Five-axis numerical control machining device
By introducing a separation component and a deceleration and reset component into the five-axis CNC machining device, the problem of collision between the measuring probe and the workpiece surface is solved, enabling safe rotation of the measuring probe and accurate measurement, thereby improving the safety and accuracy of machining and inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINHUANGDAO DICASTAL XIONGLONG WHEEL
- Filing Date
- 2025-05-16
- Publication Date
- 2026-05-15
AI Technical Summary
When measuring automotive steering knuckles, existing five-axis machining equipment is prone to the measuring probe colliding or rubbing against the workpiece surface, affecting the measurement accuracy and probe lifespan.
A five-axis CNC machining device was designed, which uses a separation component and a deceleration and reset component. Through the cooperation of the guide ring, toothed plate and push plate, the clockwise rotation and deceleration reset of the measuring probe are realized, avoiding the collision between the probe and the workpiece surface.
This effectively avoids damage to the measuring probe when the steering knuckle changes the measuring direction, improves the safety of the processing and inspection process, and ensures the safety and accuracy of the probe in use.
Smart Images
Figure CN224238997U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of CNC machining equipment technology, specifically a five-axis CNC machining device. Background Technology
[0002] The steering knuckle is a crucial component of the automotive steering system, and its quality and precision directly affect the vehicle's handling performance and safety. Due to its complex structure, measuring the steering knuckle is constrained by its spatial angle, requiring measurements at different positions and angles. This necessitates the use of specialized coordinate measuring machines (CMMs). Production and debugging requirements often necessitate the use of multiple CMMs, wasting product debugging time, delaying production, and increasing costs in terms of personnel, equipment, space, and resources.
[0003] In the prior art, the dimensions of automotive steering knuckles after machining are measured and inspected by setting a measuring probe on the side of a five-axis machining equipment. The machining accuracy of the automotive steering knuckle workpiece can be more accurately determined by data comparison. However, during the measurement process, the automotive steering knuckle will rotate five axes due to machining requirements. During this rotation, the measuring probe is prone to collision or friction with the surface of the automotive steering knuckle workpiece, which will adversely affect the subsequent use of the measuring probe. In view of this, we propose a five-axis CNC machining device. Utility Model Content
[0004] The purpose of this invention is to provide a five-axis CNC machining device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a five-axis CNC machining device, including a worktable, a top frame fixedly mounted on the upper surface of the worktable, a five-axis drive device fixedly mounted on the upper surface of the top frame, an A-axis fixedly mounted on the output end of the five-axis drive device, a clamping fixture fixedly mounted on the bottom end of the A-axis, a slide block slidably mounted on the upper surface of the worktable, a measuring probe provided on the upper surface of the slide block, and a separation component provided on the upper surface of the worktable;
[0006] The separation assembly includes a guide ring, the guide ring's axis being fixedly mounted on the outer wall of axis A. A toothed plate is fixedly mounted on the arc-shaped outer wall of the guide ring, with five sets of toothed plates. A calibration groove is provided at the connection between adjacent sets of toothed plates. An adjustment plate is fixedly mounted on the upper surface of the worktable. A straight groove and a Z-shaped groove are provided on the inner wall of the adjustment plate. A main rod is movably mounted inside the straight groove. A main shaft is fixedly mounted through and on the outer wall of the main rod, and the main shaft is fixedly connected to a measuring probe. A secondary rod is fixedly mounted through and on the inner wall of the main shaft, and the secondary rod is located inside the Z-shaped groove. A mounting bracket is fixedly mounted on the top of the slide block, and a push plate is fixedly mounted on the top of the mounting bracket.
[0007] Preferably, the top ends of the toothed plate and the push plate are located in the same plane, and the width of the outer wall of the push plate near the toothed plate is adapted to the width of the calibration groove.
[0008] Preferably, the toothed plate is shaped like an isosceles trapezoid, wider at the end near the guide ring and narrower at the end away from the guide ring, thereby forming an inclined surface on both sides of the toothed plate. The intersection of the inclined surface and the end of the toothed plate away from the guide ring is rounded to avoid jamming of the push plate.
[0009] Preferably, the outer diameter of the main rod is adapted to the inner diameter of the straight groove, and the outer diameter of the auxiliary rod is adapted to the inner diameter of the Z-shaped groove, so as to ensure the relative stability of the main rod and the auxiliary rod when they move inside the straight groove and the Z-shaped groove respectively.
[0010] Preferably, the auxiliary rod is positioned below the main rod in the vertical direction, so that when the slide slides along the upper surface of the worktable toward the side away from the A-axis, the main shaft drives the measuring probe to rotate clockwise around the main rod as the rotation center due to the guidance of the Z-groove and the auxiliary rod.
