A nanoscale pigment inkjet device

Abstract

The application provides a nanoscale pigment spraying device, which comprises a mixed flow pipe body, a blocking ring is screw-coupled outside the mixed flow pipe body, a locking ring is screw-coupled outside the blocking ring, an end of the blocking ring is provided with a pressing ring, the outer diameter of the pressing ring decreases towards the locking ring, and the pressing ring is divided by a gap formed at the end of the blocking ring. The blocking ring and the mixed flow pipe body are designed in a split type, the pressing ring is pressed by the locking ring, the rotation of the blocking ring relative to the mixed flow pipe body is limited, the position of the blocking ring is adjustable and fixable, and the gap is further reduced to adjust the spraying effect.

Description

Technical Field

[0001] This application relates to the field of enamel painting technology, and more particularly to a nanoscale pigment spraying device. Background Technology

[0002] In the process of enamel coating on iron plates, a spraying device is needed to spray nano-sized pigments onto the iron plate. In order to improve the spraying effect, the nozzle of the spraying device needs to be able to stably release a gas-liquid mixture.

[0003] Patent CN101992159U discloses a two-fluid nozzle, which includes a main body, through which gas and liquid are introduced and a gap is formed by the conical tube of a guide tube and the conical hole of a mixing tube, so that the gas and liquid pass through the gap at high speed to help generate a siphon effect. The gas and liquid are introduced into the mixing inner tube of the mixing tube, where the gas and liquid are mixed to generate a gas-liquid mixed fluid. By means of rifling engraved on the mixing inner tube, the gas-liquid mixed fluid is slowly rotated and evenly transmitted to the nozzle inner tube of a nozzle tube. The front end of the nozzle inner tube is formed into a hemispherical shape. This design avoids the backflow of the gas-liquid mixed fluid and generates turbulence, so that the gas-liquid mixed fluid generates a siphon effect and is stably released from the nozzle tube opening.

[0004] However, the aforementioned disclosure reveals that the outer wall of the mixing tube is integrally molded with a retaining ring, which limits the maximum depth to which the mixing tube can be screwed into the main tube, resulting in the gap being unable to be further reduced and the printing effect being difficult to adjust. Utility Model Content

[0005] In view of this, the purpose of this application is to provide a nanoscale pigment inkjet printing device so that the position of the retaining ring is adjustable and the printing effect can be adjusted by further reducing the gap.

[0006] The technical solution of this application is as follows:

[0007] This application provides a nanoscale pigment inkjet printing device, including a mixing tube body, a retaining ring screwed onto the outside of the mixing tube body, a locking ring screwed onto the outside of the retaining ring, and a pressure ring provided at the end of the retaining ring. The outer diameter of the pressure ring decreases toward the locking ring, and the pressure ring is divided by a notch formed at the end of the retaining ring.

[0008] By adopting the technical solution of this application, the baffle ring and the mixing tube body are designed separately, and the pressure ring is pressed by the locking ring, which can limit the rotation of the baffle ring relative to the mixing tube body, making the position of the baffle ring adjustable and fixed, and facilitating further reduction of the gap to adjust the printing effect.

[0009] In some implementations, the pressure ring and the retaining ring are arranged coaxially.

[0010] In some implementations, the pressure ring and the retaining ring are integrally formed.

[0011] In some implementations, the inner diameter of the pressure ring is equal to the inner diameter of the retaining ring.

[0012] In some implementations, the outer diameter of the smaller end of the pressure ring is equal to the outer diameter of the retaining ring.

[0013] In some implementations, the notch is arranged parallel to the axis of the retaining ring.

[0014] In some implementations, the notch and the pressure ring have the same axial length.

[0015] In some implementations, the notches are evenly distributed along the circumference of the retaining ring. Attached Figure Description

[0016] Exemplary embodiments of this application will now be described in detail with reference to the accompanying drawings. It should be understood that the embodiments described below are for illustrative purposes only and are not intended to limit the scope of this application. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of an existing two-fluid nozzle;

[0018] Figure 2 This is a cross-sectional view of an existing two-fluid nozzle;

[0019] Figure 3 This is a schematic diagram of a nanoscale pigment spraying device according to an embodiment of this application;

[0020] Figure label:

[0021] 10. Nozzle hose;

[0022] 20. Mixing tube body; 21. Retaining ring; 22. Pressure ring; 23. Locking ring; 24. Notch;

[0023] 30. Diversion tube body;

[0024] 40. Supervisory body;

[0025] 50. Gap. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining this application and are not intended to limit this application.

[0027] In the related technology, during the enamel coating process of iron plates, a spraying device is needed to spray nano-sized pigments onto the iron plate. In order to improve the spraying effect, the nozzle of the spraying device needs to be able to stably release a gas-liquid mixture.

[0028] Please see Figures 1-2 Patent CN101992159U discloses a two-fluid nozzle, which includes a main body 40, through which gas and liquid are introduced and a gap 50 is formed by the conical tube of a guide tube 30 and the conical hole of a mixing tube 20, so that the gas and liquid pass through the gap 50 at high speed to help generate a siphon effect. The gas and liquid are introduced into the mixing inner tube of the mixing tube 20, where the gas and liquid are mixed to generate a gas-liquid mixed fluid. With the help of rifling engraved on the mixing inner tube, the gas-liquid mixed fluid rotates slowly and is evenly transmitted to the nozzle inner tube of a nozzle tube 10. The front end of the nozzle inner tube is formed into a hemispherical shape. This design avoids the backflow of the gas-liquid mixed fluid and generates turbulence, so that the gas-liquid mixed fluid generates a siphon effect and is stably released from the nozzle tube opening.

