Stand column of numerical control machine tool

Abstract

The utility model belongs to the field of numerical control machining and relates to a stand column of a numerical control machine tool. The stand column of the numerical control machine tool comprises a base and a column body, the column body is fixed to the base, a mounting groove used for mounting a lead screw is formed in one side of the column body in the vertical direction, a cavity is formed in the column body in the vertical direction, a plurality of cross-shaped reinforcing ribs are arranged in the cavity in the vertical direction, and the cross-shaped reinforcing ribs are connected with the inner wall of the cavity. The cross-shaped reinforcing ribs are arranged in the cavity of the column body, and the stability and the safety of the whole structure are remarkably improved by increasing the bending resistance, the torsion resistance and the shearing strength of the structure at the stressed part.

Description

Technical Field

[0001] The present application belongs to the field of numerical control machining and relates to a column of a numerical control machine tool. Background Art

[0002] The column of a CNC machine tool plays a vital role in the machine tool, and it has a significant impact on the stability, precision and processing capacity of the entire machine tool.

[0003] Patent CN115156932B discloses a CNC double-column machining center, including a main bed and a sub-bed. A clamping assembly is arranged on the main bed. Two sub-beds are arranged on the front and rear sides of the main bed respectively. Positioning seats are fixed on the front and rear sides of the main bed. A mounting seat cooperating with the positioning seat is arranged on the side of the sub-bed close to the main bed. An equipment cavity with an opening at the lower end is provided inside the sub-bed. A driving cavity connected to the equipment cavity is provided in the mounting seat. A threaded column is rotatably connected in the driving cavity. The lower end of the threaded column extends to the bottom of the mounting seat. A threaded hole cooperating with the threaded column is provided on the positioning seat. A base is slidably connected to the inside of the equipment cavity. A plurality of moving wheels are provided on the lower side of the base. A lifting mechanism is provided on the upper side of the base. A driven sprocket is fixed on the outer periphery of the threaded column, and the driven sprocket is connected to the lifting mechanism.

[0004] However, the columns of the above-mentioned machining center have a hollow structure inside and have low overall strength. Utility Model Content

[0005] In order to improve the strength of a column, the present application provides a column for a CNC machine tool.

[0006] The column of a CNC machine tool provided in this application adopts the following technical solution:

[0007] A column for a numerically controlled machine tool comprises a base and a column body, wherein the column body is fixed on the base, a mounting groove for mounting a screw rod is provided on one side of the column body along the vertical direction, a cavity is provided in the column body along the vertical direction, a plurality of cross reinforcing ribs are provided in the cavity along the vertical direction, and the cross reinforcing ribs are connected to the inner wall of the cavity.

[0008] By adopting the above technical solution, the column can be fixed to the bed of the CNC machine tool through the base, and the screw is installed in the mounting groove of the column to drive the tool to rise and fall. Cross reinforcement ribs are arranged in the cavity of the column. By increasing the bending, torsional and shear strength of the structure at the stress-bearing part, the stability and safety of the overall structure are significantly improved.

[0009] Preferably, a frame-shaped reinforcement rib is provided between two adjacent cross reinforcement ribs, the upper end of the frame-shaped reinforcement rib is connected to the upper cross reinforcement rib, and the lower end of the frame-shaped reinforcement rib is connected to the lower cross reinforcement rib.

[0010] By adopting the above technical solution, after a frame-shaped reinforcement rib is provided between two adjacent cross reinforcement ribs, the overall strength of the column can be improved.

[0011] Preferably, there are four frame-shaped reinforcement ribs between two adjacent cross reinforcement ribs, the inner sides of the four frame-shaped reinforcement ribs are connected to each other, and the inner sides of two adjacent frame-shaped reinforcement ribs are vertically arranged.

[0012] By adopting the above technical solution, four frame-shaped reinforcement ribs are arranged between two adjacent cross reinforcement ribs, which can further improve the stability of the cross reinforcement ribs and thus improve the strength of the column.

[0013] Preferably, two adjacent end points of the cross reinforcement rib are connected by an auxiliary reinforcement rib, and one side of the auxiliary reinforcement rib is connected to the cavity wall of the cavity.

[0014] By adopting the above technical solution, the cross reinforcement ribs cooperate with the auxiliary reinforcement ribs to improve the overall strength of the column.

[0015] Preferably, a strip-shaped groove is provided on a side of the column facing away from the mounting groove, and the strip-shaped groove is arranged along the vertical direction of the column.

[0016] By adopting the above technical solution, a strip-shaped groove is provided on the side of the column facing away from the installation groove, so that the side is convex inward, thereby improving the strength of the column.

