KR101129492B1 - A cutting apparatus for continuous wpc deck profile extrusion line - Google Patents

Abstract

PURPOSE: A cutting apparatus for an extrusion line of a WPC(wood plastic composite) deck profile for continuous production is provided to standardize the quality of WPC decks by preventing dimensional errors when the WPC deck is cut. CONSTITUTION: A cutting apparatus for an extrusion line of a WPC deck profile for continuous production comprises a transfer unit(820), first and second guide units(830,840), support units(850), first and second fixing units(860,870), a cutting unit(880), and a discharge unit(890). The transfer unit transfers WPCs supported by a guiderail of a frame(810). The first and second guide units are arranged along the longitudinal direction of the transfer unit and guide the WPCs. The support units control the length of the WPCs. The first and second fixing units press the top surfaces of the WPCs. The cutting unit cuts the WPCs fixed by the first and second fixing units. The discharge unit is arranged inside the transfer unit and discharges the cut WPCs to the outside.

Description

Cutting device for PPC deck profile extrusion line for continuous production {A CUTTING APPARATUS FOR CONTINUOUS WPC DECK PROFILE EXTRUSION LINE}

The present invention relates to a cutting device of the WPC deck profile extrusion line for continuous production, and more particularly to the plastic molding (Wood Plastic Composite, WPC) deck profile extrusion product molding can be made by a continuous process from the initial processing to the finished product The present invention relates to a cutting device for a continuous profile WPC deck profile extrusion line that can reduce the cost of production by reducing the error at the time of cutting by enabling the cutting to the exact dimension and at the same time.

Recently, there is a need for the development of various building materials, and in particular, there is a continuous demand for light civil engineering and building materials with high strength.

Recently, profiled extrusion products of Wood Plastic Composite (hereinafter WPC), which are manufactured by mixing wood and plastic, are used as exterior building materials.

In the case of the WPC, wood powder is added to various thermoplastic resins such as polyethylene and polypropylene to provide excellent processability of plastics, a beautiful appearance of wood, and high strength, low price, and variety of applications compared to conventional wood or single plastic materials. There are several advantages.

The WPC having various advantages as described above is particularly used outdoors to maintain a long life even under adverse conditions such as weather or dust.

In the case of WPC profile extrusion, it is easy to cut and install a certain length, so that the product is cut to a certain length during production. Due to the characteristics of the WPC profile extrusion process, it is necessary to continuously cut and measure the length. In the case of using a rotating device to measure the length through the number of revolutions of the rotating body is mainly used.

However, in cutting the base material of the deck exiting the double extrusion molding machine, the size of the base material is not uniform due to slip phenomenon or sensing error that occurs during a series of processes of sensing the entry of the base material and lowering the cutting blade. As a result, the size of the remaining decks were also affected, resulting in a serious problem that all the decks produced were defective.

An object of the present invention has been proposed to improve the conventional properties as described above, to enable the molding of wood plastic composite (WPC) deck profile extruded products by a continuous process from the initial processing to the finished product At the same time, it is possible to cut to precise dimensions, so that no additional work is required, and the cutting device of the WPC deck profile extrusion line for continuous production can be reduced, thereby reducing the production cost accordingly. have.

Still another object of the present invention is to provide a cutting apparatus for a continuous production WPC deck profile extrusion line that can accurately cut a profile extrusion product such as WPC to a desired size without error.

The present invention has the following structure in order to achieve the above object.

The cutting device of the WPC deck profile extrusion line for continuous production of the present invention, in a cutting device for cutting a molded body to a predetermined size sequentially passed through an extruder, an extruder and a take-off machine, while being supported by a guide rail on a frame A conveying means for seating and entering the formed molded body and slidingly conveying it; First and second guide means arranged at equal intervals along the longitudinal direction of the conveying means to guide the moving molded body; Support means arranged at one end of the transfer means to adjust the length of the molded body slidingly moving on the transfer means to a predetermined length; First and second fixing means which are located in the upper front portion of the conveying means and pressurize and fix the upper surface of the molded body adjusted to a predetermined length by the supporting means; Cutting means positioned at a lower front portion of the conveying means to cut the molded body fixed by the first and second fixing means; And discharge means for discharging the molded body disposed and cut in the transfer means, whereby the molded body is cut while being transferred together with the transfer means.

