WO2004037440A1 - 柱状構造体の外周面コーティング装置及び柱状構造体の外周面コーティング方法 - Google Patents
柱状構造体の外周面コーティング装置及び柱状構造体の外周面コーティング方法 Download PDFInfo
- Publication number
- WO2004037440A1 WO2004037440A1 PCT/JP2003/013430 JP0313430W WO2004037440A1 WO 2004037440 A1 WO2004037440 A1 WO 2004037440A1 JP 0313430 W JP0313430 W JP 0313430W WO 2004037440 A1 WO2004037440 A1 WO 2004037440A1
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- WO
- WIPO (PCT)
- Prior art keywords
- columnar structure
- outer peripheral
- peripheral surface
- coating
- pedestal
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0038—Machines or methods for applying the material to surfaces to form a permanent layer thereon lining the outer wall of hollow objects, e.g. pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/08—Spreading liquid or other fluent material by manipulating the work, e.g. tilting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0241—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to elongated work, e.g. wires, cables, tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
Definitions
- the present invention relates to an apparatus for coating an outer peripheral surface of a columnar structure #: and a method of coating the outer peripheral surface of a columnar structure. More specifically, an apparatus for coating an outer peripheral surface of a columnar structure and an outer peripheral surface of the columnar structure capable of forming a defect-free outer peripheral surface coating by preventing cracks during drying after coating the outer peripheral surface of the columnar structure. Regarding surface coating method. Background art
- the present inventors have proposed an outer peripheral surface coating device for applying a coating on the outer peripheral surface of a ceramic 82 cam structure (columnar structure) (Japanese Patent Laid-Open No. 4-647768). (See the official bulletin.)
- the outer peripheral portion is formed by coating the slurry on the outer peripheral surface of the ceramic honeycomb structure, the outer peripheral portion of which has been removed in advance by machining, so that the outer peripheral portion (outer peripheral surface) can be formed.
- This device comprises a first pallet for holding a column, a mechanism for rotating the first pallet about a central axis of the first pallet, and a leveling plate provided with a predetermined clearance from the outer periphery of the column. It is characterized by having.
- the coating material is supplied from the nozzle (supply / applying means) to the columnar body which is placed on the first pallet and rotates, and is coated.
- the leveling material was leveled by the leveling plate, and a columnar coated product with high dimensional accuracy was obtained in a short time compared to the hand coating method.
- the central axis direction of the columnar structure is set to be substantially vertical, and the columnar structure extends between both ends of the outer peripheral surface (over the entire area from the upper side to the lower side).
- the coating material removed by the leveling plate flows down the nozzle (below the outer peripheral surface) and accumulates in the lower portion of the nozzle, and it is accumulated on the outer peripheral surface.
- the lower side of the outer peripheral surface is thickly coated by adhering to the surface. For this reason, there was a problem that, when drying after coating, a crack was formed in the coating portion on the lower side of the outer peripheral surface where the coating became too thick. Disclosure of the invention
- the present invention has been made in view of the above-described problem, and supplies and applies a coating material to an upper side of an outer peripheral surface of a columnar structure having a center axis direction substantially perpendicular to the columnar structure.
- a coating surface between the leveling means having a length equal to or greater than the length between both end surfaces and the outer peripheral surface, the coating material is uniformly coated on the outer periphery of the columnar structure, and is partially (peripheral surface).
- Outer surface of the columnar structure and the outer periphery of the columnar structure which can prevent the occurrence of cracks in the coating portion during drying after coating, since the thickness of the columnar structure is prevented from becoming thicker.
- the purpose is to provide a surface coating method.
- the present invention provides the following outer peripheral surface coating device for a columnar structure and a method for coating the outer peripheral surface of a columnar structure.
- the coating material is supplied and applied to the outer peripheral surface of the columnar structure, which is arranged at a predetermined position and rotates, and the applying surface of the coating material supplied to and applied to the outer peripheral surface is uniformized.
- An apparatus for coating an outer peripheral surface of a columnar structure comprising: a flat plate-shaped leveling means; and a slit-shaped opening for supplying and applying the coating material toward the outer peripheral surface, wherein the supply and application means supplies the coating material to the outer peripheral surface.
- the nozzle has an opening formed therein, and the opening of the nozzle has an upper end located at the position of the columnar structure. It is arranged so as to be substantially at the same position as the upper end portion and in a substantially vertical direction, and its length in the longitudinal direction is formed shorter than the length between both end surfaces of the columnar structure, and
- the means has a length in the longitudinal direction that is equal to or greater than the length between both end faces of the columnar structure, and is substantially held in a state of maintaining a predetermined distance from the outer peripheral surface or in contact with the outer peripheral surface.
- the coating material is supplied and applied to the upper side of the outer peripheral surface of the columnar structure from the opening of the nozzle, and the supplied and applied coating material is provided to the outer peripheral surface from the opening of the nozzle.
- Outer peripheral surface of a columnar structure capable of forming a uniform application surface over the entire outer peripheral surface of the columnar structure by leveling the application surface between the longitudinal side end of the leveling means. Coating equipment.
- the tracing means is further driven to follow the pedestal and the outer periphery of the Z or the cam so that the leveling means is arranged at a predetermined position with respect to the outer periphery of the columnar structure.
