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CN-122008030-A - Surface polishing device for automobile body machining

CN122008030ACN 122008030 ACN122008030 ACN 122008030ACN-122008030-A

Abstract

The invention relates to the technical field of surface polishing devices, in particular to a surface polishing device for automobile body processing, which comprises a mounting column, wherein the top end of the mounting column is fixedly connected with an adjusting sleeve, a sliding column is connected in a sliding manner in the adjusting sleeve, a first cavity is formed in the sliding column, the inner bottom surface of the first cavity is fixedly connected with a motor through a bracket, the output end of the motor is fixedly connected with a first rotating shaft, the first rotating shaft is connected to the upper surface of the sliding column in a penetrating and rotating manner through a bearing, and the top end of the first rotating shaft is fixedly connected with a polishing disc. According to the invention, the real-time and accurate detection of the polishing pressure can be realized through the pressure sensing assembly, and the contact pressure between the polishing disc and the workpiece to be polished can be always maintained in a preset range through the self-adaptive adjusting assembly, so that the problems of dishing of the surface of the vehicle body or incomplete burr residue caused by excessive polishing are effectively avoided.

Inventors

  • ZHOU XUE

Assignees

  • 安徽欣鼎汽车科技有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (9)

  1. 1. Surface grinding device is used in car body processing, characterized in that includes: The mounting column (1), the top fixedly connected with of mounting column (1) adjusts sleeve (11), the sliding connection has slip post (12) in adjusting sleeve (11), offer first cavity (13) in slip post (12), the interior bottom surface of first cavity (13) is through support fixedly connected with motor (14), the output fixedly connected with first pivot (15) of motor (14), first pivot (15) runs through the upper surface of rotating connection in slip post (12) through the bearing, the top fixedly connected with polishing dish (16) of first pivot (15); The self-adaptive adjusting mechanism comprises a pressure sensing assembly (2) and a self-adaptive adjusting assembly (3), wherein the pressure sensing assembly (2) detects the contact pressure of a polishing disc (16) and a workpiece to be polished in real time and transmits a signal to the self-adaptive adjusting assembly (3), and the self-adaptive adjusting assembly (3) adjusts the expansion and contraction amount of a sliding column (12) in an adjusting sleeve (11) according to the signal so as to maintain the contact pressure in a preset range; The cleaning mechanism comprises a plurality of transmission assemblies (4) and a plurality of cleaning assemblies (5), wherein the transmission assemblies (4) acquire power of a motor (14) and transmit the power to the cleaning assemblies (5), the cleaning assemblies (5) are driven to clean sundries generated by grinding, and the cleaning assemblies (5) synchronously lift along with the sliding columns (12) to realize multidirectional cleaning.
  2. 2. The surface polishing device for automobile body processing according to claim 1, wherein the pressure sensing assembly (2) comprises a first piston plate (21) which is connected in the adjusting sleeve (11) in a sealing sliding manner, a circular plate (22) is connected in the adjusting sleeve (11) in a sliding manner, a first spring (23) is fixedly connected between the circular plate (22) and the first piston plate (21), a pressure sensor (24) is fixedly arranged on the upper surface of the circular plate (22), two guide rods (25) are fixedly connected to the bottom surface of the sliding column (12), the two guide rods (25) penetrate through the bottom surfaces of the circular plate (22), a bottom plate (26) is fixedly connected to the bottom ends of the two guide rods (25), a second spring (27) is fixedly connected between the bottom ends of the two bottom plates (26) and the bottom surfaces of the circular plate (22), and the sensing ends of the pressure sensor (24) are abutted to realize the sensing detection of polishing pressure.
  3. 3. The surface polishing device for automobile body machining according to claim 1, wherein the self-adaptive adjusting component (3) comprises an adjusting pipe (31) fixedly communicated with the side wall of the adjusting sleeve (11), a second piston plate (32) is connected in the adjusting pipe (31) in a sealing sliding manner, an electric push rod (33) is fixedly connected to the side wall of the adjusting sleeve (11) through a support, the output end of the electric push rod (33) is fixedly connected with the upper surface of the second piston plate (32), and a PLC (programmable logic controller) controller (34) is fixedly arranged on the side wall of the adjusting sleeve (11).
  4. 4. The surface polishing device for automobile body machining according to claim 1, wherein the transmission assembly (4) comprises a functional column (41) fixedly connected to the side wall of the sliding column (12), a second cavity (42) and a third cavity (43) are formed in the functional column (41), a second rotating shaft (44) is rotatably connected to the inner bottom surface of the third cavity (43) through a bearing, a driving wheel (45) is fixedly connected to the circumference of the first rotating shaft (15), a driven wheel (46) is fixedly connected to the circumference of the second rotating shaft (44), and a belt (47) is sleeved between the driving wheel (45) and the driven wheel (46).
  5. 5. The surface polishing device for automobile body machining according to claim 4, wherein the cleaning assembly (5) comprises an exhaust fan blade (51) fixedly connected to the top end of a second rotating shaft (44), a plurality of collecting through grooves (52) are formed between the upper surface of the functional column (41) and a second cavity (42), and a plurality of vent holes (53) are formed between the second cavity (42) and a third cavity (43) and in the inner bottom surface of the third cavity (43).
  6. 6. The surface polishing device for automobile body machining according to claim 1, wherein two limiting sliding grooves (17) are formed in the inner wall of the adjusting sleeve (11), limiting sliding strips (18) are connected in the limiting sliding grooves (17) in a sliding mode, and the limiting sliding strips (18) are fixedly connected with the side walls of the sliding columns (12).
  7. 7. The surface polishing device for machining automobile bodies according to claim 4, wherein a plurality of strip-shaped grooves (48) are formed between the first cavity (13) and the third cavity (43), and a plurality of belts (47) penetrate through the plurality of strip-shaped grooves (48) respectively.
  8. 8. The surface polishing device for machining automobile bodies according to claim 2, wherein the two second springs (27) are respectively sleeved on the two guide rods (25), and the two guide rods (25) and the two second springs (27) are respectively positioned on two sides of the first spring (23).
  9. 9. The surface polishing device for machining an automobile body according to claim 3, wherein the sealed space where the adjusting sleeve (11) and the adjusting tube (31) are communicated is filled with hydraulic oil, the pressure sensor (24) and the electric push rod (33) are electrically connected with the PLC controller (34), and a circuit formed among the pressure sensor (24), the electric push rod (33) and the PLC controller (34) is electrically connected with an external power supply.

