KR101184728B1 - Forming Dies For Plastic Foam And Thermoforming Machine - Google Patents

Abstract

The present invention is free to adjust the gap between the pair of guide members for guiding the foam resin during molding, the product can be formed in various thicknesses smoothly, and the foam can be continuously foamed to prevent the phenomenon that the foam resin is not leaking unnecessarily In the extrusion molding machine consisting of a hopper portion, a melting portion, a cooling portion, a molding portion, and a conveying portion so as to mold the foamed resin, the rear end is connected to the end of the cooling portion, and the upper and lower dies are joined at opposite positions. A discharge opening is formed to form a connection structure, and the foamed resin is supplied from the connecting portion of the upper and lower dies so that the foamed resin is foamed forward, and a groove is formed above the front side of the upper die. With T-dice; A first adjustment member installed to elastically deform one side of the upper die at a position where the groove portion of the T-dice is formed, and adjusting a distance between the discharge holes; A pair of guide members installed on the front side of the T-dice and facing up and down, and having one end thereof in contact with the molding part so that the foamed resin foamed to the discharge port is guided to the molding part along the guide surface; ; It provides a molding die of a foam resin extrusion molding machine comprising; a second control member provided in plurality in the front upper / lower ends of the upper / lower dies to adjust the interval between the guide member.

Description

Forming Dies for Foam Resin Extrusion Machine

The present invention relates to a molding die of a foaming resin extrusion machine, and more particularly, to freely control the gap between a pair of guide members for guiding the foaming resin during molding, forming a product in various thicknesses smoothly, and foaming. The present invention relates to a molding die of a foamed resin extrusion machine that can prevent a resin from leaking unnecessarily, thereby reducing material consumption and improving product quality.

In general, the foam board (foam board) can be manufactured continuously and has an independent bubble inside there is an advantage in insulation, soundproofing, low absorption and workability and good impact resistance, so that the insulation material in the field of construction, civil engineering, horticulture, etc. It is widely used in packaging, packaging and flotation materials, and its scope is continuously expanding.

Such foam boards are prepared by adding additives such as polystyrene resins, polyethylene resins and blowing agents as raw materials and continuously foam molding. Specifically, with reference to Figure 1, the extrusion molding machine 10 for manufacturing the foam board is a hopper 11, the melted portion 13, the cooling unit 15, the molding unit 17, the conveying unit 19 When the raw material is manufactured while going through the process sequentially, looking at the process, when the worker puts the prepared raw material into the hopper unit 11, the raw material is heated and mixed while passing through the melting unit 13, and the heated raw material After the cooling through the cooling unit 15 is foamed and molded into a certain thickness and size through the forming unit 17, it is produced by the process of pulling the molded product in the transfer unit 19.

As described above, as an extrusion molding machine using a foaming resin, Korean Utility Model Model No. 20-0304683 discloses an extrusion molding machine for continuously foaming a raw material to which a blowing agent is added through melting and cooling: A T-die having opposingly coupled lower dies and recessed means thinning to allow elastic deformation in the upper die; Adjusting means installed to elastically deform the upper die of the T die to vary the ejection opening; And it is divided into two ends at the tip of the T-die is installed so as to face, and comprises a guide for guiding the raw material ejected for foaming in the foaming at a set magnification to maintain the overall quality including the properties of the product The die mechanism of the foaming resin extrusion machine which was made to have was developed.

In addition, Korean Patent No. 10-0825262 discloses an apparatus for melting a raw material to which a blowing agent is added to undergo cooling and continuously foaming through an upper die and a lower die: detachably attaching each guide to a tip of the upper and lower dies. The guide is provided with a guide surface in the form of a flat shape to maintain a flat surface in the range of 0.5-10㎛ to induce a stable flow of the resin to be foamed, to improve the field applicability for the production of multiple varieties in molding the foamed resin products There is known a guide structure for a foamed resin molding die having an effect of maintaining a stable quality even at high foaming.

However, the conventional extruder is capable of controlling the amount of foam by expanding the ejection opening by elastic deformation of the upper die, but the height of the forming plate formed in the upper and lower parts of the forming part to produce a different thickness of the foam board to be manufactured By adjusting the quality, the quality decreases as the foaming resin leaks due to the gap corresponding to the amount of movement of the guide and the fixed molding plate fixedly installed on the T-die. Unnecessary cost of production occurs, there is a problem that the productivity is reduced due to time delay with the labor of the worker to replace the guide after stopping the work every time during production.

