KR102010289B1 - Plastic raw material manufacturing device using waste synthetic resin - Google Patents

Abstract

The present invention relates to a plastic raw material manufacturing apparatus using waste synthetic resin implemented to produce a raw material in the form of pellets for recycling plastic waste plastics to produce a plastic product, the extrusion of melted pulverized waste synthetic resin and extrusion molding Molding part; A cooling unit installed at a front end of the extrusion molding unit to cool the extrusion molding using cooling water; And a cutting unit installed at a front end of the cooling unit to cut the cooled extrusion molded product into a predetermined length.

Description

Plastic raw material manufacturing apparatus using waste synthetic resin {PLASTIC RAW MATERIAL MANUFACTURING DEVICE USING WASTE SYNTHETIC RESIN}

The present invention relates to a plastic raw material manufacturing apparatus using waste synthetic resin, and more particularly, to a plastic raw material manufacturing apparatus using waste synthetic resin embodied to produce a raw material in the form of pellets capable of producing plastic products by recycling waste synthetic resin. It is about.

In the manufacturing process of the plastic composite material and part manufacturing process, additionally, a large amount of plastic composite scrap is generated when the plastic composite material is manufactured, and wastes such as defective products and broken products of the plastic composite product are generated.

Recycling, incineration, and landfill are some of the ways to treat scraps, scraps, and wastes of plastic composites.However, landfilling of plastic composites not only causes fatal environmental pollution but also takes up to hundreds of years to decompose. have. Incineration of plastic composite materials may cause environmental pollution such as air pollution and land pollution by harmful gases generated during incineration, or may cause harmful effects on humans and animals and plants.

In the conventional waste plastic recycling apparatus, the dispersibility of waste plastic formed by recycling from the waste plastic recycling apparatus may be degraded, which may cause a problem of deterioration of surface quality, such as fiber protrusion and agglomeration, and a great variation in physical properties may result. There may be a disadvantage that the thickness uniformity of the film is not uniform.

On the other hand, the background art described above is technical information possessed by the inventors for the derivation of the present invention or acquired in the derivation process of the present invention, and is not necessarily a publicly known technique disclosed to the general public before the application of the present invention. .

Korean Patent Publication No. 10-2018-0085167 Korean Patent Publication No. 10-2019-0037441

One aspect of the present invention provides a plastic raw material manufacturing apparatus using a waste synthetic resin implemented to continuously produce the raw material in the form of pellets by continuously supplying the waste synthetic resin, melting, extrusion molding, cooling and cutting processes.

In addition, the present invention provides a plastic raw material manufacturing apparatus using waste synthetic resin implemented to shake off the foreign matter attached to the extrusion molding by shaking the multiple strands of the extrusion molding separately transported in the vertical direction.

The technical problem of the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

Plastic raw material manufacturing apparatus using a waste synthetic resin according to an embodiment of the present invention, the extrusion molding unit for melting and then extruding the pulverized waste synthetic resin; A cooling unit installed at a front end of the extrusion molding unit to cool the extrusion molding using cooling water; And a cutting unit installed at a front end of the cooling unit to cut the cooled extrusion molded product into a predetermined length.

In one embodiment, the extrusion molding unit, a melted part for melting the pulverized waste synthetic resin; A discharging part spaced apart from the upper side of the oil part and configured to suck water vapor or smoke generated from the melting part and discharge it to the outside; And an extrusion part installed at a front end of the melting part, and extruding the molten waste synthetic resin to continuously form a plurality of extruded moldings, wherein the cooling part is installed between the extrusion part and the cutting part and is disposed in an internal space. A coolant container for cooling the extruded product being transferred using the contained coolant; A plurality of spaced apart from each other in the longitudinal direction in the upper or inner space of the cooling water container is installed, lifting the extruded product to be transported from the lower side or the extruded material being transported from the lower side so that the conveying direction of the extruded product can be changed in the upper or lower direction A feed guide roller pressed from the upper side; A support frame formed in the shape of a square pillar and seated in a horizontal direction from an upper side of the cooling water container and supporting an upper side or a lower side of the extruded molding being transferred; A foreign material removal unit installed on the distal upper end of the coolant container so that the extruded product exiting the coolant may move between the brushes of the brush formed in an upward direction and foreign substances attached to the extruded product may be swept away; And installed between the cooling water container and the cutting part, and formed to be inclined in the direction of the inlet of the cutting part into which the extruded product located at a position higher than the cooling water container from the end of the cooling water container is inclined to induce lifting of the extruded product. It includes an induction part, the transfer induction roller is installed so as to be exposed to the outside on the upper side of the cooling water container to support the lower side of the extrusion molding to expose the extrudate outside the cooling water, or installed in the inner space containing the cooling water in the cooling water container And to support the upper side of the extrusion molding so that the extrusion molding is submerged in the cooling water, a plurality of guide grooves formed by circumferentially spaced along the outer circumferential surface so as to maintain the gap between the transporting extrusion molding is formed in a plurality of spaced apart, Lifting guide portion, the cooling water container Lift plate that is installed from an upper end to be inclined to the cutting direction of the slot portion; A support part installed below the lifting plate to support the lifting plate; A press bar spaced apart from the upper side of the elevating plate and configured to press the extruded product being transferred from the upper side; An inclined feed roller which is installed after the push bar and guides the plurality of extruded moldings to be spaced apart from each other; And a support bar installed after the inclined conveying roller and configured to lift the extruded product being transported from the lower side from the lower side, wherein the cooling unit is configured to shake off the coolant or foreign matter attached to the extruded product. It is installed in, and comprises a vibration generating unit for shaking a plurality of extruded molding during transport, The vibration generating unit, a triangular frame of the right triangular form to form an inclination angle so that the height is lowered in the direction of the cutting portion; A fastening groove extending in a longitudinal direction so as to be inclined to correspond to an inclined surface on one side facing the extruded molding being transported in the triangular frame; An upper drive gear installed at an upper portion of the fastening groove to rotate; A lower driving gear installed at the lower portion of the fastening groove to rotate; The upper driving gear and the lower driving gear are connected to and installed in cogs formed in rows along the inner surface, and driven according to the rotation of the upper driving gear or the lower driving gear so that other driving gears can be rotated. A drive belt for connecting; And a plurality of extruded moldings are installed in the drive belt to correspond to the number of extruded moldings spaced apart from each other in a space between the upper drive gear and the lower drive gear, and teeth formed along an outer circumferential surface thereof are formed along an inner surface of the drive belt. A vibration gear having an eccentric support bar which is engaged with the teeth and rotates according to the driving of the drive belt, and is formed from a position spaced apart from the central axis on one side facing the extruded product being transported and has one strand of extruded product seated thereon It includes, the eccentric support bar, vibrating in the vertical direction seated by the eccentric movement in accordance with the rotation of the vibration gear, and formed in a different length from the eccentric support bar of the other vibration gear, the support portion, Supporting device is formed in the form of a square pillar extending in the upward direction from the ground .; A rotating part connected to the lower side of the elevating plate to be rotatable; And an elastic support part installed on an upper portion of the support pillar to support the pivoting part by using an elastic force.

