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CN-121972826-A - Single-chuck laser pipe cutting machine and cutting method thereof

CN121972826ACN 121972826 ACN121972826 ACN 121972826ACN-121972826-A

Abstract

The invention belongs to the field of laser processing, and particularly relates to a single-chuck laser pipe cutting machine and a cutting method thereof, wherein the device comprises the following components: lathe bed, afterbody drive arrangement, chuck, portal frame and laser cutting device, the rear end sliding connection of lathe bed has afterbody drive arrangement, the chuck is installed on the afterbody drive arrangement, portal frame fixed connection is in the front end of lathe bed, laser cutting device installs on the portal frame, be provided with the angle adjustment structure that can adjust the angle of laser head on the laser cutting device, the laser head after the angle of adjustment with centre gripping work piece becomes inclination on the chuck, can process out the inclined plane. The device can realize the cutting processing of various coreless drill bit body pipe fittings, the one-time processing of complex surfaces, reduces the material waste, shortens the processing procedure, improves the working efficiency and reduces the production cost.

Inventors

  • WANG WEI
  • WANG MIN
  • ZHANG WEI
  • XU BIN
  • LI WENLONG
  • HOU XIUJIN
  • ZHAO FANGQIANG

Assignees

  • 济南金强激光数控设备有限公司

Dates

Publication Date
20260505
Application Date
20260326

Claims (10)