[0011] Preferably, a deceleration and reset assembly is provided below the slide block, the deceleration and reset assembly includes a reset spring, a groove is formed on the upper surface of the worktable, the end of the reset spring is fixedly connected between the side of the slide block and the inner wall of the end of the groove, a fixing rod is fixedly installed on the inner wall of both ends of the groove, a spiral groove is formed on the arc-shaped outer wall of the fixing rod, a protrusion is fixedly installed on the arc-shaped inner surface of the spiral groove, a deceleration ring is rotatably installed on the bottom inner wall of the slide block, and a rubber ball is fixedly installed on the arc-shaped inner surface of the deceleration ring.
[0012] Preferably, the number of protrusions is set to several, and the several protrusions are evenly distributed on the inner surface of the spiral chute. The reset spring is sleeved on the outside of the fixed rod. The reset spring is designed so that the slide can drive the measuring probe to reset after the A-axis changes the position to be detected of the steering knuckle of the car.
[0013] Compared with the prior art, this utility model provides a five-axis CNC machining device, which has the following beneficial effects:
[0014] 1. This five-axis CNC machining device, by setting up a separation component, allows the push plate to move towards the end of the toothed plate away from the guide ring when the five-axis drive device drives the A-axis and the workpiece of the automobile steering knuckle fixed in the clamping fixture to measure the rotation angle. This causes the mounting bracket and slide to move along the upper surface of the worktable away from the A-axis. At the same time, due to the guidance of the Z-groove and the auxiliary rod, the spindle drives the measuring probe to rotate clockwise around the main rod as the rotation center, thereby accelerating the speed at which the tip of the measuring probe leaves the surface of the automobile steering knuckle. This effectively avoids damage to the measuring probe when the automobile steering knuckle changes the measurement direction, improving the safety of the device during processing and inspection.
[0015] 2. This five-axis CNC machining device is equipped with a deceleration and reset assembly. The slide block drives the protrusion to move linearly in the slide groove. In conjunction with the sliding of the rubber ball in the spiral chute, the reset of the slide block on the worktable is affected by the rotation of the deceleration ring. This allows the slide block to move at a relatively slow speed during reset, thereby avoiding collisions or impacts between the measuring probe and the surface of the automotive steering knuckle workpiece due to the rapid movement of the slide block, thus ensuring the safety of the measuring probe. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the main structure of the present utility model;
[0017] Figure 2 This is a schematic diagram of the workbench structure of this utility model;
[0018] Figure 3 This is a partial explosion diagram of the separation component of this utility model;
[0019] Figure 4 This is a schematic cross-sectional view of the slide block structure of this utility model;
[0020] Figure 5 This is a schematic diagram of the deceleration ring structure of this utility model.
[0021] In the diagram: 1. Workbench; 2. Top frame; 3. Five-axis drive device; 4. A-axis; 5. Clamping fixture; 6. Slide; 7. Measuring probe; 8. Separation assembly; 81. Guide ring; 82. Toothed plate; 83. Calibration groove; 84. Adjusting plate; 85. Straight groove; 86. Z-groove; 87. Main rod; 88. Secondary rod; 89. Mounting bracket; 810. Push plate; 9. Deceleration and reset assembly; 91. Reset spring; 92. Fixed rod; 93. Spiral chute; 94. Protrusion; 95. Deceleration ring; 96. Rubber ball. Detailed Implementation
[0022] like Figures 1-5 As shown, this utility model provides a technical solution: a five-axis CNC machining device, including a worktable 1, a top frame 2 fixedly installed on the upper surface of the worktable 1, a five-axis drive device 3 fixedly installed on the upper surface of the top frame 2, an A-axis 4 fixedly installed at the output end of the five-axis drive device 3, a clamping fixture 5 fixedly installed at the bottom end of the A-axis 4, a slide block 6 slidably installed on the upper surface of the worktable 1, a measuring probe 7 provided on the upper surface of the slide block 6, and a separation component 8 provided on the upper surface of the worktable 1. The separation component 8 includes a guide ring 81, a toothed plate 82, a calibration groove 83, an adjusting plate 84, a straight groove 85, a Z-shaped groove 86, a main rod 87, a secondary rod 88, a mounting bracket 89, and a push plate 810.