- the copying means is integrated with the supply / application means and the leveling means.
- a first and second copying roller arranged at a predetermined distance from each other and moving back and forth following the outer circumference of the cam while contacting the outer circumference of the cam, and the first and second copying rollers [7]
- the third and fourth moving means is integrated with the supply / coating means and the leveling means and moves back and forth along the outer periphery of the pedestal while contacting the outer periphery of the pedestal.
- the third copying roller and the first copying roller have a common rotation axis
- the fourth copying roller and the second copying roller have a common rotation axis.
- the columnar structure is held by the holding means using the outer peripheral surface coating device for a columnar structure according to any one of [1] to [14], and While rotating the axis of direction as a common rotation axis, the supply Supplying and applying the coating material on the upper side of the outer peripheral surface of the columnar structure; supplying and applying the applied surface of the applied coating material to the outer peripheral surface and a longitudinal end of the leveling means; The method of coating the outer peripheral surface of the columnar structure to be equalized.
- FIG. 1 is a front view schematically showing one embodiment of an outer peripheral surface coating device for a columnar structure of the present invention.
- FIG. 2 is an enlarged perspective view schematically showing an equalizing means and a supply / application means used in an embodiment of the apparatus for coating the outer peripheral surface of a columnar structure of the present invention.
- FIG. 3 is a front view schematically showing an embodiment of an apparatus for coating an outer peripheral surface of a columnar structure of the present invention, in which a supply / coating means and the like are moved to the columnar structure side. .
- FIG. 4 is a cross-sectional view showing the positional relationship between the leveling means, the supply / coating means, and the copying means used in the embodiment of the outer peripheral surface coating device for the columnar structure of the present invention. .
- FIG. 5 is a cross-sectional view showing the mutual positional relationship among the leveling means, the supply / application means, and the copying means used in the embodiment of the apparatus for coating the outer peripheral surface of the columnar structure of the present invention.
- FIG. 6 is a perspective view schematically showing an embodiment of an apparatus for coating an outer peripheral surface of a columnar structure of the present invention.
- the supply / coating means includes a nozzle having an opening formed in a slit shape, and the opening is provided at an upper end thereof. It is arranged so that the position is substantially the same as the upper end of the columnar structure and in a substantially vertical direction, and its length in the longitudinal direction is shorter than the length between both end surfaces of the columnar structure.
- the coating material is supplied and applied from the nozzle opening to the upper side of the outer peripheral surface of the columnar structure, and the supplied and applied coating material is transferred between the outer peripheral surface and the longitudinal end of the leveling means.
- Coats removed by leveling plate to level The coating material flows down the nozzle (downward of the outer peripheral surface) and forms a uniform coating surface over the entire outer peripheral surface of the columnar structure without thick coating on the lower side of the outer peripheral surface. It becomes possible to do. This prevents cracks in the coating during drying after coating.
- the outer peripheral surface coating method of the columnar structure of the present invention uses the outer peripheral surface coating device of the present invention to apply a coating material to the outer periphery of the columnar structure and level the coating surface. Therefore, the occurrence of cracks in the coating portion during drying after coating is prevented.
- FIG. 1 is a front view schematically showing one embodiment of an outer peripheral surface coating device for a columnar structure of the present invention.
- the outer peripheral surface coating device 50 of the columnar structure has a holding means 4 composed of a pedestal 3 and a cam 2, which is disposed near a center of a frame 7 in a vertical direction. It is mounted so as to be able to rotate about the axis as a rotation axis, and the leveling means 10 and the supply 'applying means 12' form a body, a base 15 for back and forth operation, an arm rotating section 16 and arms 17 and 1 It is mounted on the upper part 7a of the frame via 8.
- the pedestal 3 constituting the holding means 4 is disk-shaped, and is vertically movably mounted on the lower frame portion 7b so that the center axis thereof is oriented vertically.
- a pedestal motor 16 is mounted on the pedestal 3 via a shaft 6a, so that the pedestal 3 rotates about the center axis of the pedestal 3 as a rotation center.
- the cam 2 constituting the holding means 4 has a thick disk shape (a low-height cylindrical shape) and can be moved up and down on the frame upper part 7a so that the center axis thereof substantially coincides with the center axis of the pedestal 3. It is attached to.
- a cam motor 5 is mounted on the cam 2 via a shaft 5a, and the cam 2 rotates around the center axis of the cam 2.
- the rotation of the pedestal 3 and the rotation of the cam 2 are synchronized.
- the columnar structure 1 is held by the holding means 4 configured as described above, the columnar structure 1 is set so that the central axis substantially coincides with the central axis of the pedestal 3 (with one end face lb facing downward). ), Put on the pedestal 3, and mount the cam 2 on the other side of the columnar structure 1 ( The columnar structure 1 is clamped (held) by the pedestal 3 and the cam 2.
- the columnar structure 1 held in this manner rotates with the central axis as a common rotation axis (common with the central axes of the cam 2 and the pedestal 3) as the pedestal 3 and the cam 2 rotate in synchronization. can do.
- the cam 2 and the pedestal 3 are formed such that their outer peripheral shapes are substantially the same as the outer peripheral shape of the columnar structure 1.
