KR20140027644A - Elastic compressed molding manufacturing method and compressed molding - Google Patents

Abstract

The present invention greatly improves the productivity of elastically compressed molded products, improves the production of high-quality products, saves electrical energy consumption, improves energy efficiency, and reduces manufacturing costs. The present invention relates to a method for manufacturing a compressed molded article having elasticity and to a compression molded article to be improved so as to supply a compressed molded article having high quality elasticity.
Accordingly, the present invention provides a material preheating step of heating and moving or injecting a rubber powder material to be heated to 70-250 ° C. while maintaining a 70-250 ° C. during the movement of the rubber powder material. A heating mixing step of heating and mixing the binder to be mixed and a molding treatment step of putting the rubber-like rubber dough prepared by mixing the rubber powder material and the binder into a mold and cooling the room temperature in a pressurized state. A material preheating step of preheating the rubber powder material to 70-250 ° C. by means of a heat mixing means which allows the rubber powder material to move in a linear direction by means of a screw while providing a method for producing a compressed molded article having elasticity. Heat mixing step of mixing the powder material by mixing the binder in the process of moving by the screw A method of manufacturing a compression molded article having elasticity comprising a molding treatment step of continuously forming the rubber dough material prepared by mixing the rubber powder material and the binder into a mold and cooling the product at room temperature in a pressurized state. It is to provide a compression molded article having an elastic having a homogeneous quality.

Description

Elastic compressed molding manufacturing method and Compressed molding

The present invention relates to a molded article having elasticity, such as a rubber mat or a rubber block, and more particularly, to produce a compression molded article which is molded by compressing the rubber as a main material, which is very efficient and improved so that productivity can be greatly improved. The present invention relates to a compression molded article and a compression molded article having elasticity.

In general, molded articles are injection molded articles manufactured by injection molding using plastic as an address material, and are classified into compression molded articles formed by putting a material into a mold and compressing with a compressor such as a rubber mat or a rubber block.

The present invention relates to a press-molded article. In the conventional method for manufacturing a press-molded article, the upper and lower parts of the mold are heated with a heater while being pressurized at a sufficient pressure in a state in which a binder is mixed with a rubber chip or rubber powder and then injected into a mold. Then, to reach the target temperature, a compression molded article was manufactured by demolding the mold.

However, since the main material is heated inside the mold, it is heated by moving the heat energy from the outside to the inside, so that most of the major materials such as rubber or synthetic resin have a high specific heat and low thermal conductivity, so the heating time is very long. As a result of this, other processes cannot be executed during the process of compressing the material in the mold, which leads to a problem of very poor productivity, and a problem in that the price of a compression molded product such as a mat or a block increases. It is caused.

In addition, since heat energy is transferred from the outside of the mold to the inside, the material is heated. As a result, the temperature difference between the edge and the inside of the material is inevitably generated. There is a problem that can not be manufactured and quality degradation is caused.

In addition, in order to heat the material to be compressed inevitably thick mold cover or the bottom surface is to be heated, because the heating time is long and unnecessary power consumption is a lot of energy consumption is not efficient and it is accompanied with an uneconomical problem.

In the prior art, there are a number of prior patents as described in the prior art document, but they are irrelevant to productivity and energy efficiency, and they also have problems of low productivity and high electric energy consumption.

KR 10-0368992 B1 2003.01.24 KR 10-2005-0119485 A 2005.12.21 KR 10-0605491 B1 2006.07.28 KR 10-0825485 B1 2008.04.28 KR 20-0282364 Y1 2002.07.22

An object of the present invention is to provide a compression molded article manufacturing method and a compression molded article having improved elasticity to greatly improve the productivity of the compression molded article and to produce a homogeneous good quality product.

Another object of the present invention is to enable the reduction of electrical energy consumption to increase energy efficiency and to reduce manufacturing costs, thereby enabling the supply of high-quality compression molded articles having a cheaper and more uniform quality.

