KR101228693B1 - Mold for manufacturing toothbrush's hole and manufactured by the same - Google Patents

Abstract

PURPOSE: A mold for manufacturing a bristle mounting hole and a toothbrush manufactured by the mold are provided to improve the efficiency of teeth brushing. CONSTITUTION: A mold for manufacturing a bristle mounting hole comprises a mold body(110) which is formed with an inclined space having an inclined wall, a core(120) which moves along the inclined side wall of the inclined space, a plurality of pins(130) which is fixed to the core and processes bristle mounting holes in the head of a toothbrush while reciprocating through the through-holes, and a connection piece(150) which is combined with the core and is connected to an actuator which moves the core.

Description

Mold for manufacturing bristle mounting hole of toothbrush and toothbrush manufactured by the mold {Mold for manufacturing toothbrush's hole and manufactured by the same}

The present invention relates to a mold for manufacturing a bristle mounting hole of a toothbrush and a toothbrush manufactured by the mold. More specifically, the bristle mounting hole for mounting a bristle of a toothbrush can be easily processed in an inclined direction. Photo bristle can be implemented, and this relates to a mold for manufacturing a bristle mounting hole of a toothbrush which can improve the effect of brushing, and a toothbrush manufactured by the mold.

In recent years, there is a tendency to improve the quality of human life according to the well-being fever, and accordingly, much attention is paid to the public about the health of teeth.

In order to maintain the health of the teeth, various types of toothbrushes are introduced on the market. Toothbrushes having various types of bristles are widely used due to the development of the technology for the toothbrushes.

1 and 2 are perspective views showing a toothbrush according to the prior art.

As shown in Figure 1, the toothbrush has a bristle (3) and the elastic body (4) is built therein so that the body (2) in which the bristle (3) is planted hair is flexible to clean the outside of the tooth In case, bend inward to match the shape of the tooth, and when brushing the inside of the tooth, make the bristle (3) bend outward of the planted body (2) and wipe every corner well according to the arrangement of the tooth. It is related to a toothbrush (utility model registration number: 20-0407515, the designation name: the toothbrush which wipes every corner well).

According to the above-described design, the body 2 is formed in front of the handle 1, the upper surface of the body 2 in the conventional toothbrush made by planting a plurality of bristle 3, the bristle Unlike the material of the handle 1, the body 2 in which the hairs are flocked 3 is constituted as a soft soft synthetic resin, and the inside of the body 2 is flipped on both sides with appropriate elasticity. The built-in elastic body (4) has a merit that can be evenly polished inside and outside of the tooth as designed to bend inward or outward, respectively, when cleaning the inside and outside of the tooth.

And, Figure 2 also shows a toothbrush according to the prior art, the bristles 21 are implanted into the head member 20 at the tip of the toothbrush pole 10, the handle portion 12 and the neck 11 in the longitudinal direction is The head member 20 is formed integrally with the head member 20 so as to be cleaned by holding the handle portion 12 by hand, the head member 20 intersects the longitudinal direction of the toothbrush pole 10. It is related to being formed in a direction (utility model registration number: 20-0225409, designation name: toothbrush).

According to the above design, when cleaning the molar teeth located inside the oral cavity, it is easy to move to the position to wash, and when cleaning the tongue or incisor, the inside of the front teeth, fingers and wrists held by the toothbrush 10, Since the angle of the arm is placed in a straight line, there is an advantage such that the tooth can be easily washed even when the elderly or the child washes the teeth by inducing a posture that does not overdo the arm.

However, in the case of the toothbrush disclosed in the prior art, including the technique disclosed in the prior arts, the bristle attached to the head portion of the toothbrush is in a straight line, so that it adapts adaptively to teeth having a three-dimensional curvature shape. There is a problem that the difficulty of brushing is difficult.

Therefore, in order to improve the effect of brushing can be considered the case of mounting the brush head in the inclined direction in the head of the toothbrush, if such a toothbrush is developed, the effect of brushing is significantly improved than before, oral hygiene and cleanliness It is expected to be able to provide an excellent effect.

However, in order to attach the bristles to the head of the toothbrush in an inclined direction, the bristle mounting holes should be processed in an inclined direction during the manufacture of the toothbrush, and for this purpose, development of a mold corresponding thereto is required, but the development of such a mold is still required. Since this is not going on, technology development for this is required.

