Inclined hole machining method based on four-axis machine tool

Abstract

The invention discloses an inclined hole machining method based on a four-axis machine tool, and relates to the technical field of machine tool machining, and the inclined hole machining method comprises the steps that an additional tool is hoisted to a horizontal four-axis machine tool workbench, the additional tool is fixedly connected with a B-axis mounting plate, an additional A-axis is hoisted to the top of the additional tool, the additional A-axis is fixedly connected with the additional tool, and a B-axis mounting plate is fixedly connected with the additional tool; the additional shaft A is fixedly connected with a machine tool shaft B mounting plate at a certain angle, the end cover part is fixedly mounted on the additional shaft A, so that the machine tool can drill inclined holes with certain angles and depths in the end cover part, and after the characteristic of one inclined hole is machined, the additional shaft A is rotated to machine the next characteristic until all the inclined holes of the part are machined; according to the deep inclined hole machining method, deep inclined hole machining can be achieved only through the universal horizontal four-axis machine tool without depending on five-axis deep hole drilling equipment, and high practical value is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool processing, and in particular to an inclined hole processing method based on a four-axis machine tool. Background Art

[0002] The cover parts of large vacuum chambers usually have some deep hole features with a large diameter-to-length ratio for heat dissipation. The depth of the deep holes often exceeds 1200mm. With the improvement of technology and the improvement of solutions, more and more deep hole features present a specific angle other than 90° with the bottom surface of the cavity cover. Due to their large diameter-to-length ratio and the angle of the features, companies cannot effectively process such deep hole features without five-axis deep hole drilling equipment.

[0003] Based on the above, the inventors found that the following problems exist: the current four-axis machine tools cannot directly meet the conditions for deep inclined hole processing. Therefore, in order to increase the utilization efficiency of machine tools, reduce processing costs, effectively alleviate the pressure of purchasing bottleneck equipment in the processing process, and alleviate the pressure of five-axis deep hole drilling equipment, it is necessary to propose an inclined hole processing method based on a four-axis machine tool.

[0004] Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a method for processing inclined holes based on a four-axis machine tool is provided, in order to achieve a more practical purpose. Summary of the invention

[0005] The purpose of the present invention is to provide a method for processing inclined holes based on a four-axis machine tool to solve the problems raised in the above-mentioned background technology.

[0006] A method for machining an inclined hole based on a four-axis machine tool, the method comprising the following steps: S1. Hoist the additional tooling onto the workbench of the horizontal four-axis machine tool, and fix the additional tooling to the B-axis mounting plate, hoist the additional A-axis to the top of the additional tooling, and fix the additional A-axis to the additional tooling, so as to fix the additional A-axis to the B-axis mounting plate of the machine tool at a certain angle; S2, electrically connecting the additional A-axis to the horizontal four-axis machine tool control center, and performing rotation control on the additional A-axis through the A-axis coordinate rotation instruction in the control program of the horizontal four-axis machine tool control center; S3. The end cover part is fixedly mounted on the additional A-axis so that the machine tool can drill an oblique hole with a certain angle and depth on the end cover part. After one oblique hole feature is processed, the additional A-axis is rotated to process the next feature until all the oblique holes of the part are processed; S4. Remove the end cover parts from the additional A-axis, and repeat S3 and S4 until all the end cover parts are processed.

[0007] Furthermore, the additional tooling includes an installation tooling, a fixing block is provided on the outer side of the bottom of the installation tooling, and a fixing hole is opened at one end of the fixing block.

[0008] By adopting the above technical solution, a fixing block is provided on the outer side of the bottom of the installation tool, and a fixing hole is opened at one end of the fixing block, which is convenient for passing the T-bolt through the fixing hole, thereby facilitating the fixed installation of the additional tool.

[0009] Furthermore, a T-bolt is inserted into the fixing hole, and the T-bolt is fixedly connected to the B-axis mounting plate.

[0010] By adopting the above technical solution, the additional tooling is fixedly connected to the B-axis mounting plate through T-bolts, which facilitates the fixed connection between the additional tooling and the B-axis mounting plate.

[0011] Furthermore, a positioning installation groove is provided on the top of the installation tool, and installation screw holes are provided at four corners of the positioning installation groove.

[0012] By adopting the above technical solution, mounting screw holes are opened at the four corners of the positioning mounting groove, so that the additional A-axis is conveniently fixedly connected to the additional tooling.

[0013] Furthermore, the additional A-axis includes a turntable mechanism, a fixed disk is fixedly installed at the output end of the turntable mechanism, and a mounting slot hole is opened on the top of the fixed disk.

[0014] By adopting the above technical solution, a mounting slot hole is opened on the top of the fixing plate, which facilitates the fixed connection between the end cover part and the additional A-axis.

