Multi-shaft four-station combined numerical control machine tool

Abstract

The utility model particularly discloses a multi-shaft four-station combined numerical control machine tool which comprises a machine tool body, a sliding seat, a linear guide rail, four stand columns, four tool rest bodies, a ram, a sliding seat driving mechanism, a tool rest body driving mechanism, a ram driving mechanism, a main shaft unit, a base, a working table and a working table driving mechanism. The radial surface composite machining device can meet the requirement for large-batch radial surface composite machining, and therefore machining efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of CNC machine tools, and in particular to a multi-axis four-station combined CNC machine tool. Background Technology

[0002] For CNC machine tool processing, especially the processing of special-purpose CNC machine tools, such as the processing of roller sleeve parts in mining equipment, where many identical holes are distributed on the radial surface, the processing requirements are usually met by the machine tool running for a long time, which requires extending the working time of the operator. With the improvement of mechanical manufacturing technology and the emphasis on the physical and mental health of operators, higher requirements are being placed on industrial machine tools. The rational use of combination machine tools to reduce processing time has become a major trend in order to improve the processing efficiency of machine tools. The existing technology uses a structure in which a single machine tool performs single-piece processing by rotating a rotary table once. In practice, it has been proven that this structure has shortcomings and defects in use, such as long processing cycle, low efficiency, and inability to meet the needs of batch processing of workpieces. Utility Model Content

[0003] To address the issues of long processing cycles, low efficiency, and inability to meet the needs of batch workpiece processing, this utility model provides a multi-axis four-station combined CNC machine tool.

[0004] The multi-axis four-station combined CNC machine tool provided by this utility model adopts the following technical solution:

[0005] A multi-axis, four-station combined CNC machine tool includes a bed, a slide, linear guideways, four columns, four tool post bodies, a ram, a slide drive mechanism, a tool post body drive mechanism, a ram drive mechanism, a spindle unit, a base, a worktable, and a worktable drive mechanism. The bed is fixedly mounted on a foundation. The slide is mounted on the bed via linear guideways and reciprocates horizontally along the bed via a slide drive mechanism. The columns include a first column, a second column, a third column, and a fourth column. The first column is fixed to the slide and reciprocates horizontally with the slide. The second, third, and fourth columns are fixedly installed on the foundation. The four tool holders are respectively mounted on the four columns via linear guides, and the tool holders reciprocate up and down along the columns via a tool holder drive mechanism. The four slides are respectively mounted on the four tool holders, and reciprocate up and down with the tool holders. The slides reciprocate horizontally along the tool holders via a slide drive mechanism. The spindle unit is mounted on the slides. The base is fixedly installed on the foundation. The worktable is mounted on the base, and the worktable rotates along the base via a worktable drive mechanism.

[0006] Furthermore, the slide block is slidably connected to the tool holder body.

[0007] Furthermore, the slide drive mechanism includes a slide drive mechanism lead screw nut seat, a slide drive mechanism lead screw, a slide drive mechanism reduction gearbox, and a slide drive mechanism servo motor. The output shaft of the slide drive mechanism servo motor is connected to the input shaft of the slide drive mechanism reduction gearbox, the output shaft of the slide drive mechanism reduction gearbox is connected to the slide drive mechanism lead screw, and the slide drive mechanism lead screw is mounted on the slide drive mechanism lead screw nut seat.

[0008] Furthermore, the tool holder body drive mechanism includes a tool holder body drive mechanism servo motor, a tool holder body drive mechanism reduction gearbox, a tool holder body drive mechanism lead screw nut seat, and a tool holder body drive mechanism lead screw. The output shaft of the tool holder body drive mechanism servo motor is connected to the input shaft of the tool holder body drive mechanism reduction gearbox, the output shaft of the tool holder body drive mechanism reduction gearbox is connected to the tool holder body drive mechanism lead screw, and the tool holder body drive mechanism lead screw is mounted on the tool holder body drive mechanism lead screw nut seat.

