Device for additionally installing main shaft on numerical control unfolding cutter

Abstract

The invention discloses a numerical control expanding tool and spindle adding device, and relates to the technical field of numerical control machine tools, the numerical control expanding tool and spindle adding device comprises a machine body assembly, the machine body assembly comprises a cover plate, a differential mechanism, a box body and a sliding block turning tool apron, the cover plate is provided with a rotating assembly, a displacement assembly and a driving assembly, and the differential mechanism is located between the cover plate and the box body; the sliding block turning tool apron is located on the outer side of the box body, the end of the rotating assembly penetrates through the box body and then is connected with the sliding block turning tool apron, the displacement assembly drives the sliding block turning tool apron to slide on the rotating assembly through the differential mechanism, and the driving assembly drives a tool on the sliding block turning tool apron to rotate. Through the arrangement of the differential mechanism, the machining precision of the numerical control machine tool is effectively improved, and meanwhile the size of the additionally-installed main shaft device is reduced.

Description

Technical Field

[0001] This invention relates to the field of CNC machine tool technology, and in particular to a CNC tool-mounting spindle device. Background Technology

[0002] Adding a spindle unit to a CNC machine tool to enable tool unfolding is a complex engineering project involving the integration of mechanical, electrical, and control systems. When multiple tools are mounted on the spindle unit, the spindle unit often becomes quite large in order to improve the machining accuracy of the CNC machine tool.

[0003] How to provide a data-driven tool with a spindle device that can reduce the size of the spindle device while using multiple tools and without affecting the machining accuracy of CNC machine tools has become a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a spindle device for CNC tool unsplitters, which solves the problem that existing spindle devices are too large when adapted to multiple tools.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: This invention provides a CNC tool-mounting spindle device, comprising a body assembly, which includes a cover plate, a differential, a housing, and a slide tool holder. A rotary assembly, a displacement assembly, and a drive assembly are mounted on the cover plate. The differential is located between the cover plate and the housing. The slide tool holder is located outside the housing. The end of the rotary assembly passes through the housing and connects to the slide tool holder. The displacement assembly drives the slide tool holder to slide on the rotary assembly via the differential. The drive assembly drives the tool on the slide tool holder to rotate.

[0006] Optionally, there are two of each of the differential and the slide block tool holder, and two sets of each of the displacement component and the drive component. The displacement component includes a first displacement component and a second displacement component, and the drive component includes a first drive component and a second drive component.

[0007] Optionally, the rotating assembly includes a main shaft drive gear, a main shaft driven gear, a main shaft, and a rotary disk. The main shaft drive gear is mounted on the cover plate and is connected to the output shaft of the motor. The main shaft driven gear and the rotary disk are respectively mounted at both ends of the main shaft. The main shaft is cylindrical and rotatably mounted on the housing. The main shaft drive gear and the main shaft driven gear mesh with each other. The slider tool holder is slidably connected to the rotary disk.

[0008] Optionally, the first displacement assembly includes a first sun gear, a first driven gear ring, a first driven wheel, a first drive shaft, a first output gear, and a first lead screw. The first sun gear is mounted on the cover plate and is driven by the output shaft of the motor. The first driven wheel and the first output gear are respectively mounted at both ends of the first drive shaft. The first drive shaft is cylindrical and rotatably mounted on the housing. The main shaft is sleeved on the outside of the first drive shaft. The first driven gear ring meshes with the first sun gear and the first driven wheel respectively. The first output gear meshes with the first lead screw. The first lead screw is driven by a lead screw nut on one of the slider cutting tool holders.

[0009] Optionally, the second displacement assembly includes a second sun gear, a second driven gear ring, a second driven wheel, a second drive shaft, a second output gear, and a second lead screw. The second sun gear is mounted on the cover plate and is drivenly connected to the output shaft of the motor. The second driven wheel and the second output gear are respectively mounted at both ends of the second drive shaft. The second drive shaft is cylindrical and rotatably mounted on the housing. The first drive shaft is sleeved on the outside of the second drive shaft. The second driven gear ring meshes with the second sun gear and the second driven wheel respectively. The second output gear meshes with the second lead screw. The second lead screw is drivenly connected to a lead screw nut on another slider tool holder.

[0010] Optionally, the first drive assembly includes a first slider spindle first drive shaft, a first slider spindle second drive shaft, and a first slider spindle. The first slider spindle is rotatably mounted on a slider cutting tool holder. The first slider spindle first drive shaft is cylindrical and rotatably mounted on the housing and is connected to the output shaft of the motor. The second drive shaft is sleeved outside the first slider spindle first drive shaft. One end of the first slider spindle second drive shaft is connected to one end of the first slider spindle first drive shaft, and the body of the first slider spindle second drive shaft is connected to the body of the first slider spindle.

