Numerical control five-axis grinding machine
By designing a five-axis linkage mechanism for a CNC five-axis grinding machine, the problems of workpiece vibration and insufficient precision in existing technologies have been solved, enabling high-precision machining of multiple surfaces of complex cutting tools and shears.
Patent Information
- Application Number
- CN202520426587.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
There is a lack of CNC grinding equipment in the current technology that can achieve five-axis linkage and guarantee accuracy, especially to avoid machining errors caused by vibration during workpiece grinding.
A five-axis CNC grinding machine was designed, which includes X-axis transverse movement, Y-axis lifting movement, A-axis rotation, C-axis rotation and Z-axis forward and backward movement mechanisms. The machine achieves multi-surface machining of the workpiece through five-axis linkage. A reducer and a rotary motor are used to reduce vibration and ensure machining accuracy.
It enables multi-station, multi-surface machining of workpieces, meets the diverse needs of complex cutting tools and shears, ensures machining accuracy, and avoids errors caused by vibration.
Smart Images
Figure CN223802264U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hardware scissors technology field especially, it relates to a numerical control five -axis grinding machine. BACKGROUND
[0002] Scissors production and processing is a traditional second industry, along with the development of the times, people's demand for scissors gradually diversifies, and the scissors style on the market is also strange, and the various styles of scissors mean that the processing of scissors becomes more complex, and some scissors need to be ground on two or more surfaces, therefore, on the basis of market demand, the innovation of the machine should also keep up with the development of the scissors industry.
[0003] At present, there is no numerical control grinding tool equipment on the market that can realize five-axis linkage and ensure a certain precision requirement, and the biggest technical difficulty is that the machine needs to rotate the angle and rotate the shaft at the same time when grinding the workpiece, in addition, under the premise of realizing A-axis angle and C-axis rotation, vibration needs to be avoided to prevent vibration from causing errors in workpiece processing, and ensure that the processing surface will not change in position. UTILITARIAN CONTENT
[0004] In view of the defects existing in the prior art, the purpose of the utility model is to provide a numerical control five-axis grinding machine to solve the problem of multi-surface processing of complex scissors workpieces.
[0005] The purpose of the utility model is realized by adopting the following technical scheme:
[0006] A numerical control five-axis grinding machine, comprising a base, wherein the base is provided with an X-axis transverse moving mechanism and a Z-axis forward and backward moving mechanism, the X-axis transverse moving mechanism is provided with a Y-axis lifting moving mechanism, the Y-axis lifting moving mechanism is provided with an A-axis rotating mechanism, the rotating axis of the A-axis rotating mechanism is parallel to the X-axis, the A-axis rotating mechanism is provided with a C-axis rotating mechanism, the C-axis rotating mechanism is rotatable on the A-axis rotating mechanism and the rotating shaft is perpendicular to the rotating shaft of the A-axis rotating mechanism, the C-axis rotating mechanism is fixed with a workpiece, the Z-axis forward and backward moving mechanism is provided with a grinding wheel, and the grinding wheel faces the A-axis rotating mechanism.
[0007] Further, the A-axis rotating mechanism comprises an A-axis rotating table and a first driving device, both ends of the A-axis rotating table are rotatably arranged on the Y-axis lifting moving mechanism, and the first driving device is used for driving the A-axis rotating table to rotate.
[0008] Further, the A-axis rotating table is provided with a mounting hole, and the C-axis rotating mechanism is arranged in the mounting hole.
[0009] Further, the C-axis rotating mechanism comprises a C-axis rotating table and a second driving reduction device, the C-axis rotating table is arranged in the mounting hole, and the second driving reduction device is used for driving the C-axis rotating table to rotate by any angle.
[0010] Further, the X-axis transverse moving mechanism comprises a transverse moving table, a first screw rod and a third driving mechanism, the transverse moving table is fixed on the base, the first screw rod is arranged transversely on the transverse moving table, and the third driving mechanism is used for driving the first screw rod.
