A coated rotary spray tool for spraying

Abstract

The utility model discloses a kind of rotary spray tools for spraying of coating, the utility model spin cup spray gun and spray cup, the spray cup with the spin cup spray gun detachably connected, specifically, motor drive the rotation of the spray cup is equipped in the spin cup spray gun;The spray cup includes main body part, installation locking part, diffusion cone surface, the installation locking part and the diffusion cone surface are respectively located at the both ends of the main body part, the main body part, installation locking part, diffusion cone surface integrally formed, the installation locking part with the motor main shaft coaxial detachably connected in the spin cup spray gun.The utility model increases gathering compression ring at tail end, gathers to paint spraying, reduces the interference of external environment wind, paint spraying is gathered to gathering compression ring under the inertia effect after being sprayed again, spray cup is atomized by the inertia cooperation spin-throwing joint of high-speed rotation and forms certain diameter range atomized spray column, atomization is more higher, paint spraying mist column is more concentrated, paint spraying effect is better.

Description

Technical Field

[0001] This utility model relates to the field of surface treatment technology, and in particular to a rotary sprayer for coating. Background Technology

[0002] The existing patent publication number CN214160100U discloses a novel high-speed electrostatic rotary cup for coating. It includes a rotary cup mechanism and a cup head mechanism used in conjunction. This application uses a coating tube fixed to one end of the rotary cup body, with a turbine motor mounted outside it to drive the cup head mechanism to rotate. A nozzle is installed at the end of the coating tube to spray the coating onto the cup head mechanism. A forming cover is provided along the edge of the rotary cup body, integrating the functions of a cup cover, outer shell, and connectors in a traditional structure, effectively reducing the number of parts used. A spacer is provided outside the turbine motor, forming an air passage between the forming cover and the spacer, which communicates with the channel and gap of the clamping sleeve to create a resultant air force. This, combined with the electric field force connected to the rotary cup mechanism, enables the coating to move. A guide channel is provided on the cup head body, communicating with the nozzle to transport the coating. A flow divider is provided on the cup head body, forming a flow channel between it and the cup head body, allowing coating particles to fly out through the flow channel during normal spraying. Its spray cup has an outward flare at the end, and the paint spreads radially after leaving the spray cup wall. Furthermore, when there is wind interference in the external environment or when the nozzle moves or swings, the paint mist column does not follow well, and the paint mist concentration is poor, resulting in the paint mist on the outer surface not being able to adhere effectively. Utility Model Content

[0003] This utility model provides a rotary sprayer for coating to solve the technical problems pointed out in the background art.

[0004] The present invention adopts the following technical solution to solve the above-mentioned technical problems: A rotary sprayer for painting includes; A rotary cup spray gun and a spray cup, wherein the spray cup is detachably connected to the rotary cup spray gun. Specifically, the rotary cup spray gun is equipped with a motor to drive the spray cup to rotate. The spray cup includes a main body, a mounting and locking part, and a diffusion cone surface. The mounting and locking part and the diffusion cone surface are located at the front and rear ends of the main body, respectively. The main body, the mounting and locking part, and the diffusion cone surface are integrally formed. The mounting and locking part is coaxially and detachably connected to the main shaft of the motor inside the rotary cup spray gun. The diffusion cone surface is flared outward to diffuse the paint sprayed by the rotary cup spray gun in a circumferential direction. A converging compression ring is fixedly provided at the nozzle end of the diffusion cone surface, and a through structure is provided at annular intervals on the converging compression ring.

[0005] Preferably, the outer edge of the inclined surface of the diffusion cone is tangent to the inner arc surface wall of the converging compression ring.

[0006] Preferably, the outer wall of the mounting and locking part is provided with an annular groove, and a sealing ring is fitted inside the annular groove. After the sealing ring is installed in the rotary cup spray gun, it seals against the inner wall of the rotary cup spray gun.

[0007] Preferably, the tail end of the mounting locking part is provided with a screw hole, and a threaded connector is fixed to the motor spindle for connection with the screw hole.

[0008] The beneficial effects of this invention are as follows: Compared with the existing rotary spray cup, by adding a converging compression ring at the end, the sprayed paint is concentrated, reducing the interference of external wind. After the paint is sprayed out, it is quickly concentrated into the converging compression ring under the action of inertia. The spray cup atomizes the paint and forms an atomized spray column with a certain diameter range through the inertia generated by high-speed rotation and the rotary polishing slit. The atomization is finer, the paint mist column is more concentrated, and the painting effect is better. Attached Figure Description

[0009] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0010] Figure 1 This is a schematic diagram of the installation structure of this utility model; Figure 2 yes Figure 1 Schematic diagram of the structure of the intermediate spray cup 23; Figure 3 yes Figure 1 Schematic diagram of the structure of the intermediate spray cup 23; Figure 4 yes Figure 3 Schematic diagram of the full cross-section of the structure along the AA direction; Figure 5 This is a schematic diagram of the three-dimensional structure of spray cup 23.

