A CNC cutting machine tool for precision mechanical parts

Abstract

This utility model belongs to the technical field of cutting machine tools, specifically relating to a CNC cutting machine tool for precision mechanical parts. It includes a support frame, on which toothed plates are mounted. The toothed plates are equidistantly distributed horizontally and vertically. Several air pipes are fixedly connected to the side wall of the support frame, and these air pipes are interconnected. Each air pipe has a nozzle mounted on its side wall. A support plate is fixedly connected to the side wall of the support frame, and a fan is fixedly installed on the top surface of the support plate. One end of each air pipe is connected to the air outlet of the fan, and a T-connector is fixedly connected to the air inlet of the fan. A cooling air assembly is installed on one end face of the T-connector. This utility model can cool the entire sheet metal during the cutting process, ensuring the cutting quality of the sheet metal.

Description

Technical Field

[0001] This utility model belongs to the field of cutting machine tool technology, specifically relating to a CNC cutting machine tool for precision mechanical parts. Background Technology

[0002] The laser cutting table on a CNC machine tool is a crucial basic component of a laser cutting system. It is primarily used to place and hold the workpiece to be cut. Its worktable surface is generally flat, and there are various ways to hold the workpiece, with the triangular bump type being a common one.

[0003] Currently, laser cutting is generally used for cutting sheet metal. Since most sheet metal is relatively thin, it is easily deformed and warped at the edges during the cooling process due to the high temperature of laser cutting. Moreover, the high temperature generated during laser cutting will expand the heat-affected zone if it is not cooled. This means that the heated area of ​​the metal sheet will increase, which may lead to grain growth and affect the mechanical properties of the material. Utility Model Content

[0004] The purpose of this invention is to provide a CNC cutting machine tool for precision mechanical parts, which can cool the entire sheet material during the cutting process to ensure the cutting quality.

[0005] The specific technical solution adopted in this utility model is as follows:

[0006] A CNC cutting machine tool for precision mechanical parts includes a support frame, on which toothed plates are mounted. The toothed plates are equidistantly distributed in the transverse and longitudinal directions. A plurality of air pipes are fixedly connected to the side wall of the support frame, and the air pipes are interconnected. Each air pipe has a nozzle mounted on its side wall. A support plate is fixedly connected to the side wall of the support frame, and a fan is fixedly installed on the top surface of the support plate. One end of each air pipe is connected to the air outlet of the fan, and a T-connector is fixedly connected to the air inlet of the fan. A cooling air assembly is provided on one end face of the T-connector.

[0007] The cooling air assembly includes a storage box, one end of the three-way pipe is connected to the inner cavity of the storage box, the storage box is circular, an annular plate is fixedly connected to the inner wall of the storage box, a perforated plate is provided on the top surface of the annular plate, a cover plate is provided on the top of the storage box, a pull rod is fixedly connected to the top surface of the cover plate, and an air inlet is provided on the top surface of the cover plate.

[0008] A first filter screen is provided at the connection between the bottom surface of the inner cavity of the storage box and the three-way pipe, and a second filter screen is installed on the side wall of the air inlet.

[0009] The trachea sidewall is fixedly connected with several semi-circular tubes, and one end face of the nozzle is spherical, and the nozzle is adapted to the semi-circular tubes.

[0010] The side wall of the tee pipe is fitted with two control valves.

[0011] Two horizontal plates are fixedly connected to the side wall of the support plate, and the storage box is placed on the top surface of the horizontal plates.

[0012] The technical effects achieved by this utility model are as follows:

[0013] This utility model relates to a precision mechanical parts CNC cutting machine tool. Through the cooperation of air pipes, nozzles, fans, and cooling air components, dry ice can be placed in the storage box. The cold air generated by the dry ice is sent out through the nozzle to comprehensively cool the metal sheet, ensuring that the cutting position of the sheet can be rapidly cooled, thereby improving the mechanical properties of the sheet after cutting and contributing to the improvement of sheet precision. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model embodiment;

[0015] Figure 2 This is a cross-sectional view of the storage box according to this embodiment;

[0016] Figure 3 This is a schematic diagram of the nozzle structure in this utility model embodiment.

[0017] The attached diagram lists the components represented by each number as follows:

[0018] 1. Support; 2. Toothed plate; 3. Air tube; 4. Nozzle; 5. Support plate; 6. Fan; 7. T-pipe; 8. Storage box; 9. Annular plate; 10. Diffuser plate; 11. Cover plate; 12. Pull rod; 13. Air inlet; 14. First filter screen; 15. Semi-circular tube; 16. Control valve; 17. Horizontal plate; 18. Second filter screen. Detailed Implementation

[0019] To make the purpose and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific implementations of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0020] like Figures 1-3 As shown, a CNC cutting machine tool for precision mechanical parts includes a support 1, on which toothed plates 2 are mounted. The toothed plates 2 are distributed equidistantly in the horizontal and vertical directions. Several air pipes 3 are fixedly connected to the side wall of the support 1. The air pipes 3 are interconnected. The side wall of each air pipe 3 is equipped with a nozzle 4. A support plate 5 is fixedly connected to the side wall of the support 1. A fan 6 is fixedly installed on the top surface of the support plate 5. One end of the air pipe 3 is connected to the air outlet of the fan 6. A three-way pipe 7 is fixedly connected to the air inlet of the fan 6. A cold air assembly is provided on one end face of the three-way pipe 7.