[0011] Further, the Y-axis lifting moving mechanism comprises a lifting moving table, a second screw rod, a fourth driving mechanism and a sliding table, the lifting moving table moves transversely on the X-axis transverse moving mechanism, the second screw rod is arranged longitudinally on the lifting moving table, the fourth driving mechanism is used for driving the second screw rod, the sliding table is slidably arranged on the second screw rod, the A-axis rotating mechanism is arranged on the sliding table, and the A-axis rotating mechanism moves longitudinally along the second screw rod with the sliding table.
[0012] Further, the Z-axis front-back moving mechanism is provided with a fifth driving mechanism, and the fifth driving mechanism is used for driving the grinding wheel to rotate.
[0013] Further, the Z-axis front-back moving mechanism comprises a third screw rod, a sixth driving mechanism and a moving seat, the third screw rod is arranged on the base along the Z-axis direction, the sixth driving mechanism is used for driving the third screw rod, and the moving seat is slidably arranged on the third screw rod, and the fifth driving mechanism and the grinding wheel are arranged on the moving seat.
[0014] Further, one side of the base is fixed with a control device.
[0015] The beneficial effects of the utility model are as follows:
[0016] The utility model discloses a five-axis linkage function is realized through setting X-axis transverse moving mechanism, Y-axis lifting moving mechanism, A-axis rotating mechanism, C-axis rotating mechanism and Z-axis front-back moving mechanism, and the A-axis rotating mechanism is rotated and arranged on the Y-axis lifting moving mechanism, and the C-axis rotating mechanism is installed in the A-axis rotating mechanism and is dug round, so that the C-axis can rotate simultaneously when the A-axis swing angle is realized to the workpiece multi-station multi-grinding surface processing, and more complex cutter shear workpiece multi-surface processing is satisfied. DRAWINGS
[0017] Figure 1 It is the side view of the utility model numerical control five-axis grinding machine;
[0018] Figure 2 It is the plan view of the utility model numerical control five-axis grinding machine.
[0019] Figure 3 is the front view of the numerical control five-axis grinding machine of the utility model;
[0020] Figure 4 is the structure simplified view of the numerical control five-axis grinding machine of the utility model;
[0021] Figure 5 is the cooperation grinding schematic view of the workpiece and the grinding wheel in the utility model;
[0022] Figure 6 is a kind of grinding schematic view when the utility model is working.
[0023] In the drawing: 1, base;2, X-axis transverse moving mechanism;3, Z-axis front and back moving mechanism;4, Y-axis lifting moving mechanism;41, sliding table;5, A-axis rotating mechanism;51, A-axis rotating table;52, first driving device;6, C-axis rotating mechanism;61, C-axis rotating table;7, workpiece;8, grinding wheel;9, fifth driving mechanism;10, control device. DETAILED DESCRIPTION
[0024] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clearly, the utility model is further described below in conjunction with the drawings and examples.
[0025] As Figures 1-6 shown, the utility model provides a kind of numerical control five-axis grinding machine, including base 1, X-axis transverse moving mechanism 2 and Z-axis front and back moving mechanism 3 are equipped on base 1, Y-axis lifting moving mechanism 4 is equipped on X-axis transverse moving mechanism 2, A-axis rotating mechanism 5 is equipped on Y-axis lifting moving mechanism 4, the rotation axis of A-axis rotating mechanism 5 is parallel to X-axis, C-axis rotating mechanism 6 is equipped on A-axis rotating mechanism 5, C-axis rotating mechanism 6 can rotate on A-axis rotating mechanism 5 and the rotation shaft is perpendicular to the rotation axis of A-axis rotating mechanism 5, workpiece 7 is fixed on C-axis rotating mechanism 6, grinding wheel 8 is equipped on Z-axis front and back moving mechanism 3, and grinding wheel 8 is towards A-axis rotating mechanism 5.
