Device for uniformly spraying casting coating

Abstract

The utility model relates to the technical field of casting forming control, and particularly discloses a device for uniformly spraying casting coating, which comprises a vertical pipe fitting and a transverse pipe fitting, the vertical pipe fitting and the transverse pipe fitting are communicated in an orthogonal form, a uniform spraying mechanism is arranged at the tail end of the vertical pipe fitting, the uniform spraying mechanism comprises a coating inlet and an air source inlet, and the air source inlet is communicated with the vertical pipe fitting. The gas source inlet is located at the tail end of the transverse pipe fitting, a coating output unit is arranged on the side wall of the vertical pipe fitting, a discharging port of the gas source output unit is connected with the gas source inlet of the transverse pipe fitting, a first variable cross section is arranged at the tail end of the side, away from the coating inlet, of the vertical pipe fitting, and a second variable cross section is arranged at the tail end, away from the gas source inlet, of the transverse pipe fitting. The first variable cross section and the second variable cross section are in a vertical state, and the structure and the layout of the device are optimized, so that the device is composed of independent pipe fittings and is convenient to machine and assemble, the cost is low, popularization is facilitated, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of casting forming control, in particular to a device for uniformly spraying casting coatings. Background Art

[0002] Casting is the process of injecting molten metal into a mold cavity, cooling and solidifying it to obtain a casting that is consistent with the shape of the mold cavity. Normally, the metal liquid is injected into the casting cavity by its own gravity. For the metal mold casting process, since the mold material is metal, it does not have an exhaust function. It is necessary to spray paint on the mold surface to use the gaps between the paint particles to exclude or store a certain amount of gas and protect the mold material body. Under normal circumstances, the thickness of the mold paint layer is 0.1-0.2mm. At present, the brushing method is usually adopted. The thickness of the paint layer is not easy to control, which easily affects the dimensional accuracy of the casting and cannot completely solve the problems of air holding and insufficient pouring. The practicality is insufficient and needs to be improved. Utility Model Content

[0003] (1) Technical problems solved

[0004] In view of the deficiencies in the prior art, the utility model provides a device for uniformly spraying casting coatings, which solves the technical problem of insufficient practicality of the prior devices.

[0005] (2) Technical solution

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A device for uniformly spraying casting coatings comprises a vertical pipe and a horizontal pipe, wherein the vertical pipe and the horizontal pipe are connected to each other in an orthogonal manner;

[0008] The end of the vertical pipe is provided with a uniform spraying mechanism;

[0009] The uniform spray mechanism includes a paint inlet, and the uniform spray mechanism also includes an air source inlet. The air source inlet is located at the end of the horizontal pipe. A paint output unit is provided on the side wall of the vertical pipe. The discharge port of the paint output unit is connected to the paint inlet of the vertical pipe.

[0010] Preferably, an air source output unit is provided on the side wall of the horizontal pipe, the outlet of the air source output unit is connected to the air source inlet of the horizontal pipe, and a first variable cross-section is provided at the end of the vertical pipe away from the paint inlet.

[0011] Preferably: the end of the transverse pipe away from the air source inlet is provided with a second variable cross-section, the first variable cross-section and the second variable cross-section are in a vertical state, the first variable cross-section and the second variable cross-section are connected in an orthogonal form, a paint atomization generation part is provided between the ends of the first variable cross-section and the second variable cross-section, and the connection port between the first variable cross-section and the second variable cross-section and the paint atomization generation part is fixedly installed.

[0012] (3) Beneficial effects

[0013] 1. By optimizing the structure and layout of the device, the device is made up of separate pipes, which is easy to process and assemble, thereby reducing the cost, facilitating promotion, and enhancing practicality;

[0014] Second, by setting a first variable cross-section and a second variable cross-section in the middle between the vertical pipe fitting and the horizontal pipe fitting, the vertical pipe fitting and the horizontal pipe fitting are in a right-angle state. One end uses an air source output unit to introduce high-pressure compressed gas into the horizontal pipe fitting, and the other end is used to introduce a coating output unit into the vertical pipe fitting. The speed and direction of the introduced high-speed airflow are changed by changing the first variable cross-section and the second variable cross-section, so that the liquid coating forms an atomized state in the device, and forms a uniform coating layer on the surface of the metal casting mold through the lead-out portion, thereby improving the casting mold exhaust and metal liquid forming capabilities, and obtaining a casting blank with a sound shape;

[0015] 3. This device can make the surface of the metal casting cavity evenly adhere to the casting coating of a certain thickness, thereby improving the exhaust capacity of the casting and the filling capacity of the metal liquid. It can obtain a thin-walled sound structure with a wall thickness of 2.5mm produced by the metal mold gravity casting process. It is particularly effective for aluminum alloy castings with thin-walled heat sink shapes and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0017] Figure 1 This is a planar structural diagram of the present utility model.

