Polishing equipment for surface finish machining of automobile plastic part

Abstract

The utility model discloses polishing equipment for surface finish machining of automobile plastic parts, which belongs to the technical field of automobile plastic part machining and comprises an upper fixing plate, driven gear rings are rotatably mounted on the upper side and the lower side of the upper fixing plate, a dustproof baffle is fixedly mounted on the upper surfaces of the driven gear rings, and a plurality of upper threaded parts are rotatably mounted on one side of the dustproof baffle. Upper threaded rods are in threaded connection with the interiors of the upper threaded pieces, the upper threaded rods are slidably connected with the dustproof baffle, a movable frame is fixedly installed at the ends, located in the dustproof baffle, of the upper threaded rods, a grinding roller is rotationally installed in the movable frame, and a distance sensor is fixedly installed at the upper end of the movable frame; the utility model provides the polishing equipment which is good in dustproof effect and can polish at the same time by singly adjusting a plurality of sections of polishing rollers.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile plastic parts processing, in particular to a polishing device for fine processing of the surface of automobile plastic parts. Background Art

[0002] Polishing refers to a processing method that uses mechanical, chemical or electrochemical effects to reduce the surface roughness of a workpiece to obtain a bright and smooth surface.

[0003] The grinding and polishing process generates a lot of dust, which can easily pollute the environment and harm the health of workers. In addition, most automotive plastic parts are irregular parts. Ordinary one-piece grinding rollers cannot adjust the distance between the grinding rollers and the surface of plastic parts at different positions according to the outer curve of the plastic parts. They can only be ground in sections, and the grinding efficiency is low.

[0004] Based on this, the utility model designs a polishing device for surface finishing of automobile plastic parts to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a polishing device for fine machining of automobile plastic parts surface, so as to provide a polishing device with good dustproof effect and capable of simultaneously polishing with a single adjustment of multiple grinding rollers.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A polishing device for surface finishing of automobile plastic parts comprises an upper fixed plate, driven gear rings are rotatably mounted on the upper and lower sides of the upper fixed plate, a dust baffle is fixedly mounted on the upper surface of the driven gear ring, a plurality of upper threaded members are rotatably mounted on one side of the dust baffle, upper threaded rods are threadedly connected in the upper threaded members, a movable frame is fixedly mounted on the upper threaded rod which is slidably connected to the dust baffle and a grinding roller is rotatably mounted in the movable frame, a distance sensor is fixedly mounted on the upper end of the movable frame, and a lower baffle is fixedly mounted on the lower surface of the upper fixed plate.

[0008] Preferably, a driving shaft is rotatably mounted on one side of the upper fixed plate, a driving gear is fixedly mounted on the driving shaft, and the driving gear is ringed with the driven gear.

[0009] Preferably, a positioning plate is fixedly installed below the upper fixed plate through a connecting column, mounting plates are fixedly installed at the edges of the positioning plate, lower telescopic rods are fixedly installed on the mounting plates, and a clamping plate is fixedly installed at one end of the lower telescopic rod close to the dust baffle.

[0010] Preferably, a side connecting frame is fixedly installed on the outer side of the dust baffle near the position of the upper threaded component, and a side fixing plate is fixedly installed on the side connecting frame at a position corresponding to the upper threaded component. A side telescopic rod is fixedly installed on the side fixing plate, and a driving gear is rotatably installed on the front end of the side telescopic rod.

[0011] Preferably, a conflicting gear is fixedly mounted on each of the upper threaded members, the driving gear is meshed with the conflicting gear, a transmission gear is fixedly mounted on each of the driving gears, and a transmission chain is connected to the outer sleeve of the transmission gear.

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

[0013] 1. The utility model can ensure that the grinding dust does not overflow by arranging a protective cover on the upper end of the dust baffle during the grinding process, thereby preventing dust from polluting the environment and damaging the health of the workers, making the grinding setting more environmentally friendly and green.