In addition, conventionally, the foamed resin leaks sideways during foaming, so the side of the foamed resin is not constant, so the quality is degraded. Therefore, the worker must be mobilized because the worker must cut both sides after the molding work. In the cutting operation, there was a problem in that the consumption of materials increased due to an error of a worker.

The present invention is to solve the above problems, by installing a second adjusting member so as to freely adjust the height of the guide member on the T-die is elastic in the production of foam resin having a variety of thickness with a pair of guide members The purpose of the present invention is to provide a molding die of a foam resin extruder capable of semi-permanent use of the guide member, to reduce unnecessary production costs, and to improve productivity while improving worker productivity.

In addition, by installing guide bars on both sides in the position where the foamed resin is foamed, a simple structure prevents the foamed resin from leaking sideways, reduces unnecessary workforce and reduces the defective rate, and continuously maintains a constant width. An object of the present invention is to provide a molding die of an expanded resin extruder capable of improving the quality of the foamed resin.

The molding die of the foamed resin extrusion machine proposed by the present invention is composed of a hopper part, a melting part, a cooling part, a molding part, and a conveying part so as to be capable of continuously foaming. It is connected to the rear, and the upper and lower dies form a connection structure that is coupled to each other in the opposite position, and the discharge port so that the foamed resin is supplied to the nozzle and the foamed foam supplied to the front in the connecting portion of the upper and lower dice T-dice is formed, and the groove portion is formed in the upper side of the upper die; A first adjustment member installed to elastically deform one side of the upper die at a position where the groove portion of the T-dice is formed, and adjusting a distance between the discharge holes; A pair of guide members installed on the front side of the T-dice and facing up and down, and having one end thereof in contact with the molding part so that the foamed resin foamed to the discharge port is guided to the molding part along the guide surface; ; And a second adjusting member, each of which is provided in a plurality of upper and lower ends of the upper / lower dice so as to adjust a gap between the guide members.

In addition, the guide member is installed at both ends of the front side of the T-dice at the position where the guide member is provided and formed to extend in the front and foamed from the discharge port and then molded to maintain a constant width of the foamed resin supplied to the molding part. It is also possible to comprise a bar further.

The guide bar has a fixed portion formed to be fixed to the side wall of the T-dice, and protrudes forward from the fixed portion and one side is formed from the side of the guide member to form a convexly curved outward and then to a straight surface. It includes a stool extending to form.

In addition, it may be configured to further include a guide portion fixed to the molding portion and positioned in front of the guide member to be molded by adjusting the width of the foamed resin foamed to the discharge port.

The guide portion is provided with a support block fixed to the left and right on the forming portion, a guide block located in the inward direction provided with the guide member from the support block for guiding the foamed resin foamed from the discharge port, and the guide block One end is fixedly installed and extends to the other side so as to be connected through the support block, and adjusting the guide block within the extended length range and then fixed by a plurality of fastening members to set the width of the foamed resin It is done by

In addition, the guide member has a fluid circulation path formed so as to communicate with both sides in the transverse direction to supply and discharge the fluid from the outside, and one end is connected to the fluid circulation path and the fluid to control the temperature change occurring in the guide member It is also possible to further comprise a thermostat for circulating.

The temperature control device is a fluid supply for generating a fluid from the outside to circulate the supply and recovery to the fluid circulation path of the guide member, and one side is connected to the fluid supply and the other side is connected to the inlet hole formed at one end of the fluid circulation path It includes a fluid supply pipe for supplying a fluid to the guide member and a discharge pipe connected to one side of the discharge hole formed in the fluid circulation path from the opposite side of the fluid supply pipe and connected to the fluid supply.

In addition, the gas supply passage is formed in the inner side is hollow in the transverse direction to supply gas at a position close to the guide surface of the guide member, a plurality of formed on the guide surface in communication with the gas supply passage and in the discharge port A nozzle for injecting gas into the foamed foam to be foamed, a gas supply for generating and supplying gas to the gas supply path, and one side connected to the gas supply, and the other side connected to an inlet hole formed at one end of the gas supply path. It is also possible to comprise a gas supply pipe further.