The present invention provides a material preheating step of heating and moving or spraying or spraying a rubber powder material to heat 70-250 ° C., and heating 70-250 ° C. during the movement of the rubber powder material. And a heat mixing step of mixing the binder and mixing, and a molding processing step of putting the rubber-like rubber dough prepared by mixing the rubber powder material and the binder into a mold and cooling the room temperature in a pressurized state. The manufacturing method of the compression molded article which has elasticity has the characteristics.

In the material preheating step, the rubber powder material is preheated by receiving the thermal energy of the electric heater and putting the rubber powder material into the stirrer having a stirring impeller and stirring, or the rubber powder material along the heating tube receiving the thermal energy of the electric heater. Another feature is that it is made by any one of receiving the heat energy in the process of being transferred to the blowing force of the blower to be preheated.

The material preheating step is to disperse the rubber powder material injected by the injector into the preheating means in a vortex state in the upper direction by the hot wind of the hot winder to heat the rubber powder material in the vortex state in the downward direction by gravity. Another feature is that it is made to absorb the heat energy while falling.

The heater is provided on the outer circumferential surface of the preheating means to provide thermal energy to the rubber powder material that is dropped.

The heat mixing step is characterized in that the heat mixing means for moving the rubber powder material in a linear direction by means of a screw.

And the present invention is a material preheating step to preheat the rubber powder material to 70-250 ℃ by heat mixing means to move the rubber powder material in a linear direction by the screw and the preheated rubber powder material is moved by the screw The heat mixing step of mixing the binder in the process is made in succession, molding the rubber-like rubber dough prepared by mixing the rubber powder material and the binder into a mold and molding to allow room temperature cooling in a pressurized state Another aspect of the present invention provides a method for producing a compression molded article having elasticity including a treatment step.

The heating mixing means is a rubber powder material conveyed in a straight direction inside the cylindrical tube by a screw rotated by a deceleration motor power is heated by receiving the heat energy of the electric heater, the binder is sprayed on the rubber powder material by a binder sprayer It is another feature that the mixing is made in a gel form by screw rotation.

After the molding treatment step, the rubber dough in the gel state having a temperature of 70-250 ° C. is put into the mold, and then the cover is placed on the upper surface of the rubber dough and pressed by a press for 1-5 minutes, and then the cover is clamped. It is characterized in that it is made to be cooled to the mold by cooling at room temperature for 10-30 minutes in a compressed state.

The binder mixed in the rubber powder material is a urethane liquid, and the rubber powder material is mixed with 85-95 parts by weight of the rubber powder material, 5-15 parts by weight of the urethane liquid to form a rubber dough, or the resin powder material in the rubber powder material After further mixing to be preheated to 70-250 ℃ to be mixed with the urethane liquid, 60-75 parts by weight of rubber powder material, 20-25 parts by weight of resin powder material, 5-15 parts by weight of urethane liquid Another characteristic is that any one of the rubber synthetic resin mixture dough is made.

A rubber synthetic resin dough is filled on the rubber dough, and a rubber dough is filled on a mold again to form a molding treatment step.

And it is characterized in that the compression-molded article is produced homogeneously by the above methods.

According to the present invention, since the rubber dough in a homogeneously heated state is pressurized, the quality of the compressed molded article having elasticity in the finished state becomes homogeneous, thereby improving product quality.

In addition, the present invention is to preheat the rubber powder material first, but to preheat quickly and evenly, and homogeneously mix the binder in the preheated rubber powder material, and then put into the mold to reduce the manufacturing time significantly according to the method is carried out. By being able to be manufactured continuously and can be greatly improved the production yield and the electric energy can be saved, there is an economic effect.

In addition, the present invention is to provide an effect that the production cost of the compression-molded article such as mat or block is improved, thereby reducing the manufacturing cost of the compression-molded article can be more affordable than the high-quality products.

