WO2023047527A1 - Disque de cuve de revêtement et cuve de revêtement - Google Patents

Disque de cuve de revêtement et cuve de revêtement Download PDF

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Publication number
WO2023047527A1
WO2023047527A1 PCT/JP2021/035069 JP2021035069W WO2023047527A1 WO 2023047527 A1 WO2023047527 A1 WO 2023047527A1 JP 2021035069 W JP2021035069 W JP 2021035069W WO 2023047527 A1 WO2023047527 A1 WO 2023047527A1
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WO
WIPO (PCT)
Prior art keywords
disk
coating tank
main body
outer peripheral
peripheral edge
Prior art date
Application number
PCT/JP2021/035069
Other languages
English (en)
Japanese (ja)
Inventor
五郎 大脇
Original Assignee
株式会社チップトン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社チップトン filed Critical 株式会社チップトン
Priority to PCT/JP2021/035069 priority Critical patent/WO2023047527A1/fr
Publication of WO2023047527A1 publication Critical patent/WO2023047527A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums

Definitions

  • the present invention relates to a disk for a coating tank and a coating tank.
  • Patent Document 1 discloses a coating apparatus that forms a coating layer on the surface of a core object to be coated, such as confectionery.
  • This coating apparatus has a coating tank in which each of the drum and the disk can be individually rotated. With this device, optimum coating can be achieved by individually adjusting and setting the rotation speed and rotation direction of the drum and disk.
  • the gap between the outer peripheral edge of the disc and the inner peripheral surface of the drum be as small as possible.
  • the disk has a thin plate shape from the viewpoint of making the disk lighter and easier to handle.
  • chattering or the like tends to occur when the outer peripheral edge of the disk is cut with a lathe, making it difficult to machine the outer peripheral edge with high accuracy.
  • deformation such as distortion and warpage occurs due to residual stress after processing and stress caused by external force during chucking and processing.
  • the outer peripheral edge of the disk cannot be formed with high precision, and it becomes difficult to stably reduce the gap between the disk and the inner peripheral surface of the drum.
  • a reinforcing shape-retaining portion having an increased thickness is formed integrally with the peripheral portion of the disk. Since the shape retaining portion is thick, the outer peripheral edge can be machined with high precision.
  • machining it is necessary to ensure rigidity over the entire machining area, so the thickness must be sufficient to withstand the machining, and it is difficult to reduce the weight sufficiently. .
  • the disk for the coating tank of the present disclosure was perfected based on the above circumstances, and aims to provide a disk for the coating tank and the coating tank that are lightweight and excellent in workability.
  • the disk for the coating tank of the first invention is A rotatable dish-shaped disk for a coating tank, which is arranged so as to cover the lower surface of a cylindrical drum, is arranged coaxially with the drum, and is rotatable, a disk-shaped disk main body; an annular reinforcement portion made of a member separate from the disk body portion and having a thickness dimension larger than that of the disk body portion; with The reinforcing portion is fixed to the outer peripheral edge of the disk body portion.
  • the coating tank of the second invention is a cylindrical rotatable drum; A disk for the coating tank of the first invention; Prepare.
  • the reinforcing portion is formed as a separate member from the disk main body, so the thickness of the reinforcing portion on the outer peripheral edge is left and the wide area other than the reinforcing portion is cut to make a thin plate. you don't have to. Therefore, the disk for the coating tank of the present invention is excellent in workability, and is resistant to deformation such as distortion and warpage due to residual stress after processing, stress applied when chucking on a processing machine such as a lathe and processing. It is possible to reduce the occurrence of deformation, and it is also excellent in shape stability.
  • the coating tank of the second invention comprising the disk for the coating tank of the first invention allows the drum to rotate together with the disk, so that the object to be coated can be coated more satisfactorily.
  • Fig. 2 is a side view showing a state in which the coating tank of Embodiment 1 is in an upright posture; It is a front view which shows the state which made the coating tank the standing posture. It is a side view which shows the state which made the coating tank the inclination posture. It is a partial sectional view of a coating tank. It is a principal part expanded sectional view of a coating tank. 1 is a plan view of a disc; FIG. Corresponding to the AA cross-sectional view in FIG. 6, a reinforcing portion is shown in which a rectilinear square bar with a square cross section is rolled into an annular shape, and both end faces are butted and welded. Corresponding to the AA cross-sectional view in FIG.
