CN208096391U

CN208096391U - A kind of toothbrush and its manufacture mold

Info

Publication number: CN208096391U
Application number: CN201721506638.8U
Authority: CN
Inventors: 蒋宇振; 段苏华; 王亮; 陈园
Original assignee: Jc Ya Bo Biotechnology Co Ltd
Current assignee: Jc Ya Bo Biotechnology Co Ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2018-11-16
Anticipated expiration: 2027-11-13
Also published as: WO2019090795A1

Abstract

The utility model relates to a kind of toothbrush and its manufacture molds, the toothbrush is by brush handle, handle head and bristle composition, the handle head and bristle are to be integrally formed thermoplasticity material bristle and handle head by Shooting Technique to constitute, wherein it is dichotomous double pointed structure that the bristle is top.The utility model uses a kind of double pointed hair toothbrush with integral molded plastic formula, one times of high-quality green tea increase in density, the contact area of bristle and dental surface is increased, cleaning dynamics significantly improves, the pressure for gum and enamel is also mitigated simultaneously, and cleaning process is more comfortable.The bristle configurations that the utility model can use root thickness tapering, not only ensure that bristle dynamics but also had reduced bristle stiffness, and be more advantageous to and take care of one's teeth and bristle is made to be not easy to lodge.

Description

A kind of toothbrush and its manufacture mold

Technical field

The utility model relates to a kind of toothbrush and its manufacture mold, in particular to a kind of integrated molding formula toothbrush and its manufactures Mold.

Background technique

Traditional toothbrush head currently on the market generally uses nylon yarn to be implanted into, and nylon yarn implanted toothbrush is due to manufacturing work The reason of skill is determined, in the place that nylon yarn is contacted with head toothbrushes, there are different degrees of gaps and cavity, easily breed thin Bacterium, there are countless corner or spot as yet untouched by a clean-up campaign not easy cleanings, and nylon brush hair needs to be tied up with aluminium wire in implantation process, and everybody knows Road aluminium is the active metal of comparison, is easy to react with soda acid, generates aluminium salt, aluminium can generate the eubolism of human body cell Irreversible harm.Therefore toothbrush is needed to be replaced frequently, to meet the needs of oral hygiene.Meanwhile nylon brush thread is producing A large amount of nylon micronic dust can be generated in the process, and non-degradable, also have an adverse effect to environment.

In order to improve the cleannes and comfort level of nylon brush thread, Japan, which has directlyed adopt, increases the method progress for planting gross density It solves roughly, this is tantamount to again increase countless corner or spot as yet untouched by a clean-up campaign.It is by the point of a brush filament originally on other products End has carried out crushing processing, but keeps head excessively soft again in this way, and comfort level rises, and cleaning force is but affected.

Chinese patent ZL201310338071.8 discloses " a kind of monoblock type antibacterial toothbrush and its forming manufacture technique ", though The right invention makes the seamless no hole of head surface by compound adhesive process, but its bristle planting density and the cleaning to tooth Dynamics is still the contradiction for being difficult to balance, and bristle density is small, and it is hygienic to be easy to keep toothbrush, but reduce cleaning dynamics to tooth and Comfort level.

Summary of the invention

To solve the problems, such as that prior art, one of the purpose of this utility model are to provide a kind of raising cleaning dynamics With the toothbrush of comfort level, so that bristles tip is more soft, cleaning dynamics is promoted at double, while being reduced to gum and enamel Injury.

The another object of the utility model be to provide it is a kind of using Shooting Technique by thermoplasticity material bristle and handle head one Body formed technology manufactures the mold of the toothbrush, and the mold is convenient for making and produce convenient for toothbrush.

A kind of toothbrush is by brush handle, handle head and bristle composition, and the handle head and bristle are incited somebody to action by Shooting Technique Thermoplasticity material bristle and handle head, which are integrally formed, to be constituted, wherein it is dichotomous double pointed structure that the bristle is top.

A kind of toothbrush manufacture mold, is to inlay fastening by cope plate, lower template and mold core to constitute.Wherein, described upper Template includes that handle head inlays chamber and feed inlet, and the handle head is embedded in handle head and inlays intracavitary, handle head installation bristle Position at be net screen type structure, can be advisable by thermoplastic material；Lower template includes that mold core inlays chamber；The mold core is It is fitted closely and is constituted by fixing bolt and fixation hole by one and half bristle matrixs, the mold core after fitting closely is embedded in above-mentioned mold core It inlays intracavitary.

The mold core is to be fitted closely to constitute by fixing bolt and fixation hole by one and half bristle matrixs, every half bristle Half slot of bristle is offered on matrix, the bristle top tip part of half slot of bristle has dual-cavity, and adjacent half bristle matrix, which is matched, to be combined into Complete bristle injecting hole.

The utility model uses a kind of double pointed hair toothbrush with integral molded plastic formula, one times of high-quality green tea increase in density, increases The contact area of bristle and dental surface, cleaning dynamics significantly improve, while also mitigating the pressure for gum and enamel, Cleaning process is more comfortable.The bristle configurations that the utility model can use root thickness tapering, not only ensure that bristle dynamics but also had reduced Bristle stiffness, is more advantageous to and takes care of one's teeth and bristle is made to be not easy to lodge.

