Automobile plastic lamp shell curved surface positioning and grinding device

Abstract

The utility model discloses an automobile plastic lamp shell curved surface positioning and polishing device which comprises a first bearing plate and a bottom plate, the first bearing plate is fixedly connected to the bottom plate, a transmission assembly is arranged in the first bearing plate, a clamping assembly is arranged at one end of the transmission assembly, and a heightening plate is fixedly connected to the upper end of the bottom plate. A second bearing plate is fixedly connected to the upper end of the heightening plate, an arc-shaped adjusting assembly is arranged in the second bearing plate and the heightening plate, a grinding assembly is arranged at one end of the arc-shaped adjusting assembly, and through cooperation of the accurate transmission assembly and the arc-shaped adjusting assembly, different curved surfaces of a machined part can be accurately ground, so that high-precision grinding can be achieved; two parallel plates are used for fixing in the clamping process of the clamping assembly, the stability of a lamp shell in the polishing process is guaranteed through the positioning mode, the device can adapt to lamp shells with different curvatures through the arc-shaped adjusting assembly, the applicability is improved, and meanwhile when the same workpiece is polished, the device can be adjusted to different angles to achieve polishing according to the direction.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp shell grinding, in particular to a curved surface positioning grinding device for an automotive plastic lamp shell. Background Technique

[0002] During the production process of lamp shells, it is often necessary to grind their surfaces to improve the quality of the finished lamp shells. However, for traditional grinding devices, when fixing the lamp shells, single fixation is required in multiple directions, and then manual multi-directional grinding is carried out. The fixing method of this method is relatively cumbersome, and fixing only one side cannot ensure stability. At the same time, using manual grinding will further increase production costs, and the grinding degree cannot be unified. Therefore, technical personnel in this field have provided a curved surface positioning grinding device for an automotive plastic lamp shell to solve the problems raised in the above background technique. Content of the Utility Model

[0003] The purpose of the utility model is to provide a curved surface positioning grinding device for an automotive plastic lamp shell to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution:

[0005] A curved surface positioning grinding device for an automotive plastic lamp shell, including a first receiving plate and a bottom plate. The first receiving plate is fixedly connected to the bottom plate. A transmission component is arranged inside the first receiving plate. One end of the transmission component is provided with a clamping component. The upper end of the bottom plate is fixedly connected with a heightening plate. The upper end of the heightening plate is fixedly connected with a second receiving plate. An arc-shaped adjusting component is arranged inside the second receiving plate and the heightening plate. And one end of the arc-shaped adjusting component is provided with a grinding component.

[0006] Further, the transmission component includes a transmission chamber, a transmission gear, a transmission rod, a rotating gear, a second servo motor, a rotating plate, an annular limiting groove and a limiting rod. A transmission chamber is opened inside the first receiving plate. A second servo motor is fixedly connected inside the first receiving plate. The output end of the second servo motor is provided with a rotating gear. One end of the rotating gear is meshed and connected with a transmission gear. The surface of the transmission gear is fixedly connected with a transmission rod.

[0007] Further, an annular limiting groove is opened on the surface of the first receiving plate. The end of the transmission rod away from the transmission gear is fixedly connected with a rotating plate. Two limiting rods are fixedly connected to the end of the rotating plate close to the transmission rod. And the limiting rods are located on both sides of the transmission rod. At the same time, one end of the transmission rod is placed inside the annular limiting groove.

[0008] Further, the clamping component includes a sliding rod, a locking plate and a locking nut. Two sliding rods are fixedly connected to one end of the rotating plate. A locking plate is sleeved on the surface of the sliding rod. A locking nut is threadedly connected to the surface of the sliding rod. One end of the locking nut is in close contact with the locking plate.

[0009] Further, the arc adjustment assembly includes a connecting plate, an arc groove, a guide rail connecting piece and an annular guide rail. The arc grooves are formed in the heightening plate and the second receiving plate. The annular guide rail is arranged in the heightening plate. The guide rail connecting piece is arranged on the surface of the annular guide rail. The upper end of the guide rail connecting piece is fixedly connected with the connecting plate, and the connecting plate slides in the arc groove.

[0010] Further, the grinding assembly includes an electro-hydraulic telescopic rod, a first servo motor and a grinding turntable. One end of the connecting plate is fixedly connected with the electro-hydraulic telescopic rod. The output end of the electro-hydraulic telescopic rod is provided with the first servo motor, and the output end of the first servo motor is provided with the grinding turntable.

