JP3239519U - Rust prevention device - Google Patents

Abstract

An object of the present invention is to provide a rust preventive device capable of applying a rust preventive treatment to a long object to be rust prevented. A rust preventive device (1) includes a carry-in conveyor (10) capable of moving a long object (100) to be rust-proofed from an upstream side to a downstream side; a rust preventive oil spray booth 30 for spraying rust preventive oil onto the surface including the back surface of the object to be rust-proofed 100; there is The rust preventive oil spray booth 30 is provided with a plurality of spray booths 30 provided at different positions in order to uniformly apply the rust preventive oil supplied from the rust preventive oil supply device 40 to the entire surface of the object 100 to be rust-prevented. An anticorrosive oil application roller 12a having a spray nozzle 31 and included in the carry-in conveyor 10 in the anticorrosive oil spray booth 30 is wound with an oil absorbing material impregnated with anticorrosive oil. [Selection diagram] Fig. 1

Description

The present application relates to a rust preventive device that sprays rust preventive oil onto an object to be rust prevented.

Patent Literature 1 describes a rust preventive device consisting of a carry-in conveyor for carrying in an object to be rust-proofed, a carry-out conveyor for carrying out the rust-proof object, and rust-preventing oil tanks having respective conveyors in front and behind the respective conveyors. ing. In the rust-preventing oil tank, a belt conveyor with a curved running surface is arranged so that even a small amount of the rust-preventing oil can immerse the object to be rust-prevented during transportation, and the tank wall is shaped like a mortar. On both sides of the belt conveyor, a shower device for spraying rust-preventive oil onto an object to be rust-prevented is arranged.

Japanese Utility Model Laid-Open No. 63-42634

However, in the rust preventive device described in Patent Document 1, the belt conveyor formed on the curved running surface cannot be used to move the long object to be rust-proofed. Anti-rust treatment cannot be applied to objects.

An object of the present application is to provide a rust preventive device capable of applying a rust preventive treatment to a long object to be rust prevented.

In order to achieve the above object, the rust preventive device of the present application includes a roller conveyor capable of moving a long object to be rust-prevented from upstream to downstream; a rust preventive oil spray booth for spraying rust preventive oil on the surface including the back surface of the object to be rust-proofed; and a rust preventive oil supply device for supplying the rust preventive oil to the rust preventive oil spray booth. The booth has a plurality of spray nozzles provided at different positions in order to uniformly apply the rust preventive oil supplied from the rust preventive oil supply device to the entire surface of the object to be rust-proofed. At least some of the rollers included in the roller conveyor in the spray booth are wrapped with an oil-absorbing material impregnated with rust preventive oil.

In the rust preventive device of the present application, a long object to be rust-prevented is carried into the rust-preventive oil spray booth by a roller conveyor, and rust-preventive oil is sprayed on the surface including the back surface of the object to be rust-proofed. , it becomes possible to apply antirust treatment to a long object to be rustproofed. Since the plurality of spray nozzles are provided at different positions in the rust-preventive oil spray booth, the rust-preventive oil can be uniformly applied to the entire surface of the object to be rust-proofed. Furthermore, the back surface of the object to be rust-prevented coated with rust-preventive oil passes over at least a part of rollers wound with an oil-absorbing material impregnated with rust-preventive oil, thereby suppressing uneven coating. becomes possible.

In addition, a plurality of spray nozzles are installed above the left end and above the right end of the roller conveyor in the antirust oil spray booth in order to coat the entire upper surface and left and right side surfaces of the object to be rust-proofed moving from the upstream side to the downstream side. and a spray nozzle provided below the roller conveyor in the antirust oil spray booth for applying the entire back surface of the object to be rust-proofed.

As a result, the rust preventive oil can be evenly applied to the entire surface of the object to be rust prevented.

Further, the rust preventive oil supply device has an air supply device and a rust preventive oil supply pressure feed tank, and the air supply device supplies air to the rust preventive oil supply pressure feed tank and the plurality of spray nozzles, The rust oil supply pressure feed tank supplies the rust preventive oil to the plurality of spray nozzles by pressurizing the air supplied from the air supply device, and the plurality of spray nozzles pressurize the air supplied from the air supply device. to spray the rust preventive oil supplied from the rust preventive oil supply pumping tank.

This makes it possible to reliably spray the rust preventive oil from the plurality of spray nozzles.

In addition, the air supply device has an air reservoir tank that inputs air supplied to the factory and outputs air at a constant pressure. It is characterized in that the air output from the tank is supplied.

