High-precision polishing device

Abstract

The utility model relates to the technical field of polishing devices, in particular to a high-precision polishing device. According to the technical scheme, the device comprises a workbench, a first air cylinder push rod is arranged on the bottom face of the workbench, the output end of the first air cylinder push rod penetrates and extends to the top face of the workbench and is provided with a sleeve, four first connecting plates are arranged on the outer ring of the sleeve, and a set of connecting rods are rotationally arranged on one side of each first connecting plate; a second connecting plate is rotationally arranged at the other end of each set of connecting rods. By arranging the first air cylinder push rod to the base plate, annular machined parts of different sizes can be clamped and fixed, and by arranging the electric guide rail to the mounting plate, the polishing roller can be driven to polish all positions of the annular machined parts. And the angle of the polishing roller can be adjusted by arranging a third air cylinder push rod and a connecting block, so that the requirement for polishing the fillet can be met, and the polishing precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to polishing device technical field especially relates to a high accuracy polishing device. BACKGROUND

[0002] Polishing refers to through friction, grinding etc., remove some small protrusions or uneven parts of object surface, thereby make its surface become smooth, even and have higher gloss process. The purpose of polishing is to improve material surface quality, increase gloss, reduce surface defects, improve surface smoothness, or prepare for subsequent coating, plating process. In prior art, it is common to polish annular workpiece, but the application range of polishing device in prior art is limited, and some workpieces need to be chamfered on the edge, and some polishing devices can only satisfy single angle polishing, thus have limitation, and a high accuracy polishing device needs to be proposed. SUMMARY

[0003] The utility model relates to a high accuracy polishing device for solving the problems in the prior art.

[0004] The utility model discloses a high accuracy polishing device, including the workbench, the bottom surface of workbench is provided with cylinder push rod no. 1, the output end of cylinder push rod no. 1 extends to the top surface of workbench and is provided with the sleeve, the outer ring of sleeve is provided with four connecting plates no. 1, one side of each connecting plate no. 1 is rotatably provided with a group of connecting rods, one end of each group of connecting rods is rotatably provided with connecting plate no. 2, one side of each connecting plate no. 2 is provided with arc plate, one side of each arc plate is provided with the backing plate, and the bottom surface of each arc plate is slidably connected with the top surface of workbench, the top surface of workbench is provided with the mounting groove, the inside of mounting groove is provided with electric guide rail, the middle end of electric guide rail is slidably provided with slide table, the top surface of slide table is provided with U type frame, the top surface of U type frame is provided with cylinder push rod no. 2, the output end of cylinder push rod no. 2 extends to the inside top surface of U type frame and is provided with the adjusting frame, the front side of adjusting frame is provided with motor no. 1, the output end of motor no. 1 extends to the inside of adjusting frame and is provided with screw rod, the middle end outer circle of screw rod is connected with threaded block, the bottom surface of threaded block is provided with mounting plate, the bottom surface of mounting plate is provided with cylinder push rod no. 3, the output end of cylinder push rod no. 3 is provided with rack, the bottom surface of mounting plate is provided with two support plates, the same rotation rod is rotatably arranged between two support plates, the middle end outer circle of rotation rod is provided with gear, and the gear is meshed with rack, the outer circle of both ends of rotation rod is provided with connecting block, the bottom surface of two connecting blocks is provided with the same installation box, the inside of installation box is provided with motor no. 2, the output end of motor no. 2 extends to the bottom surface of installation box and is provided with polishing roller.

[0005] Preferably, the top surface of the workbench is provided with a guide cylinder, and the inner wall of the sleeve is in sliding connection with the outer ring of the guide cylinder.

[0006] Preferably, each group of the connecting rods is arranged in parallel.

[0007] Preferably, the bottom surface of each of the arc-shaped plates is provided with a T-shaped block, the top surface of the workbench is provided with four T-shaped grooves, and each of the T-shaped blocks is in sliding connection with a corresponding T-shaped groove.

[0008] Preferably, the top surface of the workbench is provided with a guide groove, the inside of the guide groove is provided with a guide rod, the outer ring of the middle end of the guide rod is provided with a guide block in sliding connection, and the top surface of the guide block is in fixed connection with the bottom surface of the U-shaped frame.

[0009] Preferably, the front and rear sides of the U-shaped frame are provided with limiting grooves, and the front and rear ends of the adjusting frame are in sliding connection with the corresponding limiting grooves.