[0011] By adopting the above technical solutions,

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] 1. By using the clamping assembly, the workpiece to be ground can be fixed in a suitable position, and at the same time, it is rotated through the transmission assembly to make it better fit the grinding position. This fixing method clamps the workpiece through two parallel fixing plates, so that the clamping is more stable, and multiple clamping parts are not required, further improving the work efficiency;

[0014] 2. At the same time, the annular guide rail can be used to drive the grinding assembly to move annularly, so that the grinding turntable can be adjusted to different angles for grinding. At this time, the workpiece clamped by the transmission assembly rotates, and thus different surfaces of the workpiece can be ground, further improving the comprehensiveness of grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of an automotive plastic lamp housing curved surface positioning grinding device;

[0016] Figure 2 is a schematic diagram of the top sectional structure of an automotive plastic lamp housing curved surface positioning grinding device;

[0017] Figure 3 is a schematic diagram of the front sectional structure of the arc groove in an automotive plastic lamp housing curved surface positioning grinding device;

[0018] Figure 4 In the present utility model Figure 2 is a partial enlarged schematic diagram of part A;

[0019] In the figure: 1. First receiving plate; 2. Bottom plate; 3. Sliding rod; 4. Locking plate; 5. Locking nut; 6. Lifting plate; 7. Second receiving plate; 8. Electro-hydraulic telescopic rod; 9. First servo motor; 10. Grinding turntable; 11. Transmission chamber; 12. Transmission gear; 13. Transmission rod; 14. Rotating gear; 15. Second servo motor; 16. Rotating plate; 17. Connecting plate; 18. Arc groove; 19. Guide rail connector; 20. Annular guide rail; 21. Annular limiting groove; 22. Limiting rod. Specific implementation manner

[0020] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0021] Please refer to Figures 1 to 4 , the present utility model provides an embodiment, a curved surface positioning and grinding device for an automotive plastic lamp housing, including a first receiving plate 1 and a bottom plate 2. The first receiving plate 1 is fixedly connected to the bottom plate 2. A transmission component is arranged inside the first receiving plate 1. One end of the transmission component is provided with a clamping component. The upper end of the bottom plate 2 is fixedly connected with a lifting plate 6. The upper end of the lifting plate 6 is fixedly connected with a second receiving plate 7. An arc-shaped adjusting component is arranged inside the second receiving plate 7 and the lifting plate 6, and a grinding component is arranged at one end of the arc-shaped adjusting component.

[0022] In an embodiment, the transmission assembly includes a transmission chamber 11, a transmission gear 12, a transmission rod 13, a rotating gear 14, a second servo motor 15, a rotating plate 16, an annular limiting groove 21, and a limiting rod 22. A transmission chamber 11 is formed in the first receiving plate 1. A second servo motor 15 is fixedly connected inside the first receiving plate 1. A rotating gear 14 is provided at the output end of the second servo motor 15. One end of the rotating gear 14 is meshed with a transmission gear 12. A transmission rod 13 is fixedly connected to the surface of the transmission gear 12. An annular limiting groove 21 is formed on the surface of the first receiving plate 1. The end of the transmission rod 13 away from the transmission gear 12 is fixedly connected to a rotating plate 16. Two limiting rods 22 are fixedly connected to one end of the rotating plate 16 close to the transmission rod 13, and the limiting rods 22 are located on both sides of the transmission rod 13. At the same time, one end of the transmission rod 13 is placed in the annular limiting groove 21. The second servo motor 15 drives the rotating gear 14 to rotate, the rotating gear 14 drives the transmission gear 12 to rotate, and the transmission gear 12 drives the rotating plate 16 to rotate through the transmission rod 13. The limiting rods 22 on the rotating plate 16 and the annular limiting groove 21 ensure the stable movement of the transmission rod 13.

[0023] In an embodiment, the clamping assembly includes a sliding rod 3, a locking plate 4, and a locking nut 5. Two sliding rods 3 are fixedly connected to one end of the rotating plate 16. A locking plate 4 is sleeved on the surface of the sliding rod 3. A locking nut 5 is threadedly connected to the surface of the sliding rod 3. One end of the locking nut 5 is in close contact with the locking plate 4. The rotating plate 16 is sleeved on the sliding rod 3 through the locking plate 4. The workpiece is placed between the rotating plate 16 and the locking plate 4. The position of the locking plate 4 can be adjusted by the locking nut 5 so as to clamp and fix the position of the workpiece.

[0024] In an embodiment, the arc adjusting assembly includes a connecting plate 17, an arc groove 18, a guide rail connecting piece 19, and an annular guide rail 20. Arc grooves 18 are formed in the heightening plate 6 and the second receiving plate 7. An annular guide rail 20 is provided inside the heightening plate 6. A guide rail connecting piece 19 is provided on the surface of the annular guide rail 20. The upper end of the guide rail connecting piece 19 is fixedly connected to a connecting plate 17, and the connecting plate 17 slides in the arc groove 18. The arc adjusting assembly slides on the annular guide rail 20 through the guide rail connecting piece 19, thereby allowing the connecting plate 17 to perform arc adjustment between the heightening plate 6 and the second receiving plate 7, so as to adapt to different curved surfaces, and can synchronously drive the grinding assembly for synchronous adjustment.

[0025] In an embodiment, the grinding assembly includes an electro-hydraulic telescopic rod 8, a first servo motor 9, and a grinding turntable 10. One end of a connecting plate 17 is fixedly connected to the electro-hydraulic telescopic rod 8. The output end of the electro-hydraulic telescopic rod 8 is provided with the first servo motor 9, and the output end of the first servo motor 9 is provided with the grinding turntable 10. The electro-hydraulic telescopic rod 8 can adjust the position of the first servo motor 9, enabling it to extend or contract, so as to better contact different curved surfaces of the workpiece. At the same time, the first servo motor 9 drives the grinding turntable 10 to perform grinding operations on the surface of the lamp housing.