  • FIG. 6 shows a state in which the upper surface of the reinforcing portion is cut so as to slope downward inward and the inner peripheral surface is cut to form a protrusion.
  • FIG. 7 is a cross-sectional view taken along the line AA in FIG. 6;
  • FIG. A disk for a coating bath of the present invention is provided in a coating apparatus 100 .
  • a coating layer made of a coating agent such as chocolate, syrup, sugar, or the like is applied to the surface of a core object to be coated (hereinafter also referred to as a center) such as chocolate confectionery, chewing gum, bean confectionery, tablets, or the like. can be formed.
  • the coating tank 25 is moved to the upright position shown in FIG.
  • the posture can be changed between the tilted posture shown (the posture in which the rotation axis C of the coating tank 25 is slanted with respect to the vertical direction).
  • the coating tank 25 has a stainless underplate 26, a stainless drum 28A, and a stainless disk 38A.
  • the coating apparatus 100 may be used in both a standing posture and a tilted posture, or may perform coating processing only in either the standing posture or the tilted posture. It can correspond to any usage pattern.
  • the vertical direction is defined as the direction shown in FIG.
  • the tilting mechanism 11 includes a pair of horizontal tilting shafts 12 provided on the base 10 with a space therebetween in the horizontal direction, and a handle 13 for rotating the tilting shafts 12 by a predetermined angle. configured as follows. A rotational force applied to the handle 13 is transmitted to the tilting shaft 12 via a worm wheel (not shown) and a worm gear (not shown). A pair of tilting frames 14 supporting the coating tank 25 are attached to both ends of the tilting shaft 12 so as to be integrally tiltable. A base plate 24 is fixed to the pair of tilting frames 14 .
  • a first motor 15 and a second motor 17 are attached to the base plate 24 so that they can tilt together with the base plate 24 .
  • the first motor 15 has a first drive shaft 16 that protrudes upward coaxially with the rotation axis C of the coating tank 25 .
  • the first drive shaft 16 is a power transmission shaft that rotates in both forward and reverse directions.
  • a substantially cylindrical rotating member 19 is provided on the first drive shaft 16 so as to be integrally rotatable together with the first drive shaft 16 .
  • the rotating member 19 is arranged above the base plate 24 via a bearing B2.
  • the second motor 17 has a second drive shaft 18 parallel to the first drive shaft 16 and protruding upward.
  • the second motor 17 is arranged in an eccentric positional relationship with respect to the first motor 15 .
  • the second motor 17 and the first motor 15 are controlled to operate independently. Therefore, the second drive shaft 18 rotates in both forward and reverse directions independently of the first drive shaft 16 .
  • a drive gear 23 is attached to the second drive shaft 18 so as to rotate integrally therewith.
  • the first drive shaft 16 and the second drive shaft 18 pass through the base plate 24 and protrude upward.
  • the underplate 26 has a circular dish shape with an upper surface recessed downward.
  • the underplate 26 is coaxial with the first drive shaft 16 and is rotatable relative to the first drive shaft 16 (in other words, independently of the first drive shaft 16) through the bearing B1. supported on base plate 24 (for rotation).
  • An annular member 26 ⁇ /b>A concentric with the underplate 26 is provided at the center of the underplate 26 .
  • An inner opening of the annular member 26A constitutes a circular through hole 26B that is concentric with the underplate 26.
  • An annular protrusion 26C that protrudes upward over the entire circumference is provided on the inner peripheral edge of the through hole 26B on the upper surface of the annular member 26A (see FIG. 5).
  • An annular first seal member 70 and an annular second seal member 71 are fitted into the through hole 26B of the annular member 26A.
  • the second sealing member 71 is provided above the first sealing member 70 .
  • the first sealing member 70 and the second sealing member 71 are vertically adjacent to each other.
  • the upper end of the second seal member 71 is arranged at substantially the same height as the upper end of the protrusion 26C.
  • a known oil seal for example, is used for the first seal member 70 and the second seal member 71 .
  • the rotating member 19 of the first drive shaft 16 is inserted through the first sealing member 70 and the second sealing member 71 .
  • the rotating member 19 is inserted through the through hole 26 ⁇ /b>B that penetrates the underplate 26 .
  • a lip 70E of the first seal member 70 and a lip 71E of the second seal member 71 are in contact with the outer peripheral surface of the rotating member 19 .
