WO2016072549A1

WO2016072549A1 - 3d printer having variable nozzle head, and operation method therefor

Info

Publication number: WO2016072549A1
Application number: PCT/KR2014/011360
Authority: WO
Inventors: 진천덕
Original assignee: 주식회사 휴로
Priority date: 2014-11-04
Filing date: 2014-11-25
Publication date: 2016-05-12
Also published as: KR20160052199A; KR101653817B1

Abstract

A 3D printer (100) having a variable nozzle head according to one embodiment of the present invention comprises: a frame (110) supported by an installation surface; a variable nozzle head moving device (120) provided at one side of the frame (110); and a variable nozzle head (130) mounted at one side of the variable nozzle head moving device (120), and enabling a molding material (F) to be discharged through a discharging hole (132) provided at one side thereof, wherein the thickness of the molding material (F) discharged through the discharging hole (132) can be set in a thick state or a thin state according to a change in diameter of the discharging hole (132). Therefore, the 3D printer having the variable nozzle head according to one embodiment of the present invention solves a problem according to the prior art in which the time required for molding a complex-formed three-dimensional shape in a complicated manner is forced to be increased by using one fixed nozzle head, wherein the size of the discharging hole of the variable nozzle head can be set to be increased or reduced, and the shape can be rapidly manufactured by using a low-temperature cooling fan and a variable nozzle.

Description

3D printer with variable nozzle head and its operation method

The present invention relates to a 3D printer, and more particularly, by mounting a fixed nozzle head which is provided on one side of the nozzle head is configured to maintain the first set diameter of the discharge hole through which the molding material is discharged, one 3D solid type A 3D printer comprising a fixed nozzle head for producing a three-dimensional shape in which a finely molded part and a roughly molded part are complexly formed and formed in molding a product of the upper part. The present invention relates to a 3D printer equipped with a variable nozzle head and a method of operating the same, for solving the problems according to the prior art, which inevitably takes a long time to form a three-dimensional shape.

In addition, the present invention, in the process of producing a three-dimensional shape in which the finely molded portion and the roughly molded portion is complex and formed by using a 3D printer with a fixed nozzle head according to the prior art as described above In order to solve the problem, in the case of a conventional 3D printer, especially the low-temperature cooling module and the variable nozzle head is provided, when the discharge diameter of the molding material discharged from the variable nozzle head should be formed large or small from time to time, the variable The size of the discharge hole of the nozzle head can be set to a large or narrow, and relates to a 3D printer and a method of operating the variable nozzle head for fast shape production using a low temperature cooling fan and a variable nozzle.

In addition, the present invention is provided with a low-temperature cooling module and a variable nozzle head, in particular in the conventional 3D printer, so that the discharge diameter of the molding material discharged from the variable nozzle head is quickly and quickly formed in a large or small state as often required The 3D printer and a method of operating the same are provided with a variable nozzle head that can be cured, the molded material discharged, so that the finished molded product can be stably maintained.

In recent years, the use of the 3D printer which can shape | mold the object as it is using the 3D data about an object is increasing.

These 3D printers have been used in the past for modeling and sample production before mass production, but in the future, 3D printers are being developed that can be used to form mass-produced products centered on small-volume products. The market is expanding.

Here, the product forming method of the 3D printer is a so-called additive type in which the object object is molded into a two-dimensional planar shape in three dimensions and melted and attached to form a shape, and the shape is formed by cutting like a piece of material. There is a cutting type.

In the heater nozzle mounted on the three-dimensional transfer mechanism, a wire or filament made of thermoplastic plastic is supplied through a supply reel and a transfer roll, and the supplied filament is positioned in three directions of XYZ relative to a work table. By fusing and discharging, there is a filament melt lamination molding method of forming an object in three dimensions by laminating it on a work table while making a two-dimensional planar shape.

However, according to the filament melt-lamination molding method according to the prior art, by mounting a fixed nozzle head which is provided on one side of the nozzle head is configured so that the discharge hole from which the molding material is discharged is initially set diameter, one 3D solid type It is a 3D printer equipped with a fixed nozzle head for producing a three-dimensional shape in which a finely molded part and a roughly molded part are complexly formed in molding a product of the upper part. The problem that the time required for forming the three-dimensional shape is inevitably lengthened.