According to one aspect of the present invention, by supplying waste synthetic resin to continuously perform the melting, extrusion molding, cooling and cutting process to continuously produce the raw material in the form of pellets, mechanical, chemical and thermal properties are excellent, Excellent dimensional stability, impact resistance, stable to heat or moisture, it can provide the effect of improving the manufacturing efficiency of the raw material of plastic that can provide the same degree of physical properties compared to new products.

In addition, by shaking a plurality of extruded moldings transported separately from each other in the vertical direction by shaking off the foreign matter attached to the extruded molding, the purity of the product by minimizing the impurities content of the extruded molding material that is a raw material of plastic products It can provide an effect to improve.

The effects of the present invention are not limited to the above-mentioned effects, and various effects may be included within the scope apparent to those skilled in the art from the following description.

1 is a view showing a schematic configuration of a plastic raw material manufacturing apparatus using waste synthetic resin according to an embodiment of the present invention.
FIG. 2 is a view illustrating an extrusion molding part of FIG. 1.
3 is a view showing the extruded part of FIG.
4 is a view illustrating an embodiment of a cooling unit of FIG. 1.
FIG. 5 is a view showing a feed guide roller of FIG. 4. FIG.
FIG. 6 is a view illustrating a foreign material removing unit of FIG. 4.
FIG. 7 is a view illustrating a lift guide part of FIG. 4.
8 is a view showing another embodiment of the cooling unit of FIG.
9 is a diagram illustrating a vibration generator of FIG. 8.
FIG. 10 is a view illustrating a lift guide part of FIG. 4.
11 is a view showing the elastic support of FIG.
12 and 13 are views illustrating the support pillar of FIG. 11.
FIG. 14 is a view showing the cross elastic part of FIG. 12.
FIG. 15 is a view illustrating the vertical elastic part of FIG. 13.

DETAILED DESCRIPTION The following detailed description of the invention refers to the accompanying drawings that show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be embodied in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. In addition, it is to be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. The following detailed description, therefore, is not to be taken in a limiting sense, and the scope of the present invention, if properly described, is defined only by the appended claims, along with the full range of equivalents to which such claims are entitled. Like reference numerals in the drawings refer to the same or similar functions throughout the several aspects.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings.

1 is a view showing a schematic configuration of a plastic raw material manufacturing apparatus using waste synthetic resin according to an embodiment of the present invention.

Referring to FIG. 1, the plastic raw material manufacturing apparatus 10 using the waste synthetic resin according to the exemplary embodiment of the present invention includes an extrusion molding part 100, a cooling part 200, and a cutting part 300.

The extrusion molding unit 100 melts the pulverized waste synthetic resin and then extrudes and transfers it to the cooling unit 200 installed at the front end.

Here, the waste synthetic resin produced in the manufacturing process of the synthetic resin manufacturing industry is classified into thermoplastic resin and thermosetting resin as designated waste, and only thermoplastic resin can be recycled.

Therefore, the waste synthetic resin according to the present invention refers to a thermoplastic resin for recycling.

Here, the extrusion molding unit 100 receives the waste synthetic resin pulverized to a size of about 3-5 mm from the outside, is heated and melted at 200-400 ° C and then extruded to form continuously in the form of noodle.

The cooling unit 200 is installed at the front end of the extrusion unit 100 and cools the extrusion molded product 1 that is continuously molded and discharged from the extrusion unit 100 using cooling water and then cut into the cutting unit 300. To pass.

The cutting part 300 is formed in the form of pellets for molding a plastic product by cutting the cooled extrusion molding 1 installed at the front end of the cooling part 200 to a predetermined length (for example, 1 cm to 5 cm). Manufacture raw materials.

Pieces of the extruded molding 1 cut by the cutting part 300 may be utilized as a plastic raw material that is supplied to a factory that manufactures a product using plastic.

Synthetic resins (commonly known as plastics) are widely used as basic materials for industrial and household goods because they are light, easy to process, and not easily decayed. Doing. However, even after decades of use, it is not decomposed and remains intact, and its bulkiness makes handling uncomfortable and prominent, so that proper disposal of waste synthetic resins is emerging as a social issue.

There are three ways to treat waste synthetic resin: landfill, incineration and recycling. Landfill is not suitable because the waste synthetic resin is a material that does not decay well, inevitably incinerated or recycled through separate collection.

However, the incineration method is a simple method that can use the thermal efficiency, but it requires a lot of facility investment costs, causing air pollution by the generation of harmful gases, as well as the corrosion of the incinerator.