As a result, for example, even when the air supplied to the factory contains pulsation due to the use of it in a plurality of devices, the air reservoir tank suppresses the pulsation, and the antirust oil supply pressure feed tank and the antirust oil supply tank suppress the pulsation. Since air of a constant pressure can be supplied to a plurality of spray nozzles installed in the rust oil spray booth, the rust preventive oil can be sprayed without interruption from the plurality of spray nozzles.

In addition, the antirust oil supply pumping tank is characterized in that it is heated by a heater in order to keep the viscosity of the antirust oil constant.

As a result, the viscosity of the rust preventive oil in the rust preventive oil supply pumping tank is kept constant by the heater, so it is possible to spray the rust preventive oil from the multiple spray nozzles without unevenness or shortage. Become.

Moreover, it is characterized by further comprising an oil pan provided below the roller conveyor for preventing oil dripping and oil leakage.

As a result, the rust-preventive oil dripping from the rust-preventive material is accumulated in the oil pan, so that the rust-preventive oil applied to the material to be rust-prevented can be prevented from dripping or leaking from the roller conveyor.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the whole structure of the rust prevention apparatus which concerns on one Embodiment of this application. FIG. 2 is a plan view showing a partial configuration of the rust preventive device of FIG. 1;

Hereinafter, embodiments of the present application will be described in detail based on the drawings.

FIG. 1 shows the overall configuration of a rust preventive device 1 according to one embodiment of the present application. The rust preventive device 1 is mainly composed of a carry-in conveyor 10 , a carry-out conveyor 20 , a rust preventive oil spray booth 30 , and a rust preventive oil supply device 40 . When referring to directions in each figure, the direction of the arrow shown in each figure shall be used.

The carry-in conveyor 10 is a conveyor for carrying a long object 100 to be rust-proofed into the rust-preventive oil spray booth 30 . In this embodiment, a long object having an L-shaped cross section is exemplified as the object 100 to be rust-prevented. good. A running surface 11 on which the object 100 to be rust-proofed on the carry-in conveyor 10 moves is composed of a plurality of rollers 12 . The carry-in conveyor 10 is provided with an oil pan 13 for preventing oil dripping and oil leakage under the running surface 11, and is provided with a plurality of casters 14 so as to be movable.

The rust preventive oil spray booth 30 is provided downstream of the carry-in conveyor 10 and sprays the rust preventive oil onto the rust preventive object 100 moving in the rust preventive oil spray booth 30 . The anticorrosive oil spray booth 30 is made of a box-shaped housing covering a part of the front-rear direction of the carry-in conveyor 10 from the outside. The upper surface and left and right side surfaces of the housing are sealed by walls (not shown) so that the rust preventive oil sprayed in the rust preventive oil spray booth 30 does not leak out of the rust preventive oil spray booth 30. there is Both the front and rear sides of the housing are open so that the object 100 to be rust-prevented can be carried into the rust-preventive oil spray booth 30 and carried out of the rust-preventive oil spray booth 30 . Accordingly, spray oil blocking curtains 32 are hung on both front and rear sides of the housing so that the rust preventive oil sprayed in the rust preventive oil spray booth 30 does not leak out of the rust preventive oil spray booth 30. . The spray oil blocking curtain 32 is made of an oil-absorbing material in this embodiment. Although the front and rear sides of the housing are open in this embodiment, the present invention is not limited to this. . This is because it suffices that the front and rear side surfaces of the housing are provided with open areas that allow the object 100 to be rust-proofed to pass through the rust-preventive oil spray booth 30 . Even in this case, it is preferable to cover the open portion with a spray oil blocking curtain similar to the spray oil blocking curtain 32 .

The carry-out conveyor 20 is a conveyor for carrying out the rust preventive object 100 (hereinafter referred to as "rust preventive object 100") coated with the rust preventive oil in the rust preventive oil spray booth 30 from the rust preventive oil spray booth 30. . A running surface 21 on which the rust-preventive article 100 moves on the unloading conveyor 20 is composed of a plurality of rollers 22, like the loading conveyor 10. As shown in FIG. The carry-out conveyor 20 is also provided with an oil pan 23 and a plurality of casters 24 in the same manner as the carry-in conveyor 10 .

The antirust oil supply device 40 is mainly composed of an air reservoir tank 41 and a pressure feed tank 42 for supplying antirust oil.

The air reservoir tank 41 is supplied with air supplied to the factory (hereinafter abbreviated as "factory air") via an air hose (not shown). The air reservoir tank 41 suppresses the pulsation contained in the factory air, and the following equipment, specifically, the rust preventive oil supply pressure feed tank 42 and the plurality of spray nozzles 31 installed in the rust preventive oil spray booth 30 . Outputs constant pressure air.