The present invention is intended to solve the problems of the prior art as described above, and therefore, the object of the present invention is that the time required for forming a complex complex three-dimensional shape with a single fixed nozzle head will have to be long, the prior art. The purpose of the present invention is to provide a 3D printer equipped with a variable nozzle head and a method of operating the same.

In addition, another object of the present invention, in order to solve the problem of the 3D printer with a fixed nozzle head according to the prior art as described above, in particular a low-temperature cooling fan and a variable nozzle head is provided, chocolate / candles / soap crafts In order to satisfy various needs of consumers in various fields, such as, but when the discharge diameter of the molding material discharged from the variable nozzle head should be large, the size of the discharge hole of the variable nozzle head is set to be large. On the other hand, when the discharge diameter of the molding material discharged from the variable nozzle head is to be formed small, the variable nozzle head that can be changed from time to time as necessary to narrow the size of the discharge hole of the variable nozzle head is provided The purpose is to provide a 3D printer and its operation method.

Further, another object of the present invention, in addition to the variable nozzle head in the conventional 3D printer, in particular by the low-temperature cooling module, the discharge diameter of the molding material discharged from the variable nozzle head is formed large or small as needed often It is another object to provide a 3D printer and a method of operating the same, wherein the molding material discharged quickly can be cured in a short time so that the shape of the finished molded product can be stably maintained. have.

In order to achieve the above object, according to the present invention, the frame 110 is supported on the installation surface; A variable nozzle head moving mechanism 120 installed at one side of the frame 110; And a variable nozzle head 130 mounted at one side of the variable nozzle head moving mechanism 120 and discharging a molding material F through the discharge hole 132 provided at one side thereof. There is provided a 3D printer with a variable nozzle head, characterized in that the molding material (F) discharged through the) can be set to a thick or thin as the diameter of the discharge hole 132 is changed. .

Here, the variable nozzle head 130 is characterized in that the chuck taip variable nozzle head (130a).

And, the chuck taip variable nozzle head 130a, a plurality of chuck taip discharge opening and closing member (131a); And an opening / closing member driving motor 133 which can drive the plurality of chuck taip discharge opening and closing members 131a to control the size of the discharge hole 132 in a combined state. .

In addition, the variable nozzle head 130 is characterized in that the shutter taip variable nozzle head (130b).

In addition, the shutter taip variable nozzle head 130b, a plurality of shutter taip discharge opening and closing member (131b); And an opening / closing member driving motor 133 capable of adjusting the size of the discharge hole 132 in a coupled state by driving a plurality of shutter taip discharge opening and closing members 131b. .

Furthermore, according to the present invention, the low temperature cooling fan (Cf) is installed on one side of the frame 110, the molding material (F) discharged through the discharge hole 132 is cooled; do.

In addition, the low temperature cooling fan (Cf), a pair of ceramic plates facing each other and maintaining a constant interval; A pair of conductive plates disposed between the pair of ceramic plates; And a plurality of P-type semiconductors and a plurality of N-type semiconductors disposed between the pair of electrical conductive plates and supplied with power from the anode power line and the silver pole power line. As it is supplied, there is provided a 3D printer with a variable nozzle head, characterized in that a cooling unit is formed on one side of the pair of ceramic plates.

At this time, the chuck taip variable nozzle head 130a, a plurality of chuck taip discharge opening and closing member (131a) is provided with a screw thread along the outer peripheral surface of the upper end; Is rotated along the threads of the plurality of chuck taip discharge opening and closing member (131a), by operating the plurality of chuck taip discharge opening and closing member (131a), the size of the discharge hole 132 is rotated ring The member 131a1; An opening / closing member driving motor 133 which drives the chuck taip discharge opening / closing member 131a, and the size of the discharge hole 132 can be adjusted in the overall coupled state; And a spring member S disposed above the plurality of chuck taip discharge opening and closing members 131a to apply an elastic force to the plurality of chuck taip discharge opening and closing members 131a.

