A composite multi-axis CNC machine tool
By adopting a combination of fine-tuning components and rotating components in a multi-axis CNC machine tool, the complex moving steps and accuracy problems during spherical parts are solved, and more efficient and accurate machining effects are achieved.
Patent Information
- Application Number
- CN202421312776.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing multi-axis CNC machine tools require complex and cumbersome moving steps when machining spherical parts, resulting in inefficiency and difficulty in taking into account both positioning and moving accuracy when machining fine parts.
A composite multi-axis CNC machine tool is designed, using a combination of fine-tuning components and rotating components. The second motor drives the transmission gear to rotate to realize the rotation of the parts, and the first motor drives the screw to rotate, and accurately position and move using threaded blocks and slide rails.
When machining spherical parts, the center of the circle is fixed, and only the height of the machining part needs to be controlled to be on the trajectory of spherical movement, which reduces the movement stroke, simplifies the movement procedure, and improves machining efficiency and accuracy.
Smart Images

Figure CN222696575U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a composite multi-axis numerical control machine tool. Background Art
[0002] CNC machine tool is the abbreviation of digital control machine tool, which is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, express them in coded numbers, and input them into the CNC device through information carriers. After calculation and processing, the CNC device sends various control signals to control the movement of the machine tool and automatically process parts according to the shape and size required by the drawing;
[0003] A Chinese patent with publication number CN210360430U was searched and disclosed a multi-axis CNC machining machine tool.
[0004] The above technical solution includes: a frame, a cleaning mechanism is arranged below the frame, a workbench is fixedly installed on the upper surface of the frame, a second slide groove is provided on the upper surface of the workbench, a clamping mechanism is embedded and installed above the second slide groove, a hood is fixed above the frame, three groups of motors are arranged on the inner wall of the hood, a grinding head is arranged at the driving end of the motor, the clamping mechanism includes a driving motor, a first gear is arranged at the driving end of the driving motor, and a second gear is meshed on one side of the first gear. The utility model optimizes the way in which the workpiece is clamped and fixed by the cylinder by arranging the clamping mechanism, can quickly fix the workpiece, ensures a good fixing effect, avoids the deviation of the workpiece processing caused by relative sliding of the workpiece, and improves the processing yield of the workpiece;
[0005] However, in the above scheme, when processing the spherical surface, this technology needs to perform complex and cumbersome moving steps to simulate the moving trajectory of the spherical surface. This method is very cumbersome, with a large moving stroke and low efficiency. In this technology, parts are processed in three dimensions through three moving directions, but because it targets the entire processing surface, it is necessary to maintain a certain positioning and processing speed. Therefore, when processing fine parts, the positioning and movement accuracy cannot be well taken into account.
[0006] To this end, we propose a composite multi-axis CNC machine tool. Utility Model Content
[0007] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a composite multi-axis CNC machine tool.
[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a composite multi-axis CNC machine tool, including a base, characterized in that: a fine-tuning component is fixedly connected above the base, a rotating component is fixedly connected above the fine-tuning component, a planar moving processing part is vertically arranged above the rotating component, the processing part is fixedly connected to a lift, the lift is fixedly connected to a column, and the column is fixedly connected to the base.
[0009] Preferably, the fine-tuning assembly includes two support frames, one side of one of the support frames is rotatably connected to a transmission gear via a connecting shaft, the transmission gear is fixedly connected to the output end of the second motor, and the upper end of the transmission gear is meshed with a rotating gear.
[0010] Preferably, the rotating gear is rotatably connected to the support frame via a connecting shaft, one side of the connecting shaft is fixedly connected to a support plate via a connecting block, a rotating frame is sleeved on the connecting shaft, the rotating frame is fixedly connected to the support plate, and a tooling is fixedly connected to the support plate.
[0011] Preferably, the rotating frame comprises two rotating disks, the outer sides of the two rotating disks are fixedly connected with connecting rods extending outwards, and a supporting rod arranged in the middle of the span is fixedly connected between the connecting rods.
[0012] Preferably, another fine-tuning component is fixedly connected to the upper end of the fine-tuning component, and the two fine-tuning components are vertically cross-arranged.
[0013] Preferably, the fine-tuning assembly comprises a slide rail, a slider is slidably connected inside the slide rail, a top plate is fixedly connected to the upper end of the slider, and a threaded block is fixedly connected to the center of the lower end of the top plate.
[0014] Preferably, the threaded block is threadedly connected to a screw rod, one end of the screw rod is fixedly connected to the first motor, and the other end of the screw rod is rotatably connected to a limiting column.