[0015] Furthermore, a positioning block is provided at the bottom of the turntable mechanism, and the positioning block is engaged with the positioning installation groove.

[0016] By adopting the above technical solution, the positioning block is engaged with the positioning installation groove, which facilitates the rapid positioning of the additional A-axis and the rapid installation of the additional A-axis.

[0017] Furthermore, the positioning block is provided with mounting holes at four corners, fixing screws are inserted into the mounting holes, and the fixing screws are threadedly connected to the mounting screw holes.

[0018] By adopting the above technical solution, a fixing screw is inserted through the inside of the mounting hole, and the fixing screw is threadedly connected to the mounting screw hole, so that the additional A-axis and the additional tooling can be firmly fixedly connected.

[0019] Furthermore, the end cover part includes a part to be processed, and an inclined hole is opened on the surface of the part to be processed.

[0020] By adopting the above technical solution, inclined holes are opened on the surface of the part to be processed, so as to improve the heat dissipation performance of the end cover part.

[0021] Compared with the prior art, the beneficial effects of the present invention are: it can realize the processing of deep inclined holes without relying on five-axis deep hole drilling equipment, and only uses the general horizontal four-axis machine tool; it can make full use of the longer Z-axis stroke of the horizontal four-axis machine tool to drill deep holes for the end cover parts, and the fast clamping and alignment of the end cover parts can effectively improve work efficiency, and expand the four-axis horizontal machining center into a dual four-axis directional deep hole machining center. On the premise of not reducing the versatility of the machine tool equipment, it effectively alleviates the pressure of purchasing bottleneck equipment in the processing process, and has high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the installation three-dimensional structure of the additional A-axis of the present invention; Figure 2 This is an exploded schematic diagram of the installation of the additional A-axis of the present invention; Figure 3 An exploded view of the A-axis is attached to the present invention; Figure 4 An exploded view of the additional tooling of the present invention; Figure 5 It is a cross-sectional view of the end cover part of the present invention.

[0023] In the figure: 101, B-axis mounting plate; 102, additional tooling; 10201, mounting tooling; 10202, positioning mounting slot; 10203, mounting screw hole; 10204, fixing block; 10205, fixing hole; 10206, T-bolt; 103, additional A-axis; 10301, turntable mechanism; 10302, fixing plate; 10303, mounting slot hole; 10304, positioning block; 10305, mounting hole; 10306, fixing screw; 104, end cover part; 10401, part to be processed; 10402, inclined hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 5 The present invention provides a technical solution: a method for processing an inclined hole based on a four-axis machine tool, the processing method comprising the following steps: S1, hoisting the additional tooling 102 onto the workbench of the horizontal four-axis machine tool, and fixedly connecting the additional tooling 102 to the B-axis mounting plate 101, hoisting the additional A-axis 103 to the top of the additional tooling 102, and fixedly connecting the additional A-axis 103 to the additional tooling 102, so as to achieve fixed connection between the additional A-axis 103 and the machine tool B-axis mounting plate 101 at a certain angle; S2, electrically connecting the additional A-axis 103 to the horizontal four-axis machine tool control center, and performing rotation control on the additional A-axis 103 through the A-axis coordinate rotation instruction in the control program of the horizontal four-axis machine tool control center; S3, the end cover part 104 is fixedly mounted on the additional A-axis 103, so that the machine tool can drill an oblique hole 10402 with a certain angle and depth on the end cover part 104, and after completing the processing of one oblique hole 10402 feature, the additional A-axis 103 is rotated to process the next feature until all the oblique holes 10402 of the part are processed; S4, remove the end cover part 104 from the additional A-axis 103, and repeat S3 and S4 until the end cover part 104 is completely processed.

[0026] Among them, the additional tooling 102 includes an installation tooling 10201, a fixing block 10204 is provided on the outer side of the bottom of the installation tooling 10201, and a fixing hole 10205 is opened at one end of the fixing block 10204. By providing a fixing block 10204 on the outer side of the bottom of the installation tooling 10201, and a fixing hole 10205 is opened at one end of the fixing block 10204, it is convenient to pass the T-bolt 10206 through the fixing hole 10205, thereby facilitating the fixed installation of the additional tooling 102.

[0027] Among them, a T-bolt 10206 is inserted into the fixing hole 10205, and the T-bolt 10206 is fixedly connected to the B-axis mounting plate 101. The T-bolt 10206 is fixedly connected to the B-axis mounting plate 101, so that the additional tooling 102 is conveniently fixedly connected to the B-axis mounting plate 101.