The shutter taip variable nozzle head 130b includes: a plurality of shutter taip discharge opening / closing members 131b; A shutter tarpaulin discharge opening / closing member supporting shaft (131b1) fixed to one side of the shutter taip discharge opening / closing member (131b); And a driving shaft driven gear 131b2 fixed to one side of the shutter taip discharge opening / closing member support shaft 131b1, and the opening and closing member driving motor which can adjust the size of the discharge hole 132 in a combined state. (133); characterized in that it comprises a.

And, in order to achieve the object as described above, according to the present invention, the step of turning on (ON) the power of the 3D printer 100 is provided with a variable nozzle head of the present invention (S110); As the X-direction moving mechanism 121, the Y-direction moving mechanism 122, the Z-direction moving mechanism 123 is operated, the variable nozzle head 130 is moved (S120); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined first position (S130); According to the control signal of the controller 150, after the chuck taip discharge opening and closing member 131a is operated, the first molding material F1 stored in the first molding material storage tank 161 is connected to the first storage tank. Moved along the tube 161a to be sprayed and discharged in bold through the discharge hole 132 (S140); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined second position (S150); According to the control signal of the controller 150, after the chuck taip discharge opening and closing member 131a is operated, the second molding material (F2) stored in the second molding material storage tank 162 is connected to the second storage tank. Moved along the tube 162a and sprayed and discharged thinly through the discharge hole 132 (S160); And after the molded product (G) is completed, as the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and returned to the initial position (S170); 3D printer and its operation method are provided.

In addition, in order to achieve the above object, according to the present invention, the step of turning on (ON) the power of the 3D printer 100 is provided with a variable nozzle head of the present invention (S210); As the X-direction moving mechanism 121, the Y-direction moving mechanism 122, the Z-direction moving mechanism 123 is operated, the variable nozzle head 130 is moved (S220); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined first position (S230); In response to a control signal of the controller 150, after the shutter tip discharge opening and closing member 131b is operated, the first molding material F1 stored in the first molding material storage tank 161 is connected to the first storage tank. Moved along the tube 161a and sprayed and discharged in bold through the discharge hole 132 (S240); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined second position (S250); In response to the control signal of the controller 150, after the shutter tip discharge opening and closing member 131b is operated, the second molding material F2 stored in the second molding material storage tank 162 is connected to the second storage tank. Moved along the tube 162a and sprayed and discharged thinly through the discharge hole 132 (S260); And after the molded product G is completed, as the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and returned to the initial position (S270). 3D printer and its operation method are provided.

Furthermore, in order to achieve the object as described above, according to the present invention, the step of spray injection thinly through the discharge hole (132) (S160); And after the step of narrowly ejecting and ejecting through the discharge hole 132 (S260), the low temperature cooling fan Cf is operated.

Therefore, according to the 3D printer and the operating method of the variable nozzle head of an embodiment of the present invention configured as described above, by having a low-temperature cooling fan and the variable nozzle head, in various fields such as chocolate / candles / soap crafts In order to meet various consumer needs (NEEDS), but when the discharge diameter of the molding material discharged from the variable nozzle head is to be formed large, it is molded by setting a large size of the discharge hole of the variable nozzle head, In the case where the discharge diameter of the molding material discharged from the variable nozzle head is to be formed small, the size of the discharge hole of the variable nozzle head can be formed to be narrowly set to the contrary, and the size of the discharge hole can be changed from time to time as necessary. In this case, molding can be performed quickly with respect to a portion which is relatively easy to mold.

And, according to the 3D printer and the operation method of the variable nozzle head of an embodiment of the present invention configured as described above, by changing the size of the discharge hole of the variable nozzle head as necessary from time to time, extremely fine With respect to the product including the shape, there is another effect that can produce the product without difficulty.

In addition, according to the 3D printer and the operating method of the variable nozzle head of an embodiment of the present invention configured as described above, in the initial process of molding a variety of products, such as chocolate / candles / soap craft using a liquid molding material Immediately after molding, by operating the low temperature cooling fan, the shape of the finished molded product is stably maintained, and there is another effect that can be quickly produced.

