KR100698530B1 - Apparatus for manufacturing scrapped plastic chip - Google Patents

Abstract

A waste synthetic resin chip manufacturing device is provided to continuously supply waste synthetic resin chips with similar properties to a conduit molding machine by producing the waste synthetic resin in a chip form in advance and to mix the chips produced according to each property, at the exact ratios. The waste synthetic resin chip manufacturing device is composed of a melting extruder(100) for receiving, transferring, and extruding the crushed waste synthetic resin; a contact plate(200) having one surface fixed to an outlet of the melting extruder and a plurality of branch holes perforated to branch off the transferred and extruded waste synthetic resin liquid; a cooling plate(300) fixed to the other side of the contact plate with coming into contact with the contact plate and composed of ejection holes communicating with the branch holes of the contact plate, respectively and a cooling passage circulating through a gap between the ejection holes; and a perforated cutter(400) reciprocating within a predetermined section with coming into contact with the cooling plate and continuously cutting the waste synthetic resin solidified through the cooling plate and discharged through the ejection holes, in the predetermined length.

Description

Apparatus for manufacturing scrapped plastic chip

1 is a view schematically showing the configuration of a conduit molding apparatus using a conventional waste synthetic resin.

Figure 2 is a cross-sectional view showing the configuration of the waste synthetic resin chip manufacturing apparatus according to the present invention.

Figure 3 is a cross-sectional view and front view of the contact plate constituting the present invention.

Figure 4 is a cross-sectional view showing a state in which the porous cutter is coupled to the cooling plate constituting the present invention.

FIG. 5 is a view from the direction “A” of FIG. 4; FIG.

Figure 6 is a front view of the porous cutter constituting the present invention.

7 is a view showing the initial position state of the porous cutter is installed in the porous cutter constituting the present invention.

8A and 8B are views showing a state in which the porous cutter constituting the present invention is moved forward / backward according to the operation of the drive cylinder.

9 is a view showing the initial position state of the porous cutter in a state where the cam member is installed on one side of the porous cutter constituting the present invention.

<Explanation of symbols for the main parts of the drawings>

100 ... melt extruder 140 ... heater

200 ... Contact plate 210 ... Branch hole

300 ... cooling plate 310 ... discharge hole

320 ... cooling euro 400 ... porous cutter

410 Cutter Ball 420 Guide Rail

500 ... driving cylinder 600 ... cam member

A1 ... 1st cutter hole area A2 ... 2nd cutter hole area

According to the present invention, before the conduit forming apparatus is supplied, the waste synthetic resin is formed in the form of a chip in advance, and various waste synthetic resins supplied to the conduit forming apparatus for the waste synthetic resin are supplied by similar characteristics, or waste synthetic resins having different characteristics are each uniform in proportion. It relates to a waste synthetic resin chip manufacturing apparatus that can be injected.

Generally, waste synthetic resins discarded at industrial sites are buried or incinerated, causing pollution to the surrounding environment. When the waste synthetic resin is buried, it does not rot or decompose in the soil, which causes the soil to be depleted, and when it is incinerated, various harmful gases are emitted, causing serious air pollution. In particular, in recent years, incineration of waste synthetic resins is known to release a deadly toxin called dioxin.

As one of the active recycling treatment methods for such waste synthetic resins, a "conduit forming apparatus using waste synthetic resins" filed in 2001 by the present applicant (Application No.:10-2001-21530) is known.

As shown in Figure 1, the conduit forming apparatus using the waste synthetic resin is finely pulverized waste synthetic resin discarded in the industrial site to form a chip, and then melted and extruded as a device for manufacturing a conduit through press molding And a melt extruder 2 for supplying a mold 1 for forming a conduit, a finely crushed waste synthetic resin through a hopper H, and transporting and extruding it through an extrusion screw 2a installed therein; A melt injector 3 for extruding the waste synthetic resin melt transferred from the extruder 2 into the mold 1, and an ejector 4 for extracting the conduit formed by solidifying the waste synthetic resin melt injected into the mold 1. ) And a conveyor (5) for carrying out the drawn conduit.

The conventional conduit forming apparatus using waste synthetic resin is used waste synthetic resin as raw materials, which is thrown away at the industrial site, causing environmental pollution. Therefore, it is possible to prevent environmental pollution and greatly reduce the production cost according to the purchase of raw materials. It is easy to mold and the entire production process is automated, which greatly improves productivity.

However, in the conventional conduit forming apparatus using waste synthetic resin, the waste synthetic resins injected into the melt extruder 2 through the hopper H are randomly supplied regardless of the type (characteristic) of the synthetic resin so that the quality of the final conduit can be improved. The problem of deterioration arises.

