Modularized numerical control machine tool

Abstract

The utility model belongs to the technical field of numerical control machine tools, particularly relates to a modularized numerical control machine tool, and aims to solve the problems that an existing numerical control machine tool is fixed in structure, lacks enough modularized characteristics and cannot be quickly switched between a vertical lathe and a horizontal lathe. According to the numerical control machine tool, the height of the main shaft is accurately adjusted through the adjusting assembly, the machine tool can adapt to the machining requirements of workpieces with different heights, the machining efficiency and precision are improved, stable rotation of the workbench is achieved through the worm and gear transmission mechanism, and the numerical control machine tool is suitable for machining of workpieces with different heights. The vertical lathe can be easily converted into the horizontal lathe, diversified machining requirements are met, the telescopic air cylinder drives the lifting workbench, the position of the clamp is flexibly adjusted, and the flexibility and applicability of the lathe are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field especially relates to a modular numerical control machine tool. BACKGROUND

[0002] Numerical control machine tool controls the movement and work of machine tool through digital information, realizes high accuracy, high efficiency processing, in the mechanical processing field, numerical control machine tool as important processing equipment, its performance and processing efficiency directly influence the overall benefit of production line.

[0003] Traditional numerical control machine tool often has fixed structure, lacks enough modularization characteristic, is difficult to adapt diversified processing demand, especially when needs conversion between vertical lathe and horizontal lathe, usually needs to replace whole machine tool or carries out complex adjustment, this not only is time -consuming and laborsaving, also increases the operating cost of enterprise, therefore, we propose a modular numerical control machine tool for solving above -mentioned problem. UTILIT Y MODEL CONTENT

[0004] The utility model aims at solving the shortcoming that traditional numerical control machine tool often has fixed structure, lacks enough modularization characteristic in prior art, and proposes a modular numerical control machine tool.

[0005] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] A modular numerical control machine tool, including the body, the top of the body is provided with the rotary column, one side of the rotary column is provided with the limit block, the limit block is rotatably penetrated with the main shaft, the bottom of the main shaft is provided with the milling cutter for processing workpiece, the top of the limit block is fixedly provided with the first motor, the output end of the first motor is connected with the bearing transmission of the main shaft, the top of the body is provided with the U type clamping block below the main shaft, the one side of the U type clamping block is screw -threaded with the fixture screw rod, one end of the fixture screw rod rotatably extends to the inside of the U type clamping block and is rotatably connected with the clamping plate, and the clamping plate slides in the U type clamping block, the bottom of the body is fixedly provided with the shell, and the machine tool further includes:

[0007] Adjusting assembly is arranged on the rotary column and is used for adjusting the height of the limit block;

[0008] Rotary assembly is arranged on the body and is used for driving the rotary column to rotate, so that the vertical lathe becomes the horizontal lathe;

[0009] Lifting assembly is arranged on the body and is used for adjusting the height of the U type clamping block, so that the vertical lathe becomes the horizontal lathe.

[0010] In a possible design, the adjusting assembly comprises a Z-axis sliding block, a sliding groove is formed on one side of the rotating column, the Z-axis sliding block is in sliding connection with the sliding groove, one side of the Z-axis sliding block is fixedly connected with one side of a limiting block, a Z-axis screw rod is rotationally connected in the sliding groove, the Z-axis screw rod penetrates through the Z-axis sliding block in a threaded manner, and a Z-axis driving motor is fixedly arranged at the top of the rotating column, and the output end of the Z-axis driving motor is fixedly connected with the Z-axis screw rod.

[0011] In a possible design, the rotating assembly comprises two positioning blocks, the two positioning blocks are symmetrically and fixedly arranged at the top of the bed body, the rotating column is located between the two positioning blocks, one side of each of the two positioning blocks that are close to each other is rotationally connected with a rotating shaft, the two rotating shafts are fixedly connected with the two sides of the rotating column respectively, a protective shell is fixedly arranged at one side of one of the positioning blocks at the top of the bed body, one of the rotating shafts rotationally extends into the interior of the protective shell and is fixedly sleeved with a worm wheel, the same worm is rotationally connected between the top of the bed body and the inner wall of the top of the protective shell, the worm wheel is in meshing connection with the worm, and the bottom of the bed body is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with the worm.

[0012] In a possible design, the other positioning block is threaded through with a limiting bolt, two threaded holes corresponding to the limiting bolt are formed on one side of the rotating column, and the limiting bolt is in threaded connection with the corresponding threaded hole.

