Exhaust device for short arc machine tool

Abstract

The utility model discloses an exhaust device for a short arc machine tool. The exhaust device comprises an exhaust device shell, a motor driving motor, an exhaust fan, a gas flow guide corrugated pipe, a smoke filter screen and an activated carbon filter. Two exhaust outlets are formed in the top of the exhaust device shell and connected with gas flow guide corrugated pipes respectively, and exhaust fans are arranged in the exhaust outlets. An activated carbon filter is arranged in the exhaust device shell and fixed through a smoke filter screen. The novel exhaust device for the short arc machine tool is provided with a structure capable of improving the exhaust efficiency of the novel exhaust device, poisonous and harmful gas generated in the machining process can be effectively filtered and discharged, harm to the health of operators is avoided, and the novel exhaust device is suitable for wide application and popularization.

Description

Technical Field

[0001] The utility model belongs to the field of special processing, and in particular relates to an exhaust device for a short arc machine tool. Background Art

[0002] During the short arc machining process, due to the uncertainty of the workpiece being machined and the uncertainty of the electrode, a special chemical reaction may occur between the electrode and the workpiece, generating toxic and harmful fumes that float in the air. If they cannot be quickly discharged, they may endanger human health.

[0003] At present, there is no appropriate way to deal with the toxic and harmful gases that may be produced during short arc processing. Long-term exposure to such a working environment may cause human diseases and endanger life and health. Therefore, it is necessary to improve the emission of toxic and harmful gases during machine tool processing. Utility Model Content

[0004] The purpose of the utility model is to provide a short arc machine tool exhaust device to treat the toxic and harmful gases and smoke generated during the processing, and to achieve low-cost air purification through a rapid exhaust method.

[0005] To achieve the above objectives, the present invention employs a technical solution: an exhaust device for a short arc machine tool, comprising an exhaust device housing, an electric motor, an exhaust fan, a gas guide bellows, a smoke filter, and an activated carbon filter. The electric motor is mounted on a support frame of the exhaust device housing and is threadedly connected to the support frame, resulting in a compact device structure.

[0006] Furthermore, the exhaust fan is mounted on the motor drive motor, fixed to the motor support shaft by a latch, and screwed on by the end cover of the motor drive motor.

[0007] Furthermore, the gas guide bellows is installed on the upper outer wall of the exhaust device housing, and is connected by four sets of threads so that the lower end of the gas guide bellows is fixed on the exhaust device housing.

[0008] Furthermore, the activated carbon filter is installed under the middle support frame of the exhaust device shell, supported by the smoke filter in the middle and kept motionless, and is located below the exhaust fan.

[0009] Furthermore, the smoke filter is installed on the lower side of the exhaust device housing and fixed by a threaded connection.

[0010] Furthermore, the exhaust device housing is installed at the air outlet position on the top of the short arc machine tool and is connected to the power supply through a power cable.

[0011] The utility model is a device suitable for rapid exhaust during short arc processing. The exhaust channel is directly discharged into the air through a bellows and will not leak in the working environment. The wires are hidden inside the shell. The main structure is connected by threads and is easy to disassemble. The base is flattened for easy transportation and placement. The structure is reasonable and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural diagram of an exhaust device for a short arc machine tool according to the present utility model.

[0013] Figure 2 This is an exploded view of the exhaust device for short arc machine tools of the utility model.

[0014] Figure 3 This is the front view of the exhaust device for short arc machine tools of the utility model.

[0015] Figure 4 This is a bottom view of the exhaust device for short arc machine tools of the present invention.

[0016] Figure 5 This is a left view of the exhaust device for short arc machine tools of the utility model.

[0017] In the figure: 1. Exhaust device housing; 2. Motor drive motor; 3. Exhaust fan; 4. Fan fastening nut; 5. Gas guide bellows; 6. Smoke filter; 7. First fastening screw; 8. Second fastening screw; 9. Activated carbon filter; 10. First threaded hole; 11. First exhaust port; 12. Second exhaust port; 13. Second threaded hole; 14. Third threaded hole; 15. Fourth threaded hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1-5 As shown, the exhaust device for short arc machine tools includes a device housing 1, the top of the exhaust device housing 1 has two exhaust ports, which are connected to the gas guide bellows 5, and the bottom of the exhaust device housing is provided with an activated carbon filter 9, which is fixed by a smoke filter 6.

[0020] There are four groups of second threaded holes 13 arranged around the bottom of the gas guide bellows 5 , and there are four groups of first threaded holes 10 corresponding to the second threaded holes 13 on the exhaust device housing 1 .

[0021] The smoke filter 6 is provided with six groups of fourth threaded holes 15 , which are fixed to the exhaust device housing 1 by six corresponding groups of second fastening screws 8 .

[0022] The first and second air outlets 11 and 12 are each provided with an exhaust fan 3 at their lower ends, and a motor drive motor 2 is provided under the exhaust fan. The gas guide bellows at the air outlet are both fixed to the first threaded hole 10 by a first fastening screw 7 .

[0023] The activated carbon filter 9 is installed below the exhaust device housing 1 and is pressed by the smoke filter 6 , and is then fixed by installing the second fastening screws 8 through the fourth threaded holes 15 .

[0024] In this embodiment, Figure 1 As described above, a first air outlet 11 and a second air outlet 12 are respectively provided.

[0025] It should be noted that the utility model is an exhaust device for short arc machine tools. When the short arc machine tool is in operation or idle, the staff can set the device on the top of the machine tool, and generate wind power through the power of the exhaust fan 3 when it is running. Under the joint action of the smoke filter 6 and the activated carbon filter 9, the toxic and harmful gases generated during the processing of the short arc machine tool are filtered, and then the suction force generated by the exhaust fan is discharged into the air through the gas guide bellows.

[0026] Since more toxic and harmful gases may be generated during short arc processing, the smoke filter 6 and the activated carbon filter 9 need to be replaced regularly. The smoke filter 6 can be removed by removing the second fastening screw 8 at the bottom, and the activated carbon filter 9 will fall out naturally.

[0027] Finally, it should be pointed out that the above content only describes the preferred embodiments of the present invention and does not limit the present invention. Although we have described these embodiments in detail, those skilled in the art may still modify the technical solutions in these embodiments or make equivalent substitutions for certain technical features. Any modification, equivalent substitution or improvement within the spirit and principle of the present invention shall be deemed to be within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented in accordance with conventional means in the art.

Claims

1. An exhaust device for a short arc machine tool, comprising: An exhaust device housing, an electric motor, an exhaust fan, a gas guide bellows, a smoke filter, and an activated carbon filter are characterized in that four groups of second threaded holes (13) are arranged around the bottom of the gas guide bellows (5), and four groups of first threaded holes (10) corresponding thereto are arranged on the exhaust device housing (1), the gas guide bellows (5) are respectively provided with a first exhaust port (11) and a second exhaust port (12), the lower ends of the first exhaust port (11) and the second exhaust port (12) are both provided with an exhaust fan (3), and a motor drive motor (2) is provided under the exhaust fan, the gas guide bellows at the air outlet are fixed to the first threaded hole (10) by a first fastening screw (7), the activated carbon filter (9) is installed below the exhaust device housing (1), and is pressed by the smoke filter (6), and then fixed by a second fastening screw 8 respectively installed through the fourth threaded hole (15).

2. The exhaust device for a short arc machine tool according to claim 1, characterized in that The smoke filter (6) is provided with six groups of fourth threaded holes (15) and is fixed to the exhaust device housing (1) by six corresponding groups of second fastening screws (8).

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