[0023] In one embodiment of this utility model, the guide ring 81 is fixedly installed on the outer wall of the A-axis 4 at its axial center. A toothed plate 82 is fixedly installed on the arc-shaped outer wall of the guide ring 81. Five sets of toothed plates 82 are provided. A calibration groove 83 is provided at the connection between two adjacent sets of toothed plates 82. An adjustment plate 84 is fixedly installed on the upper surface of the worktable 1. A straight groove 85 is provided on the inner wall of the adjustment plate 84. A Z-shaped groove 86 is provided on the inner wall of the adjustment plate 84. A main rod 87 is movably installed inside the straight groove 85. A main shaft is fixedly installed through the outer wall of the main rod 87. The main shaft is fixedly connected to the measuring probe 7. A secondary rod 88 is fixedly installed through the inner wall of the main shaft. The secondary rod 88 is located inside the Z-shaped groove 86. A mounting bracket 89 is fixedly installed on the top of the slide block 6. A push plate 810 is fixedly installed on the top of the mounting bracket 89.
[0024] Furthermore, multiple sets of clamping fixtures 5 are arranged in a circular array on the bottom surface of axis A4. The five-axis drive device 3 controls axis A4 to rotate the clamping fixtures 5, thereby fixing the automotive steering knuckle workpiece on the bottom surface of axis A4 through the clamping fixtures 5 and allowing it to rotate in the horizontal plane. This is to cooperate with the horizontally arranged measuring probe 7 to measure the machining quality of the automotive steering knuckle. At the same time, the top ends of the toothed plate 82 and the push plate 810 are arranged in the same plane, and the width of the outer wall of the push plate 810 near the toothed plate 82 is adapted to the width of the calibration groove 83. In addition, the toothed plate 82 is arranged in an isosceles trapezoidal shape, which is wider near the guide ring 81 and narrower away from the guide ring 81, thereby forming an inclined surface on both sides of the toothed plate 82. The intersection point of the inclined surface with the end of the toothed plate 82 away from the guide ring 81 is rounded to avoid jamming of the push plate 810.
[0025] Meanwhile, two sets of adjustment plates 84 are provided, and the two sets of adjustment plates 84 are symmetrically arranged about the vertical central axis of the slide block 6. The outer diameter of the main rod 87 is matched with the inner diameter of the straight groove 85, and the outer diameter of the auxiliary rod 88 is matched with the inner diameter of the Z-shaped groove 86. This ensures the relative stability of the main rod 87 and the auxiliary rod 88 when they move inside the straight groove 85 and the Z-shaped groove 86, respectively. Furthermore, the auxiliary rod 88 is located below the main rod 87 in the vertical direction. Thus, when the slide block 6 slides along the upper surface of the worktable 1 toward the side away from the A-axis 4, the Z-shaped groove 86 and the auxiliary rod 88 guide the main shaft to drive the measuring probe 7 to rotate clockwise around the main rod 87 as the rotation center. This accelerates the speed at which the tip of the measuring probe 7 leaves the surface of the car steering knuckle, effectively preventing damage to the measuring probe 7 when the car steering knuckle changes the measurement direction and improving the safety of the device during processing and testing.
[0026] In addition, a deceleration and reset assembly 9 is provided below the slide block 6. The deceleration and reset assembly 9 includes a reset spring 91. A slide groove is provided on the upper surface of the worktable 1. The end of the reset spring 91 is fixedly connected between the side of the slide block 6 and the inner wall of the end of the slide groove. Fixed rods 92 are fixedly installed on the inner walls of both ends of the slide groove. A spiral chute 93 is provided on the arc-shaped outer wall of the fixed rod 92. A protrusion 94 is fixedly installed on the arc-shaped inner surface of the spiral chute 93. A deceleration ring 95 is rotatably installed on the inner wall of the bottom of the slide block 6. A rubber ball 96 is fixedly installed on the arc-shaped inner surface of the deceleration ring 95.
[0027] In this embodiment of the invention, a protrusion adapted to the size of the slide groove is provided on the bottom outer wall of the slide block 6, and the protrusion is located inside the slide groove. Meanwhile, the fixing rod 92 passes through the interior of the deceleration ring 95, and the rubber ball 96 is located inside the spiral chute 93. Specifically, a plurality of protrusions 94 are provided, and the plurality of protrusions 94 are evenly distributed on the inner surface of the spiral chute 93. A return spring 91 is sleeved on the outside of the fixing rod 92. The return spring 91 enables the slide block 6 to drive the measuring probe 7 along the A-axis. 4. After the position of the automotive steering knuckle to be tested is changed, it can be reset to facilitate subsequent measurement work. At the same time, the linear movement of the protrusion in the slide groove is driven by the slide block 6, and the sliding of the rubber ball 96 in the spiral chute 93 makes the reset of the slide block 6 on the worktable 1 affected by the rotation of the deceleration ring 95. This makes the slide block 6 move at a relatively slow speed during reset, thereby avoiding collision or impact between the measuring probe 7 and the surface of the automotive steering knuckle workpiece due to the rapid movement of the slide block 6, so as to ensure the safety of the measuring probe 7.
