Burr polishing device for automobile interior trim panel

Abstract

The utility model relates to the technical field of automobile interior trim panel manufacturing, in particular to an automobile interior trim panel burr polishing device which comprises an operation table, and a transverse conveying frame and a longitudinal conveying frame which are used for enabling a polishing head to move in all directions are arranged on one side of the upper end of the operation table. Clamping assemblies used for achieving a fixing effect when the automobile interior trim panel is polished are arranged on the two sides of the upper end of the operation table, a hydraulic telescopic rod is arranged at the lower end of the longitudinal conveying frame, and a polishing assembly capable of flexibly adapting to the surface shapes of different interior trim panels is arranged at the lower end of the hydraulic telescopic rod. The upper end of the operation table is in sliding connection with a base plate used for providing stable supporting for the automobile interior trim panel. Compared with the prior art, the problem that the burr grinding effect of the automobile interior trim panel is poor due to the fact that the grinding disc cannot be adjusted according to the curved surface structure of the surface of the automobile interior trim panel is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile interior trim panel manufacturing, in particular to a device for grinding burrs of automobile interior trim panels. Background Art

[0002] As an important component of the vehicle interior, the appearance quality of automobile interior panels directly affects the comfort and aesthetics of the entire vehicle. However, during the manufacturing process of interior panels, burrs are inevitable. In order to improve product quality, burr grinding devices have come into being. This device can effectively remove burrs, smooth the edges of interior panels, and improve the texture and quality of the entire vehicle.

[0003] In the prior art, a Chinese patent document with publication number CN214025006U proposes a tool for polishing automobile interior panels. The application clamps and fixes the object to be polished by a clamping device. An exhaust fan is installed on the rear side wall of the polishing chamber. The exhaust fan sucks out the polishing dust and filters it through a filter, thereby playing a dust-proof role. The upper and lower heights of the polishing machine can be adjusted by a lifting device to improve work efficiency. The polishing machine can be moved left and right by driving the threaded block to move left and right by a first threaded rod. A plurality of universal wheels are also installed at the bottom of the polishing chamber to facilitate the movement of the polishing chamber. The invention relates to a method for grinding the burrs of automobile interior panels, which is convenient for use. However, the above patent document has certain defects in actual use. Since the shapes of automobile interior panels are different, most of them are curved and irregular. The grinding head in the application cannot be adjusted according to the curved surface structure of the automobile interior panel surface, which leads to the problem of poor grinding effect of burrs on automobile interior panels. Therefore, we disclose a burr grinding device for automobile interior panels to meet the actual demand for the problem that the grinding disc in the prior art cannot be adjusted according to the curved surface structure of the automobile interior panel surface, which leads to poor grinding effect of burrs on automobile interior panels. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to propose a burr grinding device for automobile interior panels to solve the problem that the grinding disc in the existing technology cannot be adjusted according to the curved surface structure of the automobile interior panel surface, which leads to poor burr grinding effect on the automobile interior panel.

[0005] Based on the above-mentioned purpose, the utility model provides a device for grinding the burrs of automobile interior panels, including an operating table, a horizontal conveying frame and a longitudinal conveying frame for enabling the grinding head to move in all directions are provided on one side of the upper end of the operating table, clamping components for fixing the automobile interior panels during grinding are provided on both sides of the upper end of the operating table, a hydraulic telescopic rod is provided at the lower end of the longitudinal conveying frame, and a grinding component that can flexibly adapt to the surface shapes of different interior panels is provided at the lower end of the hydraulic telescopic rod, and the upper end of the operating table is slidably connected to a pad for providing stable support for the automobile interior panels.

[0006] Preferably, a motor and a screw rod are provided inside the transverse conveying frame and the longitudinal conveying frame, and one end of the longitudinal conveying frame is threadedly connected to the screw rod on the transverse conveying frame.

[0007] Preferably, the clamping assembly includes a multi-stage electric telescopic rod, the output end of the multi-stage electric telescopic rod is fixedly connected to a clamping plate, and the side of the multi-stage electric telescopic rod away from the clamping plate is fixedly connected to the operating table.