- the columnar structure 1 When the columnar structure 1 is mounted on the pedestal 3, the columnar structure 1 is mounted on the transfer pallet 30 shown in FIGS. 1 and 6, and the transfer pallet 30 on which the columnar structure 1 is mounted is mounted on the pedestal 3. Move to the headspace. At this time, the transfer pallet 30 is rotated by the swing motor 33 via the support shaft 31 and the swing arm 32. Then, as shown in FIG. 6, the liftable push-up plate 42 provided at the center of the pedestal 3 rises, the columnar structure 1 is placed thereon, and the transfer pallet 30 is moved to the original position. After moving, the push-up plate 42 descends and fits into the pedestal 3 (the upper surface of the pedestal 3 and the upper surface of the push-up plate 42 are arranged on the same plane).
- the columnar structure 1 is arranged on the pedestal 3.
- the columnar structure 1 is arranged by the centering plates 21 and 21 shown in FIGS. 1 and 6 so that the center axis of the columnar structure 1 substantially coincides with the center axes of the cam 2 and the pedestal 3.
- the two centering plates 21 and 21 are respectively arranged on two rails 20 and 20 arranged substantially on the same straight line.
- the two centering plates 2 1, 21 move on the rails 20, 20 in the direction of the center axis of the cam 2 and the pedestal 3, and the two centering plates 2 1, 2 1 move the cam 2 from the respective centering plates 2 1, 2 1.
- the center axis of the columnar structure 1 is made to substantially coincide with the center axes of the cam 2 and the pedestal 3 by sandwiching the center axis between the two centering plates 21 and 21 facing each other.
- the portion of the centering plate 21 that is in contact with the outer peripheral surface 1a preferably has a shape that conforms to the shape of the outer peripheral surface 1a. For example, in the case of a columnar columnar structure, it follows an arc as shown in FIG. Shape is preferred.
- the columnar structure 1 placed on the pedestal 3 is moved upward along the pair of guide rails (not shown), so that the upper end surface thereof comes into contact with the cam 2 and the cam 2 and the pedestal 3 (The cam 2 is disposed on the upper end side of the columnar structure 1).
- the columnar structure 1 is held by the holding means 4.
- Opposite surfaces of the seat 3 and the cam 2 surfaces that come into contact with the end surfaces 1b and 1c of the columnar structure 1) are provided with rubber, sponge, or the like to prevent the columnar structure 1 from being damaged. It is preferable to attach a cushioning sheet.
- the supply / applying means 12 has a nozzle 12 b having a slit-shaped opening 12 c formed so that a longitudinal direction thereof is along a longitudinal direction of the supply pipe 12 a.
- the supply pipe 12a is formed with a slit-shaped hole along the longitudinal direction so as to communicate with the opening 12c (space) of the nozzle 12b. Is formed.
- the supply / applying means 12 is arranged such that the position of the upper end of the opening 12 c of the nozzle 12 b is substantially the same as the upper end 1 e of the columnar structure 1 (in the vertical direction). (Substantially the same height) and in a substantially vertical direction.
- the opening 12 c of the nozzle 12 b is formed such that its length in the longitudinal direction is shorter than the length between both end faces of the columnar structure 1.
- the longitudinal length of the opening 12 c of the nozzle 12 b is preferably 30 to 80% of the length between both end faces of the columnar structure 1. If it is less than 30%, the length in the longitudinal direction becomes short, so that it is difficult to form a coating surface with a uniform coating material over the entire outer peripheral surface 1a of the columnar structure 1. If it is larger than 80%, the length in the longitudinal direction becomes longer, so that the coating material accumulates on the lower side of the nozzle 12b and adheres to the outer peripheral surface 1a, thereby lowering the outer peripheral surface 1a.
- the side may be thicker.
- the opening 12 c of the nozzle 12 b faces the columnar structure 1 side, and the central axis of the supply pipe 12 a (the longitudinal direction of the nozzle 12 b) corresponds to the columnar structure 1. It is arranged to face the central axis.
- the pipe 13 is connected to the upper end of the supply pipe 12a, and the coating material supplied through the pipe 13 passes through the supply pipe 12a from the opening 12c of the nozzle 12b. It is supplied and applied to the outer peripheral surface 1 a of the columnar structure 1.
- the equalizing means 10 is arranged so that its longitudinal direction and the central axis direction of the columnar structure 1 are aligned.
- the leveling means 10 includes a leveling plate 10a, and the leveling plate 10a is a rectangular plate as shown in FIG.
- the distance between the leveling plate 10a and the outer peripheral surface 1a of the columnar structure 1 can be adjusted so as to form a desired outer peripheral surface coating, but is preferably 2.0 mm or less. 1 outer peripheral surface It may touch 1a. If it is larger than 2. O mm, the coating material exceeds the thickness capable of forming a uniform coating film, so that the coating film may not be leveled with the leveling plate 10a.
- the supply / coating means 12 and the leveling means 10 are the same as those of the supply / coating means 12 in that the direction of the nozzle 12 b of the supply / applying means 12 is equal to one longitudinal end of the leveling means 10. It is formed so as to be united so as to face the direction.
- the integrated supply / coating means 12 and the leveling means 10 are such that the opening 12 c of the nozzle 12 b faces the columnar structure 1 and extends along the outer peripheral surface 1 a. Are located.
