Polishing device for surface smoothness machining of large-cambered-surface metal piece

Abstract

The utility model discloses a polishing device for processing the surface smoothness of a large cambered surface metal piece, which comprises a base, a mounting seat is arranged in the base, a mounting ring is arranged below the mounting seat, a gear ring is sleeved on the mounting ring, a driving wheel is arranged in the base, a first motor is arranged in the base, a mounting box is arranged above the mounting seat, and a second motor is arranged in the mounting box. The mounting box is slidably connected with the mounting base, a threaded rod is arranged in the mounting base, a polishing column is arranged in the mounting box and rotatably connected with the mounting box through a rotating shaft, a motor is arranged above the mounting box, and the polishing column is connected with the output end of the motor through the rotating shaft; cambered surface metal pieces are fixed on the center position of the polishing device through the arranged positioning base and the arranged positioning rod, and the surfaces of the cambered surface metal pieces with different radiuses are polished through the mounting base, the mounting box on the mounting base and the polishing column on the mounting base.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a grinding device for processing the surface finish of a large arc-surface metal piece. Background Art

[0002] Grinding is a type of surface modification technology. It generally refers to a processing method that uses rough objects to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness. After the initial processing of metal parts, the surface roughness is uneven and the surface of the metal parts needs to be polished.

[0003] In the prior art, the surface finish processing of arc-surface metal parts requires the staff to manually control the grinding wheel to change the grinding angle. The manually controlled grinding wheel cannot well meet the requirements of grinding different arc-surface metal parts, affecting the accuracy of metal surface grinding. In addition, after the grinding wheel in the prior art has been used for a period of time, metal debris ground from the metal parts will adhere to its surface. These metal debris are easy to damage the grinding wheel itself and the surface of the metal part being ground during the high-speed rotation of the grinding wheel. Utility Model Content

[0004] The utility model aims to provide a grinding device for processing the surface finish of a large arc-surface metal part, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for surface finish processing of large arc metal parts, comprising a base, a mounting seat is provided in the base, a positioning seat is fixedly installed in the base, the mounting seat is rotatably connected to the base and the positioning seat through a bearing respectively, a mounting ring is provided below the mounting seat, a gear ring is sleeved on the mounting ring, a driving wheel is provided in the base, the driving wheel is meshed with the gear ring, the driving wheel is rotatably connected to the base through a rotating shaft, a first motor is provided in the base, the driving wheel is connected to the output end of the first motor through a rotating shaft, an installation box is provided above the mounting seat, the installation box is slidably connected to the mounting seat, a threaded rod is provided in the mounting seat, a grinding column is provided in the installation box, the grinding column is rotatably connected to the mounting box through a rotating shaft, a motor is provided above the installation box, and the grinding column is connected to the output end of the motor through a rotating shaft.

[0006] As a further preferred embodiment of the present technical solution, both ends of the threaded rod respectively pass through the mounting seat and are rotatably connected to the mounting seat, the threaded rod passes through the mounting box and is threadedly connected to the mounting box, a second motor is provided in the mounting seat, and the right end of the threaded rod is connected to the output end of the second motor.

[0007] As a further preferred embodiment of the present technical solution, a slider is provided above the positioning seat, a positioning rod is provided above the slider, the slider is slidably connected to the positioning seat, two groups of symmetrically distributed bidirectional screw rods are provided in the positioning seat, both ends of the bidirectional screw rods respectively pass through the corresponding sliders and are threadedly connected to the sliders, a fourth motor is provided on the positioning seat, and the bidirectional screw rod is connected to the output end of the fourth motor.

[0008] As a further preferred embodiment of the present technical solution, a mounting column is provided in the mounting box, and the mounting column is rotatably connected to the mounting box through a mounting shaft, a gear is provided above the mounting column, a rack is provided in the mounting box, a cylinder is provided in the mounting box, the rack is connected to the output end of the cylinder piston rod, the rack is meshed with the gear, and two groups of cleaning brushes are symmetrically distributed on the mounting column, and the cleaning brushes are arranged corresponding to the polishing column.

[0009] As a further preferred embodiment of the present technical solution, a spring plate is provided in the installation box, the spring plate is rotatably connected to the installation box, two groups of torsion springs are symmetrically distributed at both ends of the spring plate, a push plate is provided on the right side of the spring plate, the push plate is rotatably connected to the installation box through a rotating shaft, and a third motor is provided in the installation box.

[0010] As a further preferred embodiment of the present technical solution, the two ends of the torsion spring are rotatably connected to the spring plate and the mounting box respectively, the spring plate and the cleaning brush are arranged correspondingly, the lower end of the push plate is connected to the output end of the third motor, and the push plate is fitted with the spring plate.