1 is a schematic view showing an example illustrating a manufacturing process according to the present invention;
2 is a schematic view of an embodiment illustrating a molding treatment step according to the present invention;
3 is a schematic view showing another embodiment of the molding treatment step of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the accompanying drawings.

As the rubber powder material used in the practice of the present invention, a rubber chip or a rubber powder material is used. Most preferred is a rubber powder material made by recycling waste tires as an environmentally friendly material.

In addition, a resin powder material which is further mixed with the rubber powder material is used. The resin powder material is preferably a resin powder material made by recycling waste synthetic resin in a resin chip or powder state.

As described above, a technology for making a rubber powder material by recycling waste tires and a technology for making a waste synthetic resin from a resin powder material are already known, and thus detailed descriptions thereof will be omitted.

In the present invention, the rubber powder material and the resin powder material as well as the granular rubber chip or resin chip may be used, or to explain the example using the rubber powder material and resin powder material to help the understanding of the present invention. do.

Therefore, the material preheating step is carried out in the first step of the present invention.

The material preheating step is to preheat the rubber powder material and to heat the rubber powder material to 70-250 ° C.

In particular, the present invention is characterized in that the rubber powder material is heated while being flowed or moved.

That is, when the rubber powder material is not gathered in one place but is in a state of moving or moving by blowing force or moving means, when thermal energy is applied, thermal energy is quickly transferred to small powder particles, so that the preheating target temperature is quickly reached. Is reached.

As a method of preheating the rubber powder material as described above, the rubber powder material is put into the stirrer provided on the outer circumferential surface of the electric heater, and the rubber powder material is swayed by the stirring impeller to receive the heat energy of the electric heater. Methods to be heated may be practiced.

As another method, a method of absorbing thermal energy may be performed while the rubber powder material is moved to a heating tube in which the electric heater is wound on the outer circumferential surface. In this case, the rubber powder material may move the inside of the heating tube by the blower wind, or may receive heat energy while moving by the screw rotated inside the heating tube.

Since the implementation means of the above embodiment can be produced by those skilled in the art, detailed drawings will be omitted.

On the other hand, another preferred method is to heat the rubber powder material in the preheating means 20 as shown in FIG.

Therefore, the rubber powder material (P) from the powder material tank 10 toward the upper portion of the preheating means 20 is continuously injected into the preheating means 20 by the injector (11).

The hot air blower 21 is blown on the lower side of the preheating means 20, and the upper air blower 23 is provided on the outer circumferential surface so that the hot air blows upward.

At this time, the hot air is blown along the inner circumferential surface of the preheating means 20 so that the vortex is generated as shown by the arrow of FIG.

In addition, the hot air to be blown is to cause the rubber powder material (P) injected into the preheating means 20 to be rotated in the vortex by causing a weak wind (weak wind), not a strong wind (strong wind). .

The outer circumferential surface of the preheating means 20 is provided with an electric heater 26. The electric heater 26 supplies heat energy into the preheating means 20, and in some cases, may be installed inside the preheating means 20.

Therefore, the inside of the preheating means 20 is maintained in a hot state by the hot air supplied from the hot air blower 21 and the heat energy of the electric heater 26, the hot air temperature is controlled by the temperature sensor 27, the control unit 50 Is always applied.

And the control unit 50 is set so that the internal temperature of the preheating means 20 is input to the control circuit to maintain the 70-250 ℃ state. Since the control circuit technology of the controller is a known technology, detailed drawings and descriptions thereof will be omitted.

Thus, for example, when the preheating temperature setting of the control circuit is set to 70-250 ° C, when the internal temperature of the preheating means 20 is 70 ° C or less, the controller 50 operates the electric heater 26, On the contrary, when the temperature is 250 ° C. or more, the electric heater 26 is stopped to maintain the internal temperature of the preheating means 20 at 70 ° C. to 250 ° C.