[0026] Through the cooperation of the precise transmission assembly and the arc adjustment assembly, precise grinding can be performed on different curved surfaces of the workpiece, enabling high-precision grinding. The clamping process of the clamping assembly uses two parallel plates for fixation. This positioning method ensures the stability of the lamp housing during the grinding process, reduces errors. The arc adjustment assembly enables the device to adapt to lamp housings with different curvatures, improving applicability. At the same time, when grinding the same workpiece, it can also be adjusted to different angles to achieve grinding in different orientations. Using servo motors and the electro-hydraulic telescopic rod 8 improves the degree of automation, reduces manual intervention, and can further improve production efficiency.

[0027] By using the clamping assembly, the workpiece to be ground can be fixed in a suitable position, and at the same time, it is rotated through the transmission assembly to better fit the grinding area. This fixing method clamps the workpiece through two parallel fixing plates, making the clamping more stable and eliminating the need for multiple clamping parts, further improving work efficiency;

[0028] At the same time, the use of the annular guide rail 20 can drive the grinding assembly to move in a circle, enabling the grinding turntable 10 to be adjusted to different angles for grinding. At this time, the workpiece clamped by the transmission assembly rotates, so that different surfaces of the workpiece can be ground, further improving the comprehensiveness of grinding.

[0029] This specification is described according to the implementation manners, but not every implementation manner only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation manners that can be understood by those skilled in the art.

Claims

1. A device for positioning and polishing the curved surface of a plastic automobile lamp housing, comprising a first receiving plate (1) and a bottom plate (2), characterized in that: The first receiving plate (1) is fixedly connected to the base plate (2), a transmission assembly is arranged inside the first receiving plate (1), a clamping assembly is arranged at one end of the transmission assembly, a padding plate (6) is fixedly connected to the upper end of the base plate (2), a second receiving plate (7) is fixedly connected to the upper end of the padding plate (6), an arc adjustment assembly is arranged inside the second receiving plate (7) and the padding plate (6), and a grinding assembly is arranged at one end of the arc adjustment assembly.

2. The device for positioning and polishing the curved surface of a plastic automobile lamp housing according to claim 1, characterized in that: The transmission assembly comprises a transmission chamber (11), a transmission gear (12), a transmission rod (13), a rotating gear (14), a second servo motor (15), a rotating plate (16), an annular limiting groove (21) and a limiting rod (22); the transmission chamber (11) is provided in the first receiving plate (1); the second servo motor (15) is fixedly connected in the first receiving plate (1); the output end of the second servo motor (15) is provided with a rotating gear (14); one end of the rotating gear (14) is meshedly connected with the transmission gear (12); and the surface of the transmission gear (12) is fixedly connected with the transmission rod (13).

3. The device for positioning and polishing the curved surface of a plastic automobile lamp housing according to claim 2, characterized in that: An annular limiting groove (21) is provided on the surface of the first receiving plate (1); one end of the transmission rod (13) away from the transmission gear (12) is fixedly connected to a rotating plate (16); one end of the rotating plate (16) close to the transmission rod (13) is fixedly connected to two limiting rods (22), and the limiting rods (22) are located on both sides of the transmission rod (13), while one end of the transmission rod (13) is placed in the annular limiting groove (21).

4. The device for positioning and polishing the curved surface of a plastic automobile lamp housing according to claim 3, characterized in that: The clamping assembly comprises a sliding rod (3), a locking plate (4) and a locking nut (5); one end of the rotating plate (16) is fixedly connected to the two sliding rods (3); the locking plate (4) is sleeved on the surface of the sliding rod (3); the locking nut (5) is threadedly connected to the surface of the sliding rod (3); one end of the locking nut (5) is tightly attached to the locking plate (4).

5. The device for positioning and polishing the curved surface of a plastic automobile lamp housing according to claim 4, characterized in that: The arc adjustment component comprises a connecting plate (17), an arc groove (18), a guide rail connecting piece (19) and an annular guide rail (20); the arc groove (18) is provided in the raising plate (6) and the second receiving plate (7); the annular guide rail (20) is provided in the raising plate (6); the guide rail connecting piece (19) is provided on the surface of the annular guide rail (20); the upper end of the guide rail connecting piece (19) is fixedly connected to the connecting plate (17), and the connecting plate (17) slides in the arc groove (18).

6. The device for positioning and polishing the curved surface of a plastic automobile lamp housing according to claim 5, characterized in that: The grinding assembly comprises an electro-hydraulic telescopic rod (8), a first servo motor (9) and a grinding turntable (10); one end of the connecting plate (17) is fixedly connected to the electro-hydraulic telescopic rod (8); the output end of the electro-hydraulic telescopic rod (8) is provided with the first servo motor (9); and the output end of the first servo motor (9) is provided with the grinding turntable (10).

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