[0021] like Figure 1 and Figure 2 As shown, the cold air assembly includes a storage box 8, one end of a three-way pipe 7 is connected to the inner cavity of the storage box 8, the storage box 8 is circular, an annular plate 9 is fixedly connected to the inner wall of the storage box 8, a perforated plate 10 is provided on the top surface of the annular plate 9, a cover plate 11 is provided on the top of the storage box 8, a pull rod 12 is fixedly connected to the top surface of the cover plate 11, and an air inlet 13 is opened on the top surface of the cover plate 11.

[0022] The dry ice can be placed in the storage box 8 by setting up a cold air assembly. The cold air generated when the dry ice comes into contact with the air, combined with the negative pressure of the fan 6, allows the outside air to enter the storage box 8 through the air inlet 13. A cold air collection cavity is formed below the baffle plate 10, which facilitates the delivery of cold air into the three-way pipe 7 to efficiently cool the metal plate.

[0023] like Figure 2 As shown, a first filter screen 14 is provided at the connection between the bottom surface of the inner cavity of the storage box 8 and the three-way pipe 7, and a second filter screen 18 is installed on the side wall of the air inlet 13. The first filter screen 14 can block small dry ice particles, preventing them from falling into the three-way pipe 7; the second filter screen 18 can filter impurities in the outside air, preventing particulate impurities from being mixed in with the outside air.

[0024] like Figure 3 As shown, several semi-circular tubes 15 are fixedly connected to the side wall of the trachea 3, and one end face of the nozzle 4 is spherical, and the nozzle 4 is adapted to the semi-circular tubes 15.

[0025] Specifically, by connecting the nozzle 4 to the semi-circular tube 15, the angle of the nozzle 4 can be adjusted using the friction between the two. This adjustment can be made according to the laser cutting requirements, increasing cooling efficiency and cooling flexibility.

[0026] like Figure 1 As shown, two control valves 16 are mounted on the side wall of the three-way pipe 7. One control valve 16 is mounted on the side near the storage box 8, and the other is mounted on the natural air intake end of the three-way pipe 7, which is used to control the natural temperature air intake or the low temperature air intake.

[0027] like Figure 1 As shown, two horizontal plates 17 are fixedly connected to the side wall of the support plate 5, and the storage box 8 is placed on the top surface of the horizontal plates 17. The horizontal plates 17 can be used to support the storage box 8, which is a conventional mechanical structure and will not be described in detail in this solution.

[0028] The working principle of this utility is as follows: When cooling the board, natural temperature airflow cooling or low temperature airflow cooling can be selected according to the cooling requirements. When natural cooling is required, the control valve 16 on the lower side of the storage box 8 is closed, the fan 6 is started, the airflow in nature is drawn into the air pipe 3, and then sprayed out from multiple nozzles 4 to cool the board by natural airflow.

[0029] When low-temperature cooling is required, dry ice is first placed in storage box 8, the lower control valve 16 is closed and the upper control valve 16 is opened. Then, the fan 6 is started, and the outside airflow enters the storage box 8 through the air inlet 13. The airflow and dry ice form a cold airflow, which is then sprayed out through the nozzle 4 to cool the board, thereby accelerating the cooling efficiency of the board cutting position and ensuring the mechanical properties of the board.

[0030] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the art.

Claims

1. A precision mechanical fitting numerical control cutting machine tool, characterized in that: Includes a bracket (1), on which a toothed plate (2) is mounted, the toothed plate (2) being equidistantly distributed in the transverse and longitudinal directions, a number of air pipes (3) being fixedly connected to the side wall of the bracket (1), the number of air pipes (3) being interconnected, each of the air pipes (3) being equipped with a nozzle (4) on its side wall, a support plate (5) being fixedly connected to the side wall of the bracket (1), a fan (6) being fixedly installed on the top surface of the support plate (5), one end of the air pipe (3) being connected to the air outlet of the fan (6), a three-way pipe (7) being fixedly connected to the air inlet of the fan (6), and a cold air assembly being provided on one end face of the three-way pipe (7).

2. The precision mechanical fitting numerical control cutting machine tool according to claim 1, characterized in that: The cold air assembly includes a storage box (8), one end of the three-way pipe (7) is connected to the inner cavity of the storage box (8), the storage box (8) is circular, an annular plate (9) is fixedly connected to the inner wall of the storage box (8), a perforated plate (10) is provided on the top surface of the annular plate (9), a cover plate (11) is provided on the top of the storage box (8), a pull rod (12) is fixedly connected to the top surface of the cover plate (11), and an air inlet hole (13) is opened on the top surface of the cover plate (11).

3. The CNC cutting machine tool for precision mechanical parts according to claim 2, characterized in that: A first filter screen (14) is provided at the connection between the bottom surface of the inner cavity of the storage box (8) and the three-way pipe (7), and a second filter screen (18) is installed on the side wall of the air inlet (13).

4. The CNC cutting machine tool for precision mechanical parts according to claim 1, characterized in that: The sidewall of the trachea (3) is fixedly connected with several semi-circular tubes (15), and one end face of the nozzle (4) is spherical. The nozzle (4) is adapted to the semi-circular tubes (15).

5. A CNC cutting machine tool for precision mechanical parts according to claim 1, characterized in that: The side wall of the tee pipe (7) is fitted with two control valves (16).

6. A CNC cutting machine tool for precision mechanical parts according to claim 2, characterized in that: The support plate (5) has two horizontal plates (17) fixedly connected to its side wall, and the storage box (8) is placed on the top surface of the horizontal plates (17).

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