That is, when various waste synthetic resins introduced into the melt extruder 1 cannot be selectively inputted by characteristics such as melting point, thermal expansion coefficient, viscosity, or the like, each of the waste synthetic resins having different characteristics cannot be introduced at a uniform ratio. According to other characteristics, each waste synthetic resin is not evenly kneaded in the course of passing through the melt extruder, so that bubbles, peeling, and agglomeration may occur during molding, and these phenomena may cause deterioration of overall quality including durability of the conduit. Will be.

The present invention has been made to solve the above problems, the waste to form the waste synthetic resin in the form of chip in advance so that the various waste synthetic resin to be introduced into the conduit forming apparatus when the conduit is manufactured by similar characteristics or in a uniform ratio An object is to provide a synthetic resin chip manufacturing apparatus.

In order to achieve the above object, the present invention is a melt extruder for supplying finely pulverized waste synthetic resin to melt and convey extrusion; An adhesion plate having one side fixed to the outlet end of the melt extruder and having a plurality of branching holes formed therethrough for branching the conveyed extruded waste synthetic resin solution; A cooling plate fixed to the other side of the contact plate, the cooling plate including discharge holes communicating one-to-one with the branch holes of the contact plate and a cooling passage circulating between the discharge holes; And a porous cutter for continuously cutting the waste synthetic resin discharged through the discharge holes in a solid state through the cooling plate and installed to be reciprocally moved in a state in close contact with the cooling plate. do.

The porous cutter includes a first cutter hole region formed of cutter holes formed in one-to-one correspondence with the discharge holes of the cooling plate to maintain the one-to-one correspondence with the discharge holes even in the reciprocating state. It has a second cutter hole area composed of extra cutter holes formed adjacent to the hole area.

Meanwhile, guide rails for guiding both sides of the porous cutter are attached to both ends of the cooling plate, and the porous cutter has a reciprocating movement force for sliding movement through a driving cylinder provided at one side of the porous cutter in a state where both ends are fitted to the guide rail. It may be configured to be given, it may be configured to receive a reciprocating movement force to be slidably movable through the cam member provided on one side of the movable plate in the state that both ends are fitted to the guide rail.

In addition, a heater for melting the cooled waste synthetic resin remaining in the branch holes of the contact plate and the discharge holes of the cooling plate is further installed at the outer side of the contact plate and the cooling plate to operate simultaneously with the operation of the melt extruder.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, the terms or words used in the present specification and claims are defined in the technical spirit of the present invention on the basis of the principle that the inventor can appropriately define the concept of the term in order to explain his invention in the best way. It must be interpreted to mean meanings and concepts.

As shown in FIG. 2, the apparatus for manufacturing waste synthetic resin chips according to the present invention is supplied with a melt-extruded finely pulverized waste resin and melted and extruded and extruded, and one side of the melt-extruder 100 is in close contact with an outlet end. Cooling plate 200 for branching the fixed and transported extruded waste resin liquid, and cooling the waste synthetic resin liquid passed through the contact plate 200 and fixed to the other side of the contact plate 200 to discharge to the outside While being in close contact with the plate 300 and the cooling plate 300, it is possible to reciprocate for a certain period. It consists of a porous cutter 400 for continuously cutting the waste synthetic resin discharged through the discharge holes in a solidified state through the cooling plate.

The melt extruder 100 is a general extruder, the extruder main body 110, a heater 120 for heating the extruder main body 110, and a hopper for supplying waste synthetic resin pieces into the extruder main body 110 ( H) and the waste synthetic resin melt inside the extruder body 110 melted by the heater 120 while being rotated by receiving a driving force from the motor M installed in the extruder body 110 and installed outside the extruder body 110. It consists of a pair of extruded screw 130 to transfer to one side.

As shown in FIG. 3, the contact plate 200 is firmly fixed with a bolt in a state in which one side is in close contact with the outlet end of the melt extruder 100. A plurality of branch holes 210 for branching the conveyed extruded waste synthetic resin through the front of the contact plate 200 is formed in the fitting hole 220, the shaft end of the extrusion screw 130 of the melt extruder 100 is fitted Is formed.

As shown in FIGS. 4 and 5, the cooling plate 300 closely coupled to the other side of the contact plate 200 is discharged in one-to-one communication with the branch holes 210 of the contact plate 200 on the front surface. The holes 310 are formed, and the cooling passage 320 is disposed to circulate between the discharge holes 310.

Particularly, the discharge holes 310a and 310b in the moving direction of the porous cutter 400 are formed at the same interval among the discharge holes 310.

