KR20140020392A - Machine for manufacturing raw-material chip to recycle wasted plastic - Google Patents

Abstract

The present invention relates to a machine for manufacturing a raw-material chip to recycle waste synthetic resins which can make a recyclable raw-material chip, in order to recycle PVC resins which polyvinyl chloride (PVC) sheet and reinforcing fibers such as polyester, nylon etc. are laminated, by primary grinding waste synthetic resins in a primary grinder, triturating the primary ground product in a secondary grinder in order for thermoplastics and reinforcing materials to be evenly mixed and whereby the evenly mixed secondary ground product is agglomerated by heat, and constantly grinding the secondary ground product agglomerated in a third grinder in a perforated size.

Description

MACHINE FOR MANUFACTURING RAW-MATERIAL CHIP TO RECYCLE WASTED PLASTIC}

The present invention is to firstly pulverize the waste synthetic resin in the first mill, to recycle the PVC synthetic fibers (waste synthetic resin) containing a sheet of PVC (polyvinyl chloride) and reinforcing fibers such as polyester or nylon, The first mill is ground in the mill so that the thermoplastic resin and the reinforcing fibers are evenly mixed, the second mill is evenly mixed by heat, and the second mill in the third mill is uniformly sized to the pore size. The present invention relates to a raw material chip manufacturing apparatus for recycling waste synthetic resin that can be pulverized to produce recycled raw material chips.

Korean Patent No. 10-0510931 (registered on August 20, 2005) introduces a "recycled sheet using waste PVC leather containing fibers".

The recycled sheet using the waste PVC leather containing the fiber is manufactured by molding a waste resin composition containing 3 to 50 parts by weight of plasticized PVC in 100 parts by weight of the waste PVC leather crushed product containing the fiber.

However, Patent No. 10-0510931 mentions only waste PVC leather pulverization, and there is no description of an apparatus for producing waste PVC leather pulverization.

Accordingly, an object of the present invention is to firstly crush the waste synthetic resin in a screw shaft type first mill and recycle the first milled mill in a second mill to recycle the waste synthetic resin in which thermoplastic resin and reinforcing fiber are combined. After grinding, the thermoplastic resin and the reinforcing fiber are mixed evenly, and the evenly mixed secondary crushed material is agglomerated again by heat, and the secondary crushed material is uniformly pulverized in the third crusher to make the recycled raw material chip. It is to provide a raw material chip manufacturing apparatus for recycling the waste synthetic resin.

The raw material chip manufacturing apparatus for recycling the waste synthetic resin according to the present invention for achieving the above object is the primary mill and the secondary mill are arranged in a row on the table, the outlet of the primary mill and the inlet of the secondary mill Connected to, and the tertiary mill is disposed below the outlet of the secondary mill, so that the waste synthetic resin in which the thermoplastic resin and the reinforcing fibers are combined is supplied to the primary mill through the first hopper, and then pulverized by the screw shaft of the primary mill. Transfer to the second grinder, the first crushed ground is ground in the second mill, the thermoplastic resin and reinforcing fibers are evenly mixed, the falling method in the state in which the secondary grounds are agglomerated by the heat generated during the grinding process Supplied to the second hopper of the tertiary mill, and the agglomerated mass is pulverized again in the tertiary mill, and passes through an inner cylinder formed in the form of a perforated network of the tertiary mill. It characterized in that the discharge to the outside.

In addition, the raw material chip manufacturing apparatus for recycling the waste synthetic resin according to the invention is characterized in that it further comprises a cyclone connected to the suction port by the outlet and the connection tube of the tertiary mill.

The primary mill has a screw shaft rotatably disposed inside the body housing, the screw shaft is composed of a first screw shaft and a second screw shaft, the power of the first motor is transmitted to the first screw shaft through the pulley. The drive gear of the first screw shaft and the driven gear of the second screw shaft are interlocked so that the second screw shaft rotates together with the first screw shaft, and the water jacket surrounds the main body housing, thereby cooling the water jacket. It is characterized in that to absorb the heat generated in the process of the waste synthetic resin is crushed by the first and second screw shaft.

