JPH11208850A - Resin carrier device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the carrier quantity from changing even in carrying a material to an elevated place by providing a chain conveyer and a casing and by carrying a granule thermosetting resin forming material in the casing in such a state as pushing it forward along the inner wall of the casing by scrapers. SOLUTION: A resin carrier device is provided with a chain conveyer 10 having a plurality of scrapers 12... fixed thereto at prescribed intervals and a casing 14 surrounding the scrapers 12 and the chain conveyer 10. Granule thermosetting resin forming material A (forming material A hereafter) is put in the inside of the casing 14 so as to be carried. When the forming material A is carried, a chain conveyer 10 is rotated after putting the forming material inside the casing 14. Then the forming material A in the casing 14 is caught by the scrapers 12 fixed to the bottom side parts out of the ring of the chain conveyer 10 to be pushed forward by the scrapers 12 and carried in the inside of the casing 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transfer device for transferring a thermosetting resin molding material in the form of powder.

[0002]

2. Description of the Related Art Molded articles using thermosetting resin molding materials, such as phenol resin molding materials and melamine resin molding materials, are widely used for applications such as electrical insulation parts. These molding materials are obtained by blending, for example, a thermosetting resin such as a phenol resin with an inorganic filler such as glass fiber, an organic filler such as wood flour, and the like. In addition, this molding material is generally supplied in the form of a powder or a granule in order to be able to produce molded articles of various shapes.

[0003] As a method of transporting the powdery and granular molding material, for example, a method of transporting the material on a belt conveyor, a method of transporting the material by a screw feeder, and a method of transporting the piping by air by pressure with air. Is done in a way. However, when transporting by such a method, when transporting in a horizontal manner, almost constant-quantity transport is possible, but when transporting to a high position, the transport amount sometimes varies. For this reason, there is a demand for a resin transport device in which a variation in the transport amount hardly occurs.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a resin conveying device for conveying a powdery thermosetting resin molding material. Therefore, even when transporting to a higher position,
An object of the present invention is to provide a resin transport device in which a variation in a transport amount hardly occurs.

[0005]

According to a first aspect of the present invention, there is provided a resin conveying apparatus comprising: a chain conveyor having a plurality of scraping plates fixed at predetermined intervals; and a casing surrounding the scraping plates and the chain conveyor. The powdery thermosetting resin molding material in the casing is formed so as to be pushed and conveyed by a scraper along the inner wall of the casing.

According to a second aspect of the present invention, there is provided a resin transport device.
The resin transport device according to claim 1, wherein the casing is
The scraper and the entire chain conveyor are substantially sealed.

According to a third aspect of the present invention, there is provided a resin transport device.
The resin transport device according to claim 1 or 2, further comprising an air supply means for supplying a cooling gas into the casing.

According to a fourth aspect of the present invention, there is provided a resin transport device.
The resin transport device according to any one of claims 1 to 3, further comprising a hollow jacket around the casing, and a cooling medium supply means for supplying a cooling medium into the jacket. And

According to the present invention, when a powdery and particulate thermosetting resin molding material is to be conveyed and the chain conveyor is moved while the powdery and particulate thermosetting resin molding material is loaded inside the casing, the inside of the casing is removed. The molding material is caught on a scraping plate fixed to the chain conveyor, and is pushed forward by the scraping plate and transported inside the casing. In addition, it is possible to carry the sheet with less variation in the carry amount.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A resin conveying device according to the present invention will be described with reference to the drawings. FIGS. 1A and 1B are diagrams illustrating an embodiment of a resin conveying device according to the present invention, wherein FIG. 1A is a plan view of a main part cut away, and FIG. FIG. 2 is an exploded front view showing an embodiment of the resin transport device according to the present invention, and FIG. 3 is a view illustrating an embodiment of the resin transport device according to the present invention. It is the front view which showed and fractured.

As shown in FIGS. 1 to 3, a resin conveyor according to an embodiment of the present invention comprises a chain conveyor 10 having a plurality of scraping plates 12... Fixed at predetermined intervals. And a casing 14 that surrounds the chain conveyor 10. A resin transport device that feeds and transports a thermosetting resin molding material A (hereinafter simply referred to as molding material A) in the form of powder inside the casing 14. is there.

As shown in FIG. 3, at one end of the apparatus, there is provided an inlet 18 for introducing the molding material A, and at the other end, the conveyed molding material A is taken out. Outlet 19 is provided. In addition,
There is a height difference between the position of the inlet 18 and the outlet 19, and the outlet 19 is provided at a position higher than the inlet 18. The casing 14 near the inlet 18 and the outlet 19 is formed substantially horizontally (hereinafter, this portion is referred to as a casing horizontal portion 14a), and the casing between the outlet 19 and the inlet 18 is formed. 14
Is formed inclined (hereinafter, this portion is referred to as a casing inclined portion 14b).

Note that the chain conveyor 10 has an inlet 1
The chain conveyor 10 is provided in the shape of a ring passing through the vicinity of the motor 8 and the take-out port 19, and the chain conveyor 10 rotates when the gear 20 connected to the motor rotates. The lower part of the ring of the chain conveyor 10 is provided substantially along the inner wall of the casing 14, and the scraping plate 12 fixed to the lower part of the ring of the chain conveyor 10 also has a casing. 14 are provided at predetermined intervals substantially along the inner wall.