[0028] In this invention, during use, the automotive steering knuckle is fixed to the bottom surface of the A-axis 4 using a clamping fixture 5. The five-axis drive device 3 controls the A-axis 4 to rotate the clamping fixture 5 on a horizontal plane to cooperate with the horizontally positioned measuring probe 7 to measure the machining quality of the automotive steering knuckle. After the accuracy measurement on one side of the automotive steering knuckle workpiece is completed, the five-axis drive device 3 is controlled to rotate the A-axis 4 by a certain angle. During this process, the top side of the push plate 810, which is attached to the inclined surface of the toothed plate 82 in the side direction, moves towards the end of the toothed plate 82 away from the guide ring 81. This causes the mounting bracket 89 and the slide 6 to move along the upper surface of the worktable 1 away from the A-axis 4, so that the measuring probe 7 can quickly move away from the automotive steering knuckle. This prevents the measuring probe 7 from being damaged by collision when the automotive steering knuckle changes its measurement direction, thus affecting the subsequent normal use of the measuring probe 7.
[0029] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A five-axis CNC machining device, comprising a worktable (1), a top frame (2) fixedly mounted on the upper surface of the worktable (1), a five-axis drive device (3) fixedly mounted on the upper surface of the top frame (2), an A-axis (4) fixedly mounted on the output end of the five-axis drive device (3), a clamping fixture (5) fixedly mounted on the bottom end of the A-axis (4), a slide block (6) slidably mounted on the upper surface of the worktable (1), and a measuring probe (7) provided on the upper surface of the slide block (6), characterized in that: The upper surface of the workbench (1) is provided with a separation component (8); The separation component (8) includes a guide ring (81), the guide ring (81) is fixedly mounted on the outer wall of the A-axis (4) at its axial center, and a toothed plate (82) is fixedly mounted on the arc-shaped outer wall of the guide ring (81). Five sets of toothed plates (82) are provided, and a calibration groove (83) is provided at the connection between adjacent sets of toothed plates (82). An adjustment plate (84) is fixedly mounted on the upper surface of the worktable (1), and a straight groove (85) is provided on the inner wall of the adjustment plate (84). The inner wall of the section plate (84) is provided with a Z-shaped groove (86). The main rod (87) is movably installed inside the straight groove (85). The outer wall of the main rod (87) is through which a main shaft is fixedly installed. The main shaft is fixedly connected to the measuring probe (7). The inner wall of the main shaft is through which a secondary rod (88) is fixedly installed. The secondary rod (88) is located inside the Z-shaped groove (86). The top of the slide (6) is fixedly installed with a mounting bracket (89). The top of the mounting bracket (89) is fixedly installed with a push plate (810).
2. The five-axis CNC machining device according to claim 1, characterized in that: The top of the toothed plate (82) and the push plate (810) are located in the same plane, and the width of the outer wall of the push plate (810) near the toothed plate (82) is adapted to the width of the calibration groove (83).
3. A five-axis CNC machining device according to claim 1, characterized in that: The toothed plate (82) is set in the shape of an isosceles trapezoid, which is wider at the end near the guide ring (81) and narrower at the end away from the guide ring (81), thereby forming an inclined surface on both sides of the toothed plate (82), and the intersection point of the inclined surface and the end of the toothed plate (82) away from the guide ring (81) is set with a rounded corner.
4. A five-axis CNC machining device according to claim 1, characterized in that: The outer diameter of the main rod (87) is adapted to the inner diameter of the straight groove (85), while the outer diameter of the auxiliary rod (88) is adapted to the inner diameter of the Z-shaped groove (86).
5. A five-axis CNC machining device according to claim 1, characterized in that: The secondary rod (88) is located below the main rod (87) in the vertical direction.
6. A five-axis CNC machining device according to claim 1, characterized in that: A deceleration and reset assembly (9) is provided below the slide (6). The deceleration and reset assembly (9) includes a reset spring (91). A groove is provided on the upper surface of the worktable (1). The end of the reset spring (91) is fixedly connected between the side of the slide (6) and the inner wall of the end of the groove. Fixed rods (92) are fixedly installed on the inner walls of both ends of the groove. A spiral chute (93) is provided on the arc-shaped outer wall of the fixed rod (92). A protrusion (94) is fixedly installed on the arc-shaped inner surface of the spiral chute (93). A deceleration ring (95) is rotatably installed on the bottom inner wall of the slide (6). A rubber ball (96) is fixedly installed on the arc-shaped inner surface of the deceleration ring (95).
7. A five-axis CNC machining device according to claim 6, characterized in that: The number of protrusions (94) is set to several, and the several protrusions (94) are evenly distributed on the inner surface of the spiral chute (93), and the reset spring (91) is sleeved on the outside of the fixed rod (92).