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CN-121821129-B - Five-axis turning and milling compound machine type swing head main shaft anti-collision device

CN121821129BCN 121821129 BCN121821129 BCN 121821129BCN-121821129-B

Abstract

The invention discloses a five-axis turning and milling compound machine type head-swing main shaft anti-collision device, and relates to the technical field of numerical control turning and milling. Including the device seat, device seat middle part rear end is installed through the lift module and is processed the balance head, processing balance head bottom is located the peripheral fixedly connected with holding shell of axis of rotation, processing balance head peripherally installs buffer gear, holding shell internally mounted has brake mechanism, the movable block is provided with two sets of in the inboard surface spout of collision board, two sets of the movable block rear end rotates respectively and is connected with first deflection pole and second deflection pole, avoids processing balance head during operation to take place direct rigid collision, leads to the part to warp, the card is dead, effectively reduces lathe down time, cost of maintenance that the collision leads to, reduces the work piece disability rate, avoids processing balance head to continue the secondary collision and the chain collision that the motion causes because of inertia, has solved prior art braking response hysteresis lag, buffering and braking separation's core defect.

Inventors

  • HAN BO
  • YAO ZHUOYANG
  • YANG FAN

Assignees

  • 西安巨浪精密机械有限公司

Dates

Publication Date
20260508
Application Date
20260312

Claims (8)

  1. 1. The five-axis turning and milling compound type swing head main shaft anti-collision device comprises a device seat (1) and is characterized in that a processing swing head (2) is arranged at the rear end of the middle part of the device seat (1) through a lifting module, a clamping module (3) is arranged below the processing swing head (2) at the inner bottom end of the device seat (1), a rotating shaft (4) is arranged at the bottom of the processing swing head (2), a containing shell (5) is fixedly connected to the periphery of the rotating shaft (4) at the bottom end of the processing swing head (2), a buffer mechanism is arranged at the periphery of the processing swing head (2), and a braking mechanism is arranged in the containing shell (5); the buffer mechanism comprises a buffer seat (61) which is fixedly connected to the peripheral surface of a machining swinging head (2), a collision plate (62) is arranged on the outer side of the buffer seat (61) in a limiting sliding mode through a first spring, a closed space is formed, sliding grooves formed in the inner side surface of the collision plate (62) are used for limiting moving blocks (63), two groups of moving blocks (63) are arranged in sliding grooves formed in the inner side surface of the collision plate (62), the back ends of the two groups of moving blocks (63) are respectively connected with a first deflection rod (64) and a second deflection rod (65) in a rotating mode, a buffer tension spring (66) is arranged between the first deflection rod (64) and the second deflection rod (65) through a protruding block, supporting rods (67) are arranged on the outer sides of the first deflection rod (64) and the second deflection rod (65) in a limiting sliding mode, and one ends of the supporting rods (67) away from the collision plate (62) are located on the surface of the buffer seat (61) in a limiting sliding mode; The braking mechanism comprises a rotating ring (71) which is rotationally connected to the inner bottom end of a containing shell (5), a first abutting block (72) is fixedly connected to the top of the rotating ring (71), a limiting ring (73) is fixedly connected to the inner bottom end of the containing shell (5) and located on the inner side of the rotating ring (71), a through hole is formed in the surface of the limiting ring (73), a limiting plate (74) is fixedly connected to the inner side surface of the through hole, an extrusion block (75) is sleeved on the periphery of the limiting plate (74), two sides of the limiting plate (74) are located in a sliding groove formed in the periphery of the extrusion block (75) in a limiting manner, a second spring is fixedly connected to the top of the limiting plate (74), the other end of the second spring is fixedly connected with the inner wall of the extrusion block (75), a second abutting block (76) is fixedly connected to the inner side surface of the rotating ring (71), a braking block (77) is fixedly connected to the bottom of the extrusion block (75), and a driving assembly is mounted on the inner top end of the containing shell (5).
  2. 2. The five-axis turning and milling compound machine type swinging head main shaft anti-collision device according to claim 1, wherein the driving assembly comprises a first oil tank (781) fixedly connected to the top end inside the accommodating shell (5), a first piston rod (782) is arranged in the first oil tank (781) in a limiting sliding mode, a third spring is sleeved on the surface of the first piston rod (782), the output end of the first piston rod (782) extends to the position above the first collision block (72), a second oil tank (783) is fixedly connected to the inner wall of the buffer seat (61), and second piston rods (784) are arranged in the second oil tank (783) in a limiting sliding mode on two sides inside the second oil tank.
  3. 3. The five-axis turning and milling compound machine type swinging head main shaft anti-collision device according to claim 2, wherein one end, far away from a collision plate (62), of the first deflection rod (64) and the second deflection rod (65) are hinged to each other and are rotatably connected with the inner wall of the buffer seat (61), two groups of the first deflection rod (64) and the second deflection rod (65) are oppositely arranged, the second oil tank (783) is located between the two groups of the first deflection rod (64) and the second deflection rod (65), and the output end of the second piston rod (784) is fixedly connected with the surface of the support rod (67).
  4. 4. The five-axis turning and milling compound machine type swing main shaft anti-collision device disclosed by claim 3 is characterized in that six groups of buffer seats (61) are uniformly arranged on the periphery of the peripheral surface of the machining swing head (2), and collision surfaces of the collision plates (62) are arc-shaped.
  5. 5. The five-axis turning and milling compound machine type swing head main shaft anti-collision device according to claim 4, wherein six groups of first oil liquid boxes (781) are circumferentially and uniformly arranged at the top end inside the accommodating shell (5), six groups of first collision blocks (72) are circumferentially and uniformly arranged corresponding to the first oil liquid boxes (781) and are arc-shaped, and six groups of second collision blocks (76) are circumferentially and uniformly arranged on the inner side surface of the rotating ring (71).
  6. 6. The five-axis turning and milling composite machine type swinging head main shaft anti-collision device according to claim 5, wherein the collision surfaces of the first collision block (72) and the second collision block (76) are of an inclined structure.
  7. 7. The five-axis turning and milling composite machine type swing main shaft anti-collision device according to claim 6, wherein the oil cavity at the top of the first oil tank (781) is communicated with the oil cavity in the middle of the second oil tank (783) through an oil hose.
  8. 8. The five-axis turning and milling compound type swing head main shaft anti-collision method is suitable for the five-axis turning and milling compound type swing head main shaft anti-collision device disclosed in claim 7, and is characterized by comprising the following steps: S1, when a machining swinging head (2) collides, collision force acts on a collision plate (62) to enable the collision plate to overcome the first spring to slide towards the inner side of a buffer seat (61), a sealed space is compressed to form buffer damping, a moving block (63) drives a first deflection rod (64) and a second deflection rod (65) to deflect, and a buffer tension spring (66) is stretched to absorb energy; s2, a first deflection rod (64) and a second deflection rod (65) deflect and push a support rod (67) to slide, and a second piston rod (784) is extruded, so that high-pressure oil in a second oil tank (783) is conveyed to the first oil tank (781) through an oil hose, and linkage transmission is completed; And S3, the high-pressure oil liquid pushes the first piston rod (782) to move downwards to abut against the first abutting block (72), drives the rotating ring (71) and the second abutting block (76) to rotate, pushes the extrusion block (75) and the braking block (77) to abut against the rotating shaft (4), and the friction force locks the rotating shaft (4) to prevent secondary collision.

