CN207807127U - A kind of machining center pedestal - Google Patents

Abstract

The utility model provides a base of a machining center, comprising a base, a saddle and a column arranged on the base, the base is provided with a first driving screw rod, and the base is provided with the first driving screw rod as The center axis is symmetrically provided with several first line rails, and a first slider is arranged between the first line rails and the saddle, and the first slider is connected to the first driving screw, and the saddle A second driving screw is arranged on the saddle, and a second line rail is symmetrically arranged on the saddle with the second driving screw as the central axis. The second driving screw, the column is provided with a third driving screw perpendicular to the bottom surface of the base, the column is symmetrically provided with a third line rail with the third driving screw as the central axis, the first Several second sliders are arranged on the three-line rail, and the second sliders are connected to the third driving screw. The utility model can maintain the high precision and stability of the machine tool for a long time and stably.

Description

A machining center base

technical field

The utility model belongs to the technical field of machine tool processing, in particular to a base of a machining center.

Background technique

The design of the machine tool base of similar small vertical machining centers in the same industry as modern machine tools is mostly the design of two linear tracks.

All the moving weight and supporting force of the X and Y axes of the machine tool with this structure rely on the base, and the base is connected to the column part of the machine tool at the same time, which is equivalent to the foundation part of the house. Therefore, machine tool manufacturers in the same industry will increase the casting of the base Thick, reinforced ribs are dense to ensure the rigidity of the machine tool, but it will increase the weight of the base, increase the difficulty of casting, directly or indirectly increase the cost, and the base structure of the two guide rails will lead to the maintenance and stability of the machine tool accuracy Lower and overall less rigid.

Utility model content

The purpose of the utility model is to provide a machining center base, which can maintain the high precision and stability of the machine tool for a long time and stably.

The utility model provides the following technical solutions:

A machining center base, comprising a base, a saddle and a column arranged on the base, the base is provided with a first driving screw, and the base is symmetrically arranged with the first driving screw as the central axis. There are several first line rails, a first slider is provided between the first line rail and the saddle, the first slider is connected to the first driving screw, and the saddle is provided with a first Two driving screw rods, the saddle is provided with a second line rail symmetrically with the second driving screw rod as the central axis, a worktable is arranged on the second line rail, and the workbench is connected to the second driving wire Rod, the column is provided with a third drive screw perpendicular to the bottom surface of the base, the column is symmetrically provided with a third line rail with the third drive screw as the center axis, and the third line track is perpendicular to On the bottom surface of the base, a plurality of second sliders are arranged on the third line rail, and the second sliders are connected to the third driving screw.

Preferably, one end of the first driving screw is provided with a first servo motor, and the first servo motor is connected to the first slider.

Preferably, a limiting block is provided on the base between the ends of the first line track.

Preferably, one end of the second driving screw is provided with a second servo motor, and the second servo motor is connected to the worktable.

Preferably, one end of the third driving screw is provided with a third servo motor, and the third servo motor is connected to the second slider.

Preferably, a fixing bolt is provided between the upright post and the base, and the upright post is fixed on the base through the fixing bolt.

Preferably, several reinforcing ribs and fixing grooves are provided on the base.

The beneficial effects of the utility model are: the base is symmetrically provided with several different line rail slides, which greatly strengthens the bearing capacity of the machine base, and the force is more uniform and reasonable; It ensures that the saddle and workbench on the base are supported by the full stroke when moving, thereby improving the durability and stability of the machine tool precision, enabling the machine tool to meet heavy-duty cutting, and at the same time to process precision workpieces, and The improved rail base does not increase the cost of the machine tool, the appearance is indeed more symmetrical and beautiful, and the rigidity is enhanced, thereby improving its stability.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a structural representation of the utility model;

Marked in the figure: 1. base; 11. first line rail; 111. first slider; 12. first drive screw; 121. first servo motor; 13. limit block; 14. rib; 15 .Fixed slot; 2. Saddle; 21. Second line rail; 22. Second drive screw; 221. Second servo motor; 3. Workbench; 4. Column; 41. Third line rail; 411. Second slide Block; 42. the third driving screw; 421. the third servo motor; 43. fixing bolts.