In addition, for example, when the preheating temperature setting of the control circuit is set to 120-150 ° C, when the internal temperature of the preheating means 20 is 120 ° C or less, the control unit 50 operates the electric heater 26, and conversely 150 When the temperature is higher than or equal to C, the electric heater 26 is stopped to maintain the internal temperature of the preheating means 20 at 120 to 150.degree.

That is, the present invention is to be heated to a preheating temperature suitable for the material to be preheated.

Therefore, since the hot air is blown upward by blowing the rubber powder material P injected by the injector 11 in a state where the internal temperature of the preheating means 20 maintains a high temperature, the rubber powder material P is heat energy of hot air. Since it is in a state of receiving, it is in a state of being primarily heated.

And the rubber powder material (P) was bent by the hot air is gradually lowered downward by gravity, and thus the rubber powder material (P) is subjected to heat energy while falling in the downward direction, so the state of being heated second As a result, the rubber powder material P is heated to the target preheating temperature.

On the other hand, since the hot air blown by the preheating means 20 is returned to the hot air blower 21 through the filtration filter 25 and the circulation pipe 24 to be heated again, and then the air blown to the preheating means 20 again. By recycling the thermal energy it is possible to save electrical energy.

In addition, since the electric heater 26 is operated only when the internal temperature of the preheating means 20 becomes below an appropriate temperature, this also saves electric energy.

Therefore, the present invention is the rubber powder material (P) dropped to the lower portion of the preheating means 20 is preheated to the target preheating temperature, the rubber powder material (P) preheated in this way of the heat mixing means (30) Feeding into the inlet (32).

Therefore, the heat mixing step is carried out in two steps in the present invention.

The heat mixing step is a step of mixing the binder in the rubber powder material (P) preheated to the target temperature.

The binder is a kind of adhesive, it is preferable to use an environment-friendly urethane liquid. Urethane has very good physical properties such as flame resistance, abrasion resistance, solvent resistance, and chemical resistance, and has excellent adhesion function to solidify rubber powder material (P).

However, the binder used in the present invention is not limited to the urethane liquid, and in some cases, a different kind of binder may be used, and in some cases, a bond type may be used. Since the adhesive function of the urethane liquid is already known, detailed description thereof will be omitted.

Therefore, the present invention is to mix 85-95% by weight of the rubber powder material, 5-15% by weight of the urethane liquid.

However, in some cases, a resin chip or resin powder material may be further blended. In this case, 60 to 75 parts by weight of rubber powder material, 20 to 25 parts by weight of resin powder material, and 5 to 15 parts by weight of urethane liquid are mixed. As the resin chip or resin powder material, it is preferable to utilize a resin chip or resin powder material made by recycling waste synthetic resin.

Even when the resin powder material is further blended and mixed as described above, the resin powder material is mixed with the rubber powder material in a preheated state by the preheating means 20.

In addition, the temperature at the time of mixing should be mixed at a temperature of 70-250 ° C. so that the fluidity of the urethane liquid is good and the mixture is good.

Therefore, in the practice of the heat mixing step of the present invention, in one implementation method, the electric heater is charged with a rubber powder material and a binder (urethane liquid) into a stirrer provided on the outer circumferential surface of the electric heater while being stirred by an agitating impeller. Receiving the heat energy of the heater may be implemented to be mixed while heating. Since such embodiments can be manufactured by those skilled in the art, detailed drawings will be omitted.

As another embodiment, it can be implemented by the heat mixing means 30 as shown in FIG.

The pre-heated rubber powder material P is introduced into the inlet 32 of the heating mixing means 30, and the rubber powder material P thus injected is slowly rotated by the power of the reduction motor 34. While rotating by 35) it is gradually moved in the forward direction along the cylindrical tube (31).

Then, the urethane liquid is injected into the cylindrical tube 31 by the binder spraying machine 37 in the middle portion of the cylindrical tube 31 to be mixed with the rubber powder material P. The binder sprayer is sprayed by receiving the urethane liquid stored in the binder tank 40.

