WO2023188874A1 - Powder charging component, powder set, and powder charging method - Google Patents

Abstract

A powder charging component (1) comprises a first component (10) including a bottom section (11) and an outer frame (12), and a second component (15). The bottom section (11) has a bottom section hole (11CV) formed therein. The outer frame (12) extends from the outer periphery of the bottom section (11) in a first direction that intersects the bottom section (11). The second component (15) can be attached to the bottom section (11) so as to be surrounded by the outer frame (12). The second component (15) includes a leading end section (15A) with width in a planar view. The leading end section (15A) extends in the first direction and has a cylindrical part in which a first cavity (15CV) is formed.

Description

Powder charging parts, powder set, and powder charging method

The present disclosure relates to a powder charging component, a powder set, and a powder charging method.

A cold spray method, which is one of the thermal spray methods, is conventionally known. In the cold spray method, a film is formed on a base material by injecting a film forming raw material together with a carrier gas onto the base material from the nozzle tip of a spray gun. By using the cold spray method, oxidation and thermal deterioration of the film forming raw material in the atmosphere can be suppressed, and a dense and highly adhesive film can be formed on the substrate.

The film forming apparatus used in the cold spray method is equipped with a powder feeder that supplies powder, which is a collection of powders that become film forming raw materials, to a nozzle. Prior to supplying the powder to the nozzle, it is necessary to supply the powder into the powder supply machine.

As a method for charging powder, JP-A-7-256081 (Patent Document 1) discloses a method for efficiently dropping powder in a bag without scattering and charging it into a reaction tank. Specifically, Japanese Patent Application Laid-Open No. 7-256081 proposes a method in which a bag is torn open using a cutter having four acute triangular blades, and the powder is dropped.

Japanese Patent Application Publication No. 7-256081

Powder for film formation by the cold spray method is stored in a powder container. The mouth of a powder container through which powder can be discharged is usually covered with an aluminum film. This seals the inside of the powder container. When feeding the powder into the powder feeder, it is necessary to tear the film.

In the cutter disclosed in JP-A-7-256081, the tip that tears the bag has a single protrusion shape like the tip of an umbrella. When such a cutter is used to break the film of a container containing cold spray powder, there is a risk that the powder will scatter out of the powder container from the part where the film is torn. Furthermore, in order to tear the film over a wide range, the cutter needs to have a large dimension in the height direction, and at this time there is a risk of powder scattering. Furthermore, since the powder accumulates above the tip of the cutter, there is a possibility that the powder cannot be smoothly fed into the powder feeder.

The present disclosure has been made in view of the above problems. The purpose is to provide a powder charging part, a powder set, and a powder charging method that can efficiently transfer powder to a powder feeder without scattering.

A powder charging component according to the present disclosure includes a first component and a second component. The first part includes a bottom and an outer frame. A bottom hole is formed at the bottom. The outer frame extends from the outer periphery of the bottom in a first direction intersecting the bottom. The second part is attached to the bottom so as to be surrounded by the outer frame. The second component includes a tip portion having a width in plan view. The tip portion has a cylindrical portion that extends in the first direction and has a first cavity formed therein.

A powder set according to the present disclosure includes the above-mentioned powder input component and a powder container in which powder is stored. The powder container includes a container body in which a container opening is formed. The inside of the container body is sealed by pasting a film on the container mouth.

The powder input method according to the present disclosure uses the above powder set. In this powder charging method, a powder container is prepared with a film attached to the container mouth. A powder feeding component, on which the second component is installed, is attached to a powder feeding machine that is to supply powder. A powder container is inserted into the outer frame of the powder input component. In the step of inserting, the powder container is lowered until the container opening is located below the top surface of the tip portion while the powder container is upside down.

According to the above, it is possible to obtain a powder charging part, a powder set, and a powder charging method that can efficiently transfer powder to a powder supply machine without scattering.

FIG. 1 is a schematic diagram showing the configuration of a film forming apparatus according to the present embodiment. FIG. 1 is a schematic diagram showing a powder set according to the present embodiment. FIG. 3 is a schematic diagram showing each part of the powder charging part of FIG. 2. FIG. FIG. 4 is a side view of the second part of FIG. 3; FIG. 4 is a plan view of the second part of FIG. 3; FIG. 4 is a side view of the powder charging component of FIG. 3; FIG. 4 is a schematic diagram showing a disassembled state of the first part and the second part in the powder charging part of FIG. 3; FIG. 6 is a schematic cross-sectional view showing a first example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder input component. FIG. 6 is a schematic sectional view showing a first example of a portion along line BB in FIG. 5 in a state where the second component is installed at the bottom of the powder input component. FIG. 6 is a schematic cross-sectional view showing a second example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder input component. FIG. 6 is a schematic cross-sectional view showing a third example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder input component. FIG. 6 is a schematic cross-sectional view showing a fourth example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder input component. FIG. 4 is a plan view of a first modification of the second component of FIG. 3; FIG. 4 is a plan view of a second modification of the second component of FIG. 3; FIG. 4 is a plan view of a third modification of the second component of FIG. 3; 3 is a schematic diagram showing each part of the powder container of FIG. 2. FIG. 3 is a flowchart showing a powder charging method according to the present embodiment. It is a schematic diagram of a powder feeder. It is a schematic diagram which shows the aspect immediately before a powder container is inserted into the part for powder injection|throwing-in which the 2nd part was installed in the powder supply machine. 20 is a schematic diagram showing a state in which a powder container is inserted after FIG. 19. FIG. FIG. 21 is a sectional view showing an internal aspect in FIG. 20; FIG. 2 is a schematic diagram showing a state in which bridging occurs when powder in a powder container is dropped. It is a schematic diagram of a cutter prepared as a comparative example of this embodiment. It is a photograph showing the appearance of a damaged part of an aluminum film stuck to a container body when a cutter of a comparative example is used. It is a photograph which shows the aspect of the damaged part of the aluminum film stuck to the container main body when the part for powder injection|throwing-in which is equipped with the 2nd part of this Embodiment is used.

Embodiments of the present disclosure will be described below with reference to the drawings.
<Configuration of film forming apparatus>
FIG. 1 is a schematic diagram showing the configuration of a film forming apparatus according to this embodiment. The film forming apparatus 200 shown in FIG. 1 mainly includes a spray gun 5 including a nozzle 5b, a powder supply machine 3, a gas supply section 4, and a mask jig 6.

The spray gun 5 mainly includes a spray gun main body 5a, a nozzle 5b, a heater 5c, and a temperature sensor 5d. A nozzle 5b is connected to a first end, which is the tip side, of the spray gun main body 5a. A pipe 9 is connected to a second end, which is the rear end side, of the spray gun main body 5a. The pipe 9 is connected to the gas supply section 4 via a valve 7. Gas supply section 4 supplies operating gas to spray gun 5 via piping 9. By opening and closing the valve 7, the supply state of the operating gas from the gas supply section 4 to the spray gun 5 can be controlled. A pressure sensor 8 is installed in the pipe 9. The pressure sensor 8 measures the pressure of the working gas supplied from the gas supply section 4 to the pipe 9.