1 is a graphic showing a 3D printer according to the prior art.

Figure 2 is a schematic diagram showing a 3D printer equipped with a variable nozzle head of the present invention.

3 is a schematic view of a first embodiment in which the nozzle head is enlarged in the discharge hole direction in the 3D printer equipped with the variable nozzle head of the present invention shown in FIG. 1.

4 is a schematic diagram of a second embodiment in which the nozzle head is enlarged in the discharge hole direction in the 3D printer equipped with the variable nozzle head of the present invention shown in FIG. 1.

5 is a block diagram showing the main components of the 3D printer with a variable nozzle head of the present invention shown in FIG.

FIG. 6 is a working view showing that a product forming material is thickly sprayed using the first nozzle head in the 3D printer equipped with the variable nozzle head of the present invention shown in FIG. 2.

FIG. 7 is a working view illustrating a thin injection of a material for forming a product using a second nozzle head in the 3D printer equipped with the variable nozzle head of the present invention shown in FIG. 2.

FIG. 8 is a graphic diagram schematically illustrating a low temperature cooling module in the 3D printer equipped with the variable nozzle head of the present invention shown in FIG. 2.

9 is a flowchart illustrating a method of operating a 3D printer equipped with the variable nozzle head of the present invention according to the first embodiment.

10 is another flowchart illustrating a method of operating a 3D printer equipped with a variable nozzle head according to the second embodiment of the present invention.

FIG. 11 is a perspective view illustrating a configuration in which a discharge hole provided in the nozzle head is adjusted in the 3D printer having the variable nozzle head of the present invention shown in FIG. 3.

FIG. 12 is a perspective view illustrating a configuration in which a discharge hole provided in the nozzle head is adjusted in the 3D printer having the variable nozzle head of the present invention shown in FIG. 4.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention. In the following description of the present invention, detailed descriptions of well-known general functions or configurations will be omitted.

Figure 2 is a schematic diagram showing a 3D printer with a variable nozzle head of the present invention, Figure 5 is a block diagram showing the main components of the 3D printer with a variable nozzle head of the present invention shown in FIG.

2 and 5, the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, the variable nozzle head is moved in the X, Y, and Z direction on one side of the frame 110 The variable nozzle head 130 is provided on one side of the mechanism 120, and the size of the discharge hole 132 of the variable nozzle head 130 can be set to be larger or narrower as necessary. It features.

In addition, the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, the size of the discharge hole 132, in addition to the variable nozzle head 130 is set to a larger or narrower, as needed, low temperature As the cooling fan Cf is provided, the molding material F discharged from the discharge hole 132 of the variable nozzle head 130 may be rapidly cooled by operating the low temperature cooling fan Cf. The second technical feature is that the shape of the finished molded product G can be stably maintained and that the shape can be produced quickly.

Referring to FIGS. 2 and 5, the main components constituting the 3D printer 100 equipped with the variable nozzle head according to an embodiment of the present invention, the coupling relationship therebetween, and the effects and effects thereof will be described below. Look in detail.

2 and 5, the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, the frame 110 is supported on the installation surface; Is installed on one side of the frame 110, the X-direction moving mechanism 121 is moved in the X direction with respect to the frame 110 and the Y-direction moving mechanism 122 is moved in the Y direction with respect to the frame 110, And a variable nozzle head moving mechanism (120) configured of a Z direction moving mechanism (123) moving in the Z direction with respect to the frame (110). And a variable nozzle head 130 mounted at one side of the variable nozzle head moving mechanism 120 and discharging a molding material F through the discharge hole 132 provided at one side thereof. Molding material (F) discharged through the) is characterized in that the thickness of the discharge hole 132, the thickness can be set to be thick or thin.

In addition, the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, as shown in Figures 2 and 5, the variable nozzle head moving mechanism 120 and the variable nozzle head 130 is controlled. In addition, by further comprising a control unit 150 is provided with a plurality of control buttons (150a), it is possible to set the size of the discharge hole 132 of the variable nozzle head 130, large or narrow.

