A rotating device for five-axis machining center

Abstract

The utility model relates to the technical field of machining centers, and discloses a rotating device for a five-axis machining center, comprising a base, a side wall of the base is rotatably connected to a first rotating shaft, a receiving plate is fixedly connected between the first rotating shafts, a second rotating shaft is rotatably connected to the surface of the receiving plate, a turntable is fixedly connected to the top end of the second rotating shaft, a plurality of limit grooves are provided on the surface of the turntable, a transmission mechanism for rotating the first rotating shaft is arranged on the side wall of the base, and a pneumatic mechanism for rotating the second rotating shaft is arranged on the lower surface of the receiving plate; compared with three-axis machining using multiple clamping workpieces, the utility model can complete more machining operations in one fixture setting, reduces the number of tool changes and re-clamping, improves production efficiency, and can more easily manufacture parts with complex shapes, such as curved surfaces, chamfers and grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of machining centers, in particular to a rotating device used for a five-axis machining center. Background Art

[0002] At present, the machining centers on the market are mainly three-axis. When machining parts, the existing horizontal machining centers usually achieve multi-faceted machining of parts by manual clamping. However, manual clamping is not only labor-intensive, but also extremely inefficient, and reduces the positioning accuracy of the workpiece. Therefore, a rotating device for a five-axis machining center is proposed to achieve the five-axis machining effect. Utility Model Content

[0003] The purpose of the utility model is to provide a rotating device for a five-axis machining center to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating device for a five-axis machining center, comprising a base, a first rotating shaft is rotatably connected to the side wall of the base, a receiving plate is fixedly connected between the first rotating shaft, a second rotating shaft is rotatably connected to the surface of the receiving plate, a turntable is fixedly connected to the top end of the second rotating shaft, a plurality of limit grooves are provided on the surface of the turntable, a transmission mechanism for rotating the first rotating shaft is provided on the side wall of the base, and a pneumatic mechanism for rotating the second rotating shaft is provided on the lower surface of the receiving plate.

[0005] As a preferred solution, the transmission mechanism includes a first gear, a movable groove, a threaded rod, a threaded sleeve, a movable block, a first toothed plate and a servo motor. The side wall of the base is provided with a movable groove, the inner side wall of the movable groove is rotatably connected to a threaded rod, the surface of the threaded rod is threadedly connected to a threaded sleeve, the surface of the threaded sleeve is fixedly connected to a movable block, and the movable block is slidably connected to the movable groove.

[0006] As a preferred solution, the side wall of the base is rotatably connected to a first gear, one end of the first gear is fixedly connected to one end of the first rotating shaft, the side wall of the movable block is fixedly connected to a first toothed plate, and the first toothed plate is meshingly connected to the first gear.

[0007] As a preferred solution, a servo motor is fixedly connected to the side wall of the base, and a power output end of the servo motor is fixedly connected to one end of the threaded rod.

[0008] As a preferred embodiment, the pneumatic mechanism includes a second gear, a slide groove, a slider, a second gear, a cylinder, an intake pipe, an exhaust pipe, a solenoid valve and a connecting block. The second gear is rotatably connected to the lower surface of the receiving plate, one end of the second gear is fixedly connected to one end of the second rotating shaft, a slide groove is provided on the lower surface of the receiving plate, a slider is slidably connected to the inner side wall of the slide groove, a second tooth plate is fixedly connected to the surface of the slider, and the second gear is meshed with each other.

[0009] As a preferred solution, a cylinder is fixedly connected to the lower surface of the receiving plate, a connecting block is fixedly connected to the movable end of the cylinder, and one end of the connecting block is fixedly connected to one end of the second tooth plate.

[0010] As a preferred solution, an air intake pipe and an exhaust pipe are fixedly connected to the surface of the cylinder, both of which are connected to an external air source, and solenoid valves are provided at both the outlet end of the air intake pipe and the inlet end of the exhaust pipe.

[0011] Technical effects and advantages of the utility model:

[0012] 1. When the servo motor is running, the power output end of the servo motor rotates to drive the threaded rod to rotate, and the rotation of the threaded rod drives the threaded sleeve to move. The threaded sleeve can only move along the direction of the movable groove under the limitation of the movable block and the movable groove, and the movement of the threaded sleeve drives the movable block to move. The movement of the movable block drives the first toothed plate to move, and the movement of the first toothed plate drives the first gear to rotate. The rotation of the first gear drives the first rotating shaft to rotate, and the first rotating shaft drives the receiving plate to rotate, so as to realize four-axis rotation. The solenoid valve is used to control the high-pressure gas to enter and exit the cylinder to realize the extension and contraction of the cylinder. The movement of the movable end of the cylinder drives the connecting block to move, and the movement of the connecting block drives the second toothed plate to move. The movement of the second toothed plate drives the second gear to rotate, and the rotation of the second gear drives the second rotating shaft to rotate. The rotation of the second rotating shaft drives the turntable to rotate, so as to realize five-axis rotation. Compared with three-axis processing using multiple clamping of workpieces, the utility model can complete more processing operations in one fixture setting, reduce the number of tool changes and re-clamping, improve production efficiency, and can more easily manufacture parts with complex shapes, such as curved surfaces, chamfers and grooves. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 For this utility model Figure 1 A magnified view of the structure in the middle.