  • the first sealing member 70 and the second sealing member 71 are provided so as to liquid-tightly fill the space between the outer peripheral surface of the rotating member 19 and the inner peripheral surface of the through hole 26B.
  • the bearings B1 and B2 arranged below the first seal member 70 are configured so that a lubricant such as grease (that is, a fluid) can be injected.
  • the first seal member 70 has a function of restricting upward movement of lubricant such as grease protruding from the bearings B1 and B2 in the through hole 26B.
  • An internal gear 27 coaxial with the underplate 26 is attached to the outer peripheral edge of the lower surface of the underplate 26 so as to be rotatable integrally (see FIG. 4).
  • the internal gear 27 meshes with the drive gear 23 of the second drive shaft 18 .
  • the rotational force generated by the second motor 17 is transmitted to the underplate 26, and the underplate 26 is rotationally driven in one direction and the other direction around the rotation axis C. It has become so.
  • the drum 28A has a generally cylindrical shape with both upper and lower surfaces open.
  • the drum 28A has a throttle portion 29, a body portion 30, and a tapered portion 31.
  • the drum 28A is fixed to the underplate 26 and is rotatable together with the underplate 26 .
  • the narrowed portion 29 has a shape whose diameter is reduced upward, and is configured by arranging 12 trapezoidal forming surfaces 29A in the circumferential direction.
  • the main body part 30 continues to the lower edge of the constricted part 29, and has a substantially constant diameter from the upper end to the lower end.
  • the inner peripheral surface of the body portion 30 is configured by arranging 12 planar rectangular configuration surfaces 30A in the circumferential direction.
  • the upper edge of the body portion 30 and the lower edge of the narrowed portion 29 are connected by a magnet (not shown). The narrowed portion 29 can be easily removed from the body portion 30 by lifting it.
  • the tapered portion 31 continues to the lower edge of the main body portion 30 and has a shape whose diameter gradually decreases downward.
  • the tapered portion 31 is configured by alternately arranging 12 upward triangular constituent surfaces 31A and 12 downward triangular constituent surfaces 31B in the circumferential direction.
  • the tapered portion 31 has a shape whose diameter gradually decreases downward.
  • the drum 28A is attached to a flange 35 provided at the upper end of the underplate 26 via an annular gasket 34 made of synthetic resin such as PTFE (polytetrafluoroethylene). It is attached detachably so that it can coaxially rotate integrally.
  • the underplate 26 closes the opening on the lower surface of the tapered portion 31 of the drum 28A.
  • the disk 38A includes a disk-shaped disk body portion 73 and an annular reinforcing portion 53.
  • the disk main body 73 is constructed by coaxially assembling a disk-shaped mounting member 39 and an annular functional member 48 .
  • the reinforcing portion 53 is made of a member separate from the disc body portion 73 .
  • a concave portion 40 that is recessed upward is formed on the lower side of the central portion of the mounting member 39 .
  • a center through hole 41 , an eccentric through hole 42 , and a relief hole 43 are formed in the mounting member 39 .
  • the central through-hole 41 penetrates the mounting member 39 in the vertical direction at the center position of the mounting member 39 .
  • the eccentric through-hole 42 penetrates the mounting member 39 in the vertical direction at a position that is eccentric from the center of the mounting member 39 and corresponds to the eccentric female screw hole 21 of the rotating member 19 .
  • the relief hole 43 vertically penetrates the mounting member 39 at a position corresponding to the pin 22 eccentrically from the center of the mounting member 39 .
  • a pair of handles 44 are provided on the upper surface of the mounting member 39 .
  • On the lower side of the outer peripheral edge portion of the mounting member 39 an outer peripheral edge recessed portion 45 is formed which is recessed upward over the entire circumference.
  • the mounting member 39 is mounted on the rotating member 19 with the concave portion 40 fitted to the upper end portion of the rotating member 19, so that the mounting member 39 is coaxial with the rotating member 19 and is restricted in relative displacement in the radial direction. Assembled in condition. Then, by tightening the bolt 47 with a handle passed through the eccentric through-hole 42 into the eccentric female screw hole 21, the mounting member 39 is restricted from upward relative displacement with respect to the rotary member 19, and is integrated with the rotary member 19. fixed to rotate.
  • the pin 22 of the rotating member 19 is fitted into the escape hole 43 to position the mounting member 39 with respect to the rotating member 19 in the circumferential direction.
  • the functional member 48 is composed of an outer surface portion 49 and an inner surface portion 54 that covers the upper surface side of the outer surface portion 49 .