Therefore, according to the 3D printer 100 is provided with a variable nozzle head according to an embodiment of the present invention configured as described above, the variable nozzle head 130 is variable according to the operation by setting the control unit 150 As the nozzle head moving mechanism 120 is driven, the size of the discharge hole 132 of the variable nozzle head 130 is sometimes thick and sometimes thin depending on the setting while being transported in the X, Y and Z directions. do

The first storage tank connecting tube 161a and the second storage are connected to the first molding material storage tank 161, the second molding material storage tank 162, and the third molding material storage tank 163. The first molding material F1 and the second molding material F2 supplied through the tank connecting tube 162a, the third storage tank connecting tube 163a, and the like are discharge holes of the variable nozzle head 130. Discharged downward through 132 to complete the molded article (G).

3 is a schematic diagram of a first embodiment in which a nozzle head is enlarged in a discharge hole direction in a 3D printer equipped with the variable nozzle head of the present invention shown in FIG. 1, and FIG. 4 is a view of the present invention shown in FIG. In the 3D printer provided with the variable nozzle head, it is a schematic diagram of the 2nd Example which expanded and showed the nozzle head in the discharge hole direction.

3 and 4, according to the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, the variable nozzle head 130 is a chuck taip variable nozzle head 130a or shutter type The variable nozzle head 130b may be configured.

At this time, the chuck taip variable nozzle head 130a, a plurality of chuck taip discharge opening and closing member (131a); And an opening / closing member driving motor 133 which can drive a plurality of the chuck taip discharge opening and closing members 131a, and the size of the discharge hole 132 can be adjusted in an overall coupled state. The shutter needle variable nozzle head 130b includes: a plurality of shutter needle discharge opening / closing members 131b; And an opening / closing member driving motor 133 capable of adjusting the size of the discharge hole 132 in a combined state by driving the plurality of shutter tarp discharge opening / closing members 131b.

Accordingly, as the variable nozzle head 130 is configured as the chuck taip variable nozzle head 130a or the shutter taip variable nozzle head 130b as described above, as the opening and closing member driving motor 133 is operated, a plurality of the chucks are operated. The type of the discharge hole opening and closing member 131a or the shutter type leaf discharge opening and closing member 131b is variable and operated, so that the size of the discharge hole 132 may be adjusted in a fully coupled state.

Reference numeral 140 denotes a position sensor, which is linked to the variable nozzle head moving mechanism 120 and detects a current position of the variable nozzle head 130 which is conveyed in the X, Y, and Z directions. The position of the variable nozzle head 130 may be precisely controlled according to the control signal of 150.

Figure 6 is a 3D printer with a variable nozzle head of the present invention shown in Figure 2, a working view showing that the injection molding material is thickly utilized by using the first nozzle head, Figure 7 is shown in FIG. In the illustrated 3D printer equipped with the variable nozzle head of the present invention, it is a working view showing that the product forming material is thinly sprayed by utilizing the second nozzle head.

6 and 7 illustrate a process of manufacturing a birthday cake, but for convenience of description, the birthday cake is set as a molded product G, and the molded product G is formed only in a specific shape. Molded product (G) that can be molded using liquid or flowable molding material (F), if not limited, and for producing a three-dimensional shape in which the finely molded part and the roughly molded part are complexly formed and formed. It can be seen that the type and shape of is irrelevant.

As shown in Figure 6 and 7, according to the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, according to the birthday cake is set as a molded product (G), at the beginning of the molding product As shown in FIG. 6, the lower end portion of the birthday cake (G) may be roughly molded, and the first molding material F1 is thickly discharged through the discharge hole 132, thereby forming the mold quickly.

And, as shown in Figure 7, in the later molding, in order to mold the letters of the upper end of the birthday cake, which is the molded product (G), the second molding material (F2) is discharged finely, the molding is made finely, (G) The birthday cake is completed.

As shown in Figure 8, the 3D printer 100 is provided with a variable nozzle head of an embodiment of the present invention, a pair of ceramic plates disposed to maintain a constant interval facing; A pair of conductive plates disposed between the pair of ceramic plates; And a plurality of P-type semiconductors and a plurality of N-type semiconductors disposed between the pair of electrical conductive plates and supplied with power from the anode power line and the silver pole power line. As it is supplied, a low-temperature cooling fan (Cf) having a cooling unit is formed on one side of the pair of ceramic plates; characterized in that it further comprises.

