CN220718453U - Five revolving stages in numerical control machining center - Google Patents

Abstract

The utility model discloses a five-axis turntable of a numerical control machining center, which comprises an A axis, wherein the A axis comprises a first box body, a first turret is arranged in the first box body, one side of the first turret is fixedly connected with an inner ring of a first turntable bearing, an outer ring of the first turntable bearing is fixedly connected with a first fixing component, the other side of the first turret is fixedly connected with a first braking plate and a turntable lengthening sleeve, the turntable lengthening sleeve is fixedly connected with a first braking component, one side of the first box body is fixedly connected with a motor, and the motor is in transmission connection with a first rotating component; the C shaft comprises a second box body, a second turret is arranged in the second box body, one side of the second turret is fixedly connected with an inner ring of a second turntable bearing, an outer ring of the second turntable bearing is fixedly connected with a second fixing component, the other side of the second turret is fixedly connected with a second braking plate, and a second braking component is fixedly connected on the second braking plate; a motor is installed in the tailstock, a supporting component is fixedly connected to the side wall of the motor, and a second rotating component is connected to the motor in a transmission mode. The utility model can realize position adjustment and greatly improve the working precision.

Description

Five revolving stages in numerical control machining center

Technical Field

The utility model relates to the technical field of numerical control machining center tooling equipment, in particular to a five-axis turntable of a numerical control machining center.

Background

The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of the numerical control machine tools with highest yield and most wide application in the world at present. The device has strong comprehensive processing capability, can finish more processing contents after one-time clamping of workpieces, has higher processing precision, is suitable for batch workpieces with medium processing difficulty, has the efficiency which is 5-10 times that of common equipment, can finish processing which cannot be finished by a plurality of common equipment, and is more suitable for single-piece processing or small-medium batch production with complex shape and high precision requirement. The milling, boring, drilling, tapping, thread cutting and other functions are concentrated on one piece of equipment, so that the milling, boring, drilling, thread cutting and other functions are realized by multiple technological means. A traditional four-axis turntable is additionally provided with an A-axis rotating shaft on the basis of traditional XYZ three axes, so that the numerical control machine tool processing is facilitated to realize the work such as inclined plane punching. However, in the case that a plurality of surfaces of a workpiece are required to be machined, the four-axis turntable is difficult to realize primary clamping machining, and secondary clamping inevitably brings precision loss. The five-axis turntable is added with C-axis rotation on the basis of the four-axis turntable, so that five surfaces of a workpiece can be machined after one-time clamping. The disadvantage of the traditional five shafts is that the motor used by the C shaft is difficult to adjust, so that the gap between the driving gear and the driven gear arranged on the motor shaft is difficult to ensure, and the transmission precision of the turntable during the rotation of the C shaft is affected.

Therefore, a five-axis turntable of a numerical control machining center is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a five-axis turntable of a numerical control machining center, which solves the problems in the prior art.

In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a five-axis turntable of a numerical control machining center, which comprises,

the A shaft comprises a first box body, a first turret is installed in the first box body, an inner ring of a first turret bearing is fixedly connected to one side of the first turret, a first fixing component is fixedly connected to an outer ring of the first turret bearing, a first braking plate and a turntable lengthening sleeve are fixedly connected to the other side of the first turret, a first braking component is fixedly connected to the turntable lengthening sleeve, a motor is fixedly connected to one side of the first box body, and a first rotating component is connected to the motor in a transmission manner;

the C shaft comprises a second box body, a second turret is arranged in the second box body, an inner ring of a second turntable bearing is fixedly connected to one side of the second turret, a second fixing component is fixedly connected to an outer ring of the second turntable bearing, a second braking plate is fixedly connected to the other side of the second turret, and a second braking component is fixedly connected to the second braking plate;

the tail seat, install the motor in the tail seat, the motor lateral wall rigid coupling has supporting component, the motor transmission is connected with the second rotating assembly, the second rotating assembly is located in the C axle.