[0010] Preferably, the bottom surface of the mounting plate is provided with a trapezoidal groove, the top surface of the rack is provided with a trapezoidal strip, and the trapezoidal strip is in sliding connection with the trapezoidal groove.

[0011] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0012] The utility model discloses a cylinder push rod one to the base plate can be applicable to the clamping and fixing of annular workpieces of different sizes, and the polishing roller can be driven to polish each position of the annular workpiece through the setting of the electric guide rail to the mounting plate, and the angle of the polishing roller can be adjusted through the setting of the cylinder push rod three to the connecting block, so that the polishing of the round corner can be satisfied, and the polishing precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is another visual angle structure schematic diagram of the utility model;

[0015] Figure 3 It is the section structure schematic diagram of the utility model;

[0016] Figure 4 It is the partial area structure schematic diagram in the utility model;

[0017] Figure 5 It is Figure 4 the partial structure schematic diagram in.

[0018] Label: 1, workbench; 2, cylinder push rod one; 3, sleeve; 4, connecting plate one; 5, connecting rod; 6, connecting plate two; 7, arc plate; 8, backing plate; 9, electric guide rail; 10, sliding table; 11, U-shaped frame; 12, cylinder push rod two; 13, adjusting frame; 14, motor one; 15, screw; 16, threaded block; 17, mounting plate; 18, cylinder push rod three; 19, rack; 20, support plate; 21, rotating rod; 22, gear; 23, connecting block; 24, mounting box; 25, motor two; 26, polishing roller; 27, guide cylinder; 28, T-shaped block; 29, guide rod; 30, guide block; 31, trapezoidal strip. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0020] EMBODIMENT

[0021] As Figures 1 to 5 shown, the utility model provides a high-precision polishing device, including workbench 1, the bottom surface of workbench 1 is provided with cylinder push rod one 2, the bottom surface of workbench 1 is fixedly connected with the top surface of cylinder push rod one 2, the output end of cylinder push rod one 2 extends to the top surface of workbench 1 and is provided with sleeve 3, the output end of cylinder push rod one 2 is slidably connected with workbench 1, the output end of cylinder push rod one 2 is fixedly connected with the inside top surface of sleeve 3, the top surface of workbench 1 is provided with guide cylinder 27, the top surface of workbench 1 is fixedly connected with the bottom surface of guide cylinder 27, the output end of cylinder push rod one 2 is slidably connected with the inner wall of guide cylinder 27, the inner wall of sleeve 3 is slidably connected with the outer ring of guide cylinder 27, the running track of sleeve 3 can be guided and limited by being provided with guide cylinder 27, the outer ring of sleeve 3 is provided with four connecting plate one 4, the outer ring of sleeve 3 is fixedly connected with connecting plate one 4, one side of each connecting plate one 4 is rotatably provided with a group of connecting rod 5, each group of connecting rod 5 is parallelly arranged;

[0022] The other end of each connecting rod 5 is rotationally provided with a connecting plate two 6, one side of each connecting plate two 6 is provided with an arc-shaped plate 7, the connecting plate two 6 and the arc-shaped plate 7 are fixedly connected, one side of each arc-shaped plate 7 is provided with a pad plate 8, the arc-shaped plate 7 and the pad plate 8 are fixedly connected, the bottom surface of each arc-shaped plate 7 is in sliding connection with the top surface of the workbench 1, the bottom surface of each arc-shaped plate 7 is provided with a T-shaped block 28, the bottom surface of the arc-shaped plate 7 and the top surface of the T-shaped block 28 are fixedly connected, four T-shaped grooves are formed in the top surface of the workbench 1, each T-shaped block 28 is in sliding connection with a corresponding T-shaped groove, the T-shaped block 28 is guided and limited by the T-shaped groove, so as to guide and limit the running track of the arc-shaped plate 7, and the arc-shaped plate 7 always maintains a straight running state, a mounting groove is formed in the top surface of the workbench 1, an electric guide rail 9 is arranged in the mounting groove, the electric guide rail 9 is fixedly installed in the mounting groove, a sliding table 10 is slidably arranged at the middle end of the electric guide rail 9, a U-shaped frame 11 is arranged on the top surface of the sliding table 10, and the top surface of the sliding table 10 and the bottom surface of the U-shaped frame 11 are fixedly connected;

