Search

CN-121589612-B - Multi-station automatic milling equipment for automobile bright decorative strip

CN121589612BCN 121589612 BCN121589612 BCN 121589612BCN-121589612-B

Abstract

The invention discloses multi-station automatic milling equipment for automobile bright decorative strips, relates to the technical field of automobile part machining, and aims to solve the technical problem that a milling cutter head is difficult to penetrate into a machining part to mill the automobile rubber bright decorative strips when the traditional milling equipment is used for machining the automobile rubber bright decorative strips. According to the invention, through the design of the clamping assembly and the bending assembly, the middle part of the automobile bright decorative strip is fixed by the clamping assembly, and the bending plate drives the two ends of the bright decorative strip to bend downwards, so that the whole part of the bright decorative strip is in an inverted U-shaped bending state at the clamping assembly, the part to be processed at the bending part of the bright decorative strip is exposed, sufficient operation space is provided for the cutter of the milling assembly to extend in, the processing blind area caused by the shielding of the part to be processed is eliminated, the secondary clamping adjustment is not needed, and the positioning error caused by repeated clamping is avoided fundamentally. According to the invention, through the design of the clamping assembly and the bending assembly and the inverted U-shaped bending mode, the technical limitation that the part to be processed is difficult to expose in the traditional processing is broken through.

Inventors

  • FENG HUISHENG
  • SHI TONGRONG
  • Mao Gaochao

Assignees

  • 宁波知一汽车零部件有限公司

Dates

Publication Date
20260512
Application Date
20260130

Claims (8)

  1. 1. The multi-station automatic milling equipment for the automobile bright decorative strip is characterized by comprising a clamping component (1), a bending component (2) and a milling component (3) which are arranged on a working platform; The clamping assembly (1) comprises a clamping column (101) and a pressing structure (102), wherein the clamping column (101) and the pressing structure (102) are used for fixing the middle part of the automobile bright decorative strip in a matched mode, and follow-up bending work is facilitated; the bending assembly (2) comprises a bending plate (201), the bending plate (201) is used for bending the automobile bright decorative strip, a to-be-processed part of the bending part of the automobile bright decorative strip is exposed, and a cutter of the milling assembly (3) can extend into the to-be-processed part; when two groups of bending plates (201) symmetrically arranged on two sides of the automobile bright decorative strip are in a bending state, two ends of the automobile bright decorative strip are downward and integrally in an inverted U-shaped bending state at the clamping assembly (1); The pressing structure (102) comprises a pressing frame (1021), a pressing plate (1022), a turnover driving unit (1023), a connecting pipe (1024) and a vacuum pump (1025); The two groups of pressing plates (1022) are respectively and movably connected to two sides of the pressing frame (1021), the plurality of overturning driving units (1023) are all installed in the pressing frame (1021), the plurality of overturning driving units (1023) are in driving connection with the two groups of pressing plates (1022), the two groups of connecting pipes (1024) are respectively connected to the two groups of pressing plates (1022), the vacuum pump (1025) is communicated with the two groups of connecting pipes (1024), and the vacuum pump (1025) is installed on the pressing frame (1021); When a plurality of upset drive units (1023) drive two sets of clamp plates (1022) upset, two sets of clamp plates (1022) are V type inclined state, clamp plates (1022) adsorb unsettled buckle piece that leaves behind the bright trim milling part bottom of car through connecting pipe (1024) and vacuum pump (1025), make buckle piece upwards crooked and bright plaque form L type contained angle.
  2. 2. The multi-station automatic milling equipment for the automobile bright trim according to claim 1, wherein the bending plate (201) is made of an electrically heated memory alloy, the bending plate (201) is in a bending state to form a bending workpiece when the bending plate (201) is in a heating state, and the bending plate (201) is in a flat state when the bending plate (201) is in a cooling state.
  3. 3. The multi-station automatic milling equipment for the automobile bright decorative strip according to claim 2, wherein the phase transition temperature of the electrically heated memory alloy is 50-70 ℃, the electrically heated memory alloy reduces the rubber hardness and modulus through the phase transition temperature, and bending external force is reduced, so that the automobile bright decorative strip is bent.
  4. 4. A multi-station automatic milling device for automobile bright trim according to claim 3, wherein the bending assembly (2) further comprises a mounting frame (202), a soft connecting piece (203), a temperature control unit (204) and a heat exchange soft belt (205); One end of the bending plate (201) is installed on the installation frame (202), one end of the soft connecting piece (203) is connected on the installation frame (202), the other end of the soft connecting piece (203) is connected with the other end of the bending plate (201), the temperature control unit (204) is installed in the installation frame (202), the heat exchange soft belt (205) is coiled on the bending plate (201), and the heat exchange soft belt (205) is connected with the temperature control unit (204).
  5. 5. The multi-station automatic milling equipment for the automobile bright trim according to claim 4, wherein the bending assembly (2) further comprises an adsorption structure (206), and the adsorption structure (206) comprises a mounting block (2061), an adsorption tube (2062) and a micro vacuum pump (2063); A plurality of installation piece (2061) equidistance is installed on bent plate (201), a plurality of absorption heads (2064) of absorption pipe (2062) are connected respectively on a plurality of installation piece (2061), bent plate (201) divide into a plurality of parallel arrangement's branch boards, and a plurality of absorption heads (2064) are located the gap department of a plurality of branch boards respectively, miniature vacuum pump (2063) and absorption pipe (2062) intercommunication, and miniature vacuum pump (2063) are installed on installing frame (202), a plurality of absorption heads (2064) are used for adsorbing the bright plaque of car to along with the bending of bent plate (201) together crooked.
  6. 6. The multi-station automatic milling equipment for the automobile bright decorative strip according to claim 5, wherein an inner concave spherical groove is formed in the front end of the adsorption head (2064), a spiral protrusion (2065) is formed in the inner wall of the spherical groove, the spiral protrusion (2065) is used for enabling air flow to form a central converging type negative pressure field to increase adsorption force when the adsorption head (2064) inhales, a plurality of inclined protruding blocks (2066) are annularly arranged at the front end of the adsorption head (2064) at equal intervals, and the inclined protruding blocks (2066) are used for increasing resistance between the adsorption head (2064) and the automobile bright decorative strip, so that the adsorption head (2064) can better guide bending of the automobile bright decorative strip.
  7. 7. The multi-station automatic milling equipment for the automobile bright trim according to claim 6, wherein two groups of milling assemblies (3) are symmetrically arranged outside the working platform, and the milling assemblies (3) comprise a first linear driving unit (301), a second linear driving unit (302) and a milling unit (303); the second linear driving unit (302) is arranged at the output end of the first linear driving unit (301), and the milling unit (303) is arranged at the output end of the second linear driving unit (302).
  8. 8. The multi-station automatic milling equipment for the automobile bright decorative strip according to claim 1, wherein two groups of lifting brackets (4) are further arranged on two sides of the working platform, and when the bending plate (201) is bent, the lifting brackets (4) descend from a horizontal plane to leave a bending space for bending the automobile bright decorative strip.