Preferably, the first fixing component comprises a bearing outer cover fixedly connected with the bearing outer ring of the first rotating table, the bearing outer cover is fixedly connected with the first box body, and the first rotating table is fixedly connected with a five-axis adapter plate through a disc surface adapter plate.

Preferably, the first brake assembly comprises a first cylinder shell fixedly connected with the turntable lengthening sleeve, the first cylinder shell is fixedly connected with the first box body, a first outer brake block is arranged between the first cylinder shell and the first box body, a brake ring is arranged in the first cylinder shell in a floating mode, a first inner brake block is fixedly connected with the brake ring, and the first inner brake block is detachably connected with the first outer brake block.

Preferably, the first rotating assembly comprises a first small helical tooth fixedly connected with the motor output shaft through a fastening ring, the first small helical tooth is meshed with a first large helical tooth, the first large helical tooth is connected with a first cam through a first expansion sleeve, a first single rod bearing is mounted on the first turret, and the first single rod bearing is embedded in the first cam.

Preferably, the second fixing component comprises a bearing cover fixedly connected with the outer ring of the second turntable bearing, the bearing cover is fixedly connected with the second box body, and the second turret is fixedly connected with a dial through a turret switching disc.

Preferably, the second brake assembly comprises a second cylinder shell fixedly connected with the second braking plate, the second cylinder shell is fixedly connected with the second box body, a second outer braking block is arranged between the second cylinder shell and the second box body, a cylinder piston is slidably connected in the second cylinder shell, a cylinder supporting ring is fixedly connected with the cylinder piston, a second inner braking block is fixedly connected with the cylinder supporting ring, and the second inner braking block is detachably connected with the second outer braking block.

Preferably, the second rotating assembly comprises a second small helical tooth fixedly connected with the motor output shaft through a third expansion sleeve, the second small helical tooth is meshed with a second large helical tooth, the second large helical tooth is connected with a second cam through the second expansion sleeve, a second single rod bearing is mounted on the second turret, and the second single rod bearing is embedded in the second cam.

Preferably, the support assembly comprises an eccentric ring sleeved on the outer side of the motor output shaft, a connecting flange is fixedly connected to the eccentric ring, the connecting flange clamping sleeve is fixed on the bearing inner sleeve, a bearing seat is arranged on the outer side of the bearing inner sleeve, a deep groove ball bearing is arranged between the bearing seat and the bearing inner sleeve, a bearing end cover is arranged at one end of the deep groove ball bearing, and a bearing gland is arranged at the other end of the deep groove ball bearing.

The utility model discloses the following technical effects: according to the clamping device, the motor and the motor can realize respective rotation of the A shaft and the C shaft, so that the workpiece can be clamped at one time except for the bottom surface of the clamping device, the precision loss caused by secondary clamping is avoided, and the working time is saved; meanwhile, the second rotating component in the C shaft can realize position adjustment, and the working accuracy of the second rotating component is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a general assembly view of the present utility model;

FIG. 2 is a schematic view of the structure of the A-axis of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model from another view of the axis A;

FIG. 4 is a schematic view of the structure of the C-axis of the present utility model;

FIG. 5 is a schematic view of another view of the C-axis of the present utility model;

FIG. 6 is a schematic view of the tailstock of the present utility model;

FIG. 7 is an assembly view of the C-axis and tailstock of the present utility model;

1, a first box body; 2. a bearing outer cover; 3. a disk surface switching disk; 4. a five-axis adapter plate; 5. a first turret bearing; 6. a first turret; 7.a first cylinder housing; 8. a brake ring; 9. adding a long sleeve on the turntable; 10. a first brake plate; 11. a first inner brake pad; 12. a first outer brake pad; 13. a first cam; 14. a first large helical tooth; 15. a first expansion sleeve; 16. a first single-rod bearing; 17. a first small helical tooth; 18. a fastening ring; 19. a second brake plate; 20. a second outer brake pad; 21. a second cylinder case; 22. a second inner brake pad; 23. a cylinder support ring; 24. a cylinder piston; 25. a second turntable bearing; 26. a second turret; 27. a turret adaptor plate; 28. a bearing cap; 29. a dial; 30. the second expansion sleeve; 31. second large helical teeth; 32. a second case; 33. a second single-rod bearing; 34. a second cam; 35. a bearing end cap; 36. a connecting flange; 37.a bearing gland; 38. a second small helical tooth; 39. a third expansion sleeve; 40. an eccentric ring; 41. a motor; 42. a bearing inner sleeve; 43. deep groove ball bearings; 44. and a bearing seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-7, the present utility model provides a five-axis turntable of a numerical control machining center, comprising,

