JPH03178605A - Method and device for working bristle tip of cosmetic brush - Google Patents

Abstract

PURPOSE:To form a spherical part in the bristle tip of a cosmetic brush by allowing the cosmetic brush in which bristles are continued spirally around a core wire to approach a heater instantaneously, while rotating it centering around the core wire. CONSTITUTION:A mascara brush (work) W is clamped by a work supporting and rotating mechanism 20 by using a chuck 26, and rotated at a certain speed by driving a motor 22. Subsequently, by allowing a heater mechanism 30 to pass through under the work W, a spherical part is formed in the bristle tip of the work W. When instantaneous heating of the whole bristle tip part is ended, the heater and the work W are separated, therefore, it does not occur that other part than the tip part of the bristle is brought to thermal deformation.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method and apparatus 7t for forming a spherical portion at the bristle tip of a makeup brush such as a mascara brush.

[Prior Art and Problems to be Solved by the Invention] As shown in FIG. 8, a mascara brush, which is one of the cosmetic brushes, has a fully bent core wire 2 made of folded L wood with bristle in between. The core wire 4 is twisted and integrated with the core wire 4 in between.
As shown in FIG. 9, the bristle 4 between the ends 2 and 2 has a continuous spiral or linear structure. As shown in Figure 0, the tips of the bristles 4 extend radially from the core wire and are spaced apart from each other, so there is no problem when applying a high viscosity mascara solution. There is a problem that when applying 1 volume of mascara with a low level of 2Q, or 1 volume of mascara with 2Q of other materials such as fibers, it is not possible to apply a sufficient amount of mascara t8M to the bristles 4. Ta.

In addition, the tip 4a of the bristle is angular, and when the tip is cut, there is a crevice as shown in 5, and a crack in the tip as shown in 6 is a gap. For this reason, some parents say that the cosmetic solution gets caught in the eyelashes and has a difficult time passing through the eyelashes, making it difficult to apply the cosmetic solution smoothly.

Therefore, an attempt was made to solve the above problem by forming a spherical part larger than the diameter of the bristle at the tip of the bristle.
It is made of a non-phase thin synthetic resin of IIIIn+4, and when heated, there is a problem that J is retained or 1 in 7L is absorbed. However, as a result of the development [1y1 person 1), the tips of the bristles 4 are warm to each other, and the present invention has been developed based on the knowledge that a molten spherical part can be formed by bringing the heater close to each other instantly. This is what led to this.

As described above, the present invention provides a method for forming a spherical portion at the tip of a bristle of a brush for chemical compound 19E, and a method for forming a spherical portion at a bristle tip of a brush for chemical compound 19E, and a method for forming a spherical portion at the tip of a bristle. It is to grasp 0 (to do).

[Means to solve the problem]

In order to achieve the object described in 1), in the method according to claim ff1 (1), the bristles are held in the twisted core wire portion and are spirally traced 11′, ′ε for the core wire. Rotate the chemical 1 well brush around the core wire while rotating it.
(The bristle is brought close to the heater quantitatively or in the shadow of the heater to form a molten spherical portion at the tip of the bristle.

In addition, the device according to claim rjT (2) includes a brush support and rotation mechanism that grips the core part of the brush and rotates it in a row of brush core parts, and a brush support and rotation mechanism that grips the core part of the brush and rotates it in a row of brush core parts; ``The heater that produces ``: O::Iλ''
It was designed so that

Further, in the device according to claim (3), the core wire portion of the brush for use is held and the brush is moved to the core, and the wire nlI j'i
a brush support rotary machine J, II'j that rotates the brush support rotating mechanism J, II'j; a heater disposed at a position one inch closer to the cosmetic brush supported by the brush support rotation mechanism 1); f; and l):j
A brush slide mechanism that carries the brush support rotating/selling mechanism described in i and slides the brush support rotating machine 114 to move the brush-side l seedlings toward and away from the heater described in i); This is how it was done.

[For A4] In the i1'i equation (1), the brush and the heater come close to face each other, the brush rotates in line with the core line, and the tip of the Prinsle that approaches the heater is instantaneously 1111 thermally melted. The lever becomes spherical. Furthermore, when the instantaneous heating of the entire bristle tip ends, the heater and the brand are separated from each other, so that parts other than the bristle tip are not thermally deformed.