[0009] Furthermore, the ram drive mechanism includes a ram drive mechanism servo motor, a ram drive mechanism reduction gearbox, a ram drive mechanism lead screw nut seat, and a ram drive mechanism lead screw. The output shaft of the ram drive mechanism servo motor is connected to the input shaft of the ram drive mechanism reduction gearbox, the output shaft of the ram drive mechanism reduction gearbox is connected to the ram drive mechanism lead screw, and the ram drive mechanism lead screw is mounted on the ram drive mechanism lead screw nut seat.

[0010] Furthermore, the table drive mechanism includes a table drive mechanism servo motor, a table drive mechanism reducer, and a gear ring. The output shaft of the table drive mechanism servo motor is connected to the input shaft of the table drive mechanism reducer, and the output end of the table drive mechanism reducer is connected to the gear ring.

[0011] Furthermore, the output shafts of the slide drive mechanism servo motor, the tool holder body drive mechanism servo motor, the ram drive mechanism servo motor, and the worktable drive mechanism servo motor are connected to the input shafts of the slide drive mechanism reduction gearbox, the tool holder body drive mechanism reduction gearbox, the ram drive mechanism reduction gearbox, and the worktable drive mechanism reduction gearbox, respectively, via keys.

[0012] Furthermore, the output shafts of the slide drive mechanism reducer, the tool holder drive mechanism reducer, and the ram drive mechanism reducer are connected to the input shafts of the slide drive mechanism lead screw, the tool holder drive mechanism lead screw, and the ram drive mechanism lead screw via couplings.

[0013] Furthermore, the output gear of the reduction gearbox of the workbench drive mechanism is meshed with the gear ring.

[0014] Furthermore, the spindle unit includes a main motor and a spindle reduction gearbox.

[0015] In summary, this utility model has at least one of the following beneficial technical effects:

[0016] This device achieves the machining function of the combined machine tool through the linkage of the slide drive mechanism, tool holder drive mechanism, ram drive mechanism, worktable drive mechanism, and spindle unit. This multi-axis four-station combined machine tool can meet the needs of large-volume radial surface composite machining, thereby improving machining efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 2 yes Figure 1 Top view;

[0019] Figure 3 This is a schematic diagram of the slide ram drive mechanism;

[0020] Figure 4 This is a schematic diagram of the worktable drive mechanism.

[0021] Reference numerals: 1. Slide; 2. Linear guide rail; 3. Bed; 4. Base; 5. First column; 6. Tool post body; 7. Ram; 8. Servo motor for tool post body drive mechanism; 9. Gearbox for tool post body drive mechanism; 10. Lead screw nut seat for tool post body drive mechanism; 11. Lead screw for tool post body drive mechanism; 12. Worktable; 13. Second column; 14. Third column; 15. Fourth column; 16. Spindle gearbox; 17. Main motor; 18. Lead screw nut seat for slide drive mechanism; 19. Lead screw for slide drive mechanism; 20. Gearbox for slide drive mechanism; 21. Servo motor for slide drive mechanism; 22. Servo motor for ram drive mechanism; 23. Gearbox for ram drive mechanism; 24. Lead screw nut seat for ram drive mechanism; 25. Lead screw for ram drive mechanism; 26. Servo motor for worktable drive mechanism; 27. Gearbox for worktable drive mechanism; 28. Gear ring. Detailed Implementation

[0022] The following is in conjunction with the appendix Figure 1-4 The present invention will be described in further detail below.

[0023] This utility model discloses a multi-axis, four-station combined CNC machine tool. (Refer to...) Figure 1 , Figure 2 , Figure 3 , Figure 4 The multi-axis four-station combination CNC machine tool includes a bed 3, a slide 1, a linear guide 2, four columns, four tool holders 6, a ram 7, a slide drive mechanism, a tool holder drive mechanism, a ram drive mechanism, a spindle unit, a base 4, a worktable 12, and a worktable drive mechanism.