the A-axis comprises a first box body 1, a first rotating tower 6 is arranged in the first box body 1, an inner ring of a first rotating table bearing 5 is fixedly connected to one side of the first rotating tower 6, a first fixing component is fixedly connected to an outer ring of the first rotating table bearing 5, a first braking plate 10 and a rotating table lengthening sleeve 9 are fixedly connected to the other side of the first rotating tower 6, a first braking component is fixedly connected to the rotating table lengthening sleeve 9, a motor is fixedly connected to one side of the first box body 1, and a first rotating component is connected to the motor in a transmission manner;

the C shaft comprises a second box body 32, a second turret 26 is arranged in the second box body 32, an inner ring of a second turntable bearing 25 is fixedly connected to one side of the second turret 26, a second fixing component is fixedly connected to the outer ring of the second turntable bearing 25, a second braking plate 19 is fixedly connected to the other side of the second turret 26, and a second braking component is fixedly connected to the second braking plate 19;

the motor 41 is installed in the tailstock, and the supporting component is fixedly connected with the side wall of the motor 41, and the motor 41 is connected with a second rotating component in a transmission way, and the second rotating component is positioned in the C shaft.

In FIG. 1, the numbers are the axis A, the axis C, the tailstock and the bottom plate in sequence from small to large; according to the clamping device, the motor and the motor 41 can be used for realizing respective rotation of the A shaft and the C shaft, so that the workpiece can be clamped at one time except for the bottom surface of the clamping device, the precision loss caused by secondary clamping is avoided, and the working time is saved; meanwhile, the second rotating component in the C shaft can realize position adjustment, and the working accuracy of the second rotating component is guaranteed.

In a further optimized scheme, the first fixing component comprises a bearing outer cover 2 fixedly connected with the outer ring of the first turntable bearing 5, the bearing outer cover 2 is fixedly connected with the first box body 1, and the first turret 6 is fixedly connected with a five-axis adapter plate 4 through a disc surface adapter plate 3.

Further optimizing scheme, first brake subassembly includes with revolving stage extension cover 9 rigid coupling's first cylinder shell 7, first cylinder shell 7 and first box 1 rigid coupling, installs first outer brake block 12 between first cylinder shell 7 and the first box 1, and it is equipped with brake ring 8 to float in the first cylinder shell 7, and brake ring 8 rigid coupling has first interior brake block 11, and first interior brake block 11 can dismantle with first outer brake block 12 and be connected. When the gas or oil pressure pushes the brake ring 8, the brake ring 8 is tightly pressed against the first inner brake pad 11 on the right side and is tightly attached to the first outer brake pad 12 and the first brake plate 10, so that the rotating parts stop rotating.

Further optimizing scheme, first rotating component includes the first little helical tooth 17 of rigid coupling through fastening ring 18 with the motor output shaft, and first little helical tooth 17 meshing has first big helical tooth 14, and first big helical tooth 14 is connected with first cam 13 through first expanding sleeve 15, installs first single pole bearing 16 on the first turret 6, and first single pole bearing 16 inlays and establishes in first cam 13. When the first cam 13 is driven to rotate by the motor, the first single-rod bearing 16 is driven to realize the rotation motion of the first rotating tower 6; the rotary motion of the motor can be converted into the rotary motion of the disc surface switching disc 3 because the disc surface switching disc 3 is indirectly and fixedly connected with the first rotary tower 6.