The guide member is inclined at an acute angle toward the forming part at one end of the fastening part forming a flat surface vertically and horizontally to be fixed to the T-dice by a fixing member, and a surface fastened and contacted to the T-dice. And a guide surface to which the foamed resin foamed from the discharge hole contacts, and a stepped portion protruding forward of the fastening portion and inserted into the molding portion.

The fastening part is formed to be fixed to the T- dice with a plurality of control holes formed in a plurality to be connected to the second fastening member provided on the T-dice, the fastening member and the guide member It includes a fastening hole formed with a flow path to move up and down.

According to the molding die of the foamed resin extrusion machine according to the present invention, the height of the pair of guide members with the second adjusting member with the control of the discharge port by the first adjusting member to freely adjust the height to produce the foamed resin products of various thickness The elasticity of the guide member can be used semi-permanently, and by adjusting the guide member according to the height of the molded part, there is no gap between the molded part and the guide member, thereby obtaining a technical effect of preventing the foamed resin from leaking out.

In addition, the molding die of the foamed resin extrusion machine according to the present invention does not need to provide the guide member by size as the pair of guide members are elastically applied to the production of products of various thickness, reducing unnecessary production costs, during production There is no need to interrupt the work or replace the guide member to promote the convenience of the operator and increase the productivity at the same time.

In addition, the molding die of the foamed resin extrusion machine according to the present invention has a simple structure to prevent the foamed resin from leaking to the side when foaming, and the width of the foamed resin is uniformly molded to reduce the unnecessary workforce and reduce the defective rate In addition, it is possible to achieve the effect of improving the quality by producing foamed resin having a constant width.

In addition, the molding die of the foamed resin extrusion machine according to the present invention prevents the foamed resin from leaking sideways during foaming, and at the same time can freely adjust the width of the foamed resin product to be foamed, flow width with the thickness of the product There is an effect that can be molded after setting.

In addition, the molding die of the foamed resin extrusion machine according to the present invention guides the foamed resin by controlling the temperature to prevent the heat conduction to the guide member from the high-temperature foamed resin that is continuously foamed by heating The role of the smoothly made has the effect of improving the quality of the product.

In addition, the molding die of the foamed resin extrusion machine according to the present invention is sprayed by the gas continuously from the guide surface for guiding the foamed resin during foaming to minimize the friction and the product is smoothly guided, and the phenomenon of static electricity generated in the product Prevent and improve the quality of the product.

1 is a configuration diagram showing an overall extruder according to the prior art.
2 is a perspective view showing an embodiment according to the present invention.
Figure 3 is a longitudinal cross-sectional view showing an embodiment according to the present invention.
Figure 4 (a), (b) is an enlarged cross-sectional view showing the state of use of the guide member in one embodiment of the present invention, respectively.
5 is a perspective view showing a second embodiment according to the present invention;
6 is a perspective view showing a third embodiment according to the present invention;
7 is a perspective view showing a guide member in a fourth embodiment according to the present invention;
8 is a front sectional view showing a fourth embodiment according to the present invention;
9 is a perspective view showing a guide member in a fifth embodiment according to the present invention;
10 is a front sectional view showing a fifth embodiment according to the present invention.

Next, a preferred embodiment of the molding die of the foamed resin extrusion machine according to the present invention will be described in detail with reference to the drawings.

First, as shown in FIG. 1, the hopper part 11, the melting part 13, the cooling part 15, and the molding part 17 are capable of continuously foaming after melting and cooling the raw material to which the blowing agent is added. In the extrusion molding machine 10, which is formed of a conveying part 19, and forms a foamed resin, the cooling part 15 is connected to the end of the cooling part 15 between the cooling part 15 and the molding part 17. .

The extrusion molding machine 10 will be described in detail. The hopper part 11 is provided to add raw materials such as a resin and a foaming agent prepared in a partially open structure, and the melting part 13 is It is connected to one side of the hopper portion 11 is provided to be transported by the conveying means (for example, motor and screw) while heating and mixing the input material, the cooling portion 15 is one side of the melting portion 13 While supplying the raw material through the transfer means while cooling the heated raw material is installed and connected to the, the molding unit 17 is molded in a variety of thickness of the foamed resin foamed after cooling in the cooling unit 15 the transfer unit And configured to be able to transport the finished product through (19).