The conveying means may include a conveying bed that slides while the molded body is seated, a guide rail disposed between the conveying bed and the frame to guide the conveying bed, and a conveying bed disposed on the lower surface of the conveying bed. It is preferable that the moving cylinder is composed of a moving cylinder.

In addition, the transfer bed is preferably further provided with a guide plate to guide the molded body in the longitudinal direction.

And the first guide means is preferably made of a lifting cylinder seated on the upper surface of the transfer bed by a support, and a roller rotatably coupled to the rod end of the lifting cylinder by a bracket.

In addition, the roller is preferably arranged horizontally to rotate while supporting the upper surface of the molded body.

In addition, the second guide means is preferably made of a lifting cylinder disposed by the support from the lower side of the transfer bed, and a roller built in the rod end of the lifting cylinder.

In addition, the roller is preferably disposed so as to rotationally support the side of the secondary molded body that is passed through the transfer bed seated on the transfer bed.

In addition, the first and second fixing means is preferably made of a lifting cylinder which is vertically fixed to the upper surface of the transfer bed by a support block, and a pressure bar disposed at the rod end of the lifting cylinder.

In addition, the first fixing means is preferably further provided with a cover.

The cutting means may include a plurality of lifting rails disposed perpendicularly to a lower surface of the transfer bed, a fixed base disposed to support the lifting cylinder at the lower end of the lifting rail, and being lifted by the lifting cylinder while being supported by the lifting cylinder. It is preferable that the lifting bed is coupled to the lifting rail and the cutter coupled to the motor seated on the lifting bed to cut the secondary molded body seated on the transfer bed.

In addition, the lifting bed is preferably further provided with a cover surrounding the cutter.

The cutter of the cutting means is lifted between the first and second fixing means, and it is preferable to cut the secondary molded body.

In addition, the discharge means is preferably made of a cylinder supported by a bracket on the lower surface of the transfer bed, and a pressurization provided at the rod end of the cylinder, the end is arranged to protrude through the transfer bed.

According to the present invention, it is possible to form a profile compressed product by a continuous process from the initial processing to the finished product, and at the same time, it is possible to cut to precise dimensions, so that no additional work is required, and there is no error of dimensional variation during cutting. As a result, it is possible to reduce the production cost of the product and to standardize the product quality.

In addition, according to the present invention, there is an effect that can be cut to the exact dimensions without interrupting the process flow of the molded article continuously introduced.

1 is a schematic view showing a deck manufacturing system of the present invention.
2 is a side view showing a cutting machine according to the present invention.
3 is a plan view of the cutting machine shown in FIG.
4 is a cross-sectional view showing a cross section taken along the line AA in FIG.
FIG. 5 is a cross-sectional view illustrating a cross section taken along a line BB shown in FIG. 2. FIG.
6 to 10 is an operation diagram showing an operating state of the cutting machine according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. These embodiments are provided to explain in detail the present invention to those skilled in the art. Accordingly, the shape of each element shown in the drawings may be exaggerated to emphasize a more clear description.

As shown in FIG. 1, the deck manufacturing system of the present invention includes an extruder 10 for inserting a mixture formed by mixing a filler into a polymer and extruding the mixture in a fused state; An extruder 20 for extruding the mixture passed through the extruder 10 in the form of a billet having a predetermined form to form a compact D1; A cooler (30) which transfers the molded body (D1) passing through the extruder (20) and cools it to have a temperature below a melting point; Conveyor 40 for passing the cooler 30 and the cooled molded (D1) and the cutting machine (80) for cutting the molded body (D1) passing through the taker 40 to have a predetermined length; do.

Looking at the specific operation of the present invention, first, the polymer and the filler and the additive is mixed in the extruder (10). In this case, the filler to be mixed preferably contains any one or two or more of wood flour, wood fiber, mica, calcium carbonate and ulastonite. This is because the deck formed by the mixture can obtain high rigidity by mixing the filler and the polymer.