[0018] Legend: 11. Vertical pipe fitting; 12. Horizontal pipe fitting; 13. Paint inlet; 14. Air source inlet; 15. Paint output unit; 16. Air source output unit; 17. First variable cross-section; 18. Second variable cross-section; 19. Paint atomization generation part. DETAILED DESCRIPTION

[0019] The embodiment of the present application provides a device for uniformly spraying casting coatings, which effectively solves the technical problem of insufficient practicality of existing devices.

[0020] Example

[0021] like Figure 1 As shown, the technical solution in the embodiment of the present application effectively solves the technical problem of insufficient practicality of the existing device. The overall idea is as follows:

[0022] In view of the problems existing in the prior art, the utility model provides a device for uniformly spraying casting coatings, comprising a vertical pipe 11 and a horizontal pipe 12, wherein the vertical pipe 11 and the horizontal pipe 12 are orthogonally connected;

[0023] The end of the vertical pipe 11 is provided with a uniform spraying mechanism;

[0024] The uniform spraying mechanism includes a paint inlet 13, and the uniform spraying mechanism also includes an air source inlet 14. The air source inlet 14 is located at the end of the horizontal pipe 12. A paint output unit 15 is provided on the side wall of the vertical pipe 11. The discharge port of the paint output unit 15 is connected to the paint inlet 13 of the vertical pipe 11. An air source output unit 16 is provided on the side wall of the horizontal pipe 12. The discharge port of the air source output unit 16 is connected to the air source inlet 14 of the horizontal pipe 12. By optimizing the structure and layout of the device, the device is composed of separate pipes, which is easy to process and assemble, thereby reducing the cost, facilitating promotion, and having strong practicality.

[0025] A first variable cross-section 17 is provided at the end of the vertical pipe 11 on the side away from the paint inlet 13, and a second variable cross-section 18 is provided at the end of the horizontal pipe 12 away from the air source inlet 14. The first variable cross-section 17 and the second variable cross-section 18 are in a vertical state, and the first variable cross-section 17 and the second variable cross-section 18 are connected in an orthogonal form. A paint atomization generation part 19 is provided between the ends of the first variable cross-section 17 and the second variable cross-section 18. The first variable cross-section 17 and the second variable cross-section 18 are fixedly installed at the connection port of the paint atomization generation part 19. By arranging the vertical pipe 11 and the horizontal pipe 12, and arranging the first variable cross-section 17 and the second variable cross-section 18 at the ends of the vertical pipe 11 and the horizontal pipe 12 respectively, a negative pressure can be formed at the paint atomization generation part 19, and the liquid casting paint can be quickly drawn out and atomized and sprayed out by utilizing the siphon principle.

[0026] Finally, it should be noted that the above embodiments are merely examples for the purpose of illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to provide an exhaustive list of all possible embodiments. However, any obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A device for uniformly spraying casting coating, characterized in that: It comprises a vertical pipe (11) and a horizontal pipe (12), wherein the vertical pipe (11) and the horizontal pipe (12) are connected in an orthogonal manner; The end of the vertical pipe (11) is provided with a uniform spraying mechanism; The uniform spray mechanism comprises a paint inlet (13), and the uniform spray mechanism further comprises an air source inlet (14), wherein the air source inlet (14) is located at the end of the transverse pipe (12).

2. A device for uniformly spraying casting coating according to claim 1, characterized in that: A paint output unit (15) is provided on the side wall of the vertical pipe (11); The discharge port of the paint output unit (15) is connected to the paint inlet (13) of the vertical pipe (11).

3. A device for uniformly spraying casting coating according to claim 2, characterized in that: An air source output unit (16) is provided on the side wall of the transverse pipe (12); The outlet of the gas source output unit (16) is connected to the gas source inlet (14) of the transverse pipe (12).

4. A device for uniformly spraying casting coating according to claim 3, characterized in that: The end of the vertical pipe (11) away from the coating inlet (13) is provided with a first variable cross-section (17); Wherein, the end of the transverse pipe (12) away from the gas source inlet (14) is provided with a second variable cross-section (18).

5. A device for uniformly spraying casting coating according to claim 4, characterized in that: The first variable cross section (17) and the second variable cross section (18) are in a vertical state; The first variable cross-section (17) and the second variable cross-section (18) are connected in an orthogonal manner.

6. A device for uniformly spraying casting coating according to claim 5, characterized in that: A paint atomization generating portion (19) is provided between the ends of the first variable cross-section (17) and the second variable cross-section (18).

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