Utility Model Registration No. 20-0407515 of Korea Patent Office Utility Model Registration No. 20-0225409

An object of the present invention, the bristle mounting hole for mounting the bristle of the toothbrush can be easily processed in the inclined direction, it is possible to implement the inclined bristle, thereby mounting the bristle of the brush can improve the effect of brushing The present invention provides a mold for producing holes and a toothbrush manufactured by the mold.

The object of the present invention includes a mold body in which a head portion of a toothbrush to which bristle mounting holes are manufactured to be inclined is loaded into one surface, and an inclined space portion having an inclined side wall inclined in the same manner as an inclined gradient of the bristle mounting holes is formed therein; A core disposed in the inclined space part and moving along the inclined side wall of the inclined space part; And one end fixed to the core, and the other part includes a plurality of simpin pins for processing the bristle mounting holes in the head portion of the toothbrush while reciprocating through a plurality of through holes formed in the mold body. It is achieved by a mold for manufacturing bristle mounting holes of a toothbrush and a toothbrush manufactured by the mold.

The core may include a pair of divided core blocks.

The core may be in contact with the core blocks in the inclined space portion to be moved together with the core blocks, and may further include a pair of escape preventing blocks for preventing the separation of the seam pins.

The core block and the separation prevention block may be screwed to the corresponding ones.

It may further include a connection piece coupled to the core and connected to the actuator for moving the core.

A pair of protruding keys may be formed on the connecting piece, and a key groove in which the protruding key of the connecting piece is slidably coupled to the core may be formed.

According to the present invention, the bristle mounting holes for mounting the bristles of the toothbrush can be easily processed in the inclined direction, it is possible to implement the inclined bristle, thereby improving the effect of brushing.

1 and 2 are a perspective view showing a toothbrush according to the prior art,
3 is a plan view of a toothbrush manufactured by a mold for manufacturing a bristle mounting hole of a toothbrush according to an embodiment of the present invention;
4 is a schematic perspective view of a mold for manufacturing a bristle mounting hole of a toothbrush according to an embodiment of the present invention;
5 is a plan view of FIG. 4;
6 and 7 are cross-sectional structural views of FIG. 4, respectively, illustrating the process of manufacturing the bristle mounting holes step by step.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a plan view of the toothbrush manufactured by a mold for manufacturing a bristle mounting hole of a toothbrush according to an embodiment of the present invention.

Referring to this figure, the toothbrush 100 of this embodiment has a handle portion 101 and a head portion 102 formed at the end of the handle portion 101.

Handle portion 101 may be formed with a variety of patterns, logos, anti-slip patterns, and the like. And the head portion 102 is formed with a plurality of bristle mounting holes 103 to which the bristle (not shown) is mounted.

As described above, the conventional bristle mounting holes (not shown) had a vertical structure formed vertically at an angle of 90 degrees with respect to the plate surface of the head portion 102, and thus the bristles mounted in the bristle mounting holes. They were also arranged vertically with respect to the plate surface of the head 102. In this case, the shim pins (not shown) of the mold for processing the vertical bristle mounting holes were also sufficient if they had a vertical arrangement. As such, when the morpho pins have a vertical arrangement, the reciprocating structure of the morpho pins is not so difficult or complicated.

However, when trying to process the bristle mounting holes 103 to be inclined as shown in FIG. 7 to improve the brushing effect as in the present embodiment, the conventional vertical shim pin arrangement structure is impossible. Therefore, in the present embodiment, a mold structure as shown in FIGS. 4 to 7 below is proposed.

4 is a schematic perspective view of a mold for manufacturing a bristle mounting hole of a toothbrush according to an embodiment of the present invention, FIG. 5 is a plan view of FIG. 4, and FIGS. 6 and 7 are cross-sectional structural views of FIG. 4, respectively. Figures illustrating the process step by step.

As shown in these figures, the mold for manufacturing the bristle mounting holes of the toothbrush according to the present embodiment has a mold body 110, a core 120, a shim pin 130, and a connecting piece 150.

Mold body 110 forms the appearance of the equipment. As schematically illustrated in FIG. 4, the mold body 110 may have a block structure of a substantially rectangular shape. However, since the scope of the present invention is not limited thereto, the mold main body 110 does not necessarily have a rectangular block structure.

For reference, in Figure 4, the mold body 110 is shown as an integral structure that is not separated, which is shown to be somewhat exaggerated for convenience, the mold body 110 is divided into a plurality of unit bodies (not shown) It may be made, so that it will be easy to assemble the internal parts.