The mixture introduced into the extruder 10 is heated and melted by a heater in the extruder 10, and the melted mixture is extruded to the outside through a screw installed in the extruder by the operation of the extrusion motor 11.

The extruded mixture passes through the adapter 12 and moves toward the extruder 20 in a state of having a predetermined shape.

Next, the mixture reaching the extruder 20 passes through the chamber 21 of the extruder 20. The chamber 21 is provided with a heater 22 to maintain a constant temperature. The chamber 21 compresses the mixture to be introduced and forms a billet-shaped molded body D1 having a predetermined size.

The molded body D1 formed through the extruder 20 passes through the cooler 30 because the molded body D1 is cooled to a predetermined temperature (about 120 ° C. to 150 ° C.) although the temperature is lower than the melting point but is quite high. Let's do it.

Next, the molded body D1 passed through the cooler 30 is transferred to the take-out machine 40 to take the form of the desired deck in the present invention through the take-out process.

Next, the molded body D1 passing through the take-up machine 40 is transferred to the cutting machine 80 through air cooling to be seated, cut, discharged, and loaded to have a predetermined length.

In order to uniformly cut the molded body formed by using the cutter 80 to have a constant length, the transfer bed should be cut while moving in the same direction as the moving direction of the molded body. Cutting machine 80 for this configuration has the following configuration.

2 to 5, the cutter 80 includes a frame 810, a conveying means 820, a first guide means 830, a second guide means 840, and a support means 850. ), The first fixing means 860, the second fixing means 870, the cutting means 880 and the discharge means 890.

The frame 810 includes a horizontal support 812 extending in a horizontal direction and a vertical support 811 supporting the horizontal support 812 so that the molded body D1 can be moved and supported in the longitudinal direction.

Here, the horizontal support 812 and the vertical support 811 are all formed by using a square channel of the pipe form or "c" channel.

The transfer means 820 consists of a transfer bed 821, a guide rail 822, and a transfer cylinder 823 in a state in which a molded body D1 is seated on the frame 810 side by the guide rail 822. The guide rail 822 guides the transfer bed 821 in a state in which the molded body D1 is transferred and moved by the pressing force generated so that the molded body D1 is seated and fixed on the upper surface of the horizontal support 812 of the frame 810. The transfer cylinder 823 is positioned at the end of the lower surface of the transfer bed 821, and the rod 823a is installed at the lower portion of the transfer bed 821 using a holder 825, and the transfer cylinder 823 is a support bracket 824. It is fixed to the horizontal support 812 by using) to transfer the transfer bed 821 in the horizontal direction.

In addition, the transfer bed 821 is formed with a guide hole 821a opened at regular intervals and a guide plate 821b stepped in the longitudinal direction of the upper surface of the transfer bed.

That is, the conveying means 820 is a molded body is seated on the conveying bed 821 formed in the longitudinal direction of the molded body, the guide rail 822 is mounted on the lower portion of the conveying bed 821 with respect to the frame 810 When the movement of the transfer bed is moved by the desired length of the molded body in a configuration that allows movement in the advancing direction of the cutting is restored to the original position again by the transfer cylinder.

The first guide means 830 is a lifting cylinder 831 supported on the transfer bed 821 by a support 832 and a bracket 833 at a rod (not shown) end of the lifting cylinder 831. Composed by the roller 834 is coupled to the upper surface of the molded body entered into the transfer bed by using a lifting cylinder to lower the roller by the configuration.

The second guide means 840 is disposed to vertically penetrate the transfer bed 821, the lifting cylinder 841 supported by the support 842 on the lower surface of the transfer bed 821, and the lifting cylinder 841 It consists of a roller (844) arranged at the end of the rod 843 of the) is configured to pressurize the side surface of the molded body entering the transfer bed 821.

A plurality of first guide means 830 and the second guide means 840 are disposed to have a predetermined distance along the longitudinal direction of the transfer bed.

The support means 850 is coupled to the rail shaft 851 disposed in the longitudinal direction of the transfer bed 821 and the rail shaft 851, the engaging plate 852 is supported the end of the molded body to enter the transfer bed 821 The locking plate 852 moves along the rail shaft 851 and adjusts its position so as to vary the cutting length of the molded product.

