CN215468965U

CN215468965U - Protection device for elevator part laser cutting processing

Info

Publication number: CN215468965U
Application number: CN202120757050.XU
Authority: CN
Inventors: 李松
Original assignee: Zhejiang Desijie Environmental Protection Technology Co ltd
Current assignee: Zhejiang Desijie Environmental Protection Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-01-11
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a protective device for laser cutting processing of elevator components, which comprises a transmission screw rod, a meshed sheet and an exhaust pipe, wherein a first sliding block and a second sliding block are adjacently arranged on the transmission screw rod in parallel, guide rods are arranged in the first sliding block and the second sliding block and are positioned right above the transmission screw rod, the exhaust pipe is fixed on one side of the second sliding block, the exhaust pipe penetrates through one side of the second sliding block from top to bottom, the bottom of the second sliding block is connected with an electric push rod, the bottom of a telescopic rod of the electric push rod is connected with a servo motor, and an output shaft of the servo motor is connected with the meshed sheet. According to the utility model, the protective device which is coaxially and synchronously moved and consists of the meshed sheet, the servo motor, the electric push rod and the exhaust pipe is additionally arranged on one side of the traditional laser cutting probe, the protective device can rapidly absorb gasified steam, accelerate the steam to be condensed on the meshed sheet, avoid the steam to be condensed on a cutting wall, and be beneficial to cutting and processing a workpiece with larger thickness by laser cutting equipment.

Description

Protection device for elevator part laser cutting processing

Technical Field

The utility model relates to the technical field of laser cutting, in particular to a protective device for laser cutting machining of elevator components.

Background

Laser cutting is one of the thermal cutting methods, in which a workpiece is irradiated with a focused high-power-density laser beam to rapidly melt, vaporize, ablate or reach a burning point of the irradiated material, and the melted material is blown off by means of a high-speed airflow coaxial with the beam, thereby cutting the workpiece.

When the existing laser cutting equipment is used for cutting workpieces with large thickness such as elevator components, steam gasified at high temperature can be condensed on cutting walls on two sides of a cutting seam, so that the cutting seam is irregular or blocked, and the quality of laser cutting processing is reduced. Accordingly, those skilled in the art have provided a guard for laser cutting of elevator components to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protective device for laser cutting processing of elevator components, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

protector is used in elevator part laser cutting processing, including transmission lead screw, mesh thin slice and exhaust tube, adjacent parallel arrangement has first sliding block and second sliding block on the transmission lead screw, all is provided with the guide bar directly over lieing in the transmission lead screw in first sliding block and the second sliding block, second sliding block one side is fixed with the exhaust tube, the exhaust tube from last one side that down runs through the second sliding block, second sliding block bottom is connected with electric putter, electric putter's telescopic link bottom is connected with servo motor, servo motor output shaft has the mesh thin slice.

As a further scheme: first sliding block and second sliding block be L type sliding block, the through-hole that is used for passing the guide bar is offered to the inside upper end of perpendicular arm of L type sliding block, the screw hole that is used for passing the transmission lead screw is offered to the inside lower extreme of perpendicular arm of L type sliding block.

As a further scheme: and an exhaust pipe is fixed at the upper end of the cross arm of the second sliding block and penetrates through the cross arm of the second sliding block from top to bottom.

As a further scheme: the guide rod is arranged in parallel with the transmission screw rod.

As a further scheme: first sliding block and second sliding block all pass through threaded connection with the transmission lead screw, and the guide bar all sliding connection with first sliding block and second sliding block.

As a further scheme: the top of the electric push rod is connected with the second sliding block through a screw in an installing mode, the servo motor is connected with the telescopic rod of the electric push rod through a clamping mode, a sheet connecting shaft is formed on the side wall, close to the servo motor, of the meshed sheet, and the sheet connecting shaft is connected with an output shaft of the servo motor through a key. The sheet connecting shaft is provided with a plurality of holes.

As a further scheme: the periphery of the sheet connecting shaft is sealed and rotatably connected with a sealing ring sleeve, the lower end of the exhaust pipe is connected with the sealing ring sleeve in an inserting mode, and one side, far away from the sheet connecting shaft, of the meshed sheet is clamped and pressed with a fine meshed net.