[0011] The markings in the attached diagram are described as follows: 10, main body; 11, diffuser cone; 12, convergence and compression ring; 13, rotary polishing seam; 14, mounting and locking part; 15, sealing ring; 22, rotary cup spray gun; 23, spray cup. Detailed Implementation

[0012] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention. The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings: like Figure 1-5 As shown, the present invention provides a rotary sprayer for coating, comprising: The rotary cup spray gun 22 and the spray cup 23 are detachably connected to the rotary cup spray gun 22. Specifically, the rotary cup spray gun 22 is equipped with a motor to drive the spray cup 23 to rotate (generally more than 10,000 revolutions per minute, referring to the prior art). The spray cup 23 includes a main body 10, a mounting and locking part 14, and a diffusion cone 11. The mounting and locking part 14 and the diffusion cone 11 are located at the front and rear ends of the main body 10, respectively. The main body 10, the mounting and locking part 14, and the diffusion cone 11 are integrally formed. The mounting and locking part 14 is coaxially and detachably connected to the motor spindle inside the rotary cup spray gun 22. The diffusion cone 11 is flared outward to diffuse the paint sprayed by the rotary cup spray gun 22 circumferentially. It also uses rotation to throw the paint away due to inertia, increasing the circumferential diffusion radius. Furthermore, a converging compression ring 12 is fixedly provided at the nozzle end of the diffusion cone 11. The converging compression ring 12 is provided with a through structure at an annular interval. The paint is diffused circumferentially through the diffusion cone 11 and sprayed outward along the nozzle axis of the spray cup 23. It is thrown out by the inertial force of high-speed rotation at the converging compression ring 12. The through structure on the converging compression ring 12 atomizes the paint.

[0013] Preferably, the outer edge of the inclined surface of the diffusion cone 11 is tangent to the inner arc surface of the gathering compression ring 12, so that the paint smoothly transitions to the inner wall of the gathering compression ring 12 after leaving the outer wall of the diffusion cone 11, thereby improving the smoothness of the paint spraying.

[0014] Preferably, the outer wall of the mounting locking part 14 is provided with an annular groove, and a sealing ring 15 is fitted in the annular groove. After the sealing ring 15 is installed in the rotary cup spray gun 22, it seals against the inner wall of the rotary cup spray gun 22 to prevent the paint from entering the motor mounting position in the opposite direction and interfering with the motor.

[0015] Preferably, the tail end of the mounting locking part 14 is provided with a screw hole, and a threaded connector is fixed to the motor spindle for connection with the screw hole.

[0016] It should be emphasized that the embodiments described in this utility model are illustrative rather than limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementation methods derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.

Claims

1. A rotary sprayer for painting, comprising: A rotary cup spray gun (22) and a spray cup (23), wherein the spray cup (23) is detachably connected to the rotary cup spray gun (22), and the rotary cup spray gun (22) is equipped with a motor to drive the spray cup (23) to rotate; characterized in that: The spray cup (23) includes a main body (10), a mounting and locking part (14), and a diffusion cone (11). The mounting and locking part (14) and the diffusion cone (11) are located at the front and rear ends of the main body (10), respectively. The main body (10), the mounting and locking part (14), and the diffusion cone (11) are integrally formed. The mounting and locking part (14) is coaxially and detachably connected to the motor spindle inside the rotary cup spray gun (22). The diffusion cone (11) is flared outward to diffuse the paint sprayed by the rotary cup spray gun (22) circumferentially. A gathering and compression ring (12) is fixedly provided at the nozzle end of the diffusion cone (11). A through structure is provided at annular intervals on the gathering and compression ring (12).

2. The coated rotary spray gun for painting according to claim 1, characterized in that The outer edge of the inclined surface of the diffusion cone (11) is tangent to the inner arc wall of the gathering compression ring (12).

3. The coated rotary spray gun for painting according to claim 1, characterized in that The outer wall of the mounting locking part (14) is provided with an annular groove, and a sealing ring (15) is fitted in the annular groove. After the sealing ring (15) is installed into the rotary cup spray gun (22), it seals against the inner wall of the rotary cup spray gun (22).

4. The coated rotary spray gun for painting according to claim 1, characterized in that The tail end of the mounting locking part (14) is provided with a screw hole, and a threaded connector is fixed to the motor spindle for connection with the screw hole.

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