[0013] In a possible design, an X-axis workbench is arranged at one side of the rotating column at the top of the bed body, two X-axis sliding rails are symmetrically and fixedly arranged at the top of the X-axis workbench, the same X-axis sliding block is in sliding connection on the two X-axis sliding rails, a Y-axis workbench is fixedly arranged at the top of the X-axis sliding block, two Y-axis sliding rails are symmetrically arranged at the top of the Y-axis workbench, the same Y-axis sliding block is in sliding connection on the two Y-axis sliding rails, and the top of the Y-axis sliding block is fixedly connected with the bottom of the U-shaped clamping block.

[0014] In a possible design, an X-axis screw rod is rotationally connected between the two X-axis sliding rails at the top of the X-axis workbench through two first fixing blocks, the X-axis screw rod penetrates through the X-axis sliding block in a threaded manner, an X-axis driving motor is fixedly arranged at the top of the X-axis workbench, and the output end of the X-axis driving motor is fixedly connected with the X-axis screw rod, a Y-axis screw rod is rotationally connected between the two Y-axis sliding rails at the top of the Y-axis workbench through two second fixing blocks, the Y-axis screw rod penetrates through the Y-axis sliding block in a threaded manner, a Y-axis driving motor is fixedly arranged at the top of the Y-axis workbench, and the output end of the Y-axis driving motor is fixedly connected with the Y-axis screw rod.

[0015] In a possible design, the lifting assembly comprises a lifting workbench, a sliding opening is formed on one side of the rotating column on the bed body, the lifting workbench is located in the sliding opening and is in sliding connection with the sliding opening, the bottom of the X-axis workbench is fixedly connected with the top of the lifting workbench, and a telescopic air cylinder is fixedly arranged on the inner wall of the bottom of the shell.

[0016] In the application, when the height of the main shaft needs to be adjusted, the Z-axis driving motor is started, the output end of the Z-axis driving motor drives the Z-axis screw to rotate, the rotation of the Z-axis screw drives the Z-axis sliding block to slide in the sliding groove due to the threaded connection between the Z-axis screw and the Z-axis sliding block, and the sliding of the Z-axis sliding block drives the lifting of the limiting block and the main shaft, so that the accurate adjustment of the height of the main shaft is realized.

[0017] When the workbench needs to be adjusted from a vertical type to a horizontal type, the second motor is started, the output end of the second motor drives the worm to rotate, the worm is in meshing connection with the worm wheel, so that the rotation of the worm drives the rotation of the worm wheel and the rotating shaft fixedly connected with the worm wheel, and the rotation of the rotating shaft drives the rotation of the rotating column and the main shaft, so that the stable rotation of the workbench is realized, and after the adjustment is completed, the position of the rotating column can be locked through the cooperation of the limiting bolt and the threaded hole, so that the stability during machining is ensured.

[0018] When the position of the clamp needs to be adjusted, the telescopic air cylinder is started, the extending end of the telescopic air cylinder pushes the lifting workbench and the X-axis workbench to move up and down, the movement of the lifting workbench drives the lifting of the U-shaped clamping block and the clamp, so that the flexible adjustment of the position of the clamp is realized, and in the adjustment process, the X-axis screw and the Y-axis screw can be further rotated by the X-axis driving motor and the Y-axis driving motor respectively, so that the positions of the X-axis sliding block and the Y-axis sliding block are adjusted, so as to meet the machining requirements of different workpieces.

[0019] Beneficial effects: in the utility model, the modular numerical control machine tool realizes the accurate adjustment of the height of the main shaft through the adjusting assembly, so that the machine tool can adapt to the machining requirements of workpieces with different heights, and the machining efficiency and precision are improved.

[0020] In the utility model, the modular numerical control machine tool realizes the stable rotation of the workbench through the worm and gear transmission mechanism, so that the vertical lathe can be easily converted into a horizontal lathe, and the diversified machining requirements are met.

[0021] In the utility model, the modular numerical control machine tool drives the lifting workbench through the telescopic air cylinder, realizes the flexible adjustment of the position of the clamp, and further improves the flexibility and applicability of the machine tool.