- a substantially cylindrical copying roller 14 is provided as a copying means below the arm rotating section 16, and is provided through the arms 17, 18 and the arm rotating section 16.
- the supply and application means 12 and the leveling means 10 are integrally formed so as to move substantially horizontally.
- the horizontal movement is performed by attaching the arm rotating part 16 to the back-and-forth movement base 15 and sliding the back-and-forth movement base 15 substantially horizontally.
- the copying roller 14 is formed so as to freely rotate while being in contact with the cam 2 by the force of the rotation of the cam 2 about a vertical axis when it comes into contact with the cam 2.
- FIG. 3 shows that the profile roller 14 is in contact with the outer peripheral surface of the cam 2, and the leveling plate 10a of the leveling means 10 is arranged at a predetermined distance from the outer peripheral surface 1a of the columnar structure 1. Indicates the status.
- This state is different from the state shown in Fig. 1 in that the supply / coating means 12, the leveling means 10, the leveling roller 14, and the front and rear, which move together as a unit to perform coating of the outer peripheral surface 1 a
- the operation base 15 is moved to the columnar structure 1 side by sliding the front-back operation base 15.
- each of the rotation axes of the tracking rollers 14 maintains a state substantially parallel (vertical direction) to the center axis of the columnar structure 1.
- the leveling plate 10 a constituting the leveling means 10 extends between the both end surfaces lb and lc of the columnar structure 1 and a predetermined distance from the outer peripheral surface 1 a of the columnar structure 1.
- the nozzles 12b of the supply / applying means 12 are provided with the opening 12c facing the columnar structure 1 side, and the columnar structure 1 1 a They are arranged at regular intervals. Then, the coating material supplied via the pipe 13 (see Fig. 3) is supplied and applied from the nozzle 12 to the upper side of the outer peripheral surface 1a of the columnar structure 1 which rotates.
- the coating surface of the coating material is leveled between the leveling means 10 (leveling plate 10a) and the outer peripheral surface la (the leveling surface is leveled by the leveling plate 10a). Thereby, a uniform coating surface is formed over the entire outer peripheral surface 1 a of the columnar structure 1.
- the opening 12 of the nozzle 12 b of the supply / coating means 12 is arranged such that the position of the upper end is substantially the same as the position of the upper end 1 e of the columnar structure 1. Since the length in the longitudinal direction is shorter than the length between both end surfaces of the columnar structure 1, the coating material supplied to the upper side of the outer peripheral surface 1a flows downward along the leveling plate 10a. Since it does not flow, it is possible to form a uniform coating surface over the entire outer peripheral surface 1 a of the columnar structure 1. This prevents cracks in the coating during drying after coating.
- a profile port used as a profile means for moving the supply / coating means 12 and the leveling means 10 along the outer peripheral shape of the columnar structure 1 is shown in FIG.
- it is composed of a first copying roller 14a and a second copying roller 14b, and the two are located on substantially the same horizontal plane.
- the two trailing rollers 14 (the first trailing roller 14a and the second trailing roller 14b) have a columnar structure while being slightly pressed against the outer peripheral surface of the cam 2 by the force of a spring (not shown). When the body 1 rotates, it translates in a certain direction along its outer peripheral shape.
- the outer diameter of the columnar structure 1 is preferably smaller than the outer diameters of the cam 2 and the pedestal 3 by the thickness of the coating applied to the columnar structure 1. The thickness of the coating portion on the outer peripheral surface 1a of the columnar structure 1 can be adjusted by this difference in diameter.
- the distance between the respective center axes of the first profiled roller 14a and the second profiled roller 14b is a cross-sectional shape cut by a plane perpendicular to the central axis of the columnar structure 1.
- the shape is a circle
- the radius of the circle if the cross-sectional shape is a shape other than a circle, such as an elliptical curve with a smooth curve (may include a straight line)
- the portion with the smallest radius of curvature Preferably, its radius of curvature is 10 to 170%. If it is less than 10%, the movement of the rough roller 14 is not stable, so that the direction (angle) of the supply / applying means 12 and the leveling means 10 with respect to the outer peripheral surface la changes, and stable coating is hindered.
- the copying means 14 and the supply / applying means 12 and the leveling means 10 at the position projected on the horizontal plane are separated from each other. There may be a case where the unevenness of the portion in contact with the outer peripheral surface 1a and the portion in contact with the outer peripheral surface la of the leveling means 10 are different.
- first copying roller 14a and second copying roller 14b are integrated with first copying roller 14a and second copying roller 14b.
- the third copying roller 14c and the fourth copying roller 14d which move along with each other, may be arranged so as to follow the outer peripheral surface of the pedestal 3.
- the third profile roller 14c and the first profile roller 14a have the same rotation axis
- the fourth profile roller 14d and the second profile roller 14b have the same rotation axis. It is preferable for the operation stability to have a common rotation axis.
- the angle A formed by a straight line passing through the center of each of the profile rollers 14a and 14b and the tip end of the leveling means 10 shown in FIG. 5 is 20 to 60 degrees. If it is less than 20 degrees, the power to remove excess coating material will be small and it may be larger than the specified dimensions, and if it is more than 60 degrees, the outer peripheral surface of the columnar structure will be strongly pressed and unnecessarily Coating material may be removed.