[0011] The utility model provides a grinding device for processing the surface finish of large arc-shaped metal parts, which has the following beneficial effects:

[0012] (1) The utility model fixes the center position of the arc-surface metal part on the grinding device by means of the positioning seat and the positioning rod, and grinds the surface of the arc-surface metal part with different radii by means of the mounting seat and the mounting box and the grinding column on the mounting seat; adjusts the distance between the two sets of sliders and the positioning rods on the sliders by rotating the bidirectional screw to be suitable for the positioning of the arc-surface metal parts with different radii; after the position of the metal part is determined, the second motor is started to drive the threaded rod to rotate, and the mounting box is driven to slide under the limiting action of the mounting seat, and the position of the grinding column is determined according to the position of the metal part until the grinding column fits the surface of the metal part; then the motor is started to drive the grinding column to rotate, and the surface of the metal part is ground; during the grinding process, the second motor is started to drive the driving wheel to rotate, so that the gear ring drives the mounting ring and the mounting seat to rotate, and cooperates with the grinding column to grind the metal part uniformly and in all directions.

[0013] (2) The utility model provides a cleaning brush to clean the metal powder contaminated by the grinding column when grinding the surface of the metal part, thereby preventing the metal powder from being contaminated on the grinding column and damaging the grinding column and the surface of the metal part during the grinding process. At the same time, for the metal powder cleaned from the grinding column and contaminated on the cleaning brush, the rack is driven to slide by the cylinder, and the gear is used to drive the mounting column to drive the two sets of cleaning brushes to be replaced. At the same time, the third motor is started to drive the push plate to rotate. During the rotation of the push plate, the spring plate is intermittently pushed. After being pushed, the spring plate is deflected, and the torsion spring is used to rotate the spring plate left and right, so that the cleaning brush in contact with the spring plate is bounced, and the metal debris or powder contaminated by the cleaning brush is shaken off. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the mounting seat of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the installation box of the utility model;

[0017] Figure 4 For the utility model Figure 3 -A magnified view of the structure;

[0018] Figure 5 It is a structural schematic diagram of the positioning seat of the utility model;

[0019] In the figure: 1. base; 2. mounting seat; 3. positioning seat; 4. mounting ring; 5. gear ring; 6. driving wheel; 7. first motor; 8. mounting box; 9. threaded rod; 10. second motor; 11. grinding column; 12. motor; 13. mounting column; 14. gear; 15. rack; 16. cylinder; 17. cleaning brush; 18. spring plate; 19. torsion spring; 20. push plate; 21. third motor; 22. positioning rod; 23. slider; 24. bidirectional screw rod; 25. fourth motor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 , Figure 2 and Figure 5As shown, in this embodiment, a grinding device for surface finish processing of large arc-surface metal parts includes a base 1, a mounting seat 2 is provided in the base 1, a positioning seat 3 is fixedly installed in the base 1, the mounting seat 2 is rotatably connected to the base 1 and the positioning seat 3 respectively through bearings, a mounting ring 4 is provided below the mounting seat 2, a gear ring 5 is sleeved on the mounting ring 4, a driving wheel 6 is provided in the base 1, the driving wheel 6 is meshed and connected with the gear ring 5, the driving wheel 6 is rotatably connected to the base 1 through a rotating shaft, a first motor 7 is provided in the base 1, the driving wheel 6 is connected to the output end of the first motor 7 through a rotating shaft, a mounting box 8 is provided above the mounting seat 2, the mounting box 8 is slidably connected to the mounting seat 2, a threaded rod 9 is provided in the mounting seat 2, a grinding column 11 is provided in the mounting box 8, and the grinding column 11 is connected to the mounting seat 2 through a rotating shaft. The box 8 is rotatably connected, a motor 12 is provided above the installation box 8, the grinding column 11 is connected to the output end of the motor 12 through a rotating shaft, both ends of the threaded rod 9 respectively penetrate the mounting seat 2 and are rotatably connected to the mounting seat 2, the threaded rod 9 penetrates the installation box 8 and is threadedly connected to the installation box 8, a second motor 10 is provided in the mounting seat 2, and the right end of the threaded rod 9 is connected to the output end of the second motor 10, a slider 23 is provided above the positioning seat 3, a positioning rod 22 is provided above the slider 23, the slider 23 is slidably connected to the positioning seat 3, two groups of symmetrically distributed bidirectional screw rods 24 are provided in the positioning seat 3, both ends of the bidirectional screw rod 24 respectively penetrate the corresponding sliders 23 and are threadedly connected to the slider 23, a fourth motor 25 is provided on the positioning seat 3, and the bidirectional screw rod 24 is connected to the output end of the fourth motor 25.