Description

Multi-station automatic milling equipment for automobile bright decorative strip Technical Field The invention relates to the technical field of automobile part machining, in particular to multi-station automatic milling equipment for automobile bright decorative strips. Background The automobile bright decorative strip is an important decorative and functional part of an automobile body, is widely applied to the positions of a door frame, a window edge, a grille decorative frame, a trunk decorative strip and the like, can improve the aesthetic degree and layering sense of the appearance of the automobile, and can also play a certain protective role on the edge of a sheet metal of the automobile body. The automobile bright decorative strip is generally in an elongated strip shape and has complex structures such as profile milling surfaces, chamfers, grooves and the like, and has high requirements on the dimensional accuracy, the surface finish and the processing efficiency of milling processing. With the rapid development of the automobile industry, the requirements of consumers on the refinement degree of the automobile appearance are continuously improved, and meanwhile, the standards of the automobile main machine factory on the production beat, the cost control and the quality consistency of parts are increasingly strict, so that higher requirements are put forward on milling equipment of the automobile bright decorative strip. The existing automobile bright decorative strip is often provided with a glue groove on the back, glue can be injected into the glue groove to firmly install the automobile bright decorative strip on the automobile body, but due to the fact that the conventional glue groove is often connected only through glue and friction force, the automobile bright decorative strip is easy to fall off along with the influence of time or environment, and the situation is more common on the rubber bright decorative strip, and therefore, an invagination buckling block with a physical buckling effect is milled on the back of the automobile rubber bright decorative strip, and the integral firmness of the automobile bright decorative strip can be greatly enhanced. However, the existing milling equipment is often vertical milling, the milling tool bit moves in the horizontal or vertical direction, and the processing part is positioned in the groove because the clamping blocks are sunken in the groove, so that the milling tool bit is difficult to penetrate into the processing part to perform milling. In view of the above, we propose a multi-station automatic milling device for automobile bright trim. Disclosure of Invention The invention aims to overcome the defects of the prior art, adapt to the actual needs, and provide multi-station automatic milling equipment for automobile bright decorative strips, so as to solve the technical problem that a milling cutter head is difficult to penetrate into a processing part to mill the automobile rubber bright decorative strips when the traditional milling equipment is used for processing the automobile rubber bright decorative strips. In order to solve the technical problems, the invention provides the technical scheme that the multi-station automatic milling equipment for the automobile bright trim comprises a clamping assembly, a bending assembly and a milling assembly which are arranged on a working platform; The clamping assembly comprises a clamping column and a pressing structure, and the clamping column and the pressing structure are used for fixing the middle part of the automobile bright decorative strip in a matched mode, so that follow-up bending work is facilitated; The bending assembly comprises a bending plate, wherein the bending plate is used for bending the automobile bright decorative strip, so that a part to be processed at the bending position of the automobile bright decorative strip is exposed, and a cutter of the milling assembly can extend into the part to be processed; when two groups of bending plates symmetrically arranged on two sides of the automobile bright decorative strip are in a bending state, two ends of the automobile bright decorative strip are downward and integrally in an inverted U-shaped bending state at the clamping assembly. Preferably, the pressing structure comprises a pressing frame, a pressing plate, a turnover driving unit, a connecting pipe and a vacuum pump; Two sets of fly leaf respectively swing joint is in the both sides of compressing tightly the frame, and a plurality of upset drive unit is all installed in compressing tightly the frame, and a plurality of upset drive unit and two sets of fly leaf drive are connected, two sets of the connecting pipe is connected respectively on two sets of fly leaf, and vacuum pump and two sets of connecting pipe intercommunication, the vacuum pump is installed on compressing tightly the frame. Preferably, when a plurality of upset drive unit drive two sets of pressure pla