Therefore, in addition to the variable nozzle head 130 in which the molding material F is discharged through the discharge hole 132 having the 3D printer 100 provided with the variable nozzle head of one embodiment of the present invention, the low-temperature cooling The fan Cf is further provided, and immediately after the molded product G is molded using the liquid molding material F, the low temperature cooling fan C is operated to stably complete the molded product G. The shape can be maintained, so that the shape can be produced quickly.

As shown in FIG. 9, in the 3D printer having the variable nozzle head of the present invention according to the first embodiment, the power of the 3D printer 100 having the variable nozzle head of the present invention is turned on. S110); As the X-direction moving mechanism 121, the Y-direction moving mechanism 122, the Z-direction moving mechanism 123 is operated, the variable nozzle head 130 is moved (S120); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined first position (S130); According to the control signal of the controller 150, after the chuck taip discharge opening and closing member 131a is operated, the first molding material F1 stored in the first molding material storage tank 161 is connected to the first storage tank. Moved along the tube 161a to be sprayed and discharged in bold through the discharge hole 132 (S140); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined second position (S150); According to the control signal of the controller 150, after the chuck taip discharge opening and closing member 131a is operated, the second molding material (F2) stored in the second molding material storage tank 162 is connected to the second storage tank. Moved along the tube 162a and sprayed and discharged thinly through the discharge hole 132 (S160); And after the molded product G is completed, as the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and returned to the initial position (S170). .

As shown in FIG. 10, the 3D printer equipped with the variable nozzle head of the present invention according to the second embodiment may include turning on the power of the 3D printer 100 including the variable nozzle head of the present invention. S210); As the X-direction moving mechanism 121, the Y-direction moving mechanism 122, the Z-direction moving mechanism 123 is operated, the variable nozzle head 130 is moved (S220); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined first position (S230); In response to a control signal of the controller 150, after the shutter tip discharge opening and closing member 131b is operated, the first molding material F1 stored in the first molding material storage tank 161 is connected to the first storage tank. Moved along the tube 161a and sprayed and discharged in bold through the discharge hole 132 (S240); As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined second position (S250); In response to the control signal of the controller 150, after the shutter tip discharge opening and closing member 131b is operated, the second molding material F2 stored in the second molding material storage tank 162 is connected to the second storage tank. Moved along the tube 162a and sprayed and discharged thinly through the discharge hole 132 (S260); And after the molded product G is completed, as the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and returned to the initial position (S270). .

In addition, the step (S160) that is finely discharged through the discharge hole 132; And after the step (S260) of the narrow injection sprayed through the discharge hole 132, a step of operating the low-temperature cooling fan (Cf).

11 is a perspective view showing a configuration in which the discharge hole is provided in the nozzle head in the 3D printer with a variable nozzle head of the present invention shown in Figure 3, Figure 12 is a variable nozzle of the present invention shown in FIG. In the 3D printer with a head, it is a perspective view which shows the structure by which the discharge hole provided in the nozzle head is adjusted.

First, referring to Figure 11, in the 3D printer with a variable nozzle head of the present invention, the chuck taip variable nozzle head 130a, a plurality of chuck taip discharge opening and closing member provided with a thread along the outer peripheral surface of the upper end ( 131a); Is rotated along the threads of the plurality of chuck taip discharge opening and closing member (131a), by operating the plurality of chuck taip discharge opening and closing member (131a), the size of the discharge hole 132 is rotated ring The member 131a1; An opening / closing member driving motor 133 which drives the chuck taip discharge opening / closing member 131a, and the size of the discharge hole 132 can be adjusted in the overall coupled state; And a spring member S disposed above the plurality of chuck taip discharge opening and closing members 131a to apply an elastic force to the plurality of chuck taip discharge opening and closing members 131a.

