CN112440207B

CN112440207B - Four-axis linkage trimming and polishing workbench

Info

Publication number: CN112440207B
Application number: CN202011271518.0A
Authority: CN
Inventors: 周能; 李健军
Original assignee: Shanghai Real Industrial Co Ltd
Current assignee: Shanghai Real Industrial Co Ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2022-06-14
Anticipated expiration: 2040-11-13
Also published as: CN112440207A

Abstract

The invention relates to a four-axis linkage trimming and polishing workbench which comprises a turnover mechanism, a swing mechanism and a rotary base, wherein the turnover mechanism is arranged on the swing mechanism; the lower end of the main shaft is rotatably arranged on the bottom plate, the upper end of the main shaft is fixed with the base plate, and the bottom of the base plate is provided with a universal wheel and is supported on the bottom plate; the upright post is fixed on the base plate, the middle part of the X-direction swinging beam is rotatably connected with the top end of the upright post, two sides of the upright post are respectively connected with the X-direction swinging beam through self-locking gas springs, the Y-direction swinging beam is rotatably connected with the X-direction swinging beam, and the Y-direction swinging beam is connected with the upright post through the self-locking gas springs to control the Y-direction swinging beam to lift and swing along the X-direction swinging beam; the profiling support frame is fixed on the turnover shaft, the product fixing piece is installed on the profiling support frame, and the turnover shaft is connected to the Y-direction swinging beam in a 180-degree turnover mode through the turnover connecting structure. The invention can realize flexible adjustment of the loaded product and can carry out trimming and polishing operations in a free state, thereby avoiding product defects such as scratch, collision and the like caused by bare-handed contact and product trimming.

Description

Four-axis linkage trimming and polishing workbench

Technical Field

The invention belongs to the technical field of workpiece trimming and polishing treatment, and particularly relates to a four-axis linkage trimming and polishing workbench.

Background

For more than 30 years, the use of plastics in automobiles has increased. At present, the usage amount of the automobile plastic in industrially developed countries accounts for 8% -10% of the total consumption amount of the plastic. In view of the materials used in modern automobiles, shadows made of plastic can be seen everywhere, whether they are exterior trim, interior trim, or functional and structural parts.

Typical applications of plastic exterior trim parts in passenger vehicles include bumpers, radiator grilles, fenders, lamp housings, rearview mirror housings, sun roof systems, door handles, body trim panels, engine covers, trunk lids, tailgate and hard tops, among others. Plastic materials used include polypropylene, polyethylene, polyurethane, nylon, ABS, polycarbonate and fiber reinforced composites.

Modern automobile exterior trimming parts are generally molded by adopting an injection molding process and then are subjected to painting or electroplating treatment, and the quality of painted and electroplated products greatly depends on the quality of injection molding parts. Middle and small products are injected, and operations such as material head shearing, polishing, trimming and the like can be carried out on a common workbench; for large products, such as radiator grilles, front guards, rear guards, spoilers and the like, the bare-handed operation is very difficult, and the products are also easily scratched and collided on a common workbench.

Disclosure of Invention

The invention aims to solve the technical problem of providing a four-axis linkage trimming and polishing workbench, which can flexibly adjust a loaded product, can perform trimming and polishing operations in a free state, and avoids product defects such as scratch and collision caused by bare-handed contact and product trimming.

The technical scheme adopted by the invention for solving the technical problem is to provide a four-axis linkage trimming and polishing workbench which comprises a turnover mechanism, a swing mechanism and a rotating base;

the rotary base comprises a base plate, a main shaft, a bottom plate and universal wheels, the lower end of the main shaft is rotatably arranged on the bottom plate, the upper end of the main shaft is fixed with the base plate, and a plurality of universal wheels are arranged at the bottom of the base plate and supported on the bottom plate;

the swinging mechanism comprises an upright post, an X-direction swinging beam, a Y-direction swinging beam and a self-locking gas spring, the upright post is fixed on the base plate, the middle part of the X-direction swinging beam is rotatably connected with the top end of the upright post, two sides of the upright post are respectively connected with two ends of the X-direction swinging beam through the self-locking gas spring and control the X-direction swinging beam to lift and swing along the top end of the upright post through the self-locking gas spring at two sides, the Y-direction swinging beam is rotatably connected with the X-direction swinging beam, and the Y-direction swinging beam is connected with the upright post through the self-locking gas spring to control the Y-direction swinging beam to lift and swing around the X-direction swinging beam;

the turnover mechanism comprises a turnover shaft, a profiling support frame and a product fixing piece, wherein the profiling support frame is fixed on the turnover shaft, the product fixing piece is installed on the profiling support frame, and the turnover shaft is connected to the Y-direction swinging beam in a turnover manner by 180 degrees through a turnover connecting structure.