  • the outer surface portion 49 includes a horizontal circular annular portion 50 and a tapered inclined portion 51 extending obliquely upward from the outer peripheral edge of the annular portion 50 .
  • the inner peripheral edge of the inner surface portion 54 is connected to the upper surface of the annular portion 50 without gaps, and has a tapered shape extending obliquely outward and upward at an angle of inclination smaller than that of the inclined portion 51 .
  • the outer peripheral edge (uppermost edge) of the inner surface portion 54 continues to the inner surface (upper surface) of the outer surface portion 49 without any gap.
  • the inner surface (upper surface) of the inner surface portion 54 has a mortar shape as a whole.
  • the inner surface portion 54 includes six substantially planar fan-shaped discontinuous surfaces 55 having petal shapes and six substantially planar triangular discontinuous surfaces 55 having an isosceles triangle shape. 56.
  • the six sector-shaped discontinuous surfaces 55 and the six triangular discontinuous surfaces 56 are arranged at equal angular pitches in the circumferential direction, and the sector-shaped discontinuous surfaces 55 and the triangular discontinuous surfaces 56 are alternately adjacent to each other in the circumferential direction. Lined up.
  • the boundary line between the circumferentially adjacent sectoral discontinuous surface 55 and the triangular discontinuous surface 56 extends in a direction intersecting the circumferential direction, and the sectoral discontinuous surface 55 and the triangular discontinuous surface 56 are not flush but form an obtuse angle. connected in a form (that is, discontinuously).
  • the center placed on the upper surface of the inner surface portion 54 is likely to be caught on the obtuse boundary between the adjacent sector-shaped discontinuous surface 55 and triangular discontinuous surface 56, and slides on the inner surface portion 54 in the circumferential direction. it's getting harder.
  • the inner edge of the sectoral discontinuity 55 and the inner edge of the triangular discontinuity 56 are along the inner peripheral edge of the annular portion 50 .
  • the outermost vertex of the triangular discontinuous surface 56 is arranged so as to be sandwiched between the acute-angled ends of the adjacent fan-shaped discontinuous surfaces 55 .
  • the entire area of the outer peripheral edge of the fan-shaped discontinuous surface 55 is located inside the outer peripheral edge of the inclined portion 51 .
  • the functional member 48 fits the inner peripheral edge portion of the annular portion 50 into the outer peripheral recessed portion 45 of the mounting member 39 from below, and the lower surface of the outer peripheral recessed portion 45 is fitted via a plurality of spacers 37 .
  • the functional member 48 is attached to the mounting member 39 by tightening six bolts 46 (see FIG. 6) that pass through the outer peripheral edge of the mounting member 39 in the plate thickness direction into the annular portion 50.
  • the functional member 48 is attached to the mounting member 39 in a state in which relative rotation in the horizontal direction (radial direction and circumferential direction) is restricted.
  • the reinforcing portion 53 has an annular shape along the outer peripheral edge (uppermost edge) of the functional member 48 of the disc body portion 73 .
  • an outer edge inclined surface 53D inclined downward inward in the radial direction is formed on the upper surface of the reinforcing portion 53 on the inner peripheral edge side.
  • the inclination angle of the outer edge inclined surface 53 ⁇ /b>D with respect to the horizontal direction is set to the same angle as the inclination angle of the inclined portion 51 .
  • a protrusion 53 ⁇ /b>B that protrudes inward over the entire circumference is provided at the lower end portion of the inner peripheral surface of the reinforcing portion 53 .
  • the inner diameter of the protruding end of the protrusion 53B is smaller than the outer diameter of the disk body portion 73.
  • the upper surface of the protrusion 53B is inclined downward in the radial direction.
  • the inclination angle of the upper surface of the protrusion 53B is set to the same angle as the inclination angle of the inclined portion 51 .
  • the reinforcing portion 53 is fixed to the outer peripheral edge portion of the functional member 48 (disk body portion 73) by welding, for example. In this way, the reinforcing portion 53 and the disc body portion 73, which are prepared as separate members, are welded together to be integrated.
  • a linear square bar having a square cross section is rolled into an annular shape, and both end faces are butted and welded to form a ring Ri (see FIG. 7).
  • the ring Ri is the reinforcing portion 53 before processing.
  • the inner peripheral edge of the upper surface of the ring Ri and portions of the inner peripheral surface other than the lower end are cut.