The operating gas supplied from the second end of the spray gun body 5a into the interior of the spray gun body 5a is heated by the heater 5c. The heater 5c is arranged on the second end side of the spray gun main body 5a. The operating gas flows along the arrow 41 inside the spray gun main body 5a. A temperature sensor 5d is connected to the connection between the nozzle 5b and the spray gun main body 5a. The temperature sensor 5d measures the temperature of the operating gas flowing inside the spray gun main body 5a.

A pipe 9 is connected to the nozzle 5b. Piping 9 is connected to powder feeder 3. The powder supply device 3 supplies powder, which is a film forming raw material, to the nozzle 5b of the spray gun 5 via a pipe 9.

The mask jig 6 is placed between the base material 50 and the spray gun 5. A through hole is formed in the mask jig 6. The through hole defines a film formation area on the surface of the base material 50.

<Operation of film forming equipment>
In the film forming apparatus 200 shown in FIG. 1, operating gas is supplied from the gas supply section 4 to the spray gun 5 via the pipe 9 as shown by an arrow 40. The operating gas supplied to the second end of the spray gun main body 5a is heated by the heater 5c. The operating gas flows from the spray gun main body 5a to the nozzle 5b. Powder 22, which serves as a film-forming raw material, is supplied to the nozzle 5b from the powder supply device 3 via a pipe 9 as shown by an arrow 42. The powder 22 supplied to the nozzle 5b is injected from the tip of the nozzle 5b toward the base material 50 together with the operating gas. A mask jig 6 is arranged on the surface of the base material 50. The injected powder 22 reaches the surface of the base material 50 through the through hole of the mask jig 6. On the surface of the base material 50, a film is formed using the injected powder 22 as a raw material.

<Powder set>
FIG. 2 is a schematic diagram showing a powder set according to this embodiment. Referring to FIG. 2, the powder set 100 includes a powder charging component 1 and a powder container 2. The powder set 100 is used to supply powder for cold spray stored in the powder container 2 into the powder feeder 3 (see FIG. 1). Details of the powder charging part 1 and the powder container 2 will be described later.

<Configuration of powder input parts>
FIG. 3 is a schematic diagram showing each part of the powder charging part of FIG. 2. Note that hereinafter, for convenience of explanation, the X direction, Y direction, Z direction, r direction (radial direction), and θ direction (circumferential direction) will be used. In addition, in the following description, the upper side and lower side of the powder feeding part 1 (each member thereof) in the Z direction corresponds to the upper side and lower side of the powder feeding part 1 in the Z direction when it is installed in the powder feeder 3. . Referring to FIG. 3, the powder charging component 1 is made of, for example, commonly known stainless steel. The powder charging part 1 mainly includes a first part 10 and a second part 15.

The first part 10 is a member that serves as the base of the entire powder charging part 1, and is an inserted part into which at least the second part 15 in the example of FIG. 3 is inserted. The first part 10 includes a bottom part 11 and an outer frame 12. The bottom portion 11 is disposed below the powder charging component 1 and serves as the base of the powder charging component 1. The bottom portion 11 has, for example, a circular planar shape on the XY plane.

The outer frame 12 is integral with the bottom part 11. The outer frame 12 extends from the outer periphery of the bottom portion 11 in the Z direction. By integrating the outer frame 12 and the bottom portion 11, the first component 10 has a container shape.

The second component 15 is a component that can be placed in the center of the powder input component 1 when viewed from above, and is an insertion port component that can be inserted into at least the first component 10 in the example of FIG. Planar view here means a mode viewed from the XY plane from the Z direction. The second part 15 is installed on the upper surface of the bottom part 11. Thereby, the second component 15 is surrounded by the outer frame 12.

FIG. 4 is a side view of the second part of FIG. 3. FIG. 5 is a plan view of the second part of FIG. 3. Referring to FIGS. 3, 4, and 5, the second component 15 mainly includes a tip portion 15A and a radial portion 15B.

The tip portion 15A is arranged at the center of the second component 15 in a plan view, and is provided at the top in the Z direction. The center means a center line C indicating the center of the entire second component 15 in plan view in FIG. 5 and a region relatively close to the center line C. The distal end portion 15A has a center portion 15A1 and a peripheral portion 15A2. The center portion 15A1 in FIG. 5 has a cylindrical shape extending along the Z direction. In other words, the top surface 15Aa of the tip portion 15A, which is the top surface of the tip portion 15A, has a circular planar shape. A first cavity 15CV is formed inside the center portion 15A1. As shown in FIG. 5, the center portion 15A1 of the tip portion 15A has a certain width toward the outside in the r direction from the first cavity 15CV in plan view. Therefore, the topmost surface 15Aa of the tip part has an annular shape having a width in the r direction.

The peripheral portion 15A2 is a portion directly connected to the center portion 15A1. In the plan view of FIG. 5, the peripheral portion 15A2 is adjacent to the outer side of the center portion 15A1 in the r direction, and surrounds the entire center portion 15A1 in the θ direction (one round). Therefore, at least the inner region in the r direction of the center portion 15A1 has a generally annular shape.

A plurality of radial portions 15B extend radially from the tip portion 15A. Each of the plurality of radial portions 15B extends outward in the r direction from the outer peripheral surface of the tip portion 15A. Each of the plurality of radial portions 15B is arranged with a gap 15C between them in the θ direction. As an example, FIG. 5 shows an example in which twelve radial portions 15B are formed. However, the number of radial portions 15B formed is not limited to this, and may be, for example, 3 or more and 5 or less. Alternatively, the number of radial portions 15B may be 6 or more and 11 or less, or 13 or more and 16 or less.

The radial portion 15B has a main portion 15D and leg portions 15E. The main portion 15D is disposed on the upper side of the radial portion 15B and is connected to the tip portion 15A. The main portion 15D may be connected to a position farthest from the center portion 15A1 of the peripheral portion 15A2 (away from the center line C in the r direction in plan view) as shown in FIG. Alternatively, the main portion 15D may be arranged so as to be directly connected to the lowest part of the center portion 15A1, or may be connected to the lower side surface of the center portion 15A1 and extended from there. In other words, the tip portion 15A may include only the cylindrical center portion 15A1 without the peripheral portion 15A2. The leg portion 15E is connected to the opposite side (that is, the lower side) of the tip portion 15A of the main portion 15D.

The main part 15D has a main part surface 15Ds as its uppermost surface. In other words, the main part surface 15Ds is a surface of the main part 15D that exists at a position farthest from the leg part 15E (on the opposite side to the leg part 15E).

In the plan view of FIG. 5, the main part surface 15Ds is arranged so as to be connected to the outer side of the uppermost surface (peripheral part surface 15A2a) of the peripheral part 15A2 in the r direction. The main part surface 15Ds extends radially outward in the r direction from the outer periphery of the peripheral part surface 15A2a. Therefore, a plurality of main parts 15D including the main part surface 15Ds are arranged with gaps 15C in between in the θ direction. The outer periphery of the main part surface 15Ds furthest away from the tip 15A in the r direction (the top of the outer peripheral surface 15Dc) has an arc shape in plan view. Therefore, the outer circumferential surface 15Dc in the r direction of the main portion 15D (columnar portion 15D2 extending along the Z direction described below: see FIG. 4) is arcuate in plan view.