[0026] X-axis transverse moving mechanism 2 provides the transverse movement of workpiece 7 in X-axis direction, when working, Y-axis lifting moving mechanism 4, A-axis rotating mechanism 5, C-axis rotating mechanism 6 and workpiece 7 are simultaneously moved by it.Y-axis lifting moving mechanism 4 provides the up and down movement of workpiece 7 in Y-axis direction, when working, A-axis rotating mechanism 5, C-axis rotating mechanism 6 and workpiece 7 are simultaneously moved by it.A-axis rotating mechanism 5 can drive C-axis rotating mechanism 6 to rotate around its own axis, i.e. the parallel direction of X-axis, adjusts the grinding angle of workpiece 7 relative to grinding wheel 8.C-axis rotating mechanism 6 can drive workpiece 7 to rotate any angle, further adjusts the processing surface of workpiece 7.
[0027] The grinding wheel 8 is arranged on the Z-axis forward and backward moving mechanism 3, the Z-axis forward and backward moving mechanism 3 drives the grinding wheel 8 to move close to the workpiece 7, until the grinding wheel 8 moves to a specific grinding position. When the workpiece 7 is ground, the grinding machine can realize five-axis movement, and at the same time realize the rotation and swing angle of the workpiece 7, which can adapt to the multi-surface machining of complex cutting workpieces 7.
[0028] The A-axis rotating mechanism 5 includes an A-axis rotating table 51 and a first driving device 52, both ends of the A-axis rotating table 51 are rotatably arranged on the sliding table 41 of the Y-axis lifting moving mechanism 4, and the first driving device 52 is used to drive the A-axis rotating table 51 to rotate. The A-axis rotating table 51 is installed on the Y-axis lifting moving mechanism 4 and can rotate relative to the Y-axis lifting moving mechanism 4, and the A-axis rotating mechanism 5 can adjust the grinding angle of the workpiece 7 relative to the grinding wheel 8.
[0029] A circular mounting hole is formed in the A-axis rotating table 51, and the C-axis rotating mechanism 6 is arranged in the mounting hole, which increases the stability of the C-axis rotating mechanism 6.
[0030] The C-axis rotating mechanism 6 includes a C-axis rotating table 61 and a second driving and reducing device, the C-axis rotating table 61 is arranged in the mounting hole, and the second driving and reducing device is used to drive the C-axis rotating table 61 to rotate by any angle. The second driving and reducing device cooperates with a rotating motor and a reducer, and can be installed on the mounting hole and the sliding table 41. The driving device of the C-axis rotating mechanism 6 increases the reducer, which has small volume, light weight and compact structure, is suitable for being installed in the limited mounting hole, has large transmission ratio, and has single-stage transmission ratio of 50-500, can meet the demand of high reduction ratio, has high motion precision, is suitable for application scenarios with extremely high precision requirements, can work in a closed space, is suitable for stable operation in harsh working conditions, meets the installation position required by the C-axis, and can reduce vibration, avoid vibration during grinding of the workpiece 7, and prevent the machining precision of the workpiece 7 from being reduced.
[0031] The X-axis transverse moving mechanism 2 includes a transverse moving table, a first screw rod and a third driving mechanism, the transverse moving table is fixed on the base 1, the first screw rod is arranged transversely on the transverse moving table, and the third driving mechanism is used to drive the first screw rod. The Y-axis lifting moving mechanism 4 moves transversely along the first screw rod.
[0032] The transverse moving table and the Y-axis lifting moving mechanism 4 are also provided with mutually matched guide rails and sliding grooves, so as to increase the stability of the Y-axis lifting moving mechanism 4 when moving transversely along the first screw rod.
[0033] The Y-axis lifting movement mechanism 4 comprises a lifting movement table, a second screw rod, a fourth driving mechanism and a sliding table 41, the lifting movement table moves laterally on the X-axis lateral movement mechanism 2, the second screw rod is longitudinally arranged on the lifting movement table, the fourth driving mechanism is used for driving the second screw rod, the sliding table 41 is slidably arranged on the second screw rod, the A-axis rotating mechanism 5 is arranged on the sliding table 41, and the A-axis rotating mechanism 5 moves longitudinally along the second screw rod with the sliding table 41.
