RU2535434C2 - Coordinate device - Google Patents

Abstract

FIELD: process engineering.

SUBSTANCE: invention relates to coordinate device and can be used in high-precision processing hardware, primarily, for processing of articles by laser tools. Bed 1 supporting coordinate axes 2, 3 has the cavity that makes a spark-quench chamber 9 with openings 8. Working zone is communicated via openings 8 and spark-quench chamber 9 with gas-dust bend pipeline 7. Spark-quench chamber 9 openings 8 are communicated with working zone 6 by throttling device. At laser processing, air from working chamber and combustion products flows via throttling device in spark-quench chamber 9. Note here that flow rate drops to make combustion product particles settle in said chamber. Combustion products are discharged from spark-quench chamber via hatch. Plugs are used to adjust air intake from chamber part accommodating head with laser tool to allow air flow rate control for efficient removal of combustion products.

EFFECT: efficient removal of combustion products.

4 cl, 6 dwg

Description

The invention relates to the field of engineering and can be used in high-precision technological equipment, mainly when processing products with a laser tool, for example, cutting tables.

When operating a coordinate device using a head with a laser tool, the processing of material placed on the desktop is accompanied by the emission of a large amount of combustion products, so the devices must be equipped with a system for removing smoke and splashes of molten metal and combustion products. To do this, use exhaust devices.

Known working tables of the company "Kemper", which are intended for plasma and thermal cutting of metal. They are sectional typesetting tables for any required working area and are equipped with a local air exhaust system directly from the cutting zone. The air intake in these devices is carried out from under the table. However, these devices are not applicable when using a head with a laser tool, since the laser beam during processing of the material can damage the working table and the local air exhaust system [1].

It is also known a coordinate device containing a base, placed on the base of the coordinate axis and a head with a laser tool, a work table with a working area and a gas and dust outlet containing a pipe connected to the fan [2].

In the known device, the entrance to the pipeline is located in the working area.

However, this technical solution is not convenient, since the pipeline occupies a space in the working area and hot products of cutting can damage it. In addition, the pipeline may be exposed to a laser beam. At the same time, it is difficult to effectively control air flows, which must be adjusted to the position of the head with a laser tool.

Hot material can enter the general ventilation system and cause a fire.

The result, which this technical solution is aimed at, is to improve sanitary and hygienic conditions while increasing the level of fire safety.

This result is achieved due to the fact that in a coordinate device containing a base, coordinate axes and a head with a laser tool placed on the base, a work table with a working area and a gas and dust outlet containing a pipeline connected to the fan, its base is hollow and provided with windows, forming a spark-extinguishing chamber, and the working area is connected through windows and a spark-extinguishing chamber with a pipeline of dust and gas removal. The windows of the spark-extinguishing chamber are connected to the working area by means of throttle devices.

Throttle devices are adjustable. The spark-extinguishing chamber is made with a hatch for cleaning it from combustion products.

The invention is illustrated by drawings, where Fig. 1 shows an example of the implementation of the claimed technical solution, Fig. 2 is a section A-A, in Fig. 3 is a place D, in Fig. 4 is a section B-B, in Figs. 5 and 6, respectively, types B and G.

The coordinate device comprises a base 1, placed on the base of the coordinate axes 2, 3, and a head 4 with a laser tool, a work table 5 with a working area 6, and a gas and dust outlet comprising a conduit 7 connected to a fan (not shown) and the base 1 is hollow and equipped with windows 8, forming a spark-extinguishing chamber 9. The working area is connected through windows 8 and the spark-extinguishing chamber 9 with a pipeline 7 of dust and gas removal.

The windows 8 of the spark-extinguishing chamber 9 are connected to the working area 6 by means of throttle devices 10. The throttle devices can be made adjustable, for example, by means of controlled dampers 11. The spark-extinguishing chamber 9 is made with a hatch 12 for cleaning it from combustion products.

When the device is operating, air from the working area, together with the combustion products, enters through the throttle device into the spark-extinguishing chamber 9. In this case, the flow rate drops and particles of the combustion products settle in the chamber. At the entrance to the pipeline a filter is installed (not shown in the drawing), which prevents burning particles from entering the pipeline 7. The spark-extinguishing chamber is discharged from the combustion products through the hatch 12.

The plugs 11 adjust the air intake from that part of the chamber in which the head with the laser tool is located, which allows, due to a change in the air flow rate, to efficiently remove combustion products.

Thus, this technical solution will allow:

- improve the sanitary and hygienic conditions of the staff;

- increase the level of fire safety.

Information sources

1. Plazmamash catalog "Kemper exhaust tables for plasma and thermal metal cutting", 2007, http://www.plazmamash.ru/tables

2. ESTO, Research Institute of Electronic Special Technological Equipment, Lasers and equipment TM “Laser machine for cutting ML35-010 ld, Technical Description and Operation Manual NABS.514.00.00.000 TO”, page 42, Moscow, 2010

Claims (4)

1. The coordinate device of the laser tool containing a base on which is placed a work table configured to exhaust gas and dust from the working area, coordinate axes and a dust and gas outlet with a pipe for removing gas and dust from the working area, connected to a fan, characterized in that at the base there is a cavity with windows, which is a spark-extinguishing chamber, connected to the pipeline of gas and dust removal. 2. The device according to claim 1, characterized in that the windows of the spark-extinguishing chamber are connected to the pipeline by means of throttling devices. 3. The device according to claim 2, characterized in that the throttle devices are made with the possibility of regulation by means of controlled dampers. 4. The device according to claim 1, characterized in that the spark-extinguishing chamber is made with a hatch for cleaning it from combustion products.

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