- the angle A refers to a ⁇ direction x '' facing the rotation direction R side of the columnar structure 1 on a straight line passing through the center of each of the profile rollers 14 a and 14 b, and the leveling means 10.
- the material of the cam 2, the pedestal 3, and the leveling plate 10 used in the present embodiment is not particularly limited, but each outer surface is preferably stainless steel or wear-resistant ceramic. .
- the wear-resistant ceramic, S i 3 N 4, PZT , S i C or A 1 2 ⁇ 3 are preferred.
- the outer peripheral surface coating device 50 (see FIG. 1) of the columnar structure according to the present embodiment is a cross section of the columnar structure 1 for coating the outer peripheral surface cut along a plane perpendicular to the center axis direction. It can be preferably applied when the shape is circular or elliptical, and can be preferably applied to a columnar structure whose outer peripheral surface is formed by a smooth curved surface even if the cross-sectional shape is not circular or elliptical.
- the columnar structure outer peripheral surface coating apparatus 50 (see FIG. 1) of the present embodiment is preferably used when the columnar structure 1 is a honeycomb structure composed of a plurality of cells serving as fluid flow paths. Applicable. Preferred examples of the material of the honeycomb structure include ceramic materials.
- the coating material used when using the outer peripheral surface coating device for the columnar structure of the present embodiment is not particularly limited as long as it is suitable for coating the outer peripheral surface of the columnar structure.
- a paste-like coating material containing an inorganic fiber, an inorganic binder, inorganic particles, an organic binder and the like can be used.
- the inorganic fibers include ceramic fibers such as silica-alumina, mullite, alumina, and silica.
- the inorganic binder include silica sol and alumina sol.
- the inorganic particles include powdered silicon carbide, powdered silicon nitride, powdered boron nitride, and whiskers.
- the organic binder examples include polyvinyl alcohol, methyl cellulose, ethyl cellulose, carboxycellulose, and the like.
- the coating material contains water, acetone, alcohol, and other solvents in addition to inorganic fibers, inorganic binders, inorganic particles, and organic binders.
- the viscosity of the paste-like coating material is adjusted by these solvents, so that the paste-like coating material is in a state suitable for coating on the outer peripheral surface of the columnar structure.
- the viscosity of the coating material is preferably 15 to 5 OPas. If it is less than 15 Pas, the coating thickness may be too thin due to low viscosity, and if it is more than 50 Pas, it is thin and evenly coated on the outer surface because it is too viscous. May be difficult.
- a holding means 4 has a pedestal 3 and no cam 2.
- the columnar structure 1 is placed on the pedestal 3 with its central axis substantially coincident with the central axis of the pedestal 3, and the leveling plate 10 a of the leveling means 10 becomes the outer peripheral surface 1 a of the columnar structure 1.
- supply means 1 2 ⁇
- the coating surface of the applied coating material is leveled between the outer peripheral surface la and the leveling means 10 (leveling plate 10 a). It is done.
- the holding means 4 since the holding means 4 does not have the cam 2, the third copying roller 14c which follows the outer periphery of the pedestal 3 and the fourth copying roller 14 d.
- This embodiment is different from the first embodiment in that the holding means 4 has the pedestal 3 and does not have the cam 2, the third tracing roller 14c and the fourth tracing roller in which the tracing means 14 follows the outer periphery of the pedestal 3. It is the same as the above-described embodiment shown in FIG.
- Still another embodiment of the apparatus for coating the outer peripheral surface of a columnar structure comprises: a supply / applying means 12 and a leveling means 10 which are integrated with each other along an outer peripheral surface 1 a of the columnar structure 1. It rotates.
- the supply / coating means 12, the leveling means 10, and the copying means 14 form a body around the center axis of the columnar structure 1 as a rotation center, and along the outer peripheral surface 1 a of the columnar structure 1.
- the coating material is supplied from the supply / applying means 12 while being rotated, and is applied, and the applied surface is leveled by the leveling means 10.
- the supply / coating means 12, the leveling means 10, and the copying means 14 are formed around the center axis of the columnar structure 1 as the center of rotation, and the outer peripheral surface 1 a of the columnar structure 1 is formed. It is the same as the above-described embodiment shown in FIG.
- the method for coating the outer peripheral surface of the columnar structure of the present invention comprises: holding the columnar structure 1 by the holding means 4 by using the outer peripheral surface coating apparatus 50 (see FIG. 1) of the columnar structure of the present invention described above; BSupply and apply the coating material to the outer peripheral surface 1a of the columnar structure 1 from the supply and coating means 12 while rotating each vertical axis as a common rotation axis. Is characterized in that the coating surface is leveled between the outer peripheral surface 1a and the leveling means 10 (leveling plate 10a).
- the columnar structure 1 is placed on the transfer pallet 30 shown in FIGS.
- the transfer pallet 30 is moved to the space above the pedestal 3. Thereafter, the liftable push-up plate 42 (see FIG. 6) provided at the center of the pedestal 3 is raised. After placing the columnar structure 1 on it and moving the transfer pallet 30 to its original position, lower the push-up plate 42 and place it on the pedestal 3. (The upper surface of the pedestal 3 and the upper surface of Are arranged on the same plane), whereby the columnar structure 1 is arranged on the pedestal 3. Then, using the centering plates 21 and 21 shown in FIGS. 1 and 6, the columnar structure 1 is arranged such that the central axis thereof substantially coincides with the central axes of the cam 2 and the pedestal 3.