The secondary mill has a fixed grinding barrel connected to the main housing of the primary grinder, a square shaft is connected to the tip of the first screw shaft, the square shaft is disposed at the center of the fixed main cylinder, the square shaft of the movable member By being fitted into the square groove formed in the longitudinal direction at the tip of the cone-shaped portion, the movable member is rotated by the square shaft, the cylindrical portion of the movable member is connected to the slider by the ring bearing holder, and the movable member is rotated relative to the slider. One end of the rack gear is connected to the bracket mounted on the lower part of the slider, and the other end of the rack gear is movably supported by the gear box, so that the slider moves forward and backward along the guide member toward the fixed pulverization container by the rack gear. And the rack gear is advanced back and forth by the pinion gear, and the pinion gear is connected by the drive shaft and the chain of the motor.

The fixed grinding barrel is characterized in that the concave-convex portion is formed on the inner circumferential surface, the inner circumferential surface is tapered so as to increase the inner diameter from the inlet to the outlet toward the cone-shaped portion of the movable member.

The tertiary grinder has an inner cylinder formed in the form of a perforated network inside the outer cylinder equipped with a hopper in the inlet, a rotary cutter is disposed in the inner cylinder, and the secondary crushed product in the form of lumps introduced through the hopper is rotated by the rotary cutter. It is characterized in that the third crushed is discharged through the perforation of the inner cylinder.

As a result, the raw material chip manufacturing apparatus for recycling the waste synthetic resin according to the present invention is primarily pulverized the waste synthetic resin in which the thermoplastic resin and the reinforcing fiber are combined, and the first pulverized pulverized product is ground to uniform the thermoplastic resin and the reinforcing fiber. To be mixed, evenly mixed secondary pulverized by the heat again, the secondary pulverized in the tertiary crusher is uniformly crushed to the size of the perforation has the effect of making a recycled raw material chip.

1 is a perspective view showing the main part of the raw material chip manufacturing apparatus for recycling the waste synthetic resin according to the present invention
1 is a configuration diagram schematically showing a raw material chip manufacturing apparatus for recycling waste synthetic resin according to the present invention
3 is a cross-sectional view taken along line AA of FIG. 2 showing a primary mill;
Figure 4 is a schematic view showing a secondary mill
FIG. 5 is an exploded perspective view illustrating a structure in which a movable member mounted to a slider is fitted to a fixed grinding container of a secondary grinder; FIG.
6 is an enlarged detailed view showing the fixed grinding container;
7 is a cross-sectional view showing a tertiary mill;

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

1 and 2, in the raw material chip manufacturing apparatus for recycling the waste synthetic resin according to the present invention, the primary grinder 100 and the secondary grinder 200 are arranged in a line on the table 50, and thus the primary The outlet 114 of the crusher 100 is connected to the inlet 212 of the secondary crusher 200, the tertiary crusher 300 is disposed below the outlet 214 of the secondary crusher 200, the thermoplastic resin When the waste synthetic resin (not shown) in which the reinforcing fibers are combined is supplied to the primary grinder 100 through the first hopper 90, the secondary synthetic resin is crushed by the screw shaft 120 of the primary grinder 100. The pulverized material which is transferred to the pulverizer 200 and the first pulverized crushed product is pulverized in the second pulverized machine 200, the thermoplastic resin and the reinforcing fiber are mixed evenly, and the secondary pulverized material is agglomerated by the heat generated during the crushing process. State is supplied to the second hopper 310 of the tertiary crusher 300 in a dropping manner, the aggregated mass is the third Is again ground in a group (300), through the inner tube 330 formed of a perforated cores in the form of a tertiary crusher 300 is discharged to the outside.

In the raw material chip manufacturing apparatus for recycling the waste synthetic resin according to the present invention, the outlet 325 of the tertiary crusher 300 and the inlet 411 of the cyclone 400 is connected by a connection tube 410.

As a result, the tertiary pulverized product in pellet form is supplied to the cyclone 400 by the suction force of the cyclone 400, and the dust and the tertiary pulverized product are separated from the cyclone 400.

2 and 3, the primary grinder 100 has a screw shaft 120 rotatably disposed inside the body housing 110, and the screw shaft 120 has a first screw shaft 121. And a second screw shaft 125, the power of the first motor 130 is transmitted to the first screw shaft 121 through the pulley 135, and the drive gear 122 of the first screw shaft 121. ) And the driven gear 126 of the second screw shaft 125 are interlocked so that the second screw shaft 125 is rotated together with the first screw shaft 121, and the water jacket 140 is wrapped, the cooling water of the water jacket 140 absorbs the heat generated in the process of the waste synthetic resin is crushed by the first and second screw shaft (121, 125).