The first fixing means 860 is coupled to the lifting cylinder 861 fixed to the support block 877 seated on the upper surface of the transfer bed 821 and the end of the rod 862 withdrawn from the lifting cylinder 861. Composed of the pressing table 864 and the cover 863 located between the pressing table and the rod is configured to pressurize the upper surface of the molded body entering the transfer bed 821.

The second fixing means 870 is a lifting cylinder 871 fixed to the support block 877 so as to be located in front of the first fixing means 860, and the rod 872 withdrawn from the lifting cylinder (871) Consists of the upper end of the molded body (D1) is made of a pressing member (873) coupled to the end is conveyed in conjunction with the first fixing means.

The cutting means 880 is a fixed support 882 supported by a lifting rail 881 below the transfer bed 821, a lifting cylinder 884 seated on the fixing stand 882, and the lifting cylinder 884 A lift bed 883 positioned at an upper part and coupled to a rod (not shown) of the lift cylinder to move up and down by being guided by the lift rail by a lift cylinder, and a motor 885 seated on an upper surface of the lift bed 883. ), A cutter 886 that is coupled to the motor 885 and rotates to cut the secondary molded body D2 seated on the transfer bed, and is generated in the process of cutting the secondary molded body by the cutter 886. It consists of a cover 887 to prevent the foreign matter to be discharged to the outside is configured to cut the secondary molded body (D2) transferred a predetermined length in a state seated on the transfer bed 821.

The discharge means 890 is coupled to the pressure cylinder 891 and the rod (not shown) end of the pressure cylinder 891 is fixed to the lower portion of the transfer bed (821) by a bracket 892, the pressure cylinder The molded part D1 transferred to a predetermined length in a state in which the end portion is bent in an upward direction based on the pressure portion 883 and the upper part is formed on the transfer bed 821 protruding to the upper surface of the transfer bed 821. ) Is cut by the cutting means 880, and is configured to move the cut deck (D2) to the mounting table 894 side.

For example, the transfer bed 821 may include the first guide means 830, the second guide means 840, the support means 850, the first fixing means 860, the second fixing means 870, and a cutting means. 880 and the discharge means 890 are disposed to guide the molded body to be conveyed together in the direction in which the conveying bed is conveyed (first guide means, second guide means) or to form the molded body D1 on the conveying bed 821. By pressing and fixing (first fixing means and second fixing means), even if the molded body is continuously moved in the whole process, uniform cutting of the molded body is possible.

The cutter 80 configured as described above cuts the molded body D1 previously formed through the following operation.

First, when passing through the take-up 40 to cool the molded body (D1) while conveying, as shown in Figure 6 is transferred to the guide plate 821b in the state seated on the upper surface of the transfer bed 821 Sliding and moving along the upper surface of the bed 821 in the longitudinal direction.

In this process, the roller 844 of the second guide means 840 disposed at equal intervals on the transfer bed 821 is protruded to the upper surface of the transfer bed 821 in a state in which the rollers 844 are arranged in the vertical direction, thereby guiding the guide plate 821b. Rotation is in close contact with the side surface of the secondary molded body (D2) to move along the pressure support.

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The formed molded body D1 presses the locking plate 852 in the advancing direction, and the transfer bed 821 slides along the guide rail 822 connected to the frame 810 side by the pressed locking plate 852. And it moves in the advancing direction of the secondary molded body (D2).

At this time, since the support means 850 is fixed to the rail shaft 851 so as to be movable, it is determined whether to set the length of the initial secondary molded body to move the catch plate along the rail shaft by moving the stopping plate along the rail shaft. Adjust the length of the secondary molded body.

That is, the locking plate of the support means is moved in the front-rear direction along the rail axis to adjust the length of the secondary molded body. To this end, a ruler (not shown) is installed along the longitudinal direction of the transfer bed upper surface.

At the same time, as shown in FIG. 8, the lifting cylinder 831 of the first guide means 830 operates so that the roller 834 connected to the rod of the lifting cylinder 831 descends and is transported by the transfer bed. The upper surface of the molded body D2 is supported by pressure.