As described above, the peripheral surface 15A2a is arranged so as to include the entire circumference in the θ direction, whereas a plurality of main portion surfaces 15Ds are arranged intermittently across the gap 15C in the θ direction. They differ in this respect. However, the peripheral surface 15A2a and the main surface 15Ds are connected to form a single surface. This surface is inclined with respect to the XY plane. In the main part surface 15Ds, the inner side of the main part 15D in the r direction (the tip 15A, the side closer to the center line C) is located on the upper side in the Z direction, and the side of the main part 15D away from the tip 15A in the r direction is the leg part. It is inclined so as to approach 15E (located on the lower side in the Z direction). In other words, the radially extending end point side of the main portion 15D is closer to the leg portion 15E than the radially extending starting point side (tip portion 15A side). In other words, the main part surface 15Ds is inclined so that the outer peripheral surface 15Dc side of the main part 15D is located lower in the Z direction than the side closer to the tip part 15A.

The angles of inclination of the peripheral surface 15A2a and the main surface 15Ds with respect to the XY plane may be equal or different. If they are different, it is preferable that the angle of inclination that the peripheral surface 15A2a makes with the XY plane is larger than the angle of inclination that the main part surface 15Ds makes with the XY plane.

The main part 15D of the radial part 15B includes a columnar part 15D2, which will be described later, extending along the Z direction, in addition to the above-mentioned main part surface 15Ds and a region immediately below it (slanted part 15D1, which will be described later). The columnar portion 15D2 is arranged below the lowest part of the main portion surface 15Ds in FIG. 4, and extends in the vertical direction. The columnar portion 15D2 is disposed directly below an outer region in the r direction that is relatively distant from the tip portion 15A and includes at least the outer circumferential surface 15Dc of the main portion 15D in the r direction. Therefore, the columnar portions 15D2 of the main portion 15D are cylinders in which a plurality of outer circumferential surfaces 15Dc (including a region adjacent to the inside of the outer circumferential surface 15Dc in the r direction) are formed intermittently with gaps 15C in the θ direction. It has a shape as part of a shape.

The leg portion 15E, like the main portion 15D, includes a columnar portion 15E2 (see FIG. 4) that extends along the Z direction. It is preferable that the outer circumferential surface of the leg portion 15E is formed slightly inside in the r direction compared to the outer circumferential surface of the main portion 15D. As a result, a step 15F (see FIG. 4) is formed at the boundary between the outer circumferential surface of the main portion 15D and the outer circumferential surface of the leg portion 15E. The leg portion 15E is formed in at least a portion of a region of the main portion 15D that overlaps with the columnar portion 15D2 in a plan view so as to be continuous with the columnar portion 15D2. The leg portion 15E has a width along the θ direction. Therefore, in FIGS. 4 and 5, the leg portions 15E are formed as part of a cylindrical shape in which a plurality of leg portions are formed intermittently so that the outer circumferential surface furthest from the tip portion 15A in the r direction is sandwiched with a gap 15C in the θ direction. It has a shape.

Since a plurality of radial portions 15B (the main portion surface 15Ds and the area immediately below the main portion surface 15Ds) are formed, a plurality of gaps 15C sandwiched therebetween in the θ direction are also formed. In FIG. 5, since twelve radial portions 15B are formed, the same number of gaps 15C are also formed. The individual gaps 15C have the same overall width along the θ direction. That is, as shown in FIG. 5, the end surface of the gap 15C in the circumferential direction does not face the center line C of the second component 15. A pair of circumferential end faces of the gap 15C extend parallel to each other. As an example, the width (shortest linear distance) w of the gap 15C in FIG. 5 is 8 mm. This value of w is approximately equal to the dimension L of the gap 15C along the θ direction (at the same position in the r direction as the outer peripheral surface 15Dc of the radial portion 15B). In FIG. 5, the width of the gap 15C is constant throughout, and conversely, the width of the main part surface 15Ds in FIG. 5 along the θ direction increases toward the outside in the r direction. As an example, the width of the outer peripheral surface of the main part surface 15Ds in FIG. 5 along the θ direction is close to 8 mm.

An example of the dimensions of each part of the second part 15 in FIGS. 4 and 5 other than the above w is as follows. The dimension a of the tip end 15A in FIG. 4 along the Z direction is 5 mm. The dimension b along the Z direction of the columnar part 15D2 extending from the lowest part of the main part surface 15Ds of the main part 15D in FIG. 4 is 20 mm. The dimension c of the columnar portion 15E2 of the leg portion 15E in FIG. 4 along the Z direction is 15 mm. The diameter φd of the first cavity 15CV of the tip portion 15A in FIG. 5 is 30 mm. The diameter φe of the outer peripheral surface of the center portion 15A1 in FIG. 5 is 33 mm. The diameter φf of the inner peripheral surface of the leg portion 15E is 54 mm, and the diameter φg of the outer peripheral surface of the leg portion 15E is 57 mm. The diameter φh of the outer peripheral surface 15Dc of the main portion 15D is 61 mm.

FIG. 6 is a side view of the powder charging part of FIG. 3. However, for convenience of explanation, the internal aspects of the insertion section 16 and dust collecting section 17, which will be described later, are also shown in cross section. Referring to FIG. 6, the powder feeding part 1 includes an insertion part 16 and a dust collection part 17 in addition to the above. The insertion part 16 is arranged on the lower surface of the bottom part 11 of the first part 10, that is, on the surface opposite to the side on which the second part 15 is arranged in the Z direction (facing the outside of the first part 10). . The insertion portion 16 extends downward in the Z direction from the lower surface of the bottom portion 11 . The insertion part 16 is a part that can be placed inside the powder feeder 3 when the powder feeding part 1 is installed in the powder feeder 3 . The dust collecting section 17 extends from the outer circumferential surface of the outer frame 12 in a direction along the bottom section 11 (for example, the X direction). The dust collection section 17 is a part for collecting powder and the like remaining inside the container-shaped first component 10 to the outside of the powder input component 1.

A second cavity 16CV is formed inside the insertion portion 16. Therefore, the insertion portion 16 has a generally cylindrical shape. A male screw may be formed on the outer peripheral surface of the insertion portion 16, or a projection or a groove may be formed. Further, a third cavity 17CV is formed inside the dust collecting section 17. Therefore, the dust collecting section 17 has a cylindrical shape.

FIG. 7 is a schematic diagram showing a state in which the first part and the second part of the powder charging part shown in FIG. 3 are disassembled. In other words, FIG. 7 shows a state immediately before the second component 15 is about to be inserted into the first component 10. Referring to FIG. 7, the second component 15 is inserted into the bottom hole 11CV of the first component 10, as indicated by the dashed-dotted arrow in the figure. Thereby, the second component 15 is installed so as to fit in the center of the first component 10 in a plan view. Next, the cross-sectional shape of the entire powder charging component 1 in which the second component 15 is installed on the first component 10 will be described.