[0034] The lifting movement table and the sliding table 41 are further provided with matched guide rails and sliding grooves, so as to increase the stability of the sliding table 41 when moving up and down along the second screw rod.
[0035] The Z-axis front-back movement mechanism 3 is provided with a fifth driving mechanism 9, and the fifth driving mechanism 9 is used for driving the grinding wheel 8 to rotate. The Z-axis front-back movement mechanism 3 adopts the prior art and can realize linear movement. Further, one side of the base 1 is fixed with a control device 10.
[0036] The Z-axis front-back movement mechanism 3 comprises a third screw rod, a sixth driving mechanism and a movement seat, the third screw rod is arranged on the base 1 along the Z-axis direction, the sixth driving mechanism is used for driving the third screw rod, and the movement seat is slidably arranged on the third screw rod. The fifth driving mechanism 9 and the grinding wheel 8 are arranged on the movement seat.
[0037] Working principle: The Z-axis front-back movement mechanism 3 is adjusted, the position of the grinding wheel 8 is determined, the workpiece 7 is fixed on the central region of the A-axis rotating table 51, that is, the surface of the C-axis rotating table 61, after the tool path program of the workpiece 7 is input, the control device 10 controls the X-axis lateral movement mechanism 2 and the Y-axis lifting movement mechanism 4 to move laterally and up and down to the Z-axis front-back movement mechanism 3 provided with the grinding wheel 8, in the movement process, the A-axis rotating mechanism 5 on the Y-axis lifting movement mechanism 4 will swing to an appropriate angle of the grinding tool path and the C-axis rotating mechanism 6 will rotate to cooperate, so that the grinding surface of the workpiece 7 can be accurately ground by the grinding wheel 8 on the Z-axis front-back movement mechanism 3.
[0038] Compared with the existing machine, the numerical control five-axis grinding machine can grind more complex workpieces 7, can realize the function of five-axis linkage, can process multiple grinding surfaces of the workpiece 7 in multiple stations, and specifically, referring to Figure 5 , the position of the workpiece 7 can be positioned and the multiple grinding surfaces of the workpiece 7 can be ground through four quadrants divided with the positioning point as the center, when the position of the workpiece 7 changes, the change of the workpiece 7 at each quadrant point is recognized, so that the five-axis mechanism is moved, the position of the workpiece 7 is adjusted, the surface of the workpiece 7 that needs to be ground can be accurately ground, and the machining precision can be ensured.
[0039] For the eccentric workpiece 7, the machine plans the grinding position according to the geometry of the workpiece 7 and the grinding path requirements, which is most suitable for the machining process of the eccentric workpiece 7. The eccentric workpiece 7 grinding track is ground according to the path completely coinciding with the outer contour curve, that is, the grinding wheel 8 is ground along the grinding path of the workpiece 7. The rotating eccentric workpiece 7 changes its grinding path relative to the grinding wheel 8 during grinding, and its grinding path gradually moves away from the grinding surface of the grinding wheel 8. At this time, the machine makes feedback through the change of the four quadrant points of the eccentric workpiece 7, that is, the Y-axis lifting movement mechanism 4 and the A-axis rotating mechanism 5 adjust the height and angle position of the eccentric workpiece 7, and at this time the X-axis transverse movement mechanism 2 also feeds along the direction of the grinding surface of the workpiece 7 ground by the grinding wheel 8, so that the grinding path of the eccentric workpiece 7 can be accurately ground by the grinding wheel 8, thereby completing the machining of the eccentric workpiece 7.
[0040] The utility model discloses a set X axis transverse movement mechanism 2, Y axis lifting movement mechanism 4, A axis rotating mechanism 5, C axis rotating mechanism 6 and Z axis front -back moving mechanism 3, realize five -axis linkage's function, through the A axis rotating mechanism 5 rotation setting on Y axis lifting movement mechanism 4 and in A axis rotating mechanism 5 on the C axis rotating mechanism 6 of digging circle installation, make C axis when A axis swing angle can rotate simultaneously, realize to workpiece 7 multi -station multi -grinding surface processing, satisfy more complex knife scissors workpiece 7's multi -surface processing.
