KR20120116114A - Molding machine and method for making mold - Google Patents

Abstract

PURPOSE: A molding machine and a mold manufacturing method are provided to reduce costs for manufacturing a mold and a mold forming period because a process spreading a molding agent or a wax for forming primarily forming a model and secondarily forming a master model is omitted. CONSTITUTION: Each of a main agent withdrawable part and a hardening agent withdrawable part is composed of a motor, a crank unit, an adhering plate, and a pumping unit. The crank unit converts the rotating motion of the motor into reciprocating motion. The adhering plate is inserted into an upper opening of a main agent storing unit or a hardening agent storing unit, thereby being closely adhered to a main agent or hardening agent. An air intake port connected to the main agent storing unit or the hardening agent storing unit is formed in the adhering plate. The pumping unit pumps by the reciprocating motion of the crank unit in order to discharge the main agent or hardening agent to a stirring device through a discharging hole because the main agent or hardening agent is withdrawn from the main agent storing unit or hardening agent storing unit through the air intake port.

Description

Molding Machine and Mold Manufacturing Method {MOLDING MACHINE AND METHOD FOR MAKING MOLD}

The present invention relates to a molding machine and a mold manufacturing method, and more particularly, to a molding machine for withdrawing and conveying the main body and the curing agent to mix the main body and the curing agent in a predetermined mixing ratio, and a mold manufacturing method for manufacturing a mold using the same. .

In the conventional apparatus for producing a molding agent by mixing the main body and the curing agent, an air pump or a hydraulic pump is attached to a container such as a drum container containing the main body or the curing agent, and the main body and the curing agent are taken out and mixed.

In mixing the main body and the curing agent in a quantitative ratio such as a molar ratio or an equivalent ratio, a molding agent having good properties can be obtained only when the mixing ratio of the main body and the curing agent is very accurate. However, in the case of the conventional apparatus described above, due to the high viscosity of the main agent and the curing agent, the exact mixing ratio cannot be obtained, resulting in a closed end in which the physical property performance cannot be designed first. That is, when the viscosity of the main material and the curing agent is high and the viscosity of the main material and the curing agent are different from each other, and the main and the curing agents are drawn out by using an air or hydraulic pump, the discharge amount is different from the terminal part of the hose, It is difficult to match the mixing ratio.

Moreover, the high viscosity main and hardeners are difficult to transfer due to the resistance of the hose when transported through the hose, and the longer the length of the hose, the greater the resistance and the more difficult the transfer of the main and hardeners becomes. Therefore, in the case of using a conventional mixing device, the higher the viscosity (particularly, the higher viscosity according to the low temperature in winter) and the hardening agent, it is difficult to maintain a predetermined mixing ratio by transferring at a constant speed.

On the other hand, in the conventional mold production method is to produce a product shape using plywood and wood, and then surface treatment using an unsaturated resin on it and then proceeds to mold production by treatment with wax or release agent. Therefore, the production period of the mold is required for a short working period of about 8 months to 6 months long, a lot of labor costs according to the manual work of a large number of people. And, the surface of the mass produced product is uneven, so the sanding operation is a necessary factor for the mass produced product. In addition, the health problems are caused by the fine dust of the fiber glass generated during the sanding operation.

Accordingly, the present invention has been proposed to solve the above problems of the prior art, to provide a molding machine for maintaining a predetermined mixing ratio by transferring a high viscosity of the main material and the hardener at a constant speed using a mechanical force The purpose.

Another object of the present invention is to provide a mold manufacturing method which shortens the mold forming period and reduces the mold manufacturing cost by omitting the process of applying a wax or a molding agent that primarily produces a model and secondly forms a master model. For that purpose.