The spiral screw cutting blade 123 formed on the first screw shaft 121 and the spiral screw cutting blade 127 formed on the second screw shaft 125 are disposed closely to each other, and the second screw shaft 125 is disposed. A plurality of cutouts 128 are formed on the screw cutting edge 127 of the.

As a result, the primary grinder 100 finely grinds the waste synthetic resin supplied through the first hopper 90 so that the screw shaft 120 is easily ground.

4 to 6, the secondary grinder 200 has a fixed grinder 210 connected to the main housing 110 of the primary grinder 100 (see FIG. 2), and the first screw shaft 121. Square shaft 220 is connected to the front end of the square, the square shaft 220 is disposed in the center of the fixed main cylinder 210, the square shaft 220 of the cone-shaped portion 231 of the movable member 230 By being inserted into the square groove 232 formed in the longitudinal direction at the tip, the movable member 230 is rotated by the square shaft 220, the cylindrical portion 235 of the movable member 230 is ring bearing holder 240 Connected to the slider 250, the movable member 230 may be rotated relative to the slider 250, and one end of the rack gear 265 may be mounted to a bracket 260 mounted to the lower portion of the slider 240. Is connected, and the other end of the rack gear 265 is movably supported by the gear box 270, so that the slider 250 is fixed along the guide member 280 by the rack gear 265 to the fixed grinding container 210 side. And the rack gear 265 is moved forward and backward by the pinion gear 285, the pinion gear 285 is connected by the drive shaft 291 and the chain 295 of the motor 290.

4 and 6, the fixed pulverization cylinder 210 has an uneven portion 211 formed on an inner circumferential surface thereof, and has an outlet opening at the inlet 212 corresponding to the cone-shaped portion 231 of the movable member 230. The inner circumferential surface is tapered to increase the inner diameter toward the side 214).

The cutting edge 233 is formed around the cone-shaped portion 231 of the movable member 230.

The secondary grinder 200 configured as described above operates as follows.

The primary pulverized material supplied from the primary crusher 100 to the fixed pulverization cylinder 210 passes through the fixed pulverization cylinder 210 by a force pushed by the screw shaft 120 of the primary pulverizer 100. At this time, the square shaft 220 connected to the first screw shaft 121 is fitted in the square groove 232 of the cone-shaped portion 231, the cone-shaped portion 231 by the rotational force of the first screw shaft 121. When the primary pulverized product is forcibly transported between the fixed pulverization cylinder 210 and the cone-shaped portion 231, the primary pulverized product is crushed by the rotation of the cone-shaped portion 231. By the heat generated in the process of grinding the primary crushed powder is crushed secondary pulverized discharged along the grooves 212 of the uneven portion 211 formed in the fixed crushing container 210 is agglomerated again, in the aggregated state 3 Drop into the car crusher.

Here, according to the components of the synthetic resin, such as PVC, polyester or nylon, PET, EVA or the gap between the fixed pulverization cylinder 210 and the cone-shaped portion 231 is not good grinding or the conveying speed of the pulverized product is too fast The rack gear 265 is pulled out of the gear box 270 by the pinion 285, and the slider 250 is pushed in the direction of the arrow 252 of FIG. 4, whereby the cone shape portion 231 of the movable member 230 is moved. ) Is further entered into the fixed pulverization cylinder 210, the gap between the fixed pulverization cylinder 210 and the cone-shaped portion 231 is reduced. Thereby, the grinding | pulverization rate of a crushed material can be raised, or the conveyance speed of a crushed material can be slowed. And, in the reverse case, the cone-shaped portion 231 of the movable member 230 comes out of the fixed grinding cylinder 210, so that the gap between the fixed grinding cylinder 210 and the cone-shaped portion 231 can be increased. .

As such, by controlling the speed of grinding by the secondary mill 200 according to the components of the mill or the transport speed of the mill, the thermoplastic resin and the reinforcing fibers may be uniformly mixed and then aggregated again.

Referring to FIG. 7, the tertiary grinder 300 has an inner cylinder 330 formed in a perforated network in the inside of the outer cylinder 320 in which the hopper 310 is mounted in the inlet 321, and the inner cylinder 330 of the third grinder 300 is disposed. The rotary cutter 340 is disposed therein, and the secondary crushed product in the form of lumps introduced through the hopper 310 is pulverized by the rotary cutter 340 to be discharged through the perforations 332 of the inner cylinder 330. .

