JPH0454835Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention is a coating film that is formed on the inconvenient parts of the hanger (painting rack) on which the product is suspended when electrostatic spray painting is applied to the surface of the metal product. This invention relates to a peeling tool.

<Conventional technology> In the past, especially when electrostatically painting, the adhesion strength of the coating film was determined by the conductivity of the coating rack, and while high voltage was applied to the product through the rack, the product was not charged. The characteristic of electrostatic painting is that it sprays the paint toward the product to create a coating with even higher adhesion strength, so if the rack is not sufficiently energized, the electrostatic bonding will increase. It becomes insufficient.

However, as the same rack is used repeatedly, paint adheres to the part of the rack that holds the product, which significantly impairs the installation of the product and the electrical conductivity. The film must be removed, and for this purpose, up until now, each rack has been visually inspected, but if adhesion is confirmed, it can be removed with a small blade, or hand tools such as nippers or pliers can be used to remove the film. Measures were taken to remove them each time.

<Problems that the invention aims to solve> However, such temporary measures cannot quickly and reliably remove the particles, and the workability is extremely poor, which has become the biggest problem in painting work. .

Therefore, the present invention addresses these conventional drawbacks and provides a coating film stripping tool that can be easily used by anyone.

<Means for Solving the Problems> The device consists of an air motor, a cylinder and piston driven by the air motor, and a pair of peeling rods that are opened and closed by the piston.

<Function> The air motor is rotated by the compressed air taken into the air motor section, and the piston inserted into the cylinder is pushed and rotated using the excess pressure of the compressed air that drove the air motor. Then, in response to the pushing action by the piston, the tip of the peeling rod is engaged with the core material of the rack,
In this state, the peeling rod is rotated at a constant speed to completely peel off the coating film.

<Example> Hereinafter, the present invention will be explained in detail with reference to the embodiment shown in the drawings.The present invention consists of a rotating mechanism part A, a pushing mechanism part B, and a peeling tool C. A rotor 8 of an air motor is pivotally mounted in a housing 2 forming the outer shell of part A by means of several bearings 9, 10 and 11.
By fitting and fixing the valve seat body 6 in the middle of the passage leading from the nipple 1 fitted to one end of the housing 2 to the side chamber 3 of the rotor 8, and inserting the valve body 5 into the valve seat body 6, the passage is closed. is divided into a primary side and a secondary side, the spring 4 is pressed against the valve body 5 so that the passage is always closed, and the outer end of the valve body 5 is placed outside the housing. By bringing it into contact with a pivotably mounted lever 7 and pressing the lever 7, the valve body 5 is pushed against the spring 4 to open the opening passage.

Next, the rotor 8 is connected to the base 18 of the cylinder 21 via a coupling ring 14 and a hollow relay shaft 13 supported by a bearing 12 on the extension of the axis of the rotor 8 (leftward in FIG. 1). 21
The base 18 of the housing 1 constitutes the outer shell of the pushing mechanism section B that is fitted and connected to the end of the housing 2.
The cylinder 21 is rotatably rotatably mounted in the housing 16 via a thrust bearing 17, and the cylinder 21 is fixed inside the housing 16 from the end via a needle bearing 23 which is restrained and fixed with a retaining nut 23'. It is configured to be held by the base 18 and rotate together with the base 18.

In the cylinder 21, a piston 2 is formed with an inclined recess 24 that expands and slopes toward the end.
2 is hermetically fitted inside the cylinder 21, and a spring 25 is interposed between the stepped portion of the end of the cylinder 21 and the outer periphery of the piston to constantly press the piston inward.

Between the opposing support pieces 26 protruding from the end of the cylinder 21, the intersection parts of two symmetrical peeling rods 27 and 28 forming the peeling tool C are pivoted to freely open and close, so that they rotate together with the cylinder 21. and insert the inner ends of the peeling rods 27 and 28 into the inclined recess 2 of the piston 22.
4, and has peeling claws 30, 32 facing each other at the outer ends 27 ₁ , 28 ₁ of the peeling rods 27 , 28 .
9 and 31 are attached and detached freely, and both peeling rods 2
7 and 28 are equipped with adjustment screws 33 so that the distance between the peeling claws 30 and 32 facing each other can be changed, and furthermore, a spring is inserted between the peeling rods 27 and 28 so that they can be opened at all times. .