According to the present invention, the object is stored subject storage; A curing agent storage unit in which a curing agent is stored; A stirring part for mixing the main material and the curing agent to form a molding agent; A subject extraction unit configured to extract the subject from the subject storage unit and to transfer the subject to the stirring unit; A curing agent withdrawing unit which draws out the curing agent from the curing agent storage unit and is transferred to the stirring unit; A discharge part connected to the stirring part to discharge the molding agent; And a controller configured to control the main lead-out part and the hardener lead-out part to adjust the mixing ratio of the main body and the hardener, wherein the main lead-out part and the hardener lead-out part each include a motor; A crank unit for converting the rotational motion of the motor into a reciprocating motion; An adhesive plate inserted into an upper opening of the main storage unit or the hardener storage unit and in close contact with the main or hardening agent, and having an inlet formed in communication with the main storage unit or the hardener storage unit; A discharge port is formed in communication with the stirrer, and the main or hardener is pumped out of the main storage unit or the hardener storage unit through the suction port and discharged through the discharge port to the stirrer according to the reciprocating motion of the crank unit. It is achieved by a molding machine, characterized in that it comprises a pumping part.

In addition, the main lead-out cylinder; A main pressing frame coupled to the main drawing portion and lowering the main drawing portion by pressing the main drawing cylinder to allow the contact plate of the main drawing portion to press the main portion; A hardener lead-out cylinder; And a curing agent pressing frame coupled to the curing agent lead-out part to lower the curing agent lead-out part by pressurization of the curing agent lead-out cylinder to allow the adhesive plate of the curing agent lead-out part to pressurize the curing agent.

Here, the close contact plate is characterized in that the air discharge hole for discharging the air between the main or the hardener and the close contact plate to the outside is formed.

On the other hand, the stirring unit and the stirring cover formed with a main inlet and a hardener inlet through which the main and the hardener are respectively introduced; A screw rotatably installed on the stirring cover such that the main body and the hardener introduced through the main body inlet and the hardener inlet are mixed; A screw motor for rotating the screw; One side is connected to the discharge portion, the other side is connected to the discharge portion, characterized in that it comprises a discharge cover which is installed to surround the screw to guide the molding agent mixed by the screw to be discharged to the discharge portion.

According to the present invention, a method for manufacturing a mold for manufacturing a product, comprising the steps of: installing a styrofoam (Styrofoam) corresponding to the mold shape; Forming a styrofoam mold by processing the styrofoam to have a shape identical to the surface shape of the product by using a numerical control type machine tool according to the design; Applying a reinforcing agent to the styrofoam mold formed by processing the styrofoam to strengthen the surface of the styrofoam mold; Applying a molding agent ejected by a molding machine to the reinforced styrofoam mold; After hardening the molding agent, finishing the cured molding agent on the mold using the NC machine tool; It is achieved by a mold manufacturing method comprising the step of treating the surface to increase the hardness while smoothing the processed surface after the finishing process.

Here, the step of treating the surface after the finishing process comprises the steps of sanding the finished molding agent; Applying a gel coat on the sanding agent; Polishing the gelcoat after curing the gelcoat; It characterized in that it comprises the step of vacuum molding after laminating glass fibers on the polished gel coat.

In addition, the reinforcing agent is characterized in that it comprises a fiberglass (Fibreglass) and a resin.

The molding machine according to the present invention having the configuration as described above allows the mixing ratio of the main agent and the hardener to be kept constant by using the main lead portion and the hardener lead portion.

That is, each of the main lead-out and the hardener lead-out of the molding apparatus according to the present invention converts the mechanical force, that is, the rotational driving force of the motor into the reciprocating feed force that generates the suction force of the pumping part by using the motor, the crank unit and the pumping part. Can be effectively withdrawn from the main reservoir or the hardener reservoir even if the high primary or hardener is used, and also the resistance of the main transfer hose or the hardener transfer hose when transferring the high viscosity main and hardener through the main transfer hose or the Nevertheless, it is possible to effectively press the subject and the curing agent.

In addition, unlike the pneumatic pump, the mechanical force generated by the motor, the crank unit can be accurately transmitted at a constant speed even in the case of a high viscosity of the subject or hardener.

In addition, each of the main drawing portion and the curing agent drawing portion is provided with a motor, the motor can be controlled by the control unit 700 to simply adjust the ratio of the main and the curing agent to be transferred to the stirrer.

On the other hand, the mold manufacturing method according to the present invention having the configuration as described above shortens the mold forming period by omitting the process of applying a wax or a molding agent to produce a primary model and to form a secondary master model, to reduce the mold manufacturing cost Can be reduced. Therefore, preparation steps for mass production can be shortened.

