JPS6357402A - Bmc material storage device - Google Patents

Abstract

PURPOSE:To aim at preventing any homogenous deterioration at the time of BMC storage from occurring, by installing a delivery inlet, having a closable door, in a circumferential surface of the outer cylinder closed of its top surface, while installing a rotary table having a stack so as to close a bottom opening of the outer cylinder, and carrying out BMC on the rack with rotation of the table. CONSTITUTION:An outer cylinder 11 is closed of its top surface, while there are provided with a carry-in port in the circumferential surface and a carry-out port 27 at the opposite side, respectively, and each of closable door is installed there. A rotary table 15 is installed in a bottom opening of the outer cylinder 11 so as to close the opening, and an inner cylinder 20 is concentrically erected there. Plural racks 21 are radially supported on the inner cylinder 20 as capable of moving a tip end vertically at a base end 22, and the tip end is mounted on the rail 25 installed in a circumferential inner surface. The side of a discharge port 27 of the rail 25 is notched, and each rack 21 is tilted by liftable support plates 36 installed in the said part. Therefore, when the rack 21 is reached to the discharge port 27 by rotation of the rotary table, a door 31 is opened and the rack 21 is tilted down, thus BMC 2 on the rack 21 is discharged out. Accordingly, it becomes operable in a simply closed state.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a BMC raw material storage device that stores a plurality of BMC raw materials (hereinafter referred to as BMC) that have been formed into a predetermined shape in advance.

(Prior Art) If BMC in BMC molding is left in the atmosphere for a long time, the styrene monomer and the like that make up BMC will evaporate, resulting in deterioration of the properties of BMC. Therefore, BMC is supplied to the molding machine by having an operator directly take out I3MC from a sealed container and put it into the hopper every time the BMC in the hopper of the molding machine runs out. was.

(Problem to be solved by the invention) However, it is a major obstacle to realizing automation of MC molding, as it involves storing a plurality of BMCs to be used in advance and automatically supplying these BMCs sequentially to the hopper of a molding machine. It became.

(Means for Solving the Problems) The BMC raw material storage device of the present invention stores a plurality of BMC raw materials formed in a predetermined shape in advance, and includes a peripheral surface of an outer cylindrical body whose upper surface is closed. A carry-in port for carrying in the BMC and a carry-out port for carrying out the BMC are provided, and the carry-in port and the carry-in port are respectively closed with doors that can be opened and closed, and a bottom opening of the outer cylinder body is provided. A rotary table is rotatably provided in the section so as to close the opening, and an inner cylindrical body is coaxially erected on the upper surface of the rotary table.
A shelf whose base end is rotatably supported on the outer circumferential surface of the inner cylinder and whose distal end is supported on a rail provided on the inner circumferential surface of the outer cylinder is attached to the outer circumferential surface of the inner cylinder. The BMCs are arranged radially or radially and horizontally in a plurality of stages on a plane, and are carried out by means of carrying out the BMCs placed on the shelves.
is carried out from the outlet, while the inside of the outer cylinder is sealed or simply sealed.

(Function) The BMC raw material storage device in which a plurality of BMCs are stored is made into a sealed or easily sealed structure to suppress the evaporation of styrene, etc. that composes BMC, and the BMC stored in this way is used in the molding machine. B sequentially to feed the hopper of
Export from MC raw material storage equipment.

(Example) Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 shows a schematic configuration of a BMC raw material automatic supply system equipped with a BMC raw material storage device (hereinafter simply referred to as storage device) of the present invention.

This BMC raw material automatic supply system has, for example, 150
A storage device 1 is installed near a hopper 4 of the molding machine to store a plurality of cylindrical BMCs 2 each having a diameter of 150L (weight approximately 5 kg), and the BMCs 2 transported from the storage device 1 are sequentially stored in the hopper. Shifter 5 to be carried out to 4
and a conveyor 7 that transports the BMC 2 taken out from the storage device 1 to the shifter 5.

Here, BMC2 is a raw material having a composition that can be molded by mixing an unsaturated polyester, a crosslinking agent that can be polymerized with the unsaturated polyester, and various additives such as glass fiber and fillers. .

As shown in FIGS. 2 to 5, the storage device 1 stores a plurality of BMC2... in an outer cylindrical body 11, and sequentially transfers the BMC2... to the carrier 7. It is designed to be transported.