As shown in FIG. 6, the porous cutter 400 is a plate-shaped member that reciprocates a predetermined section by receiving power from the outside, and has a one-to-one correspondence to the discharge hole 310 of the cooling plate 300 on its front surface. A first cutter hole area A1 formed of the cutter holes is provided.

In addition, the front surface of the porous cutter 400 is adjacent to the first cutter hole area A1 so that the one-to-one correspondence with the discharge holes 310 can be maintained even when the porous cutter 400 is reciprocated. The second cutter hole area A2 is formed.

The second cutter hole area A2 is formed of the first row and the rearmost row of the cutter holes forming the boundary of the first cutter hole area A1, which are located at the very front with respect to the moving direction of the porous cutter 400. Comprising the cutter holes 410b and 410c and the spare cutter holes 410a and 401d that correspond one-to-one, and the cutter holes 410a and 401d are the first and rear rows of the first cutter hole area A1. From the cutter holes 410b and 401c of the first cutter hole region A1 formed in the moving direction of the porous cutter 400 so as to be spaced apart from each other at the same interval.

On the other hand, the both ends of the cooling plate 300 is preferably attached to the guide rails 420 formed along the moving direction of the porous cutter 400 to guide both sides of the moving porous cutter 400.

As shown in FIG. 7, the porous cutter 400 may be configured to receive a reciprocating movement force through a driving cylinder 500 provided at one side in a state where both ends are fitted to the guide rail 420. In this case, the driving cylinder 500 is a cylinder body 510 positioned in parallel with the guide rail 420 on one side of the porous cutter 400, and one end is attached to one side of the porous cutter 400. In the cylinder body 510 is composed of a cylinder rod 520 which is operated to withdraw or withdraw.

When the outlet of the melt extruder 100 is faced, when the porous cutter 400 is configured to reciprocate in the vertical direction, as shown, the guide rail 420 and the driving cylinder 500 are You can install it vertically.

And, if you want to configure the porous cutter 400 to reciprocate in the left and right direction when the outlet of the melt extruder 100 to the front, the guide rail 420 and the driving cylinder 500 is installed in a horizontal state Just do it.

On the other hand, as shown in Figure 9, the porous cutter 400 is reciprocating to be slidably movable through the cam member 600 provided on one side of the porous cutter 400 in a state where both ends are fitted to the guide rail 420. It may be configured to be given a moving force. In this case, the cam member 600 is fixed to one side of the porous cutter 400, the bracket 620 having a pair of support portions parallel to the guide rail 420 in the vertical direction, and the bracket 620 The cam 610 is disposed between the supports and repeatedly pushes the supports positioned on both sides while eccentrically rotating itself apart from the porous cutter 400.

If, when the outlet of the melt extruder 100 to the front to configure the porous cutter 400 to reciprocate in the vertical direction, as shown, the guide rail 420 is installed and driven in a vertical state The cylinder 500 may be installed in a horizontal state.

And, when the outlet of the melt extruder 100 to the front, when the porous cutter 400 is to be configured to reciprocate in the left and right direction, the guide rail 420 is horizontal to the upper and lower ends of the porous cutter 400 The cam member 600 may be installed side by side in a vertical state on one side of the porous cutter 400.

The moving direction of the porous cutter 400 may be freely selected in consideration of the efficiency and space of the apparatus.

On the other hand, the outer side of the close contact plate 200 and the cooling plate 300 is operated simultaneously with the operation of the melt extruder 100, the branch holes 210 of the close contact plate 200 and the discharge hole 310 of the cooling plate 300 Heater 140 is further provided for melting the solidified waste synthetic resin remaining in the).

The waste synthetic resin chip manufacturing apparatus according to the present invention having such a configuration is firmly fixed by bolting the contact plate 200 to the outlet end of the melt extruder 100 and then cooling plate 300 to the other side of the contact plate 200. ), And both ends of the porous cutter 400 is inserted into the guide rail 420 installed on the cooling plate 300 to complete the assembly. In this case, the porous cutter 400 is waited at a position where the first cutter hole area A1 cutter holes 410 are in a one-to-one correspondence state to completely open all the discharge holes 310 of the contact plate 200.

The operation of the waste synthetic resin chip manufacturing apparatus according to the present invention assembled as described above is as follows.

First, when power is applied to the melt extruder 100, while the heater 120 installed in the extruder main body 110 is operated, the extruder main body 110 is heated and at the same time the outer side of the close contact plate 200 and the cooling plate 300 While the heater 140 is installed, the close plate 200 and the cooling plate 300 are heated.