[0022] The center position of the arc-surface metal part on the grinding device is fixed by the provided positioning seat 3 and the positioning rod 22, and the grinding of the surface of the arc-surface metal part with different radii is achieved by the mounting seat 2 and the mounting box 8 and the grinding column 11 on the mounting seat 2; the distance between the two sets of sliders 23 and the positioning rods 22 on the sliders 23 is adjusted by rotating the bidirectional screw rod 24 to be suitable for the positioning of arc-surface metal parts with different radii, after the position of the metal part is determined, the second motor 10 is started to drive the threaded rod 9 to rotate, and the mounting box 8 is driven to slide under the limiting action of the mounting seat 2, and the position of the grinding column 11 is determined according to the position of the metal part until the grinding column 11 fits with the surface of the metal part, and then the motor 12 is started to drive the grinding column 11 to rotate, and the surface of the metal part is ground. During the grinding process, the second motor 10 is started to drive the driving wheel 6 to rotate, so that the gear ring 5 drives the mounting ring 4 and the mounting seat 2 to rotate, and cooperates with the grinding column 11 to grind the metal part uniformly and in all directions.

[0023] like Figure 3 and Figure 4As shown, a mounting column 13 is provided in the mounting box 8, and the mounting column 13 is rotatably connected to the mounting box 8 through a mounting shaft. A gear 14 is provided above the mounting column 13, and a rack 15 is provided in the mounting box 8. A cylinder 16 is provided in the mounting box 8, and the rack 15 is connected to the output end of the piston rod of the cylinder 16. The rack 15 is meshed with the gear 14. Two groups of cleaning brushes 17 are symmetrically distributed on the mounting column 13, and the cleaning brush 17 is arranged corresponding to the polishing column 11. A spring plate 18 is provided in the mounting box 8, and the spring plate 18 is rotatably connected to the mounting box 8. Two groups of torsion springs 19 are symmetrically distributed at both ends of the spring plate 18. A push plate 20 is provided on the right side of the spring plate 18, and the push plate 20 is rotatably connected to the mounting box 8 through a rotating shaft. A third motor 21 is provided in the mounting box 8, and both ends of the torsion spring 19 are rotatably connected to the spring plate 18 and the mounting box 8 respectively. The spring plate 18 is arranged correspondingly to the cleaning brush 17, and the lower end of the push plate 20 is connected to the output end of the third motor 21, and the push plate 20 fits with the spring plate 18.

[0024] The cleaning brush 17 is provided to clean the metal powder contaminated by the grinding column 11 when grinding the surface of the metal part, so as to prevent the metal powder from being contaminated on the grinding column 11 and damaging the grinding column 11 and the surface of the metal part during the grinding process. At the same time, for the metal powder cleaned from the grinding column 11 and contaminated on the cleaning brush 17, the rack 15 is driven to slide by the cylinder 16, and the gear 14 is cooperated to make the mounting column 13 drive the two sets of cleaning brushes 17 to be replaced, and the third motor 21 is started to drive the push plate 20 to rotate. During the rotation of the push plate 20, the spring plate 18 is intermittently pushed. After being pushed, the spring plate 18 is deflected, and the torsion spring 19 is cooperated to make the spring plate 18 rotate left and right, so that the cleaning brush 17 in contact with the spring plate 18 is bounced, and the metal debris or powder contaminated by the cleaning brush 17 is shaken off.