As a further scheme: one end of a cross arm of the first sliding block is connected with a light path device through a clamping groove, an inert gas pipe is inserted into the top of the light path device, and a cutting probe is formed at the bottom of the light path device.

As a further scheme: the transmission screw rod is connected with an external driving device for providing power.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the protective device which is coaxially and synchronously moved and consists of the meshed sheet, the servo motor, the electric push rod and the exhaust pipe is additionally arranged on one side of the traditional laser cutting probe, the protective device can rapidly absorb gasified steam, accelerate the steam to be condensed on the meshed sheet, avoid the steam to be condensed on a cutting wall, and be beneficial to cutting and processing a workpiece with larger thickness by laser cutting equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the servo motor and meshed sheet connection of the present invention;

FIG. 3 is a schematic view of the structure of the present invention after separation of the fine mesh and mesh sheet.

In the figure: 1. a transmission screw rod; 2. a first slider; 3. a second slider; 4. an optical path device; 5. an electric push rod; 6. A servo motor; 7. a mesh sheet; 8. an inert gas pipe; 9. cutting the probe; 10. an air exhaust pipe; 11. sealing the ring sleeve; 12. A sheet connecting shaft; 13. a fine mesh; 14. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, the protection device for laser cutting processing of an elevator component includes a transmission screw 1, a meshed sheet 7, and an exhaust pipe 10, a first sliding block 2 and a second sliding block 3 are adjacently and parallelly disposed on the transmission screw 1, guide rods 14 are disposed in the first sliding block 2 and the second sliding block 3 and located right above the transmission screw 1, the exhaust pipe 10 is fixed on one side of the second sliding block 3, the exhaust pipe 10 penetrates one side of the second sliding block 3 from top to bottom, the bottom of the second sliding block 3 is connected with an electric push rod 5, the bottom of a telescopic rod of the electric push rod 5 is connected with a servo motor 6, and the meshed sheet 7 is disposed on an output shaft of the servo motor 6.

When the servo motor 6 drives the meshed thin sheet 7 to rotate, on one hand, negative pressure can be formed around the meshed thin sheet to facilitate air suction, and on the other hand, blocking objects in the cutting seams can be prevented from interfering with the movement of the meshed thin sheet 7; the exhaust pipe 10 is externally connected with a waste gas recovery device. The transmission screw rod 1 is connected with an external driving device for providing power.

In this embodiment, first sliding block 2 and second sliding block 3 are L type sliding block, and the through-hole that is used for passing guide bar 14 is offered to the inside upper end of perpendicular arm of L type sliding block, and the screw hole that is used for passing drive screw 1 is offered to the inside lower extreme of perpendicular arm of L type sliding block.

In this embodiment, the air exhaust pipe 10 is fixed to the upper end of the cross arm of the second sliding block 2, and the air exhaust pipe 10 penetrates through the cross arm of the second sliding block 2 from top to bottom.

In this embodiment, the guide bar 14 is disposed parallel to the drive screw 1.

In this embodiment, the first sliding block 2 and the second sliding block 2 are both connected to the driving screw 1 through threads, and the guide bar 14 is connected to the first sliding block 2 and the second sliding block 3 in a sliding manner.

In this embodiment, the top of the electric push rod 5 is connected to the second sliding block 3 through screws, the servo motor 6 is connected to the telescopic rod of the electric push rod 5 through a clamping manner, a sheet connecting shaft 12 is formed on a side wall of the meshed sheet 7, which is close to the servo motor 6, and the sheet connecting shaft 12 is connected to an output shaft of the servo motor 6 through a key.

In this embodiment, the periphery of the sheet connecting shaft 12 is connected with a sealing ring sleeve 11 in a sealing and rotating manner, the lower end of the air exhaust pipe 10 is connected with the sealing ring sleeve 11 in an inserting manner, and one side of the meshed sheet 7, which is far away from the sheet connecting shaft 12, is clamped and pressed with a fine mesh 13.