The first guide means 830 is operated when the secondary molded body presses the locking plate to transfer the transfer bed, but the secondary molded body may guide the transfer by descending in the process of sliding the transfer bed.

Next, as shown in FIG. 7, the secondary molded body D2 is positioned on the transfer bed 821 and pressurizes the transfer bed while being transferred. The lifting cylinder 861 of the fixing means 860 operates to press the upper surface of the secondary molded body D2 for lowering and transporting the presser bar 864 at the rod end to fix the upper surface of the secondary molding body D2 to the upper surface of the conveying bed, and at the same time, the second fixing means ( The lifting cylinder 871 of 870 operates to lower the pressure bar 873 at the rod end to press-fix the molded body.

That is, the first fixing means 860 and the second fixing means 870 are means for pressing and fixing the upper surface of the secondary molded body with the cutter guide hole 821c spaced apart from each other at a predetermined interval. (D2) is to move with the transfer bed 821 in the direction to be transported is to fix the secondary molded body.

Next, as shown in FIG. 9, when the lifting cylinder 884 of the cutting means 880 positioned below the front of the transfer bed 821 is operated to raise the lifting bed 883 along the lifting rail 881. In addition, the cutter 886 connected to the motor 885 seated on the elevating bed 883 is raised and rotated by the operation of the motor.

The rotating cutter 886 is inserted into the cutter guide hole 821c in which the transfer bed 821 is cut and is not on the upper surface of the transfer bed 821. The first fixing means 860 and the second fixing means ( 870 and the second fixing means 870 is raised to cut the secondary molded body seated on the transfer bed.

In this process, by-products generated in the process of cutting the secondary molded body by the cover 887 surrounding the cutter 886 and the cover 853 installed on the first fixing means 860 are prevented from scattering to the outside. Although not shown, the cover 887 is guided to the discharge bin disposed at the lower end of the cover 887.

Next, after the cutting is completed by the cutting means 880, the lifting cylinder 884 of the cutting means 880 is operated to lower the cutter in the raised state.

Next, as shown in FIG. 10, the secondary molded body in a state of being moved by the transfer bed 821 in a cut state raises the lifting cylinder 831 of the first guide means 830 that is pressurized to raise the roller ( While releasing the supporting force of 834, the lifting cylinder 841 of the second guide means 840 is operated to lower the supporting force by lowering the roller 844 supporting the side of the secondary molded body to the lower side of the transfer bed 821. do.

When the guide means supporting the side and the upper surface is released, only the guide plate 821b extending in the longitudinal direction of the transfer bed is in close contact with the side of the secondary molded body, and the other side is not supported.

In this state, the cylinder 891 connected to the pressure rod 833 positioned on the guide plate 821b side of the transfer bed 821 is operated to move the pressure rod 833 to the secondary molded body D2 side. Pressurize the secondary molded body.

The pressurized secondary molded body is slidably moved toward the loading table 894 in an inclined state located on the side of the transfer bed 821 to be loaded along the inclined surface.

Next, when the cutting of the secondary molded body (D2) is finished, in order to restore the transfer bed 821 in the transferred state to its original position, the transfer cylinder 823 located at the lower side is operated in the direction opposite to the advancing direction of the secondary molded body. The transfer bed is pressed to the original position.

In this process, the secondary molded body continues to slide along the upper surface of the transfer bed 821.

For example, the molded article continuously drawn out through the take-out machine 40 is seated on the transfer bed and moves along the transfer bed. When caught by the support means at the end of the conveying bed, the conveying bed is pressed by the jammed state to move the conveying bed along the guide rail as much as the molded body is moved.

Since the cutting means coupled to the transfer bed also moves together during the movement of the secondary molded body like the transfer bed, the cut deck D2 cut using the cutting means is discharged. Since it is continuously drawn out, the transfer bed continues to move and guide in the withdrawal direction.

That is, those skilled in the art without departing from the technical gist of the present invention can be variously modified or modified, as well as such changes or modifications, the technical scope of the present invention in the interpretation of the claims. It is hard to say that I am within.