The outer cylindrical body 11 is formed in a cylindrical shape with a closed upper surface, and is provided on the foundation 3 by a predetermined distance from the foundation 3 by supporting legs 12 . A loading port for carrying the BMC 2 into the outer barrel 11 is provided on the circumferential surface of the outer barrel 11, and the loading port can be opened and closed on the outer circumferential surface of the outer barrel 11, as shown in FIG. It is closed by a pivotally supported carry-in door 29 via a gasket (not shown). Furthermore, an outlet 27 is provided on the circumferential surface of the outer cylinder 11 to carry out the BMC 2 inside the nuclear outer cylinder 11 to the carrier 7 . The carry-out port 27 is the carry-out door 3
1 through a gasket 33, this recessed door 31 is connected to an opening/closing cylinder 30 via a link mechanism 32, and can be opened and closed by the expansion and contraction of the opening/closing cylinder 30. Further, a rail 25 is annularly provided on the inner circumferential surface of the outer cylinder 11 along the inner circumferential surface.
are substantially horizontal, and three are provided at the top, middle, and bottom of the inner peripheral surface. Furthermore, these three rails 25...
are notched at the periphery of the outlet 27, and support plates 36 are disposed in these notches 35, respectively. Three support plates 36... are two connecting rods 37
37, and are movable in the vertical direction by expansion and contraction of a tilting cylinder 38 connected to a support plate 36 located below (see Fig. 5).
.

A rotary table 15 is rotatably provided at the bottom opening of the outer cylinder 11 so as to close the bottom opening.

The center of the bottom surface of the rotary table 15 is fixed to the foundation 3 via a bearing 16, and the peripheral portion is supported by a free flow bearing 17, so that the rotary table 15 rotates smoothly. Further, the circumferential surface of the rotary table 15 is brought into contact with the circumferential surface of a pulley 18 connected to the motor 14 via a speed reducer [19], so that the rotary table 15 is rotated by the drive of the motor 14. Further, on the upper surface of the rotary table 15, a cylindrical inner cylinder body 20 whose upper surface is closed is installed coaxially, and on the outer peripheral surface of this inner cylinder body 20, a plurality of shelves 21 are provided. It is being A base end 22 of this shelf 21 is supported by the outer peripheral surface of the inner cylinder 20 so as to be rotatable in the vertical direction, and a tip end 23 is connected to a rail 25 provided along the inner peripheral surface of the outer cylinder 11.
It is supported above via a free flow bearing 26. In the illustrated example, the plurality of shelves 21... are 10 radially arranged so as to divide the outer circumferential surface of the inner cylindrical body 20 into 10 parts, and a total of 30 shelves are arranged in three stages in the vertical direction. 21 can place three BMC2... Therefore,
The storage device l of this example can store 90 BMC2.... The inside of the storage device 1 for storing the BMC 2... is located between the bottom opening of the outer cylinder 11 and the rotary table 1.
The rotary table 15 has a simple sealed structure in which a gap is formed between the rotary table 15 and the rotary table 15 by the clearance required when the rotary table 15 rotates.

In addition, in the storage device 1 of the present invention, the number of shelves 21 disposed in the outer cylinder 11 and the number of BMCs 2 placed on the shelves 21 are not limited to this example, and may be changed depending on the number of MCs 2 held or It is necessary for one carrying out and may be determined depending on the number of MC2, etc.

Further, the carrier 7 carries out the BMC 2 to be carried out from the storage device 1.
are transported to the shifter 5 located above the storage device 1, and two sets of guide rails 72, 72 are arranged to sandwich both sides of a transport box 71 that stores the transported BMC2... The transport box 71 is guided by the guide rails 72, 72 and moved up and down by the drive of a motor 73 connected via a wire 74.

Further, the shifter 5 is configured to temporarily store the BMC2... transported by the transporter 7 from the storage device 1, and sequentially supply the BMC2 each time the BMC2 in the hopper 4 of the molding machine runs out. ing. The inside of this shifter 5 is simply sealed like the storage device 1 described above.

Next, the operation of the BMC raw material storage device 1 will be explained.

First, the BMC 2, which has been formed in advance to a size of 150φ×150L (approximately 5 kg in weight), is stored in the storage device 1 by placing it on the shelf 21 arranged inside the outer cylinder 11 from the loading port. During storage, since the inside of the storage device 1 is simply sealed, evaporation of styrene and the like that make up the BMC 2 is suppressed, and the BMC 2 is always stored in a good condition.