Meanwhile, the recycling method is a method of producing raw materials of recycled plastics by a simple physical treatment of collecting and then sorting waste synthetic resin, and washing, crushing, and reducing the compression, and by a chemical reaction using a catalyst after simple physical treatment such as washing. There is a method of producing fuel oil such as diesel by recovering the original raw material (Monomer) from the waste synthetic resin or by thermal decomposition at high temperature.

The plastic raw material manufacturing apparatus 10 using the waste synthetic resin which has the structure as mentioned above intends to manufacture the raw material of recycled plastics by the simple physical process of washing, crushing, and crimping reduction of the above-mentioned recycling method.

The plastic raw material manufacturing apparatus 10 using the waste synthetic resin having the configuration as described above, by continuously supplying the waste synthetic resin to perform the melting, extrusion molding, cooling and cutting process to continuously produce the raw material in the form of pellets, It has excellent chemical, chemical and thermal properties, excellent dimensional stability, impact resistance, and stability to heat or moisture, which improves the manufacturing efficiency of plastic raw materials that can provide equivalent physical properties compared to new products. You can.

FIG. 2 is a view illustrating an extrusion molding part of FIG. 1.

Referring to FIG. 2, the extrusion molding part 100 includes a melting part 110, a discharge part 120, and an extrusion part 130.

Melting unit 110 is melted by heating the pulverized waste synthetic resin to 200-400 ℃, and supplies to the extrusion unit 130 installed in the front end.

The discharge part 120 is installed to be spaced apart from the upper side of the oil, and serves as a vent for sucking and discharging water vapor or smoke generated in the melting part 110 to the outside.

Referring to FIG. 3, the extruder 130 is installed at the front end of the melter 110, and extrudes the waste synthetic resin melted in the melter 110 to press continuously into multiple strands of the extrudate 1. Let's do it.

At this time, the extrudate 1 molded from the extruder 130 may be directly injected into the coolant 2 contained in the coolant container 210 installed at the front end of the extruder 130 and may be cooled.

Here, the extrusion unit 130 is an apparatus for performing an extrusion process, and puts a material heated at a high temperature in the melting unit 110 into a container and applies a strong pressure to the ram to remove from the die shape. It refers to the apparatus to process by extrusion molding.

4 is a view illustrating an embodiment of a cooling unit of FIG. 1.

Referring to FIG. 4, the cooling unit 200 includes a coolant container 210, a transfer guide roller 220, a support frame 230, a foreign material removal unit 240, and a lifting guide unit 250.

The cooling water container 210 is installed between the extrusion molding part 100 and the cutting part 300 to cool the extruded product 1 being transferred using the cooling water contained in the internal space, and then cut through the lifting guide part 250. Transfer to section 300.

The feed guide roller 220 is spaced apart from each other in the longitudinal direction in the upper or inner space of the coolant container 210, and a plurality of the induction rollers are being transported so that the conveying direction of the extrusion molding (1) can be changed to the upper or lower direction The extruded product 1 is lifted from the lower side or the extruded product 1 being transported is pressed from the upper side.

Referring to Figure 5, the feed guide roller 220 is installed so as to be exposed to the outside from the upper side of the coolant container 210 to support the lower side of the extrudate (1) to expose the extrudate (1) out of the coolant ( 220a), the cooling water container 210 is installed in the inner space containing the cooling water 2 to support the upper side of the extrusion molding 1 so that the extrusion molding 1 is immersed in the cooling water (220b), and the extrusion molding being transported ( 1) The guide grooves 221 formed around the outer circumferential surface of each of the feed rollers 220a and 220b may be spaced apart in the left and right length directions so that the space between them may be maintained.

That is, the feed guide roller 220 may rotate in response to the transfer of the extrusion molding 1 to induce the transfer of the extrusion molding 1, and each extrusion molding 1 may have different guide grooves 221. It is possible to prevent the entangled extruded product 1 from being entangled with each other by maintaining a gap between the plurality of extruded products 1 by inducing them to be seated and transported.

The support frame 230 is formed in the shape of a square pillar to be seated in a horizontal direction from the upper side of the cooling water container 210, and supports the upper side or the lower side of the extruded molding 1 being transferred.

The foreign material removing unit 240 may remove the foreign matter attached to the extruded product 1 while moving between the brushes of the brush 241 in which the extruded product 1 exiting the coolant container 210 moves upward. It is installed on the upper end of the cooling water container 210 so that.

Referring to FIG. 6, the foreign material removal unit 240 allows the extruded article 1 passed through the last transfer guide roller 220 to be transferred to the lifting guide unit 250 after passing between the brushes 241.

At this time, the extrusion molding 1, by the friction with the brush of the denser brush 241 in the process of passing through the brush 241 to separate the attached moisture or other foreign matters, thereby greatly improving the purity of the product Can be.

The elevating induction part 250 is installed between the coolant container 210 and the cutting part 300, and the cutting in which the extrusion molded part 1 positioned at a position higher than the coolant container 210 is inserted from the end of the coolant container 210. It is formed to be inclined in the direction of the inlet 310 of the part 300 to induce the lifting of the extrusion molding (1).

FIG. 7 is a view illustrating a lift guide part of FIG. 4.

Referring to FIG. 7, the lift guide unit 250 includes a lift plate 251, a support 252, a push bar 253, an inclined feed roller 254, and a support bar 255.

The lifting plate 251 is installed to be inclined in the direction of the inlet opening of the cutting part 300 from the upper end of the cooling water container 210, and is supported by the support part 252 provided at the lower side.

The support part 252 is provided below the lifting plate 251 to support the lifting plate 251.

The push bar 253 is spaced apart from the upper side of the elevating plate 251, and presses the extruded molding 1 being transferred from the upper side.

The inclined feed roller 254 is installed after the push bar and guides the plurality of extruded articles 1 to be spaced apart from each other.