Detailed ways

As shown in Figure 1, a base of a machining center includes a base 1, a saddle 2 and a column 4 arranged on the base 1, the base 1 is provided with a first driving screw 12, and the base 1 is provided with a first driving screw 12. 12 is that the central axis is symmetrically provided with several first line rails 11, and a first slider 111 is arranged between the first line rail 11 and the saddle 2, and the first slider 11 is connected with the first driving screw 12, and the first driving wire One end of the rod 12 is provided with a first servo motor 121, the first servo motor 121 is connected to the first slide block 111, and the base 1 between the ends of the first line rail 11 is provided with a limit block 13 for limiting the saddle 2 The position of the slide. The saddle 2 is provided with a second driving screw 22, and the saddle 2 is symmetrically provided with a second line rail 21 with the second driving screw 22 as the central axis. The second line rail 21 is provided with a workbench 3, and the workbench 3 is connected to The second driving screw 22 , one end of the second driving screw 22 is provided with a second servo motor 221 , and the second servo motor 211 is connected to the workbench 3 . The column 4 is provided with a third driving screw 42 perpendicular to the bottom surface of the base 1, and the column 4 is provided with a third line rail 41 symmetrically with the third driving screw 42 as the central axis, and the third line rail 41 is perpendicular to the bottom surface of the base 1. The third line rail 41 is provided with a plurality of second sliders 411, the second sliders 411 are connected to the third driving screw 42, and one end of the third driving screw 42 is provided with a third servo motor 421, and the third servo motor 421 is connected to the third driving screw 42. Two sliders 411. Further, a fixing bolt 43 is provided between the column 4 and the base 1, the column 4 is fixed on the base 1 by the fixing bolt 43, and the base 1 is provided with a number of reinforcing ribs 14 and fixing grooves 15 for fixing and strengthening the strength of the base 1 and stability.

As shown in Figure 1, a machining center base is used as an example with four first line rails 11: the four-line rail structure base includes the base 1, and the top of the base 1 is designed with four first line rails 11, It can be slidably connected with the saddle 2 at the bottom of the workbench 3 , and the column 4 is fixedly connected with the rear end of the base 1 . The four first line rails 11 are arranged symmetrically with the first driving screw 12 as the central axis, which widens the span of the line rails, and the ribs 14 and wall thickness of the base 1 do not need to be very thick. Using this four-line rail structure The rigidity and load-bearing of the base 1 will be greatly improved, and the saddle 2 (Y-axis) of the machine tool and the table 3 (X-axis) of the machine tool will run stably on the base 1, and the support of the column 4 (Z-axis) will be stable It has also been improved, and it is not easy to generate vibration during machining, maintaining excellent rigidity and precision. Moreover, the multi-line rail structure added to the base 1 of this structure is lighter than the base with increased wall thickness, which improves the quality of the device without incurring additional costs, that is, the multi-line rails more effectively increase the operating accuracy and improve The precision of processing is improved.

The above description is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it can still understand the aforementioned The technical solutions described in each embodiment are modified, or some of the technical features are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (7)

1. A machining center base, characterized in that it comprises a base and a saddle and a column arranged on the base, the base is provided with a first driving screw mandrel, and the base is connected with the first driving wire The rod is symmetrically provided with a number of first line rails for the central axis, and a first slider is provided between the first line rail and the saddle, and the first slider is connected to the first driving screw rod. A second driving screw is provided on the saddle, and a second line rail is arranged on the saddle symmetrically with the second driving screw as the central axis, and a workbench is arranged on the second line rail, and the workbench is connected to For the second driving screw, the column is provided with a third driving screw perpendicular to the bottom surface of the base, and the column is symmetrically provided with a third line rail with the third driving screw as the central axis, so The third line track is perpendicular to the bottom surface of the base, and a plurality of second sliders are arranged on the third line track, and the second sliders are connected to the third driving screw. 2 . The machining center base according to claim 1 , wherein a first servo motor is provided at one end of the first driving screw, and the first servo motor is connected to the first slider. 3 . 3 . The machining center base according to claim 1 , wherein a limiting block is provided on the base between the ends of the first line rail. 4 . 4 . The machining center base according to claim 1 , wherein a second servo motor is provided at one end of the second driving screw, and the second servo motor is connected to the workbench. 5 . The machining center base according to claim 1 , wherein a third servo motor is provided at one end of the third driving screw, and the third servo motor is connected to the second slider. 6 . The machining center base according to claim 1 , wherein a fixing bolt is provided between the upright column and the base, and the upright column is fixed on the base through the fixing bolt. 7. A machining center base according to claim 1, characterized in that, the base is provided with several reinforcing ribs and fixing grooves.