[0024] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 The bed 3 is fixedly installed on the foundation. Preloaded linear guides 2 are installed on the bed 3, connecting the bed 3 and the slide 1 together. The slide 1 moves horizontally back and forth along the bed 3 through the slide drive mechanism. The slide drive mechanism includes a slide drive mechanism lead screw nut seat 18, a slide drive mechanism lead screw 19, a slide drive mechanism gearbox 20, and a slide drive mechanism servo motor 22. The output shaft of the slide drive mechanism servo motor 21 is keyed to the input shaft of the slide drive mechanism gearbox 20. The output shaft of the slide drive mechanism gearbox 20 is connected to the input shaft of the slide drive mechanism lead screw 19 through a coupling. The slide drive mechanism lead screw 19 is mounted on the slide drive mechanism lead screw nut seat 18.

[0025] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 The support columns include a first column 5, a second column 13, a third column 14, and a fourth column 15. The first column 5 is fixed to the slide 1 and moves horizontally reciprocally with the slide 1. The second column 13, the third column 14, and the fourth column 15 are fixedly installed on the foundation. Four tool holder bodies 6 are respectively installed on the four columns via linear guide rails 2. The tool holder bodies 6 move up and down along the columns via a tool holder body drive mechanism. The tool holder body drive mechanism includes a tool holder body drive mechanism servo motor 8, a tool holder body drive mechanism reduction gearbox 9, a tool holder body drive mechanism lead screw nut seat 10, and a tool holder body drive mechanism lead screw 11. The output shaft of the tool holder body drive mechanism servo motor 8 is keyed to the input shaft of the tool holder body drive mechanism reduction gearbox 9. The output shaft of the tool holder body drive mechanism reduction gearbox 9 is connected to the input shaft of the tool holder body drive mechanism lead screw 11 via a coupling. The tool holder body drive mechanism lead screw 11 is mounted on the tool holder body drive mechanism lead screw nut seat 10.

[0026] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 Four rams 7 are respectively mounted on four tool holder bodies 6. The rams 7 are slidably connected to the tool holder bodies 6 and move up and down reciprocally with the tool holder bodies 6. The rams 7 move horizontally reciprocally along the tool holder bodies 6 through a ram drive mechanism. The ram drive mechanism includes a ram drive mechanism servo motor 22, a ram drive mechanism reduction gearbox 23, a ram drive mechanism lead screw nut seat 24, and a ram drive mechanism lead screw 25. The output shaft of the ram drive mechanism servo motor 22 is keyed to the input shaft of the ram drive mechanism reduction gearbox 23. The output shaft of the ram drive mechanism reduction gearbox 23 is connected to the input shaft of the ram drive mechanism lead screw 25 through a coupling. The ram drive mechanism lead screw 25 is mounted on the ram drive mechanism lead screw nut seat 24.

[0027] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 The spindle unit is mounted on the slide 7 and includes a main motor 17 and a spindle reducer 16. The base 4 is fixedly mounted on the foundation. The worktable 12 is mounted on the base 4 and rotates along the base via a worktable drive mechanism. The worktable drive mechanism includes a worktable drive mechanism servo motor 26, a worktable drive mechanism reducer 27, and a gear ring 28. The output shaft of the worktable drive mechanism servo motor 26 is keyed to the input shaft of the worktable drive mechanism reducer 27, and the output gear of the worktable drive mechanism reducer meshes with the gear ring 28.

[0028] This invention provides a multi-axis, four-station combined CNC machine tool. A slide drive mechanism drives the slide 1 to reciprocate horizontally along the bed 3; the column follows the horizontal movement of the slide 1 in a reciprocating horizontal motion; a tool post drive mechanism drives the tool post 6 to reciprocate vertically along the column; a ram 7 follows the vertical movement of the tool post 6 in a reciprocating vertical motion; a ram drive mechanism drives the ram 7 to reciprocate horizontally along the tool post 6; a worktable drive mechanism drives the worktable 12 to rotate along the base 4; and the spindle unit realizes spindle rotation. Ultimately, the machining function of this combined machine tool is achieved through the linkage of the slide drive mechanism, tool post drive mechanism, ram drive mechanism, worktable drive mechanism, and spindle unit. This multi-axis, four-station combined machine tool can meet the requirements of large-volume radial surface composite machining, thereby improving machining efficiency.