[0008] Preferably, the grinding assembly includes a servo motor fixedly connected to the output end of the hydraulic telescopic rod, the output end of the servo motor is fixedly connected to a universal joint, the lower end of the universal joint is connected to a grinding disc through a fixed rod, and the outside of the grinding disc is engaged and rotated to connect a limited position frame.

[0009] Preferably, the lower end of the servo motor is clamped with a fixed disk, and the outside of the fixed disk is rotatably connected to a plurality of rotating seats at even intervals, the lower end of the rotating seat is fixedly connected to a reset spring, the lower end of the reset spring is fixedly connected to a rotating rod, one end of the rotating rod is fixedly connected to the limit frame, and the end of the rotating rod away from the limit frame is rotatably connected to a roller.

[0010] Preferably, the upper end of the hydraulic telescopic rod is fixedly connected to the transmission block outside the screw rod on the longitudinal conveyor frame, and a connecting rod is fixedly connected to one end surface of the longitudinal conveyor frame, and the lower end of the connecting rod is fixedly connected to the pad.

[0011] The beneficial effects of the present invention are as follows: when the automobile interior panel burr grinding device is in use, the lower end of the hydraulic telescopic rod can flexibly adapt to the grinding components of different interior panel surface shapes; when grinding, when the grinding disc encounters a curved surface structure different from the previous section, the grinding disc can adjust itself to adapt to its curved surface structure; through this structural design, the burr grinding effect of the device on automobile interior panels is greatly improved; in addition, a pad is provided at the upper end of the operating table, and the automobile interior panel is supported by the provided pad, thereby reducing the possibility of tearing and damage to the automobile interior panel caused by excessive pressure on the grinding disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a top view;

[0014] Figure 2This is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;

[0015] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the utility model;

[0016] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0017] The following are marked in the figure:

[0018] 1. Operating table; 2. Multi-stage electric telescopic rod; 3. Longitudinal conveyor frame; 4. Hydraulic telescopic rod; 5. Horizontal conveyor frame; 6. Pad; 7. Clamp; 8. Connecting rod; 9. Servo motor; 10. Fixed plate; 11. Rotating rod; 12. Limit frame; 13. Grinding disc; 14. Universal joint; 15. Return spring; 16. Rotating seat; 17. Roller. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0020] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the usual meanings understood by people with ordinary skills in the field to which this utility model belongs. The "first", "second" and similar words used in this utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0021] like Figures 1 to 4As shown, a device for grinding the burrs of automobile interior panels comprises an operating table 1. A transverse conveying frame 5 and a longitudinal conveying frame 3 are provided on one side of the upper end of the operating table 1 for enabling the grinding head to move in all directions. Clamping components for fixing the automobile interior panels during grinding are provided on both sides of the upper end of the operating table 1. A hydraulic telescopic rod 4 is provided at the lower end of the longitudinal conveying frame 3. A grinding component that can flexibly adapt to the surface shapes of different interior panels is provided at the lower end of the hydraulic telescopic rod 4. A pad 6 for providing stable support for the automobile interior panels is slidably connected to the upper end of the operating table 1. When the interior panel burr grinding device is in use, the lower end of the hydraulic telescopic rod 4 can flexibly adapt to the grinding components of different interior panel surface shapes. During grinding, when the grinding disc 13 encounters a curved surface structure different from the previous section, the grinding disc 13 can adjust itself to adapt to its curved surface structure. Through this structural design, the burr grinding effect of the device on the automobile interior panel is greatly improved. In addition, a pad 6 is provided at the upper end of the operating table 1. The automobile interior panel is supported by the provided pad 6, thereby reducing the possibility of tearing and damage to the automobile interior panel caused by excessive pressure on the grinding disc 13.