Here, the first embodiment of the molding die of the foaming resin extrusion machine according to the present invention is applied in relation to the extrusion molding machine 10, as shown in Figures 2 to 4 T-dice 20 and It comprises a first adjustment member 30, the guide member 40 and the second adjustment member (50).

The T-die 20 is connected to the rear end of the cooling unit 15 and serves to foam the foamed resin supplied from the cooling unit 15, the upper die 21 and the lower die ( 22). Specifically, the upper and lower dies 21 and 22 form a structure in which the upper and lower dies 21 and 22 are connected to each other in a position opposite to each other, and the upper and lower dies 21 and 22 are connected to each other. The nozzle path 26 is formed to enable the supply of the foamed resin from 15, and the discharge port 27 is formed to be foamed while the foamed resin supplied to the nozzle path 26 is discharged forward.

Both sides of the T-die 20 are connected between the upper and lower dies 21 and 22, and the foamed resin supplied by blocking both sides of the nozzle passage 26 may be smoothly moved and foamed. Side walls 29 are provided.

The nozzle path 26 has a structure in which the passage becomes narrower toward the front, and communicates with the inner diameter of the cooling part 15 so that sufficient foamed resin can be smoothly supplied to the rear side connected to the cooling part 15. Form in one size.

A groove portion 23 is formed above the front side of the upper die 21. That is, between the bottom of the groove portion 23 and the nozzle passage 26 to form a thin thickness that one side of the upper die 21 can be bent by an external force caused by the operation of the first adjusting member 30. Do it.

In the upper die 21, a plurality of holes 24a are formed at equal intervals along the width thereof so as to install the first adjusting member 30 on both sides of the groove portion 23, but on the one side of the first die 21. The nut member 31 is fixedly installed so as to increase the binding force with the adjustment member 30 to increase the pulling efficiency.

Where the front discharge port 27 of the T-dice 20 is formed, the guide member 40 is installed to form a space that can be moved up and down, but the foaming space 28 in which the movement range of the guide member 40 is defined. And a plurality of holes 24b formed at equal intervals over the width of the locking jaw 25 at the upper and lower ends of the foam space 28 so as to include the second adjusting member 50. A plurality of holes (24c) for fixing the guide member 40 to the T-dice 20 to be positioned at a predetermined distance to the top / bottom of the discharge port 27 at equal intervals across the width Is formed.

The first adjustment member 30 is installed to elastically deform one side of the upper die 21 at the position where the groove portion 23 of the T-dice 20 is formed to adjust the gap of the discharge port 27. It plays a role.

The first adjusting member 30 is connected to the nut member 31 of the upper die 21 to be coupled across the groove 23, and provided in plural at equal intervals, and have a constant angle in the diagonal direction (the It is installed at an angle of about 45 ° around the discharge port.

The first adjusting member 30 may be formed on the upper die 21, but may also be formed on the lower die 22, and is symmetrical to both the upper and lower dice 21 and 22. It is also possible to form so as to control the interval of the discharge port 27 in the upper and lower sides, respectively, as described above, in addition to the upper die 21, the lower die 22 or the upper and lower dice 21, 22 When the first adjusting member 30 is located at all, the groove 23 is formed at a position corresponding to that.

In the above, the first adjustment member 30 is formed with a screw thread on the surface to adjust the interval of the discharge port 27 while the interval of the groove portion 23 is narrowed or widened in accordance with the rotation direction. That is, when the first adjusting member 30 is rotated in the tightening direction, the interval between the discharge holes 27 is widened by the elastic deformation in which the interval between the grooves 23 gradually decreases, whereas the first adjusting member 30 is widened. ), The gap between the grooves 23, which have been reduced, is returned to its original state, and the gap between the discharge ports 27 is narrowed.

The guide member 40 is formed as a pair, as shown in Figure 4, respectively installed up and down facing the front side of the T-dice 20 and one end is provided to be in contact with the forming part 17. And serves to guide the foamed resin foamed into the discharge port 27 to the molding part 17 along the guide surface 42.