FIG. 8 is a schematic cross-sectional view showing a first example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder charging component. Note that in FIG. 8, from the viewpoint of making the diagram easier to read, some of the members visible on the back side of the line AA (particularly inside the cavity in the X direction) are omitted. This also applies to FIGS. 9 to 12, which will be described later.

Referring to FIG. 8, the cross-sectional aspect of the second component 15, particularly the radial portion 15B, is as follows. The main portion 15D of the radial portion 15B has a configuration in which an inclined portion 15D1 and a columnar portion 15D2 are connected. Here, the sloped portion 15D1 is an upper portion of the main portion 15D, and means a portion that includes the main portion surface 15Ds and extends and expands at an angle to the XY plane. In other words, the main portion 15D includes an inclined portion 15D1 that includes the main portion surface 15Ds and is inclined in the XY plane, and a columnar portion 15D2 that is below the inclined portion and extends along the Z direction. As shown in FIG. 8, the distal end portion 15A, the main portion 15D, and the leg portions 15E may be continuous as one body, but they may also be continuous so that separate members are connected. The first cavity 15CV of the center portion 15A1 and the cavity 15CV2 within the inner circumferential surface of the radial portion 15B (and peripheral portion 15A2), regardless of whether they are integrated or connected as separate members. may be consecutive. Therefore, below, the cavity 15CV2 may be considered as the same cavity as the first cavity 15CV. On the other hand, the leg portion 15E of the radial portion 15B consists of a columnar portion 15E2.

The thickness of the main portion 15D shown in the cross section of FIG. 8 may be equal to the thickness of the tip portion 15A in the r direction. Here, the thickness shown in the cross section of FIG. 8 means the thickness in the direction perpendicular to the diagonal direction in which the inclined part 15D1 of the main part 15D extends, and the thickness in the direction perpendicular to the Z direction in which the columnar part 15D2 of the main part 15D extends. do. In addition, the term "equal" as used above includes both the case of being exactly the same and the case of being almost the same but including some errors. However, the thickness of the main portion 15D may be wider than the thickness of the tip portion 15A (particularly the center portion 15A1) in the r direction. By increasing the thickness of the main portion 15D, the rigidity of the second component 15 can be improved.

A step 15F is formed on the outer peripheral surface of the leg portion 15E and the main portion 15D. Therefore, if the inner peripheral surface of the leg portion 15E is at the same position as the main portion 15D as shown in FIG. 8, the thickness of the leg portion 15E in the r direction is thinner than the thickness of the main portion 15D (columnar portion 15D2) in the r direction. Become. However, although not shown, by forming the inner circumferential surface of the leg portion 15E (the surface closest to the distal end portion 15A in the r direction) inside the inner circumferential surface of the main portion 15D in the r direction, the leg portion 15E can be formed in the r direction. The thickness of the main portion 15D may be equal to the thickness of the main portion 15D in the r direction.

A bottom hole 11CV having, for example, a circular plane is formed in the bottom 11 so as to be centered on the center line C. The bottom hole 11CV passes through the bottom 11 in the Z direction. The leg portion 15E is arranged so as to be inserted into the bottom hole 11CV. Due to the insertion, a slight distance G may be created between the surface of the leg portion 15E and the inner circumferential surface of the bottom hole 11CV. The second part 15 is installed on the bottom part 11 so that the step 15F formed at the boundary between the outer peripheral surfaces of the main part 15D and the leg parts 15E rests on a portion of the surface 11A of the bottom part 11 adjacent to the outer edge of the bottom hole 11CV. It is preferable that More specifically, it is preferable that the main part 15D is placed on the bottom part 11 so that the lowermost surface of the main part 15D forming the step 15F and facing downward in the Z direction contacts the surface 11A.

FIG. 9 is a schematic sectional view showing a first example of a portion along line BB in FIG. 5 in a state where the second component is installed at the bottom of the powder charging component. That is, FIG. 9 shows a cross-sectional aspect in the same state as FIG. 8 but at a different position from FIG. Referring to FIG. 9, the portion along the line BB corresponds to the gap 15C of the second component 15. In the portion along the line BB, only the tip portion 15A is disposed, and the radial portion 15B is not disposed. Therefore, the outer circumferential surface 15Dc of the columnar portion 15D2 of the main portion 15D is disposed intermittently by the gap 15C. This is basically the same in the second to fourth examples described below, so the explanation will not be repeated below.

Note that FIG. 9 only shows a pair of radial portions 15B on the front side (at the left end and right end in the X direction in the figure), which are closest to the A-A line among the members visible on the back side of the A-A line. . In FIG. 9, the radial portions 15B other than the radial portion 15B closest to the front are omitted.

<Modified examples of powder input parts>
FIG. 10 is a schematic cross-sectional view showing a second example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder input component. Referring to FIG. 10, since basically the same aspect as the first example of FIG. 8 is shown, the same components as in FIG. Don't repeat the explanation. In FIG. 10, the columnar portion 15D2 is different from that in FIG. In FIG. 10, the columnar portion 15D2 is disposed almost entirely directly below the inclined portion 15D1, which is the area directly under the main portion surface 15Ds that is inclined with respect to the XY plane. Further, in FIG. 10, a columnar portion 15A3 is also formed directly below the tip portion 15A, and this may be integrated with the columnar portion 15D2 of the main portion 15D.

As a result, the main portion 15D is formed thicker in the r direction than in the first example of FIG. Specifically, the r-direction dimension of the main portion 15D is equal to the dimension from the inner circumferential surface of the tip portion 15A to the outer circumferential surface of the main portion 15D, as shown in FIG. 10, for example. In this case, as shown in FIG. 10, the first cavity 15CV2, which is the inner circumferential surface of the main part 15D in the r direction, is arranged directly below the first cavity 15CV of the center part 15A1. It may be a mode in which it extends straight from to the cavity portion 15CV2. However, it is not limited to this. For example, although not shown, the inner circumferential surface of the cavity 15CV2 of the radial portion 15B may be located slightly outside in the r direction than the inner circumferential surface of the first cavity 15CV of the distal end portion 15A. That is, although not shown, for example, only the main portion 15D may have the columnar portion 15D2, and the columnar portion 15A3 may not be formed directly below the tip portion 15A. This also applies to the examples shown in FIGS. 11 and 12, so the description will not be repeated below.

FIG. 11 is a schematic sectional view showing a third example of a portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder charging component. Referring to FIG. 11, since basically the same aspect as the second example of FIG. 10 is shown, the same components as in FIG. Don't repeat the explanation. In FIG. 11, in addition to the main portion 15D, the leg portion 15E inserted into the bottom hole 11CV is also thicker in the r direction than in the second example of FIG. 10. Specifically, it extends straight along the Z direction so that the inner wall surface of the cavity 15CV2 in the main portion 15D (and the tip portion 15A) and the inner wall surface of the cavity 15CV2 in the leg portion 15E overlap in plan view. Therefore, the leg portion 15E is thinner in the r direction than the main portion 15D by the step 15F on the outer peripheral surface. Such an embodiment may be adopted.