The antirust oil supply pressure feed tank 42 stores the antirust oil, and supplies the antirust oil to the plurality of spray nozzles 31 according to the constant pressure air from the air reservoir tank 41 connected via the first air pipe 43 . do. The rust preventive oil supply pressure feed tank 42 and the spray nozzle 31 are connected via a rust preventive oil pipe 45 . For example, a silicon rubber heater 47 is wound around the waist of the antirust oil supply pressure feed tank 42 . The silicone rubber heater 47 warms the rust preventive oil supply pressure feed tank 42 to a predetermined temperature, thereby warming the rust preventive oil stored in the rust preventive oil supply pressure feed tank 42 to a predetermined temperature, and keeping the viscosity of the rust preventive oil constant. to hold. As a result, rust preventive oil having a constant viscosity is supplied from the rust preventive oil supply pumping tank 42 to the spray nozzle 31 , so that the rust preventive oil is smoothly sprayed from the spray nozzle 31 .

A plurality of (six in this embodiment) spray nozzles 31 are installed at different positions in the rust preventive oil spray booth 30 . In the present embodiment, the spray nozzles 31 are installed one by one on the left and right sides at a height of 35 cm from both ends of the running surface 11 of the carry-in conveyor 10, and one on the left and right sides at a height of 20 cm. are installed on the left and right sides of the However, FIG. 1 only shows a total of three spray nozzles 31, two installed on the left and right of the height of 35 cm and one installed on the lower right side. Each of the spray nozzles 31 is connected to the rust preventive oil supply pressure feeding tank 42 via the rust preventive oil pipe 45 and is connected to the air reservoir tank 41 via the second air pipe 44 . As a result, the antirust oil is sprayed from each spray nozzle 31 .

Further, as shown in FIG. 2, an oil-absorbing material impregnated with rust-preventive oil is wound around a plurality of (three in this embodiment) rollers 12a on the downstream side in the rust-preventive oil spray booth 30. . Hereinafter, this roller 12a will be referred to as an antirust oil application roller 12a. The antirust oil application roller 12a has a function of suppressing uneven application of the antirust oil applied to the back surface of the object 100 to be rust-prevented. The sprayed oil shielding curtain 32, particularly the downstream sprayed oil shielding curtain 32, has the function of suppressing uneven application of the rust preventive oil applied to the top surface and left and right side surfaces of the object 100 to be rust-prevented.

Hereinafter, the process of applying rust preventive oil to the object 100 to be rust-prevented using the rust preventive device 1 configured as described above will be described.

First, the operator 200 opens the air pressure valve (not shown) of the air reservoir tank 41 and the oil flow rate adjustment valve (not shown) of the rust preventive oil supply pressure feed tank 42, so that each spray nozzle 31 is sprayed with rust preventive oil. Spray with oil.

Next, the worker 200 places the long rust-proof object 100 on the running surface 11 of the carry-in conveyor 10 . Then, the worker 200 pushes the object 100 to be rust-inhibited to move it downstream and carries it into the anti-rust oil spray booth 30 . The anticorrosive oil sprayed in the antirust oil spray booth 30 is applied to the surface including the back surface of the object 100 to be rust-inhibited brought into the antirust oil spray booth 30 . Immediately before the object to be rust-prevented 100 to which the rust preventive oil has been applied, that is, the rust preventive object 100 is carried out from the rust preventive oil spray booth 30, the uneven coating of the rust preventive oil on the back surface is caused by the rust preventive oil application roller 12a. When it is carried out from the anticorrosive oil spray booth 30, uneven coating of the anticorrosive oil on the upper surface and both left and right sides is suppressed by the sprayed oil blocking curtain 32 on the downstream side.

The rust-preventive article 100 carried out from the rust-preventive oil spray booth 30 moves downstream on the running surface 21 of the carry-out conveyor 20 by being pulled by the worker 210 on the downstream side. When the entire rust-preventive object 100 is pulled out of the rust-preventive oil spray booth 30, the rust-preventive treatment for the object 100 to be rust-inhibited is completed.

As described above, the rust preventive device 1 of the present embodiment includes the carrying-in conveyor 10 capable of moving the long object 100 to be rust-proofed from the upstream side to the downstream side, and the carrying-in conveyor 10 provided in the middle of the carrying-in conveyor. A rust preventive oil spray booth 30 for spraying rust preventive oil onto the surface including the back surface of the object 100 to be rust-proofed moving on the conveyor 10, and a rust preventive oil supply device for supplying the rust preventive oil to the rust preventive oil spray booth 30. 40 and . The rust preventive oil spray booth 30 is provided with a plurality of spray booths 30 provided at different positions in order to uniformly apply the rust preventive oil supplied from the rust preventive oil supply device 40 to the entire surface of the object 100 to be rust-prevented. An anticorrosive oil application roller 12a having a spray nozzle 31 and included in the carry-in conveyor 10 in the anticorrosive oil spray booth 30 is wound with an oil absorbing material impregnated with anticorrosive oil.

