JPH0367614B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cooling device for sheet materials,
More specifically, the present invention relates to a device for applying an anti-adhesion agent to the front and back surfaces of a sheet-like rubber material sent from a molding process and cooling it before sending it to a drying device.

[Prior art]

Conventionally, as a means of applying an anti-adhesion agent such as talc to the front and back surfaces of a sheet-shaped rubber material and cooling it, for example, the sheet-shaped rubber material (hereinafter referred to as "sheet material") sent from the molding process is sent to a drying device. In this case, a method is known in which a sheet-shaped rubber material is first immersed in an anti-adhesion agent in an anti-adhesion agent tank while being sandwiched between a net-like sandwich conveyor, and then the sheet material is supplied to a drying zone.

The anti-adhesion agent applied to the front and back surfaces of the above-mentioned sheet-like rubber material is generally used to prevent the contact surfaces of the rubber sheets from coming into close contact with each other when folding an unvulcanized rubber sheet. It consists of water, talc, and anti-fouling liquid.

The conventional methods described above have problems in that the structure is complicated, the life of the net conveyor is short, troubles such as rubber clogging occur, and maintenance is difficult and maintenance costs are high.

As another method, a method is known in which an anti-adhesion agent is sprayed on the front and back surfaces of the sheet material in the form of a mist.

However, in the case of such a spray method, the anti-adhesive agent is not evenly applied to the front and back surfaces of the sheet material, and the environment is degraded by scattering of the anti-adhesive agent. Since a spray nozzle with a small diameter spout is installed in the branch pipe, there is a problem that the nozzle of the spray nozzle gets clogged with the anti-adhesion agent. Therefore, this spray method also poses a problem in terms of quality and maintenance of the sheet material. However, this was not necessarily the best method.

[Purpose of the invention]

This invention was devised by focusing on the conventional problems, and its purpose is to make it possible to uniformly apply an anti-adhesion agent to the front and back surfaces of the sheet material sent from the molding process. Along with
The present invention provides a sheet material cooling device that can effectively prevent clogging of the injection nozzle provided in the anti-adhesion agent circulation pipe, improve the working environment, and significantly improve maintainability and productivity. .

[Structure of the invention]

In order to achieve the above object, this invention applies an anti-adhesion agent to the front and back surfaces of the sheet material in the middle of the conveyor that connects the sheet material forming process and the drying device, and also applies a cooling agent to cool the sheet material. An anti-adherence agent circulation pipe is provided above and below the conveyor to connect the cooling device to a liquid tank provided at a lower portion of the conveyor, and in the middle of the anti-adhesion agent circulation pipe, A cleaning water line is connected via a switching valve, and anti-adhesion agent injection nozzles are formed at multiple locations on the anti-adhesion agent circulation pipe, and each injection area of the anti-adhesion agent injection nozzle on the conveyor is injected into the sheet material. The gist of the present invention is that a guide member having a semi-circular arc shape and a serrated lower end is provided along the entire width of the conveyor in order to uniformly apply the anti-adhesion agent.

[Embodiments of the invention]

Embodiments of the present invention will be described below based on the accompanying drawings.

1 and 2 show a front view and a plan view of a cooling device 1 embodying the present invention, and this cooling device 1 includes a molding process 2 of a sheet material W (sheet rubber material) and a drying device 3. It is disposed in the middle of the connecting conveyor 4 (net conveyor).

In the cooling device 1, an anti-adhesion agent injection chamber 6 through which the conveyor 4 is inserted is installed in front of the rack conveyor 5 of the drying device 3. The section includes a plurality of spray nozzles that uniformly apply the anti-adhesion agent Q to the front and back surfaces of the sheet material W that is connected to the take-up conveyor 7 of the molding process 2 and transferred onto the transport conveyor 4. An anti-adhesion agent circulation pipe 9 provided with a pipe 8 is provided.

This anti-adhesion agent circulation pipe 9 is shown in Figs.
As shown in FIG.
A cleaning water line 12 is connected to a liquid tank 10 disposed at the bottom of the tank 10, and a cleaning water line 12 is connected to the middle of the anti-adhesion agent circulation pipe 9 via a switching valve 11.

The anti-adhesion agent injection nozzles 8 provided at a plurality of locations on the anti-adhesion agent circulation pipe 9 are shown in FIGS.
As shown in the figure, a large opening is formed directly in the anti-adhesion agent circulation pipe 9, and each injection area of the anti-adhesion agent injection nozzle 9 disposed on the upper part of the conveyor 4 has a sheet material W. Adhesion prevention agent Q
A guide member 13 is provided to uniformly apply the liquid.