Description

Surface polishing device for automobile body machining Technical Field The invention relates to the technical field of surface polishing devices, in particular to a surface polishing device for automobile body machining. Background In the automobile body processing process, surface polishing is one of the key processes, directly influences the appearance quality, coating effect and subsequent assembly precision of an automobile body, and after the automobile body is subjected to processes such as stamping, welding and the like, the surface is easy to generate burrs, scratches, oxide scales and the like, the surface is required to be processed through a polishing device, the surface of the automobile body is ensured to be smooth and smooth, the process requirements of subsequent coating and assembly are met, and at present, the surface polishing device for automobile body processing is widely applied to scenes such as automobile factories, automobile part processing factories and the like. The existing surface polishing device for automobile body processing has many technical defects in practical application, the polishing device is difficult to meet the requirements of high efficiency, accuracy and stability, firstly, polishing pressure cannot be adjusted in a self-adaptive mode, a polishing disc of the traditional polishing device is fixed in position, an uneven area exists on the surface of an automobile body, contact pressure is easy to be too large or too small in the polishing process, excessive polishing and dishing of the surface of the automobile body are easily caused due to too large pressure, burrs and scratches cannot be thoroughly removed due to too small pressure, polishing quality is affected, secondly, an effective polishing sundry cleaning mechanism is lacked, sundries such as metal scraps and dust generated in the polishing process are easily attached to the surface of the automobile body and a polishing disc, polishing accuracy is affected, the surface of the automobile body is possibly scratched, meanwhile, sundries are accumulated to easily cause the polishing disc to be abraded, the service life of the equipment is shortened, thirdly, the power transmission efficiency is low, the cleaning mechanism mainly adopts an independent power source, the structure is complex, the energy consumption is high, and the cleaning mechanism cannot act synchronously, and the cleaning effect is poor. Disclosure of Invention Aiming at the defects in the prior art, the invention provides a surface polishing device for automobile body processing, which can effectively solve the problems that polishing pressure cannot be adjusted adaptively, polishing precision is low, sundries are not cleaned timely, and power transmission efficiency is low in the prior art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The invention provides a surface polishing device for automobile body processing, which comprises a mounting column, wherein the top end of the mounting column is fixedly connected with an adjusting sleeve, a sliding column is connected in a sliding manner in the adjusting sleeve, a first cavity is formed in the sliding column, the inner bottom surface of the first cavity is fixedly connected with a motor through a bracket, the output end of the motor is fixedly connected with a first rotating shaft, the first rotating shaft is connected to the upper surface of the sliding column in a penetrating and rotating manner through a bearing, and the top end of the first rotating shaft is fixedly connected with a polishing disc; The self-adaptive adjusting mechanism comprises a pressure sensing assembly and a self-adaptive adjusting assembly, wherein the pressure sensing assembly detects the contact pressure of the polishing disc and a workpiece to be polished in real time and transmits a signal to the self-adaptive adjusting assembly, and the self-adaptive adjusting assembly adjusts the expansion and contraction amount of the sliding column in the adjusting sleeve according to the signal so as to maintain the contact pressure in a preset range; The cleaning mechanism comprises a plurality of transmission assemblies and a plurality of cleaning assemblies, the transmission assemblies acquire power of the motor and transmit the power to the cleaning assemblies, the cleaning assemblies are driven to clean sundries generated by polishing, and the cleaning assemblies synchronously lift along with the sliding columns to realize multidirectional cleaning. According to the surface polishing device for automobile body processing, the pressure sensing assembly comprises the first piston plate which is connected in the adjusting sleeve in a sealing sliding manner, the adjusting sleeve is connected with the circular plate in a sliding manner, the first spring is fixedly connected between the circular plate and the first piston plate, the pressure sensor is fixedly arranged o