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CN-121972828-A - Laser cutting equipment is used in pipe fitting processing

CN121972828ACN 121972828 ACN121972828 ACN 121972828ACN-121972828-A

Abstract

The invention provides laser cutting equipment for pipe fitting machining, and relates to the technical field of laser cutting. The invention realizes accurate time sequence matching of cutting progress and supporting action by arranging a planetary gear type compound motion mechanism on a rack, wherein the mechanism is provided with an input end connected with a rotating piece in a transmission way, a first output end and a second output end which form differential motion, a laser head is arranged at the first output end, an auxiliary supporting piece is arranged at the second output end, when the laser head rotates around a pipe fitting to be close to one circle, the auxiliary supporting piece just rotates from a first position above the pipe fitting to a second position below the pipe fitting, and the accurate linkage of a cutting head and the auxiliary supporting piece is realized by pure mechanical differential transmission, thus avoiding response delay and accumulated error of electronic control and improving the reliability of cutting and supporting synchronization.

Inventors

  • ZHANG YONG
  • ZHANG ZHI

Assignees

  • 山东盛发科工贸有限公司

Dates

Publication Date
20260505
Application Date
20260330

Claims (10)

  1. 1. Laser cutting equipment for pipe fitting processing, characterized by comprising: a rotating member (2) provided on the frame (1); The planetary gear type compound motion mechanism (3) is arranged at the end part of the frame (1) and is provided with an input end in transmission connection with the rotating piece (2), a first output end and a second output end which form differential motion; The laser head (4) is arranged at the first output end of the planetary gear type compound motion mechanism (3); And when the laser head (4) rotates around the pipe fitting (a) to be close to one circle, the auxiliary support (5) moves rotationally around the pipe fitting (a) from a first position above the pipe fitting (a) to a second position below the pipe fitting (a).
  2. 2. A laser cutting device for pipe machining according to claim 1, characterized in that the rotating member (2) comprises: The rotary body (203) is provided with an annular groove (101) at the end part of the frame (1), the rotary body (203) is rotatably arranged in the annular groove (101), one end of the rotary body (203) facing the frame (1) is fixedly connected with a first gear ring piece (204), and one end of the rotary body (203) facing away from the frame (1) is fixedly connected with a connecting ring (207); The driving piece (201), driving piece (201) fixed mounting is in the outside of frame (1), the output fixedly connected with first gear (202) of driving piece (201), breach portion (102) with ring channel (101) intercommunication are seted up in the outside of frame (1), in breach portion (102) department, first gear (202) meshes with first ring gear piece (204).
  3. 3. A laser cutting apparatus for pipe processing according to claim 2, wherein the planetary gear type compound motion mechanism (3) includes: The outer cover body (301), the outer cover body (301) is integrally provided with a connecting section (301 a), a small cavity section (301 b) and a large cavity section (301 c) along the axial direction, and the connecting section (301 a) is fixedly arranged outside the end part of the frame (1); The central fluted disc (302), the said central fluted disc (302) locates at the inboard of the outer cover body (301), and install in the end of the said connecting ring (207) fixedly; The first gear ring (303), the first gear ring (303) is fixedly mounted in the small cavity section (301 b) in a matched manner, a plurality of first planetary gears (305) are arranged in an annular gap between the first gear ring (303) and the central gear ring (302), a first planetary carrier (307) is connected between the plurality of first planetary gears (305), so that the central gear ring (302), the first gear ring (303), the first planetary gears (305) and the first planetary carrier (307) form a first planetary gear train, the first planetary gear train takes the central gear ring (302) as an input, and a support on the first planetary carrier (307) as a first output end; the second gear ring (304), the said second gear ring (304) is fixedly fitted and installed in the said big inside of the cavity section (301 c), there are several second planetary gears (306) in the annular gap between the said second gear ring (304) and central fluted disc (302), connect with the second planet carrier (308) between several said second planetary gears (306), make the central fluted disc (302), second gear ring (304), second planetary gears (306), second planet carrier (308) form the second planetary gear train, this second planetary gear train takes central fluted disc (302) as input, take support on the second planet carrier (308) as the second output; And the cover plate (309) is fixedly arranged at one end of the outer cover body (301) away from the frame (1), and slide holes allowing the support on the first planet carrier (307) and the support on the second planet carrier (308) to penetrate are formed in the cover plate (309).
  4. 4. A pipe fitting machining laser cutting apparatus according to claim 3, wherein the cross section of the inner cavity of the small cavity section (301 b) is of a regular polygon structure, the cross section of the inner cavity of the large cavity section (301 c) is of a circular structure, and a polygonal portion (304 a) located inside the small cavity section (301 b) is provided at one end of the second ring gear (304) facing the first ring gear (303).
  5. 5. A pipe machining laser cutting apparatus according to claim 4, wherein a stepped surface is formed between an inner side of said polygonal portion (304 a) and an inner side tooth portion of the second ring gear (304).
  6. 6. A pipe machining laser cutting apparatus according to claim 3, wherein two of said second planetary teeth (306) are provided, the annular gap between the second ring gear (304) and the central toothed disc (302) is divided into a segment having a central angle greater than 180 DEG and a segment having a central angle less than 180 DEG by two of said second planetary teeth (306), and the carriers on the first carrier (307) are located in said segment having a central angle greater than 180 deg.
  7. 7. The laser cutting device for pipe fitting machining according to claim 6, wherein two brackets are fixedly connected to the outer sides of the second planet carriers (308) at the positions corresponding to the two second planet teeth (306); the auxiliary support (5) comprises: The first end of the connecting rod piece (501) is rotationally connected with one of the supports of the second planet carrier (308), the second end of the connecting rod piece (501) is fixedly provided with an annular sleeve (501 a), the interior of the annular sleeve (501 a) is fixedly provided with an elastic sleeve piece (502), and the elastic sleeve piece (502) is connected with the other support of the second planet carrier (308); The connecting seat (503), the said connecting seat (503) is fixedly connected with connecting rod piece (501), the connecting seat (503) is provided with the arcuate shelf towards one side of the said pipe fitting (a), the inboard of the arcuate shelf fixedly connects with the inner support piece (504); The outer end fixedly connected with guide platform (6) of apron spare (309), when connecting rod spare (501), connecting seat (503), interior support piece (504) are whole to be rotated to the second position that is located pipe fitting (a) below, annular cover (501 a) of connecting rod spare (501) support in guide platform (6) inboard makes connecting rod spare (501), connecting seat (503), interior support piece (504) wholly rotate along the support of second planet carrier (308) that the first end of connecting rod spare (501) corresponds, makes connecting seat (503), interior support piece (504) upwards hold up pipe fitting (a).
  8. 8. A pipe fitting machining laser cutting apparatus according to claim 2, wherein an axial positioning ring groove (206) is provided on the outer side of the rotary body (203), and a screw is screwed on the outer side of the frame (1), and one end of the screw is located inside the axial positioning ring groove (206).
  9. 9. A pipe machining laser cutting apparatus according to claim 3, wherein a tooth blocking cover member is fixedly connected to an end portion of the center toothed disc (302) remote from the connecting ring (207).
  10. 10. A pipe machining laser cutting apparatus according to claim 7, wherein the inner side of said inner holder (504) is provided with an abrasion resistant elastic lining.