The support bar 255 is provided after the inclined conveying roller 254 and raises and lowers the extruded molding 1 being conveyed from the lower side.

Lifting induction unit 250 having the configuration as described above, the coolant container 210 so that the extrusion molding (1) transferred from the coolant container 210 to the cutting unit 300 can be prevented from being struck down and broken. From the cutting portion 300 to the extrusion molding 1 can support the lower side.

8 is a view showing another embodiment of the cooling unit of FIG.

Referring to FIG. 8, the cooling unit 200a according to another embodiment may include a coolant container 210, a transfer guide roller 220, a support frame 230, a foreign substance removal unit 240, a lifting guide unit 250, and the like. The vibration generating unit 260 is included.

Here, since the coolant container 210, the transfer guide roller 220, the support frame 230, the foreign matter removing unit 240 and the lifting guide unit 250 is the same as the components of Figure 2, the description thereof will be omitted.

The vibration generator 260 is installed on one side of the coolant container 210 so as to shake off the coolant or foreign matter attached to the extruded product 1, and individually shakes the plurality of extruded products 1 being transported. .

The cooling unit 200a having the configuration as described above shakes off the foreign matter attached to the extruded article 1 by shaking the multiple stranded extruded article 1 separately and vertically conveyed apart from each other. In addition, the purity of the product may be improved by minimizing the impurity content of the extrusion molded product 1 that is a raw material of the plastic product.

9 is a diagram illustrating a vibration generator of FIG. 8.

9, the vibration generator 260 includes a triangular frame 261, a fastening groove 262, an upper drive gear 263, a lower drive gear 264, a driving belt 265, and a vibration gear 266. ).

The triangular frame 261 is formed in the form of a right triangle to form an inclination angle so that the height is lowered toward the cutting portion 300 direction, the fastening groove 262 is formed along the inclined surface.

The fastening groove 262 is formed to extend in the longitudinal direction so as to be inclined to correspond to the inclined surface on one side facing the extruded molding 1 being transferred from the triangular frame 261, and the upper drive gear 263 is installed in the upper space. The lower drive gear 264 is installed in the lower space.

The upper drive gear 263 is installed and rotated in the upper portion of the fastening groove 262, the lower drive gear 264 is installed in the lower portion of the fastening groove 262 and rotated, connected to each other by the drive belt 265 do.

The drive belt 265 is provided with an upper drive gear 263 and a lower drive gear 264 coupled to a cog formed in a row along an inner surface thereof, and an upper drive gear 263 or a lower drive gear ( It is driven by the rotation of the 264 to connect the other drive gear can be rotated, the plurality of vibration gears (266a to 266e) in the space between the upper drive gear 263 and the lower drive gear 264 is connected and installed do.

That is, the driving belt 265 functions as a driving force transmission device for collectively rotating the plurality of vibration gears 266a to 266e by using the driving force supplied from the upper drive gear 263 or the lower drive gear 264. To do.

Referring to FIG. 9B, the driving belt 265 is exposed to the outside of the fastening groove 262, but the driving belt 265 is inserted into the space of the fastening groove 262 so that only the eccentric support bar 267 is externally provided. It may be installed so as to be exposed.

A plurality of vibration gears 266 are installed in correspondence with the number of the extruded moldings 1 transported apart from each other in the space between the upper drive gear 263 and the lower drive gear 264 in the drive belt 265, The teeth formed along the outer circumferential surface are engaged with the teeth formed along the inner surface of the drive belt 265 to rotate according to the drive of the drive belt 265, and are spaced apart from the central axis on one side facing the extruded molding 1 being transferred. And an eccentric support bar 267 extending from the position.

At this time, the eccentric support bar 267, the vibrating gear 266 by the rotation of the eccentric movement can be vibrated in the vertically seated extrusion molding (1).

In addition, the eccentric support bar 266 of the other vibration gear 266 is formed in a different length, so that the friction with the other extruded product 1 during vibration of the extruded product 1 due to the eccentric motion is not generated desirable.

FIG. 10 is a view showing the support of FIG. 4. FIG.

Referring to FIG. 10, the support part 252 includes a support column 2521, a pivot part 2522, and an elastic support part 2523.

The support pillar 2521 is formed in the shape of a square pillar and extends upwardly from the ground, and an elastic support portion 2523 is provided at an upper portion thereof.

The rotation part 2522 is connected to the lower side of the elevating plate 251 so that rotation is possible, and is provided above the elastic support part 2523.

The elastic support part 2523 is provided in the upper part of the support pillar 2521, and supports the rotation part 2522 using elastic force.

The support 252 having the above-described configuration can not only form a free lifting and lowering inclination angle of the elevating plate 251 using the rotating portion 2522, but also uses the elastic support 2523 to extrude the molded article 1. The durability of the device can be further improved in that vibrations transmitted to the elevating plate 251 can be minimized in accordance with the transfer.

11 is a view showing the elastic support of FIG.

Referring to FIG. 11, the elastic support part 500 includes a support frame 540, four support plates 510, four pairs of support frames 520, and a support column 530.

The support frame 540 is supported by the support plate 510 provided in the lower side, and supports the rotation part 2522 from the lower side.

The supporting plate 510 supports the supporting frame 540 seated on the upper side and is supported by the supporting pillar 530 by the supporting frame 520 connected to the lower side.

That is, the supporting plate 510 seats the supporting frame 540 on the upper side thereof, and in response to the vibration or shock transmitted from the supporting frame 540, the supporting plate 510 is oriented in the horizontal direction (ie, the first frame 521a). Alternatively, vibration or shock may be attenuated by being absorbed by the support frame 520 sliding in the up and down direction (ie, the second frame 521b).

In addition, the present invention is formed by varying the length of the first frame (521a) or the second frame (521b), to overcome the limitations of the existing elastic body that can reduce the impact by simply adjusting the height in the vertical direction The support position by the plate 510 can be freely adjusted not only in the vertical direction but also in the left and right directions.