[0023] A guide groove is formed in the top surface of the workbench 1, a guide rod 29 is arranged in the guide groove, the guide rod 29 is fixedly installed in the guide groove, a guide block 30 is slidably arranged at the outer ring of the middle end of the guide rod 29, and the top surface of the guide block 30 and the bottom surface of the U-shaped frame 11 are fixedly connected, so as to guide and limit the U-shaped frame 11, a pneumatic cylinder push rod two 12 is arranged on the top surface of the U-shaped frame 11, the top surface of the U-shaped frame 11 and the bottom surface of the pneumatic cylinder push rod two 12 are fixedly connected, an adjusting frame 13 is arranged on the output end of the pneumatic cylinder push rod two 12 and extends to the inner top surface of the U-shaped frame 11, the output end of the pneumatic cylinder push rod two 12 and the top surface of the adjusting frame 13 are fixedly connected, limiting grooves are formed in the front and back of the U-shaped frame 11, the front and back ends of the adjusting frame 13 are in sliding connection with the corresponding limiting grooves, so as to facilitate the running of the adjusting frame 13, a motor one 14 is arranged on the front side of the adjusting frame 13, the front side of the adjusting frame 13 and the rear side of the motor one 14 are fixedly connected, a screw rod 15 is arranged on the output end of the motor one 14 and extends to the inside of the adjusting frame 13, and the output end of the motor one 14 and the screw rod 15 are fixedly connected;

[0024] The middle end outer circle of the screw rod 15 is threadedly connected with a threaded block 16, the bottom surface of the threaded block 16 is provided with a mounting plate 17, the bottom surface of the threaded block 16 is fixedly connected with the top surface of the mounting plate 17, the bottom surface of the mounting plate 17 is provided with a cylinder push rod three 18, the bottom surface of the mounting plate 17 is fixedly connected with the top surface of the cylinder push rod three 18, the output end of the cylinder push rod three 18 is provided with a rack 19, the output end of the cylinder push rod three 18 is fixedly connected with the rack 19, the bottom surface of the mounting plate 17 is provided with a trapezoidal groove, the top surface of the rack 19 is provided with a trapezoidal strip 31, the top surface of the rack 19 is fixedly connected with the bottom surface of the trapezoidal strip 31, the trapezoidal strip 31 is slidably connected with the trapezoidal groove, the trapezoidal groove can guide and limit the trapezoidal strip 31, so as to guide and limit the running track of the rack 19, so that the rack 19 always maintains a straight running state, the bottom surface of the mounting plate 17 is provided with two supporting plates 20, the bottom surface of the mounting plate 17 is fixedly connected with the top surface of the supporting plate 20, and the same rotating rod 21 is rotatably arranged between the two supporting plates 20;

[0025] The middle end outer circle of the rotating rod 21 is provided with a gear 22, the rotating rod 21 is fixedly connected with the gear 22, the gear 22 is meshingly arranged with the rack 19, both ends of the rotating rod 21 are provided with a connecting block 23, the rotating rod 21 is fixedly connected with the connecting block 23, the bottom surfaces of the two connecting blocks 23 are provided with the same mounting box 24, the bottom surface of the connecting block 23 is fixedly connected with the top surface of the mounting box 24, the inside of the mounting box 24 is provided with a motor two 25, the motor two 25 is fixedly installed in the inside of the mounting box 24, the output end of the motor two 25 extends through to the bottom surface of the mounting box 24 and is provided with a polishing roller 26, and the output end of the motor two 25 is fixedly connected with the polishing roller 26.

[0026] In the embodiment, when the device is used, first, the annular workpiece to be polished is placed on the cushion plate 8, then the cylinder push rod 1 is operated to drive the sleeve 3 to move up and down through the output end of the cylinder push rod 1, so that the connecting plate 1 4 can be moved up and down, and then the connecting rod 5 pulls the connecting plate 2 6 to move, so that the arc plate 7 can be moved inwards or outwards, so that it can be suitable for clamping and fixing annular workpieces of different sizes, then the electric guide rail 9 is operated to drive the sliding table 10 to move left and right, so that the U-shaped frame 11 can be moved left and right, the movement of the U-shaped frame 11 can drive the polishing roller 26 to move left and right, the cylinder push rod 2 is operated to drive the polishing roller 26 to move up and down, the motor 1 is operated to drive the screw 15 to rotate, the rotation of the screw 15 can drive the threaded block 16 to move forward and backward along the screw 15, so that the polishing roller 26 can polish each part of the annular workpiece, when the round corner position of the annular workpiece needs to be polished, the cylinder push rod 3 is operated, the rack 19 is driven to move through the output end of the cylinder push rod 3, the gear 22 is driven to rotate, the rotation of the gear 22 can drive the rotating rod 21 to rotate, the rotation of the rotating rod 21 can drive the connecting block 23 to rotate, the rotation of the connecting block 23 can drive the mounting box 24 to rotate, the rotation of the mounting box 24 can drive the polishing roller 26 to adjust the angle, so that different angle parts can be polished.