Further preferably, the second fixing assembly comprises a bearing cover 28 fixedly connected with the outer ring of the second turntable bearing 25, the bearing cover 28 is fixedly connected with a second box 32, and the second turret 26 is fixedly connected with a dial 29 through a turret switching disc 27.

Further optimizing scheme, the second brake subassembly includes the second cylinder shell 21 with second braking vane 19 rigid coupling, second cylinder shell 21 and second box 32 rigid coupling, installs second outer brake block 20 between second cylinder shell 21 and the second box 32, and sliding connection has cylinder piston 24 in second cylinder shell 21, and cylinder piston 24 rigid coupling has cylinder support ring 23, and cylinder support ring 23 rigid coupling has second inner brake block 22, and second inner brake block 22 can dismantle with second outer brake block 20 and be connected. When the cylinder piston 24 is pushed by the gas or oil pressure, the cylinder piston 24 pushes the cylinder supporting ring 23 to slide, the cylinder supporting ring 23 presses the right second inner brake pad 22 to be tightly attached to the second outer brake pad 20 and the second brake plate 19, and the rotating part stops rotating.

Further optimized, the second rotating assembly comprises a second small helical tooth 38 fixedly connected with the output shaft of the motor 41 through a third expanding sleeve 39, the second small helical tooth 38 is meshed with a second large helical tooth 31, the second large helical tooth 31 is connected with a second cam 34 through a second expanding sleeve 30, a second single rod bearing 33 is mounted on the second turret 26, and the second single rod bearing 33 is embedded in the second cam 34. The second small bevel gear 38, the second large bevel gear 31, the second cam 34, the second single rod bearing 33, the second turret 26, the second turret bearing 25, the turret hub 27, etc. may be converted into rotational movement of the dial 29.

Further optimizing scheme, the support assembly comprises an eccentric ring 40 sleeved with the outer side of an output shaft of a motor 41, the eccentric ring 40 is fixedly connected with a connecting flange 36, the connecting flange 36 is sleeved and fixed on a bearing inner sleeve 42, a bearing seat 44 is arranged on the outer side of the bearing inner sleeve 42, a deep groove ball bearing 43 is arranged between the bearing seat 44 and the bearing inner sleeve 42, one end of the deep groove ball bearing 43 is provided with a bearing end cover 35, and the other end of the deep groove ball bearing is provided with a bearing gland 37. The disk surface switching disk 3 and the connecting flange 36 on the A shaft are fixedly connected with the left side and the right side of the second box body 32, and the rotating action of the disk surface switching disk 3 on the A shaft drives the second box body 32 of the C shaft to rotate; the tailstock portion connecting flange 36 is supported by a bearing inner sleeve 42 on a deep groove ball bearing 43 to assist in supporting the rotational movement of the C-axis integral component.

Adjustment process of the second rotating assembly: the inner ring and the outer ring of the eccentric ring 40 are not concentric, the motor 41 is matched with the spigot of the inner ring of the eccentric ring 40, the outer ring of the eccentric ring 40 is matched with the inner hole of the connecting flange 36, when the eccentric ring 40 rotates in the connecting flange 36, the center of the eccentric ring rotates around the center of the outer ring, namely, the center of the motor 41 is driven to rotate around the center of the connecting flange 36, and the center of the motor 41 (namely, the center of the second small helical tooth 38) has position deviation relative to the center of the second large helical tooth 31 during rotation, so that the gap between the second small helical tooth 38 and the second large helical tooth 31 is adjusted.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims (8)

