Search

CN-121004089-B - Car body self-turning paint spraying and baking room

CN121004089BCN 121004089 BCN121004089 BCN 121004089BCN-121004089-B

Abstract

The invention relates to the technical field of vehicle body manufacturing, in particular to a vehicle body self-turning paint spraying and baking room which comprises a base, a tool frame and a multi-shaft driving mechanism, wherein a bearing platform is arranged on the base, and the bearing platform forms an adjustable supporting structure through a rotating lug, an inclined supporting rod and an adjusting cylinder and is used for controlling the tilting angle of the tool frame. One end of the tool frame is provided with a fixed shaft seat, the other end is provided with a multi-shaft driving mechanism. The multi-shaft driving mechanism comprises a transmission box, a shaft disc seat, a turnover working disc and a damping locking assembly, and the first driving motor and the second driving motor respectively drive the auxiliary moving shaft and the main shaft rod to realize horizontal rotation and longitudinal turnover of the workpiece. The damping locking assembly is matched with the rough surface of the bottom surface of the main shaft rod through the damping shaft disc to provide physical locking force. The invention realizes the multi-angle automatic overturning and posture locking of the vehicle body and improves the spraying consistency, safety and automation level.

Inventors

  • LIU RONGQI
  • HU YI
  • XIANG ZHONGYU

Assignees

  • 天成涂装系统(常州)有限公司

Dates

Publication Date
20260508
Application Date
20250821

Claims (6)

  1. 1. The self-turning paint spraying and baking room for the automobile body is characterized by comprising a base (100), a tool frame (200) and a multi-shaft driving mechanism (300), wherein a bearing platform (110) is arranged on the surface of the base (100), the tool frame (200) is rotatably arranged on the surface of the bearing platform (110), one end of the surface of the tool frame (200) is fixedly provided with a fixed shaft seat (210), and the multi-shaft driving mechanism (300) is fixed at the other end of the surface of the tool frame (200); The multi-shaft driving mechanism (300) comprises a transmission box (310), a shaft disc seat (320), a turnover work disc (330) and a damping locking assembly (340) arranged on the inner side of the transmission box (310), wherein the shaft disc seat (320) is rotatably arranged on the surface of the transmission box (310), the turnover work disc (330) is rotatably arranged on the surface of a bearing bracket (321), and the damping locking assembly (340) is used for contacting the bottom surface of a main shaft rod (323) to improve the rotation damping of the main shaft rod (323) and rotationally locking the main shaft rod (323); The bottom surface of the transmission box (310) is provided with a first driving motor (311) and a second driving motor (312), an auxiliary moving shaft (324) is rotatably arranged on the inner side of the transmission box (310), and two ends of the auxiliary moving shaft (324) are respectively in transmission connection with the output end of the first driving motor (311) and the surface of the shaft disc seat (320); The surface of the shaft disc seat (320) is provided with a rotatable transmission shaft (322) in a penetrating way, the top surface of the shaft disc seat (320) is fixedly provided with a bearing bracket (321) arranged opposite to the fixed shaft seat (210), the bottom surface of the shaft disc seat (320) is rotatably provided with a main shaft rod (323) positioned at the inner side of the transmission box (310), and two ends of the main shaft rod (323) are respectively meshed with the output end of the second driving motor (312) and the bottom end of the transmission shaft (322); The turnover working disc (330) and the fixed shaft seat (210) are positioned on the same axis, and tool components for positioning and fixing the vehicle body are arranged on the opposite surfaces of the turnover working disc (330) and the fixed shaft seat (210); One side fixed mounting of upset industrial disc (330) has fluted disc (331), the top of transmission shaft (322) is transmitted with the surface engagement of fluted disc (331), axle dish seat (320) and spindle shaft (323) are located same axis, and the surface direction of spindle shaft (323) axis perpendicular transmission box (310) arranges, the axis of upset industrial disc (330) is on a parallel with transmission box (310) surface, the hold-in range is cup jointed with the surface of axle dish seat (320) on auxiliary moving shaft (324) top for the transmission between auxiliary moving shaft (324) and axle dish seat (320).
  2. 2. The vehicle body self-overturning paint spraying and baking house according to claim 1, wherein one end of the bearing platform (110) is rotationally connected with a rotating lug (111) fixed on the surface of the base (100), the bottom surface of the bearing platform (110) is slidably provided with an inclined strut (112), the surface of the inclined strut (112) is movably connected with an adjusting cylinder (113), the other end of the adjusting cylinder (113) is rotationally arranged on the surface of the base (100), one end of the inclined strut (112) is slidably connected with the surface of the bearing platform (110) and the other end of the inclined strut is rotationally arranged on the surface of the base (100), a connecting rod strut (120) is movably connected between the base (100) and the bearing platform (110), and the connecting rod strut (120) is of a two-section connecting rod structure and is used for improving the deflection stability of the bearing platform (110).
  3. 3. The auto-turning paint spraying and baking room for a car body according to claim 1, wherein a turntable seat for driving the tool rack (200) to rotate is arranged on the surface of the bearing platform (110), and the turntable seat is driven by a worm driving assembly.
  4. 4. The vehicle body self-turning paint spraying and baking house according to claim 1, wherein the damping locking assembly (340) comprises a supporting rod (341), a lever (342) and a driving rod (343) fixed on the inner side of the transmission box (310), one end of the supporting rod (341) is fixed on the bottom surface of the transmission box (310), the lever (342) is rotatably mounted on the bottom surface of the supporting rod (341), one end of the lever (342) is movably connected with the output end of the driving rod (343) and the other end of the lever is movably connected with a damping shaft disc (344), and the damping shaft disc (344) is arranged perpendicular to the surface of the transmission box (310) and is arranged opposite to the bottom surface of the main shaft rod (323).
  5. 5. The paint booth for vehicle body self-turning paint spraying and baking of claim 4, wherein the top surface of the damping collar (344) is opposite to the bottom surface of the spindle (323) and the opposite surface is rough, and the damping collar (344) is movable perpendicular to the surface of the driving box (310).
  6. 6. The vehicle body self-tilting paint booth according to claim 1, further comprising a set of automatic control systems, the automatic control systems comprising: The controller module is used for receiving user input or a preset instruction; the sensor assembly is respectively arranged on the turnover work disc (330), the main shaft rod (323) and the tool frame (200) and is used for monitoring the turnover angle, the load state and the vehicle body position in real time; The driving control circuit is electrically connected with the first driving motor (311) and the second driving motor (312) and is used for precisely controlling the rotating speed and the start and stop of the motor according to the signals of the controller; The damping control unit is connected with the driving rod (343) and used for controlling the opening and closing actions of the damping shaft disc (344); And the feedback loop is used for feeding back the states of all the action units to the controller in real time to perform closed-loop control, so as to realize automatic adjustment and locking of the overturning gesture.