The guide member 40 is fastened to the T-dice 20 by a fastening portion 41 that forms a flat surface vertically and horizontally so as to be fixed to the T-dice 20 by the fixing member 45. The guide surface 42 inclined at an acute angle (30 to 60 °) from one end of the formed surface to the forming part 17 and in contact with the foamed resin foamed from the discharge port 27, and the fastening part 41 It comprises a step 43 is formed to protrude forward and to insert into the molding portion 17.

The fastening part 41 is a plurality of control holes (41a) and the fixing member formed so as to be coupled to the second control member 50 provided in plurality on the T- dice 20, the coupling member ( 45) is formed to be fixed to the T-dice 20, and comprises a fastening hole 41b having a flow path formed so that the guide member 40 can move up and down.

The adjusting hole 41a and the fastening hole 41b are formed at staggered positions in a vertical line so as not to interfere with each other. That is, the fastening hole 41b is formed at a position in a vertical line corresponding to the adjusting holes 41a formed at equal intervals so that the friction between the second adjusting member 50 and the fixing member 45 is caused. Do not.

When the guide member 40 is adjusted up and down, the fixing member 45 is slightly loosened to maintain the movable state (a state in which the guide member is held but the shank is possible). The height of the guide member 40 is adjusted by rotating 50, and after adjusting the position, the fixing member 45 is tightened again to fix the guide member 40.

The guide surface 42 may be formed as a smooth straight surface without bending, or may be formed as a curved surface with a concave constant curve.

The guide surface 42 is preferably coated with a material such as teflon having a predetermined thickness on the entire surface to minimize frictional resistance with the foamed resin foamed through the discharge port 27.

The stepped portion 43 may protrude forward, but may be formed in a shape having a predetermined thickness, and may extend into the guide surface 42 to protrude in a pointed shape.

The second adjusting member 50 extends along the locking step 25 formed at the front upper and lower ends of the upper and lower dice 21 and 22 so as to adjust the distance between the guide members 40. Each is provided in plurality. That is, the second adjusting member 50 adjusts the distance between the guide member 40 according to the height of the molding part 17, so that a gap is formed between the molding part 17 and the guide member 40. Therefore, the foamed resin is prevented from leaking out.

The second adjustment member 50 is the guide member 40 in accordance with the adjusted interval of the molding unit 17 so that the stepped portion 43 of the guide member 40 abuts on the molding unit 17. Adjust the position of the), by releasing the fixing member 45 for fixing the guide member 40 on the T-dice 20 to make the guide member 40 in a flowable state and the second adjustment Tighten or loosen the member 50 to adjust the position of the guide member 40. At this time, when the second adjusting member 50 is tightened, a gap between the pair of guide members 40 is opened, and when the second adjusting member 50 is released in the opposite direction, the guide member 40 is discharged. 27 is moved in the direction provided with the pair of the guide member 40 is moved to narrow.

That is, according to the first embodiment of the molding die of the foamed resin extrusion machine according to the present invention configured as described above, the height between the pair of guide members as a second control member with the control of the discharge port by the first control member. Can be used semi-permanently by flexibly adjusting the production of foamed resin products of various thickness by adjusting freely, and there is no gap between the molded part and the guide member by adjusting the guide member according to the height of the molded part. It is possible to prevent leakage.

In addition, as the pair of guide members are flexibly applied to the production of various thicknesses, there is no need to provide the guide members by size, thus reducing unnecessary production costs and eliminating the need to stop work or replace the guide members during production. It is possible to improve the productivity while at the same time improving the convenience of the operator.

In addition, a second embodiment of the molding die of the foaming resin extrusion machine according to the present invention, as shown in Figure 5, at both ends of the front side of the T-die 20 at the position provided with the guide member 40 The guide bar 60 is formed to extend in front of the installation and is formed to maintain the width of the foamed resin supplied to the molding unit 17 after being foamed from the discharge port 27.

The guide bar 60 has a fixing portion 61 formed to be fixed to the side wall 29 of the T-dice 20 and protrudes forward from the fixing portion 61, and one side of the guide member ( It is formed from the side of the 40 to form a convex outward convex and comprises a sliding portion (62) extending in a straight plane.

The fixing part 61 is formed to separate or couple the guide bar 60 to the side wall 29 of the T-dice 20.