[0022] In this invention, the spindle height is precisely adjusted by an adjustment component, enabling the machine tool to adapt to the processing requirements of workpieces of different heights, thereby improving processing efficiency and accuracy. The worm gear transmission mechanism enables smooth rotation of the worktable, allowing the vertical lathe to be easily converted into a horizontal lathe to meet diverse processing needs. The telescopic cylinder drives the lifting worktable, enabling flexible adjustment of the fixture position, further improving the flexibility and applicability of the machine tool. Attached Figure Description

[0023] Fig. 1 This is a three-dimensional structural diagram of a modular CNC machine tool in vertical configuration as proposed in this utility model.

[0024] Fig. 2 This is an exploded three-dimensional structural diagram of the Z-axis slider and rotating column of a modular CNC machine tool proposed in this utility model.

[0025] Fig. 3 This is a partially exploded three-dimensional structural diagram of a modular CNC machine tool proposed in this utility model;

[0026] Fig. 4 This is a three-dimensional structural diagram of a modular CNC machine tool lifting table proposed in this utility model.

[0027] Fig. 5 This is a three-dimensional structural diagram of a U-shaped clamping block for a modular CNC machine tool proposed in this utility model.

[0028] Fig. 6 This is a three-dimensional structural diagram of a modular CNC machine tool in horizontal configuration, as proposed in this utility model.

[0029] In the diagram: 1. Bed; 2. Positioning block; 201. Limit bolt; 3. Rotating shaft; 4. Rotating column; 401. Threaded hole; 5. Z-axis slider; 6. Limit block; 7. Spindle; 8. First motor; 9. Lifting worktable; 10. X-axis worktable; 11. Worm gear; 12. Worm; 13. Second motor; 14. Protective shell; 15. Z-axis screw; 16. Z-axis drive motor; 17. X-axis slide rail; 18. X-axis screw; 19. X-axis drive motor; 20. X-axis slider; 21. Y-axis worktable; 22. Y-axis slide rail; 23. Y-axis screw; 24. Y-axis drive motor; 25. Y-axis slider; 26. Telescopic cylinder; 27. U-shaped clamp; 2701. Clamping screw; 28. Clamping plate; 29. ​​Outer shell. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0031] Example 1: Refer toFigs. 1-6 A numerical control machine tool comprises a bed body 1, a rotating column 4, a limiting block 6, a main shaft 7 and the like. Among them, the bed body 1 is the basic supporting component of the machine tool, the rotating column 4 is arranged at the top of the bed body 1 and is used to support and drive the main shaft 7 and the like to rotate. The limiting block 6 is fixedly arranged on one side of the rotating column 4 and is used to limit the axial movement of the main shaft 7 and provide support for the main shaft 7. The bottom of the main shaft 7 is provided with a milling cutter and is used to process workpieces.

[0032] In order to realize the precise adjustment of the height of the main shaft 7, an adjusting assembly is arranged on the rotating column 4. The adjusting assembly comprises a Z-axis sliding block 5, a Z-axis screw rod 15, a Z-axis driving motor 16 and the like. A sliding groove is formed in one side of the rotating column 4, the Z-axis sliding block 5 is in sliding connection with the sliding groove, and one side of the Z-axis sliding block 5 is fixedly connected with one side of the limiting block 6. The Z-axis screw rod 15 is rotatably connected in the sliding groove and is in threaded connection with the Z-axis sliding block 5. The Z-axis driving motor 16 is fixedly arranged at the top of the rotating column 4 and is fixedly connected with the Z-axis screw rod 15 at the output end. When the Z-axis driving motor 16 is started, the Z-axis screw rod 15 will be rotated, and since the Z-axis screw rod 15 is in threaded connection with the Z-axis sliding block 5, the Z-axis sliding block 5 will slide up and down along the sliding groove, thereby driving the limiting block 6 and the main shaft 7 to adjust the height.

[0033] In order to realize the conversion between the vertical lathe and the horizontal lathe, a rotating assembly is arranged on the bed body 1. The rotating assembly comprises a positioning block 2, a rotating shaft 3, a worm wheel 11, a worm 12 and a second motor 13 and the like. Two positioning blocks 2 are symmetrically fixedly arranged at the top of the bed body 1, and the rotating column 4 is located between the two positioning blocks 2. The two positioning blocks 2 are rotatably connected with the rotating shaft 3 on the side close to each other, and the two rotating shafts 3 are fixedly connected with the two sides of the rotating column 4 respectively. A protective shell 14 is fixedly arranged at the top of the bed body 1 on one side of one of the positioning blocks 2, and the worm wheel 11 is rotatably extended into the protective shell 14 and is fixedly sleeved with the worm wheel 11. The same worm 12 is rotatably connected between the top of the bed body 1 and the inner wall of the top of the protective shell 14, and the worm wheel 11 is in meshing connection with the worm 12. The second motor 13 is fixedly connected with the worm 12 at the output end. When the second motor 13 is started, the worm 12 will be rotated, and since the worm 12 is in meshing connection with the worm wheel 11, the worm wheel 11 will drive the rotating shaft 3 and the rotating column 4 to rotate, thereby realizing the conversion between the vertical lathe and the horizontal lathe.