1 is a conceptual diagram showing the operation of the molding machine according to the present invention,
2 is a perspective view of a molding machine according to the present invention,
3 is a cross-sectional view taken along line AA of FIG. 2,
4 is a view showing a movement operation of the contact plate of the molding machine according to the present invention,
5 is a view showing the operation of the main drawing portion or the hardener drawing portion of the molding machine according to the present invention,
6 is a block diagram of a mold manufacturing method according to the present invention,
7 to 20 is a view showing each process of the mold manufacturing method according to the present invention.

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

1 to 5, the molding machine 1 according to the present invention includes a main storage unit 100, a hardener storage unit 200, a stirring unit 300, a main extraction unit 400, and a hardener extraction unit. 500, a discharge unit 600, and a control unit 700.

In the main storage section and the curing agent storage section, the high viscosity main body 2 and the hardening agent 3 are respectively stored. Referring to FIGS. 2 to 5, the main storage unit 100 and the curing agent storage unit 200 have an opening formed thereon in a cylindrical shape. However, the shapes of the main storage unit 100 and the hardener storage unit 200 are not limited thereto, and may be formed in various shapes capable of storing the main body 2 and the hardener 3.

Referring to FIG. 2, the stirring unit 300 forms the molding agent 4 by mixing the main body 2 and the curing agent 3. Here, the stirring unit 300 includes a stirring cover 310, a main inlet 320, a hardener inlet 330, a screw 340, a screw motor 350, and a discharge cover 360.

Here, the stirring cover 310 has a space formed therein, each of the main inlet 320 and the curing agent inlet 330 disposed on one side of the outer surface of the stirring cover 310 is formed in communication with the inside of the stirring cover 310 do. Accordingly, the main body 2 conveyed through the main conveying hose 5 and the hardener 3 conveyed through the hardener conveying hose 6 are stirred cover 310 through the main inlet 320 and the hardener inlet 330 respectively. ) Is transferred inside.

In addition, the main body 2 introduced into the main inlet 320 and the curing agent 3 introduced into the hardening agent inlet 330 into the stirring cover 310 are mixed by a screw 340 rotatably installed in the stirring cover. . Here, the screw 340 is rotated by the screw motor 350. In addition, the speed of the screw motor 350 may be controlled by the controller 700.

Meanwhile, the main body 2 and the hardener 3 mixed by the screw 340 are mixed by the screw 340 by rotation to form the molding agent 4, and are discharged through the discharge part 600. In addition, the discharge cover 360 may be provided to prevent the molding agent 4 from flowing out. Here, the discharge cover 360 is one side is connected to the stirring cover 310, the other side is connected to the discharge portion 700, is installed to surround the screw 340. Therefore, the discharge cover 360 is connected to the discharge unit 600 to induce the molding agent 4 to be transferred to the discharge unit 600.

Referring to FIGS. 1, 2, and 5, the main lead-out unit 400 and the hardener lead-out unit 500 each include a motor (not shown), a crank unit 420 and 520, and contact plates 430 and 530. And pumping units 440 and 540.

The crank units 420 and 520 are driven by a motor and convert the rotational motion of the motor into reciprocating motion. Here, the crank units 420 and 520 may include crank shafts 421 and 521, crank rods 422 and 522, and circular guides 423 and 523.

Here, the crank shafts 421 and 521 are driven by a motor, and move along the circular guides 423 and 523 as the motor rotates. In addition, the crank rods 422 and 522 connected to the crank shafts 421 and 521 are connected to the pumping units 440 and 540 to transfer the vertical reciprocating motion to the pumping units 440 and 540 to transfer the main body 2 or the hardener 3. The suction force is generated in the pumping parts 440 and 540 such that the pump is withdrawn from the main storage part 100 or the curing agent storage part 200.

Referring to FIG. 4, the pumping units 440 and 540 include outlets 441 and 541, pistons 442 and 542, and pumping cylinders 543 and 543.