As described above, in the rust preventive device 1 of the present embodiment, the long object 100 to be rust-prevented is carried into the rust-preventive oil spray booth 30 by the carry-in conveyor 10, and the surface including the back surface of the object 100 to be rust-prevented is sprayed. Since the anticorrosive oil is sprayed, it is possible to perform the anticorrosive treatment on the long object to be anticorrosive. Since the plurality of spray nozzles 31 are provided at different positions in the antirust oil spray booth 30, the antirust oil can be uniformly applied to the entire surface of the object 100 to be rust-proofed. Further, the back surface of the object 100 to be rust-prevented, to which the rust-preventive oil is applied, passes over the rust-preventive oil application roller 12a, so that uneven coating can be suppressed.

Incidentally, in this embodiment, the carry-in conveyor 10 is an example of a "roller conveyor". The antirust oil application roller 12a is an example of "at least a part of rollers".

In addition, the plurality of spray nozzles 31 are installed inside the rust preventive oil spray booth 30, above the left end of the carry-in conveyor 10, and in order to coat the entire upper surface and left and right side surfaces of the object 100 moving from the upstream side to the downstream side. It includes a spray nozzle provided at the upper right end, and a spray nozzle provided below the carry-in conveyor 10 in the rust preventive oil spray booth 30 for coating the entire back surface of the object 100 to be rust-proofed.

As a result, the rust-preventive oil can be more uniformly applied to the entire surface of the object 100 to be rust-proofed.

The rust preventive oil supply device 40 has an air supply device and a rust preventive oil supply pressure feed tank 42 , and the air supply device supplies air to the rust preventive oil supply pressure feed tank 42 and the plurality of spray nozzles 31 . The rust preventive oil supply pressure feeding tank 42 supplies the rust preventive oil to the plurality of spray nozzles 31 by pressurizing the air supplied from the air supply device, and the plurality of spray nozzles 31 are supplied from the air supply device. The rust preventive oil supplied from the rust preventive oil feed tank 42 is sprayed by pressurization of the supplied air.

This makes it possible to reliably spray the rust preventive oil from the plurality of spray nozzles 31 .

In addition, the air supply device has an air reservoir tank 41 that inputs the air supplied in the factory and outputs air at a constant pressure. , the air output from the air reservoir tank 41 is supplied.

As a result, for example, even when the factory air contains pulsation due to the use of the factory air in a plurality of devices, the air reservoir tank 41 suppresses the pulsation, and the rust preventive oil supply pumping tank 42 and the rust preventive oil spray booth Since air of a constant pressure can be supplied to the plurality of spray nozzles 31 installed inside 30, the rust preventive oil can be sprayed from the plurality of spray nozzles 31 without interruption.

In addition, the antirust oil supply pumping tank 42 is heated by a silicon rubber heater 47 to keep the viscosity of the antirust oil constant. Incidentally, the silicon rubber heater 47 is an example of a "heater".

As a result, the viscosity of the rust preventive oil in the rust preventive oil supply pumping tank 42 is kept constant by the silicon rubber heater 47, so that the rust preventive oil is sprayed from the plurality of spray nozzles 31 without unevenness or shortage. It becomes possible to

In addition, an oil pan 13 for preventing oil dripping and oil leakage is further provided below the carry-in conveyor 10 .

As a result, the rust preventive oil dripping from the rust preventive material 100 is accumulated in the oil pan 13, so that the rust preventive oil applied to the rust preventive material 100 can be prevented from dripping or leaking from the carry-in conveyor 10. It becomes possible.

It should be noted that the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention.

(1) In the above embodiment, the conveyer for moving the object 100 to be rust-proofed from the upstream side to the downstream side is composed of two conveyors, the loading conveyor 10 and the unloading conveyor 20. However, the present invention is not limited to this, and is composed of one conveyor. You may

(2) In the above embodiment, the workers 200 and 210 manually move the objects to be rust-proofed 100 placed on the running surfaces 11 and 21 of the carry-in conveyor 10 and carry-out conveyor 20, respectively. Alternatively, the rollers 12 and 22 of the carry-in conveyor 10 and the carry-out conveyor 20 may be driven by electric motors to move them electrically.

