JPS59194839A - Coating device for small-sized part - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a surface 1 of a small article such as a rubber backing.
c Fully automatic and quick large quantity of coating materials, especially the total quantity is approximately uniform.
The present invention relates to a coating device for small parts, which is coated on small parts.

Conventionally, various techniques have been employed for spray coating the surfaces of small parts, and recently, a spray coating apparatus has been developed as the above-mentioned coating apparatus, as disclosed in Japanese Patent Publication No. 18063/1983.

As shown in the first diagram, such a spray coating device distributes the coating material to the inside of the outer drum B and the double-structure rotating drum 82, and opens an opening C in the front of the rotating drum B. At the same time, insert an air spray gun D into the opening C.
and hot air injection duct) Ek, and a ventilation duct F? is installed in a part of the outer drum. It has a structure in which the material to be coated from the air spray gun D is sprayed with hot air from the hot air jet duct) E, and the material to be coated in the rotating drum D is sprayed and dried at the same time. From the 4th side of the material to be coated, the coating material is further applied to the painted surface If (the coating material becomes unbalanced due to the bonding layer, even if the basket B' is rotated, the hot air flows into the ventilation duct) As the hot air is being sucked upward, coating is carried out only on basket B', that is, on the four surfaces of the material to be coated, where the hot air is affecting.
The other side had the drawback of not being coated at all.

However, it must be said that discharging a large amount of gas and hot air generated inside the aircraft to the outside through the ventilation duct F not only causes pollution but is also extremely dangerous. In view of the above, the present invention aims to provide an energy-saving coating device that makes effective use of hot air that can be emitted in large quantities, coats a large amount of material almost uniformly over the entire surface, and is capable of forming an extremely compact overall shape. Is there a gap inside the fixed drum (1)? Separated basket (5) 1 = Loaded so that it can be rotated and taken in and out, connected in conjunction with the rotating shaft (8), and a hot air generator ('12) is installed on a part of the side of the fixed drum (1).
It is characterized by having an opening in the gap (Tl) that connects the Ic (Tl).

Hereinafter, embodiments of the present invention will be explained in detail with reference to illustrative drawings. (1) A fixed drum fixed to a machine base (2) is provided with an opening (2) on one side and an opening/closing door (4) is attached. . (6) is a basket which is rotatably disposed inside the fixed drum 0) with a slight gap (6) therebetween, and is provided at the bottom of one side;
The 2-in interlocking shaft (7) is removably spline-fitted to the 191 rotating shaft (←), and the power from the rotating female button is transmitted.

The basket (5) may be a mesh basket or a metal drum with many small holes slightly smaller in diameter than the particle size of the material to be coated. A heater may be installed in some parts.

Also, a part of the front part of the fixed drum (1) or an opening/closing door (4)
Either open a mounting hole for the K coating material injection pipe (10) and open its tip into the basket (6), or insert the coating material injection pipe (10) into the rotating shaft (8) as shown in the second figure. It has a penetrating structure.

The hot air duct (Tl) has one end connected to the gap (6) in the fixed drum (1) on the side of the fixed drum (1), and the other end connected to the hot air generator (2). do.

The present invention has a structure on a plate, and first, a predetermined amount of the material to be coated IL is put into the basket (1), and this is put into the fixed drum (1), and the interlocking shaft ( 7) Fit and support the rotating shaft @) VC and gradually drive the rotation.

In addition, at the same time as the rotation of the basket (6), the hot air from the hot air generator (2) is blown into the fixed drum (1) through the hot air duct (11th floor). (6), and this further enters the basket (6), and at the same time as the above operation, it is mixed with the coating material that can be blown out from the coating material injection nozzle (0) and the basket (6).
6) It is possible to coat the paint almost evenly over the entire amount of the material to be coated, while producing a strong eddy current sound. A strong vortex flow is generated in the hot air duct (gas purification device (not shown) is reduced to LIC using TI rights - as described above, the present invention is provided with a rotating operation for hot air, and the rotating hot air is put into a basket together with the coating material). Since it is rotated and the material to be coated is rotated up and down, the coating material is distributed and penetrated to the uncoated material aK in a short period of time, regardless of the shape and amount of particles. In particular, in the present invention, the hot air sound is not immediately emitted outside as in the conventional case, but is circulated within the vessel, so the energy required for the heat source is reduced. (5) '! It also has various advantages, such as being able to apply various coatings just by replacing it, and there is no fear of danger.

[Brief explanation of drawings]

Figure 1 shows the internal mechanism of a conventional coating device for small parts. Fig. 2 is a vertical sectional side view showing the internal mechanism of the coating device for small parts according to the present invention. Explanation of symbols (1) Fixed drum, (2) Machine base, (3) opening, (4)
Opening/closing door, (in) Vasquera), (6) Gap, (7)
Interlocking shaft, (8) rotation shaft, (9) spline shaft, (10)
Coating material press-fit pipe, (11) Air leakage duct, (12) Hot air generator Conventional...Mu outside drum 7 drum, 8 rotation drum, ch mouth part, D air spray gun, Ei @ wind injection duct, F ventilation duct patent applicant

Claims (1)

[Claims] Basket @ with a gap) inside the fixed drum
) A hot air duct (TI) k which is rotatably inserted into and taken out and connected to the rotary shaft 13) and connected to the VC hot air generator (12) at a side part of the fixed drum (1). A coating device for small parts in which the opening is arranged in the direction of the gap with a margin of 1%.