6 and 7, the head portion 102 of the toothbrush 100 to which the bristle mounting holes 103 are inclined is loaded on one surface of the mold body 110. Since the toothbrush 100 does not have to move or be out of place when the bristle mounting holes 103 are processed, a means for firmly chucking the head 102 of the toothbrush 100 may be further interposed on one surface of the mold body 110. Can be.

An inclined space having an inclined slope of the bristle mounting holes 103, that is, an inclined side wall 112 that is inclined in the mold main body 110 in the same manner as the inclined gradient of the bristle mounting holes 103, as shown in FIG. 7. The part 111 is formed.

For reference, in the present embodiment, the bristle mounting holes 103 are not all inclined in the same direction. However, it will be possible to manufacture so that the inclination directions of the bristle mounting holes 103 are all the same through a simple mold change, and these matters should also belong to the scope of the present invention.

A plurality of safety pins 115 are provided on one side of the mold body 110.

The core 120 is disposed in the inclined space 111 of the mold body 110 to support the core pins 130. The core 120 is disposed in the inclined space 111 to move along the inclined side wall 112 of the inclined space 111.

The reciprocating stroke distance L of the core 120 is shown in FIG. 6. The core 120 may include a pair of divided core blocks 120a and 120b. The pair of core blocks 120a and 120b move along the inclined side wall 112 and approach and space each other.

The chemo pins 130 have one end fixed to the core 120, and the bristle mounting holes in the head portion 102 of the toothbrush 100 while being reciprocated through a plurality of through holes 113 formed in the mold body 110. 103).

The shim pins 130 are provided as many as the number of bristle mounting holes 103 and correspond to the inclination gradient of the bristle mounting holes 103.

One end of the shim pins 130 may pass through the core 120 and be seated on the core 120. These shimpin pins 130 are exposed to the outside of the mold body 110 as shown in Figure 6 to process the bristle mounting holes 103 in the head portion 102 of the toothbrush 100, the core 120 when processing is complete According to the operation of FIG. 7 can be concealed into a plurality of through-holes 113 formed in the mold body 110.

The core 120 further includes a pair of departure prevention blocks 140a and 140b. The pair of departure prevention blocks 140a and 140b are in contact with the core blocks 120a and 120b in the inclined space 111 of the mold body 110 to move together with the core blocks 120a and 120b. As a structure to be, it serves to prevent the departure of the shim pins (130).

Like the core blocks 120a and 120b, the pair of departure prevention blocks 140a and 140b also move along the inclined side wall 112 by the stroke distance L shown in FIG.

They may be keyed together (125a, 125b) so that the pair of departure prevention blocks (140a, 140b) and the pair of core blocks (120a, 120b) can be moved together. That is, protruding keys 125a are formed at one side of each of the core blocks 120a and 120b, and key grooves 125b are formed to which the protruding keys 125a are coupled to the escape preventing blocks 140a and 140b. May be combined 125a and 125b. In addition, after each of the departure prevention blocks (140a, 140b) and each of the core blocks (120a, 120b) is a key combination (125a, 125b) between each other, the corresponding ones are screwed together (S) separation prevention blocks (140a, 140b) ) And the core blocks 120a and 120b may substantially form a body.

Meanwhile, the pair of departure prevention blocks 140a and 140b, the pair of core blocks 120a and 120b, and the shimpin pins 130 are along the inclined side wall 112 by the stroke distance L shown in FIG. 6. The connection piece 150 and the actuator 160 are further provided to be movable.

The connecting piece 150 is coupled to the core 120, that is, slidably coupled to the pair of separation preventing blocks 140a and 140b.

One end of the connecting piece 150 is disposed in the inclined space 111 of the mold main body 110, and the other end thereof is exposed to the outside of the mold main body 110.

The connection piece 150 and the pair of separation prevention blocks 140a and 140b may also be key combinations 155a and 155b to be moved together. That is, the protruding key 155a is formed on the connecting piece 150, and the key groove 155b is formed to be slidably coupled to each of the separation preventing blocks 140a and 140b of the core 120. The key combinations 155a and 155b may be combined. However, the key combinations 155a and 155b between the connection piece 150 and the respective departure prevention blocks 140a and 140b are fixed key combinations 125a between the departure prevention blocks 140a and 140b and the core blocks 120a and 120b. Unlike 125b, it has a structure that is relatively slidable to each other. Only then can it be operated as shown in FIG.