Since the rubber powder material (P) is only in a preheated state, the liquid urethane liquid is mixed in a state of being well mixed with the rubber powder material (P), which is a solid, and the cylindrical tube 31 for better mixing. Preferably, 4-8 binder sprayers 37 are installed on the circumferential surface.

In addition, the plurality of binder injectors 37 are installed such that the nozzles are inclined so as to be inclined toward the circumferential surface direction of the cylindrical tube 31 so that the urethane liquid to be sprayed onto the circumferential surface may be sprayed on the vortex. It is preferable.

In addition, the rubber powder material and the urethane liquid are mixed with each other while being rotated along the screw 35 is in a good mixing state.

On the other hand, the electric heater 33 is installed on the outer circumferential surface of the cylindrical tube 31, the electric heater 33 is a rubber powder material (P) which is moved along the inside of the cylindrical tube 31 is the appropriate temperature (preheating temperature) Function to maintain.

In particular, since the temperature of the rubber powder material (P) may be lowered during the winter season, the cylindrical tube 31 is heated by using the electric heater 33 so that the temperature of the rubber powder material (P) is appropriate. To keep it.

In addition, when the urethane liquid is sprayed on the rubber powder material (P), the temperature of the rubber powder material (P) preheated to a high temperature may be lowered, at this time 70-250 ℃ which is a temperature of a good state to be molded by the electric heater 33 It is to be heated to be.

On the other hand, the present invention may be such that the first step of the material preheating step and the second step of the heat mixing step by the heat mixing means (30).

In this case, the rubber powder material (P) is introduced into the inlet (32) and the rubber powder material (P) is moved along the screw (35) by the heat energy of the electric heater 33 in the process of preheating temperature 70-250 It is to be heated to ℃, and then the urethane liquid is injected by the binder sprayer 37 to be mixed with the rubber powder material (P).

In this case, in order to allow the rubber powder material P to be sufficiently preheated, the distance between the inlet 32 and the binder sprayer 37 is made to have a fairly long length.

Therefore, the rubber powder material (P) and the urethane liquid is mixed and kneaded in the process of moving while rotating along the screw 35 is in a state such as gel. In this way, the dough becomes like a gel state to be understood and described as rubber dough (Pa) to help the understanding of the present invention.

The rubber dough (Pa) is kneaded in the process of moving while rotating along the screw 35 is in a gel-like state, just before being discharged to the discharge pipe 38, a number of rubber dough (Pa) By colliding and crushing the mixing wall 36 having a hole, the homogenization can be achieved as the final mixing is performed once more.

Therefore, the rubber dough Pa is discharged along the discharge pipe 38 provided at the end of the cylindrical pipe 31. The discharge tube 38 may be provided with one or several, it is discharged so that the rubber dough (Pa) is injected into the mold 60 through the discharge tube 38.

That is, the metal mold | die 60 shown in FIG. 1 is a top view, Comprising: It isolate | separates into partitions (unsigned), respectively, in order to shape | mold many mats (four in the figure) in one metal mold | die.

Therefore, the plurality of discharge pipes 38 are positioned in each separate mat forming space of the mold 60 shown in FIG. 1 so that the rubber dough Pa is discharged in each forming space.

In this case, the discharge pipe 38 may be allowed to move in the left and right directions or to rotate the rubber dough (Pa) evenly in the mold (60). As described above, the structure for allowing the discharge pipe 38 to be moved or rotated in the horizontal direction is well known in the art, and thus detailed drawings or descriptions thereof will be omitted.

In addition, the present invention manufactures the mat by allowing the mold 60 is detected by the weight sensor (not shown) when the rubber dough (Pa) is discharged into the mold through the discharge pipe 38 as described above An appropriate amount of rubber dough (Pa) is to be discharged to the mold (60).

