KR101311774B1 - Materials Mixing Apparatus - Google Patents

Abstract

An apparatus for uniformly mixing raw materials such as PET scrap is provided.

The raw material mixing apparatus of the present invention, the raw material discharge means for discharging the raw materials introduced while a plurality is provided at a desired ratio, and the raw material moving in different paths in connection with the respective raw material discharge means in a single path And a raw material mixing means provided in the raw material inducing means and uniformly mixing the raw materials.

According to the present invention, when producing a resin sheet such as PET sheet, it is possible to mix the new material and the raw materials such as recycled PET scrap in an even distribution, so that the shape and density difference of the raw material Regardless, the improved effect of enabling the production of sheets with uniformly distributed raw materials can be obtained.

Resin sheet, raw material, PET scrap, raw material mixing device

Description

Material Mixing Apparatus {Materials Mixing Apparatus}

1 is an overall configuration diagram showing a raw material mixing device of PET (PET) scrap of the present invention

Figure 2 is a detailed view showing the mixing discharge means

Description of the Related Art [0002]

1 .... Raw material mixer 10 .... Hopper

30 .... Raw material ejection means 34 .... Screw means

50 .... Raw material guide means 52 .... First guide pipe

54 .... 2nd guide pipe 70 .... Raw material mixing means

72 .... motor 76 .... conical rotating member

78 .... Raw Material Collision Plate

The present invention relates to a device for mixing raw materials such as PET (scrap) material in the manufacture of sheets, and more specifically, in the production of resin sheets such as PET sheets, new materials and recycled PET scrap (etc.) The present invention relates to a raw material mixing apparatus which enables mixing of raw materials in an even distribution and enables production of sheets in which raw materials are uniformly distributed regardless of the shape or density difference of the raw materials.

In the production of known synthetic resin sheets, for example PET SHEET, first, new and recycled scraps are mixed and produced as sheets in a production process.

However, in the conventional case, in the production of synthetic resin sheets such as PET sheets, two raw materials, for example, new materials and recycled PET scraps were placed in a container (vat) at a constant ratio, and then repeatedly stirred to mix raw materials of scraps.

However, when the raw materials are mixed by such a conventional method, since the shapes of the raw materials are different from each other or the density is often different, there is a problem that the raw materials are not uniformly mixed evenly.

Therefore, when a PET sheet is produced using raw materials that are not evenly mixed, there is a problem that the quality of the PET sheet is not constant due to the difference in the mixing ratio.

Accordingly, it is desirable to mix the new material and the raw materials such as recycled PET scrap in a uniform ratio, and to produce a sheet in which the wort is uniformly distributed, and a raw material mixing device for this has been required.

Of course, the mixed raw material of the present invention described below is of course not limited to pet scrap.

The present invention has been made in order to solve the above conventional problems as an object of the present invention, the raw material mixing apparatus for precisely controlling the mixing ratio of the raw material is stored, and accordingly to enable the production of high quality sheet uniformly distributed raw materials To provide.

As a technical aspect for achieving the above object, the present invention provides a plurality of raw material discharge means for discharging the incoming raw materials in a desired ratio; Raw material inducing means for guiding and discharging raw materials in one path; And a raw material mixing means for uniformly mixing the raw materials supplied and supplied to the raw material inducing means.
The raw material mixing means provides a raw material mixing device comprising a conical rotary member disposed to be rotationally driven near the raw material outlet of the second induction pipe provided in the raw material inducing means.

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Preferably, the raw material is composed of a scrap made of synthetic resin, is stored and discharged in the hopper connected to the upper portion of the raw material discharge means, the lower portion of the raw material mixing means is preferably provided with a storage container in which the raw materials are stored falling. .

In addition, the raw material inducing means associated with the raw material discharging means and the raw material mixing means may include: a plurality of first induction pipes connected to the outlet of the hopper into which the raw materials are loaded and leading a single type of raw materials to another path; The first induction pipes of the connection may be composed of the second induction pipe which is composed of a single tube to guide the raw materials in one path.

Here, the raw material discharge means may be provided as a screw means arranged in a structure driven as a motor from the raw material inlet portion of the plurality of first guide pipe of the raw material guide means.

In addition, preferably the motor for driving the screw means is electrically connected to the device control unit is configured to control the discharge ratio of the raw materials discharged through each of the first induction pipe to a desired ratio, the control unit is provided with a storage container It is configured to be electrically connected with the raw material level sensor.

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Preferably, the conical rotating member of the raw material mixing means is installed on the upper portion of the second induction pipe is connected to the device control unit is connected to the lower end of the drive shaft connected to the motor to control the rotational force.

Preferably, the conical rotating member further comprises a raw material impingement plate.

Further, more preferably, a damper may be further provided inside the connection portion of the first induction pipe and the second induction pipe of the raw material inducing means to adjust the material dispensing direction.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In FIG. 1, the whole block diagram of the raw material mixing apparatus of this invention is shown, and FIG. 2 shows the raw material mixing means in detail.