[0014] 2. In the utility model, multiple groups of grinding rollers are arranged and distributed longitudinally, and each group of grinding rollers can be adjusted individually, so that the distance of the grinding rollers can be adjusted according to the external curvature of the plastic part, avoiding the problem of poor adaptability of the integrated grinding rollers to the irregular surface of the plastic part. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the utility model from the front side perspective;

[0017] Figure 2 For this utility model Figure 1 A partial schematic diagram of the structure at A in the middle;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model from a side view perspective;

[0019] Figure 4 For this utility model Figure 3 A partial schematic diagram of the structure at B in the middle;

[0020] Figure 5 It is a structural sectional view of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. Upper fixed plate; 2. Dust baffle; 3. Driven gear ring; 4. Driving gear; 5. Driving shaft; 6. Interference gear; 7. Upper threaded member; 8. Lower baffle; 9. Lower telescopic rod; 10. Upper threaded rod; 11. Movable frame; 12. Distance sensor; 13. Grinding roller; 14. Driving gear; 15. Side connecting frame; 16. Side fixed plate; 17. Side telescopic rod; 18. Positioning plate; 19. Clamping plate; 20. Mounting plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0025] A polishing device for surface finishing of automobile plastic parts comprises an upper fixed plate 1, on both upper and lower sides of the upper fixed plate 1 are rotatably mounted driven gear rings 3, on the upper surface of the driven gear ring 3 is fixedly mounted a dust baffle 2, on one side of the dust baffle 2 are rotatably mounted a plurality of upper threaded members 7, in each of the upper threaded members 7 are threadedly connected an upper threaded rod 10, the upper threaded rod 10 is slidably connected to the dust baffle 2 and a movable frame 11 is fixedly mounted at one end of the upper threaded rod 10 located in the dust baffle 2, a grinding roller 13 is rotatably mounted in the movable frame 11, a distance sensor 12 is fixedly mounted on the upper end of the movable frame 11, and a lower baffle 8 is fixedly mounted on the lower surface of the upper fixed plate 1.

[0026] A driving shaft 5 is rotatably mounted on one side of the upper fixed plate 1 , and a driving gear 4 is fixedly mounted on the driving shaft 5 , and the driving gear 4 and the driven gear ring 3 .

[0027] Among them, a positioning plate 18 is fixedly installed below the upper fixed plate 1 through a connecting column, a mounting plate 20 is fixedly installed on the edge of the positioning plate 18, a lower telescopic rod 9 is fixedly installed on the mounting plate 20, and a clamping plate 19 is fixedly installed on one end of the lower telescopic rod 9 close to the dust baffle 2.

[0028] Among them, a side connecting frame 15 is fixedly installed on the outer side of the dust baffle 2 near the upper threaded member 7, a side fixing plate 16 is fixedly installed on the side connecting frame 15 at a position corresponding to the upper threaded member 7, a side telescopic rod 17 is fixedly installed on the side fixing plate 16, and a driving gear 14 is rotatably installed at the front end of the side telescopic rod 17.

[0029] The upper threaded member 7 is fixedly mounted with a conflicting gear 6 , the driving gear 14 is meshed with the conflicting gear 6 , the driving gear 14 is fixedly mounted with a transmission gear, and the transmission gear outer shell is connected with a transmission chain.