Below, we will describe a series of operations of these configurations. After the coating film stripping tool of the present invention is connected to a compressor (not shown) via piping (hose) at the nipple 1, the stripping tool attached to the end of the stripping tool is Insert the part of the paint rack from which the paint film is to be removed between the peeling claws 30 and 32 of the tips 29 and 31, and then squeeze the lever 7 on the tool so that the valve body 5 resists the spring 4. A passage is opened from the nipple 1 to the side chamber 3, which is separated from the valve seat body 6, and compressed air is injected from the side chamber 3 toward the rotor 8, causing the rotor 8 to rotate at high speed. The rotation of the rotor 8 is transmitted to the base 18 of the cylinder 21 via the relay shaft 13 connected to the shaft end and the coupling 14, and the cylinder 21 supported by the needle bearing 23 is rotated at a constant speed.

On the other hand, the compressed air that has driven the rotor 8 is further collected at the center or peripheral side of the rotor 8, and then flows through the center of the relay shaft 13 and the communication hole 15 of the coupling ring 14 to the cylinder base 18. The piston 22 is guided into the airtight chamber 20 through the hole 19, and the extra pressure pushes the piston 22 to the left in FIG. 1 against the spring 25.

As the piston 22 moves, both peeling rods 27 and 28, which were inscribed in the mouth edge of the inclined recess 24, are removed.
The inner ends 27 ₂ and 28 ₂ are pressed toward each other by the slope force. Therefore, the peeling rod 2
While rotating the peeling claws 30 and 32 at the outer ends of 7 and 28, the ends of the coating rack 35 are held between them. and,
Next, by moving the stripping tool toward the end of the rack 35, the paint film 34 that has inadvertently adhered to the end of the rack 35 is completely peeled off and removed.

In this way, the paint film stripping tool of the present invention utilizes compressed air pressure taken in from the nipple to remove the stripping rod 2.
7 and 28 are rotated while holding the product holding portion of the coating rack, and the coating film adhering to the rack is removed at once.

<Effects of the invention> As mentioned above, the present invention consists of a rotating mechanism section, a pushing mechanism section, and a peeling tool, and the peeling tool is opened and closed while being rotated. It is simple and can be used by any number of people, as it does not require the time required to use cutting tools such as or nippers.

In addition, you can work with peace of mind without getting your fingers caught or getting cut by a knife, unlike in the past.

Since the stripping tool rotates, no paint film is left behind, so electrical reliability can be maintained sufficiently.

In addition, it is a highly practical device that has many excellent effects, such as easy handling and easy replacement of the peeling tip according to the diameter of the core material constituting the rack.

[Brief explanation of the drawing]

Fig. 1 is a vertical cross-sectional view of the essential parts of the stripping tool of the present invention, Fig. 2 is a top and bottom view of the same, Fig. 3 is a left side view of Fig. 1, and Fig. 4 is a view of the tip of the coating rack. FIG. 3 is a side view showing the situation. 8...Rotor, 21...Cylinder, 22...
... Piston, 24... Inclined recess, 27, 28...
Peeling rod, 29, 31... Peeling tip.

Claims (1)

[Scope of utility model registration request] An air motor unit that receives compressed air and rotates, an air cylinder that is connected to the output shaft of the air motor unit and held so as to rotate together, and an air cylinder that contains compressed air that drives the air motor unit. A piston is configured to move against the elasticity of an inner spring due to excess pressure, and the piston is pivotally mounted on the outer end of the air cylinder, and the inner end is in contact with the inclined surface of the piston, and the piston is moved by the movement of the piston. It consists of a pair of crossed peeling rods that are opened and closed, and the peeling rods are rotated and opened and closed by rotating the air cylinder by driving an air motor and pushing a piston in the direction of the peeling rods. An easy-to-paint paint film removal tool featuring: