Classifications

• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46D—MANUFACTURE OF BRUSHES
  • A46D3/00—Preparing, i.e. Manufacturing brush bodies
  • A46D3/04—Machines for inserting or fixing bristles in bodies
  • A46D3/042—Machines for inserting or fixing bristles in bodies for fixing bristles using an anchor or staple
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
  • A46B3/16—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by wires or other anchoring means, specially for U-shaped bristle tufts
• • A—HUMAN NECESSITIES
  • A46—BRUSHWARE
  • A46B—BRUSHES
  • A46B2200/00—Brushes characterized by their functions, uses or applications
  • A46B2200/10—For human or animal care
  • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

• the present invention relates to a brush, a flocking device thereof, and a flocking method, and more particularly to a brush in which a bristle bundle is transplanted using a small metal piece called a flat wire, a flocking device, and a flocking method.
• a conventionally used flat wire type toothbrush flocking device has a long bristle bundle of a predetermined number of monofilaments such as nylon as shown in Figs. 13 and 14.
• An auxiliary guide body having a pressing portion 8 5 for pressing the bristle bundle on the lower surface, a needle hole 86 vertically penetrating the pressing portion 85, and a flat wire penetrating hole 87 penetrating the needle hole 86.
• a flocking needle 83 that slides up and down along the needle hole 86 of the auxiliary guide body 88, a needle that is located below the auxiliary guide body 88 and that can be raised and lowered, and a needle
• the needle guide hole 90 provided along the extension line of the hole 86 is penetrated and opened, and the bristle receiving portion 91 of the bristle bundle 81 is recessed on the upper surface of the needle guide hole 90 so that it can be pressed when ascending.
• a hair bundle cutting mechanism 94 provided with a rotary cutter 93 for cutting the hair bundle 81 to a predetermined length when the flocking guide 92 rises, and a flat line through hole of the auxiliary guide body 88 It consisted of a flat wire supply mechanism 96 for sending a flat wire 95 to 87 (see Japanese Patent Publication No. 49-27 382).
• the bristle bundle 81 is implanted on the flocking surface 3 of the head portion 2 of the toothbrush handle 1 as follows. That is, first, as shown in FIG. 13, the long bristle bundle 81 is sent out into the bristle receiving portion 91 until it hits the stopper 197 by the bristle bundle supply mechanism 84, and at the same time, as shown in FIG. In addition, The thin flat wire 95 is fed into the flat wire through hole 87 of the auxiliary guide 88 by the feeding mechanism 96.
• the bristle bundle 81 fed into the bristle receiving portion 91 is clamped and held by the pressing portion 85 at the distal end of the auxiliary guide body 88, and in this state, the rotating cut of the bristle cutting mechanism 94 is cut.
• the entire hair transplanting mechanism 82 and the auxiliary guide body 88 are lowered toward the toothbrush handle 1.
• the flocking needle 83 is driven downward along the needle hole 86 and the needle guide hole 90.
• the flat wire 95 is cut into a predetermined length at the tip of the flocking needle 83, and the cut flat wire 95 is extruded as it is.
• the hair bundle 81 cut into a small size is pressed into the needle guide hole 90 while bending the bundle into a U-shape at the center thereof so as to fold it into two.
• the tip of the flocking mechanism 82 comes closest to the flocking surface 3 of the head portion 2 of the toothbrush handle 1
• the tip of the flocking needle 83 jumps out of the needle guide hole 90 and cuts to a fixed size.
• the obtained hair bundle 81 is folded into two in a small piece flat line 95, and is driven into the flocked hole 4 of the flocked surface 3, and the hair is transplanted as shown in FIGS. 15A and 15B.
• the bristle bundle 81 cut in two by the flat wire 95 is inserted into the flocking surface 4 of the head portion 2 of the head portion 2 of the toothbrush handle 1. Hairs are planted sequentially.
• the driving angle S of the flat wire 95 with respect to the flocking hole 4 is always constant (for example, 0 is fixed at 12 °). Each time, the driving angle 0 could not be freely changed. For this reason, if the spacing between adjacent flocking holes 4 is made too small, the struck flat wires 95 will collide with each other, cracks caused by the striking of the flat wires 95, or brush heads caused by resin whitening. There is a risk that the fibers may be weakened, and the spacing between the flocking holes must be larger than a certain level, which makes it difficult to achieve high-density flocking.
• the driving angle 0 of the flat wire refers to an angle formed by the longitudinal direction of the flat wire in a predetermined direction in the brush head portion, for example, the longitudinal direction of the brush head portion.
• the arrangement pattern of the bristle bundles to be implanted is limited to an arrangement pattern in which adjacent flat lines do not interfere with each other, such as a linear arrangement or a lattice arrangement. It was not possible to realize an arrangement pattern other than the above, for example, a circle-shaped flocking in which the hair bundles were arranged in a circular shape, or a curved flocking in which the hair bundles were arranged along an arbitrary curve.
• conventional flat-line toothbrushes have brushes arranged in various directions corresponding to the brushing position and brushing method in the oral cavity, such as toothbrushes made by in-mold method or heat fusion method. It was difficult to provide a toothbrush.
• a flat wire is usually driven in.
• the tip side of the flocking guide 92 is, as shown in FIG.
• a hair splitting device 9 9 is installed that reciprocates the hair splitting plate 9 8 in synchronization with the operation.
• the next hair tuft is driven into the hair transplanting hole 4, the next hair tuft 8 1
• the hairs are released from the advance and retreat path of the flocking guide 92, so that the bristle bundles 81 adjacent to the flocking are wound and the connecting bristle 81a as shown in FIG.
• the generation of ring bristles 81b as shown in 18B is prevented.
• the bristle separating device 99 is fixed at a fixed position with respect to the flocking mechanism 82, and the toothbrush handle simply moves in parallel.
• the already implanted hair bundles must always be carried out in order from the specific side where the hair is easily separated by the hair separating device. There was a problem that the arrangement pattern of the hair bundles was regulated.
• the present invention has been made in order to solve the above-mentioned problem, and provides a flat-line type brush capable of high-density flocking and flocking in an arbitrary arrangement pattern by changing a driving angle of a flat line depending on a place. The purpose is to do so.
• the present invention can freely change the angle at which the flat wire is implanted with respect to the flocking hole, realize high-density flocking, and achieve circular flocking and bending which have been difficult in the past. It is an object of the present invention to provide a flocking device and a flocking method that can realize a flocking in an arbitrary arrangement pattern such as a line flocking in an arbitrary driving order and are free from a risk of generating a connecting bristle or a ring bristle. Disclosure of the invention
• a brush according to the present invention is a brush in which a bristle bundle is folded in two into a flocked hole formed on a flocked surface of a brush head portion and a flat line is interposed therebetween, and the brush is planted.
• the striking angles of the flat lines are different between at least two or more flat lines in the flocking hole.
• a plurality of independent flocking holes are formed in the brush head, and that the plurality of flocking holes and the hair bundle are fixed by a flat line.
• the partition separating at least two or more adjacent flocking holes has a thickness in the range of 0.1 to 3.0 mm.
• the driving angle of each flat line is set so that the extension line along the longitudinal direction of each flat line does not hit the adjacent flocking hole.
• a plurality of hair bundles may be fixed to the same flocking hole by flat wires.
• a brush having such a configuration by changing the driving angle of the flat wire, it is possible to arrange the flat wires so that adjacent flat wires do not collide with each other.
• a conventional flocking method such as a circular flocking, in which hair bundles are arranged in a circle, and a curvilinear flocking, arranged along an arbitrary curve. It is also possible to realize a free flocking pattern that could only be achieved by a dressing method.
• the brush flocking device includes a flocking means for flocking a bristle bundle on a flocked surface of a brush head portion using a flat wire, and a brush head, which is opposed to the flocking means at a predetermined distance, and A brush holding base capable of holding the blade portion in a fixed position; position adjusting means capable of freely adjusting the position of the brush holding base with respect to the flocking means; and rotation of the brush holding base with respect to the bristle growing means.
• a brush rotating mechanism capable of freely adjusting the tilt angle, wherein the position of the brush holding table with respect to the flocking means is freely changed by controlling the movement of the position adjusting means, and the brush rotating mechanism is controlled to rotate.
• the rotation inclination angle of the brush holding table with respect to the flocking means is freely changed by controlling the angle.
• the method for implanting a brush is a method for implanting a brush in which a hair bundle is folded in two on the implanted surface of a brush head using a flat wire and implanted.
• the brush holder is arranged to face the flat-line type flocking means, and the position of the brush holder with respect to the flocking means is freely changed.
• the bristle tufts are successively planted on the flocking surface of the brush head portion held on the brush holding base while freely changing the rotation inclination angle of the brush holding base with respect to.
• the driving angle of the flat line with respect to the flocking hole can be freely changed for each flocking hole. For this reason, it is possible to realize high-density flocking, and also to realize flocking of an arbitrary arrangement pattern such as circle flocking or curved flocking, which has been difficult in the past.
• FIG. 1 is an electric circuit diagram of a flat wire type toothbrush flocking device according to one embodiment of the present invention.
• FIG. 2 is a schematic front view of an appearance structure of the flat wire type toothbrush flocking device according to the embodiment.
• FIG. 3 is a schematic sectional view taken along line AA in FIG.
• FIG. 4 shows an example of changing the angle of rotation of the toothbrush handle by rotating the brush holder.
• 5A to 5H are diagrams each showing an example of the angle at which a flat wire is driven by the flat wire type toothbrush flocking device according to the embodiment.
• FIGS. 6A to 6D show an example of an arrangement pattern of bristle bundles that can be implanted by the flat wire type toothbrush implanting device according to the embodiment
• FIG. 6A is a plane showing an example of a circle-shaped implanting
• FIG. 6B is a plan view showing an example of U-shaped flocking
• FIG. 6C is a plan view showing an example of Y-shaped flocking
• FIG. 6D is a plan view showing an example of windmill-shaped flocking.
• FIG. 7 is a plan view showing a first example of a toothbrush of the present invention in which hair is implanted by the flat wire toothbrush implanting device according to the embodiment.
• FIG. 8 is a plan view showing a second example of the toothbrush of the present invention implanted by the flat-line toothbrush implanting device according to the embodiment.
• FIG. 9 is a plan view showing a third example of the toothbrush of the present invention in which hairs are implanted by the flat wire toothbrush implanting device according to the embodiment.
• FIG. 10 is a plan view showing a fourth example of a toothbrush implanted by the flat-line toothbrush implanting device according to the embodiment.
• Fig. 11A and Fig. 11B are explanatory diagrams of the driving angle of the flat wire in the present invention.
• Fig. 11A shows the case where the flocking hole is circular
• Fig. 11 BB shows the case where the flocking hole is square. It shows.
• FIG. 12A and Fig. 12B show an example of the case where multiple hair bundles are continuously implanted into the flocking hole without providing a partition wall.
• FIG. 12A shows the flocking hole and the flocking.
• FIG. 12B is a schematic plan view of the hair bundle.
• FIG. 13 is a schematic longitudinal sectional view showing the structure of a conventional flat-line toothbrush flocking device.
• FIG. 14 is a schematic vertical sectional view taken along line BB in FIG.
• Fig. 15A is a plan view of a flocking hole in which a hair bundle is planted by a flat line
• Fig. 15B is a cross-sectional view taken along line CC in Fig. 15A.
• FIG. 16 is a plan view showing an example of a toothbrush planted by a conventional flat-line toothbrush planting device.
• FIG. 17 is an explanatory diagram of a hair separation state by the hair separation device.
• FIG. 18A is a state diagram of the generation of connecting hairs
• FIG. 18B is a state diagram of the generation of ring hairs.
• FIG. 1 to 3 show an embodiment of a flat wire type toothbrush flocking device configured by applying the present invention.
• the same reference numerals are given to the same or equivalent mechanism parts as those of the above-mentioned conventional flat-line toothbrush flocking device (FIGS. 13 and 14).
• the hair splitting device has the same configuration as that shown in FIG. 17, but is not shown.
• the flocking device is broadly divided, and is a flocking mechanism for punching and bristling a hair bundle, which has been folded in half by a flat wire, with a flocking needle in the same manner as a conventional flat wire toothbrush flocking device.
• the flocking mechanism 82 has the same structure as the above-described conventional flat-line toothbrush flocking device (FIGS. 13 and 14), and along the center line 0-0 of the needle guide hole at the time of flocking.
• the hair bundle 81 is folded forward and backward by a flat wire, and the hair bundle 81 is driven out by a flocking needle, and the flocking hole 4 on the flocking surface 3 of the flocking surface 3 of the head portion 2 of the toothbrush handle 1 gripped by the handle holder 16 described later. Is what you do.
• the table 11 is composed of a combination of an X-axis table 1 la that moves left and right, a Y-axis table 1 lb that moves up and down, and a Z-axis table 1 lc that moves back and forth.
• the drive of the servo cylinders 13a, 13b, and 13c for each axis is controlled by the table servo driver 14 so that the position can be adjusted freely.
• the brush rotating mechanism 12 includes a brush holder 16 rotatable in both forward and reverse directions by a rotating support shaft 15 fixed to the back surface, a rotary servo motor 17, and a servo motor.
• Gears 20 and 21 that connect the rotary servo driver 18 that drives and controls the rotary shaft 17 and the rotary shaft 15 of the brush holder 16 and the rotary shaft 19 of the servomotor 17 and the drive belt It consists of 2 2.
• This is a gripping mechanism for gripping and holding in place, for example, inserting the head part 2 of the toothbrush handle 1 to be implanted into the claw parts 23a to 23d formed at the four corners.
• the entire toothbrush handle 1 can be held at a fixed position.
• the brush rotation mechanism 12 provided with the brush holder 16 is fixed to the XYZ table 11 by an attachment member 24, and by controlling the movement of the XYZ table 11, the XYZ of the brush holder 16 is controlled.
• the toothbrush handle 1 held on the brush holder 16 is rotated by rotating the brush holder 16 with the rotary support 17. , That is, the rotation inclination angle 0 of the steering wheel can be freely changed as shown in FIG.
• FIG. 4 shows a typical angle setting example, and it goes without saying that any angle in the middle can be set freely.
• Reference numeral 25 denotes a combination of a personal computer and a PC (sequencer) for controlling the operation of the entire apparatus including the table servo driver 14, the rotation servo driver 18, and the flocking mechanism 82. It is the control part which was done.
• the toothbrush handle 1 to be implanted is inserted into the claw pieces 2 3 a to 23 d of the brush holder 16 with an automatic loading machine or manual operation so that the implanted surface 3 faces the front side. Hold the entire handle 1 on the handle gripper 16.
• the control unit 25 controls the table servo driver 14, and the X-axis servo driver 13 a for the Y-axis
• the position of the first flocking hole 4 in the flocking order is the needle guide hole 8 of the flocking mechanism 8 9 (Fig. 13 Adjust the position of the brush holder 16 in the XYZ directions so that it coincides with the center axis 0-0 of (Fig. 14).
• control unit 25 controls the rotary servo dryer 18 to drive the rotary servo motor 17, so that the toothbrush handle 1 gripped on the brush holder 16. Is adjusted to a specified inclination angle.
• the control part 25 controls the flocking mechanism 82, and in the same manner as the above-mentioned conventional toothbrush flocking device, folds the bristle bundle 81 in two along the flat wire 95 and launches it into the flocking hole 4 of the flocking surface 3 I do.
• the above flocking operation is repeatedly performed for each flocking hole 4.
• FIGS. 5A to 5H it is possible to implant the hair while freely changing the driving angle S of the flat wire 95 for each implanted hole 4.
• the flat lines 95 of the adjacent flocking holes 4 are not in contact with each other and hindrance, and it is possible to implant the hair bundles with high density.
• 5A to 5H also show typical examples of angle setting, and it goes without saying that any angle in the middle can be set freely.
• by rotating the toothbrush handle 1 it is possible to always set the positional relationship between the already implanted bristle bundle 8 1 and the next flocking hole 4 as shown in Fig.
• FIGS. 6A to 6D show examples of arrangement patterns of hair bundles that can be planted by the above-described planting device.
• the arrangement pattern in the example shown in the figure is one in which rectangular flocking holes 4 are arranged closely next to each other by placing them in close proximity to each other with thin walls.
• Figure 6A shows rectangular flocking holes 4 arranged in a circle.
• Fig. 6B shows an example of U-shaped flocking where rectangular flocking holes 4 are arranged in a U-shape
• Fig. 6C shows a Y-shaped flocking where rectangular flocking holes 4 are arranged in a Y-shape.
• FIG. 6D shows an example of a windmill-shaped flocking in which rectangular flocking holes 4 are arranged in a windmill shape.
• the angle at which the flat lines 95 driven into the flocking holes 4 are different from each other may cause adjacent flat lines 95 to collide with each other. Instead, the hair can be planted in an array of arbitrary shapes as shown in the figure. Further, since the flocking holes 4 are arranged close to each other with a thin wall therebetween, there is no gap between the flocking holes between the flocking holes, and the bristle bundle density is extremely high. 7 to 10 show examples of toothbrushes planted by the above-described planting device. The arrangement pattern of the bristle bundles in these toothbrushes cannot be realized by a conventional flat wire type flocking device, but only by a flocking device utilizing the in-mold method and the heat fusion method.
• the shape of the flocking hole 4 is not limited to the conventional round hole, but may be a square or a sector as shown in the figure, or may be any other shape such as a triangle, polygon, star, or compound curve. It is possible to employ flocked holes in the shape. For this reason, it is possible to provide a flat line type toothbrush having brushes arranged in various directions corresponding to the brushing position in the oral cavity and the brushing method.
• each flocking hole 4 is formed as an independent hole by separating adjacent flocking holes 4 by partition walls, and one flat planting hole is formed for each of the independent flocking holes 4.
• one hair bundle 81 was driven using the line 95 was shown, the method of planting the hair bundle is not limited to this.
• one flocking hole 4 is formed in a long hole shape having a plurality of hole lengths, and a plurality of bristle bundles 8 1 and a plurality of flat wires 9 5 are formed in the long hole-like flocking hole 4. They can be used one by one and packed next to each other for flocking.
• the brush holder 16 is configured to be driven to rotate by the servomotor 17 for rotation, the gears 20 and 21, and the drive belt 22, but the brush holder 16 is rotated. Since it is only necessary to be able to do so, it is needless to say that the Serpomo 17 may be directly connected or another rotating mechanism may be used.
• the head portion 2 of the toothbrush handle 1 is configured to be gripped by the claw pieces 23 a to 23 d formed at the four corners of the brush holding base 16, but the head portion of the toothbrush handle 1 is configured.
• Other gripping mechanisms may be used as long as the mechanism can grip the 2.
• the XYZ table 11 is also driven by three servo motors 13a to 13c.
• the present invention is not limited to this.
• a servomotor instead of a servomotor, another drive mechanism such as a linear slider may be used. May be used.
• the handle rotating mechanism 12 to which the brush holder 16 is attached is rotatably mounted on the XYZ table 11, but on the contrary, the brush holder 16 is fixed.
• the arranged XYZ table 11 can also be configured to be freely movable in the XYZ directions on the rotation axis of the rotation mechanism.
• the table 11 capable of controlling the position in the three axial directions is used.
• the flocking surface 3 of the toothbrush handle 1 is a flat flocking surface without irregularities,
• the position control in the Z-axis direction can be unnecessary. Therefore, in such a case, instead of the XYZ table 11, it is possible to use an XY table capable of controlling the position only in the two X-axis directions.
• the position of the brush holding table with respect to the flocking means can be freely changed by controlling the movement of the position adjusting means, and the brush rotating mechanism can be rotationally controlled.
• the bristle tufts are implanted into the intended flocking holes in the brush head while freely changing the angle of rotation of the brush holder with respect to the flocking means.
• the application object of the present invention is not limited to the above-described toothbrush, but may be applied to any other brushes, such as a hair brush, a makeup brush, a cleaning brush, and the like, in which the type of hair is implanted using a flat wire. is there. It can also be applied to brushes without handles (handles).

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• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Brushes (AREA)

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Publications (1)

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Citations (3)

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• 2000
  • 2000-02-24 JP JP2000047553A patent/JP3916832B2/ja not_active Expired - Fee Related
  • 2000-05-12 DE DE60005825T patent/DE60005825T2/de not_active Expired - Lifetime
  • 2000-05-12 WO PCT/JP2000/003073 patent/WO2000069310A1/ja active IP Right Grant
  • 2000-05-12 EP EP00925656A patent/EP1188395B1/de not_active Revoked
  • 2000-05-12 TW TW89109092A patent/TW427891B/zh not_active IP Right Cessation

Patent Citations (3)

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