Description

Car body self-turning paint spraying and baking room Technical Field The invention relates to the technical field of vehicle body manufacturing, in particular to a vehicle body self-turning paint spraying and baking room. Background With the development of the automobile industry and automatic spraying technology, the requirements of the automobile body on flexible adjustment of the operation posture and technological consistency in the surface treatment processes of paint spraying, paint baking and the like are increasingly improved. In a traditional paint spraying and baking room, a vehicle body is usually positioned through a single shaft or a fixed support, the overturning capacity is limited, the angle adjustment is inconvenient, the spraying requirement of a complex curved surface or a multi-surface direction is difficult to meet, the problems of dead angle spraying or uneven film thickness and the like are easily caused, and the quality of a finished product is influenced. In order to solve the problem of partial spraying dead angles, some devices have introduced simple turnover mechanisms, but the existing turnover devices still have the following main technical defects: the overturning degree of freedom is insufficient, the angle control is inaccurate, the prior art mostly adopts a single-shaft electric overturning mechanism, the multidirectional and high-degree-of-freedom accurate posture adjustment of a vehicle body cannot be realized, the overturning angle adjustment depends on manual intervention or a limiting device, and the automatic control and the high-consistency spraying are difficult to realize. The stability of the overturning process is poor, the existing overturning structure lacks an effective gesture stabilizing and locking device, after the overturning structure overturns to a target angle, a workpiece is easy to slightly move due to inertia or impact of spraying equipment, spraying precision is affected, and particularly, for a vehicle type with an asymmetric gravity center of a vehicle body, a large gesture drifting risk exists. The control system has low intelligent degree and slow feedback response, and although partial equipment is provided with a control module, the control system mainly comprises semi-automation, lacks a high-integration sensing feedback system and closed loop adjustment capability, cannot realize intelligent adjustment of the turning rhythm and locking logic according to the state of the automobile body, and has low operation efficiency and poor process reliability. Therefore, there is a need to provide a vehicle body self-turning paint spraying and baking equipment with multi-axis linkage driving, stable posture locking and high automation degree so as to meet the operation requirements of modern spraying production lines on flexibility, high precision and high efficiency. Disclosure of Invention The invention aims to solve the technical problems of limited spraying angle, unstable overturning action, frequent manual intervention, low automation degree and the like in the existing vehicle body paint spraying and baking process, and provides a vehicle body self-overturning paint spraying and baking room which is reasonable in structure, stable in overturning, accurate in control and capable of adjusting multiple degrees of freedom. According to the technical scheme, the vehicle body overturning angle can be freely adjusted and multi-station spraying can be achieved, and the spraying consistency, safety and automation level can be remarkably improved through cooperative control of the damping locking assembly and the automatic control system. In order to achieve the above purpose, the present invention provides the following technical solutions, and has the following technical effects: The self-turning paint spraying and baking room for the automobile body comprises a base, a tool frame and a multi-shaft driving mechanism, wherein the surface of the base is provided with a bearing platform, one end of the bearing platform is rotationally connected with a rotating lug fixed on the surface of the base, the bottom surface of the bearing platform is slidably provided with an inclined strut, the surface of the inclined strut is movably connected with an adjusting cylinder, the other end of the adjusting cylinder is rotationally arranged on the surface of the base, the tool frame is rotationally arranged on the surface of the bearing platform, one end of the surface of the tool frame is fixedly provided with a fixed shaft seat, and the multi-shaft driving mechanism is fixed on the other end of the surface of the tool frame; Wherein, the base surface is equipped with the cushion cap, and cushion cap one end is rotated through changeing ear structure and base and is connected, bottom slidable mounting diagonal brace to realize being connected with the base through the governing cylinder, this structure has formed nimble adjustable braced system, through governing cy