[0015] Figure 3 It is a schematic diagram of the planar structure of the receiving plate of the utility model.

[0016] Figure 4 For this utility model Figure 3 A magnified view of the structure at B in the middle.

[0017] In the figure: 1. base; 2. first rotating shaft; 3. receiving plate; 4. first gear; 5. movable groove; 6. threaded rod; 7. threaded sleeve; 8. movable block; 9. first tooth plate; 10. servo motor; 11. second rotating shaft; 12. turntable; 13. second gear; 14. slide groove; 15. slider; 16. second tooth plate; 17. cylinder; 18. intake pipe; 19. exhaust pipe; 20. solenoid valve; 21. connecting block. DETAILED DESCRIPTION

[0018] 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.

[0019] The utility model provides Figure 1-4 A rotating device for a five-axis machining center is shown, comprising a base 1, a first rotating shaft 2 is rotatably connected to the side wall of the base 1, a receiving plate 3 is fixedly connected between the first rotating shaft 2, a second rotating shaft 11 is rotatably connected to the surface of the receiving plate 3, a turntable 12 is fixedly connected to the top of the second rotating shaft 11, a plurality of limiting grooves are provided on the surface of the turntable 12, a transmission mechanism for rotating the first rotating shaft 2 is provided on the side wall of the base 1, and a pneumatic mechanism for rotating the second rotating shaft 11 is provided on the lower surface of the receiving plate 3.

[0020] In this embodiment, the transmission mechanism includes a first gear 4, a movable groove 5, a threaded rod 6, a threaded sleeve 7, a movable block 8, a first toothed plate 9 and a servo motor 10. The side wall of the base 1 is provided with a movable groove 5, the inner side wall of the movable groove 5 is rotatably connected with the threaded rod 6, the surface of the threaded rod 6 is threadedly connected with the threaded sleeve 7, the surface of the threaded sleeve 7 is fixedly connected with the movable block 8, the movable block 8 is slidably connected with the movable groove 5, the side wall of the base 1 is rotatably connected with the first gear 4, one end of the first gear 4 is fixedly connected with one end of the first rotating shaft 2, the side wall of the movable block 8 is fixedly connected with the first toothed plate 9, the first toothed plate 9 is meshed with the first gear 4, and the side wall of the base 1 A servo motor 10 is fixedly connected to the wall, and a power output end of the servo motor 10 is fixedly connected to one end of the threaded rod 6; when the servo motor 10 is running, the power output end of the servo motor 10 rotates to drive the threaded rod 6 to rotate, and the rotation of the threaded rod 6 drives the threaded sleeve 7 to move. The threaded sleeve 7 can only move along the direction of the movable groove 5 under the limitation of the movable block 8 and the movable groove 5, and the movement of the threaded sleeve 7 drives the movable block 8 to move, and the movement of the movable block 8 drives the first tooth plate 9 to move, and the movement of the first tooth plate 9 drives the first gear 4 to rotate, and the rotation of the first gear 4 drives the first rotating shaft 2 to rotate, and the first rotating shaft 2 drives the receiving plate 3 to rotate, thereby realizing four-axis rotation.

[0021] In this embodiment, the pneumatic mechanism includes a second gear 13, a slide 14, a slider 15, the second gear 13, a cylinder 17, an intake pipe 18, an exhaust pipe 19, a solenoid valve 20 and a connecting block 21. The lower surface of the receiving plate 3 is rotatably connected to the second gear 13, one end of the second gear 13 is fixedly connected to one end of the second rotating shaft 11, a slide 14 is provided on the lower surface of the receiving plate 3, the inner side wall of the slide 14 is slidably connected to the slider 15, the surface of the slider 15 is fixedly connected to the second toothed plate 16, the second gear 13 is meshed with the second gear 13, the lower surface of the receiving plate 3 is fixedly connected to the cylinder 17, the movable end of the cylinder 17 is fixedly connected to the connecting block 21, one end of the connecting block 21 is fixedly connected to one end of the second toothed plate 16, and the surface of the cylinder 17 is fixedly connected to the intake pipe 18 and exhaust pipe 19, the air inlet pipe 18 and the exhaust pipe 19 are both connected to an external gas source, and the outlet end of the air inlet pipe 18 and the inlet end of the exhaust pipe 19 are both provided with a solenoid valve 20; the solenoid valve 20 is used to control the high-pressure gas to enter and exit the cylinder 17, so that the cylinder 17 can be extended and retracted, the movable end of the cylinder 17 moves to drive the connecting block 21 to move, the connecting block 21 moves to drive the second tooth plate 16 to move, the second tooth plate 16 moves to drive the second gear 13 to rotate, the second gear 13 rotates to drive the second rotating shaft 11 to rotate, and the second rotating shaft 11 rotates to drive the turntable 12 to rotate, so as to realize five-axis rotation. Compared with three-axis machining using multiple clamping of the workpiece, five-axis machining can complete more machining operations in one fixture setting, reduce the number of tool changes and re-clamping, and improve production efficiency.