1. A five-axis turntable of a numerical control machining center is characterized in that: comprising the steps of (a) a step of,

the rotary table comprises an A shaft, wherein the A shaft comprises a first box body (1), a first rotary table (6) is installed in the first box body (1), an inner ring of a first rotary table bearing (5) is fixedly connected to one side of the first rotary table (6), a first fixing component is fixedly connected to an outer ring of the first rotary table bearing (5), a first braking plate (10) and a rotary table lengthening sleeve (9) are fixedly connected to the other side of the first rotary table (6), a first braking component is fixedly connected to the rotary table lengthening sleeve (9), and a motor is fixedly connected to one side of the first box body (1) and is connected with a first rotating component in a driving manner;

the C shaft comprises a second box body (32), a second turret (26) is arranged in the second box body (32), an inner ring of a second turntable bearing (25) is fixedly connected to one side of the second turret (26), a second fixing component is fixedly connected to an outer ring of the second turntable bearing (25), a second braking plate (19) is fixedly connected to the other side of the second turret (26), and a second braking component is fixedly connected to the second braking plate (19);

the tail seat, install motor (41) in the tail seat, motor (41) lateral wall rigid coupling has supporting component, motor (41) transmission is connected with the second rotating assembly, the second rotating assembly is located in the C axle.

2. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the first fixing assembly comprises a bearing outer cover (2) fixedly connected with the outer ring of the first turntable bearing (5), the bearing outer cover (2) is fixedly connected with the first box body (1), and the first turntable (6) is fixedly connected with a five-axis adapter plate (4) through a disc surface adapter plate (3).

3. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the first brake assembly comprises a first cylinder shell (7) fixedly connected with a rotary table lengthening sleeve (9), the first cylinder shell (7) is fixedly connected with a first box body (1), a first outer brake block (12) is arranged between the first cylinder shell (7) and the first box body (1), a brake ring (8) is arranged in the first cylinder shell (7) in a floating mode, a first inner brake block (11) is fixedly connected with the brake ring (8), and the first inner brake block (11) is detachably connected with the first outer brake block (12).

4. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the first rotating assembly comprises a first small helical tooth (17) fixedly connected with the motor output shaft through a fastening ring (18), the first small helical tooth (17) is meshed with a first large helical tooth (14), the first large helical tooth (14) is connected with a first cam (13) through a first expansion sleeve (15), a first single rod bearing (16) is mounted on the first turret (6), and the first single rod bearing (16) is embedded in the first cam (13).

5. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the second fixing assembly comprises a bearing cover (28) fixedly connected with the outer ring of the second turntable bearing (25), the bearing cover (28) is fixedly connected with the second box body (32), and the second turret (26) is fixedly connected with a dial (29) through a turret switching disc (27).

6. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the second brake assembly comprises a second cylinder shell (21) fixedly connected with a second braking plate (19), the second cylinder shell (21) is fixedly connected with a second box body (32), a second outer braking block (20) is arranged between the second cylinder shell (21) and the second box body (32), a cylinder piston (24) is connected in the second cylinder shell (21) in a sliding mode, a cylinder supporting ring (23) is fixedly connected with the cylinder piston (24), a second inner braking block (22) is fixedly connected with the cylinder supporting ring (23), and the second inner braking block (22) is detachably connected with the second outer braking block (20).

7. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the second rotating assembly comprises a second small helical tooth (38) fixedly connected with an output shaft of the motor (41) through a third expansion sleeve (39), the second small helical tooth (38) is meshed with a second large helical tooth (31), the second large helical tooth (31) is connected with a second cam (34) through a second expansion sleeve (30), a second single-rod bearing (33) is mounted on the second turret (26), and the second single-rod bearing (33) is embedded in the second cam (34).

8. The five-axis turntable of a numerically controlled machining center as set forth in claim 1, wherein: the support assembly comprises an eccentric ring (40) sleeved on the outer side of an output shaft of the motor (41), the eccentric ring (40) is fixedly connected with a connecting flange (36), the connecting flange (36) is clamped and fixed on a bearing inner sleeve (42), a bearing seat (44) is arranged on the outer side of the bearing inner sleeve (42), a deep groove ball bearing (43) is arranged between the bearing seat (44) and the bearing inner sleeve (42), a bearing end cover (35) is arranged at one end of the deep groove ball bearing (43), and a bearing gland (37) is arranged at the other end of the deep groove ball bearing.