CN-224223012-U - Rotary protective door device for beam of laser cutting machine

CN224223012UCN 224223012 UCN224223012 UCN 224223012UCN-224223012-U

Abstract

The utility model relates to a rotary type protective door device for a beam of a laser cutting machine, which comprises a frame, wherein a rotating shaft is arranged above the beam of the frame, two ends of the rotating shaft are rotatably connected with the frame, a protective door is arranged on the frame, the protective door comprises a top plate, a main plate and two side plates, the two side plates are fixedly connected with two ends of the rotating shaft respectively, two sides of the frame are respectively provided with a thrust cylinder, a cylinder seat of the thrust cylinder is rotatably connected with the frame, the end part of a piston rod of the thrust cylinder is rotatably connected with the protective door, and the thrust cylinder drives the protective door to rotate by taking the rotating shaft as a center to realize opening or closing.

Inventors

YUAN BOWEN
LUO ZHE
Guan Weijin

Assignees

埃威迪（黄石）数控技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250506

Claims (4)

1. The rotary protective door device for the beam of the laser cutting machine is characterized by comprising a frame, wherein a rotating shaft is arranged above the beam of the frame, two ends of the rotating shaft are rotatably connected with the frame, a protective door is arranged on the frame, the protective door comprises a top plate, a main plate and two side plates, the two side plates are fixedly connected with two ends of the rotating shaft respectively, a thrust cylinder is respectively arranged on two sides of the frame, a cylinder seat of the thrust cylinder is rotatably connected with the frame, the end part of a piston rod of the thrust cylinder is rotatably connected with the protective door, and the thrust cylinder drives the protective door to rotate around the rotating shaft to realize opening or closing.
2. The rotary guard door device for the cross beam of the laser cutting machine of claim 1, wherein the frame is provided with a cushion block corresponding to the limit of the door opening and the limit of the door closing of the guard door.
3. The rotary guard gate device for a beam of a laser cutter as recited in claim 2, wherein the spacer is made of an elastic material and has a buffering function.
4. The rotary protective door device for the cross beam of the laser cutting machine according to claim 1, wherein the thrust cylinders are cylinders, and the cylinders on two sides are connected with a main control system of the laser cutting machine in a signal mode.

Description

Rotary protective door device for beam of laser cutting machine Technical Field The utility model relates to the technical field of laser cutting machines, in particular to a rotary protective door device for a beam of a laser cutting machine. Background The numerical control laser cutting machine is a high-precision machining machine tool, the machining mode is to cut materials through high heat energy generated by laser, in the machining process, a laser transmitter walks on a beam, a laser transmitting head and the beam are required to be protected during working, external interference is avoided, the existing protective door of the laser cutting machine is mostly in a flat-open mode, the occupied area is large, the cost is high, and the operation is inconvenient during maintenance or disassembly. Disclosure of Invention The utility model aims to solve the problems in the prior art and provides a rotary protective door device for a beam of a laser cutting machine. The utility model has the specific scheme that the rotary protective door device for the beam of the laser cutting machine comprises a frame, a rotating shaft is arranged above the beam of the frame, two ends of the rotating shaft are rotatably connected with the frame, a protective door is arranged on the frame, the protective door comprises a top plate, a main plate and two side plates, the two side plates are fixedly connected with two ends of the rotating shaft respectively, a thrust cylinder is respectively arranged on two sides of the frame, a cylinder seat of the thrust cylinder is rotatably connected with the frame, the end part of a piston rod of the thrust cylinder is rotatably connected with the protective door, and the thrust cylinder drives the protective door to rotate by taking the rotating shaft as a center so as to realize opening or closing. Further, the frame is provided with a cushion block corresponding to the limit of the door opening and the limit of the door closing of the protective door respectively. Furthermore, the cushion block is made of elastic materials and has a buffering effect. Further, the thrust cylinder adopts a cylinder, and the cylinders at two sides are both in signal connection with a main control system of the laser cutting machine. Compared with the prior art, the utility model has the advantages that the rotary protective door is adopted, the occupied area is reduced when the protective door is opened or closed, the cost of the protective door is saved, and the protective door is easy to detach and maintain. Drawings FIG. 1 is a schematic view of the back of a bed in a closed state of a guard gate according to the present utility model; FIG. 2 is a schematic front view of the machine tool in the open state of the guard gate of the present utility model; FIG. 3 is a left side view of FIG. 2; FIG. 4 is a view A-A of FIG. 1; FIG. 5 is an exploded view of the present utility model; In the figure, 1, a cross beam; 2, a laser emission head, 3, an air cylinder, 4, a frame, 5, a protective door, 51, a side plate, 52, a main plate, 53, a top plate, 6, a rotating shaft, 7, a door closing cushion block, 8, and a door opening cushion block. Detailed Description Referring to fig. 1-5, the rotary type protective door 5 device for a beam 1 of a laser cutting machine in this embodiment includes a frame 4, a rotating shaft 6 is installed above the beam 1 of the frame 4, two ends of the rotating shaft 6 are rotatably connected with the frame 4, the protective door 5 is installed on the frame 4, the protective door 5 includes a top plate 53, a main plate 52 and two side plates 51, the two side plates 51 are fixedly connected with two ends of the rotating shaft 6 respectively, two sides of the frame 4 are respectively installed with a thrust cylinder, a cylinder seat of the thrust cylinder is rotatably connected with the frame 4, a piston rod end of the thrust cylinder is rotatably connected with the protective door 5, and the thrust cylinder drives the protective door 5 to rotate with the rotating shaft 6 as a center to realize opening or closing. Furthermore, a cushion block is respectively arranged on the frame 4 corresponding to the limit of the door opening and the limit of the door closing of the protective door 5. Furthermore, the cushion block is made of elastic materials and has a buffering effect. Further, the thrust cylinder adopts the cylinder 3, and the cylinder 3 on both sides is connected with the main control system signal of the laser cutting machine. When the protective door 5 is opened, the two air cylinders 3 receive signals of a main control system, piston rods of the two air cylinders 3 extend out, two sides of the protective door 5 are pushed by the air cylinders 3, the protective door 5 continuously rotates upwards by taking a rotating shaft 6 as a center, and finally, when the protective door 5 rotates by 90 degrees, two door opening cushion blocks 8 on the frame 4 are touched to stop, at the mo