[0022] Working principle of the utility model: The utility model is a rotating device for a five-axis machining center. When the servo motor 10 is running, the power output end of the servo motor 10 rotates to drive the threaded rod 6 to rotate, and the threaded rod 6 rotates to drive the threaded sleeve 7 to move. The threaded sleeve 7 can only move along the direction of the movable groove 5 under the limit of the movable block 8 and the movable groove 5. The movement of the threaded sleeve 7 drives the movable block 8 to move, and the movement of the movable block 8 drives the first toothed plate 9 to move. The movement of the first toothed plate 9 drives the first gear 4 to rotate, and the rotation of the first gear 4 drives the first rotating shaft 2 to rotate, and the first rotating shaft 2 drives the receiving plate 3 to rotate, realizing four-axis Rotation, the solenoid valve 20 controls the high-pressure gas to enter and exit the cylinder 17 to realize the extension and retraction of the cylinder 17, the movement of the movable end of the cylinder 17 drives the connection block 21 to move, the movement of the connection block 21 drives the second tooth plate 16 to move, the movement of the second tooth plate 16 drives the second gear 13 to rotate, the rotation of the second gear 13 drives the second rotating shaft 11 to rotate, the rotation of the second rotating shaft 11 drives the turntable 12 to rotate, and five-axis rotation is realized. Compared with three-axis machining that uses multiple clamping of the workpiece, five-axis machining can complete more machining operations in one fixture setting, reduce the number of tool changes and re-clamping, and improve production efficiency.

[0023] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotating device for a five-axis machining center, characterized in that: The invention comprises a base (1), wherein a first rotating shaft (2) is rotatably connected to the side wall of the base (1), a receiving plate (3) is fixedly connected between the first rotating shaft (2), a second rotating shaft (11) is rotatably connected to the surface of the receiving plate (3), a rotating disk (12) is fixedly connected to the top of the second rotating shaft (11), a surface of the rotating disk (12) is provided with a plurality of limiting grooves, a transmission mechanism for rotating the first rotating shaft (2) is arranged on the side wall of the base (1), and a pneumatic mechanism for rotating the second rotating shaft (11) is arranged on the lower surface of the receiving plate (3); The transmission mechanism comprises a first gear (4), a movable groove (5), a threaded rod (6), a threaded sleeve (7), a movable block (8), a first toothed plate (9) and a servo motor (10); the side wall of the base (1) is provided with a movable groove (5); the inner side wall of the movable groove (5) is rotatably connected with the threaded rod (6); the surface of the threaded rod (6) is threadedly connected with the threaded sleeve (7); the surface of the threaded sleeve (7) is fixedly connected with the movable block (8); and the movable block (8) is slidably connected with the movable groove (5).

2. A rotating device for a five-axis machining center according to claim 1, characterized in that: The side wall of the base (1) is rotatably connected to a first gear (4), one end of the first gear (4) is fixedly connected to one end of the first rotating shaft (2), and the side wall of the movable block (8) is fixedly connected to a first toothed plate (9), which is meshingly connected to the first gear (4).

3. The rotating device for a five-axis machining center according to claim 2, characterized in that: A servo motor (10) is fixedly connected to the side wall of the base (1), and a power output end of the servo motor (10) is fixedly connected to one end of the threaded rod (6).

4. The rotating device for a five-axis machining center according to claim 3, characterized in that: The pneumatic mechanism comprises a second gear (13), a slide groove (14), a slider (15), the second gear (13), a cylinder (17), an air inlet pipe (18), an air outlet pipe (19), a solenoid valve (20) and a connecting block (21); the lower surface of the receiving plate (3) is rotatably connected with the second gear (13); one end of the second gear (13) is fixedly connected with one end of the second rotating shaft (11); a slide groove (14) is provided on the lower surface of the receiving plate (3); the inner side wall of the slide groove (14) is slidably connected with the slider (15); the surface of the slider (15) is fixedly connected with the second tooth plate (16); and the second gear (13) and the second gear (13) are meshed with each other.

5. The rotating device for a five-axis machining center according to claim 4, characterized in that: The lower surface of the receiving plate (3) is fixedly connected to a cylinder (17), the movable end of the cylinder (17) is fixedly connected to a connecting block (21), and one end of the connecting block (21) is fixedly connected to one end of the second tooth plate (16).

6. The rotating device for a five-axis machining center according to claim 5, characterized in that: An air intake pipe (18) and an exhaust pipe (19) are fixedly connected to the surface of the cylinder (17); both the air intake pipe (18) and the exhaust pipe (19) are connected to an external air source; and electromagnetic valves (20) are provided at the outlet end of the air intake pipe (18) and the inlet end of the exhaust pipe (19).

Images