As shown in FIGS. 10 and 11, if the radial portion 15B is formed thicker in the r direction than in FIG. 8, the rigidity of the entire second component 15 is increased compared to FIG.

FIG. 12 is a schematic sectional view showing a fourth example of the portion along line AA in FIG. 5 in a state where the second component is installed at the bottom of the powder charging component. Referring to FIG. 12, basically the same aspect as the third example of FIG. 11 is shown, so the same components as in FIG. Don't repeat the explanation. In FIG. 12, the second part 15 and the bottom part 11 are integrally formed. Therefore, the second part 15 and the bottom part 11 are fixed so that they cannot be separated from each other. The second part 15 is attached to the bottom part 11 in this manner. In FIG. 12, the radial portion 15B includes only the main portion 15D. In each of the other examples, the portion corresponding to the leg portion 15E is formed as the bottom portion 11 in FIG. The bottom portion 11 in FIG. 12 is larger in size along the XY plane than the second part 15, as in the other examples. A portion of the cavity formed so as to be continuous with the first cavity 15CV and the cavity portion 15CV2 in the region formed as the bottom portion 11 is defined as the bottom hole 11CV in FIG. 12 .

In each of the above points, the fourth example shown in FIG. 12 is different from the first to third examples in which the second component 15 is attached to the bottom part 11 by inserting the second part 15 into the bottom hole 11CV of the bottom part 11. ing.

Although not shown, as a modification, the second component 15 may be formed to be integrally fixed to the bottom portion 11 in the same manner as in FIG. 12 in each of the examples shown in FIGS. 8 and 10.

In any of the first to fourth examples above, the bottom hole 11CV is formed directly below the first cavity 15CV so as to be continuous with the first cavity 15CV. Note that the term "continuous" here means that the first cavity 15CV and the bottom hole 11CV are continuous as a single cavity. In particular, the above can be said by defining the portion of the cavity 15CV2 disposed within the bottom hole 11CV as the bottom hole 11CV. Therefore, the cavity 15CV2 may be sandwiched between the first cavity 15CV and the bottom hole 11CV. This is because in each of the above examples, the first cavity 15CV, the cavity part 15CV2, and the bottom hole 11CV are all connected to form a single cavity. Furthermore, a second cavity 16CV formed in the insertion part 16 below the bottom part 11 is arranged so as to be continuous with the bottom hole 11CV. Therefore, the first cavity 15CV, the cavity portion 15CV2, the bottom hole 11CV, and the second cavity 16CV may all be connected to form a single cavity.

FIG. 13 is a plan view of a first modification of the second component in FIG. 3. FIG. 14 is a plan view of a second modification of the second part of FIG. 3. FIG. Referring to FIGS. 13 and 14, basically the same aspect as FIG. 5 is shown here, so the same components as in FIG. Don't repeat explanations. In FIG. 13, the planar shape of the tip portion 15A is not circular but rectangular (square). In FIG. 14, the planar shape of the tip portion 15A is triangular. In this way, the planar shape of the tip portion 15A is not limited to a circular shape. Although not shown, the tip portion 15A can have any polygonal planar shape, such as a hexagon or an octagon. The tip portion 15A may have a cylindrical shape as shown in FIG. 5, or may have a polygonal cylindrical shape in plan view as shown in FIGS. 13 and 14.

FIG. 15 is a plan view of a third modification of the second component in FIG. 3. Referring to FIG. 15, since basically the same aspect as FIG. 5 is shown here, the same components as in FIG. do not have. In FIG. 15, a plurality of regions including the main portion surface 15Ds, which are formed in the main portion 15D, have the same overall width along the θ direction. Therefore, conversely, the width of the gap 15C in FIG. 15 along the θ direction increases toward the outside in the r direction. In this way, the relationship between the planar shapes of the main portion surface 15Ds and the gap 15C may be reversed from that in FIG. 5.

<Configuration of powder container>
FIG. 16 is a schematic diagram showing each part of the powder container of FIG. 2. Referring to FIG. 16, the powder container 2 includes a container body 21 in which a container opening 21A is formed, and a powder 22 (see FIG. 1) that is housed in the container body 21 and serves as a film forming raw material. The container body 21 usually has a cylindrical shape, but as shown in FIG. 16, the diameter may be smaller in some areas (particularly in the area adjacent to the container mouth 21A) than in other areas. For example, a film 23 made of aluminum is attached to cover the container mouth 21A. As a result, the inside of the container body 21 is sealed.

<How to add powder>
The powder feeding method according to this embodiment is a method using the powder set 100 shown in FIG. 2. FIG. 17 is a flowchart showing the powder charging method according to this embodiment. Referring to FIG. 17, a powder container with a film pasted thereon is prepared (S10). Specifically, as shown in FIG. 16, a powder container 2 is prepared in which a film 23 made of aluminum or the like is pasted on a container mouth 21A of a container body 21 containing powder 22. Note that here, the powder container 2 may be purchased with the film 23 pasted on the container mouth 21A in advance. Alternatively, after purchasing the powder container 2 to which the film 23 is not attached, the process of attaching the film 23 to the container mouth 21A may be performed.

Referring again to FIG. 17, the powder input component with the second component installed is attached to the powder feeder (S20). FIG. 18 is a schematic diagram of the powder feeder. Referring to FIG. 18, the powder feeder 3 shown in FIG. 1 is a device (receiving device) that receives powder supplied from the powder container 2. The powder supply machine 3 includes a powder storage section 31 and a powder supply port 32. The powder storage section 31 is a main body of the powder supply machine 3 in which the powder 22 (see FIG. 1) for film formation is actually stored. The powder supply port 32 is an opening (a member forming the opening) for supplying the powder 22 to the powder storage section 31.

The second part 15 may be attached so as to be inserted into the bottom part 11 (bottom hole 11CV) of the powder charging part 1, as shown in FIGS. 8, 10, and 11. Alternatively, the second part 15 may be formed integrally with the bottom part 11 of the powder charging part 1 and fixedly attached to the bottom part 11, as shown in FIG.

For example, as shown in FIG. 21, which will be described later, consider a case where the insertion part 16 is inserted into the inner peripheral surface of the powder supply port 32. In this case, for example, a female thread may be formed on the inner peripheral surface of the powder supply port 32 and a male thread may be formed on the outer peripheral surface of the insertion portion 16. As a result, the insertion part 16 of the powder input part 1 (see FIG. 6) is inserted into the powder supply port 32, and the male thread of the insertion part 16 and the female thread of the powder supply port 32 are connected. It may be concluded. Alternatively, the insert portion 16 may be attached to the powder supply port 32 by means other than screws (for example, a protrusion and a groove).

FIG. 19 is a schematic diagram illustrating a state immediately before the powder container is inserted into the powder supplying part in which the second part is installed and is attached to the powder supply machine. Referring to FIG. 19, the powder feeding component 1 is attached, for example, so as to overlap the top of the powder feeder 3 by the above-described procedure.