And the bottom plate is provided with a flange type ball bearing, and the lower end of the main shaft is connected with the flange type ball bearing.

The X is to the walking beam and is the style of calligraphy, Y is to the walking beam and is the right angle C type, the both ends of Y to the walking beam and the both ends rotatable coupling of X to the walking beam.

And bearing seats are respectively installed on the opposite sides of the two ends of the Y-direction swinging beam, external thread type bearings are installed on the bearing seats, end covers are installed on the end parts of the X-direction swinging beam, and the external thread type bearings are connected with the end covers.

The top end of the upright post is relatively provided with a high-position bearing seat, the high-position bearing seat is provided with an external thread type bearing, and the middle part of the X-direction swinging beam is connected with the external thread type bearings at two sides.

And the self-locking gas spring is respectively connected with the upright post, the X-direction swinging beam and the Y-direction swinging beam through a hinge structure.

The upright posts are welded and fixed on the base plate.

The product fixing piece is a vacuum chuck.

The overturning connecting structure comprises connecting lugs with holes, which are respectively connected to the Y-direction swinging beam and the overturning shaft, and the connecting lugs are connected through a rotating shaft.

And cushion pads for supporting the turnover shaft are respectively arranged on two sides of the turnover shaft.

Advantageous effects

The four-axis linkage structure can realize flexible adjustment of a loaded product, the product is positioned at a back trimming station when the turnover mechanism is positioned at 0 degree, and the product is positioned at a front polishing station when the turnover mechanism is positioned at 180 degree.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural diagram of the turnover mechanism in the 0 ° position.

Fig. 3 is a schematic structural view of the turnover mechanism in a 180 ° position.

Fig. 4 is a schematic structural diagram of the swing mechanism.

Fig. 5 is an exploded view of the connection structure between the X-direction rocker beam and the Y-direction rocker beam.

Fig. 6 is an exploded view of the connection structure between the X-direction rocker beam and the upright.

Fig. 7 is a schematic structural view of the rotating base.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The four-axis linkage trimming and grinding workbench shown in fig. 1 comprises a turnover mechanism, a swing mechanism and a rotating base.

As shown in fig. 7, the rotating base includes a circular base plate 1, a spindle 2, a square base plate 3, and a universal wheel 4. The central position is installed with flange type ball bearing 5 on bottom plate 3, and the lower extreme and the flange type ball bearing 5 of main shaft 2 are connected, and the upper end and the base plate 1 bottom center of main shaft 2 are fixed. The universal wheels 4 are uniformly installed at intervals along the circumferential direction at the bottom of the base plate 1, and the universal wheels 4 are supported on the bottom plate 3.

As shown in fig. 4, the swing mechanism includes a column 6, an X-direction swing beam 7, a Y-direction swing beam 8, and a self-locking gas spring 9. The upright post 6 is made of aluminum section and is welded and fixed at the center of the top of the base plate 1. The middle part of the X-direction swinging beam 7 is rotatably connected with the top end of the upright post 6. As shown in FIG. 6, a high bearing pedestal 13 is installed at the top end of the column 6, an external thread type bearing 11 is installed on the high bearing pedestal 13, and the middle part of the X-direction swinging beam 7 is connected with the external thread type bearings 11 at both sides. The two sides of the upright post 6 are respectively connected with the X-direction swinging beam 7 through the symmetrically arranged self-locking gas springs 9, and the lifting and swinging of the two ends of the X-direction swinging beam 7 along the top end of the upright post 6 can be controlled through the self-locking gas springs 9 on the two sides.

The Y-direction swinging beam 8 is rotatably connected with the X-direction swinging beam 7. The X-direction swinging beam 7 is made of a straight aluminum profile, and the Y-direction swinging beam 8 is in a right-angle C shape and is also made of an aluminum profile. Two ends of the Y-direction swinging beam 8 are rotatably connected with two ends of the X-direction swinging beam 7. As shown in fig. 5, bearing blocks 10 are respectively installed on opposite sides of both ends of the Y-direction rocker beam 8, male screw type bearings 11 are installed on the bearing blocks 10, end caps 12 are installed on the ends of the X-direction rocker beam 7, and the male screw type bearings 11 are connected to the end caps 12. The Y-direction swinging beam 8 is connected with the upright post 6 through a self-locking gas spring 9, and the self-locking gas spring 9 can control the Y-direction swinging beam 8 to lift and swing along the X-direction swinging beam 7. The self-locking gas spring 9 is respectively connected with the upright post 6, the X-direction swinging beam 7 and the Y-direction swinging beam 8 through a hinge structure.