The support frame 520 is connected to rotatably two frames of the first frame 521a and the second frame 521b at each lower portion of the four support plates 510 to support the plate 510. As described above, the support position of the support frame 540 by the plate 510 is determined by adjusting the length of the first frame 521a or the second frame 521b.

At this time, the upper part of the first frame 521a and the second frame 521b is connected to the lower part of the support plate 510, and the lower part of the first frame 521a is rotated on the upper side of the support column 530. The lower surface of the second frame 521b is connected and installed to enable horizontal sliding movement, and the lower side of the second frame 521b is connected to one side of the support pillar 530 so as to allow rotational and vertical sliding movement.

That is, the first frame 521a or the second frame 521b may be subjected to vibration or shock transmitted from the support plate 510 through a pivoting or sliding movement by elastic force on the upper surface or one side of the support pillar 530. The support pillar 530 is transferred.

The support pillar 530 is formed in the shape of a square pillar, and the lower portion of the first frame 521a is connected to the upper side so as to be rotated and horizontally slidably moved, and the lower portion of the second frame 521b is one side. It is connected to the rotational and vertical sliding movement in the installation, and the elastic force (ie, the cross-elastic portion 533 or vertical elastic portion 535) during the sliding movement of the first frame (521a) or the second frame (521b) Absorbs vibrations or shocks through.

Each of the supporting plate 510 or the supporting frame 520 is driven by the same method as the symmetrical structure of each other, and the contents described with respect to the one supporting plate 510 or the supporting frame 520 as described above are described. The same may be applied to the other support plate 510 or the other support frame 520, the description thereof will be omitted.

In addition, the elastic support 500 having the configuration as described above, can also be formed in a vertical symmetrical structure, in the case of Figure 10 is shown that each configuration is formed only on the upper portion of the support pillar 530 The configuration associated with four support plates 510 and four pairs of support frames 520 as one would be equally applicable to the bottom of the support pillars 530.

The elastic support part 500 which has the structure as mentioned above supports the lifting plate 251 by which the inclination angle was determined by the rotation part 2522 using elastic force, and the lifting plate 251 according to the conveyance of the extrusion molding 1 is carried out. The durability of the device can be further improved in that vibration transmitted to the can be minimized.

12 and 13 are views illustrating the support pillar of FIG. 11.

Referring to FIG. 12, the support pillar 530 includes a pillar body 531, a cross groove 532, a cross elastic portion 533, four vertical grooves 534 (see FIG. 11), and four vertical elastic portions. 535 (see FIG. 15).

The pillar body 531 is formed in the shape of a square pillar, a cross groove 532 is formed on the upper portion, the vertical groove 534 is formed on each side.

The cross grooves 532 are recessed and formed in the upper portion of the pillar body 531 in a "+" shape, and a cross elastic portion 533 is inserted into the inner space.

The cross resilient portion 533 is formed in a shape corresponding to the shape of the cross groove 532 and is inserted into the cross groove 532, so that the lower side of the first frame 521a is rotatable on the upper ends of the four branches. It is connected and installed to absorb the vibration or shock transmitted from the first frame 521a by using the elastic force to attenuate the vibration or shock.

The vertical groove 534 is formed in each of the surface of the pillar body 531 in the vertical direction, the vertical elastic portion 535 is inserted into the interior space.

The vertical elastic portion 535 is formed in a shape corresponding to the shape of the vertical groove 534 is inserted into the vertical groove 534, the lower side of the second frame 521b is connected to the upper outer side so as to be rotatable and elastic force By absorbing the vibration or shock transmitted from the second frame 521b to reduce the vibration or shock.

FIG. 14 is a view showing the cross elastic part of FIG. 12.

Referring to FIG. 14, the cross elastic part 533 includes a cross case part 5313, an upper support part 5332, four upper elastic parts 5333, four upper elastic support parts 5340, and four upper connecting links. A part 5335 is included.

The cross case portion 5313 has an inner space formed in an empty " + " shape and is inserted into the cross groove 532, and includes an upper support portion 5332, four upper elastic portions 5333, and four which are described later in the inner space. Top elastic support parts 5340 are installed.

At this time, the length of each branch of the cross case portion 5311 is formed shorter than the length of each branch of the cross groove 532, as shown in Figure 12, the upper portion in the space formed on the outside of the cross case portion (5331) The connecting link portion 5335 may be disposed and may form a space for sliding movement.

The upper support part 5332 is formed of a cube, and is disposed at the center of the cross case part 5311, so that the upper elastic part 5333 is disposed outside each of the four surfaces, and supports the upper elastic part 5333. do.

The upper elastic part 5333 is disposed on each side surface of the upper support part 5332 to support the upper elastic support part 5340 by elastic force, thereby absorbing vibrations or shocks transmitted from the upper elastic support part 5344.

The upper elastic support part 5340 is disposed at each end of each branch of the internal space of the cross case part 5313, is supported by the elastic force of the upper elastic part 5333, and is provided between the upper connection link parts 5335. The upper connecting link portion 5335 is supported by the support bar 5336.

The upper link link portion 5335 is disposed at each end of each branch of the cross groove 532, and is provided between the side of the cross case portion 5313 and the support bar 5336 provided between the upper elastic support portion 5340. It is maintained at a predetermined interval by a), and the lower side of the first frame 521a is connected to the upper side so as to be rotatable, and each branch of the cross groove 532 meets in accordance with the vertical movement of the plate 510. Sliding along the groove of the cross groove 532 in the center direction.

FIG. 15 is a view illustrating the vertical elastic part of FIG. 13.

Referring to FIG. 15, the vertical elastic part 535 includes a vertical case part 5331, a side support part 5332, a side elastic part 5435, a side elastic support part 5344, and a side connection link part 5345. do.