Referring again to FIG. 17, next, the powder container is inserted into the powder input component (S30). FIG. 20 is a schematic diagram showing a state in which the powder container is inserted after FIG. 19. Referring to FIGS. 19 and 20, powder container 2 is inserted inside the inner peripheral surface of outer frame 12 of powder charging component 1 attached to powder feeder 3. As shown in FIG. At this time, the powder container 2 is turned upside down so that the container mouth 21A is on the lower side and the bottom of the container body 21 is on the upper side. In this state, the powder container 2 is lowered until the container mouth 21A is located below the uppermost surface of the tip 15A (see FIG. 4).

Referring again to FIG. 19, the diameter φ1 (diameter; the same applies hereinafter) of the container mouth 21A is larger than the diameter φ2 of the tip 15A (see FIG. 7). The diameter φ2 of the tip portion 15A means the outer diameter of the center portion 15A1. Among these, it is particularly preferable that the diameter φ1 of the container mouth 21A is larger than the diameter φ3 of the radial portion 15B (see FIG. 7) (which has a larger diameter than the tip portion 15A). Further, the diameter φ5 of the inner peripheral surface 12A of the outer frame 12 is larger than the diameter φ4 of the container body 21. Here, the diameter φ4 refers to the diameter of the thickest region of the container body 21 other than the constricted region particularly near the container mouth 21A.

FIG. 21 is a sectional view showing the internal aspect in FIG. 20. In addition, in FIG. 21, for convenience of explanation, only the second component 15 is a side view, and the other parts are sectional views. Referring to FIG. 21, as an example, the diameter φ1 in FIG. 19 is larger than the diameter φ3. Therefore, the film 23 (see FIG. 16) attached to the container mouth 21A is penetrated by the second part 15 including the tip 15A, enters the area surrounded by the outer frame 12, and reaches the bottom 11. ing. At this time, the container main body 21, which has been turned upside down, covers the second component 15 from above.

However, the diameter φ1 in FIG. 19 may be at least 40 mm or more. φe in FIG. 5 is, for example, 33 mm, and φh is, for example, 61 mm. Therefore, the diameter φ1 in FIG. 19 may be larger than the diameter φ2 and smaller than the diameter φ3. In this case, the container opening 21A does not reach the bottom 11 as shown in FIG. 21, but remains on the main part surface 15Ds, for example. At this time, the container body 21 covers only a portion of the tip portion 15A and the radial portion 15B of the second component 15.

Next, since the diameter φ5 is larger than the diameter φ4 in FIG. 19, the container main body 21 can be inserted into the outer frame 12. However, it is more preferable that the diameter φ5 is slightly larger than the diameter φ4. Specifically, for example, it is more preferable that the diameter φ5 is larger than the diameter φ4 by 1% or more and 2% or less. This reduces the gap between the inner circumferential surface 12A of the outer frame 12 and the largest diameter portion of the container body 21 in FIG. 21 when the powder container 2 is inserted into the powder charging component 1. Further, the height at which the outer frame 12 extends in the first direction (Z direction) from the surface 11A of the bottom part 11 (the surface on which the second component 15 is installed) is the height of the outer frame 12 other than the thick part on the bottom side of the container body 21 It is more preferable that the height is greater than or equal to the height of the part) in the Z direction. As a result, in the state shown in FIG. 21, there is a region where the inner circumferential surface 12A of the outer frame 12 and the largest diameter portion of the container body 21 face each other. The radial gap between the opposing regions is relatively small. Therefore, the effect of suppressing the scattering of powder 22 (see FIG. 1), which will be described later, is further enhanced.

Referring again to FIG. 17, after the powder 22 is introduced into the powder feeder 3 in the step (S30), the residue of the powder 22 in the powder input component 1 is collected in the dust collecting section 17 (see FIG. (see) to the outside of the powder charging part 1 (S40). The residue of the powder 22 that remains inside the container-shaped first part 10, for example, on the second part 15 and the surface 11A of the bottom part 11 around it, is absorbed from the dust collecting section 17 and discarded.

<Effect>
The powder charging component 1 according to the present disclosure includes a first component 10 including a bottom portion 11 and an outer frame 12, and a second component 15. The bottom portion 11 is formed with a bottom hole 11CV. The outer frame 12 extends from the outer periphery of the bottom portion 11 in a first direction (Z direction) intersecting the bottom portion 11 . The second part 15 is attached (by insertion or fixation) to the bottom part 11 so as to be surrounded by the outer frame 12 . The second component 15 includes a tip portion 15A having a width in plan view. The distal end portion 15A has a cylindrical portion (center portion 15A1) that extends in the first direction and has a first cavity 15CV formed therein.

When transferring the powder 22 from the powder container 2 to the powder feeder 3, for example, if a cutter having a protruding tip with a single point as disclosed in JP-A-7-256081 is used, the powder 22 will be transferred to the powder feeder 3. There is a risk of scattering from the body container 2. Further, powder may adhere and accumulate on the upper part of the protrusion-shaped cutter, reducing the efficiency of transferring the powder 22 from the powder container 2 to the powder feeder 3. The powder 22 (see FIG. 1) used in the cold spray method has a relatively small particle size of 1 μm or more and 60 μm or less. This is because if the particle size is small, the powder 22 tends to aggregate and scatter, and is likely to adhere to the inner circumferential surface of the powder container 2 and the vicinity of one protrusion.

Therefore, in this embodiment, the distal end portion 15A of the second component 15 has a cylindrical center portion 15A1, and has a width in a plan view. The tip portion 15A is arranged not at one point but over a wide range. Therefore, the tip portion 15A easily tears the film 23 over a wide range by simply lowering the film 23 of the powder container 2 a little. Furthermore, when the powder 22 is introduced, the container opening 21A is surrounded by the outer frame 12. Thereby, the risk of the powder 22 scattering to the outside of the powder charging component 1 during charging can be reduced.

Further, since the tip 15A has a cylindrical center portion 15A1, the powder 22 in the powder container 2 can easily flow into the first cavity 15CV from the damaged part where the film 23 is extensively torn by the tip 15A. Can be introduced.

Referring again to FIG. 21, the film 23 (not shown) attached to the container mouth 21A is torn as the powder container 2 descends as indicated by arrow M. When the tip portion 15A and the radial portion 15B of the second component 15 are inserted into the powder container 2, the powder 22 (not shown) is transferred to the first portion extending in the Z direction as shown by the arrow F. Falling inside the cavity 15CV. If the first cavity 15CV is connected to the inside of the powder feeder 3 as shown in FIG. 3 can be transferred efficiently.

Since the tip portion 15A has a cylindrical center portion 15A1, the distance that the film 23 must descend to break through the tip portion 15A can be shortened compared to the case where the tip portion has a protrusion shape with only one point. Therefore, even if powder comes into contact with the tip 15A, it is possible to reduce the possibility that a large amount of powder 22 will aggregate in a narrow range or adhere to the surface of the tip 15A. From this point of view, the powder 22 can be efficiently supplied into the powder feeder 3 and the like.