[0017] Preferably, weight-reducing holes are provided on both sides of the column, and weight-reducing holes are also provided on the bottom of the mounting groove and the bottom of the strip-shaped groove.

[0018] By adopting the above technical solution, the column body is provided with weight-reducing holes, which can reduce the overall weight of the column.

[0019] Preferably, the base is connected to the side wall of the column, the base has an inner cavity, the inner cavity is provided with side reinforcing ribs, the side reinforcing ribs are connected to the cavity wall of the inner cavity, and the side reinforcing ribs are connected to auxiliary reinforcing ribs.

[0020] By adopting the above technical solution, the base is provided with side reinforcing ribs, which can improve the strength of the base, and at the same time, connected with the auxiliary reinforcing ribs, which can improve the connection strength between the base and the column.

[0021] Preferably, the column further comprises a fixing seat for fixing the tool changing assembly, the fixing seat is fixed to one side of the column, and a reinforcing plate is arranged between the fixing seat, the column and the base.

[0022] By adopting the above technical solution, the tool changing assembly is fixed on the column through the fixing seat, thereby improving the accuracy of the tool changing assembly when changing tools, and the reinforcing plate can improve the connection strength between the fixing seat and the column.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. Cross reinforcement ribs are arranged in the cavity of the column, which significantly improve the stability and safety of the overall structure by increasing the bending, torsion and shear strength of the structure at the stress-bearing part;

[0025] 2. A strip groove is provided on the side of the column facing away from the installation groove, so that the side bulges inward, thereby improving the strength of the column. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application.

[0027] Figure 2 It is a top view of an embodiment of the present application.

[0028] Figure 3 It is a rear view of an embodiment of the present application.

[0029] Figure 4 yes Figure 2 Section view along line AA.

[0030] Figure 5 yes Figure 2 Sectional view along line BB.

[0031] Figure 6 yes Figure 2 Sectional view along the CC line.

[0032] Explanation of the reference numerals in the accompanying drawings: 1. base; 11. inner cavity; 2. column; 21. mounting groove; 211. mounting plate; 212. limit block; 22. strip groove; 23. weight-reducing hole; 24. cavity; 3. cross reinforcement rib; 4. frame reinforcement rib; 5. auxiliary reinforcement rib; 6. side reinforcement rib; 7. fixing seat; 8. reinforcement plate. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-6 This application is described in further detail.

[0034] like Figure 1 , Figure 2 As shown, the column of the CNC machine tool includes a base 1 and a column 2. The column 2 is fixed on the base 1. One side of the column 2 is provided with a mounting groove 21 for mounting a screw rod in the vertical direction.

[0035] Specifically, a mounting plate 211 is disposed in the mounting groove 21 , and a mounting hole is formed in the mounting plate 211 , through which a screw rod of a numerically controlled machine tool can pass, and the two are rotatably matched.

[0036] In this embodiment, there are two mounting plates 211 , which are disposed at the top of the mounting groove 21 , and two limiting blocks 212 are spaced apart at the bottom of the mounting groove 21 .

[0037] like Figure 1 , Figure 3 As shown, a strip groove 22 is formed on one side of the column 2 facing away from the mounting groove 21 . The strip groove 22 is arranged along the vertical direction of the column 2 and is located directly behind the mounting groove 21 .

[0038] The strip-shaped groove 22 makes the back side of the column 2 bulge inwards, thereby improving the overall strength.

[0039] Weight-reducing holes 23 are provided on both sides of the column 2, and weight-reducing holes 23 are also provided at the bottom of the installation groove 21 and the bottom of the strip groove 22, so as to reduce the overall weight of the column.

[0040] like Figure 4 , Figure 5 As shown, a cavity 24 is provided in the column 2 along the vertical direction, and a plurality of cross reinforcing ribs 3 are provided in the cavity 24 along the vertical direction, and the cross reinforcing ribs 3 are connected to the inner wall of the cavity 24 .

[0041] The cross reinforcement rib 3 can be formed integrally with the column 2, or connected by welding or other methods.

[0042] Preferably, a frame-shaped reinforcement rib 4 is provided between two adjacent cross reinforcement ribs 3 , the upper end of the frame-shaped reinforcement rib 4 is connected to the upper cross reinforcement rib 3 , and the lower end of the frame-shaped reinforcement rib 4 is connected to the lower cross reinforcement rib 3 .

[0043] In this embodiment, there are four frame-shaped reinforcing ribs 4 between two adjacent cross reinforcing ribs 3, the inner sides of the four frame-shaped reinforcing ribs 4 are connected to each other, and the inner sides of two adjacent frame-shaped reinforcing ribs 4 are vertically arranged, and the overall cross-section of the inner sides of the four frame-shaped reinforcing ribs 4 is cross-shaped.

