Rotary table of numerical control machining center

Abstract

The utility model discloses a rotary table of a numerical control machining center, which comprises a base and a platform which are arranged in a working area of the numerical control machining center, the platform comprises a top plate and a side wall, a honeycomb structure is integrally formed in the side wall, the center of the honeycomb structure is provided with a shaft center, a power mechanism is arranged in the base, and the output end of the power mechanism is connected with the platform. According to the rotary table of the numerical control machining center, by arranging the platform with the interior of the honeycomb structure, the structure of the workbench is optimized, the size of the workbench is reduced, the static rigidity is improved, the bearing capacity is enhanced, the inherent frequency is improved, the resonance phenomenon is reduced, and the dynamic performance is improved; the servo motor is directly connected with the platform, so that the response speed is increased and the transmission error is reduced; by arranging the electric sliding rail adopting the static pressure guide rail technology, the stability of the moving platform can be enhanced, errors caused by friction and abrasion are reduced, and the rotating precision and the bearing capacity are improved.

Description

Technical Field

[0001] The utility model relates to the field of woodworking numerical control rotary table equipment, and specifically relates to a rotary table of a numerical control machining center. Background Technique

[0002] In the process of wooden door production, the rotary table of a numerical control machining center is an important component. It allows the machine tool to perform multi-angle positioning during the machining process, which is particularly important for machining wooden door parts with complex shapes. It realizes multi-angle machining through precise control, improving production efficiency and product quality.

[0003] The patent document with the Chinese patent publication number CN220516042U has an authorization publication date of February 23, 2024. It discloses a numerical control rotary worktable. This application includes a base, a platform is provided on the upper end surface of the base, a rotation hole is provided on the upper end surface of the platform, a housing is provided on one side wall of the base, a motor is provided inside the housing, a through hole is provided at the center of one side wall of the housing, two air blowers are arranged vertically in the through hole, the output end of the motor sequentially penetrates through one inner side wall of the housing and one side wall of the base and leads to the inside of the base, and the end is fixedly connected to a guide rod. A clamping seat is sleeved on the outer side wall of the guide rod, a rotator is provided inside the rotation hole, and a plurality of teeth are arranged in a circular array on the lower end surface of the rotator. High-precision measuring devices are sleeved on both sides near the center of the outer side wall of the guide rod. In the utility model, by providing support and guiding force around the guide rod, the guide rod remains stable when rotating inside the bearing, avoiding shaking and deviation. The bearing reduces friction and wear, enabling it to rotate with high precision and high speed.

[0004] It can be seen from the above application that the vibration amplitude of the existing numerical control rotary table during resonance will make the whole unstable, and the thermal deformation after a long running time will affect the dynamic characteristics, reducing the dynamic performance of the overall structure. Therefore, a rotary table of a numerical control machining center is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a rotary table of a numerical control machining center. By setting a platform with a honeycomb structure inside, the structure of the worktable is optimized, the volume of the worktable is reduced, the static stiffness is improved, the bearing capacity is enhanced, its natural frequency is increased, the resonance phenomenon is reduced, and the dynamic performance is improved.

[0006] To achieve the above purpose, the main technical solution adopted by the utility model: a rotary table of a numerical control machining center, including: a base and a platform installed in the working area of the numerical control machining center. The platform includes a top plate and side walls, a honeycomb structure is integrally formed inside the side walls, a shaft center is provided at the center of the honeycomb structure, a power mechanism is provided inside the base, and the output end of the power mechanism is connected to the platform.

[0007] Preferably, the power mechanism includes a servo motor, and the output end of the servo motor is directly installed at the bottom end of the shaft center.

[0008] Preferably, an electric slide rail is provided at the bottom of the base, a track is provided on the electric slide rail, and the bottom of the base is installed on the track.

[0009] Preferably, the electric slide rail is a hydrostatic guide rail.

[0010] Preferably, the number of the tracks is two, and the bottom of the base is installed on the two tracks.

[0011] Preferably, a protective ring is provided on the inner circle of the base close to the platform.

[0012] Preferably, a cooling fan and a dust-proof plate are installed on the base. The dust-proof plate is a perforated mesh plate, and the dust-proof plate is on the side opposite to the cooling fan.

[0013] Preferably, two cooling fans and two dust-proof plates are installed, and they are distributed on both sides of the base.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] For the rotary table of the present numerical control machining center, by setting a platform with a honeycomb structure inside, the structure of the workbench is optimized, the volume of the workbench is reduced, the static stiffness is improved, the load-bearing capacity is enhanced, the natural frequency is increased, the resonance phenomenon is reduced, and the dynamic performance is improved; by setting a servo motor directly connected to the platform, the response speed is increased and the transmission error is reduced; by setting an electric slide rail with hydrostatic guide rail technology, the stability of the moving platform can be enhanced, the error caused by friction and wear can be reduced, and the rotation accuracy and load-bearing capacity can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional schematic diagram of the rotary table of the numerical control machining center of the present utility model;

[0017] Figure 2 is a top view schematic diagram of the rotary table of the numerical control machining center of the present utility model;

[0018] Figure 3 is a side view sectional schematic diagram of the rotary mechanism in the rotary table of the numerical control machining center of the present utility model;

[0019] Figure 4 is a top view sectional schematic diagram of the platform in the rotary table of the numerical control machining center of the present utility model.