As shown in FIGS. 5 and 9, this guide member 13 is formed in a semicircular arc shape, and its lower end 14 is serrated so that the anti-adhesion agent Q drips uniformly onto the surface side of the sheet material W. It is formed in the shape of

In addition, in the configuration diagram showing the piping line of the anti-adhesion agent circulation pipe 9 in FIG. 3, 15 is an underground pit that supplies the anti-adhesion agent Q to the liquid tank 10;
indicates the liquid preparation tank in which the worker prepares the anti-adhesion agent Q.

Next, the operation of the present invention having the above configuration will be explained.

First, the sheet material W connected to the take-up conveyor 7 of the molding process 2 and transferred onto the transport conveyor 4 is transported into the anti-adhesion agent injection chamber 6 of the cooling device 1 while the transport conveyor 4 is moving. An anti-adhesion agent Q is applied to the front and back surfaces.

That is, on the upper surface side of the sheet material W, the anti-adhesion agent Q injected from the injection nozzle 8 of the circulation pipe 9 is once injected into the guide member 13 disposed in each injection area of the anti-adhesion agent injection nozzle 9. The anti-adhesion agent Q flows downward along the guide member 13, and is applied to the upper surface of the sheet material W by dripping from the sawtoothed lower end 14 of the guide member 13. On the other hand, the lower surface side of the sheet material W is uniformly coated with the anti-adhesion agent Q that is constantly sprayed from the spray nozzle 8 of the circulation pipe 9.

In this way, while the sheet material W passes through the anti-adhesion agent injection chamber 6 of the cooling device 1, the anti-adhesion agent Q is applied to the front and back surfaces of the sheet material W, and then the sheet material W is transferred to the next drying device 3.
It is carried out to the side.

Further, the anti-adhesion agent Q that has not been applied to the front and back surfaces of the sheet material W accumulates in a liquid tank 10 installed at the bottom of the conveyor 4. Since the circulation pipe 9 is connected to the liquid tank 10, the anti-adhesion agent Q sprayed from the anti-adhesion agent circulation pipe 9 drops below the conveyor 4 and the anti-adhesion agent Q accumulated is sequentially circulated. It is something that will be done.

In addition, the liquid is sequentially supplied to the liquid tank 10 from an underground pit 15 and a liquid preparation tank 16 according to the amount of liquid.

Furthermore, once the work of applying the anti-adhesion agent Q to the front and back surfaces of the sheet material W as described above is completed, the anti-adhesion agent circulation pipe 9 can be switched and connected to the cleaning water line 12 via the valve 11 to improve the adhesion. Cleaning water always flows in the inhibitor circulation pipe 9, and it is possible to effectively prevent the spray nozzle 8 from being clogged with the adhesion inhibitor Q.

〔Effect of the invention〕

Since the present invention is configured as described above, it is possible to uniformly apply the anti-adhesion agent to the front and back surfaces of the sheet material sent from the molding process via the guide member, etc., and also to apply the anti-adhesion agent to the anti-adhesion agent circulation pipe. It effectively prevents clogging of the installed injection nozzle and improves the working environment.It is also inexpensive and has a simple structure, which improves maintainability.It also eliminates the problem of rubber clogging, increasing productivity. There is an effect that can be significantly improved.

[Brief explanation of drawings]

Figure 1 is a front view of a cooling device embodying the present invention, Figure 2 is a plan view of Figure 1, Figures 3 and 4 are explanatory diagrams showing the piping route of the anti-adhesion agent circulation pipe, and Figure 5. Figure 6 is an enlarged front view of the anti-adhesion agent circulating pipe, Figure 7 is a side view of Figure 6, and Figure 8 is the injection nozzle. FIG. 9 is an enlarged front view of the guide member. 1... Cooling device, 2... Molding process, 3... Drying device,
4...Conveyance conveyor, 8...Spray nozzle, 9...Adhesion prevention agent circulation pipe, 10...Liquid tank, 11...Switching valve, 12...Washing water line, 13...Guide member, 14...Lower end, W...Sheet material, Q ...Anti-adhesion agent.

Claims (1)

[Claims] 1. An anti-adhesion agent is applied to the front and back surfaces of the sheet material in the middle of the conveyor that connects the sheet material forming process and the drying device, and a cooling device is provided to cool the sheet material, and the cooling device is connected to the drying device. Anti-adhesion agent circulation pipes are installed at the top and bottom of the conveyor to connect to the liquid tank located at the bottom of the conveyor, and a cleaning water line is connected to the middle of this anti-adhesion agent circulation pipe via a switching valve. and forming anti-adhesion agent injection nozzles at a plurality of locations on the anti-adhesion agent circulation pipe, and uniformly applying the anti-adhesion agent to the sheet material in each injection area of the anti-adhesion agent injection nozzles on the conveyor. 1. A cooling device for sheet material, characterized in that a guide member having a semicircular arc shape and a serrated lower end is provided along the entire width of a conveyor.