In claim (2) or (3), the flange is rotated along the core line by the brush support rotation mechanism, and the brush moves toward the heater, or the heater moves toward and away from the brush, and only the tip of the bristle is instantaneously moved. heat it up.

[Example of long theory]

Next, embodiments of the present invention will be explained with reference to the drawings u)1. Figures 1 to 3 show an embodiment of a device for lengthening and lengthening the tip of the water. ,
Fig. 2 is a front view of the same device d, Fig. 3 is a right side view of the same tool 7'[, and Fig. 4 is a congratulatory opening explaining the sliding direction of the heater and the co-rotation direction of the workpiece. , Fig. 5 shows a theory 1i explaining how a spherical part is formed at the tip of the bristle.
, Figure 6 is an enlarged view of the tip of the bristle processed by the wooden dog machine.
-L, L is a mascara brush (hereinafter referred to as work color), and its horizontal movement is clearly seen in Figures 9 and 10. Reference numeral 18 is a mount for purchasing bristle tip processing, and on the mount 18 are workpieces 'J-, l', lr', 'j' that grip the work W and rotate it in line with the core line.
A heater machine 1'+530 that can move toward and away from the workpiece W in the sliding direction of the mounting frame 18.1- is installed.

The workpiece supporting and rotating mechanism 120 has an output shaft connected to a rotary shaft 24 via a deceleration shaft 23, and a chuck 26 is provided at the tip of the rotary shaft 24. The chuck 26 is configured to be able to rotate and clamp the core portion 2 of the workpiece W in the same manner as the pongee 24.

Further, a core wire guide 27 for guiding the core wire portion tip 2a is provided at a position facing the chatter 26.
is supported by a bracket 28 superimposed on the pedestal 18.

In the heater mechanism 30, a plate-type heater main body 32 with a heat dissipation surface 32a facing upward is supported by a slider 34. Therefore, the heater main body 30 slides in the lower area between the chuck 26 and the core wire guide 27.The lower scale of the slider 34 on the mount 8 is One screw ridge 36 is arranged horizontally, and the screw rod 3G
Guide rods 37, 37 are cast 8a in parallel on both sides. The slider 34 is assembled to a screw (bond 36) via a ball screw slide unit (not shown).
The sliter 34 moves to the guide 3 by the rotation of the screw retainer 36.
It is designed to run along 7. Note that reference numeral 38 is a motor for moving the threaded rod 36, and reference numeral 39 is a gear mechanism.

Then, the heater body 32 is placed at ++5 where the workpiece W is rotating.
When the bristles 4 slide close together below the workpiece, a spherical portion 7 is formed at the tip of the bristle 4. That is,
As shown in FIG. 4, the workpiece W is rotating clockwise (progress direction II'+ of the heater body 32 and jM direction 1i'lJ), and the nine ends of the bristles are attached to the heat dissipation surface 32a of the heater body. Closest 5th i21? 11. You have come to the position indicated by 'l' □. It melts instantly and solidifies into a spherical shape as it separates from the heater heat radiation surface at the position indicated by symbol X2. The slide of the heater body 32 corresponds to one rotation of the workpiece W, that is, it is set so that the rear end portion j32b of the heater body 32 just passes under the workpiece W when the workpiece W makes one rotation.
At the same time as the downward passage of the work W of No. 2 is completed, the spherical portions 7 are formed at the tips of all the bristles as shown in Fig. 6.
It will be in a state where it is formed.

Next, we will explain how to form a cone-shaped part at the tip of the bristle using the tree-nut illustration.

First, the workpiece W is supported by the chunk 26 and rotated 1
Clamp about 20 times. Next, the motor 922 is deactivated and the workpiece W is rotated +1 (/:) at a constant speed.Then, the heater mechanism 30 is passed under the workpiece to form the spherical part 7 at the bristle tip of the workpiece W. The processed workpiece W is removed from the chuck 26, the small workpiece W is placed on the chuck 26, and the same process is repeated again.

In this embodiment, the heater body 32 is made to slide relative to the workpiece W, but the heater body 32
It may be arranged such that it is stopped directly below the workpiece W, and when the formation of the spherical part 7 is completed, it is slid back to the original separated position.

Furthermore, in the above-mentioned embodiment, the heater body 32 is slid below the workpiece W so that the heat dissipating surface 32a is moved closer to and away from the workpiece W. On the other hand, a structure may be adopted in which they are approached and separated from above and below.