The actuator 160 is connected to the other exposed end of the connecting piece 150. The actuator 160 may be composed of any one of a hydraulic cylinder, a pneumatic cylinder, and a motor, but other power means may be applied, and the pair of separation prevention blocks 140a connected to the connection piece 150 may be operated by operating the connection piece 150. 140b) and the pair of core blocks 120a and 120b are operated together.

The operation of a mold for manufacturing bristle mounting holes of a toothbrush having such a configuration will be briefly described as follows.

First, the head 102 of the toothbrush 100 to be processed is loaded at one side surface processing position of the mold body. After loading, the fixing operation may proceed.

Next, the actuator 160 is operated to press the connecting piece 150 toward the head 102 of the toothbrush 100. Then, the pair of separation prevention blocks 140a and 140b and the pair of core blocks 120a and 120b, which are connected to the connecting piece 150 in turn, move upward as shown in FIG. The bristle mounting holes 103 are processed in the head portion 102 of the toothbrush 100 while being exposed to the outside of the main body 110.

When the machining is completed, the safety pin 115 presses the connecting piece 150 by the operation of the actuator (not shown) to return the connecting piece 150 to its original position, thereby interworking with the pair of departure preventing blocks 140a and 140b. Core blocks 120a and 120b are moved downward as shown in FIG. 7. At this time, as shown in Figure 7, a pair of core blocks (120a, 120b) are moved downwards while opening each other, and at the same time, a pair of departure prevention blocks (140a, 140b) are also open each other downwards When the distance between the pair of core blocks (120a, 120b) and the pair of departure prevention blocks (140a, 140b) to each other is "M", the departure prevention block (140a, 140b) and the connecting piece ( Both sides of 150 are spaced apart from each other with a distance of "M / 2".

On the other hand, when the pair of departure prevention blocks (140a, 140b) and a pair of core blocks (120a, 120b) is moved downward as shown in FIG. It can be concealed by the through-hole 113, so that the head portion 102 of the toothbrush 100 can be processed a plurality of bristle mounting holes 103 inclined at a desired angle.

The toothbrush 100 which has been processed is taken out of the mold, and a new one is loaded again.

As such, according to the present embodiment, the bristle mounting holes 103 for mounting the bristles of the toothbrush 100 can be easily processed in an inclined direction, so that the implementation of the inclined bristles is possible, and thus the effect of brushing It will be possible to improve.

In the above-described embodiment, the description thereof is omitted, but one toothbrush may be processed in one operation of the mold, or a plurality of toothbrushes may be simultaneously operated. In the latter case, a plurality of detailed structures as shown in FIG. 6 must be provided in the mold.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.

100: toothbrush 101: handle portion
102: head portion 103: brush head mounting hole
110: mold body 111: inclined space portion
112: inclined side wall 113: through hole
115: safety pin 120: core
130: Simmo pin 140a, 140b: departure prevention block
150: connecting piece 160: actuator

Claims (7)

A mold body in which a head portion of the toothbrush to be manufactured to be inclined to the bristle mounting holes is loaded to one surface, and an inclined space portion having an inclined side wall inclined to be equal to the inclined gradient of the bristle mounting holes is formed therein;
A core disposed in the inclined space part and moving along the inclined side wall of the inclined space part; And
One end is fixed to the core, the remaining part is reciprocating through a plurality of through-holes formed in the mold body while the toothbrush head portion of the toothbrush comprising a plurality of shim pins for processing the bristle mounting holes Mold for manufacturing brush head mounting holes. The method of claim 1,
The core is a mold for manufacturing a bristle mounting hole of a toothbrush, characterized in that it comprises a pair of divided core blocks. The method of claim 2,
The core is in contact with the core blocks corresponding to the core blocks in the inclined space portion is moved together with the core blocks, the toothbrush further comprises a pair of escape prevention block for preventing the separation of the seam pins Mold for manufacturing brush head mounting holes. The method of claim 3,
The core block and the separation prevention block is a mold for manufacturing the bristle mounting hole of the toothbrush, characterized in that the corresponding screw coupling. The method of claim 1,
Is coupled to the core, the mold for manufacturing a bristle mounting hole of the toothbrush, characterized in that it further comprises a connection piece connected to the actuator for moving the core. The method of claim 5,
A protruding key is formed in the connecting piece, and a key groove in which the protruding key of the connecting piece is slidably coupled to the core is formed. The toothbrush manufactured by the mold of any one of claims 1 to 6, wherein the inclined bristle mounting holes to which the bristle of the toothbrush is mounted to be inclined are formed.

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