The slide portion 62 is located between the molding portion 17 provided up and down in front of the T-dice 20 to guide the foamed resin foamed from the discharge port 27 from the side. . Specifically, the foamed resin continuously foamed at the discharge port 27 is guided along the curved surface of the slide portion 62 and moved to the molding portion 17 without leaking to the side, followed by the slide portion 62. It is formed to guide and produce the foamed resin in a constant width while folding the straight surface formed in the).

That is, when the present invention is configured as in the second embodiment, the foamed resin is prevented from leaking sideways when foaming with a simple structure, and the width of the foamed resin is uniformly molded, thereby reducing unnecessary workforce and defective rate. This decrease and it is possible to improve the quality by the production of foamed resin having a constant width constantly.

Also in the above-described second embodiment, the present invention can be implemented in the same configuration as the above-described first embodiment except for the above-described configuration, and thus detailed description thereof will be omitted.

In addition, a third embodiment of the molding die of the foamed resin extrusion machine according to the present invention, as shown in Figure 6, is fixed on the molding portion 17 is located in front of the guide member 40 and the discharge port It further comprises a guide portion 70 that can be molded by adjusting the width of the foamed foamed foam (27).

The guide part 70 may be provided on the molding part 17 forming the lower plate of the molding part 17, and the guide part 70 may be provided on the bottom surface of the molding part 17 forming the upper plate of the molding part 17. It is also possible to selectively install, but it is preferable to install on the forming part 17 forming the lower plate.

The guide part 70 is inclined so that one side thereof faces outward and is fixed in an oblique form to form an increasingly wider width.

The guide part 70 is located in the inward direction provided with the support block 71 fixed to the left and right on the forming unit 17 and the guide member 40 from the support block 71 and the discharge port A guide block 72 for guiding the foamed resin foamed in (27), and one end is fixed to the guide block 72 and extends to the other side so as to be connected through the support block 71, the length of the extended After adjusting the guide block 72 within the range is made of a plurality of fastening members (74) comprises a control means 73 for setting the width of the foamed resin.

The support block 71 forms a rod shape and is fixed on the molding part 17 to support the guide block 72 through the adjusting means 73.

The guide block 72 forms an angle shape, moves from side to side within the allowable range of the adjusting means 73, sets the width of the foamed resin foamed to the discharge port 27, and is foamed from the discharge port. A guide surface for guiding and supporting the foamed resin is formed.

It is also possible to form a ruler (not shown in the drawing) on the surface of the molding unit 17 and the control means 73 so that the operator can set the shape after confirming the width to be molded.

That is, when the present invention is configured as in the third embodiment, the foamed resin product can be freely adjusted at the same time as the foamed resin is prevented from leaking to the side during foaming, and the width of the product together with the thickness of the product can be adjusted. It is possible to mold after setting the fluidity.

Also in the above-described third embodiment, the present invention can be implemented in the same configuration as the above-described first embodiment except for the above-described configuration, and thus detailed description thereof will be omitted.

In addition, the fourth embodiment of the molding die of the foamed resin extrusion machine according to the present invention, as shown in Figure 7 and 8, both sides of the guide member 40 in the transverse direction to supply fluid from the outside and The fluid circulation path 85 is formed to be discharged, and the temperature control device 80 for circulating the fluid so as to control the temperature change occurring in the guide member 40 is installed one end is connected to the fluid circulation path (85) It is made to include.

The fluid circulation path 85 is formed in a position close to the guide surface 42 having the largest temperature change as the foam member is in contact with the guide member 40.

The temperature regulating device 80 is connected to the fluid supply 81 and the fluid supply 81 to generate a fluid from the outside to circulate the supply and recovery to the fluid circulation path 85 of the guide member 40, And the opposite side is connected to an inlet hole 86 formed at one end of the fluid circulation path 85 to supply a fluid to the guide member 40 and the opposite side of the fluid supply pipe 82. One side is connected to the discharge hole (not shown in the figure) formed in the fluid circulation path 85 and the other side comprises a discharge tube 83 connected to the fluid supply 81.

The fluid supply 81 serves to supply and recover fluid to the guide member 40, and selects a pump, a ring blower, a compressor, etc., which can generate fluid such as water, oil, steam, and air. It is possible to apply, and can be implemented by applying a variety of structures, detailed description thereof will be omitted.