[0029] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A multi-spindle four-station modular CNC machine tool, characterized in that: The bed body is fixedly installed on the foundation, the slide is installed on the bed body through the linear guide rail, and the slide moves horizontally and reciprocally along the bed body through the slide driving mechanism; the column includes a first column, a second column, a third column and a fourth column, the first column is fixed on the slide and moves horizontally and reciprocally with the slide, and the second column, the third column and the fourth column are fixedly installed on the foundation; the four tool holders are installed on the four columns through the linear guide rail, and the tool holder moves up and down and reciprocally along the column through the tool holder driving mechanism; the four carriages are installed on the four tool holders and move up and down and reciprocally with the tool holder, and the carriage moves horizontally and reciprocally along the tool holder through the carriage driving mechanism; the spindle unit is installed on the carriage; the base is fixedly installed on the foundation; the workbench is installed on the base and rotates along the base through the workbench driving mechanism.

2. The multi-spindle four-station modular CNC machine tool of claim 1, wherein: The slide is slidably connected with the tool holder.

3. The multi-spindle four-station modular CNC machine tool of claim 1, wherein: The slide driving mechanism includes a slide driving mechanism screw nut seat, a slide driving mechanism screw rod, a slide driving mechanism speed reducer and a slide driving mechanism servo motor, the output shaft of the slide driving mechanism servo motor is connected with the input shaft of the slide driving mechanism speed reducer, the output shaft of the slide driving mechanism speed reducer is connected with the slide driving mechanism screw rod, and the slide driving mechanism screw rod is assembled on the slide driving mechanism screw nut seat.

4. The multi-spindle four-station modular CNC machine tool of claim 3, wherein: The tool holder driving mechanism includes a tool holder driving mechanism servo motor, a tool holder driving mechanism speed reducer, a tool holder driving mechanism screw nut seat and a tool holder driving mechanism screw rod, the output shaft of the tool holder driving mechanism servo motor is connected with the input shaft of the tool holder driving mechanism speed reducer, the output shaft of the tool holder driving mechanism speed reducer is connected with the tool holder driving mechanism screw rod, and the tool holder driving mechanism screw rod is assembled on the tool holder driving mechanism screw nut seat.

5. The multi-spindle four-station modular CNC machine tool of claim 4, wherein: The carriage driving mechanism includes a carriage driving mechanism servo motor, a carriage driving mechanism speed reducer, a carriage driving mechanism screw nut seat and a carriage driving mechanism screw rod, the output shaft of the carriage driving mechanism servo motor is connected with the input shaft of the carriage driving mechanism speed reducer, the output shaft of the carriage driving mechanism speed reducer is connected with the carriage driving mechanism screw rod, and the carriage driving mechanism screw rod is assembled on the carriage driving mechanism screw nut seat.

6. The multi-spindle four-station modular CNC machine tool of claim 5, wherein: The workbench driving mechanism includes a workbench driving mechanism servo motor, a workbench driving mechanism speed reducer and a gear ring, the output shaft of the workbench driving mechanism servo motor is connected with the input shaft of the workbench driving mechanism speed reducer, and the output end of the workbench driving mechanism speed reducer is connected with the gear ring.

7. The multi-spindle four-station modular CNC machine tool of claim 6, wherein: The output shafts of the slide driving mechanism servo motor, the tool holder driving mechanism servo motor, the carriage driving mechanism servo motor and the workbench driving mechanism servo motor are connected with the input shafts of the slide driving mechanism speed reducer, the tool holder driving mechanism speed reducer, the carriage driving mechanism speed reducer and the workbench driving mechanism speed reducer through keys.

8. The multi-spindle four-station modular CNC machine tool of claim 6, wherein: The output shafts of the slide driving mechanism reduction gearbox, the tool rest body driving mechanism reduction gearbox and the ram driving mechanism reduction gearbox are connected with the input shafts of the slide driving mechanism screw rod, the tool rest body driving mechanism screw rod and the ram driving mechanism screw rod through shaft couplings.

9. The multi-spindle four-station modular CNC machine tool of claim 6, wherein: The output gear of the workbench driving mechanism reduction gearbox is in gear connection with the gear ring.

10. The multi-spindle four-station modular CNC machine tool of claim 1, wherein: The spindle unit comprises a main motor and a spindle reduction gearbox.

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