The pistons 442 and 542 are configured such that the outer circumferential surface diameter is the same as the inner circumferential surface diameter of the pumping cylinders 543 and 543 into which the pistons 442 and 542 are inserted, so that the pistons 442 and 542 have an inner circumferential surface of the pumping cylinders 543 and 543. By being in close contact with each other, the main body 2 and the hardener 3 inside the pumping cylinders 543 and 543 are installed so as to prevent external leakage of air. In addition, the pistons 442 and 542 are connected to the crank rods 422 and 522 to vertically reciprocate, and the main body 2 or the hardener 3 is withdrawn from the main storage unit 100 or the hardener storage unit 200. Generate suction power as much as possible. Then, the main body 2 or the hardener 3 withdrawn from the storage unit 100 or the hardener storage unit 200 is discharged through the outlets 441 and 541 to transfer the main transfer hose 50 or the hardener transfer hose 6. Through the stirrer 300 is reached.

Each of the main drawing part 400 and the hardening agent drawing part 500 of the molding apparatus 1 according to the present invention uses a motor, a crank unit 420 and 520, and a pumping part 440 and 540, respectively. Since the rotational driving force of the pump converts the reciprocating feed force to generate the suction force of the pumping unit (440, 540), even if the high viscosity of the main body (2) or the hardener (3) effectively the main storage unit 100 or the hardener storage unit 200 Can be withdrawn, and the main viscosity 2 and the hardener 3 having a high viscosity are transferred through the main transfer hose 5 or the hardener transfer hose 6. Despite the resistance of 6), it is possible to effectively press the main body 2 and the hardener 3.

That is, the mechanical force generated by the motor, the crank unit 420, 520 is transmitted to the pumping unit (440, 540) and the suction force for drawing the main body (2) or the hardener (3), and the extracted main body (2) or It is switched to the conveying force which presses the hardening | curing agent 3 to the stirring part 300. FIG. In addition, unlike the air pump, the mechanical force generated by the motor and the crank units 420 and 520 can transmit force accurately, so that even if the high viscosity of the main body (2) or the hardener (3), Can be transferred.

In addition, each of the main drawing unit 400 and the hardening agent drawing unit 500 is provided with a motor, and the controller 700 to be described later controls the speed of each motor to be transferred to the stirrer 300 and The ratio of the hardening | curing agent 3 can be adjusted simply.

Referring to FIGS. 1 and 2, the contact plates 430 and 530 may be in close contact with the main body 2 of the main storage unit 100 or the hardening agent 3 of the hardening agent storage unit 200. Here, the contact plates 430 and 530 may transfer the main body 2 or the hardener 3 from the main storage unit or the hardener storage unit to the pumping units 440 and 540 by the suction force of the pumping units 440 and 540. Intake ports 431 and 531 are provided. Accordingly, the main body 2 or the hardener 3 is withdrawn from the main storage unit 100 or the hardener storage unit 200 to the suction ports 431 and 531 by the suction force of the pumping units 440 and 540, and the discharge port 441, 541 is transferred to the stirrer 300.

In addition, the contact plates 430 and 530 may further include air discharge holes 432 and 532 for allowing air between the main body 2 or the hardener 3 and the contact plates 430 and 530 to be discharged to the outside. . That is, the contact plates 430 and 530 are provided with air discharge holes 432 and 542 to allow the air between the main body 2 or the hardener 3 and the contact plates 430 and 530 to be discharged to the outside. ) Or suction force of the pumping parts 440, 540 upon delivery of the hardener 3 to the main body 2 or the hardener 3.

1 to 5, the molding machine 1 according to the present invention may further include a main drawing cylinder 450 and a main pressing frame 460.

Here, the main pressurizing frame 460 is coupled with the main drawing part 400 to lower the main drawing part 400 by the hydraulic pressure (fluid pressure) of the main drawing part cylinder 450 so that the main drawing part 400 is removed. The contact plate 430 is lowered to pressurize the main body 2. Here, an air cylinder, a hydraulic cylinder, or the like may be used as the main lead-out cylinder 450, and the hydraulic pressure of the main lead-out cylinder 450 is transmitted along the hydraulic hose 7. Therefore, in addition to the subject being drawn out by the subject extracting unit 400, the subject plate 2 is pressed by using the subject extractor cylinder 450 and the subject pressing frame 460 to press the contact plate 430 of the subject extracting unit 400. ) To be withdrawn.