That is, as shown in Figures 1 and 2, the raw material mixing device 1 of the present invention, the raw material discharge means 30 for discharging the raw material (P) (P ') is introduced at a desired ratio while a plurality is provided. And, the raw material guide means 50 for guiding and discharging the raw material (P) (P ') which is moved in different paths in association with the respective raw material discharge means 30 in one path, and the raw material guide means ( It is characterized in that it comprises a raw material mixing means 70 for uniformly mixing the raw materials supplied and supplied to 50).

At this time, the raw material (P) (P ') is preferably a mixture of different types (type) of each, such raw materials are light synthetic resin scrap, for example, scrap such as recycled PET scrap and new materials Are preferred, but are not necessarily limited thereto.

Therefore, the raw material mixing device 1 of the present invention, while discharging each of the raw materials to the discharge means 30 in an appropriate ratio to the guide means 50, while inducing the one path from the guide means, finally mixing the raw materials It is characterized in that the means 70 is stored in a state that is uniformly mixed in the raw material storage container 90.

Meanwhile, a hopper 10 is disposed above the raw material discharging means 30 so that raw materials P and P 'are stored in each hopper 10 and discharged from the raw material discharging means 30 to flow into the raw material discharging means 30. Will be.

Next, as shown in Figures 1 and 2, the raw material inducing means 50 is connected between the raw material discharging means 30 and the raw material mixing means 70 to guide a plurality of paths to one during the movement of the raw materials. A plurality of first induction pipes 52 associated with the outlet of the hopper 10 into which the raw materials P, P 'are respectively loaded, and leading a single kind of raw materials to another path; and the first induction pipes ( 52 is connected to the second induction pipe 54 to guide the raw materials in one path.

At this time, the raw material discharge means 30, the screw means is arranged in a structure that is driven as a motor 32 from the raw material inlet portion of the plurality of first guide pipe 52 of the raw material guide means 50 therein It consists of 34.

Therefore, as shown in FIG. 1, when the screw means 34 of the raw material discharging means 30 is driven as the motor 32, each different kind of raw material P discharged from the hopper 10 (P) ') Is discharged from the first induction pipe 52 by the driving amount of the screw means 34, so that in the second induction pipe 54 larger in diameter than the first induction pipe to which the lower end of the first induction pipe is connected. Fall down to move on the path.

At this time, preferably, the motor 32 of the raw material discharging means 30 is electrically connected to a controller such as a controller C, for example, a PLC.

Therefore, the discharge ratio of each of the raw materials P and P ′ discharged to the second induction pipe 54 through the first induction pipe 52 through the control of the motor drive can be adjusted to a desired ratio. .

For example, when the new material and the recycled pet scrap are raw materials, the mixing ratio of the new material and the recycled pet scrap can be easily adjusted by the respective raw material discharging means.

More preferably, the control unit C is configured to be electrically connected with the raw material level sensor L provided in the container 90 in which the mixed raw materials are stored.

Therefore, when the mixed raw materials are stored in the storage container 90, that is, the storage container, and reach a proper level, the control unit automatically receives a signal from the level sensor L and automatically stops driving the motor of the discharging means.

When the hopper 10 is connected to the first induction pipe 52 of the raw material inducing means 50, raw materials are discharged by gravity depending on whether the screw means is operated, and thus no separate hopper gate is required. .

Next, in the raw material mixing device 1 of the present invention, the raw material mixing means 70 is a conical rotating member arranged to be driven to rotate near the raw material outlet of the second guide pipe 54 of the raw material inducing means 50. (76).

At this time, as shown in Figure 2, the conical rotary member 76 of the raw material mixing means is connected to the lower end of the drive shaft 74 that rotates as a motor 72 installed on the second guide pipe (54). .

Accordingly, when the motor 72 is driven, the drive shaft 74 and the conical rotating member 76 at the lower end thereof are integrally rotated.

In particular, the conical rotating member 76 is provided with raw material impingement plate 78.

As a result, each of the raw materials P (P ') falling in one path from the first induction pipe 52 of the raw material induction means 50 to the second induction pipe 54 are conical in which they are driven by a motor drive. The impact of the rotating member 76, that is, the funnel-shaped member surface while being evenly distributed in the storage container 90 by the raw material collision plate 78 is mixed and stored.

At this time, as shown in Figure 2, the motor 72 of the raw material mixing means 70 is vertically fixed as a bracket (72a) to the upper surface of the second induction pipe 54, the motor shaft and the drive shaft 74 ) Is fastened so that a driving force is transmitted to the couplings 72b and 74a, and the drive shaft 74 is rotated in the bearing blocks 74b and 74c respectively installed in the upper surface and the inside of the second induction pipe 54. It is fastened and supported to keep it stable.

In addition, the second induction pipe 54 is preferably assembled with a flange (F) for installation of the internal bearing block.

On the other hand, as shown in Figure 2, the first guide pipe 52 and the second guide pipe 54 connecting portion of the raw material guide means 50, the damper 110 to adjust in the raw material dispensing direction is further inside. It is preferred to be provided.