Description

Five-axis turning and milling compound machine type swing head main shaft anti-collision device Technical Field The invention relates to the technical field of respirator detection, in particular to a five-axis turning and milling compound machine type head-swing main shaft anti-collision device. Background With the iterative development of the high-end manufacturing industry to the direction of precision, compounding and high efficiency, the five-axis turning and milling compound machine tool relies on the core advantages of precision control of multi-axis linkage and flexible and changeable swing posture, and the five-axis turning and milling compound machine tool is widely applied to the key fields of aerospace, high-end equipment manufacturing, precision part machining and the like, can efficiently realize integrated precision machining of complex curved surfaces and special-shaped structural parts, and greatly improves machining efficiency and machining precision. However, in the linkage process of the swing A/B axis and the X/Y/Z axis of the main shaft of the existing five-axis turning and milling compound machine tool, the space movement track is complex, the swing posture is changeable, various collision risks are easy to occur in the machining process, the damage of moving parts is caused, the proceeding of machining operation is delayed, meanwhile, the synchronous braking of the driving shaft is inconvenient in time when the collision occurs, and the problems of tipping, breakage and the like of the turning and milling tool are easy to cause. Aiming at the problems, innovative design is urgently needed on the basis of the original design. Disclosure of Invention The invention aims to provide a five-axis turning and milling compound machine type head-swing main shaft anti-collision device, so as to solve the problems that various collision risks easily occur in the processing process and synchronous braking of a driving shaft is inconvenient in time during collision in the prior art. The five-axis turning and milling compound type swing head main shaft anti-collision device comprises a device seat, wherein a machining swing head is arranged at the rear end of the middle part of the device seat through a lifting module, a clamping module is arranged below the machining swing head at the bottom end of the device seat, a rotating shaft is arranged at the bottom of the machining swing head, a containing shell is fixedly connected with the bottom end of the machining swing head at the periphery of the rotating shaft, a buffer mechanism is arranged at the periphery of the machining swing head, and a braking mechanism is arranged in the containing shell; the buffer mechanism comprises a buffer seat which is fixedly connected to the peripheral surface of the processing swing head in a jogged mode, a collision plate is arranged on the outer side of the buffer seat through a first spring in a limiting sliding mode, a closed space is formed, limiting moving blocks are arranged in sliding grooves formed in the inner side surface of the collision plate, two groups of moving blocks are arranged in sliding grooves formed in the inner side surface of the collision plate, the back ends of the moving blocks are respectively connected with a first deflection rod and a second deflection rod in a rotating mode, a buffer tension spring is installed between the first deflection rod and the second deflection rod through a protruding block, supporting rods are arranged on the outer sides of the first deflection rod and the second deflection rod in a limiting sliding mode, and one end, far away from the collision plate, of each supporting rod is located on the surface of the buffer seat in a limiting sliding mode. Preferably, the brake mechanism comprises a rotating ring which is rotationally connected to the bottom end inside a containing shell, the top of the rotating ring is fixedly connected with a first abutting block, the bottom end inside the containing shell is located on the inner side of the rotating ring and is fixedly connected with a limiting ring, a through hole is formed in the surface of the limiting ring, a limiting plate is fixedly connected to the inner side surface of the through hole, an extrusion block is sleeved on the periphery of the limiting plate, two sides of the limiting plate are located in a sliding groove formed in the periphery of the extrusion block and are in limiting sliding, the top of the limiting plate is fixedly connected with a second spring, the other end of the second spring is fixedly connected with the inner wall of the extrusion block, the inner side surface of the rotating ring is fixedly connected with a second abutting block corresponding to the position of the rotating ring, a brake block is fixedly connected to the bottom of the extrusion block, and a driving assembly is mounted on the top inside the containing shell. Preferably, the drive assembly includes the first fluid