Looking at Figures 3 and 4 it can be seen that the operation of pressing the subject by the contact plate 430. Here, the operation of the main drawer cylinder 450 of the main drawer 400 is controlled by the main cylinder switch 451. Therefore, when the main body 2 is completely pulled out from the main storage unit 100, the contact plate 430 is raised as opposed to the pressing operation described above, and the main storage unit 100 is removed from the molding apparatus 1 according to the present invention. Will be removed. Here, the main cylinder switch 451 may be controlled by the controller 700.

1 to 5, the molding machine 1 according to the present invention may further include a hardener lead-out cylinder 550 and a hardener pressing frame 560.

Here, the curing agent pressing frame 560 is coupled to the curing agent lead-out unit 500 is lowered by the curing agent lead-out unit 500 by the pressing of the curing agent lead-out cylinder 550, the adhesive plate 530 of the curing agent lead-out unit 500 The curing agent 3 is lowered to pressurize. Here, an air cylinder, a hydraulic cylinder, or the like may be used as the hardener outlet cylinder 550, and the hydraulic pressure of the hardener outlet cylinder 550 is transmitted along the hydraulic hose 7. Therefore, in addition to the withdrawal of the hardener 3 by the hardener lead-out unit 500, the adhesive plate 530 of the hardener lead-out unit 500 is pressed using the hardener lead-out cylinder 550 and the hardener pressing frame 560. The hardener 3 is taken out.

Looking at Figures 3 and 4 it can be seen that the operation of the hardening agent 3 is pressed by the contact plate 530. Here, the operation of the curing agent withdrawal cylinder 550 of the curing agent withdrawal unit 500 is controlled by the curing agent cylinder switch 551. Accordingly, when the curing agent 3 is completely withdrawn from the curing agent storage unit 200, the adhesion plate 530 is raised as opposed to the above-described pressing operation, and the curing agent storage unit 200 is removed from the molding apparatus 1 according to the present invention. Will be removed. Here, the curing agent cylinder switch 551 may be controlled by the control unit 700.

The discharge unit 600 may include a discharge hose 810 and a discharge unit 820. Here, the discharge hose 810 is connected to the stirrer 300 to guide the molding agent 4 discharged from the stirrer 300 to the working position. In addition, the discharge unit 820 is connected to the discharge hose 810 to discharge the molding agent 4 transferred through the discharge hose 810. Therefore, since the discharge form of the molding agent 4 varies according to the shape of the discharge unit 820, the utilization of the discharge unit 820 may be changed and mounted according to the job.

The controller 700 controls the main drawer 400 and the hardener drawer 500, respectively, to adjust the mixing ratio between the main drawer 2 and the hardener 3.

In addition, the controller 700 may further include a main temperature sensor (not shown) for checking the temperature of the main body 2 and a curing agent temperature sensor (not shown) for checking the temperature of the curing agent 3.

Therefore, the control unit 700 determines the viscosity according to the temperature of each of the main body (2) and the curing agent (3) according to the signal of the main temperature sensor and the curing agent temperature sensor, the mixing ratio of the main body (2) and the curing agent (3) is constant The motor of each of the main lead-out unit 400 and the hardener lead-out unit 500 may be controlled to be maintained.

In addition, the control unit 700 may further include a flow sensor (not shown) which checks an inflow amount of each of the main body 2 and the hardener 3 into the stirrer 300.

Therefore, the control unit 700 determines the flow rate of each of the main body 2 and the hardener 3 according to the signal of the flow sensor, and controls the motors of the main body lead-out unit 400 and the hardener lead-out unit 500 to control the main ( The mixing ratio of 2) and the curing agent 3 can be kept constant.

Hereinafter, a manufacturing method of manufacturing a mold using the molding agent 4 discharged according to the operation of the molding machine 1 according to the present invention will be described.

Referring to FIG. 6, the mold manufacturing method includes designing an external shape of a product (S10), manufacturing a mold frame 14 (S20), and installing a styrofoam 8 on the mold frame 14. (S30), the step of forming the styrofoam mold 10 by using a NC (numerical control type machine tool) (11) according to the design (S40), using the reinforcement (9) to strengthen the styrofoam mold (10) Step (S50), the step of applying the molding agent (S60), the step of finishing after curing the molding agent (S70), the step of sanding by using the sanding machine 12 (S80) Applying the gel coat 17 (S90), after the curing of the gel coat 17, the polishing step (S100) and laminating the glass fibers 13 and vacuum forming (S110).