In this case, the damper 110 provides various functions. For example, when the damper 110 is rotated by a hinge shaft (unsigned) by the driving of the motor 112, the damper 110 may be formed of the first induction pipe 52. 2 It is possible to adjust the distribution in the 2nd guide pipe 54 of the raw material P (P ') discharged | emitted in the guide pipe discharge part primarily before reaching a raw material mixing means.

In addition, it is possible to adjust the discharging amount of the raw material discharged from the first induction pipe 52.

Meanwhile, referring to the raw material mixing step by the raw material mixing device 1 of the present invention, as shown in Figure 1, the raw material (P) (P '), such as new material and recycled PET scrap in the hopper 10 These are respectively introduced into the first guide pipe 52 of the raw material guide means 50 by gravity.

At this time, if the screw means 34 of the raw material discharge means 30 disposed inside the inlet side of the first induction pipe 52 is not operated, the discharge of the raw material is not performed, and only when the raw material is operated, It moves along another guideway along the guideway and collects in the second guideway 54.

At this time, as the driving speed of the driving motor 32 of the screw means 34 is adjusted, the discharge direction of the first guide pipe of the raw materials may be adjusted.

In addition, the raw materials mixed during the first natural drop in the second induction pipe 54 are dropped onto the conical rotating member 76 of the raw material mixing means 70 disposed at the second induction pipe outlet immediately below.

At this time, the drive motor 72 connected to the conical rotary member 76 and the drive shaft is connected to the control unit (C) to control the rotational force, the faster the rotation of the rotating member, the raw materials fall outwards, the raw material is rotated later Falls to the center of the reservoir (90).

Therefore, when the rotational force of the drive motor is adjusted, the raw materials are dropped and stored evenly in the storage container 90.

At this time, the storage container 90 may be provided with a guide plate 92 to guide the raw materials to the center side of the storage container 90.

Accordingly, the raw material mixing device 1 of the present invention mixes the raw materials as uniformly as possible to further improve the quality of the product using the mixed raw materials.

According to such a raw material mixing apparatus of the present invention, the following effects can be obtained.

First, the mixing ratio of raw materials such as new materials and recycled PET scrap can be precisely controlled by the discharge means.

Second, since the raw material is stored in a very uniform distribution in the raw material container, it is possible to produce a sheet using a higher quality raw material.

Finally, since the raw material mixing proceeds in real time as compared to the prior art, it is possible to save time and cost according to the raw material mixing, and to provide excellent effects such as smoothly supplying the mixed raw material to the molding process.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

Claims (8)

Raw material discharge means 30 for discharging the raw material (P) (P ') is introduced at a desired ratio while providing a plurality of; and raw materials moved in different paths in connection with the respective raw material discharge means (30) Raw material inducing means 50 for guiding and discharging to the path of the; And, a raw material mixing means 70 for uniformly mixing the raw materials supplied and supplied to the raw material inducing means 50. The raw material mixing means (70), the raw material mixing device including a conical rotary member (76) which is disposed to be driven to rotate near the raw material outlet of the second induction pipe (54) provided in the raw material guide means (50). According to claim 1, wherein the raw material is composed of a scrap made of synthetic resin, stored and discharged in the hopper 10 connected to the upper portion of the raw material discharge means 30, the raw material is evenly distributed in the lower portion of the raw material mixing means Raw material mixing device characterized in that the storage container 90 is provided to be stored. According to claim 1, wherein the raw material discharging means 30 and the raw material inducing means 50 associated with the raw material mixing means 70 is associated with the outlet of the hopper 10 in which the raw materials are loaded and a single type of raw material A plurality of first guide pipes 52 for guiding them to another path; And The second induction pipe 54 is connected to the plurality of first induction pipes 52 are integrally formed as a pipe to guide the raw materials in one path; Raw material mixing device, characterized in that consisting of. 4. The raw material discharging means (30) according to claim 1 or 3, wherein the raw material discharging means (30) is provided as a motor (32) from the raw material inlet portion of the plurality of first induction pipes (52) of the raw material inducing means (50). Raw material mixing device, characterized in that consisting of a screw means 34 arranged in a driven structure. 5. The motor 32 for driving the screw means 34 is electrically connected to the device control unit C to control the discharge ratio of the raw materials discharged through the respective first induction pipes at a desired ratio. Is configured, the control unit (C) is a raw material mixing device, characterized in that configured to be electrically connected with the raw material level sensor (L) provided in the storage container (90). delete The drive shaft of claim 1, wherein the conical rotating member 76 of the raw material mixing means is connected to the device control unit C while being installed on the second induction pipe 54 to control the rotational force. Raw material mixing device, characterized in that connected to the lower end of (74). According to claim 3, wherein the first guide pipe 52 and the second guide pipe 54 of the raw material guide means 50 is further provided with a motor-driven damper 110 to adjust in the raw material dispensing direction on the inside. Raw material mixing apparatus characterized in that.

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