[0015] The utility model provides a composite multi-axis CNC machine tool, which has the following improvements and advantages compared with the prior art:
[0016] (1) The utility model adopts a driving part to rotate, and a support frame is provided with a transmission gear connected to one side through a connecting shaft, the transmission gear is fixedly connected to the output end of the second motor, and a rotating gear is meshed on the upper end of the transmission gear, and the rotating gear is rotatably connected to the support frame through the connecting shaft, and one side of the connecting shaft is also fixedly connected to a support plate through a connecting block, and a rotating frame is also sleeved on the connecting shaft, and the rotating frame is fixedly connected to the support plate, and a tool is fixedly connected to the support plate. The rotating frame includes two rotating disks, and the outer sides of the two rotating disks are fixedly connected to connecting rods extending outward, and a support rod set in the middle of the span is fixedly connected between the connecting rods. The transmission gear is driven to rotate by the second motor, and the transmission gear drives the rotating gear to rotate and rotate the parts installed on the tool through the rotating shaft. At this time, when processing the spherical parts, the center of the circle is fixed, and it is only necessary to control the height of the workpiece to be on the trajectory of the spherical movement, so that the processing of the spherical surface can be completed well, the moving stroke is reduced, the moving procedure is simplified, and the processing effect is better and the processing efficiency is better.
[0017] (2) The utility model adopts two fine-tuning components which are arranged vertically and crosswise, and another fine-tuning component is fixedly connected to the upper end of the fine-tuning component. The two fine-tuning components are arranged vertically and crosswise, and the fine-tuning components include a slide rail, a slider is slidably connected in the slide rail, a top plate is fixedly connected to the upper end of the slider, a threaded block is fixedly connected to the center of the lower end of the top plate, the threaded block is threadedly connected to the screw rod, one end of the screw rod is fixedly connected to the first motor, and the other end of the screw rod is rotatably connected to the limit column. By setting the fine-tuning components, when the workpiece moves to the corresponding position, the first motor drives the screw rod to rotate, and the rotation of the screw rod drives the top plate to move on the slide rail through the threaded block. By using equipment with more precise positioning, the lack of precision can be compensated, the positioning of parts can be better controlled, and the movement can be more precise, thereby improving the processing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.
[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0020] Figure 2 It is a three-dimensional schematic diagram of the structure of the rotating assembly in the utility model;
[0021] Figure 3 It is a schematic diagram of the structure of the rotating frame in the utility model;
[0022] Figure 4It is a structural stereoscopic schematic diagram of the fine-tuning component in the utility model.
[0023] Legend:
[0024] 10. Base; 11. Column; 12. Lifter; 13. Workpiece; 20. Fine-tuning assembly; 21. Slide rail; 22. Slider; 23. Top plate; 24. Threaded block; 25. First motor; 26. Screw rod; 27. Limit column; 30. Rotating assembly; 31. Second motor; 32. Rotating gear; 33. Transmission gear; 34. Support frame; 35. Connecting shaft; 36. Connecting block; 37. Support plate; 38. Tooling; 40. Rotating frame; 41. Rotating disk; 42. Connecting rod; 43. Support rod. DETAILED DESCRIPTION
[0025] Below, the invention is further described in conjunction with the accompanying drawings and specific embodiments:
[0026] Example 1
[0027] See also Figures 1 to 3 Embodiment 1 is described, including a base 10, a fine-tuning assembly 20 is fixedly connected above the base 10, a rotating assembly 30 is fixedly connected above the fine-tuning assembly 20, a workpiece 13 that moves in a plane is vertically arranged above the rotating assembly 30, the workpiece 13 can complete the movement on the plane to process the parts, the workpiece 13 is fixedly connected to the elevator 12, the elevator 12 controls the height of the workpiece 13 to process the parts, the elevator 12 is fixedly connected to the column 11, the column 11 is fixedly connected to the base 10, the fine-tuning assembly 20 includes two support frames 34, one side of one support frame 34 is rotatably connected to a transmission gear 33 through a connecting shaft 35, the connecting shaft 35 is rotatably connected to the support frame 34, the connecting shaft 35 is fixedly connected to the transmission gear 33, the transmission gear 33 is fixedly connected to the output end of the second motor 31, and the upper end of the transmission gear 33 is meshed with a rotating gear 3 2. The second motor 31 drives the rotating gear 32 to rotate through the transmission gear 33. The rotating gear 32 is rotatably connected to the support frame 34 through the connecting shaft 35. A support plate 37 is fixedly connected to one side of the connecting shaft 35 through a connecting block 36. The rotation of the connecting shaft 35 drives the support plate 37 to rotate. A rotating frame 40 is also sleeved on the connecting shaft 35. The rotating frame 40 is used to support the support plate 37. The rotating frame 40 is fixedly connected to the support plate 37. A tool 38 is fixedly connected to the support plate 37. The tool 38 is used to install parts. The rotating frame 40 includes two rotating disks 41. The rotating disks 41 rotate with the connecting shaft 35. The outer sides of the two rotating disks 41 are fixedly connected with connecting rods 42 extending outward. A support rod 43 set in the middle of the span is fixedly connected between the connecting rods 42 to enhance the support strength of the support plate 37 and provide stable support when the support plate 37 rotates.