[0028] Among them, a positioning installation groove 10202 is opened on the top of the installation tool 10201, and installation screw holes 10203 are opened at the four corners of the positioning installation groove 10202. The installation screw holes 10203 are opened at the four corners of the positioning installation groove 10202, so as to facilitate the fixed connection between the additional A-axis 103 and the additional tool 102.

[0029] Among them, the additional A-axis 103 includes a turntable mechanism 10301, and a fixed disk 10302 is fixedly installed at the output end of the turntable mechanism 10301. A mounting slot hole 10303 is opened on the top of the fixed disk 10302. The mounting slot hole 10303 is opened on the top of the fixed disk 10302, which facilitates the fixed connection between the end cover part 104 and the additional A-axis 103.

[0030] Among them, a positioning block 10304 is provided at the bottom of the turntable mechanism 10301, and the positioning block 10304 is engaged with the positioning installation groove 10202. The positioning block 10304 is engaged with the positioning installation groove 10202, so that the additional A-axis 103 can be quickly positioned and quickly installed.

[0031] Among them, the positioning block 10304 is provided with mounting holes 10305 at the four corners, and fixing screws 10306 are inserted into the mounting holes 10305, and the fixing screws 10306 are threadedly connected to the mounting screw holes 10203. Fixing screws 10306 are inserted into the mounting holes 10305, and the fixing screws 10306 are threadedly connected to the mounting screw holes 10203, which facilitates the additional A-axis 103 and the additional tooling 102 to be firmly fixed and connected.

[0032] The end cover part 104 includes a part to be processed 10401 , and an inclined hole 10402 is opened on the surface of the part to be processed 10401 . The inclined hole 10402 is opened on the surface of the part to be processed 10401 , so as to improve the heat dissipation performance of the end cover part 104 .

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for processing inclined holes based on a four-axis machine tool, characterized in that: The processing method comprises the following steps: S1, hoisting the additional tooling (102) onto the worktable of the horizontal four-axis machine tool, and fixedly connecting the additional tooling (102) to the B-axis mounting plate (101), hoisting the additional A-axis (103) onto the top of the additional tooling (102), and fixedly connecting the additional A-axis (103) to the additional tooling (102), so as to achieve fixed connection of the additional A-axis (103) to the B-axis mounting plate (101) of the machine tool at a certain angle; S2, electrically connecting the additional A-axis (103) to the horizontal four-axis machine tool control center, and performing rotation control on the additional A-axis (103) through an A-axis coordinate rotation instruction in a control program of the horizontal four-axis machine tool control center; S3, the end cover part (104) is fixedly mounted on the additional A-axis (103), so that the machine tool can drill an inclined hole (10402) with a certain angle and depth on the end cover part (104), and after completing the processing of one inclined hole (10402) feature, the additional A-axis (103) is rotated to process the next feature until all the inclined holes (10402) of the part are processed; S4. Remove the end cover part (104) from the additional A-axis (103), and repeat S3 and S4 until the end cover part (104) is completely processed.

2. The method for processing inclined holes based on a four-axis machine tool according to claim 1, characterized in that: The additional tooling (102) comprises an installation tooling (10201), wherein a fixing block (10204) is provided on the outer side of the bottom of the installation tooling (10201), and a fixing hole (10205) is provided at one end of the fixing block (10204).

3. The method for processing inclined holes based on a four-axis machine tool according to claim 2, characterized in that: A T-shaped bolt (10206) is inserted into the fixing hole (10205), and the T-shaped bolt (10206) is fixedly connected to the B-axis mounting plate (101).

4. The method for machining an inclined hole based on a four-axis machine tool according to claim 2, characterized in that: A positioning installation groove (10202) is provided on the top of the installation tool (10201), and installation screw holes (10203) are provided at four corners of the positioning installation groove (10202).

5. The method for machining inclined holes based on a four-axis machine tool according to claim 1, characterized in that: The additional A-axis (103) comprises a turntable mechanism (10301), a fixed disk (10302) being fixedly mounted on the output end of the turntable mechanism (10301), and a mounting slot hole (10303) being provided on the top of the fixed disk (10302).

6. The method for machining an inclined hole based on a four-axis machine tool according to claim 5, characterized in that: A positioning block (10304) is provided at the bottom of the turntable mechanism (10301), and the positioning block (10304) is engaged with the positioning installation groove (10202).

7. The method for machining an inclined hole based on a four-axis machine tool according to claim 6, characterized in that: The positioning block (10304) has mounting holes (10305) at four corners, and fixing screws (10306) are inserted into the mounting holes (10305), and the fixing screws (10306) are threadedly connected to the mounting screw holes (10203).

8. The method for machining an inclined hole based on a four-axis machine tool according to claim 1, characterized in that: The end cover part (104) comprises a part to be processed (10401), and an inclined hole (10402) is provided on the surface of the part to be processed (10401).

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