[0030] In the utility model, the plastic part is introduced into the dust baffle 2, the lower end of the plastic part is abutted against the positioning plate 18, and then the clamping plate 19 is driven to approach the plastic part through the lower telescopic rod 9, and then the position of the plastic part is fixed by the clamping plate 19 at the same time. After the plastic part is fixed, the upper end is in the middle of the dust baffle 2, and then the upper threaded member 7 is driven to rotate, and the upper threaded member 7 interacts with the upper threaded rod 10 to drive the movable frame 11 at the front end of the upper threaded rod 10 to approach the surface of the plastic part (the motor drives the transmission gear at one end to rotate, and multiple groups of transmission gears and transmission chains cooperate to drive multiple groups of driving gears 14 to rotate at the same time, and the rotation of the driving gear 14 drives the interfering gear 6 meshing therewith to rotate, and the rotation of the interfering gear 6 drives the upper threaded member 7 to rotate, and the driving gear 14 is on the side telescopic rod 17 is staggered with the conflicting gear 6 in the retracted state), when the grinding roller 13 contacts the surface of the plastic part, the corresponding upper threaded part 7 stops rotating (after the distance sensor 12 detects that the distance to the plastic part reaches the specified range, the distance sensor 12 transmits data to the control board, and then drives the corresponding side telescopic rod 17 to retract through the control board, and drives the corresponding driving gear 14 to disconnect the meshing with the conflicting gear 6 through the contraction of the side telescopic rod 17), the grinding roller 13 on the movable frame 11 rotates to grind the surface of the plastic part, and the plastic part is in the dust baffle 2 throughout the grinding process. Arranging a protective cover at the upper end of the dust baffle 2 during the grinding process can ensure that the grinding dust does not overflow, avoid dust pollution of the environment, and damage the health of the staff, making the grinding setting more environmentally friendly and green.

[0031] In the utility model, multiple groups of grinding rollers 13 are arranged and distributed longitudinally, and each group of grinding rollers 13 can be adjusted individually, so that the grinding rollers 13 can adjust the distance according to the external curvature of the plastic part, avoiding the problem that the integrated grinding rollers 13 have poor adaptability to the irregular surface of the plastic part.

Claims

1. A polishing device for surface finishing of automobile plastic parts, comprising an upper fixing plate (1), characterized in that: A driven gear ring (3) is rotatably mounted on both upper and lower sides of the upper fixed plate (1); a dust baffle (2) is fixedly mounted on the upper surface of the driven gear ring (3); a plurality of upper threaded members (7) are rotatably mounted on one side of the dust baffle (2); upper threaded rods (10) are threadedly connected inside the upper threaded members (7); the upper threaded rods (10) are slidably connected to the dust baffle (2) and a movable frame (11) is fixedly mounted on one end of the upper threaded rod (10) located inside the dust baffle (2); a grinding roller (13) is rotatably mounted inside the movable frame (11); a distance sensor (12) is fixedly mounted on the upper end of the movable frame (11); and a lower baffle (8) is fixedly mounted on the lower surface of the upper fixed plate (1).

2. The polishing equipment for surface finishing of automobile plastic parts according to claim 1, characterized in that: A driving shaft (5) is rotatably mounted on one side of the upper fixed plate (1), a driving gear (4) is fixedly mounted on the driving shaft (5), and the driving gear (4) is connected to the driven gear ring (3).

3. The polishing equipment for surface finishing of automobile plastic parts according to claim 1, characterized in that: A positioning plate (18) is fixedly mounted below the upper fixed plate (1) via a connecting column, a mounting plate (20) is fixedly mounted on the edge of the positioning plate (18), a lower telescopic rod (9) is fixedly mounted on the mounting plate (20), and a clamping plate (19) is fixedly mounted on one end of the lower telescopic rod (9) close to the dust baffle (2).

4. The polishing equipment for surface finishing of automobile plastic parts according to claim 1, characterized in that: A side connecting frame (15) is fixedly mounted on the outer side of the dustproof baffle (2) at a position close to the upper threaded member (7); a side fixing plate (16) is fixedly mounted on the side connecting frame (15) at a position corresponding to the upper threaded member (7); a side telescopic rod (17) is fixedly mounted on each of the side fixing plates (16); and a driving gear (14) is rotatably mounted on the front end of the side telescopic rod (17).

5. The polishing equipment for surface finishing of automobile plastic parts according to claim 4, characterized in that: The upper threaded member (7) is fixedly mounted with a conflicting gear (6), the driving gear (14) is meshed with the conflicting gear (6), the driving gear (14) is fixedly mounted with a transmission gear, and the transmission gear outer shell is connected with a transmission chain.

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