[0028] In this embodiment, the transmission gear 33 is driven to rotate by the second motor 31, and the transmission gear 33 drives the rotating gear 32 to rotate through the rotating shaft to drive the connecting block 36 to rotate, and the rotation of the connecting block 36 drives the support plate 37 to rotate, and the rotation of the support plate 37 drives the tooling 38 to rotate along the rotating shaft. At this time, when processing the spherical part, the center of the circle is placed on the rotating shaft, and it is only necessary to control the height of the workpiece 13 to be on the trajectory of the spherical movement, which can better complete the processing of the spherical surface, reduce the moving stroke, simplify the moving procedure, and achieve better processing effect and better processing efficiency. A rotating frame 40 is provided to support the support plate 37, which can better improve the structural stability of the support plate 37.
[0029] Example 2
[0030] See also Figure 1 and Figure 4 Embodiment 2 is described, including a fine-tuning component 20 having another fine-tuning component 20 fixedly connected to the upper end thereof, the two fine-tuning components 20 being arranged vertically and crosswise, the two fine-tuning components 20 being used to complete the movement of the part on the plane, the fine-tuning component 20 comprising a slide rail 21, a slider 22 being slidably connected inside the slide rail 21, the slide rail 21 and the slider 22 being set to limit to prevent displacement, a top plate 23 being fixedly connected to the upper end of the slider 22, the top plate 23 being used to install another fine-tuning component 20 or a rotating component 30, a threaded block 24 being fixedly connected to the center of the lower end of the top plate 23, the threaded block 24 being threadedly connected to a screw rod 26, the screw rod 26 rotating to drive the threaded block 24 to move, one end of the screw rod 26 being fixedly connected to a first motor 25, the first motor 25 adopts a motor for fine operation, the other end of the screw rod 26 being rotatably connected to a limiting column 27, the limiting column 27 supporting the screw rod 26;
[0031] In this embodiment, by setting a fine-tuning component 20, when the workpiece 13 moves to the corresponding position, the first motor 25 drives the screw rod 26 to rotate, and the rotation of the screw rod 26 drives the threaded block 24 to move on the screw rod 26. The movement of the threaded block 24 drives the top plate 23 to move, and the top plate 23 slides on the slide rail 21. The first motor 25 with more precise positioning is used to make up for the lack of accuracy caused by the original technology in order to ensure processing efficiency, and can better control the positioning of parts and more accurately move, thereby improving the processing accuracy.
Claims
1. A composite multi-axis CNC machine tool, comprising a base (10), characterized in that: A fine-tuning assembly (20) is fixedly connected above the base (10), a rotating assembly (30) is fixedly connected above the fine-tuning assembly (20), a planar movable processing piece (13) is vertically arranged above the rotating assembly (30), the processing piece (13) is fixedly connected to the elevator (12), the elevator (12) is fixedly connected to the column (11), and the column (11) is fixedly connected to the base (10).
2. A composite multi-axis CNC machine tool according to claim 1, characterized in that: The fine adjustment assembly (20) comprises two support frames (34), one side of one of the support frames (34) being rotatably connected to a transmission gear (33) via a connecting shaft (35), the transmission gear (33) being fixedly connected to the output end of the second motor (31), and the upper end of the transmission gear (33) being meshed with a rotating gear (32).
3. A composite multi-axis CNC machine tool according to claim 2, characterized in that: The rotating gear (32) is rotatably connected to the support frame (34) via a connecting shaft (35); one side of the connecting shaft (35) is fixedly connected to a support plate (37) via a connecting block (36); a rotating frame (40) is sleeved on the connecting shaft (35); the rotating frame (40) is fixedly connected to the support plate (37); and a tooling (38) is fixedly connected to the support plate (37).
4. A composite multi-axis CNC machine tool according to claim 3, characterized in that: The rotating frame (40) comprises two rotating disks (41), the outer sides of the two rotating disks (41) are fixedly connected to connecting rods (42) extending outwards, and a supporting rod (43) arranged in the middle of the span is fixedly connected between the connecting rods (42).
5. The composite multi-axis CNC machine tool according to claim 1, characterized in that: Another fine-adjustment component (20) is fixedly connected to the upper end of the fine-adjustment component (20), and the two fine-adjustment components (20) are arranged vertically and crosswise.
6. The composite multi-axis CNC machine tool according to claim 1, characterized in that: The fine adjustment assembly (20) comprises a slide rail (21), a slider (22) is slidably connected inside the slide rail (21), a top plate (23) is fixedly connected to the upper end of the slider (22), and a threaded block (24) is fixedly connected to the center of the lower end of the top plate (23).
7. A composite multi-axis CNC machine tool according to claim 6, characterized in that: The threaded block (24) is threadedly connected to the screw rod (26); one end of the screw rod (26) is fixedly connected to the first motor (25); and the other end of the screw rod (26) is rotatably connected to the limiting column (27).
Citation Information
Patent Citations
Multi-axis numerical control machining tool
CN210360430U