[0020] In the figure: 10, base; 11, protective ring; 12, cooling fan; 13, dust-proof plate; 20, platform; 201, side wall; 202, honeycomb structure; 203, shaft center; 21, top plate; 30, servo motor; 40, electric slide rail; 41, track. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0022] Refer to Figures 1-4 , this embodiment provides a rotary table of a numerical control machining center, including: a base 10 and a platform 20 installed in the working area of the numerical control machining center. A protective ring 11 is provided on the inner ring of the base 10 close to the platform 20. The platform 20 includes a top plate 21 and a side wall 201. A honeycomb structure 202 is integrally formed inside the side wall 201. The center of the honeycomb structure 202 is provided with a shaft center 203. A power mechanism is provided inside the base 10, and the output end of the power mechanism is connected to the platform 20. The power mechanism includes a servo motor 30, and the output end of the servo motor 30 is directly installed at the bottom end of the shaft center 203 to improve the response speed and reduce the transmission error;

[0023] An electric slide rail 40 is provided at the bottom of the base 10, and a track 41 is provided on the electric slide rail 40. The bottom of the base 10 is installed on the track 41. The electric slide rail 40 is a hydrostatic guide rail. The number of tracks 41 is two, and the bottom of the base 10 is installed on the two tracks 41, which can enhance the stability of the moving platform 20, reduce the error caused by friction and wear, and improve the rotation accuracy and bearing capacity;

[0024] A cooling fan 12 and a dust-proof plate 13 are installed on the base 10. The dust-proof plate 13 is a perforated mesh plate. The dust-proof plate 13 is on the side opposite to the cooling fan 12. Both the cooling fan 12 and the dust-proof plate 13 are installed in two, distributed on both sides of the base 10, enhancing the heat dissipation performance of the servo motor 30.

[0025] Structural principle:

[0026] As Figures 1-4 shown, the electric slide rail 40 of the hydrostatic guide rail technology controls the stable movement of the platform 20, and the servo motor 30 directly controls the movement of the platform 20, improving the response speed and reducing the transmission error. When the platform 20 is running, the honeycomb structure 202 increases its natural frequency and reduces the resonance phenomenon, effectively improving the performance.

[0027] In summary, for the rotary table of this CNC machining center, by setting the platform 20 with a honeycomb structure 202 inside, the structure of the workbench is optimized, the volume of the workbench is reduced, the static stiffness is improved, the load-bearing capacity is enhanced, its natural frequency is increased, the resonance phenomenon is reduced, and the dynamic performance is improved; by setting the servo motor 30 directly connected to the platform 20, the response speed is increased and the transmission error is reduced; by setting the electric slide rail 40 with hydrostatic guide technology, the stability of the moving platform 20 can be enhanced, the error caused by friction and wear can be reduced, and the rotation accuracy and load-bearing capacity can be improved.

[0028] Parts not involved in the present utility model are the same as or can be implemented by using the prior art. Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rotary table of a CNC machining center, characterized in that: include: A base (10) and a platform (20) are installed in a working area of ​​a numerical control machining center, wherein the platform (20) comprises a top plate (21) and a side wall (201), a honeycomb structure (202) is integrally formed in the side wall (201), an axis center (203) is provided at the center of the honeycomb structure (202), a power mechanism is provided in the base (10), and an output end of the power mechanism is connected to the platform (20).

2. The rotary table of a CNC machining center according to claim 1, characterized in that: The power mechanism comprises a servo motor (30), and the output end of the servo motor (30) is directly mounted on the bottom end of the shaft center (203).

3. The rotary table of a CNC machining center according to claim 1, characterized in that: An electric slide rail (40) is provided at the bottom of the base (10), a track (41) is provided on the electric slide rail (40), and the bottom of the base (10) is mounted on the track (41).

4. The rotary table of a CNC machining center according to claim 3, characterized in that: The electric slide rail (40) is a static pressure guide rail.

5. The rotary table of a CNC machining center according to claim 3, characterized in that: There are two rails (41), and the bottom of the base (10) is installed on the two rails (41).

6. The rotary table of a CNC machining center according to claim 1, characterized in that: The base (10) is provided with a protective ring (11) on the inner circle close to the platform (20).

7. The rotary table of a CNC machining center according to claim 1, characterized in that: A cooling fan (12) and a dustproof plate (13) are installed on the base (10); the dustproof plate (13) is a mesh plate with holes; and the dustproof plate (13) is on the side opposite to the cooling fan (12).

8. The rotary table of a CNC machining center according to claim 7, characterized in that: Two of the heat dissipation fans (12) and two of the dustproof plates (13) are installed and distributed on both sides of the base (10).

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