As shown in FIGS. 1 and 2, when the molding material A is to be conveyed, the molding material A is put into the casing 14 and the chain conveyor 10 is rotated. The molding material A is caught on a scraping plate 12 fixed to a lower part of the ring of the chain conveyor 10, pushed by the scraping plate 12 and conveyed inside the casing 14.
The gap between the scraping plate 12 fixed to the lower portion of the ring of the chain conveyor 10 and the inner wall of the casing 14 is set to be smaller than the size of the molding material A, and passes through the gap. As a result, the molding material A remaining without being conveyed is less likely to be generated. Therefore, even when the sheet is conveyed to a high position after passing through the casing inclined portion 14b, the conveyance amount is hardly varied.

The scraping plate 12 is connected to the chain conveyor 10.
The predetermined interval at which the molding material A
The distance may be appropriately adjusted according to the size, amount, etc., but it is preferable that the interval is short because variation in the transport amount is less likely to occur.

The casing 14 is composed of a scraping plate 1 fixed to a lower portion of the ring of the chain conveyor 10.
2 and the side of the scraping plate 12 fixed to the lower part of the ring of the chain conveyor 10,
If it is provided with a substantially U-shaped cross section, the molding material A can be conveyed. However, the entire ring of the chain conveyor 10 and the scraping plates 12.
It is preferable that the molding material A be formed so as to substantially seal the whole, since foreign matter hardly enters the molding material A during the conveyance.

When the casing 14 is formed so that the entire ring of the chain conveyor 10 and the entire scraping plate 12 are substantially sealed, supply of cooling gas into the casing 14 is performed. When the molding material A is conveyed while supplying a cooling gas into the casing 14 by providing a gas means, it is possible to prevent a temperature rise due to frictional heat generated when the molding material A is conveyed. In addition, the molding material A can be easily rolled on the inner wall of the casing 14 by preventing the viscosity of the molding material A from lowering. It is preferable. The cooling gas is not particularly limited as long as it is a gas having a temperature lower than the melting point of the molding material A, and examples thereof include air cooled by a cooler and gas obtained by evaporating liquid air.

Further, a hollow jacket 16 may be provided around the casing 14 and cooling medium supply means for supplying a cooling medium into the jacket 16 may be provided. Also in this case, when the molding material A is transported while supplying the cooling medium into the jacket 16, the molding material A
Since it is possible to prevent a temperature rise due to frictional heat generated when conveying the molding material A, it is possible to prevent the viscosity of the molding material A from decreasing and the molding material A easily rolls on the inner wall of the casing 14. It is preferable because the transfer that hardly occurs can be performed, and the property of the molding material A hardly deteriorates during the transfer. Examples of the cooling medium include water cooled by a cooler, an organic liquid cooled by a cooler, and a gas similar to the cooling gas.

As the molding material (powder-shaped thermosetting resin molding material) A, the thermosetting resin alone or a thermosetting resin composition obtained by mixing a filler or the like with the thermosetting resin is formed into a powdery or granular form. The molding material is not particularly limited as long as it is an uncured (B-stage) molding material that can be cured by heating. The thermosetting resin includes a phenol resin, a melamine resin, an epoxy resin, and the like. The filler includes an inorganic filler such as glass fiber, glass powder, mica, and talc, wood powder, and pulp powder. And other organic fillers.

The method of forming the particles is not particularly limited. For example, a method of kneading a thermosetting resin, a filler, and the like, and then pulverizing the kneaded material, and a method disclosed in Japanese Unexamined Patent Publication No. A method in which a thermosetting resin, a filler, and the like are charged into a resin container having a heating mechanism and rotating blades as described in -76708, and then granulated while mixing in a heated state. After a thermosetting resin or a filler is charged into a resin container having a rotating blade and a chopper as described in JP-A-8-309743, the charged material is heated and rotated. While stirring with a blade, a method of forming by granulating while cutting into an appropriate size with a chopper, and the like can be given.

In the above embodiment, the embodiment in which the molding material A is conveyed to a high position has been described. However, the conveyance is not limited to the high position, and the conveyance is performed to a horizontal portion. Or may be transported to a lower position. In these cases as well, it is possible to carry the paper with less variation in the carry amount.

[0022]

According to the resin conveying apparatus of the present invention, the molding material in the casing is pushed and conveyed along the inner wall of the casing by the scraping plate. Even when the sheet is conveyed, the sheet can be conveyed with less variation in the conveyance amount.

According to a second aspect of the present invention, there is provided a resin transporting device.
In addition to the above effects, foreign substances are less likely to be mixed into the molding material during the transportation.

According to the third and fourth aspects of the present invention, in addition to the above-described effects, the characteristics of the molding material are not easily deteriorated during the transportation.

[Brief description of the drawings]

FIG. 1 is a view for explaining an embodiment of a resin conveying device according to the present invention, wherein FIG.
(B) is a side view shown broken.

FIG. 2 is a fragmentary front view illustrating an embodiment of the resin conveying device according to the present invention, which is cut away.

FIG. 3 is a cutaway front view for explaining one embodiment of the resin conveying device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Chain conveyor 12 Scraper 14 Casing 14a Casing horizontal part 14b Casing inclined part 16 Jacket 18 Input port 19 Take-out port 20 Gear A Granular thermosetting resin molding material

Claims (4)

[Claims] A chain conveyor in which a plurality of scraping plates are fixed at predetermined intervals, and a casing surrounding the scraping plate and the chain conveyor. along,
A resin transport device characterized by being formed so as to be pushed forward by a scraper and transported. 2. The resin conveying device according to claim 1, wherein the casing is formed so as to substantially seal the entire scraping plate and the chain conveyor. 3. The resin conveying device according to claim 1, further comprising an air supply unit for supplying a cooling gas into the casing. 4. The apparatus according to claim 1, further comprising a hollow jacket around the casing and a cooling medium supply means for supplying a cooling medium into the jacket. The resin transport device as described in the above.