The fluid supply pipe 82 and the discharge pipe 83 has a double-divided structure of the inner and outer pipes, respectively, to form a slide movement with each other when adjusting the gap of the guide member 40.

The fluid supply pipe 82 and the discharge pipe 83 is a moving passage of the fluid supplied and recovered at a constant pressure, it is also possible to use a hose made of a material such as rubber, PVC material or a metal (for example, It is also possible to apply and use pipes made of stainless steel and metal).

That is, when the present invention is configured as in the fourth embodiment, the foamed resin is guided by adjusting the temperature so as to prevent a phenomenon in which heat is conducted to the guide member by heating from the high-temperature foamed resin continuously foamed. The role of the guide surface is smooth, it is possible to improve the quality of the product.

Also in the above-described fourth embodiment, the present invention can be implemented in the same configuration as the above-described first to third embodiments except for the above-described configuration, and thus a detailed description thereof will be omitted.

And, the fifth embodiment of the molding die of the foamed resin extrusion machine according to the present invention, as shown in Figure 9 and 10, the inner side in the transverse direction at a position close to the guide surface 42 of the guide member 40 The gas supply passage (95) which is hollowed out to be formed to supply gas and the gas supply passage (95), which is formed in plural on the guide surface (42) in communication with the gas supply passage (95) and foamed in the discharge port (27) A nozzle 93 for injecting gas into the gas, a gas supply 91 for generating and supplying gas to the gas supply path 95, and one side of the gas supply 91 is connected to the other side, and the other side of the gas supply path ( It further comprises a gas supply pipe 92 connected to the inlet hole 96 formed at one end of the 95.

The gas supply passage 95 has an inlet hole 96 at one side thereof, and supplies the supplied gas to be injected from the nozzle 93 formed at an upper side thereof.

The nozzle 93 is formed to become narrower as it is upwardly based on the gas supply passage 95, and is formed to generate the highest injection force with the minimum gas supply.

The gas supplier 91 may supply a gas to the gas supply passage 95 of the guide member 40, and may apply a ring blower and a compressor that may generate air and steam, and the ring blower. And the compressor can be implemented by applying a structure such as a blower which is generally used, and thus detailed description thereof will be omitted.

The gas supply pipe 92 is formed of a hose or a pipe, such as the fluid supply pipe 82 and the discharge pipe 83 of the fourth embodiment, and has a double-divided structure to adjust the gap of the guide member 40. It is formed to be movable.

That is, when the present invention is configured as in the fifth embodiment, the product is smoothly discharged and guided by minimizing friction by continuously injecting gas from the guide surface for guiding the foamed resin during foaming and generating static electricity in the product. It is possible to prevent the phenomenon and improve the quality of the product.

Also in the above fifth embodiment, the present invention can be implemented in the same configuration as the above-described first to fourth embodiments except for the above-described configuration, and thus detailed description thereof will be omitted.

In the above description of the preferred embodiment of the molding die of the foamed resin extrusion machine according to the present invention, the present invention is not limited to this, and the invention is carried out by various modifications within the scope of the claims and the detailed description of the invention and the accompanying drawings. It is possible to do this and this also belongs to the scope of the present invention.

DESCRIPTION OF SYMBOLS 10 Extruder 11 Hopper part 13 Melt part
15 cooling part 17 molding part 19 conveying part
20: T-dice 21: Upper dice 22: Lower dice
23 groove 24a, 24b, 24c hole 25 locking jaw
26: nozzles 27: discharge port 28: foaming space
29 side wall 30 first adjusting member 31 nut member
40: guide member 41: fastening portion 41a: adjustment hole
41b: fastening hole 42: guide surface 43: step
45: fixing member 50: second adjusting member 60: guide bar
61: fixed portion 62: the bow portion 70: guide portion
71: support block 72: guide block 73: adjustment means
74: fastening member 80: temperature control device 81: fluid supply
82: fluid supply pipe 83: discharge pipe 85: fluid circulation path
86,96 Inflow 91 Gas Supply 92 Gas Supply Pipe
93: nozzle 95: gas supply passage

Claims (10)