Referring to FIG. 7, in the mold design method (S10), a product, that is, a boat, a yacht, or a prototype of a vehicle is designed using various modeling programs.

Referring to FIGS. 8 and 9, in the manufacturing of the mold frame 14 (S20), the mold frame 14 is manufactured in consideration of the protection of the mold to be manufactured according to the shape of the mold and the mobility of the mold. Here, the mold frame 14 is formed of a steel frame 15 formed of steel and a wooden frame 16 formed of wood as an example, but is not necessarily limited thereto, and protects the mold to be manufactured and the mobility of the mold Of course, it can be formed using a reinforced plastic, aluminum and the like. However, in the case of manufacturing the mold frame 14 may be omitted depending on the size of the product.

Referring to FIG. 10, in the step S30 of installing styrofoam 8 on the mold frame 14, the styrofoam 8 is laminated and installed on the installed mold frame 14. Here, the size of the styrofoam 8 is installed in consideration of the size of the product and the mold.

Referring to FIGS. 11 and 12, the step S40 of forming the styrofoam mold 10 using an NC control machine tool 11 according to a design corresponds to the appearance of the product, that is, the product. The styrofoam 8 is processed to have the same shape as the surface shape of the styrofoam mold 10. In particular, the Styrofoam 8 is roughed using the NC machine tool 11. Here, the NC machine tool (numerical control type machine tool) 11 is a machine tool equipped with an NC function, and the processing procedure of a workpiece prepared in advance in the NC tape, a computer, etc., which is a medium for recording a program in the NC machine tool 11. It is a machine tool which keeps the memory and uses it for automatic machining.

Referring to FIG. 13, in the step S50 of reinforcing the styrofoam mold 10, an example of reinforcing the styrofoam mold 10 formed by processing the styrofoam 8 may include fiberglass and a resin. It can be strengthened using the reinforcing agent (9). However, the present invention is not limited thereto, and various materials capable of reinforcing the styrofoam mold 10 and easily applying the molding agent 4 to be described later may be used as the reinforcing agent 9.

Referring to FIG. 14, in the step of applying the molding agent 4 (S60), the molding agent 4 discharged in accordance with the operation of the molding machine 1 according to the present invention described above in the reinforced styrofoam mold 10. Apply. The original drawing of FIG. 14 shows the application of the molding agent 4 in enlarged form.

Referring to FIG. 15, in the step S70 of finishing the curing of the molding agent 4, the molding agent cured on the styrofoam mold 10 using the NC machine tool 11 after curing of the molding agent 4. Finish (4) to have the same shape as the surface of the product.

Hereinafter, the surface treatment step of increasing the elastic strength, impact absorption, etc. of the surface while smoothing the processed surface after finishing processing will be described.

Referring to FIG. 16, in the sanding operation (S80), the finished surface is sanded by sanding the finished molding agent 4 using the sanding machine 12, a tool, or the like to smooth the processed surface.

Referring to FIG. 17, in operation S90 of applying the gel coat 17, the gel coat 17 is coated on the sanding-molded molding agent 4. Here, the gelcoat (17) is a paint used as a finishing material formed by mixing additives with epoxy, and by applying the gelcoat 17 to increase the durability to mold from external environment such as salt, water or ultraviolet rays Protect.

Referring to FIG. 18, in the step of performing a gloss after curing of the gel coat 17 (S100), the release of the product may be easily performed when the product is manufactured using the hardened gel coat 17 using a gloss machine 12a or the like. Smooth the surface. In addition, in the case where the gel coat 17 flows down after the application of the gel coat 17, sanding may be additionally performed before the polishing operation.