[0011] Optionally, the second drive assembly includes a second slider spindle first drive shaft, a second slider spindle second drive shaft, and a second slider spindle. The second slider spindle is rotatably mounted on another slider cutting tool holder. The second slider spindle first drive shaft is rotatably mounted on the housing and is connected to the output shaft of the motor. The first slider spindle first drive shaft is sleeved outside the second slider spindle first drive shaft. One end of the second slider spindle second drive shaft is connected to one end of the second slider spindle first drive shaft. The body of the second slider spindle second drive shaft is connected to the body of the second slider spindle.

[0012] Optionally, both the first and second slider spindles may be detachably mounted with milling cutters, boring tools, drills, or taps.

[0013] Optionally, the differential connected to the first displacement component includes a first slider differential input gear ring, which meshes with the main shaft driven gear, and the first slider differential input gear ring is connected to the first driven gear ring via a first planetary gear.

[0014] Optionally, the differential connected to the second displacement component includes a second slider differential input gear ring, which meshes with the main shaft driven gear, and the second slider differential input gear ring is connected to the second driven gear ring via a second planetary gear.

[0015] Compared with the prior art, the beneficial technical effects of the present invention are as follows: This invention provides a spindle mounting device for CNC tool unscrewing, comprising a body assembly including a cover plate, a differential, a housing, and a slide tool holder. A rotary assembly, a displacement assembly, and a drive assembly are mounted on the cover plate. The differential is located between the cover plate and the housing. The slide tool holder is located outside the housing. The end of the rotary assembly passes through the housing and connects to the slide tool holder. The displacement assembly drives the slide tool holder to slide on the rotary assembly via the differential. The drive assembly drives the tool on the slide tool holder to rotate. This invention effectively improves the machining accuracy of CNC machine tools by using a differential, while simultaneously reducing the size of the spindle mounting device. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a top view of a CNC tool-mounted spindle device according to the present invention; Figure 2 This is a side view of a CNC tool-mounted spindle device according to the present invention; Figure 3 This is a front view of a CNC tool-mounted spindle device according to the present invention; Figure 4 A cross-sectional view of a CNC planer with a spindle device according to the present invention. Figure 1 ; Figure 5 A cross-sectional view of a CNC planer with a spindle device according to the present invention. Figure 2 ; Figure 6 A cross-sectional view of a CNC planer with a spindle device according to the present invention. Figure 3 ; Figure 7A cross-sectional view of a CNC planer with a spindle device according to the present invention. Figure 4 .

[0018] Explanation of reference numerals in the attached figures: 1. Body assembly; 11. Cover plate; 12. Differential; 13. Housing; 14. Sliding tool holder; 2. Rotating assembly; 21. Main shaft drive gear; 22. Main shaft driven gear; 23. Main shaft; 24. Flat rotating disk; 25. First slider differential input gear ring; 26. Second slider differential input gear ring; 27. First planetary gear; 28. Second planetary gear; 3. First displacement assembly; 31. First sun gear; 32. First driven gear ring; 33. First driven gear; 34. First transmission shaft; 35. First output gear; 36. First lead screw; 4. Second displacement assembly; 41. Second sun gear; 42. Second driven gear ring; 43. Second driven gear; 44. Second drive shaft; 45. Second output gear; 46. Second lead screw; 5. First drive assembly; 51. First slider spindle first drive shaft; 52. First slider spindle second drive shaft; 53. First slider spindle; 6. Second drive assembly; 61. Second slider spindle first drive shaft; 62. Second slider spindle second drive shaft; 63. Second slider spindle. Detailed Implementation

[0019] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] like Figure 1-7 As shown, a CNC tool-setting spindle mounting device includes a body assembly 1. The body assembly 1 includes a cover plate 11, a differential 12, a housing 13, and a slide tool holder 14. A rotating assembly 2, a displacement assembly, and a drive assembly are mounted on the cover plate 11. The differential 12 is located between the cover plate 11 and the housing 13. The slide tool holder 14 is located outside the housing 13. The end of the rotating assembly 2 passes through the housing 13 and connects to the slide tool holder 14. The displacement assembly drives the slide tool holder 14 to slide on the rotating assembly 2 through the differential 12. The drive assembly drives the tool on the slide tool holder 14 to rotate.

[0021] Specifically, there are two of each of the differential 12 and the slide block tool holder 14, and two sets of each of the displacement component and the drive component. The displacement component includes a first displacement component 3 and a second displacement component 4, and the drive component includes a first drive component 5 and a second drive component 6.