- the upper end surface 1 c of the columnar structure 1 placed on the pedestal 3 is brought into contact with the cam 2 and held between the cam 2 and the pedestal 3 (the cam 2 has a columnar structure). (It is arranged on the upper end side of the structure 1.) As a result, the columnar structure 1 is held by the holding means 4.
- a slurry-like coating material is supplied to a tank 41 shown in FIG.
- the supply / coating means 12, the leveling means 10, and the leveling means 14 are connected to the leveling plate 10 a of the leveling means 10 and the outer peripheral surface 1 of the columnar structure 1.
- the distance from a becomes a predetermined distance, and the copying means 14 is moved so as to contact the outer peripheral surface of the cam 2 (from the state of FIG. 1 to the state of FIG. 3).
- the upper end of the leveling plate 10a is above the upper end 1e of the columnar structure 1, and the lower end of the leveling plate 10a is the lower end 1d of the columnar structure 1. So that it is located below.
- the cam motor 5 and the pedestal motor 6 are started, and the cam 2, the pedestal 3, and the columnar structure 1 are rotated at a predetermined rotation speed.
- the coating material is sent to the supply pipe 12a through the pipe 13 by the coating material supply pump (not shown), and the outer peripheral surface of the columnar structure 1 is opened from the opening 12c of the nozzle 12b. Supply and apply to the upper side of 1a.
- the coating material applied to the upper side of the outer peripheral surface 1 a of the columnar structure 1 moves downward by gravity and is leveled by the leveling plate 10 a of the leveling means 10. Coating of a uniform application surface over the entire surface 1a is completed.
- the opening 12 c of the nozzle 12 b of the supply / applying means 12 was formed.
- the upper end of the columnar structure 1 is positioned so as to be substantially the same as the upper end 1 e of the columnar structure 1, and the length of the opening 12 c in the longitudinal direction is the length between both end surfaces of the columnar structure 1.
- the coating material supplied to the upper side of the outer peripheral surfaces 1 and a does not flow downward along the leveling plate 10a because it is shorter than the outer surface 1a. It is possible to form a uniform coating surface over the entire outer peripheral surface 1a of the columnar structure 1 without increasing the thickness of the one ting. This prevents the occurrence of cracks in the coating portion during drying after coating.
- the outer peripheral surface of the columnar structure was coated as shown below using a coating device for the outer peripheral surface of the columnar structure shown in FIG.
- the columnar structure used was a cylindrical honeycomb structure composed of a plurality of cells that serve as fluid flow paths, and used two types of honeycomb structures with a height in the center axis direction of 250 mm and 300 mm.
- the test was performed. Both types of honeycomb structures are made of cordierite, the outer peripheral surface is ground and the outer diameter after processing is 143 mm, the rib thickness is 0.175 mm, and the cell density is 400 cells Z ( inch) was 2.
- the diameter of the cross section perpendicular to the central axis of the cam 2 and the pedestal 3 is substantially the same as the diameter of the cross section perpendicular to the central axis of the honeycomb structure (the diameter of the circle).
- the slurry of the coating material used, the composition is coated cement (S i 0 2: 60. 0 , A 1 2 ⁇ 3: 39. 2, Na 2 O : 0. 4, Mg_ ⁇ : 0.3, other Inorganic substances: 0.1 mass, 75% by mass with antifreeze liquid, 25 mass% of cordierite powder (average particle size 2 m) and viscosity of 20 to 37 Pa ⁇ s were used.
- the columnar structure (honeycomb structure) 1 was placed on the transfer pallet 30 shown in FIG. 1, and the transfer pallet 30 was moved to the space above the pedestal 3. Thereafter, the ascending push-up plate 42 (see FIG. 6) provided at the center of the pedestal 3 is raised, and the columnar structure (82 cam structure) 1 is placed thereon. After moving to the original position, the push-up plate 42 was lowered to place the columnar structure (honeycomb structure) 1 on the pedestal 3. Then, the columnar structure (honeycomb structure) 1 was arranged by the centering plates 21 and 21 shown in FIG. 1 so that the central axis thereof substantially coincides with the central axes of the cam 2 and the pedestal 3.
- the columnar structure (82 cam structure) 1 placed on the pedestal 3 raises the pedestal 3 so that the upper end surface thereof comes into contact with the cam 2, and is held between the cam 2 and the pedestal 3. did. As a result, the columnar structure (honeycomb structure) 1 is held by the holding means 4.
- the slurry-like coating material was supplied to a tank 41 shown in FIG. Then, as shown in FIG. 3, the supplying means 12, the leveling means 10, and the leveling means 14 are combined with the leveling plate 10 a of the leveling means 10 to form a columnar structure (honeycomb structure).
- the copying means 14 was moved along the outer peripheral surface 1a of 1 so as to contact the outer peripheral surface of the cam 2 (from the state of FIG. 1 to the state of FIG. 3). At this time, the distance between the end of the leveling plate 10a on the side of the columnar structure (honey force structure) 1 and the outer peripheral surface of the columnar structure (82 cam structure) 1 is 0.5 mm. I did it.