In the powder charging component 1, the bottom hole 11CV is preferably arranged so as to be continuous with the first cavity 15CV. If the first cavity 15CV communicates with the bottom hole 11CV as shown in FIG. 21, the structure is such that the first cavity 15CV communicates with the inside of the powder feeder 3 via the bottom hole 11CV. Therefore, the powder 22 can be efficiently transferred from the tip portion 15A (first cavity 15CV) into the powder feeder 3.

In the powder injection component 1, the second component 15 is preferably arranged such that a plurality of radial portions 15B extending radially from the tip portion 15A are arranged with gaps 15C in the circumferential direction (θ direction). As a result, as shown in FIG. 21, a part of the powder 22 that has fallen into the radial portion 15B is introduced from the gap 15C into the cavity 15CV2 (which is continuous with and is considered to be the same cavity as the first cavity 15CV). From there, it can be efficiently transferred into the powder feeder 3. Therefore, the possibility that the fallen powder 22 will be stacked on the second component 15 can be reduced. Further, due to the existence of the gap 15C, the outer circumferential surface 15Dc of the radial portion 15B is also left open in the gap 15C where the main portion 15D and the leg portions 15E are not arranged in the θ direction. Therefore, the powder can be introduced into the first cavity 15CV from the outside of the gap 15C in the r direction and allowed to fall into the powder feeder 3.

For example, as shown in FIG. 5, when the width along the θ direction of the outer circumferential surface 15Dc of the main part surface 15Ds is 8 mm, and the width w of the gap 15C is 8 mm, the aperture ratio due to the gap 15C on the outer circumferential surface of the main part 15D is It will be about 50%. By increasing the aperture ratio, the accumulation rate of powder in the first cavity 15CV (the cavity 15CV2 connected thereto) can be further increased.

In the powder charging component 1, the radial portion 15B has a main portion 15D connected to the tip 15A, and a leg portion 15E connected to the opposite side (lower side in the Z direction) of the main portion 15D from the tip 15A. You may. The main part surface 15Ds of the main part 15D that is farthest from the leg part 15E is preferably inclined so that the side (outside) away from the tip part 15A of the main part 15D approaches the leg part 15E. Thereby, for example, the powder 22 that has fallen onto the main part surface 15Ds can be smoothly dropped into the cavity 15CV2, and can be efficiently transferred from there into the powder feeder 3.

In the powder charging component 1, a plurality of gaps 15C are formed, and each gap 15C may have the same width along the circumferential direction as a whole. By making the width of the gap 15C equal as shown in FIG. 5, the gap 15C can be easily processed. A method of manufacturing the powder charging part 1 will be described later.

In the powder injection component 1, the radial portion 15B may include a columnar portion 15D2 extending in the first direction. Thereby, the powder 22 that has entered the gap 15C can be easily dropped along the Z direction and easily introduced into the powder feeder 3.

In the powder charging component 1, the tip portion 15A has a circular planar portion (center portion 15A1). By having a cylindrical shape, the tip portion 15A can be easily processed.

The powder input component 1 may further include an insertion portion 16 in which a second cavity 16CV connected to the bottom hole 11CV is formed on the outside (lower side in the Z direction) of the bottom portion 11. If the first cavity 15CV communicates with the bottom hole 11CV as shown in FIG. 21, it is possible to form a continuous space from the first cavity 15CV to the second cavity 16CV via the bottom hole 11CV. Since the second cavity 16CV exists outside the area surrounded by the outer frame 12, it can be configured to communicate into the powder feeder 3 from there. Therefore, the powder 22 can be efficiently transferred from the tip portion 15A (first cavity 15CV) into the powder feeder 3.

A powder set 100 according to the present disclosure includes the above-mentioned powder input component 1 and a powder container 2 in which powder 22 is stored. The powder container 2 includes a container body 21 in which a container opening 21A is formed. The inside of the container body 21 is sealed by pasting a film 23 on the container mouth 21A. A film 23 is attached to the container mouth 21A. Thereby, it is possible to suppress scattering and leakage of the powder 22 from inside the powder container 2 when the powder container 2 is turned upside down before and immediately before charging the powder 22.

In the powder set 100, the diameter of the container mouth is preferably larger than the diameter of the tip. Thereby, the powder container 2, which is turned upside down when the powder 22 is introduced, can be installed so that the container opening 21A overlaps at least a portion of the radial portion 15B and the gap 15C. Therefore, as described above, the efficiency with which the powder 22 falls onto the powder feeder 3 through the gap 15C can be improved.

FIG. 22 is a schematic diagram showing a state in which bridging occurs when powder in a powder container is dropped. Referring to FIG. 22, consider a case where the diameter of the container mouth 21A is very small compared to the diameter of the container body 21. In this case, if the container body 21 is turned upside down in order to drop the powder 22 inside the container body 21, the powder 22 will form an upwardly curved arch 25 at the constricted part of the container body 21. Form. As a result, the arch 25 receives resistance from below, and a phenomenon called bridging, which makes it difficult for the powder 22 to fall, tends to occur. From the viewpoint of preventing such a phenomenon, for example, when using the second part 15 in which the diameter of the tip part 15A is 33 mm and the diameter of the radial part 15B is 61 mm, the container body made of polyethylene of the powder container 2 with a volume of 2 liters is 21, it is preferable that the diameter of the container opening 21A is 40 mm or more.

In the powder set 100, the diameter of the inner peripheral surface 12A of the outer frame 12 is preferably larger than the diameter of the container body 21. Thereby, the powder container 2 can be installed so that the part with the largest diameter of the container body 21 (the part with the diameter φ4 in FIG. 19) is surrounded by the outer frame 12. Thereby, scattering of the powder 22 to the outside of the outer frame 12 can be suppressed more reliably.

The powder feeding method according to the present disclosure uses the powder set 100 described above. In this powder charging method, a powder container 2 with a film 23 attached to the container mouth 21A is prepared. The powder feeding part 1, on which the second part 15 is installed (by insertion or fixation), is attached to the powder feeder 3 to which powder 22 is to be fed. The powder container 2 is inserted into the outer frame 12 of the powder charging component 1. In the insertion process, the powder container 2 is lowered until the container opening 21A is located below the uppermost surface of the tip portion 15A while the powder container 2 is upside down.

When the powder container 2 is lowered, the tip 15A contacts the film 23 and applies force to the film 23 from below, making it possible to break the film 23 attached to the container mouth 21A over a wide range. Further, as described above, scattering, aggregation, and adhesion of the powder 22 can be suppressed, and the powder 22 can be fed into the powder feeder 3 with high efficiency.

In addition, the powder input component 1 has a dust collection section 17. The dust collecting section 17 has a cylindrical shape, for example, and has a third cavity 17CV. The dust collecting section 17 is arranged so that the third cavity 17CV is connected to an opening formed in a part of the outer frame 12. As a result, for example, when the powder 22 is charged, powder that does not flow toward the powder feeder 3 side and remains on the bottom part 11 or the second part 15 is collected from the dust collection part 17 to the outside of the powder supply part 1. can. Specifically, referring again to FIGS. 19 and 20, the residual amount of the powder 22 of the powder input component 1 can be collected through the dust collection duct 17A attached to the dust collection section 17. Therefore, since the powder feeding part 1 has the dust collection part 17, even after the feeding work of the powder 22 to the powder feeding machine 3 is completed, the powder 22 is not released to the outside of the powder feeding part 1. Scattering can be suppressed.