[0022] Further, such as Figure 1 As shown, the interiors of the transverse conveyor frame 5 and the longitudinal conveyor frame 3 are both provided with motors and screws, which are prior art and are not particularly limited here. One end of the longitudinal conveyor frame 3 is threadedly connected to the screw on the transverse conveyor frame 5, and the clamping assembly includes a multi-stage electric telescopic rod 2, and the output end of the multi-stage electric telescopic rod 2 is fixedly connected to a splint 7. The side of the multi-stage electric telescopic rod 2 away from the splint 7 is fixedly connected to the operating table 1. Before grinding, the car interior panel is clamped by the splint 7 to improve the grinding stability of the car interior panel. The grinding assembly can be moved to any position on the upper end of the car interior panel through the transverse conveyor frame 5 and the longitudinal conveyor frame 3. The grinding assembly drives the screw to rotate through the motor inside the conveyor frame to move the transmission block and thus complete the movement.

[0023] Further, such as Figures 2 to 4As shown, the grinding assembly includes a servo motor 9 fixedly connected to the output end of the hydraulic telescopic rod 4, the output end of the servo motor 9 is fixedly connected to a universal joint 14, the lower end of the universal joint 14 is connected to a grinding disc 13 through a fixed rod, the outer part of the grinding disc 13 is engaged and rotatably connected to a limited position frame 12, the lower end of the servo motor 9 is engaged with a fixed disc 10, the outer part of the fixed disc 10 is evenly spaced and rotatably connected to a plurality of rotating seats 16, the lower end of the rotating seat 16 is fixedly connected to a reset spring 15, the lower end of the reset spring 15 is fixedly connected to a rotating rod 11, and the rotating rod 11 is fixedly connected to the output end of the hydraulic telescopic rod 4. One end is fixedly connected to the limit frame 12, and the end of the rotating rod 11 away from the limit frame 12 is rotatably connected to the roller 17. The upper end of the hydraulic telescopic rod 4 is fixedly connected to the transmission block outside the screw rod on the longitudinal conveyor 3, and one side end face of the longitudinal conveyor 3 is fixedly connected to the connecting rod 8. The lower end of the connecting rod 8 is fixedly connected to the pad 6. When the grinding assembly moves to the upper end of the specified position of the automobile interior panel, the servo motor 9 is driven downward by the hydraulic telescopic rod 4 to make the grinding disc 13 contact with the automobile interior panel, and the servo motor 9 is started. The servo motor 9 drives the grinding disc 13 to contact the automobile interior panel through the universal joint 14. The grinding disc 13 rotates to complete the grinding of the burrs of the car interior panel. The outer portion of the grinding disc 13 is engaged and rotatably connected to the limit frame 12. The outer portion of the limit frame 12 is fixedly connected to a plurality of rotating rods 11. When the horizontal conveyor frame 5 and the longitudinal conveyor frame 3 drive the grinding disc 13 to move according to the set route, the rotating rod 11 detects the surface of the car interior panel at its front end. When the shape of the front end interior panel changes, the rotating rod 11 is driven to rotate by the reset of the upper end of the rotating rod 11. The rotation of the rotating rod 11 drives the limit frame 12 and the grinding disc 13 to rotate. , so that the grinding disc 13 utilizes the action of the universal joint 14 to rotate to an angle suitable for grinding the burrs on the curved surface of the interior trim panel, thereby improving the burr grinding effect of the device on the automobile interior trim panel. A pad 6 is provided at the upper end of the operating table 1, and the pad 6 is connected to the longitudinal conveying frame 3 through a connecting rod 8. When the longitudinal conveying frame 3 moves, the pad 6 can be synchronously driven to move, so that the pad 6 is always located at the lower end of the grinding disc 13 to support the automobile interior trim panel, reducing the possibility of tearing and damage to the automobile interior trim panel caused by excessive pressure on the grinding disc 13.