- the coating material is sent to the supply pipe 12a through the pipe 13 by the coating material supply pump (not shown), and the columnar structure (honeycomb structure) is passed through the opening 12c of the nozzle 12b.
- the coating material applied to the outer peripheral surface 1 a of the columnar structure 1 (honeycomb structure) is leveled by the leveling plate 10 a of the leveling means 10 to obtain a columnar structure (a two-cam structure).
- Coating of outer surface 1a was completed. At this time, the number of rotations (rotation) of the cam 2 and the pedestal 3 was 3 revolutions at 10 rpm at the time of supply and coating, and thereafter, one revolution (rotation) was performed at 10 rpm to level the coating surface.
- the material of the leveling plate 10a is stainless steel
- the end had an elastic body (rubber).
- the height in the central axis direction (product length) of the honeycomb structure is 250 mm
- the longitudinal length (nozzle length) of the nozzle is 120 mm.
- 170, 220 mm Examples 1 to 3
- the longitudinal length of the nozzle was set to 120
- 170, 220, 270, 320 Examples 4 to 7, Comparative Example 1
- coating the outer peripheral surface of the columnar structure (82 cam structure) 1 Then, the occurrence of application unevenness or dry cracks was evaluated.
- the coating unevenness and dry cracks are visually judged, and the evaluation results for “no coating unevenness or dry cracks” are ⁇ , and the evaluation results for “the ratio of coating unevenness or dry cracks are 0 to 50%” are ⁇ and,
- the evaluation result in the case of “painting ratio or dry crack ratio of more than 50%” was designated as X.
- the uneven coating refers to a portion where the coating thickness of the coating material is thickened visually
- the dry crack refers to a portion where a crack occurs during drying.
- the “ratio of uneven coating or dry crack” means the ratio of the area of the uneven coating or dry crack to the area of the entire outer peripheral surface of the 82 cam structure. Table 1 shows the product length, the nozzle length, the ratio of the nozzle length to the product length (nozzle length Z product length), and the evaluation results.
- Nose length Length of nosle in the longitudinal direction (unit: mm)
- Nosle length / product length Ratio of nosle length to product length (nosle length / product length * 100) As shown in Table 1, the length in the longitudinal direction of the nozzle relative to the distance between both end surfaces of the columnar structure It can be seen that those with a small ratio of roughness have little occurrence of uneven coating or dry cracks.
- the supply / application means has a nozzle having an opening formed in a slit shape, and the opening Are arranged so that the position of the upper end thereof is substantially the same as the upper end of the columnar structure and in a substantially vertical direction, and the length in the longitudinal direction is between the both end surfaces of the columnar structure.
- the coating material is supplied and applied from the nozzle opening to the upper side of the outer peripheral surface of the columnar structure, and the supplied and applied coating material is leveled with the outer peripheral surface.
- the removed coating material flows down the nozzle (toward the lower side of the outer peripheral surface) and accumulates at the lower side of the nozzle, and adheres to the outer peripheral surface, so that the lower side of the outer peripheral surface is thickly coated.
- This makes it possible to form a uniform coating surface over the entire outer peripheral surface of the columnar structure. This prevents cracks in the coating during drying after coating, and forms a defect-free outer peripheral surface coating.
- the outer peripheral surface coating method of the columnar structure of the present invention uses the outer peripheral surface coating apparatus of the present invention to apply a coating material to the outer periphery of the columnar structure, and to level the application surface. Cracking of the coating portion is prevented during drying after coating, and a defect-free outer peripheral surface coating is formed.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03754211A EP1555070B1 (en) | 2002-10-22 | 2003-10-21 | Device and method for coating outer periphery of pillar structure body |
AU2003273067A AU2003273067A1 (en) | 2002-10-22 | 2003-10-21 | Device and method for coating outer periphery of pillar structure body |
US10/531,575 US7501160B2 (en) | 2002-10-22 | 2003-10-21 | Apparatus for coating outer peripheral surface of pillar structure and method for coating outer peripheral surface of pillar structure |