[0022] Specifically, the rotating assembly 2 includes a main shaft drive gear 21, a main shaft driven gear 22, a main shaft 23, and a flat rotating disk 24. The main shaft drive gear 21 is mounted on the cover plate 11 and is connected to the output shaft of the motor. The main shaft driven gear 22 and the flat rotating disk 24 are respectively mounted on both ends of the main shaft 23. The main shaft 23 is cylindrical and is rotatably mounted on the housing 13. The main shaft drive gear 21 and the main shaft driven gear 22 mesh with each other. The slider tool holder 14 is slidably connected to the flat rotating disk 24.

[0023] Specifically, the first displacement component 3 includes a first sun gear 31, a first driven gear ring 32, a first driven wheel 33, a first drive shaft 34, a first output gear 35, and a first lead screw 36. The first sun gear 31 is mounted on the cover plate 11 and is drivenly connected to the output shaft of the motor. The first driven wheel 33 and the first output gear 35 are respectively mounted at both ends of the first drive shaft 34. The first drive shaft 34 is cylindrical and is rotatably mounted on the housing 13. The main shaft 23 is sleeved on the outside of the first drive shaft 34. The first driven gear ring 32 meshes with the first sun gear 31 and the first driven wheel 33 respectively. The first output gear 35 meshes with the first lead screw 36. The first lead screw 36 is drivenly connected to the lead screw nut on one of the slider tool holders 14.

[0024] Specifically, the second displacement assembly 4 includes a second sun gear 41, a second driven gear ring 42, a second driven wheel 43, a second transmission shaft 44, a second output gear 45, and a second lead screw 46. The second sun gear 41 is mounted on the cover plate 11 and is connected to the output shaft of the motor. The second driven wheel 43 and the second output gear 45 are respectively mounted at both ends of the second transmission shaft 44. The second transmission shaft 44 is cylindrical and rotatably mounted on the housing 13. The first transmission shaft 34 is sleeved on the outside of the second transmission shaft 44. The second driven gear ring 42 meshes with the second sun gear 41 and the second driven wheel 43 respectively. The second output gear 45 meshes with the second lead screw 46. The second lead screw 46 is connected to a lead screw nut on another slider tool holder 14.

[0025] Specifically, the first drive assembly 5 includes a first slider spindle first drive shaft 51, a first slider spindle second drive shaft 52, and a first slider spindle 53. The first slider spindle 53 is rotatably mounted on a slider cutting tool holder 14. The first slider spindle first drive shaft 51 is cylindrical and is rotatably mounted on the housing 13 and is connected to the output shaft of the motor. The second drive shaft 44 is sleeved on the outside of the first slider spindle first drive shaft 51. One end of the first slider spindle second drive shaft 52 is connected to one end of the first slider spindle first drive shaft 51, and the body of the first slider spindle second drive shaft 52 is connected to the body of the first slider spindle 53.

[0026] Specifically, the second drive assembly 6 includes a second slider spindle first drive shaft 61, a second slider spindle second drive shaft 62, and a second slider spindle 63. The second slider spindle 63 is rotatably mounted on another slider cutting tool holder 14. The second slider spindle first drive shaft 61 is rotatably mounted on the housing 13 and is connected to the output shaft of the motor. The first slider spindle first drive shaft 51 is sleeved on the outside of the second slider spindle first drive shaft 61. One end of the second slider spindle second drive shaft 62 is connected to one end of the second slider spindle first drive shaft 61. The body of the second slider spindle second drive shaft 62 is connected to the body of the second slider spindle 63.

[0027] Specifically, both the first slider spindle 53 and the second slider spindle 63 can be detachably mounted with milling cutters, boring tools, drill bits, or taps.

[0028] Specifically, the differential 12 connected to the first displacement component 3 includes a first slider differential input gear ring 25, which meshes with the main shaft driven gear 22. The first slider differential input gear ring 25 is connected to the first driven gear ring 32 via a first planetary gear 27.

[0029] Specifically, the differential 12 connected to the second displacement component 4 includes a second slider differential input gear ring 26, which meshes with the main shaft driven gear 22. The second slider differential input gear ring 26 is connected to the second driven gear ring 42 via a second planetary gear 28.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A CNC tool-setting device with a spindle, characterized in that: The machine includes a body assembly (1), which includes a cover plate (11), a differential (12), a housing (13), and a sliding tool holder (14). A rotating assembly (2), a displacement assembly, and a drive assembly are mounted on the cover plate (11). The differential (12) is located between the cover plate (11) and the housing (13). The sliding tool holder (14) is located outside the housing (13). The end of the rotating assembly (2) passes through the housing (13) and is connected to the sliding tool holder (14). The displacement assembly drives the sliding tool holder (14) to slide on the rotating assembly (2) through the differential (12). The drive assembly drives the tool on the sliding tool holder (14) to rotate.

2. The CNC unsplitter with spindle assembly according to claim 1, characterized in that: Two differentials (12) and two slide tool holders (14) are provided. Two sets of displacement components and two sets of drive components are provided respectively. The displacement components include a first displacement component (3) and a second displacement component (4). The drive components include a first drive component (5) and a second drive component (6).