[0025] The utility model provides a grinding device for surface finish processing of large arc-surface metal parts, and the specific working principle is as follows: the distance between the two groups of sliders 23 and the positioning rods 22 on the sliders 23 is adjusted by rotating the bidirectional screw rod 24, so as to be suitable for the positioning of arc-surface metal parts with different radii. After the position of the metal part is determined, the second motor 10 is started to drive the threaded rod 9 to rotate, and the mounting box 8 is driven to slide under the limiting effect of the mounting seat 2. The position of the grinding column 11 is determined according to the position of the metal part until the grinding column 11 fits with the surface of the metal part, and then the motor 12 is started to drive the grinding column 11 to rotate to grind the surface of the metal part. During the grinding process, the second motor 10 is started to drive the driving wheel 6 to rotate, so that the gear ring 5 drives the mounting ring 4 and the mounting seat 2 to rotate, and cooperates with the grinding column 11 to grind the metal part. The grinding is performed uniformly in all directions. A cleaning brush 17 is provided to clean the metal powder contaminated by the grinding column 11 when the grinding column 11 grinds the surface of the metal part, so as to prevent the metal powder from being contaminated on the grinding column 11 and damaging the grinding column 11 and the surface of the metal part during the grinding process. At the same time, for the metal powder cleaned from the grinding column 11 and contaminated on the cleaning brush 17, the rack 15 is driven to slide by the cylinder 16, and the gear 14 is cooperated to make the mounting column 13 drive the two groups of cleaning brushes 17 to be replaced. At the same time, the third motor 21 is started to drive the push plate 20 to rotate. During the rotation of the push plate 20, the spring plate 18 is intermittently pushed. After being pushed, the spring plate 18 is deflected, and the torsion spring 19 is cooperated to make the spring plate 18 rotate left and right, so that the cleaning brush 17 in contact with the spring plate 18 is bounced, and the metal debris or powder contaminated by the cleaning brush 17 is shaken off.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A grinding device for processing the surface finish of a large arc-shaped metal part, comprising a base (1), characterized in that: The base (1) is provided with a mounting seat (2), a positioning seat (3) is fixedly installed in the base (1), the mounting seat (2) is rotatably connected to the base (1) and the positioning seat (3) via bearings, a mounting ring (4) is provided below the mounting seat (2), a gear ring (5) is sleeved on the mounting ring (4), a driving wheel (6) is provided in the base (1), the driving wheel (6) is meshedly connected to the gear ring (5), the driving wheel (6) is rotatably connected to the base (1) via a rotating shaft, and a first motor is provided in the base (1). The drive wheel (6) is connected to the output end of the first motor (7) through a rotating shaft, a mounting box (8) is provided above the mounting seat (2), the mounting box (8) is slidably connected to the mounting seat (2), a threaded rod (9) is provided in the mounting seat (2), a grinding column (11) is provided in the mounting box (8), the grinding column (11) is rotatably connected to the mounting box (8) through a rotating shaft, a motor (12) is provided above the mounting box (8), and the grinding column (11) is connected to the output end of the motor (12) through a rotating shaft.

2. A grinding device for processing the surface finish of a large arc-shaped metal part according to claim 1, characterized in that: The two ends of the threaded rod (9) respectively penetrate the mounting seat (2) and are rotatably connected to the mounting seat (2); the threaded rod (9) penetrates the mounting box (8) and is threadedly connected to the mounting box (8); a second motor (10) is arranged in the mounting seat (2); and the right end of the threaded rod (9) is connected to the output end of the second motor (10).

3. The grinding device for surface finish processing of large arc surface metal parts according to claim 1 is characterized in that: A slider (23) is provided above the positioning seat (3), a positioning rod (22) is provided above the slider (23), the slider (23) is slidably connected to the positioning seat (3), two groups of symmetrically distributed bidirectional screw rods (24) are provided in the positioning seat (3), two ends of the bidirectional screw rods (24) respectively penetrate the corresponding sliders (23) and are threadedly connected to the sliders (23), a fourth motor (25) is provided on the positioning seat (3), and the bidirectional screw rod (24) is connected to the output end of the fourth motor (25).

4. The grinding device for surface finish processing of large arc surface metal parts according to claim 1 is characterized in that: The installation box (8) is provided with an installation column (13), the installation column (13) is rotatably connected to the installation box (8) through an installation shaft, a gear (14) is provided above the installation column (13), a rack (15) is provided in the installation box (8), a cylinder (16) is provided in the installation box (8), the rack (15) is connected to the output end of the piston rod of the cylinder (16), the rack (15) is meshed with the gear (14), and two groups of cleaning brushes (17) are symmetrically distributed on the installation column (13), and the cleaning brushes (17) are arranged corresponding to the polishing column (11).

5. The grinding device for surface finish processing of large arc surface metal parts according to claim 1 is characterized in that: A spring plate (18) is provided in the installation box (8), and the spring plate (18) is rotatably connected to the installation box (8). Two groups of torsion springs (19) are symmetrically distributed at both ends of the spring plate (18). A push plate (20) is provided on the right side of the spring plate (18), and the push plate (20) is rotatably connected to the installation box (8) through a rotating shaft. A third motor (21) is provided in the installation box (8).

6. A grinding device for surface finish processing of large arc surface metal parts according to claim 5, characterized in that: The two ends of the torsion spring (19) are rotatably connected to the spring plate (18) and the mounting box (8) respectively; the spring plate (18) and the cleaning brush (17) are arranged correspondingly; the lower end of the push plate (20) is connected to the output end of the third motor (21); and the push plate (20) is in contact with the spring plate (18).

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