[0027] The above specific embodiments are only preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A high-precision polishing apparatus comprising a worktable (1), characterized in that: The bottom surface of the workbench (1) is provided with a cylinder push rod I (2), and the output end of the cylinder push rod I (2) extends through to the top surface of the workbench (1) and is provided with a sleeve (3). The outer circle of the sleeve (3) is provided with four connecting plates I (4). One side of each of the connecting plates I (4) is rotatably provided with a group of connecting rods (5). The other end of each group of connecting rods (5) is rotatably provided with a connecting plate II (6). One side of each of the connecting plate II (6) is provided with an arc-shaped plate (7). One side of each of the arc-shaped plates (7) is provided with a backing plate (8). The bottom surface of each of the arc-shaped plates (7) is in sliding connection with the top surface of the workbench (1). The top surface of the workbench (1) is provided with a mounting groove. The inside of the mounting groove is provided with an electric guide rail (9). The middle end of the electric guide rail (9) is slidably provided with a sliding table (10). The top surface of the sliding table (10) is provided with a U-shaped frame (11). The top surface of the U-shaped frame (11) is provided with a cylinder push rod II (12). The output end of the cylinder push rod II (12) extends through to the inside top surface of the U-shaped frame (11) and is provided with an adjusting frame (13). The front side of the adjusting frame (13) is provided with a motor I (14). The output end of the motor I (14) extends through to the inside of the adjusting frame (13) and is provided with a screw rod (15). The middle end of the screw rod (15) is externally and threadedly connected with a threaded block (16). The bottom surface of the threaded block (16) is provided with a mounting plate (17). The bottom surface of the mounting plate (17) is provided with a cylinder push rod III (18). The output end of the cylinder push rod III (18) is provided with a rack (19). The bottom surface of the mounting plate (17) is provided with two support plates (20). The same rotating rod (21) is rotatably arranged between the two support plates (20). The middle end of the rotating rod (21) is externally provided with a gear (22). The gear (22) is in meshing connection with the rack (19). The two ends of the rotating rod (21) are externally provided with connecting blocks (23). The bottom surfaces of the two connecting blocks (23) are provided with the same mounting box (24). The inside of the mounting box (24) is provided with a motor II (25). The output end of the motor II (25) extends through to the bottom surface of the mounting box (24) and is provided with a polishing roller (26).

2. The high-precision polishing device according to claim 1, wherein The top surface of the workbench (1) is provided with a guide cylinder (27). The inner wall of the sleeve (3) is in sliding connection with the outer circle of the guide cylinder (27).

3. The high-precision polishing device according to claim 1, wherein Each group of connecting rods (5) is arranged in parallel.

4. The high-precision polishing apparatus according to claim 1, wherein The bottom surface of each of the arc-shaped plates (7) is provided with a T-shaped block (28). The top surface of the workbench (1) is provided with four T-shaped grooves. Each of the T-shaped blocks (28) is in sliding connection with a corresponding T-shaped groove.

5. The high-precision polishing apparatus according to claim 1, wherein The top surface of the workbench (1) is provided with a guide groove. The inside of the guide groove is provided with a guide rod (29). The middle end of the guide rod (29) is externally provided with a guide block (30). The top surface of the guide block (30) is in fixed connection with the bottom surface of the U-shaped frame (11).

6. The high precision polishing apparatus of claim 1, wherein The U-shaped frame (11) is provided with a limiting slot on both front and back sides, and the adjusting frame (13) is in sliding connection with the corresponding limiting slot at both ends.

7. The high precision polishing apparatus of claim 1, wherein The bottom surface of the mounting plate (17) is provided with a trapezoidal slot, and the top surface of the rack (19) is provided with a trapezoidal strip (31), which is in sliding connection with the trapezoidal slot.

Images