When the extruder main body 110 is heated to a predetermined temperature or more, waste synthetic resin pieces are introduced into the extruder main body 110 through the hopper H. The waste synthetic resin pieces introduced into the melt extruder 100 are transported and extruded to the outlet of the melt extruder 100 while being gradually melted by the heater 120 installed in the extruder body 110 while being agitated by the extrusion screw 130.

The waste synthetic resin liquid conveyed to the outlet of the melt extruder 100 is divided into a plurality of parts through the branch holes 210 of the contact plate 200 installed at the outlet end of the cooling plate 300 via the contact plate 200. It passes through the discharge hole (310). In this case, the cutter holes 410b and 410c constituting the first cutter hole area A1 formed in the porous cutter 400 are in the air in the state in which the discharge holes 310 of the cooling plate 300 are completely opened. The waste synthetic resin liquid that has passed through the discharge hole 310 of 300 is discharged to the outside through the cutter hole 410 without any interference.

At this time, the waste synthetic resin liquid is appropriately cooled and solidified by the cooling passage 320 disposed between the discharge holes 310 in the process of passing through the discharge hole 310, and the waste passing through the discharge hole 310 as described above. The reason for solidifying the synthetic resin liquid is to ensure that the appropriate strength is secured to the waste synthetic resin liquid so that the cutting can be easily performed, and after cutting, to prevent the fusion between them while maintaining the appearance of the chip. Therefore, when the cutting is made, it is possible to obtain a waste synthetic resin chip having a predetermined length having the same cross section as that of the discharge hole 310.

Solidified waste synthetic resin is continuously cut by the reciprocating movement of the porous cutter (400). In this case, the porous cutter 400 may be given a moving force through various driving means.

When the driving cylinder 500 is employed as the driving means, the porous cutter 400 has the cylinder rod 520 of the driving cylinder 500 installed in parallel with the direction in which the guide rail 420 is formed. By sliding or pulling one side of the guide rail 420 can be reciprocated sliding a certain section.

In addition, when the cam member 600 is employed as the driving means, the porous cutter 400 is the cam 610 is rotated eccentrically between the support of the bracket 620 installed in a direction perpendicular to the direction in which the guide rail 420 is formed. By repeatedly pushing the brackets 620 on both sides continuously, sliding can be reciprocated for a certain period along the guide rail 420.

The following describes a process in which waste synthetic resins exiting the discharge holes 310 of the cooling plate 300 are continuously cut through the porous cutter 400.

As shown in FIG. 8A, first, when the solidified waste synthetic resin exits the cutter hole 410 of the porous cutter 400 via the discharge hole 310 of the cooling plate 300, the porous cutter 400 is guide rail ( 420) moves forward a certain distance. In this case, the distance that the porous cutter 400 moves forward is equal to the distance between the centers of the discharge holes 310a and 310b in the direction in which the porous cutter 400 is moved among the discharge holes 310 formed in the cooling plate 300. .

When the porous cutter 400 moves forward, the cutter holes 410b and 410c of the first cutter hole area A1 pass through the discharge hole 310 of the cooling plate 300 to correspond to the discharge hole 310. Instantly cut the solidified waste plastics that pass through and are exposed to the outside. In this way, waste synthetic resin chips having a predetermined cross-section of the discharge hole 310 can be obtained.

At this time, the cutter hole 410d constituting the second cutter hole area A2 is the first cutter hole formed in the moving direction of the porous cutter 400 from the rearmost cutter hole 410c of the first cutter region A1. Since the two cutter holes 410b and 410c adjacent to each other in the area A1 are formed at the same interval, the first cutter hole area A1 and the second cutter hole are moved even when the porous cutter 400 is moved forward. The one-to-one correspondence with the discharge holes 310a and 310b is maintained through the cutter holes 410c and 410d in the area A2.

As such, when the primary cutting is completed, the waste synthetic resin is discharged again through the discharge holes 310, and then the porous cutter 400 reversely moves to return to the initial position to secondary cut the discharged waste synthetic resin. At this time, the principle of cutting the discharged waste synthetic resin is the same as the principle of cutting the discharged waste synthetic resin while the porous cutter 400 moves forward.

When the secondary cutting is completed as described above, new waste synthetic resin chips are obtained, and the third cutter is made while the porous cutter 400 moves back again. As shown in FIG. 8B, the porous cutter 400 is Even in the backward movement state, the cutter holes 410a and 410b of the first cutter hole area A1 and the second cutter hole area A2 also maintain one-to-one correspondence with the discharge holes 310a and 310b. do.

When the tertiary cutting is completed, the porous cutter 400 performs the fourth cutting while moving forward and obtains new waste synthetic resin chips. When the fourth cutting is completed, the porous cutter 400 is returned to the initial position.