In the extrusion molding machine for forming a foamed resin consisting of a hopper portion, a melting portion, a cooling portion, a molding portion, a conveying portion so as to be continuously foamable,
The rear end is connected to the cooling unit, and the upper and lower dies are coupled to each other at opposite positions, and the connecting portion of the upper and lower dies is provided with a nozzle to which the foamed resin is supplied and the supplied foamed resin is forward. A discharge hole is formed so as to be foamable, and a groove portion is formed above the front side of the upper die;
A first adjustment member installed to elastically deform one side of the upper die at a position where the groove portion of the T-dice is formed, and adjusting a distance between the discharge holes;
A pair of guide members installed on the front side of the T-dice and facing up and down, and having one end thereof in contact with the molding part so that the foamed resin foamed to the discharge port is guided to the molding part along the guide surface; ;
And a second adjusting member which is provided in a plurality of upper and lower ends of the upper and lower dies, respectively, so as to adjust an interval between the guide members.
A guide bar which is installed at both ends of the front side of the T-dice at a position where the guide member is provided and extends forwardly and is molded from the discharge port and then molded to maintain a constant width of the foamed resin supplied to the molding part. and,
The guide bar has a fixed portion formed to be fixed to the side wall of the T-dice, and protrudes forward from the fixed portion and one side is formed from the side of the guide member to form a convexly curved outward and then to a straight surface. Molding die of the foamed resin extrusion machine, characterized in that made up including the extended form.
delete The method according to claim 1,
Molding die of the foam resin extrusion molding machine is fixed to the molding portion and located in front of the guide member for molding by adjusting the width of the foamed resin foamed to the discharge port.
The method according to claim 3,
The guide portion, and the support block is fixed to the left and right respectively on the molding portion,
A guide block located in an inner direction provided with the guide member from the support block and guiding the foamed resin foamed from the discharge port;
One end is fixed to the guide block and is formed to extend in the opposite side to be connected to pass through the support block and to adjust the guide block within a range of extended length and then fixed with a plurality of fastening members to set the width of the foamed resin Molding die of the foam resin extrusion molding machine comprising a control means.
The method according to claim 1,
The guide member has a fluid circulation path formed so that both sides communicate in the transverse direction to supply and discharge fluid from the outside,
The one end is connected to the fluid circulation path and the molding die of the foam resin extrusion molding machine further comprises a temperature control device for circulating the fluid to control the temperature change occurring in the guide member.
The method according to claim 5,
The temperature control device, and a fluid supply to circulate to generate and supply fluid from the outside to the fluid circulation path of the guide member;
A fluid supply pipe connected to one side of the fluid supply and connected to an inflow hole formed at one end of the fluid circulation path to supply fluid to the guide member;
Molding die of the foam resin extrusion molding machine, characterized in that the opposite side of the fluid supply pipe is connected to the discharge hole formed in the fluid circulation path and the opposite side comprises a discharge pipe connected to the fluid supply.
The method according to claim 1,
A gas supply passage formed at a position close to the guide surface of the guide member so that an inner side thereof is hollowed in a transverse direction to supply gas;
A nozzle which communicates with the gas supply passage and injects gas into the foamed resin that is formed on the guide surface and foamed from the discharge port;
A gas supplier for generating and supplying gas to the gas supply path;
One side is connected to the gas supply and the other side is a molding die of the foam resin extrusion molding machine, characterized in that further comprising a gas supply pipe connected to the inlet hole formed at one end of the gas supply passage.
The method of claim 7,
The nozzle, the forming die of the foam resin extrusion molding machine, characterized in that formed to become narrower gradually as the reference to the gas supply passage.
The method according to any one of claims 1 and 3 to 8,
The guide member includes a fastening portion for forming a flat surface vertically and horizontally to be fixed to the T-dice as a fixing member;
A guide surface which is inclined at an acute angle toward the molding part from one end of the surface which is fastened to the T-dice and is in contact with the foamed resin foamed from the discharge port,
The molding die of the foaming resin compression molding machine characterized in that it comprises a stepped protruding toward the front of the fastening portion and inserted into the molding portion.
The method according to claim 9,
The fastening part may include a plurality of adjusting holes formed to be connected to and coupled to the second adjusting member provided on the T-dice.
Forming die of the foam resin compression molding machine is formed to be fixed to the T-dice by the fixing member, and comprises a fastening hole formed with a flow path so that the guide member can move up and down.

Images