And, referring to Figure 12, in the 3D printer with a variable nozzle head of the present invention, the shutter taip variable nozzle head 130b, a plurality of shutter taip discharge opening and closing member (131b); A shutter tarpaulin discharge opening / closing member supporting shaft (131b1) fixed to one side of the shutter taip discharge opening / closing member (131b); And a driving shaft driven gear 131b2 fixed to one side of the shutter taip discharge opening / closing member support shaft 131b1, and the opening and closing member driving motor which can adjust the size of the discharge hole 132 in a combined state. (133); characterized in that it comprises a.

Therefore, according to the smoke control and cooling method of the roasting machine of an embodiment of the present invention configured as described above, by providing a low-temperature cooling fan (C) and the variable nozzle head 130, chocolate / candles / soap crafts In order to satisfy various needs of consumers in various fields such as, but the discharge diameter of the molding material (F) discharged from the variable nozzle head 130 should be large, the variable nozzle head 130 When the size of the discharge hole 132 of the molding is set to be large, on the other hand, when the discharge diameter of the molding material F discharged from the variable nozzle head 130 is to be formed small, the variable nozzle head 130 of the The size of the discharge hole 132 can be formed by narrowly setting the reverse hole, and the size of the discharge hole 132 can be changed at any time as necessary, so that molding can be performed quickly for a relatively easy part. That there is an effect.

And, according to the smoke control cooling device and the operating method of the roasting machine of the present invention, by changing the size of the discharge hole 132 of the variable nozzle head 130 as necessary, it includes a very fine shape In addition, even for a product composed of, there is another effect that can produce a product without difficulty.

In addition, according to the smoke control and cooling method of the roasting machine of the present invention and its operation method, immediately after molding using a liquid molding material (F) in the initial process of molding a variety of products, such as chocolate / candles / soap crafts, By operating the low temperature cooling fan (C), there is another effect that can be quickly manufactured.

While specific embodiments of the present invention have been described above by way of example, these are for illustrative purposes only and are not intended to limit the protection scope of the present invention. It will be apparent to those skilled in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention.

The present invention relates to the field of 3D printers having a fixed nozzle head for producing a three-dimensional shape in which a finely molded part and a roughly molded part are complexly formed and formed in molding a 3D three-dimensional product. It can improve reliability and competitiveness in similar fields.

Claims

Frame 110 supported on the installation surface;

A variable nozzle head moving mechanism 120 installed at one side of the frame 110; And

A variable nozzle head 130 mounted on one side of the variable nozzle head moving mechanism 120 and configured to discharge molding material F through a discharge hole 132 provided at one side thereof;

Including;

The molding material F discharged through the discharge hole 132 is provided with a variable nozzle head, characterized in that the thickness of the discharge hole 132 is variable, the thickness can be set to be thick or thin 3D printer.
The method of claim 1,

The variable nozzle head 130 is provided with a variable nozzle head, characterized in that the chuck taip variable nozzle head (130a).
The method of claim 2,

The chuck taip variable nozzle head 130a,

A plurality of chuck taip discharge opening and closing member (131a); And

An opening / closing member driving motor 133 which drives a plurality of the chuck taip discharge opening / closing members 131a, and the size of the discharge hole 132 can be adjusted in a fully coupled state;

3D printer is provided with a variable nozzle head comprising a.
The method of claim 1,

The variable nozzle head 130 is a 3D printer with a variable nozzle head, characterized in that the shutter nozzle variable nozzle head (130b).
The method of claim 4, wherein

The shutter taip variable nozzle head 130b,

A plurality of shutter taip discharge opening and closing member (131b); And

An opening / closing member driving motor 133 which drives the plurality of shutter taip discharge opening / closing members 131b, and the size of the discharge hole 132 can be adjusted in an overall coupled state;

3D printer is provided with a variable nozzle head comprising a.
The method of claim 1,

A low temperature cooling fan (Cf) installed at one side of the frame 110 to cool the molding material F discharged through the discharge hole 132;

3D printer with a variable nozzle head characterized in that it further comprises.
The method of claim 1,

The low temperature cooling fan (Cf),

A pair of ceramic plates disposed to face each other at regular intervals;