FIG. 7 shows a second embodiment of the haI system for carrying out the invention.

In the embodiment described above, the structure is such that the heater body 32 is moved toward and away from the workpiece W, or in this large embodiment, the heater body 32 is fixedly arranged.

It has a structure that moves the workpiece W toward and away from it. That is, the workpiece support rotation mechanism 20 radially extends 4 (11i1 (
12, and these are 4 in the riding rotation Φ + 1140.
(The vertical axis of rotation 40 is at an angle of 45 degrees.
It rotates intermittently around Fij1. The work W is clamped by the chuck 26 at the position A or B, and approaches the heater main body 32 at the position C, so that the spherical part 7 is formed at the tip of the bristle. That is, at the position shown by symbol C, the heater main body 32 is placed at the bottom f of the workpiece W supported by the chuck 26, and as the workpiece W rotates above the heater main body 32, a spherical shape is formed at the tip of the bristle. part is formed.

Then, at the position indicated by Fuku-D, the clamping of the workpiece W by the chuck 26 is released, and at the position A or B, a new workpiece W is clamped and supported.

[In the second embodiment, the workpiece support rotation mechanism 20
are provided radially, and the vertical rotating shaft 40 rotates intermittently at the same time with a brushing stroke of 15 degrees.
Bristle z1 (Jli supply J cutting PM, the process of twisting the core wire +42 holding the bristle to trace the bristle 4 in a spiral shape, the tip of the bristle 4 N1fj trimming process, the tip of the bristle 4 By matching the 8 pieces of metalwork necessary for the manufacturing process of a cosmetic brush dedicated to the process of forming the spherical part 7 to the 1 heroku of intermittent rotation of the vertical rotation axis = 10, it is possible to easily create the bristle tip from the manufacture of the mascara brush. It is also possible to perform the processing manually.

Note that 1) In the example 1, the case where the tip of the bristle of the mascara brush is processed into a spherical shape was explained, but the present invention can be similarly applied to other cosmetic brushes such as hair brushes and hair dye brushes. Needless to say.

〔Effect of the invention〕

As is clear from the following explanation, in the method according to ill requirement (1), it is possible to form a spherical part at the tip of the bristle in a simple manner without making the bristle a rounded shape.

In the device according to claim JJ1 (2) or (3), the bristle tip has a spherical shape r'l! with a simple structure. A processing device capable of forming a is obtained.

[Brief explanation of drawings]

Figure 1 shows the process of forming a spherical part on the bristle tip of the mascara brush! Figure 2 is a front view of the device, Figure 3 is the right side of the device 1τλ1, 111:n+ is the direction of rotation of the brush and the slide 1 of the heater body i'+]
Figure 5 shows the relationship between the bristle tip and the 1! Fig. 6121 is an enlarged view of the bristle tip of the mascara brush processed by the method of the present invention, and Fig. 7 is a plan view showing another embodiment of the processing device. Figure 8 [λ1 is an explanatory diagram explaining the process of making mascara flan, Figure 9 is a front view of a conventional mascara brush, and No. 101MI is a diagram showing the bristle tip of the same brush with a rim. . \1J 1 0 0 2 The mascara brush, which is the workpiece that we are going to process, - Core wire (A, 1J nostle, forest part, flange support tip turning machine (, 17, - Heater machine (I ■ 2 Heater body. 4th) Figure Figure Figure Figure Figure Figure ○ Figure

Claims (3)

[Claims] (1) A cosmetic brush, which is held between twisted core wires and whose bristles continue in a spiral around the core wire, is rotated around the core wire and momentarily approaches the heater, or the heater is brought close to the brush. , a method for processing a bristle tip of a cosmetic brush, the method comprising forming a molten spherical part at the tip of the bristle. (2) A cosmetic brush comprising a brush support rotation mechanism that grips the core of the cosmetic brush and rotates the brush around the core, and a heater that moves toward and away from the side surface of the brush. bristle tip processing equipment. (3) a brush support rotation mechanism that grips a core part of a cosmetic brush and rotates the brush around the core part; and a heater disposed close to the makeup brush supported by the brush support rotation mechanism; A bristle tip processing device for a cosmetic brush, comprising: a brush slide mechanism that supports the brush support rotation mechanism and slides the brush support rotation mechanism to move a side surface of the brush toward and away from the heater.