[0034] In order to further improve the flexibility and applicability of the machine tool, the bed body 1 is further provided with a lifting assembly and X-axis and Y-axis worktables. The lifting assembly includes a lifting worktable 9, a telescopic cylinder 26 and the like. A sliding port is formed on one side of the bed body 1 located at one side of the rotary column 4, and the lifting worktable 9 is located in the sliding port and is in sliding connection with the sliding port. The bottom of the X-axis worktable 10 is fixedly connected with the top of the lifting worktable 9. The bottom inner wall of the shell 29 is fixedly provided with the telescopic cylinder 26, and the telescopic cylinder 26 is fixedly connected with the bottom of the lifting worktable 9. When the telescopic cylinder 26 is started, the lifting worktable 9 and the X-axis worktable 10 are driven to ascend and descend, so as to adjust the height of the U-shaped clamping block 27 and the clamp, so as to adapt to the conversion between the vertical lathe and the horizontal lathe.

[0035] The X-axis worktable 10 and the Y-axis worktable 21 are provided to realize the accurate movement of the workpiece in the horizontal direction. The top of the X-axis worktable 10 is fixedly provided with two X-axis sliding rails 17 in symmetry, and the same X-axis sliding block 20 is in sliding connection with the two X-axis sliding rails 17. The top of the X-axis sliding block 20 is fixedly provided with the Y-axis worktable 21. The top of the Y-axis worktable 21 is symmetrically provided with two Y-axis sliding rails 22, and the same Y-axis sliding block 25 is in sliding connection with the two Y-axis sliding rails 22. The top of the Y-axis sliding block 25 is fixedly connected with the bottom of the U-shaped clamping block 27. Through the driving of the X-axis driving motor 19 and the Y-axis driving motor 24, the X-axis screw rod 18 and the Y-axis screw rod 23 can be driven to rotate, so as to drive the X-axis sliding block 20 and the Y-axis sliding block 25 to slide on the X-axis sliding rail 17 and the Y-axis sliding rail 22, and realize the accurate movement of the workpiece.

[0036] The present application can be used in the field of numerical control machine tool technology, and can also be used in other fields applicable to the present application.

[0037] Embodiment 2: Reference Figs. 1-3 On the basis of embodiment one, a modular numerical control machine tool is improved, which is applied to the field of numerical control machine tool technology. In order to further improve the stability and safety of the machine tool, a limiting bolt 201 is threaded through another positioning block 2, and a threaded hole 401 corresponding to the limiting bolt 201 is formed on one side of the rotary column 4. After the rotary column 4 is rotated to the required position, the limiting bolt 201 can be screwed with the corresponding threaded hole 401, so as to realize the fixation and limiting of the rotary column 4.

[0038] However, as known by those skilled in the art, the working principles and wiring methods of the first motor 8, the second motor 13, the Z-axis driving motor 16, the X-axis driving motor 19 and the Y-axis driving motor 24 are common, which all belong to conventional means or common knowledge, and will not be described here. Those skilled in the art can make any selection according to their needs or convenience.

Claims

1. A modular numerical control machine tool, comprising a bed body (1), the top of the bed body (1) is provided with a rotating column (4), one side of the rotating column (4) is provided with a limiting block (6), the limiting block (6) is rotatably penetrated by a main shaft (7), the bottom of the main shaft (7) is provided with a milling cutter for machining a workpiece, the top of the limiting block (6) is fixedly provided with a first motor (8), the output end of the first motor (8) is in driving connection with the bearing of the main shaft (7), the top of the bed body (1) is provided with a U-shaped clamping block (27) below the main shaft (7), one side of the U-shaped clamping block (27) is threadedly connected with a clamp screw rod (2701), one end of the clamp screw rod (2701) rotatably extends to the inside of the U-shaped clamping block (27) and is rotatably connected with a clamping plate (28), and the clamping plate (28) slides in the U-shaped clamping block (27), the bottom of the bed body (1) is fixedly provided with an outer shell (29), characterized in that, The machine tool further comprises: An adjusting assembly arranged on the rotating column (4) and used for adjusting the height of the limiting block (6); A rotating assembly arranged on the bed body (1) and used for driving the rotating column (4) to rotate, so that the vertical lathe is changed into a horizontal lathe; A lifting assembly arranged on the bed body (1) and used for adjusting the height of the U-shaped clamping block (27), so that the vertical lathe is changed into a horizontal lathe.