As a result, since the tertiary pulverized product pulverized by the rotary cutter 340 is supplied to the cyclone 400 through the perforations 332, a raw material chip having a constant size that can recycle the synthetic resin can be made.

100: first grinder 200: second grinder
300: tertiary shredder 400: cyclone

Claims (6)

The primary grinder 100 and the secondary grinder 200 are arranged in a row on the table 50, so that the outlet 114 of the primary grinder 100 is connected to the inlet 212 of the secondary grinder 200. The tertiary mill 300 is disposed under the outlet 214 of the second mill 200 so that the waste synthetic resin, in which the thermoplastic resin and the reinforcing fibers are combined, is transferred to the first mill 100 through the first hopper 90. When supplied, it is transferred to the secondary grinder 200 while being crushed by the screw shaft 120 of the primary grinder 100, and the first pulverized crushed product is ground in the secondary grinder 200, thereby reinforcing with the thermoplastic resin. The fibers are evenly mixed and supplied to the second hopper 310 of the tertiary crusher 300 in a dropping manner in a state in which the secondary crushed material is agglomerated by the heat generated in the grinding process, and the lumped mass is fed to the third pulverizer ( It is crushed again at 300, and discharged to the outside through the inner cylinder 330 formed in the form of a perforated network of the tertiary crusher 300 Raw material chip manufacturing apparatus for recycling the waste synthetic resin characterized in that.
The method of claim 1,
Raw material chip manufacturing apparatus for recycling the waste synthetic resin, characterized in that it further comprises a cyclone 400 is connected to the inlet 411 by the outlet 325 and the connection tube 410 of the third mill 300.
The method of claim 1,
The primary grinder 100 has a screw shaft 120 rotatably disposed inside the body housing 110, and the screw shaft 120 is connected to the first screw shaft 121 and the second screw shaft 125. The power of the first motor 130 is transmitted to the first screw shaft 121 through the pulley 135, the drive gear 122 and the second screw shaft 125 of the first screw shaft 121 Driven gear 126 is interlocked, the second screw shaft 125 is rotated with the first screw shaft 121, the water jacket 140 is wrapped around the body housing 110, the water jacket ( The raw material chip manufacturing apparatus for recycling the waste synthetic resin, characterized in that the cooling water of 140) absorbs the heat generated in the process of crushing the waste synthetic resin by the first and second screw shaft (121, 125).
The method of claim 1,
The secondary grinder 200 has a fixed grinding cylinder 210 is connected to the main housing 110 of the primary grinder 100, the square shaft 220 is connected to the front end of the first screw shaft 121, The square shaft 220 is disposed at the center of the fixed main cylinder 210, and the square shaft 220 is inserted into the square groove 232 formed in the longitudinal direction at the tip of the cone-shaped portion 231 of the movable member 230. As a result, the movable member 230 is rotated by the square shaft 220, the cylindrical portion 235 of the movable member 230 is connected to the slider 250 by the ring bearing holder 240, and the movable member ( 230 may be rotated relative to the slider 250, one end of the rack gear 265 is connected to the bracket 260 mounted to the bottom of the slider 240, and the other end of the rack gear 265 is geared. It is movably supported by the box 270 so that the slider 250 can be advanced back and forth along the guide member 280 toward the fixed pulverization cylinder 210 by the rack gear 265, the rack gear 265 is A raw material chip manufacturing apparatus for recycling waste synthetic resin, characterized in that the pinion gear (285) is advanced back and forth, the pinion gear (285) is connected by a drive shaft (291) and a chain (295) of the motor (290).
5. The method of claim 4,
The fixed grinding barrel 210 has an uneven portion 211 is formed on the inner circumferential surface, the inner circumference so that the inner diameter increases toward the outlet 214 from the inlet 212 to correspond to the cone-shaped portion 231 of the movable member 230 Raw material chip manufacturing apparatus for recycling the waste synthetic resin characterized in that the tapered.
The method of claim 1,
The tertiary grinder 300 has an inner cylinder 330 formed in a perforated network inside the outer cylinder 320 in which the hopper 310 is mounted in the inlet 321, and the rotary cutter 340 in the inner cylinder 330. ) Is disposed, the waste synthetic resin characterized in that the secondary crushed product in the form of lumps injected through the hopper 310 is pulverized by the rotary cutter 340 and discharged through the perforations 332 of the inner cylinder 330. Raw material chip manufacturing apparatus for recycling.

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