That is, the weight sensor detects the weight of the mold 60 in the state where the rubber dough Pa is discharged to the mold 60 from the weight of the mold 60 before the rubber dough Pa is discharged. When the weight of the mold 60 in the discharged state of water (Pa) is sensed, the discharge is stopped so that the appropriate amount of rubber dough (Pa) is discharged to the mold. As described above, it is already known that the appropriate amount of rubber dough (Pa) is discharged to the mold 60 by the weight sensor, so detailed drawings and descriptions thereof will be omitted.

Next, the molding process step of the third step of the present invention is carried out.

The molding treatment step is a final step of filling the mold 60 with rubber dough (Pa) to complete the compression molded article having elasticity.

In the molding process step, as shown in FIG. 2, the rubber dough (Pa) is filled in the mold 60, and then the cover 61 is covered thereon.

At this time, before covering the cover 61, a pre-fabricated background, a character, a character or a picture, and a thin background plate member (not shown) printed with a name or a sentence is placed on the upper surface of the rubber dough (Pa). The cover 61 may be covered after being placed.

Next, the cover 61 is pressed by the pressure plate 72 of the hydraulic cylinder 71 of the presser 70 so that the rubber dough Pa is pressed for 1-5 minutes.

Then, the cover 61 is fixed to the mold 60 by the clamp 62 so that the cover 61 presses the rubber dough Pa, and then the pressing force of the presser 70 is terminated and the presser 70 The mold 60 is separated from the mold 60 to be separated.

Next, the mold 60 is moved to a place with good ventilation, and cooled at room temperature by natural wind for 10-30 minutes at room temperature. Then, the clamp 62 is released and the cover 61 and the mold 60 are demolded. Compression molded product having a is completed.

On the other hand, the present invention can be prepared by mixing the urethane liquid in the rubber powder material (Pa), or by further mixing the resin powder material in the rubber powder material to be preheated to 70-250 ℃ urethane liquid By mixing with the rubber synthetic resin mixture (Pb) will be able to be prepared.

Therefore, in the molding process step, it is possible to obtain a compressed molded product in which the rubber dough (Pa) is compressed and cooled, or to obtain a compressed molded product in which the rubber synthetic resin mixture dough (Pb) is compressed and cooled.

Therefore, the present invention in the molding process step, as shown in Figure 3, the first filling the rubber dough (Pa) in the mold 60, the rubber synthetic resin dough (Pb) is filled thereon, the rubber synthetic resin dough (Pb) After the rubber dough (Pa) is filled again, the compression molded product is compressed and cooled to obtain a compression molded article having a three-layer structure. In some cases, a compression molded article having a four-layer structure and a multilayer structure having more than one layer can be obtained. It will be able to manufacture. Compression molded articles having a multi-layer structure as described above is further increased durability by rubber synthetic resin dough (Pb) when used as an elastic block used as a sidewalk.

Therefore, in the molding process step, the rubber dough (Pa) at 70-250 ° C. is filled in the mold 60 so as to be pressurized, so that a compression molded article such as a mat or a block can be completed in a shorter time than before. do.

In other words, in order to help the understanding of the present invention, in the past, raw materials were mixed first and then put into a mold to be manufactured by heating and pressurizing the mold in a long time.

However, in the present invention, the preheating of the rubber powder material is first preheated quickly, and the binder is mixed with the preheated rubber powder material, and then put into a mold, thereby reducing the manufacturing time drastically and continuously. Production can be greatly improved by being able to manufacture.

In addition, since the production amount is improved, the manufacturing cost of the compression molded article is reduced, and thus it can be more inexpensively supplied.

In addition, in the molding treatment step, since the rubber dough (Pa) in a uniformly heated state is pressurized, the quality of the compressed molded article having elasticity in the finished state becomes homogeneous, thereby improving quality.

The present invention is not necessarily limited to what has been described in the embodiments of the present invention may be modified in various forms by those skilled in the art to which the present invention pertains to be broadly protected without greatly departing from the claims. It is self-evident.