  1. 1. The single-chuck laser pipe cutting machine is characterized by comprising a machine body (1), a tail driving device (2), a chuck (3), a portal frame (4) and a laser cutting device (5), wherein the tail driving device (2) is connected to the rear end of the machine body (1) in a sliding mode, the chuck (3) is installed on the tail driving device (2), the portal frame (4) is fixedly connected to the front end of the machine body (1), the laser cutting device (5) is installed on the portal frame (4), an angle adjusting structure (53) capable of adjusting the angle of a laser head (54) is arranged on the laser cutting device (5), and the laser head (54) and the chuck (3) after the angle adjustment clamp a workpiece to form an inclined angle, so that an inclined plane can be machined.
  2. 2. The single-chuck laser pipe cutting machine according to claim 1, wherein the tail driving device (2) comprises a tail seat (21), a first motor (22), a mounting seat (23), a main shaft (24), a transmission fluted disc (25) and a second motor (26), wherein a sliding block (13) is arranged at the bottom of the mounting seat (23) and is in sliding connection with a guide rail (11) on the machine body (1) through the sliding block (13), a rack (12) is arranged at the side part of the guide rail (11), the first motor (22) is mounted on the mounting seat (23), an output end is arranged at the lower part of the mounting seat (23) and is in meshed connection with the rack (12), the tail seat (21) is further arranged on the mounting seat (23), the transmission fluted disc (25) is rotationally connected on the tail seat (21), the transmission fluted disc (25) is fixedly connected with the end part of the main shaft (24), the other end of the main shaft (24) is provided with a chuck (3), and the second motor (26) is mounted at the side part of the tail seat (21) and is in meshed connection with the transmission fluted disc (25) through a gear.
  3. 3. The single-chuck laser pipe cutting machine according to claim 1, wherein the laser cutting device (5) further comprises a transverse driving structure (51), a longitudinal driving structure (52) and a supporting frame (55), a sliding block (13) is arranged on the side portion of the supporting frame (55), a guide rail (11) matched with the sliding block (13) on the supporting frame (55) is arranged on the top and the side portion of the portal frame (4), a rack (12) is arranged on the top of the portal frame (4), the transverse driving structure (51) is fixedly arranged on the side portion of the supporting frame (55) and connected with the rack (12) through a third motor (511), the longitudinal driving structure (52) is arranged on the other side of the supporting frame (55), the angle adjusting structure (53) is connected onto the supporting frame (55) in a sliding mode through the longitudinal driving structure (52), and the laser head (54) is fixed onto the angle adjusting structure (53).
  4. 4. The single-chuck laser pipe cutting machine according to claim 3, wherein the angle adjusting structure (53) comprises a rotating device (531), a fixed plate (532) and a large gear (533), the longitudinal driving device (52) comprises a linear driving device (521) and a sliding plate (522), the linear driving device (521) is fixedly connected to a supporting frame (55) and an output end of the linear driving device is connected with the sliding plate (522), a sliding block (13) is arranged on the sliding plate (522), a guide rail (11) is arranged on the supporting frame (55), the sliding plate (522) is in sliding connection with the guide rail (11) on the supporting frame (55) through the sliding block (13), the large gear (533) is connected to the sliding plate (522) in a rotating mode, the fixed plate (532) is fixedly connected to the large gear (533), the rotating device (531) is fixedly connected to the fixed plate (532) through a gear and is in meshed connection with the large gear (533), and the laser head (54) is mounted on the fixed plate (532).
  5. 5. The single-chuck laser pipe cutting machine according to claim 1, further comprising an automatic feeding device (6), wherein the automatic feeding device (6) is of a frame structure and is installed on the lathe bed (1) in a erecting mode, and the tail driving device (2) drives the chuck (3) to pass through the lower portion of the automatic feeding device (6).
  6. 6. The single-chuck laser pipe cutting machine according to claim 5, wherein the automatic feeding device (6) comprises a supporting frame (61), a cross beam (62), a discharging box (63), a discharging hole (64), a mounting frame (65) and a pushing device (66), wherein the supporting frame (61) is erected on the machine body (1) and the top is provided with a linear driving device (521), two sides of the supporting frame (61) are provided with guide rails (11), the cross beam (62) is slidably connected on the supporting frame (61) through a sliding block (13) at the back and the linear driving device (521) at the top, the discharging box (63) is fixedly arranged on the cross beam (62), the discharging hole (64) is positioned at the bottom of the discharging box (63), the mounting frame (65) is fixedly connected on the cross beam (62), and the pushing device (66) is mounted on the mounting frame (65) and is opposite to the discharging hole (64).
  7. 7. The single-chuck laser pipe cutting machine according to claim 6, wherein the bottom of the discharge box (63) is of a triangular structure, the discharge hole (64) is of a circular structure, and the workpiece falls into the discharge hole (64) from the triangular structure of the discharge box (63).
  8. 8. The single-chuck laser pipe cutting machine according to claim 6, wherein the pushing device (66) comprises a third motor (661), a screw rod (662), a supporting device and a base (666), wherein the output end of the third motor (661) is connected with the screw rod (662), the third motor (661) is installed on the base (666) and is slidably connected to the mounting frame (65) through the linear driving device (521), and the supporting device is installed on the screw rod (662) and is arranged in a machined part.
  9. 9. The single-chuck laser pipe cutting machine according to claim 8, wherein the supporting device comprises a fixing frame (663), a connecting rod (664) and a nut (665), one end of the fixing frame (663) is fixedly connected to the front end of the third motor (661) and sleeved on the screw rod (662), the other end of the fixing frame is rotatably connected with the connecting rod (664), the connecting rod (664) is provided with a plurality of connecting rods, the other ends of the connecting rods (664) are rotatably connected with another connecting rod (664), the connecting rod (664) is rotatably connected with the nut (665), and the nut (665) is arranged on the screw rod (662).
  10. 10. A cutting method using the single chuck laser pipe cutter of claim 1, comprising the steps of: The automatic feeding device (6) descends to a working position, a rod piece of the centerless drill bit to be processed is pushed into the chuck (3) through the pushing device (66), and the chuck (3) is closed to clamp the rod piece; step two, after the rod piece is clamped, the automatic feeding device (6) is lifted and reset, so that interference to subsequent movement of the chuck (3) is avoided; Step three, the tail driving device (2) drives the chuck (3) which clamps the rod piece to move along the lathe bed (1), and the end part of the rod piece is sent to a processing area of the laser cutting device (5); Changing the angle of a laser head (54) through an angle adjusting structure (53) on the laser cutting device (5), so that the laser head (54) and the rod piece form an inclination angle required by processing an inclined plane; And fifthly, starting a laser cutting device (5), and rapidly cutting the end part of the rod piece by the laser head (54) in an inclined angle state to process an end part inclined plane for adapting to a drill bit.