The sealing ring sleeve 11 is used for rotationally connecting the exhaust tube 10 and the meshed sheet 7, so that the gas is communicated when the exhaust tube rotates at a high speed, and the fine meshed sheet 13 can be replaced after being used, so that residue blockage is avoided;

in this embodiment, one end of the cross arm of the first sliding block 2 is connected to the optical path device 4 through the clamping groove, the top of the optical path device 4 is inserted with the inert gas pipe 8, and the bottom of the optical path device 4 is formed with the cutting probe 9.

The working principle of the utility model is as follows: when the laser cutting device is used, the transmission screw rod is connected with external driving equipment and used for moving the light path device and the cutting probe, and the light path device is connected into the laser beam emitter. The central line of regulation mesh thin slice and cutting probe is parallel, and adjusts the interval of second sliding block and first sliding block for after the mesh thin slice is tightly followed cutting probe, can accomplish the installation. When the cutting probe is cutting thicker workpieces, the cutting probe continuously moves forwards along with the generation of a cutting seam, the meshed sheet is placed by the electric push rod to enter the cutting seam, the servo motor drives the meshed sheet to rotate, because the temperature of the meshed sheet is far lower than that of the inner wall of the cutting seam, and the meshed sheet is of a negative pressure structure formed by the exhaust pipe, the sealing ring sleeve and the fine meshed net, the gasified steam in the cutting seam can be accelerated to be sucked into the meshed sheet or liquefied on the outer wall of the meshed sheet, and then the gasified steam is effectively prevented from being liquefied on the inner wall of the cutting seam, so that the high-quality cutting processing of the workpieces with larger thickness by the laser cutting equipment is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Protection device is used in elevator part laser cutting processing, including transmission lead screw, mesh thin slice and exhaust tube, its characterized in that: the upper adjacent parallel arrangement of transmission lead screw has first sliding block and second sliding block, and first sliding block and second sliding block lie in the transmission lead screw and all are provided with the guide bar directly over, and second sliding block one side is fixed with the exhaust tube, and the exhaust tube is from last one side of down running through the second sliding block, and second sliding block bottom is connected with electric putter, and electric putter's telescopic link bottom is connected with servo motor, and servo motor's output shaft has the hole net thin slice.

2. The elevator component laser cutting processing protective device according to claim 1, characterized in that: first sliding block and second sliding block be L type sliding block, the through-hole that is used for passing the guide bar is offered to the inside upper end of perpendicular arm of L type sliding block, the screw hole that is used for passing the transmission lead screw is offered to the inside lower extreme of perpendicular arm of L type sliding block.

3. The elevator component laser cutting processing protective device according to claim 2, characterized in that: and an exhaust pipe is fixed at the upper end of the cross arm of the second sliding block and penetrates through the cross arm of the second sliding block from top to bottom.

4. The protective device for laser cutting processing of elevator components according to claim 1 or 2, characterized in that: the guide rod is arranged in parallel with the transmission screw rod.

5. The protective device for laser cutting processing of elevator components according to claim 1 or 2, characterized in that: first sliding block and second sliding block all pass through threaded connection with the transmission lead screw, and the guide bar all sliding connection with first sliding block and second sliding block.

6. The elevator component laser cutting processing protective device according to claim 1, characterized in that: the top of the electric push rod is connected with the second sliding block through a screw in an installing mode, the servo motor is connected with the telescopic rod of the electric push rod through a clamping mode, a sheet connecting shaft is formed on one side wall, close to the servo motor, of the meshed sheet, and the sheet connecting shaft is connected with an output shaft of the servo motor through a key.

7. The elevator component laser cutting processing protective device according to claim 6, characterized in that: the periphery of the sheet connecting shaft is sealed and rotatably connected with a sealing ring sleeve, the lower end of the exhaust pipe is connected with the sealing ring sleeve in an inserting mode, and one side, far away from the sheet connecting shaft, of the meshed sheet is clamped and pressed with a fine meshed net.

8. The elevator component laser cutting processing protective device according to claim 1, characterized in that: one end of a cross arm of the first sliding block is connected with a light path device through a clamping groove, an inert gas pipe is inserted into the top of the light path device, and a cutting probe is formed at the bottom of the light path device.