DE60330487T DE60330487D1 (de) | 2002-10-22 | 2003-10-21 | Vorrichtung und verfahren zum beschichten des auss |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002306709A JP2004141709A (ja) | 2002-10-22 | 2002-10-22 | 柱状構造体の外周面コーティング装置及び柱状構造体の外周面コーティング方法 |
JP2002-306709 | 2002-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004037440A1 true WO2004037440A1 (ja) | 2004-05-06 |
Family
ID=32170908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/013430 WO2004037440A1 (ja) | 2002-10-22 | 2003-10-21 | 柱状構造体の外周面コーティング装置及び柱状構造体の外周面コーティング方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7501160B2 (ja) |
EP (1) | EP1555070B1 (ja) |
JP (1) | JP2004141709A (ja) |
KR (1) | KR100676441B1 (ja) |
AU (1) | AU2003273067A1 (ja) |
DE (1) | DE60330487D1 (ja) |
PL (1) | PL206669B1 (ja) |
WO (1) | WO2004037440A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102131622A (zh) * | 2008-08-29 | 2011-07-20 | 康宁股份有限公司 | 在蜂窝体上涂覆层的方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5108215B2 (ja) | 2005-08-19 | 2012-12-26 | 日本碍子株式会社 | 柱状構造体の位置決め方法及び装置 |
US20090217524A1 (en) * | 2008-02-28 | 2009-09-03 | Jeffrey John Domey | Method and apparatus for manufacturing a honeycomb article |
US8574684B2 (en) * | 2008-02-29 | 2013-11-05 | Corning Incorporated | Method and apparatus for aligning a support with respect to a honeycomb body |
US8142859B2 (en) * | 2008-05-30 | 2012-03-27 | Corning Incorporated | Method of applying a cement mixture to a honeycomb body |
US20100304041A1 (en) * | 2009-05-29 | 2010-12-02 | Tonia Havewala Fletcher | Method For Coating Honeycomb Bodies |
US20110126973A1 (en) * | 2009-11-30 | 2011-06-02 | Andrewlavage Jr Edward Francis | Apparatus And Method For Manufacturing A Honeycomb Article |
CN103157578B (zh) * | 2011-12-12 | 2016-04-20 | 赛恩倍吉科技顾问(深圳)有限公司 | 涂抹装置 |
JP2014054792A (ja) * | 2012-09-13 | 2014-03-27 | Ngk Insulators Ltd | ハニカム構造体の製造方法 |
JP5620447B2 (ja) * | 2012-09-25 | 2014-11-05 | 日本碍子株式会社 | ハニカム構造体の外周塗工方法 |
KR102408074B1 (ko) * | 2022-01-26 | 2022-06-15 | 주식회사 에코필텍 | 필터외체와 덮게를 위한 접착제 도포 시스템 |
CN114618754B (zh) * | 2022-05-16 | 2022-07-26 | 四川上特科技有限公司 | 一种晶圆片玻璃浆填充装置 |
CN115007422B (zh) * | 2022-06-28 | 2023-09-29 | 深圳湘广医疗器材有限公司 | 一种聚碳酸酯板材加工工艺 |
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JPS58210873A (ja) * | 1982-06-02 | 1983-12-08 | Toppan Printing Co Ltd | 糊付ロ−ラ用ドクタ−機構 |
JPH08323727A (ja) * | 1995-03-30 | 1996-12-10 | Ngk Insulators Ltd | 柱状体の外周コーティング装置 |
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US1281407A (en) * | 1917-03-08 | 1918-10-15 | Charles Henson Marquess | Apparatus for making concrete articles. |
US3691992A (en) * | 1968-12-26 | 1972-09-19 | Ameron Inc | Apparatus for truing mortar coating |
US4397893A (en) * | 1981-09-08 | 1983-08-09 | Bottoms Clifford C | System for flame spray coating of a rod |
GB2182268B (en) * | 1985-11-02 | 1989-10-04 | Metal Box Plc | The coating of articles |
US5435847A (en) * | 1989-09-01 | 1995-07-25 | Fuji Photo Film Co., Ltd. | Coating apparatus |
JP2883418B2 (ja) | 1990-06-30 | 1999-04-19 | マツダ株式会社 | 流体継手の締結力制御装置 |
US5749970A (en) * | 1995-03-30 | 1998-05-12 | Ngk Insulators, Ltd. | Apparatus for coating outer peripheral surface of columnar structural body with a coating material |
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2002
- 2002-10-22 JP JP2002306709A patent/JP2004141709A/ja active Pending
-
2003
- 2003-10-21 AU AU2003273067A patent/AU2003273067A1/en not_active Abandoned
- 2003-10-21 PL PL374736A patent/PL206669B1/pl unknown
- 2003-10-21 DE DE60330487T patent/DE60330487D1/de not_active Expired - Lifetime
- 2003-10-21 WO PCT/JP2003/013430 patent/WO2004037440A1/ja active Application Filing
- 2003-10-21 US US10/531,575 patent/US7501160B2/en not_active Expired - Lifetime
- 2003-10-21 KR KR1020057006981A patent/KR100676441B1/ko active IP Right Grant
- 2003-10-21 EP EP03754211A patent/EP1555070B1/en not_active Expired - Lifetime
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JPS58210873A (ja) * | 1982-06-02 | 1983-12-08 | Toppan Printing Co Ltd | 糊付ロ−ラ用ドクタ−機構 |
JPH08323727A (ja) * | 1995-03-30 | 1996-12-10 | Ngk Insulators Ltd | 柱状体の外周コーティング装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102131622A (zh) * | 2008-08-29 | 2011-07-20 | 康宁股份有限公司 | 在蜂窝体上涂覆层的方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2004141709A (ja) | 2004-05-20 |
US20060102070A1 (en) | 2006-05-18 |
KR100676441B1 (ko) | 2007-02-02 |
KR20050056261A (ko) | 2005-06-14 |
US7501160B2 (en) | 2009-03-10 |
EP1555070A4 (en) | 2007-12-12 |
EP1555070B1 (en) | 2009-12-09 |
AU2003273067A1 (en) | 2004-05-13 |
DE60330487D1 (de) | 2010-01-21 |
EP1555070A1 (en) | 2005-07-20 |
PL206669B1 (pl) | 2010-09-30 |
PL374736A1 (en) | 2005-10-31 |
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