As shown in fig. 2 and 3, the flipping mechanism comprises a flipping shaft 14, a profile support frame 15 and a vacuum chuck 16. The profiling support frame 15 is fixed on the turning

shaft

14, and 6 vacuum suction cups 16 are arranged on the profiling support frame 15 and used for fixing products. The tilting shaft 14 is connected to the Y-swing beam 8 by a tilting connection 18 so as to be able to tilt through 180 °. The overturning connecting structure 18 comprises connecting lugs with holes respectively connected with the Y-direction swinging beam 8 and the overturning shaft 14, and the connecting lugs are connected through a rotating shaft. Cushion pads 17 for supporting the turning shaft 14 are respectively provided at both sides of the turning shaft 14.

When the turnover mechanism is in a state (0 degree position) as shown in fig. 2, the product is at the back side trimming station; when the turning mechanism is in the condition shown in fig. 3 (180 deg. position), the product is in the front side grinding station. The four-axis linkage structure of the trimming and polishing workbench can flexibly adjust products, facilitates trimming and polishing operations on the products, and is particularly suitable for large plastic products such as automobile radiator grids, front guards, rear guards and spoilers.

Claims

1. The utility model provides a four-axis linkage deburring workstation of polishing, includes tilting mechanism, swing mechanism and rotating base, its characterized in that: the rotating base comprises a base plate (1), a main shaft (2), a bottom plate (3) and universal wheels (4), the lower end of the main shaft (2) is rotatably arranged on the bottom plate (3), the upper end of the main shaft is fixed with the base plate (1), a plurality of universal wheels (4) are arranged at the bottom of the base plate (1), and the universal wheels (4) are supported on the bottom plate (3);

the swinging mechanism comprises an upright post (6), an X-direction swinging beam (7), a Y-direction swinging beam (8) and a self-locking gas spring (9), the upright post (6) is fixed on the substrate (1), the middle part of the X-direction swinging beam (7) is rotatably connected with the top end of the upright post (6), two sides of the upright post (6) are respectively connected with two ends of the X-direction swinging beam (7) through the self-locking gas spring (9) and control the X-direction swinging beam (7) to lift and swing along the top end of the upright post (6) through the self-locking gas springs (9) at two sides, the Y-direction swinging beam (8) is rotatably connected with the X-direction swinging beam (7), and the Y-direction swinging beam (8) is connected with the upright post (6) through the self-locking gas spring (9) to control the Y-direction swinging beam (8) to lift and swing around the X-direction swinging beam (7);

the turnover mechanism comprises a turnover shaft (14), a profiling support frame (15) and a product fixing piece, wherein the profiling support frame (15) is fixed on the turnover shaft (14), the product fixing piece is installed on the profiling support frame (15), and the turnover shaft (14) is connected to the Y-direction swinging beam (8) in a turnover mode through a turnover connecting structure (18) in a 180-degree turnover mode.

2. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: and a flange type ball bearing (5) is installed on the bottom plate (3), and the lower end of the main shaft (2) is connected with the flange type ball bearing (5).

3. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: the X is a straight line shape to the swinging beam (7), the Y is a right angle C shape to the swinging beam (8), and the two ends of the Y are rotatably connected with the two ends of the X to the swinging beam (7).

4. The four-axis linkage trimming and grinding workbench according to claim 3, characterized in that: bearing blocks (10) are respectively installed on the opposite sides of the two ends of the Y-direction swinging beam (8), an external thread type bearing (11) is installed on each bearing block (10), an end cover (12) is installed at the end part of the X-direction swinging beam (7), and the external thread type bearing (11) is connected with the end cover (12).

5. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: the top end of the upright post (6) is relatively provided with a high-position bearing seat (13), the high-position bearing seat (13) is provided with an external thread type bearing (11), and the middle part of the X-direction swinging beam (7) is connected with the external thread type bearings (11) on the two sides.

6. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: and the self-locking gas spring (9) is respectively connected with the upright post (6), the X-direction swinging beam (7) and the Y-direction swinging beam (8) through a hinge structure.

7. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: the upright posts (6) are welded and fixed on the base plate (1).

8. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: the product securing member is a vacuum chuck (16).

9. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: the overturning connecting structure (18) comprises connecting lugs with holes, which are respectively connected to the Y-direction swinging beam (8) and the overturning shaft (14), and the connecting lugs are connected through a rotating shaft.

10. The four-axis linkage trimming and grinding workbench according to claim 1, characterized in that: cushion pads (17) for supporting the overturning shaft (14) are respectively arranged on two sides of the overturning shaft (14).