A pair of conductive plates disposed between the pair of ceramic plates; And

A plurality of P-type semiconductors and a plurality of N-type semiconductors disposed between the pair of electrically conductive plates, the power being supplied from a positive power line and a silver pole power line;

Including,

3D printer with a variable nozzle head, characterized in that the cooling portion is formed on one side of the pair of ceramic plates as the power is supplied through the anode power line and the silver pole power line.
The method of claim 2,

The chuck taip variable nozzle head 130a,

A plurality of chuck taip discharge opening and closing member (131a) is provided with a thread along the outer peripheral surface of the upper end;

Is rotated along the threads of the plurality of chuck taip discharge opening and closing member (131a), by operating the plurality of chuck taip discharge opening and closing member (131a), the size of the discharge hole 132 is rotated ring The member 131a1;

An opening / closing member driving motor 133 which drives the chuck taip discharge opening / closing member 131a, and the size of the discharge hole 132 can be adjusted in the overall coupled state; And

A variable nozzle comprising: a spring member (S) disposed above the plurality of chuck taip discharge opening and closing members (131a) to apply an elastic force to the plurality of chuck taip discharge opening and closing members (131a); 3D printer with a head.
The method of claim 4, wherein

The shutter taip variable nozzle head 130b,

A plurality of shutter taip discharge opening and closing member (131b);

A shutter tarpaulin discharge opening / closing member supporting shaft (131b1) fixed to one side of the shutter taip discharge opening / closing member (131b); And

Opening and closing member driving motor that can be driven by the drive shaft driven gear (131b2) fixed to one side of the shutter taipae discharge opening and closing member support shaft (131b1), the size of the discharge hole 132 in the combined state ( 133);

3D printer is provided with a variable nozzle head comprising a.
A step S110 of turning on the power of the 3D printer 100 having the variable nozzle head of the present invention;

As the X-direction moving mechanism 121, the Y-direction moving mechanism 122, the Z-direction moving mechanism 123 is operated, the variable nozzle head 130 is moved (S120);

As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined first position (S130);

According to the control signal of the controller 150, after the chuck taip discharge opening and closing member 131a is operated, the first molding material F1 stored in the first molding material storage tank 161 is connected to the first storage tank. Moved along the tube 161a to be sprayed and discharged in bold through the discharge hole 132 (S140);

As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined second position (S150);

According to the control signal of the controller 150, after the chuck taip discharge opening and closing member 131a is operated, the second molding material (F2) stored in the second molding material storage tank 162 is connected to the second storage tank. Moved along the tube 162a and sprayed and discharged thinly through the discharge hole 132 (S160); And

After the molded product G is completed, as the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and returned to the initial position (S170);

Method of operation of the 3D printer is provided with a variable nozzle head comprising a.
A step S210 of turning on the power of the 3D printer 100 having the variable nozzle head of the present invention;

As the X-direction moving mechanism 121, the Y-direction moving mechanism 122, the Z-direction moving mechanism 123 is operated, the variable nozzle head 130 is moved (S220);

As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined first position (S230);

In response to a control signal of the controller 150, after the shutter tip discharge opening and closing member 131b is operated, the first molding material F1 stored in the first molding material storage tank 161 is connected to the first storage tank. Moved along the tube 161a and sprayed and discharged in bold through the discharge hole 132 (S240);

As the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and arranged to a predetermined second position (S250);

In response to the control signal of the controller 150, after the shutter tip discharge opening and closing member 131b is operated, the second molding material F2 stored in the second molding material storage tank 162 is connected to the second storage tank. Moved along the tube 162a and sprayed and discharged thinly through the discharge hole 132 (S260); And

After the molded product G is completed, as the position sensor 140 is sensed and operated, the variable nozzle head 130 is moved and returned to the initial position (S270);

Method of operation of the 3D printer is provided with a variable nozzle head comprising a.
The method according to claim 10 and 11,

Finely sprayed and discharged through the discharge hole 132 (S160); And after the step (S260) of the narrow injection discharged through the discharge hole 132, the low-temperature cooling fan (Cf) is operated;

Method of operation of the 3D printer with a variable nozzle head characterized in that it further comprises.