  • a sloped portion serving as a base of the outer edge sloped surface 53D and the protrusion 53B are formed.
  • a lathe for example, is used to cut the ring Ri.
  • the ring Ri is fixed to the functional member 48 (disk main body 73). Specifically, the ring Ri is arranged so that the projection 53B of the ring Ri is in contact with the entire circumference of the outer peripheral edge of the disk main body 73 from below. At this time, a circumferential gap W1 is formed between the outer peripheral edge of the disk main body 73 and the inner peripheral surface of the ring Ri. Along with this, a circumferential gap W2 is formed between the lower surface of the outer peripheral edge of the disc body portion 73 and the inner peripheral surface of the protrusion 53B.
  • a welding portion 53A is provided so as to fill the gaps W1 and W2.
  • the inner surface portion 54 is also welded to the inclined portion 51 of the outer surface portion 49 to provide a welded portion 53C.
  • the outer peripheral edge of the disk main body 73 is fixed to the reinforcing portion 53 while being in contact with the upper surface of the protrusion 53B.
  • the upper surface of the ring Ri is further cut so as to match the inclination of the outer peripheral surface of the disk main body 73 to form an outer edge inclined surface 53D.
  • the outer peripheral surface 53E of the ring Ri is cut.
  • the ring Ri is processed to form the reinforcing portion 53 . Since the thickness (thickness dimension in the vertical direction) of the reinforcing portion 53 is thicker than the plate thickness of the inclined portion 51 of the disk body portion 73, chattering is less likely to occur when cutting the reinforcing portion 53, and the reinforcing portion can be stably cut.
  • the outer diameter of 53 can be processed to desired dimensions with high accuracy.
  • the reinforcing portion 53 is fixed to the outer peripheral edge of the disc body portion 73 .
  • the reinforcing portion 53 has a function of suppressing deformation of the outer peripheral edge of the outer surface portion 49 (that is, the disk 38A) and maintaining the outer peripheral edge of the outer surface portion 49 in a perfect circle.
  • the disk 38A completed through the above processes has a dish shape with high dimensional accuracy of the outer diameter.
  • the outer edge inclined surface 53D of the upper surface of the reinforcing portion 53 is smoothly connected to the upper surface of the outer peripheral edge portion of the functional member 48 of the disk body portion 73 via the welded portion 53A.
  • An outer edge inclined surface 53D of the upper surface of the reinforcing portion 53 spreads outward along the outer peripheral surface of the functional member 48 of the disk body portion 73 so as to be larger than the outer peripheral edge of the functional member 48 in the radial direction. .
  • the disk 38A configured in this manner is arranged above the underplate 26 so as to cover the lower surface of the drum 28A.
  • the disk 38A is integrally rotatably coupled to the first drive shaft 16 via a rotating member 19.
  • the disk 38A is arranged coaxially with the drum 28A and is rotatable relative to the drum 28A. That is, the first drive shaft 16 transmits the rotational force of the first motor 15 to the disk 38A.
  • the reinforcing portion 53 (outer peripheral edge) of the disc 38A is arranged along the inner peripheral surface of the lower end portion of the tapered portion 31 of the drum 28A.
  • a gap G is provided between the outer peripheral surface of the reinforcing portion 53 of the disk 38A and the inner peripheral surface of the lower end portion of the tapered portion 31 of the drum 28A. The gap G is substantially constant over the entire circumference of the disk 38A.
  • the center appears on the surface layer, slides down in the spiral direction due to gravity, returns to the center of the disk 38A, and is again driven to rotate by the disk 38A.
  • the center in the coating bath 25 repeats such a vortex-like circulating flow.
  • a coating layer is formed on the surface of each center by spraying the coating agent onto the groups of centers being stirred by this vortex-like circulating flow. Since the gap G is substantially constant over the entire circumference of the disc 38A, no matter how the drum 28A and the disc 38A rotate, the inner peripheral surface of the lower end portion of the tapered portion 31 of the drum 28A is the outer peripheral surface of the disc 38A ( The outer peripheral surface of the reinforcing portion 53) does not come into contact (see FIG. 4).
  • the reinforcing portion 53 of the disk 38A is thicker than the disk body portion 73, the outermost peripheral surface of the disk 38A can be processed with high accuracy. Therefore, since the gap G can be made narrower, it is possible to prevent particles of the center and powder such as the coating agent from entering the space R between the disc 38A and the underplate 26 through the gap G. .