Description

Single-chuck laser pipe cutting machine and cutting method thereof Technical Field The invention relates to the field of laser processing, in particular to a single-chuck laser pipe cutting machine and a cutting method thereof. Background With the continued development of the machining industry, there is an increasing demand for high-end tools (e.g., high-end centerless bits). In the design of such high-end centerless drills, the drill and the rod are typically detachably assembled. In order to achieve close and accurate matching of the two, a specific inclined plane needs to be machined on the end part of the centerless drill rod piece. At present, a traditional five-axis machine tool is generally adopted in the industry to process the end part of the rod piece so as to obtain a required inclined plane. However, the existing traditional machining mode has the defects that the traditional five-axis machine tool adopts a mechanical cutting/milling mode, the machining process is relatively slow, the time consumption is long, and the large-batch and fast-rhythm production requirements of the centerless drill bit are difficult to meet. Existing pipe/rod handling equipment often lacks an automatic loading mechanism that is highly coordinated with the handling of the parts. The manual loading and unloading is high in labor intensity and easy to cause processing waiting, and even if part of equipment is provided with a loading mechanism, space interference with a movable chuck or a main shaft is easy to occur, so that the whole automation degree is limited. Therefore, in order to solve the above-mentioned problems, a single-chuck laser pipe cutting machine and a cutting method thereof are provided. Disclosure of Invention The invention aims at the problems in the prior art, and specifically designs the single-chuck laser pipe cutting machine and the cutting method thereof, which can realize the cutting processing of various coreless drill bit body pipe fittings, the one-time processing of complex surfaces, reduce the material waste, reduce the processing procedures, improve the working efficiency and reduce the production cost. In order to achieve the aim, the invention provides a single-chuck laser pipe cutting machine which comprises a machine body, a tail driving device, a chuck, a portal frame and a laser cutting device, wherein the tail driving device is connected to the rear end of the machine body in a sliding manner, the chuck is arranged on the tail driving device, the portal frame is fixedly connected to the front end of the machine body, the laser cutting device is arranged on the portal frame, an angle adjusting structure capable of adjusting the angle of a laser head is arranged on the laser cutting device, the angle-adjusted laser head and a workpiece clamped on the chuck form an inclined angle, and an inclined plane can be machined. Further, the tail driving device comprises a tail seat, a first motor, a mounting seat, a main shaft, a transmission fluted disc and a second motor, wherein a sliding block is arranged at the bottom of the mounting seat and is in sliding connection with a guide rail on the lathe bed through the sliding block, a rack is arranged on the side part of the guide rail, the first motor is mounted on the mounting seat, the output end of the first motor is arranged at the lower part of the mounting seat and is in meshed connection with the rack, the tail seat is further arranged on the mounting seat, the transmission fluted disc is rotationally connected onto the tail seat and is fixedly connected with the end part of the main shaft, a chuck is mounted at the other end of the main shaft, and the second motor is mounted on the side part of the tail seat and is in meshed connection with the transmission fluted disc through a gear. Further, the laser cutting device further comprises a transverse driving structure, a longitudinal driving structure and a supporting frame, wherein sliding blocks are arranged on the side portions of the supporting frame, guide rails matched with the sliding blocks on the supporting frame are arranged on the top and the side portions of the portal frame, racks are arranged on the top of the portal frame, the transverse driving structure is fixedly arranged on the side portions of the supporting frame and connected with the racks through a third motor, the longitudinal driving structure is arranged on the other side of the supporting frame, the angle adjusting structure is connected onto the supporting frame in a sliding mode through the longitudinal driving device, and the laser head is fixed on the angle adjusting structure. Further, the angle adjusting structure comprises a rotating device, a fixed plate and a large gear, wherein the longitudinal driving device comprises a linear driving device and a sliding plate, the linear driving device is fixedly connected to a supporting frame, the output end of the linear driving device is connected with the sli