As described above, four cycles of cutting operations are performed in one cycle, and the porous cutter 400 reciprocates a predetermined section to produce a plurality of waste synthetic resin chips of the same standard within a short time.

In addition, the porous cutter 400 is operated after the solidified waste synthetic resin exits the cutter hole 410 and then waits for a predetermined time, and this waiting time is at a speed at which the waste synthetic resin exits the cutter hole 410. Differently set according to the same conditions, varying the moving speed of the porous cutter 400 can obtain a chip of various lengths.

Meanwhile, according to the present invention, when the operation of the apparatus is stopped, the waste synthetic resin that has not been discharged remains in the branch hole 210 of the contact plate 200 and the discharge hole 310 of the cooling plate 300. In this state, when a predetermined time passes, the waste synthetic resin filling the branch hole 210 and the discharge hole 310 solidifies and hardens. The heater 140 installed outside the contact plate 200 and the cooling plate 300. ) Is operated simultaneously with the operation of the melt extruder 100, so that the solid synthetic resin remaining in the branch hole 210 and the discharge hole 310 is prevented from being discharged into the discharge hole 310 by the solidified waste resin. You can prevent it.

By using the waste synthetic resin chip manufacturing apparatus according to the present invention, it is possible to obtain a large amount of waste synthetic resin chips of the same standard in a short time, a consistent material by continuously supplying the obtained chips to the waste synthetic resin conduit molding apparatus A conduit of stable quality can be obtained.

In addition, since the completed waste synthetic resin chips are already first kneaded while passing through the melt extruder 100, they are then supplied to a conduit forming apparatus and show very good kneading in the process of melting.

In addition, when it is possible to mass-produce waste synthetic resin as chips as described above, it is possible to mix the chips produced for each characteristic at an accurate ratio and to feed them into the conduit forming apparatus.

According to the waste synthetic resin chip manufacturing apparatus of the present invention configured as described above, it is possible to continuously supply waste synthetic resin chips having similar characteristics in the subsequent conduit forming process by producing the waste synthetic resin in the form of chips in a continuous manner. In addition, since chips manufactured by each property can be mixed and supplied at an accurate ratio, waste synthetic resins having different characteristics can be supplied unevenly to prevent bubbles, peeling, and agglomeration from occurring in the formed conduit, while preventing conduits. The overall quality of the effect is improved.

While the invention has been shown and described with respect to specific embodiments thereof, it will be understood that the invention can be variously modified and modified without departing from the spirit or scope of the invention as set forth in the following claims. It should be included in the scope of the invention.

Claims (5)

A melt extruder for supplying finely pulverized waste synthetic resin to melt and convey extrusion; An adhesion plate having one side fixed to the outlet end of the melt extruder and having a plurality of branching holes formed therethrough for branching the conveyed extruded waste synthetic resin solution; A cooling plate fixed to the other side of the contact plate, the cooling plate including discharge holes communicating one-to-one with the branch holes of the contact plate and a cooling passage circulating between the discharge holes; And It characterized in that it comprises a porous cutter for continuously cutting the waste synthetic resin discharged through the discharge holes in a solid state through the cooling plate is installed so as to reciprocate a certain section in close contact with the cooling plate to a certain length Waste synthetic resin chip manufacturing apparatus. The method of claim 1, The porous cutter A first cutter hole region formed of cutter holes corresponding to the discharge hole of the cooling plate in a one-to-one correspondence with the discharge holes in the reciprocating state, and adjacent to the first cutter hole region Apparatus for manufacturing a waste synthetic resin chip, characterized in that it has a second cutter hole region consisting of the extra cutter holes formed. The method of claim 1, Guide rails for guiding both sides of the porous cutter are attached to both ends of the cooling plate, The porous cutter is a waste synthetic resin chip manufacturing apparatus, characterized in that the reciprocating movement force is provided to be slidably movable through the drive cylinder provided on one side of the porous cutter in the state that both ends are fitted to the guide rail. The method of claim 1, Guide rails for guiding both sides of the porous cutter are attached to both ends of the cooling plate, The porous cutter is a waste synthetic resin chip manufacturing apparatus, characterized in that the reciprocating movement force is provided to be slidably movable through the cam member provided on one side of the porous cutter in the state that both ends are fitted to the guide rail. The method of claim 1, A waste synthetic resin is further provided on the outer side of the contact plate and the cooling plate to operate at the same time as the melt extruder operates to melt the solidified waste synthetic resin remaining in the branch holes of the contact plate and the discharge holes of the cooling plate. Chip manufacturing equipment.

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