3. The CNC unsplitter with spindle device according to claim 2, characterized in that: The rotating assembly (2) includes a main shaft drive gear (21), a main shaft driven gear (22), a main shaft (23), and a flat rotating disk (24). The main shaft drive gear (21) is mounted on the cover plate (11) and is connected to the output shaft of the motor. The main shaft driven gear (22) and the flat rotating disk (24) are respectively mounted on both ends of the main shaft (23). The main shaft (23) is cylindrical and is rotatably mounted on the housing (13). The main shaft drive gear (21) and the main shaft driven gear (22) mesh with each other. The slider cutting tool holder (14) is slidably connected to the flat rotating disk (24).

4. The CNC unsplitter with spindle device according to claim 3, characterized in that: The first displacement assembly (3) includes a first sun gear (31), a first driven gear ring (32), a first driven wheel (33), a first drive shaft (34), a first output gear (35), and a first lead screw (36). The first sun gear (31) is mounted on the cover plate (11) and is connected to the output shaft of the motor. The first driven wheel (33) and the first output gear (35) are respectively mounted on both ends of the first drive shaft (34). The first drive shaft (34) is cylindrical and is rotatably mounted on the housing (13). The main shaft (23) is sleeved on the outside of the first drive shaft (34). The first driven gear ring (32) meshes with the first sun gear (31) and the first driven wheel (33) respectively. The first output gear (35) meshes with the first lead screw (36). The first lead screw (36) is connected to the lead screw nut on one of the slider tool holders (14).

5. The CNC unsplitter with spindle assembly according to claim 4, characterized in that: The second displacement assembly (4) includes a second sun gear (41), a second driven gear ring (42), a second driven wheel (43), a second transmission shaft (44), a second output gear (45), and a second lead screw (46). The second sun gear (41) is mounted on the cover plate (11) and is connected to the output shaft of the motor. The second driven wheel (43) and the second output gear (45) are respectively mounted on both ends of the second transmission shaft (44). The second transmission shaft (44) is cylindrical and is rotatably mounted on the housing (13). The first transmission shaft (34) is sleeved on the outside of the second transmission shaft (44). The second driven gear ring (42) meshes with the second sun gear (41) and the second driven wheel (43) respectively. The second output gear (45) meshes with the second lead screw (46). The second lead screw (46) is connected to the lead screw nut on another slider tool holder (14).

6. The CNC unsplitter with spindle assembly according to claim 5, characterized in that: The first drive assembly (5) includes a first slider spindle first drive shaft (51), a first slider spindle second drive shaft (52) and a first slider spindle (53). The first slider spindle (53) is rotatably mounted on a slider cutting tool holder (14). The first slider spindle first drive shaft (51) is cylindrical. The first slider spindle first drive shaft (51) is rotatably mounted on the housing (13) and is connected to the output shaft of the motor. The second drive shaft (44) is sleeved on the outside of the first slider spindle first drive shaft (51). One end of the first slider spindle second drive shaft (52) is connected to one end of the first slider spindle first drive shaft (51). The body of the first slider spindle second drive shaft (52) is connected to the body of the first slider spindle (53).

7. The CNC unsplitter with spindle assembly according to claim 6, characterized in that: The second drive assembly (6) includes a second slider spindle first drive shaft (61), a second slider spindle second drive shaft (62), and a second slider spindle (63). The second slider spindle (63) is rotatably mounted on another slider cutting tool holder (14). The second slider spindle first drive shaft (61) is rotatably mounted on the housing (13) and is connected to the output shaft of the motor. The first slider spindle first drive shaft (51) is sleeved on the outside of the second slider spindle first drive shaft (61). One end of the second slider spindle second drive shaft (62) is connected to one end of the second slider spindle first drive shaft (61). The body of the second slider spindle second drive shaft (62) is connected to the body of the second slider spindle (63).

8. The CNC unsplitter with spindle device according to claim 7, characterized in that: Both the first slider spindle (53) and the second slider spindle (63) are detachably equipped with milling cutters, boring tools, drill bits or taps.

9. The CNC unsplitter with spindle assembly according to claim 8, characterized in that: The differential (12) connected to the first displacement component (3) includes a first slider differential input gear ring (25), which meshes with the main shaft driven gear (22). The first slider differential input gear ring (25) is connected to the first driven gear ring (32) via a first planetary gear (27).

10. The CNC tool unsplitter with spindle mounting device according to claim 9, characterized in that: The differential (12) connected to the second displacement component (4) includes a second slider differential input gear ring (26), which meshes with the main shaft driven gear (22). The second slider differential input gear ring (26) is connected to the second driven gear ring (42) via a second planetary gear (28).

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