The vertical case portion 5331 is formed in a shape corresponding to the shape of the vertical groove 534 in which the inner space is empty, and the side support portion 5332, the side elastic portion 5431, and the side elastic support portion 5344 are formed from the lower side of the inner space. ) Are installed in order.

The side support part 5332 is formed of a cube, is disposed in a lower space of the vertical case part 5331, and a side elastic part 5435 is disposed on the upper side to support the side elastic part 5435.

The side elastic part 5343 is disposed above the side support part 5332, and supports the side elastic support part 5344 disposed above by the elastic force, thereby preventing vibration, shock, and the like transmitted from the side elastic support part 5344. Will be absorbed.

The side elastic support part 5344 is disposed above the inner space of the vertical case part 5331, is supported by the elastic force of the side elastic part 5435, and is provided between the side connecting link parts 5345. It supports the side link link portion 5345 by.

The side link link portion 5345 is disposed at an upper end of the vertical groove 534 and is provided between a lower side facing the vertical case portion 5331 and an upper side of the side elastic support portion 5344. It is maintained at a predetermined interval by a), and the lower side of the second frame 521b is connected to the outer side so as to be rotatable, and slides along the groove of the vertical groove 534 in the lower direction of the vertical groove 534. .

Plastic raw material manufacturing apparatus using a waste synthetic resin according to another embodiment of the present invention may further include a composition for repairing the building structure including an acrylic binder for filling and repairing the crack is generated when the structure is cracked. have.

Here, the structure, the extrusion molding unit 100, the cooling unit 200 or the cutting 300 may correspond to this, but is not limited thereto, and each configuration constituting the present invention may correspond to this. have.

The present inventors found that there is no composition exhibiting a satisfactory effect among the compositions having improved water resistance, water resistance, and crack resistance in a composition for repairing a conventionally existing building structure. The inventors have invented a composition which exhibits a satisfactory effect of water resistance, water resistance and crack resistance.

In the present invention, the acrylic binder may be an acrylic ester copolymer. The acrylic ester copolymer may be an acrylic ester copolymer having a CAS number of 30445-28-4. The present inventors are exploring various compounds that can be added to the composition for repairing building structures, the composition that can achieve both the water resistance and crack resistance that is an object of the present invention to solve when the composition comprises the acrylic ester copolymer Confirmed.

In the present invention, the composition may include 10 to 50 parts by weight of the acrylic binder, preferably 15 to 40 parts by weight, and more preferably 20 to 30 parts by weight.

The composition of the present invention may further include, in particular, EVA binder, butyl cellosolve, rosin, texanol and propylene glycol in order to achieve particularly waterproof and water resistant among the problems to be solved by the present invention. .

In the present invention, the EVA binder is preferably ethylene vinyl acetate, and the CAS number may be a compound having 24937-78-8.

The butyl cellosolve in the present invention may be a compound having CAS number 111-76-2.

In the present invention, the rosin refers to a natural resin obtained by distilling rosin, and any type of rosin may be included as a constitution for solving the problem of the present invention.

In the present invention, the texanol (TEXANOL) may be a compound having CAS number 25265-77-4.

In the present invention, the propylene glycol may be a compound having CAS No. 57-55-6.

The inventors have found that the effect of water resistance is particularly improved when EVA binder, butyl cellosolve, rosin, texanol and propylene glycol are further included as a composition of a building structure repair composition including an acrylic binder. .

Specifically, the composition is 0.01 to 10 parts by weight of EVA binder, 0.01 to 5 parts by weight of butyl cellosolve, 0.01 to 5 parts by weight of rosin, 0.01 to 5 parts by weight of texanol and 0.01 to 3 parts by weight of propylene glycol. It may include.

More specifically, the inventors confirmed that the effect of water resistance is remarkably improved when the composition further includes 2-amino-2-methyl-1-propanol and 2-methylamino-2-methyl-1-propanol. It was. That is, EVA binder, butyl cellosolve, rosin, texanol and propylene glycol, and 2-amino-2-methyl-1-propanol and 2-methylamino in the building repair composition containing the acrylic binder. When the 2-methyl-1-propanol is further included, the present invention has been completed through improved water resistance and water resistance.

In the present invention, the composition may include the 2-amino-2-methyl-1-propanol and 2-methylamino-2-methyl-1-propanol in a weight ratio of 15 to 20: 1, preferably 16 to 20 It may be included in a weight ratio of 1: 1, and more preferably in a weight ratio of 17 to 20: 1.

The 2-amino-2-methyl-1-propanol and 2-methylamino-2-methyl-1-propanol may be included in the composition in an amount of 0.1 to 5 parts by weight.

The present inventors confirmed that the composition can improve water resistance, particularly among the problems to be achieved by the present invention.

In addition, the composition for repairing the building structure containing the acrylic binder may further comprise ethylene glycol, butyl cellosolve (butyl cellosolve), calcium carbonate, titanium dioxide and water.

If the above-described composition has an excellent waterproof and water resistance effect, the present composition is characterized in that the crack resistance is improved. The butyl cellosolve is as described above.

In the present invention, the ethylene glycol (ethylene glycol) means a compound having a CAS number 107-21-1.

In the present invention, the calcium carbonate means a compound having a CAS number of 1317-65-3.

In the present invention, the titanium dioxide means a compound having a CAS number of 13463-67-7.

Specifically, the composition is 0.01 to 5 parts by weight of ethylene glycol, 0,01 to 5 parts by weight of butyl cellosolve, 20 to 50 parts by weight of calcium carbonate, 0.01 to 5 parts by weight of titanium dioxide and 0.01 to 10 parts of water It may include parts by weight.