[0024] Working principle: Before grinding, the car interior panel is clamped by the splint 7 to improve the grinding stability of the car interior panel. The grinding assembly can be moved to any position on the upper end of the car interior panel through the horizontal conveyor 5 and the longitudinal conveyor 3. The grinding assembly drives the screw to rotate through the motor inside the conveyor to move the transmission block and complete the movement. After the grinding assembly moves to the upper end of the specified position of the car interior panel, the servo motor 9 is driven downward by the hydraulic telescopic rod 4 to make the grinding disc 13 contact with the car interior panel, and the servo motor 9 is started. The servo motor 9 drives the grinding disc 13 to rotate through the universal joint 14 to complete the grinding of the burrs of the car interior panel. The outside of the grinding disc 13 is engaged and rotatably connected to the limit frame 12. The outside of the limit frame 12 is fixedly connected with multiple rotating rods 11. When the horizontal conveyor 5 and the longitudinal conveyor 3 are set according to the When the route drives the grinding disc 13 to move, the rotating rod 11 detects the surface of the automobile interior panel at its front end. When the shape of the front interior panel changes, the rotating rod 11 is driven to rotate by the reset of the upper end of the rotating rod 11. The rotation of the rotating rod 11 drives the limit frame 12 and the grinding disc 13 to rotate, so that the grinding disc 13 is rotated to an angle suitable for grinding the burrs of the curved surface of the interior panel by the action of the universal joint 14, thereby improving the burr grinding effect of the device on the automobile interior panel. A pad 6 is provided at the upper end of the operating table 1, and the pad 6 is connected to the longitudinal conveying frame 3 by a connecting rod 8. When the longitudinal conveying frame 3 moves, it can synchronously drive the pad 6 to move, so that the pad 6 is always located at the lower end of the grinding disc 13 to support the automobile interior panel, thereby reducing the possibility of tearing and damage to the automobile interior panel caused by excessive pressure on the grinding disc 13.

[0025] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0026] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A device for grinding burrs of automobile interior panels, comprising an operating table (1), wherein a transverse conveying frame (5) and a longitudinal conveying frame (3) for enabling a grinding head to move in all directions are provided on one side of the upper end of the operating table (1), and clamping components for fixing the automobile interior panels during grinding are provided on both sides of the upper end of the operating table (1), characterized in that: The lower end of the longitudinal conveying frame (3) is provided with a hydraulic telescopic rod (4), and the lower end of the hydraulic telescopic rod (4) is provided with a polishing assembly that can flexibly adapt to the surface shapes of different interior panels. The upper end of the operating table (1) is slidably connected to a pad (6) for providing stable support for the automobile interior panel.

2. The device for polishing burrs of an automobile interior panel according to claim 1, characterized in that: A motor and a screw rod are provided inside the transverse conveying frame (5) and the longitudinal conveying frame (3), and one end of the longitudinal conveying frame (3) is threadedly connected to the screw rod on the transverse conveying frame (5).

3. The device for polishing burrs of an automobile interior panel according to claim 1, characterized in that: The clamping assembly comprises a multi-stage electric telescopic rod (2), the output end of the multi-stage electric telescopic rod (2) is fixedly connected to a clamping plate (7), and the side of the multi-stage electric telescopic rod (2) away from the clamping plate (7) is fixedly connected to the operating table (1).

4. The device for polishing burrs of an automobile interior panel according to claim 1, characterized in that: The grinding assembly comprises a servo motor (9) fixedly connected to the output end of the hydraulic telescopic rod (4); the output end of the servo motor (9) is fixedly connected to a universal joint (14); the lower end of the universal joint (14) is connected to a grinding disc (13) via a fixed rod; the outer portion of the grinding disc (13) is engaged and rotatably connected to a limit frame (12).

5. The device for polishing burrs of automobile interior panels according to claim 4, characterized in that: The lower end of the servo motor (9) is clamped with a fixed disk (10), and the outside of the fixed disk (10) is evenly spaced and rotatably connected to a plurality of rotating seats (16), the lower end of the rotating seat (16) is fixedly connected to a return spring (15), and the lower end of the return spring (15) is fixedly connected to a rotating rod (11), one end of the rotating rod (11) is fixedly connected to the limit frame (12), and the end of the rotating rod (11) away from the limit frame (12) is rotatably connected to a roller (17).

6. The device for polishing burrs of an automobile interior panel according to claim 4, characterized in that: The upper end of the hydraulic telescopic rod (4) is fixedly connected to the transmission block outside the screw rod of the longitudinal conveying frame (3), and a connecting rod (8) is fixedly connected to one end surface of the longitudinal conveying frame (3), and the lower end of the connecting rod (8) is fixedly connected to the pad (6).

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