  • the disk 38A is rotated at high speed in order to apply centrifugal force to the center. Therefore, the flow rate of the center group is high and the stirring effect is high, so there is an advantage that the coating treatment can be completed in a short time.
  • the rotation speed of the drum 28A at this time ranges from 0 rpm (that is, the rotation is stopped) to about 60 rpm.
  • the rotational speed of disk 38A is 50 to 300 rpm.
  • the direction of rotation of the drum 28A and the direction of rotation of the disk 38A may be the same or opposite to each other.
  • the rotation axis C of the coating bath 25 is not limited to being parallel to the vertical direction, and may be inclined by about 15° with respect to the vertical direction. A good coating process can be performed even with such a slight tilt.
  • the rotation axis C of the coating tank 25 is tilted by operating the handle 13 of the tilting mechanism 11 (see FIG. 2).
  • the drum 28A and disk 38A are started to rotate at a relatively low speed in the same direction.
  • the center put into the coating bath 25 is caught by the friction with the inner circumference of the coating bath 25 (the inner wall surface of the drum 28A and the upper surface of the disk 38A) and the fan-shaped discontinuous surface 55 and the triangular discontinuous surface 56. It is lifted forward in the direction of rotation. Then, the center slides down due to its own weight and is lifted again by the friction with the inner wall surface of the drum 28A and the catching action of the fan-shaped discontinuous surface 55 and the triangular discontinuous surface 56.
  • the center in the coating tank 25 repeats such circulation flow.
  • a coating layer is formed on the surface of each center by spraying the coating agent on the center group agitated by this circulating flow.
  • the inclination angle of the coating tank 25 with respect to the vertical direction is preferably 45° to 70°.
  • the coating tank 25 is tilted and the drum 28A and the disk 38A are rotated in the same direction
  • the center group is moved to the inner periphery of the coating tank 25 by strong centrifugal force.
  • the coating tank 25 is rotationally driven at a relatively low speed because it becomes stuck and does not circulate.
  • the rotation speed of the drum 28A is changed from 5 rpm to 30 rpm, unlike that in the standing posture, and the rotation speed of the disk 38A is sufficiently slow, from 5 rpm to 50 rpm, compared to that in the standing posture.
  • the disk 38A for the coating bath is disposed so as to close the lower surface of the cylindrical drum 28A and is rotatable in the shape of a dish.
  • the disk 38A includes a disk-shaped disk main body 73 and an annular reinforcing part 53 which is made of a member separate from the disk main body 73 and has a thickness larger than that of the disk main body 73. ing.
  • the reinforcing portion 53 is fixed to the outer peripheral edge of the disc body portion 73 .
  • the disc 38A for the coating tank is excellent in machinability, and deformation such as distortion or warpage occurs due to residual stress after machining, stress applied when chucking in a machining machine such as a lathe or machining. It is also possible to reduce the amount of wear and tear, and it is also excellent in shape stability.
  • the reinforcing portion 53 has a protrusion 53B that protrudes inward over the entire circumference.
  • the inner diameter of the protruding end of the protrusion 53B is smaller than the outer diameter of the disk body portion 73.
  • the outer edge of the disk main body 73 can be engaged with the projection 53B, so that when the reinforcing part 53 is fixed to the disk main body 73, positional displacement is unlikely to occur and the fixing can be stably performed. process can be performed.
  • the disk main body 73 and the reinforcing portion 53 can be positioned in the axial direction.
  • the reinforcing portion 53 is fixed to the disk main body portion 73 by a welding portion 53A that fills the gaps W1 and W2 in the circumferential direction.
  • the reinforcing portion 53 is fixed to the disc body portion 73 by utilizing the circumferential gaps W1 and W2 formed when the outer peripheral edge portion of the disc body portion 73 is engaged with the protrusion 53B. Therefore, the welded portion 53A does not bulge from the outer surface of the disk.
  • the upper surface of the reinforcing portion 53 is smoothly connected to the upper surface of the disk main body portion 73 via the welded portion 53A, and expands radially outward from the outer peripheral edge of the disk main body portion 73. ing.
  • the object to be coated can smoothly move on the upper surface of the reinforcing portion 53 and the upper surface of the disk body portion 73 (that is, the surface of the disk 38A) during coating. Also, dirt on the surface of the disk 38A can be easily removed.