The inventors came to embody the idea in natural extracts while exploring the composition for improving crack resistance. The present inventors confirmed that when the flaxseed slime or flaxseed slime extract is further included in the composition, the effect of crack resistance is significantly improved. That is, when the acrylic repair-containing composition for building repair includes ethylene glycol, butyl cellosolve, calcium carbonate, titanium dioxide and water, and flaxseed slime or flaxseed slime extract, improved crack resistance The present invention was completed through confirmation.

In the present invention, the flax (flax) is a perennial herb of the dicotyledonous rat Rat Asteraceae, the seeds are flat, long oval, yellowish brown.

The flaxseed mucus in the present invention can be prepared through a variety of methods, for example by scraping the mucus from flaxseed using a scraper (scraper) can be prepared flaxseed mucus.

In the present invention, the flaxseed slime extract may be prepared as follows.

1 g of flaxseed was poured into 50 L of purified water, stirred at 25 ° C. for 5 hours, filtered through a 300 mesh filter cloth, and precipitated by addition of the same amount of alcohol, preferably ethanol, to the filtrate, and then Whatman filter paper, for example, Watts. Bay filter paper NO. After filtration using 5 to dry to obtain a white powder form.

Conventionally, various uses are known as the use of flaxseed, but the effect of improving the crack resistance by including them in a composition for repairing building structures as in the present invention has not been known to date, and studies are insignificant.

Specifically, the composition may include 1 to 10 parts by weight of the flaxseed slime or flaxseed slime extract.

In addition, at least one additive selected from a dispersant, an antifoaming agent, an antimicrobial agent, a preservative, and a cryoprotectant within a range that does not impair the basic physical properties of the building structure repair composition.

In addition, the present invention S1) removing the deterioration of the surface of the building structure; And S2) the crack repairing of the structure may be performed by forming a crack repairing film by applying and drying the building structure repairing composition on the upper surface of the building structure from which the deterioration part is removed.

Hereinafter, the configuration of the present invention and its effects through specific examples and comparative examples will be described in more detail. However, this embodiment is intended to illustrate the present invention in more detail, and the scope of the present invention is not limited to these examples.

Material preparation

Information on the main raw materials used in the building structure repair composition for the following Examples and Evaluation Examples is as follows.

1) Acrylic Binder: Acrylic ester copolymer CAS NO 30445-28-4

2) EVA Binder: Ethylene vinyl acetate CAS NO 24937-78-8

3) Butylcellosolve: CAS NO 111-76-2

4) TEXANOL: CAS NO 25265-77-4

5) Propylene glycol: CAS NO 57-55-6

6) ethylene glycol: CAS NO 107-21-1

Calcium carbonate: CAS NO 1317-65-3

8) titanium dioxide: CAS NO 13463-67-7

9) 2-amino-2-methyl-1-propanol: CAS NO 124-68-5

10) 2-methylamino-2-methyl-1-propanol: CAS NO 27646-80-6

11) Flaxseed Mucus

Flaxseed mucus was obtained by scraping mucus from flaxseed using a scraper.

12) Flaxseed Mucus Extract

1 g of flaxseed was poured into 50 L of purified water, stirred at 25 ° C. for 5 hours, filtered through a 300 mesh filter cloth, and precipitated by adding the same amount of ethanol to the filtrate. Filtration using 5 followed by drying yielded about 0.2 g of a white powder.

Example 1

5 parts by weight of EVA binder, 1 part by weight of butyl cellosolve, 0.5 part by weight of rosin, 0.5 part by weight of texanol, 0.1 part by weight of propylene glycol and other thickening aids, with 30 parts by weight of an acrylic binder and stirring at a speed of 600 rpm. After slowly adding a pH adjuster, etc. in order, 50 parts by weight of calcium carbonate was added thereto and stirred at room temperature for 1 hour at a speed of 300 rpm to prepare a composition for repairing building structures.

Example 2

5 parts by weight of EVA binder, 1 part by weight of butyl cellosolve, 0.5 part by weight of rosin, 0.5 part by weight of texanol, 0.1 part by weight of propylene glycol, 1 part by weight with 30 parts by weight of an acrylic binder and stirring at a speed of 600 rpm. 2-amino-2-methyl-1-propanol, 0.06 parts by weight of 2-methylamino-2-methyl-1-propanol and other thickening aids, pH adjusters, etc. were gradually added in order, and then 50 parts by weight of calcium carbonate, a filler, was added. Put and stirred at room temperature for 1 hour at a speed of 300rpm to prepare a composition for building structure repair.

Example 3

Put 30 parts by weight of the acrylic binder into the mixing agitation vessel and stir at a speed of 600 rpm, followed by 1 part by weight of ethylene glycol, 1 part by weight of butyl cellosolve, 0.5 part by weight of titanium dioxide, 5 parts by weight of water and other thickening aids, and pH adjusting agent. After slowly adding as much as 50 parts by weight of a filler calcium carbonate was stirred at room temperature for 1 hour at a speed of 300rpm to prepare a composition for building structure repair.

Example 4

30 parts by weight of an acrylic binder was added to the mixing agitator and 1 part by weight of ethylene glycol, 1 part by weight of butyl cellosolve, 0.5 part by weight of titanium dioxide, 5 parts by weight of water, 5 parts by weight of flaxseed slime and flaxseed slime extract After slowly adding a mixture and other thickening aids, pH regulators and the like in order to add 50 parts by weight of calcium carbonate filler and stirred at room temperature for 1 hour at a speed of 300rpm to prepare a building construction composition.

Evaluation example 1

After the deterioration part of the civil engineering structure was removed, the crack repair film was formed by coating and drying the composition for repairing the building structures of Examples 1 to 4 on the surface. The adhesive strength, crack resistance and slip resistance of the crack repair film thus obtained and the storage stability of the crack repair agent composition were evaluated based on the test method of the KS standard and KSL 1593, and the results are shown in Table 1 below. In addition, in the case of water resistance, the degree of water absorption inside the crack repair film was evaluated by a five-point scale method. Product X in Table 1 represents a product for repairing the building structure of the building structure of Company B, which is commercially available in Korea, and evaluated it as a comparison target with the compositions of Examples 1 to 4.