(3) In the above-described embodiment, it is not considered that the rust preventive device 1 can be moved freely by changing the installation location. Alternatively, the workers 200 and 210 may push the carriage to freely move the antirust device 1 to the target position.

(4) In the above embodiment, the rust preventive oil supply pressure feed tank 42 is warmed by the silicon rubber heater 47, but if the rust preventive oil stored in the rust preventive oil supply pressure feed tank 42 can be heated to a constant temperature, Any device other than the silicon rubber heater 47 may be employed.

(5) In the above embodiment, the six spray nozzles 31 are installed at different positions in the antirust oil spray booth 30. , the number of which may be more or less than six. However, in order to coat the top surface, left and right side surfaces, and back surface of the object 100 to be rust-prevented, the spray nozzles 31 are installed at least two locations above and below the running surface 11 in the rust-preventive oil spray booth 30. There is a need.

(6) In the above embodiment, there is no mention of reusing the rust preventive oil that drips from the rust preventive material 100 and accumulates in the oil pans 13, 23. may be reused. For example, the bottom surfaces of the oil pans 13 and 23 are configured to be inclined downward from the upstream side to the downstream side, and a hole (not shown) is formed at the downstream end portion. Then, a rust-preventive oil collection container (for example, a bucket) in which filter paper is set is installed below the hole. As a result, the rust preventive oil dripping from the rust preventive material 100 reaches the holes along the bottom surfaces of the oil pans 13 and 23 and falls from the holes onto the filter paper. Accumulate in a collection container. The rust-preventive oil collected in the rust-preventive oil recovery container is put into the rust-preventive oil supply pumping tank 42 manually, for example. In this way, the anticorrosive oil dripping from the antirust material 100 can be reused.

DESCRIPTION OF SYMBOLS 1... Rust preventive apparatus 10... Carry-in conveyor 11, 21... Running surface 12, 22... Roller 12a... Rust preventive oil application roller 13, 23... Oil pan, 20... Carry-out conveyor, 30... Rust preventive oil spray Booth 31 Spray nozzle 32 Spray oil blocking curtain 40 Rust preventive oil supply device 41 Air reservoir tank 42 Rust preventive oil supply pumping tank 43 First air pipe 44 Second air pipe , 45... Antirust oil piping, 100... Object to be rust-prevented, 200, 210... Worker.

Claims (6)

a roller conveyor capable of moving a long object to be rust-proofed from the upstream side to the downstream side;
a rust-preventive oil spray booth provided in the middle of the roller conveyor for spraying rust-preventive oil onto a surface including a back surface of the object to be rust-inhibited while moving on the roller conveyor;
a rust preventive oil supply device for supplying the rust preventive oil to the rust preventive oil spray booth;
with
The antirust oil spray booth is
a plurality of spray nozzles provided at different positions for uniformly applying the rust-preventive oil supplied from the rust-preventive oil supply device to the entire surface of the object to be rust-prevented;
At least some of the rollers included in the roller conveyor in the antirust oil spray booth are wound with an oil-absorbing material impregnated with the antirust oil.
A rust preventive device characterized by: The plurality of spray nozzles are installed in the antirust oil spray booth above the left end of the roller conveyor and in order to coat the entire upper surface and left and right side surfaces of the object to be rust-inhibited moving from the upstream side to the downstream side. A spray nozzle provided at the upper right end, and a spray nozzle provided below the roller conveyor in the rust preventive oil spray booth for applying the entire back surface of the object to be rust-proofed,
The rust preventive device according to claim 1, characterized by: The antirust oil supply device is
an air supply device;
a rust preventive oil supply pumping tank;
has
The air supply device supplies air to the antirust oil supply pressure feed tank and the plurality of spray nozzles,
The rust preventive oil supply pressure feeding tank supplies the rust preventive oil to the plurality of spray nozzles by pressurization of the air supplied from the air supply device,
The plurality of spray nozzles spray the rust preventive oil supplied from the rust preventive oil supply pressure feed tank by pressurization of the air supplied from the air supply device.
The rust preventive device according to claim 1, characterized by: The air supply device has an air reservoir tank that inputs air supplied to the factory and outputs air at a constant pressure,
Air output from the air reservoir tank is supplied to the antirust oil supply pressure feed tank and the plurality of spray nozzles,
The rust preventive device according to claim 3, characterized in that: 4. The rust preventive device according to claim 3, wherein said rust preventive oil supply pumping tank is heated by a heater in order to keep the viscosity of said rust preventive oil constant. The rust preventive device according to any one of claims 1 to 5, further comprising an oil pan provided below the roller conveyor for preventing oil dripping and oil leakage.

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