To summarize the above, the powder 22 is scattered by the film 23 before being introduced into the powder feeder 3, by the second part 15 and the outer frame 12 while being introduced, and by the dust collector 17 after being introduced. can be suppressed.

<Method for manufacturing powder input parts>
Basically, the powder charging component 1 according to the present embodiment may be made of any material that can tear the film 23. That is, the powder charging component 1 is formed from either a metal material or a resin material, for example. The powder charging component 1 made of a metal material is obtained by cutting a material such as generally known stainless steel (SUS304), for example. Among the cutting processes, it is preferable to perform turning using a machining center, for example. Moreover, the powder injection part 1 formed from a resin material may be obtained by resin molding using a metal mold, in addition to the cutting process as described above.

FIG. 23 is a schematic diagram of a cutter prepared as a comparative example of this embodiment. On the left side of FIG. 23 is shown a schematic diagram illustrating an aspect of a second component of a comparative example consisting of a cutter and a penetrating component. The right side of FIG. 23 shows an enlarged schematic view of the cutter. Referring to FIG. 23, in a comparative example, a cutter 150 was prepared in which four triangular blades (triangular blades 150A) were combined. The cutter 150 roughly corresponds to the tip portion 15A of this embodiment. The triangular blade was formed by cutting stainless steel. The four triangular blades 150A were assembled so that their respective apexes were gathered at one protrusion 150P and their surfaces were at right angles. A penetrating component 151 was attached directly below the cutter 150. The penetrating component 151 is made of stainless steel and roughly corresponds to the radial portion 15B of this embodiment. A fourth cavity 151CV as a through hole was formed at the center in plan view. The fourth cavity 151CV was arranged to overlap with the protrusion 150P. This is an embodiment in which the powder 22 can fall inside the fourth cavity 151CV.

On the other hand, a powder charging part 1 shown in FIG. 8 was formed as a sample of this embodiment. The second part 15 was formed by cutting.

Powder 22 (see FIG. 22) was fed into the powder feeder 3 using the above two types of samples. The powder 22 transferred here is a mixed powder of aluminum and aluminum oxide. Further, the powder container 2 used had a container body 21 made of polyethylene and having a volume of 2 liters. 1 kg of powder 22 was charged, and the charging speed was 400 g/min.

FIG. 24 is a photograph showing a damaged part of the aluminum film attached to the container body when the cutter of the comparative example was used. FIG. 25 is a photograph showing a damaged part of the aluminum film attached to the container body when the powder charging component including the second component of this embodiment is used. Referring to FIGS. 24 and 25, it was found that by using the powder charging component 1 of this embodiment, the film was damaged over a wider range than by using the cutter 150 of the comparative example. Furthermore, when the powder charging part 1 of the present embodiment was used, scattering, aggregation, and adhesion (stacking of the powder 22) of the powder 22 were suppressed compared to the comparative example.

The embodiments disclosed this time should be considered to be illustrative in all respects and not restrictive. Unless there is a contradiction, at least two examples of the embodiments disclosed herein may be combined as appropriate. The basic scope of the present disclosure is indicated by the claims rather than the above description, and it is intended that all changes within the meaning and range equivalent to the claims are included.

1 Powder input parts, 2 Powder container, 3 Powder feeder, 4 Gas supply section, 5 Spray gun, 5a Spray gun main body, 5b Nozzle, 5c Heater, 5d Temperature sensor, 6 Mask jig, 7 Valve , 8 Pressure sensor, 9 Piping, 11 Bottom, 11A Surface, 11CV Bottom hole, 12 Outer frame, 12A Inner peripheral surface, 15 Second part, 15A Tip, 15A1 Center, 15A2 Surroundings, 15Aa Tip top surface, 15A2a Surrounding part surface, 15B Radial part, 15C Gap, 15CV first cavity, 15CV2 Cavity part, 15D Main part, 15D1 Inclined part, 15D2, 15A3, 15E2 Column part, 15Dc Outer peripheral surface, 15Ds Main part surface, 15E Legs , 15F step, 16 insertion part, 16CV second cavity, 17 dust collection part, 17CV third cavity, 21 container body, 21A container mouth, 22 powder, 31 powder storage part, 32 powder supply port, 40, 41, 42 arrow, 50 base material, 100 powder set, 150 cutter, 150A triangular blade, 150P cutter tip, 151 penetration part, 151CV fourth cavity, 200 film forming device.

Claims (12)

1. a first part including a bottom in which a bottom hole is formed; and an outer frame extending from an outer periphery of the bottom in a first direction intersecting the bottom;
   a second component attached to the bottom so as to be surrounded by the outer frame,
   The second component includes a tip portion having a width in a plan view,
   The tip portion is a part for introducing powder, and has a cylindrical portion extending in the first direction and having a first cavity formed therein.
2. The powder charging component according to claim 1, wherein the bottom hole is arranged so as to be continuous with the first cavity.
3. The powder feeding component according to claim 1 or 2, wherein the second component has a plurality of radial portions extending radially from the tip portion and arranged with gaps in the circumferential direction.
4. The radial part has a main part connected to the tip part, and a leg part connected to the opposite side of the main part from the tip part,
   The powder feeding component according to claim 3, wherein a surface of the main part that is farthest from the leg of the main part is inclined such that a side of the main part that is away from the tip approaches the leg. .
5. A plurality of the gaps are formed,
   The powder feeding component according to claim 3 or 4, wherein each of the gaps has the same width along the circumferential direction as a whole.
6. The powder feeding component according to any one of claims 3 to 5, wherein the radial part includes a columnar part along the first direction.
7. The powder feeding component according to any one of claims 1 to 6, wherein the tip portion has a circular planar portion.
8. The powder charging component according to any one of claims 1 to 7, further comprising an insertion part in which a second cavity connected to the bottom hole is formed on an outer surface of the bottom part.
9. The powder feeding part according to any one of claims 1 to 8,
   A powder container containing powder,
   The powder container includes a container body in which a container opening is formed,
   A powder set, wherein the inside of the container body is sealed by pasting a film on the container opening.
10. The powder set according to claim 9, wherein the diameter of the container opening is larger than the diameter of the tip.
11. The powder set according to claim 9 or 10, wherein the diameter of the inner peripheral surface of the outer frame is larger than the diameter of the container body.
12. A powder charging method using the powder set according to any one of claims 9 to 11,
    preparing the powder container with the film attached to the container mouth;
    a step of attaching the powder input component, in which the second component is installed, to a powder feeder that is to supply the powder;
    inserting the powder container into the outer frame of the powder input component,
    In the inserting step, the powder container is lowered until the container opening is located below the uppermost surface of the tip part while the powder container is upside down.

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