  • the disk 38A for the coating tank is fixed to the reinforcing portion 53 with the outer peripheral edge portion of the disk body portion 73 in contact with the upper surface of the projecting portion 53B. According to this configuration, the protruding portion 53B does not protrude toward the inner surface of the disk body portion 73, so that the object to be coated can smoothly move between the upper surface of the disk body portion 73 and the upper surface of the reinforcing portion 53.
  • the coating bath 25 includes a disk 38A and a cylindrical rotatable drum 28A. According to this configuration, the coating tank 25 having the disk 38A can rotate the drum 28A together with the disk 38A, so that the object to be coated can be coated more satisfactorily.
  • the present invention is not limited to the embodiments described in the above description and drawings, and can be implemented in various configurations without departing from the scope of the invention. For example, various features of the embodiments described above and the embodiments described later may be combined in any combination that does not depart from the gist of the invention and is not inconsistent. Also, if the technical features are not described as essential in this specification, they can be deleted as appropriate.
  • the coating tank may be made of light metal such as aluminum, plated steel, or synthetic resin such as urethane rubber, UPE (ultra-high molecular weight polyethylene), POM (polyacetal), or the like.
  • the reinforcing portion may be manufactured by processing a ring cut from a cylindrical material having an inner diameter slightly smaller than the outer diameter of the disk main body.
  • the drive shaft of the drum drive mechanism may be engaged with the external gear as means for transmitting the torque from the second motor to the drum. Alternatively, the rotational force may be transmitted via a belt, or may be transmitted via an idler or roller.
  • the opening on the upper surface of the drum may be closed by a lid separate from the drum.
  • the lid may be attached to the drum by means of a hinge or the like so that it can be opened and closed and cannot be easily removed from the drum. It may be something that can be attached to and detached from.
  • the drum may not rotate, but the disk may rotate.
  • the reinforcing portion and the disk body portion may be fixed and integrated by rivets, bolts, brazing, or the like.

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Abstract

L'invention concerne un disque de cuve de revêtement qui est léger et qui présente une excellente aptitude au façonnage, et une cuve de revêtement.　Ce disque de cuve de revêtement comprend : une partie de corps principal de disque en forme de disque (73) qui est agencée de façon à fermer la face inférieure d'un tambour cylindrique (28A), est agencée de manière coaxiale avec le tambour (28A), a une forme de coupelle, et est rotative ; et une partie de renfort annulaire (53) qui est formée à partir d'un élément séparé de la partie de corps principal de disque (73) et présente une épaisseur supérieure à celle de la partie de corps principal de disque (73). La partie de renfort (53) est fixée au bord périphérique externe de la partie de corps principal de disque (73).
PCT/JP2021/035069 2021-09-24 2021-09-24 Disque de cuve de revêtement et cuve de revêtement WO2023047527A1 (fr)

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PCT/JP2021/035069 WO2023047527A1 (fr) 2021-09-24 2021-09-24 Disque de cuve de revêtement et cuve de revêtement

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PCT/JP2021/035069 WO2023047527A1 (fr) 2021-09-24 2021-09-24 Disque de cuve de revêtement et cuve de revêtement

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005075960A (ja) * 2003-09-01 2005-03-24 Noritomi Tekkosho:Kk 土壌団子製造装置及びこれを用いた土壌団子
US20100294101A1 (en) * 2008-01-24 2010-11-25 Ab Hallde Maskiner Cutting disc
CN201669129U (zh) * 2010-05-13 2010-12-15 唐山三友硅业有限责任公司 立式制粉机动密封装置
JP4685959B1 (ja) * 2010-03-12 2011-05-18 株式会社チップトン コーティング装置及びコーティング槽
CN211562853U (zh) * 2019-12-31 2020-09-25 青海高原地沣肥业有限公司 圆盘造粒机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005075960A (ja) * 2003-09-01 2005-03-24 Noritomi Tekkosho:Kk 土壌団子製造装置及びこれを用いた土壌団子
US20100294101A1 (en) * 2008-01-24 2010-11-25 Ab Hallde Maskiner Cutting disc
JP4685959B1 (ja) * 2010-03-12 2011-05-18 株式会社チップトン コーティング装置及びコーティング槽
CN201669129U (zh) * 2010-05-13 2010-12-15 唐山三友硅业有限责任公司 立式制粉机动密封装置
CN211562853U (zh) * 2019-12-31 2020-09-25 青海高原地沣肥业有限公司 圆盘造粒机

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