[0041] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement and improvement etc. that are made in the spirit and principles of the utility model should fall within the protection scope of the utility model.
Claims
1. A CNC five-axis grinder, characterized by, The base (1) is provided with X-axis transverse moving mechanism (2) and Z-axis front and back moving mechanism (3), the X-axis transverse moving mechanism (2) is provided with Y-axis lifting moving mechanism (4), the Y-axis lifting moving mechanism (4) is provided with A-axis rotating mechanism (5), the rotating axis of A-axis rotating mechanism (5) is parallel to X-axis, A-axis rotating mechanism (5) is provided with C-axis rotating mechanism (6), C-axis rotating mechanism (6) is rotatable on A-axis rotating mechanism (5) and the rotating shaft is perpendicular to the rotating axis of A-axis rotating mechanism (5), C-axis rotating mechanism (6) is fixed with workpiece (7), Z-axis front and back moving mechanism (3) is provided with grinding wheel (8), grinding wheel (8) is towards A-axis rotating mechanism (5).
2. A CNC five-axis grinder according to claim 1, characterized in that The A-axis rotating mechanism (5) includes an A-axis rotating table (51) and a first driving device (52), both ends of the A-axis rotating table (51) are rotatably arranged on the Y-axis lifting moving mechanism (4), and the first driving device (52) is used for driving the A-axis rotating table (51) to rotate.
3. A CNC five-axis grinder according to claim 2, characterized in that The A-axis rotating table (51) is provided with a mounting hole, and the C-axis rotating mechanism (6) is arranged in the mounting hole.
4. A CNC five-axis grinder according to claim 3, characterized in that The C-axis rotating mechanism (6) includes a C-axis rotating table (61) and a second driving and reducing device, the C-axis rotating table (61) is arranged in the mounting hole, and the second driving and reducing device is used for driving the C-axis rotating table (61) to rotate by any angle.
5. The CNC five-axis grinder according to claim 1, wherein, The X-axis transverse moving mechanism (2) includes a transverse moving table, a first screw rod and a third driving mechanism, the transverse moving table is fixed on the base (1), the first screw rod is transversely arranged on the transverse moving table, the third driving mechanism is used for driving the first screw rod, and the Y-axis lifting moving mechanism (4) moves transversely along the first screw rod.
6. The CNC five-axis grinder according to claim 1, characterized in that, The Y-axis lifting moving mechanism (4) includes a lifting moving table, a second screw rod, a fourth driving mechanism and a sliding table (41), the lifting moving table moves transversely on the X-axis transverse moving mechanism (2), the second screw rod is longitudinally arranged on the lifting moving table, the fourth driving mechanism is used for driving the second screw rod, the sliding table (41) is slidably arranged on the second screw rod, and the A-axis rotating mechanism (5) is arranged on the sliding table (41). The A-axis rotating mechanism (5) moves longitudinally along the second screw rod with the sliding table (41).
7. The CNC five-axis grinder according to claim 1, characterized in that, The Z-axis front and back moving mechanism (3) is provided with a fifth driving mechanism (9), and the fifth driving mechanism (9) is used for driving the grinding wheel (8) to rotate.
8. A CNC five-axis grinder according to claim 7, characterized in that The Z-axis front and back moving mechanism (3) includes a third screw rod, a sixth driving mechanism and a moving seat, the third screw rod is arranged on the base (1) along the Z-axis direction, the sixth driving mechanism is used for driving the third screw rod, the moving seat is slidably arranged on the third screw rod, and the fifth driving mechanism (9) and the grinding wheel (8) are arranged on the moving seat.
9. The CNC five-axis grinder according to claim 1, characterized in that, One side of the base (1) is fixed with a control device (10).