Next, when the BMC 2 in the shifter 5 is exhausted, the unloading door 31 of the storage device 1 is opened by the operation of the opening/closing cylinder 30, and then the support plate 36 is lowered by the operation of the tilting cylinder 38, and this support plate 36...・3 with the tip supported on top
The leading ends of the tiered shelves 21... descend together with the support plates 36... and are in an inclined state (see FIG. 3). Therefore, the nine BMC2s placed on these shelves 21...
rolls in the direction of the arrow in FIG. 3 and is stored in the transport box 71 of the transport machine 7. Then, the transport box 71 rises along the guide rails 72°72, and the shifter 5 receives B M
After conveying C2, it descends and returns to its original position to enter a standby state.

Furthermore, after the storage device 1 carries out the BMC 2... to the carrier 7 as described above, the carrying out door 31 is closed and the storage device 1
While keeping the interior in a simple sealed state again, the support plates 36... are moved to the rails 25... by the extension of the tilting cylinder 38.
The three shelves 21 supported by the support plates 36 are returned to a horizontal state. Then, by driving the motor 14 and rotating the pulley 18, the rotary table 15 is rotated by a predetermined angle, thereby tilting the BMC 2...
- moves the unloaded shelves 21 from above the support plates 36 to the rails 25, and shifts the shelves 21 supported by the support plates 36 by one. For details, in this example, shelf 21
... are provided radially by dividing the outer circumferential surface of the inner cylindrical body 20 into 10 parts. Therefore, by rotating the rotary table 15 by 36 degrees, the shelves 21 ... are shifted, and the B M C2 ... is disposed radially. The placed shelves 21... are supported by the support plates 36..., and the BMC2... becomes exposed. Then, when BMC2 in shifter 5 disappears again,
The above operation is repeated, and the BMC 2 in the storage device 1
... will be carried out in sequence.

Note that the storage device 1 of the present invention is not only used for the BMC raw material automatic supply system described in this example, but also for example, the storage device 1 can be used on the second floor of a factory, etc. or on a molding machine using a support leg. By arranging it above the hopper 4, the BM C2 in the storage device 1 may be directly transported to the shifter 5 without using the conveyor 7.

(Effects of the Invention) As described above, according to the BMC raw material storage device of the present invention, the inside of the device can be easily sealed, and deterioration of BMC characteristics due to suppressing evaporation of styrene monomer etc. can be prevented. It becomes possible to store BMC in large quantities for a long period of time, making it very possible to automate BMC molding.

[Brief explanation of the drawing]

Figure 1 shows a BMC equipped with the BMC raw material storage device of the present invention.
C: A configuration diagram showing the outline of the raw material automatic supply system, Figure 2 is a vertical cross-sectional side view showing the BMC raw material storage device, and Figure 3 is the BMC raw material storage device.
A longitudinal side view showing the BMC raw material storage device at the time of unloading, FIG. 4 is a partially cutaway plan view showing the BMC raw material storage device,
FIG. 5 is a partially cutaway side view showing the vicinity of the exit of the BMC raw material storage device. 1...BMC raw material storage device 2...BMC1
1...Outer cylindrical body 15...Rotary table 20...Inner cylindrical body 21...Shelf 25...
・Rail 27...Carry-in port 29...Carry-in R31...Carry-in door Patent applicant: Sekisui Chemical Co., Ltd. Representative Hiroshi 1) Kaoru

Claims (1)

[Scope of Claims] 1) A device for storing a plurality of BMC raw materials formed in a predetermined shape in advance, comprising an inlet for carrying the BMC into the circumferential surface of an outer cylindrical body whose upper surface is closed; A carry-out port for carrying out the BMC is provided, and a door is provided at each of the carry-in port and the carry-out port so as to be openable and closable, and a rotary table is provided at the bottom opening of the outer cylinder so as to close the opening. It is rotatably provided, and an inner cylindrical body is coaxially erected on the top surface of the rotary table.
A shelf whose base end is rotatably supported on the outer circumferential surface of the inner cylinder and whose distal end is supported on a rail provided on the inner circumferential surface of the outer cylinder is attached to the outer circumferential surface of the inner cylinder. The BMCs are arranged radially or radially and horizontally in a plurality of stages on a plane, and are carried out by means of carrying out the BMCs placed on the shelves.
The BMC raw material storage device is characterized in that the inside of the outer cylindrical body is sealed or simply sealed while the BMC is carried out from the carrying out port.