[0044] As another solution, the number of the frame-shaped reinforcement ribs 4 can be adjusted according to actual needs, but they need to be evenly distributed.

[0045] like Figure 4 , Figure 5 As shown, two adjacent end points of the cross reinforcement rib 3 are connected by an auxiliary reinforcement rib 5 , and one side of the auxiliary reinforcement rib 5 is connected to the cavity wall of the cavity 24 , which is adapted to the cross-sectional shape of the column 2 .

[0046] like Figure 1 , Figure 6 As shown, the base 1 is connected to the side wall of the column 2 .

[0047] In this embodiment, the base 1 can be regarded as two base bodies, which are respectively fixed on two sides of the column 2.

[0048] The base 1 has an inner cavity 11, which is connected to the cavity 24 of the column 2. The inner cavity 11 of the base 1 is provided with a side reinforcing rib 6, which is connected to the cavity wall of the inner cavity 11 and is connected to the auxiliary reinforcing rib 5. The connection strength between the base 1 and the column 2 is improved.

[0049] like Figure 1 , Figure 2 As shown, the column also includes a fixed seat 7 for fixing the tool changing assembly. The fixed seat 7 is fixed to one side of the column 2. A reinforcing plate 8 is arranged between the fixed seat 7, the column 2 and the base 1. The reinforcing plate 8 is in a triangular plate shape. One right-angled side of the reinforcing plate 8 is connected to the column 2. The right-angled side is also provided with an extension part connected to the base 1. The other right-angled side of the reinforcing plate 8 is connected to the fixed seat 7 to support the fixed seat 7.

[0050] The working principle of this embodiment is as follows: a cross reinforcement rib 3 is arranged in the cavity 24 of the column 2 to increase the bending, torsional and shear strength of the structure at the stress-bearing part. The strip groove 22 on the back of the column 2 makes the back of the column 2 bulge inward, thereby improving the overall strength.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A column for a CNC machine tool, characterized in that: The invention comprises a base (1) and a column (2), wherein the column (2) is fixed on the base (1), a mounting groove (21) for mounting a screw rod is provided on one side of the column (2) along the vertical direction, a cavity (24) is provided in the column (2) along the vertical direction, a plurality of cross reinforcing ribs (3) are provided in the cavity (24) along the vertical direction, and the cross reinforcing ribs (3) are connected to the inner wall of the cavity (24); A frame-shaped reinforcement rib (4) is provided between two adjacent cross reinforcement ribs (3); the upper end of the frame-shaped reinforcement rib (4) is connected to the upper cross reinforcement rib (3), and the lower end of the frame-shaped reinforcement rib (4) is connected to the lower cross reinforcement rib (3).

2. The column of the CNC machine tool according to claim 1, characterized in that: There are four frame-shaped reinforcement ribs (4) between two adjacent cross reinforcement ribs (3), the inner sides of the four frame-shaped reinforcement ribs (4) are connected to each other, and the inner sides of two adjacent frame-shaped reinforcement ribs (4) are arranged vertically.

3. The column of the CNC machine tool according to claim 2, characterized in that: Two adjacent end points of the cross reinforcing rib (3) are connected via an auxiliary reinforcing rib (5), and one side of the auxiliary reinforcing rib (5) is connected to the cavity wall of the cavity (24).

4. The column of the CNC machine tool according to claim 1, characterized in that: A strip-shaped groove (22) is provided on a side of the column (2) facing away from the installation groove (21), and the strip-shaped groove (22) is arranged along the vertical direction of the column (2).

5. The column of the CNC machine tool according to claim 4, characterized in that: Weight-reducing holes (23) are provided on both sides of the column (2), and weight-reducing holes (23) are also provided on the bottom of the installation groove (21) and the bottom of the strip-shaped groove (22).

6. The column of the CNC machine tool according to claim 3, characterized in that: The base (1) is connected to the side wall of the column (2); the base (1) has an inner cavity (11); side reinforcing ribs (6) are arranged in the inner cavity (11); the side reinforcing ribs (6) are connected to the cavity wall of the inner cavity (11); and the side reinforcing ribs (6) are connected to the auxiliary reinforcing ribs (5).

7. The column of a numerically controlled machine tool according to claim 1, characterized in that: The column also includes a fixing seat (7) for fixing the tool changing assembly, wherein the fixing seat (7) is fixed to one side of the column (2), and a reinforcing plate (8) is provided between the fixing seat (7), the column (2) and the base (1).

Images