Referring to FIGS. 19 and 20, in the step S110 of stacking the glass fibers 18 and then vacuum forming, in S110, several layers of glass fibers 18 are laminated on the polished gel coat 17, and the vacuum molding is performed. By smoothing the surface of the mold to enhance the hardness of the mold, and the like. That is, the laminated surface of the glass fiber 18 is even and beautiful by compression by the vacuum bag 19 used for vacuum forming. Moreover, since there is little deformation of a mold by uniform hardening environment and shortening of post hardening, it is stable. In addition, when the glass fiber 18 is laminated and subjected to vacuum molding (S110), the shock absorbing power is improved by improving the pressure distribution and elastic strength evenly, and the weight of the mold can be reduced.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments. Those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope of the appended claims, The genius will be so self-evident. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Molding Machine 2: Topic
3: curing agent 4: molding agent
5: Subject Transfer Hose 6: Hardener Transfer Hose
8: NC machine tool 100: subject storage
200: curing agent storage unit 300: agitator
400: main drawing part 500: hardener drawing part
600: discharge part 700: control part

Claims (7)

A topic storage unit for storing a topic;
A curing agent storage unit in which a curing agent is stored;
A stirring part for mixing the main material and the curing agent to form a molding agent;
A subject extraction unit configured to extract the subject from the subject storage unit and to transfer the subject to the stirring unit;
A curing agent withdrawing unit which draws out the curing agent from the curing agent storage unit and is transferred to the stirring unit;
A discharge part connected to the stirring part to discharge the molding agent;
And a controller configured to control the main lead-out part and the hardener lead-out part to adjust the mixing ratio of the main part and the hardener,
Each of the main lead-out portion and the hardener lead-out portion
A motor;
A crank unit for converting the rotational motion of the motor into a reciprocating motion;
An adhesive plate inserted into an upper opening of the main storage unit or the hardener storage unit and in close contact with the main or hardening agent, and having an inlet formed in communication with the main storage unit or the hardener storage unit;
A discharge port is formed in communication with the stirrer, and the main or hardener is pumped out of the main storage unit or the hardener storage unit through the suction port and discharged through the discharge port to the stirrer according to the reciprocating motion of the crank unit. Molding machine comprising a pumping unit. The method of claim 1,
A main outlet cylinder;
A main pressing frame coupled to the main drawing portion and lowering the main drawing portion by pressing the main drawing cylinder to allow the contact plate of the main drawing portion to press the main portion;
A hardener lead-out cylinder;
And a hardener pressing frame coupled to the hardener lead-out part to lower the hardener lead-out part by pressurizing the hardener lead-out cylinder so that the contact plate of the hardener lead-out part presses the hardener. The method according to claim 1 or 2,
The contact plate is
Molding machine, characterized in that the contact plate is formed with an air discharge hole for discharging the air between the main or the curing agent and the contact plate to the outside. The method of claim 3,
The stirring part
A stirring cover having a main inlet and a hardener inlet through which the main body and the hardener are respectively introduced;
A screw rotatably installed on the stirring cover such that the main body and the hardener introduced through the main body inlet and the hardener inlet are mixed;
A screw motor for rotating the screw;
One side is connected to the discharge portion and the other side is connected to the discharge portion, the molding machine characterized in that it comprises a discharge cover which is installed to surround the screw to guide the molding agent mixed by the screw to be discharged to the discharge portion. In the method for manufacturing a mold for the production of the product,
Installing styrofoam corresponding to the mold shape;
Forming a styrofoam mold by processing the styrofoam to have a shape identical to the surface shape of the product by using a numerical control type machine tool according to the design;
Applying a reinforcing agent to the styrofoam mold formed by processing the styrofoam to strengthen the surface of the styrofoam mold;
Applying a molding agent ejected by a molding machine to the reinforced styrofoam mold;
After hardening the molding agent, finishing the cured molding agent on the mold using the NC machine tool;
And processing the surface to increase hardness while smoothing the processed surface after the finishing process. The method of claim 5,
The step of treating the surface after the finishing
Sanding the finished molding agent;
Applying a gel coat on the sanding agent;
Polishing the gelcoat after curing the gelcoat;
Laminating glass fibers on the polished gel coat and then vacuum forming the mold. The method of claim 6,
The reinforcing agent comprises a fiberglass (Fibreglass) and a resin manufacturing method characterized in that it comprises a resin.

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