2. A modular CNC machine according to claim 1, wherein, The adjusting assembly comprises a Z-axis sliding block (5), one side of the rotating column (4) is provided with a sliding groove, the Z-axis sliding block (5) is in sliding connection with the sliding groove, one side of the Z-axis sliding block (5) is fixedly connected with one side of the limiting block (6), a Z-axis screw rod (15) is rotationally connected in the sliding groove, the Z-axis screw rod (15) is in threaded penetration with the Z-axis sliding block (5), and the top of the rotating column (4) is fixedly provided with a Z-axis driving motor (16), the output end of the Z-axis driving motor (16) is fixedly connected with the Z-axis screw rod (15).

3. A modular CNC machine according to claim 1, wherein, The rotating assembly comprises two positioning blocks (2) which are symmetrically and fixedly arranged on the top of the bed body (1), the rotating column (4) is located between the two positioning blocks (2), the two positioning blocks (2) are rotationally connected with rotating shafts (3) on the sides close to each other, the two rotating shafts (3) are fixedly connected with the two sides of the rotating column (4), the top of the bed body (1) is fixedly provided with a protective shell (14) on one side of one of the positioning blocks (2), one of the rotating shafts (3) rotationally extends into the interior of the protective shell (14) and is fixedly sleeved with a worm wheel (11), the top of the bed body (1) and the top inner wall of the protective shell (14) are rotationally connected with the same worm (12), the worm wheel (11) is in meshing connection with the worm (12), and the bottom of the bed body (1) is fixedly connected with a second motor (13), the output end of the second motor (13) is fixedly connected with the worm (12).

4. A modular CNC machine according to claim 3, wherein, The other positioning block (2) is in threaded penetration with a limiting bolt (201), one side of the rotating column (4) is provided with two threaded holes (401) corresponding to the limiting bolt (201), and the limiting bolt (201) is in threaded connection with the corresponding threaded hole (401).

5. A modular CNC machine according to claim 1, wherein, The top of the bed body (1) is provided with an X-axis workbench (10) on one side of the rotating column (4), the top of the X-axis workbench (10) is symmetrically and fixedly provided with two X-axis sliding rails (17), the same X-axis sliding block (20) is in sliding connection with the two X-axis sliding rails (17), the top of the X-axis sliding block (20) is fixedly provided with a Y-axis workbench (21), the top of the Y-axis workbench (21) is symmetrically provided with two Y-axis sliding rails (22), the same Y-axis sliding block (25) is in sliding connection with the two Y-axis sliding rails (22), and the top of the Y-axis sliding block (25) is fixedly connected with the bottom of the U-shaped clamping block (27).

6. A modular CNC machine according to claim 5, wherein, The top of the X-axis workbench (10) is rotatably connected with an X-axis screw rod (18) through two first fixing blocks between two X-axis sliding rails (17), the X-axis screw rod (18) is threaded through an X-axis sliding block (20), the top of the X-axis workbench (10) is fixedly provided with an X-axis driving motor (19), the output end of the X-axis driving motor (19) is fixedly connected with the X-axis screw rod (18), the top of the Y-axis workbench (21) is rotatably connected with a Y-axis screw rod (23) through two second fixing blocks between two Y-axis sliding rails (22), the Y-axis screw rod (23) is threaded through a Y-axis sliding block (25), the top of the Y-axis workbench (21) is fixedly provided with a Y-axis driving motor (24), the output end of the Y-axis driving motor (24) is fixedly connected with the Y-axis screw rod (23).

7. A modular CNC machine according to claim 5, wherein, The lifting assembly comprises a lifting workbench (9), a sliding opening is formed on one side of the bed body (1) at the rotary column (4), the lifting workbench (9) is located in the sliding opening and is in sliding connection with the sliding opening, the bottom of the X-axis workbench (10) is fixedly connected with the top of the lifting workbench (9), the bottom inner wall of the shell (29) is fixedly provided with a telescopic air cylinder (26), and the telescopic air cylinder (26) is fixedly connected with the bottom of the lifting workbench (9).

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