[0029] However, the aforementioned disclosure shows that the outer wall of the mixing tube 20 is integrally formed with a retaining ring 21. The retaining ring 21 restricts the maximum depth to which the mixing tube 20 is screwed into the main tube 40, which makes it impossible to further reduce the gap 50 and makes it inconvenient to adjust the printing effect.

[0030] In view of this, the purpose of this embodiment is to provide a nanoscale pigment inkjet printing device so that the position of the retaining ring 21 is adjustable and the printing effect can be adjusted by further reducing the gap 50.

[0031] Please see Figures 1-3 In this embodiment, a nanoscale pigment spraying device includes a mixing tube body 20, a retaining ring 21 screwed onto the outside of the mixing tube body 20, a locking ring 23 screwed onto the outside of the retaining ring 21, a pressure ring 22 provided at the end of the retaining ring 21, the outer diameter of the pressure ring 22 decreasing toward the locking ring 23, and the pressure ring 22 being divided by a notch 24 formed at the end of the retaining ring 21.

[0032] By adopting the technical solution of this embodiment, the baffle ring 21 and the mixing tube body 20 are designed separately, and the pressure ring 22 is pressed by the locking ring 23, which can restrict the rotation of the baffle ring 21 relative to the mixing tube body 20, so that the position of the baffle ring 21 is adjustable and fixed, which makes it easier to further reduce the gap 50 to adjust the printing effect.

[0033] It should be noted that this embodiment is an improvement on the combination structure of the mixing tube body 20 and the retaining ring 21 in the patent with publication number CN101992159U. The purpose is to make the installation position of the retaining ring 21 relative to the mixing tube body 20 adjustable, so that the mixing tube body 20 can be screwed into the main tube body 40 to extend further, thereby further reducing the gap 50.

[0034] It should also be noted that, compared to the integrated design of the retaining ring 21 and the mixing tube body 20 in the prior art, this embodiment adopts a separate design for the retaining ring 21 and the mixing tube body 20. In this embodiment, the retaining ring 21 is screwed onto the outside of the mixing tube body 20, and the retaining ring 21 is clamped onto the mixing tube body 20 by the cooperation of the locking ring 23 and the pressure ring 22, thereby restricting the rotation of the retaining ring 21 relative to the mixing tube body 20 and ensuring that the retaining ring 21 can be locked in the target position.

[0035] In this embodiment, the pressure ring 22 and the retaining ring 21 are integrally formed structures and are arranged coaxially. The inner diameter of the pressure ring 22 is equal to the inner diameter of the retaining ring 21, and the outer diameter of the smaller end of the pressure ring 22 is equal to the outer diameter of the retaining ring 21. The inner and outer walls of the pressure ring 22 are both smooth walls. The notch 24 divides the pressure ring 22 into two parts, and the extension direction of the notch 24 is parallel to the axis of the retaining ring 21. The notch 24 and the pressure ring 22 have the same axial length, and the notch 22 is evenly distributed along the circumference of the retaining ring 21.

[0036] In this embodiment, the locking ring 23 is screwed onto the outside of the retaining ring 21. When the locking ring 23 is screwed toward the pressure ring 22, the locking ring 23 can generate an inward squeezing force on the pressure ring 22, thereby causing the pressure ring 22 to hold the mixing tube body 20 tightly. The holding effect of the pressure ring 22 on the mixing tube body 20 can restrict the rotation of the retaining ring 21 relative to the mixing tube body 20, thereby fixing the installation position of the retaining ring 21 on the mixing tube body 20.

[0037] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A nanoscale pigment spraying device, comprising a mixing tube, characterized in that, The mixing tube is externally screwed with a retaining ring, and the retaining ring is externally screwed with a locking ring. The end of the retaining ring is provided with a pressure ring, the outer diameter of which decreases toward the locking ring, and the pressure ring is divided by a notch formed at the end of the retaining ring.

2. The nanoscale pigment spraying device as described in claim 1, characterized in that, The pressure ring and the retaining ring are arranged coaxially.

3. The nanoscale pigment spraying device as described in claim 2, characterized in that, The pressure ring and the retaining ring are integrally formed.

4. The nanoscale pigment spraying device as described in claim 3, characterized in that, The inner diameter of the pressure ring is equal to the inner diameter of the retaining ring.

5. The nanoscale pigment inkjet printing device as described in claim 4, characterized in that, The outer diameter of the smaller end of the pressure ring is equal to the outer diameter of the retaining ring.

6. The nanoscale pigment spraying device as described in claim 5, characterized in that, The notch is arranged parallel to the axis of the retaining ring.

7. The nanoscale pigment spraying device as described in claim 6, characterized in that, The notch has the same axial length as the pressure ring.

8. The nanoscale pigment spraying device as described in claim 7, characterized in that, The notches are evenly distributed along the circumference of the retaining ring.

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