10 extruder 20 extruder
30: cooler 40: drawer
80: cutting machine 810: frame
820: transfer means 830: first guide means
840: second guide means 850: support means
860: first fixing means 870: second fixing means
880: cutting means 890: discharge means

Claims (13)

In the deck cutting device for cutting the molded body sequentially passed through the extruder 10, the extruder 20, the take-out machine 40 to a predetermined size,
Transfer means (820) moving together with the molded body such that the molded body enters the supported state through the guide rail on the frame (810) and slides in the seated state;
First and second guide means (830 and 540) disposed at equal intervals along the longitudinal direction of the transfer means (820) to guide the moving molded body;
Support means (850) disposed at one end of the transfer means (820) to support and adjust the molded body slidingly moving on the transfer means (820) to a predetermined length;
First and second fixing means (860,870) which are located in the upper front portion of the conveying means (820) to press-fix the upper surface of the molded body adjusted to a predetermined length by the support means (850);
Cutting means (880) positioned in the lower front portion of the conveying means (820) to cut a formed body fixed by the first and second fixing means (860,870) to form a second molded body; And
And a discharging means 890 disposed in the transfer means 820 to discharge the cut second molded body.
The first guide means 830 is rotatably lifted by a support cylinder 831 seated on the upper surface of the transfer bed 821 by a bracket 831, and by a bracket 833 at the rod end of the lift cylinder 831. Deck cutting device, characterized in that consisting of a combined roller (834). The method of claim 1,
The transfer means 820 is a guide bed for sliding the sliding state in which the molded body is seated, and a guide rail disposed between the transfer bed 821 and the frame 810 to guide the transfer bed 821. 822 and a moving cylinder (823) for moving the conveying bed disposed on the lower surface of the conveying bed (821) to its original position. The method of claim 2,
The transfer bed (821) is a deck cutting device, characterized in that further comprising a guide plate (821b) for guiding the molded body entering the take-up machine in the longitudinal direction. delete The method of claim 1,
The roller 834 is a deck cutting device, characterized in that arranged horizontally to support the upper surface of the molded body. The method of claim 1,
The second guide means 840 is an elevating cylinder 841 disposed by the support 842 from the lower surface of the transfer bed 821 and a roller arranged at an end of the rod 843 of the elevating cylinder 841. 844) deck cutting apparatus, characterized in that consisting of. The method of claim 6,
The roller (844) is a deck cutting device, characterized in that arranged through the transfer bed (821) to support the side of the molded body seated and transported to the transfer bed (821). The method of claim 1,
The first and second fixing means 860 and 870 are disposed on the lifting cylinders 861 and 871 which are vertically fixed to the upper surface of the transfer bed 821 by the support block 877 and the rods 862 and 872 of the lifting cylinders 861 and 871. Deck cutting device, characterized in that consisting of a pressing table (864,863). The method of claim 8,
Deck cutting device, characterized in that the first fixing means 860 is further provided with a cover (863). The method of claim 1,
The cutting means 880 may include a plurality of lifting rails 881 disposed perpendicular to the lower surface of the transfer bed 821, and a support 882 arranged to support the lifting cylinders 884 at the lower end of the lifting rails 881. A lifting bed 883 penetrated and coupled to the lifting rail 881 so as to be lifted and lowered by the lifting cylinder while being supported by the lifting cylinder 884 and a motor 885 seated on the lifting bed 883. Deck cutting device, characterized in that consisting of a cutter 886 coupled to cut the molded body seated on the transfer bed (821). The method of claim 10,
Deck cutting device, characterized in that the lifting bed (883) is further provided with a cover (886) surrounding the cutter (886). 11. The method according to claim 8 or 10,
The cutter 886 of the cutting means 880 is lifted between the first and second fixing means (860,870) deck cutting apparatus, characterized in that for cutting the secondary molded body. The method of claim 1,
The discharge means 890 is provided at the lower end of the transfer bed 821 by the cylinder 891 supported by the bracket 892, and the rod end of the cylinder 891, the end protrudes through the transfer bed 821 Deck cutting device, characterized in that consisting of a pressure rod (893) to be arranged.

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