10: powder material tank 11: injector
20: preheating means 21: hot air fan
23: upward air blow 24: circulation tube
25: filtration filter 26: electric heater
27: temperature sensor 30: heating mixing means
31: cylinder tube 32: entrance
33: deceleration motor 35: screw
37: binder sprayer 38: discharge pipe
40: binder tank 50: control unit
60: mold 61: cover
62: clamp 70: presser
71: hydraulic cylinder 72: pressure plate

Claims (11)

The material preheating step of heating and moving or spraying the rubber powder material to impart heat energy to be heated to 70-250 ° C., and heating and maintaining the binder at 70-250 ° C. during the movement of the rubber powder material. And a heat treatment step of mixing the rubber powder material and the binder into a mold, and a molding process step of allowing the rubber dough material prepared in the gel state to be mixed into the mold and being cooled to room temperature in a pressurized state. Compression molded article manufacturing method having an elastic.
The heating tube according to claim 1, wherein the material preheating step receives the thermal energy of the electric heater and injects the rubber powder material into the stirrer having a stirring impeller and causes the rubber powder material to be preheated or receives the thermal energy of the electric heater. According to claim 1, wherein the rubber powder material is made by any one of being preheated by receiving heat energy in the process of being transferred to the blowing force of the blower.
According to claim 1, wherein the material preheating step, the rubber powder material injected by the injector into the preheating means is heated by dispersing the rubber powder material by the hot wind of the hot air in the upper direction in the vortex state and then the rubber powder material by gravity Method for producing a compression molded article having an elasticity, characterized in that made to absorb the thermal energy while falling in the vortex state in the downward direction.
4. The method as claimed in claim 3, wherein an electric heater is provided on an outer circumferential surface of the preheating means to impart thermal energy to the rubber powder material that is dropped.
The method of claim 1, wherein the heat mixing step is performed by heat mixing means for causing the rubber powder material to move in a linear direction by a screw.
The material preheating step of preheating the rubber powder material to 70-250 ° C. by means of a heat mixing means which causes the rubber powder material to move in a linear direction by means of a screw and a binder in the process of moving the preheated rubber powder material by a screw. A heating mixing step of mixing the mixing is performed continuously;
And a molding treatment step of putting the rubber-like rubber dough prepared by mixing the rubber powder material and the binder into a mold and cooling it at room temperature in a pressurized state.
According to any one of claims 5 and 6, wherein the heating mixing means, the rubber powder material conveyed in a linear direction inside the cylindrical tube by a screw rotated by the reduction motor power is heated by the heat energy of the electric heater. After the binder is sprayed on the rubber powder material by a binder spraying machine is a method of manufacturing a compression molded article having elasticity, characterized in that to be mixed into a gel-like rubber dough by screw rotation.
According to any one of claims 1 to 6, wherein the molding step is, after the rubber-like rubber dough having a temperature of 70-250 ℃ is put into the mold to cover the upper surface of the rubber dough to the press After pressing for 1-5 minutes by the clamp is fixed to the mold by a clamp, the compression molded article manufacturing method having an elasticity characterized in that it is cooled to room temperature for 10-30 minutes in a compressed state.
The rubber binder according to any one of claims 1 to 6, wherein the binder mixed with the rubber powder material is a urethane liquid, and the rubber powder material is mixed with 85-95 parts by weight of the rubber powder material and 5-15 parts by weight of the urethane liquid. To make water, or to further mix the resin powder material in the rubber powder material to be preheated to 70-250 ℃ and mixed with the urethane liquid, but 60-75 parts by weight of rubber powder material, 20-25 weight of resin powder material A method for producing a compression molded article having elasticity, characterized in that any one of which is made by mixing of 5% by weight and 5-15% by weight of a urethane solution to make a rubber-mixed resin mixture dough.
10. The method of claim 9, wherein a rubber synthetic resin dough is filled on the rubber dough, and the rubber dough is filled on the rubber dough again to form a molding process characterized in that the molding treatment step is made. Way.
An elastic molded article produced by the method of any one of claims 1 to 6.

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