TABLE 1

As shown in Table 1, the building structure repair composition of Examples 1 to 4 can be confirmed that the water resistance, water resistance and crack resistance is improved compared to the product X, it is confirmed that there is no problem in storage stability and slip resistance It became. In particular, Examples 1 and 2 in the present invention can be confirmed that the better evaluation in water resistance and water resistance, Examples 3 and 4 can be confirmed that the better evaluation in crack resistance.

The above-described embodiments are for illustrative purposes, and those of ordinary skill in the art to which the above-described embodiments belong may easily change to other specific forms without changing the technical spirit or essential features of the above-described embodiments. I can understand. Therefore, it is to be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope to be protected by the present specification is represented by the following claims rather than the above description, and should be construed to include all changes or modifications derived from the meaning and scope of the claims and their equivalents. .

10: plastic raw material manufacturing apparatus using waste synthetic resin
100: extrusion molded part 110: melting part
120: discharge part 130: extrusion part
200: cooling unit 210: cooling water container
220: feed guide roller 230: support frame
240: foreign material removal unit 250: lifting guide unit
260: vibration generating unit 300: cutting unit
500: elastic support 510: support plate
520: support frame 530: support pillar
540: support frame

Claims (2)

An extrusion molding unit for melting the pulverized waste synthetic resin and extruding it;
A cooling unit installed at a front end of the extrusion molding unit to cool the extrusion molding using cooling water; And
It is installed in front of the cooling unit and includes a cutting unit for cutting the cooled extrusion molding to a predetermined length,
The extrusion molding unit, a melting unit for melting the pulverized waste synthetic resin; A discharging part spaced apart from the upper side of the melting part and configured to suck water vapor or smoke generated from the melting part and discharge it to the outside; And an extrusion part installed at the front end of the melting part and extruding the molten waste synthetic resin to continuously mold the multiple strand extrudate.
The cooling unit may include: a cooling water container installed between the extrusion molding unit and the cutting unit to cool the extruded product being transferred using the cooling water contained in the internal space; A plurality of spaced apart from each other in the longitudinal direction in the upper or inner space of the cooling water container is installed, lifting the extruded product to be transported from the lower side or the extruded material being transported from the lower side so that the conveying direction of the extruded product can be changed in the upper or lower direction A feed guide roller pressed from the upper side; A support frame formed in the shape of a square pillar and seated in a horizontal direction from an upper side of the cooling water container and supporting an upper side or a lower side of the extruded molding being transferred; A foreign material removal unit installed on the distal upper end of the coolant container so that the extruded product exiting the coolant container moves between the brushes of the brush formed in the upward direction and foreign substances attached to the extrudate are swept away; And installed between the cooling water container and the cutting part, and formed to be inclined in the direction of the inlet of the cutting part into which the extruded product located at a position higher than the cooling water container from the end of the cooling water container is inclined to induce lifting of the extruded product. Including an induction part,
The transfer guide roller is installed so as to be exposed to the outside of the upper side of the cooling water container to support the lower side of the extrusion molding to expose the extrudate outside the cooling water, or installed in the inner space containing the cooling water in the cooling water container to the upper side of the extrusion molding To support the extrusion molding to be submerged in the coolant, a plurality of guide grooves formed by circumferentially spaced along the outer circumferential surface is formed in a plurality of spaced apart in the left and right directions so as to maintain the gap between the transporting extrusion molding,
The lifting guide unit, the lifting plate is installed to be inclined in the direction of the inlet opening of the cutting portion from the upper end of the coolant container; A support part installed below the lifting plate to support the lifting plate; A press bar spaced apart from the upper side of the elevating plate and configured to press the extruded product being transferred from the upper side; An inclined feed roller which is installed after the push bar and guides the plurality of extruded moldings to be spaced apart from each other; And a support bar installed after the inclined conveying roller, and configured to elevate the extruded product being conveyed from below.
The cooling unit is installed on one side of the upper side of the coolant container so as to shake off the coolant or foreign matter attached to the extrusion molding, and includes a vibration generating unit for individually shaking the plurality of extruded moldings being transported.
The vibration generating unit, the triangular frame of the right triangular form to form an inclination angle so that the height is lowered toward the cutting unit direction; A fastening groove extending in a longitudinal direction so as to be inclined to correspond to an inclined surface on one side facing the extruded molding being transported in the triangular frame; An upper drive gear installed at an upper portion of the fastening groove to rotate; A lower driving gear installed at the lower portion of the fastening groove to rotate; The upper driving gear and the lower driving gear are connected to and installed in cogs formed in rows along the inner surface, and driven according to the rotation of the upper driving gear or the lower driving gear so that other driving gears can be rotated. A drive belt for connecting; And a plurality of extruded moldings are installed in the drive belt to correspond to the number of extruded moldings spaced apart from each other in a space between the upper drive gear and the lower drive gear, and teeth formed along an outer circumferential surface thereof are formed along an inner surface of the drive belt. A vibration gear having an eccentric support bar which is engaged with the teeth and rotates according to the driving of the drive belt, and is formed from a position spaced apart from the central axis on one side facing the extruded product being transported and has one strand of extruded product seated thereon. Include,
The eccentric support bar, vibrating the extruded molded product seated by the eccentric movement in accordance with the rotation of the vibration gear in the vertical direction, is formed in a different length from the eccentric support bar of the other vibration gear,
The support portion is formed in the shape of a square pillar extending support from the ground in the upward direction; A rotating part connected to the lower side of the elevating plate to be rotatable; And an elastic support part installed on an upper portion of the support pillar to support the pivoting part by using an elastic force.

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