Description

Laser cutting equipment is used in pipe fitting processing Technical Field The invention relates to the technical field of laser cutting, in particular to laser cutting equipment for pipe fitting machining. Background The laser pipe cutting machine has been widely used in the field of pipe processing, and the laser pipe cutting machine can realize high-efficiency and high-precision pipe processing by rotationally cutting the clamped pipe fitting through the laser cutting head. When the pipe fitting is to be completely cut, the pipe fitting is pulled by the pipe fitting part due to gravity, so that the problem of slag hanging of a notch or damage to a laser head is caused. The prior art solves the problems that, for example, patent with the authority bulletin number of CN210755920U discloses a blanking supporting device of a laser pipe cutting machine, a structure that a receiving groove is matched with a telescopic cylinder is adopted, the receiving groove is driven to overturn through the cylinder after cutting is completed, cut pipe fittings slide to one side to finish blanking, a scheme that a lifting supporting plate structure is adopted, a supporting plate is lifted to support the pipe fittings in the processing process, the supporting plate is lowered and released during blanking, and the work pieces automatically fall into a collecting area is adopted. However, the prior art still has the defects that firstly, the action time of the supporting mechanism is mostly raised after cutting or in the whole processing process, accurate linkage with the cutting progress is lacked, the pulling force generated by the sagging of the section to be cut due to gravity still causes quality problems such as slag hanging and burrs of the cut at the moment of cutting, and secondly, the prior supporting structure is mostly driven by an independent air cylinder or a motor, and needs additional sensor and control system to be matched, so that the structure is complex and the cost is high. Disclosure of Invention Aiming at the defects of the prior art, the invention provides laser cutting equipment for pipe fitting machining, which solves the problem of auxiliary support in the existing pipe fitting cutting process. In order to achieve the above purpose, the invention is realized by the following technical scheme: a laser cutting apparatus for pipe processing, comprising: A rotating member provided on the frame; The planetary gear type compound motion mechanism is arranged at the end part of the frame and is provided with an input end in transmission connection with the rotating piece, a first output end and a second output end which form differential motion; The laser head is arranged at the first output end of the planetary gear type compound motion mechanism; And when the laser head rotates around the pipe fitting to be close to one circle, the auxiliary support moves from a first position above the pipe fitting to a second position below the pipe fitting in a rotating way around the pipe fitting. Preferably, the rotating member includes: the rotating body is rotatably installed in the annular groove, a first gear ring piece is fixedly connected to one end of the rotating body, facing the rack, and a connecting ring is fixedly connected to one end of the rotating body, facing away from the rack; the driving piece is fixedly arranged on the outer side of the frame, the output end of the driving piece is fixedly connected with a first gear, a notch part communicated with the annular groove is formed in the outer side of the frame, and the first gear is meshed with the first gear ring piece at the notch part. Preferably, the planetary gear type compound motion mechanism includes: The outer cover body is integrally provided with a connecting section, a small cavity section and a large cavity section along the axial direction, and the connecting section is fixedly arranged at the outer side of the end part of the frame; The central fluted disc is positioned on the inner side of the outer cover body and fixedly arranged at the end part of the connecting ring; The first gear ring is fixedly matched and installed in the small cavity section, a plurality of first planetary gears are arranged in an annular gap between the first gear ring and the central gear disc, a first planet carrier is connected between the plurality of first planetary gears, so that the central gear disc, the first gear ring, the first planetary gears and the first planet carrier form a first planetary gear train, the first planetary gear train takes the central gear disc as input, and a support on the first planet carrier is taken as a first output end; The second gear ring is fixedly matched and installed in the large cavity section, a plurality of second planetary gears are arranged in an annular gap between the second gear ring and the central gear disc, a second planetary carrier is connected between the plurality of second planetary gears, so that the