Detailed description of the invention

Fig. 1 is the schematic diagram in kind that the utility model is integrally formed formula toothbrush；

Fig. 2 is the top diagrammatic cross-section for dichotomous double pointed structure of the utility model bristle；

Fig. 3 is the structural schematic diagram before the assembling of the utility model mold；

Fig. 4 is the structural schematic diagram of the utility model mold core；

Fig. 5 is a kind of structural schematic diagram of mold core embodiment of the utility model；

Fig. 6 is the toothbrush material object schematic diagram using the production of Fig. 5 mold core.

Specific embodiment

In the following description, in order to make the reader understand this application better, many technical details are proposed.But this The those of ordinary skill in field is appreciated that even if without these technical details and many variations based on the following respective embodiments And modification and each claim of the application technical solution claimed.

It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer The embodiment of type is described in further detail.

As shown in Figure 1, a kind of toothbrush, is made of handle head 200 and bristle 20, the handle head and bristle are to pass through Thermoplasticity material bristle and handle head are integrally formed and constitute by Shooting Technique, wherein the bristle top 21 is dichotomous double pointed Structure.The array of bristle arrangements of the top dichotomous double pointed structure of bristle can be straight-line, cross arrangement mode or be Rotary bristle arrangements.The thermoplastic material can be TPU (thermoplastic polyurethane elastomer rubber), styrene polymerization Object, polyolefin, polyester, cellulose derivative, polyamide, polymethyl methacrylate, polycarbonate, polyformaldehyde, polyvinyl fluoride, One of polyurethane, bamboo charcoal or nano silver are added in above-mentioned thermoplastic material can more inhibit the growth of bacterium.

It more clearly, is the top diagrammatic cross-section for dichotomous double pointed structure of the utility model bristle such as Fig. 2, it is described The top bifurcated of every bristle after the high-quality green tea diameter that is formed can be 0.005 to 0.02 millimeter.

As shown in figure 3, a kind of toothbrush manufactures mold, it is that structure is inlayed by cope plate 100, lower template 300 and mold core 400 At.Wherein, the cope plate includes that handle head inlays chamber 101 and feed inlet 102, and the handle head 200 is embedded in brush handle Head inlay it is intracavitary, handle head install bristle position at 201 be net screen type structure, be advisable with that can be molded by thermoplastic material； Lower template includes that mold core inlays chamber 301；The mold core is to pass through fixing bolt 402 and fixation hole by one and half bristle matrixs 401 403 fit closely composition, the mold core after fitting closely be embedded in above-mentioned mold core inlay it is intracavitary.

As shown in figure 4, offering half slot 411 of bristle, the bristle on every half bristle matrix 401 in the mold core The bristle top tip part of half slot 411 has dual-cavity, and the depth of the dual-cavity can be 0.01 to 0.03 millimeter, adjacent half bristle matrix Fit closely the complete bristle injecting hole of composition.The half bristle matrix can offer half slot of bristle with precision grinder, molding It is 0.8mm that bristle injection molding bore dia afterwards, which can be bristle root, and middle part 0.58mm, bristle top tip part is 0.3mm, bristle note Mole is with each other away from can be 0.4-0.6mm.Half slot of bristle, shape can be V-groove or U-type groove.For the ease of demoulding, Reduction in the numbers of seconds can be equipped with diamond film coating layer in half slot of bristle of the half bristle matrix or carry out titanizing processing.According to brush Straight-line or cross arrangement mode can be used in half slot of bristle described in hair arrangement mode.

Fig. 5 is the yet another embodiment of the utility model, as shown, taking brush of the above-mentioned mold core bristle top tip part as this example The top forming module 400 of hair, mold core can also be inlayed by the bristle root for being covered with injecting hole and inlay mould in the middle part of module 600 and bristle Block 500 fits closely composition after matching with the top 400 hole hole of forming module of the bristle；The bristle root inlay module, The diameter that injecting hole in module and the top forming module of bristle is inlayed in the middle part of bristle top from bristle root to bristle can be passed Subtract.Hole number is molded in above-mentioned each module to be matched with corresponding brush handle area of bed.

As shown in fig. 6, the schematic diagram in kind of the toothbrush using the production of Fig. 5 mold core, wherein bristle formed after injection molding can be with It is three-stage, is also possible to two-period form.

Although by referring to certain preferred embodiments of the utility model, the utility model has been shown and Description, but it will be understood by those skilled in the art that can to it, various changes can be made in the form and details, without inclined Spirit and scope from the utility model.

Claims

1. a kind of toothbrush manufactures mold, which is characterized in that the toothbrush manufacture mold is inlayed by cope plate, lower template and mold core Buckle, which closes, to be constituted, wherein the cope plate includes that handle head inlays chamber and feed inlet, and the handle head is embedded in handle head Inlay it is intracavitary, handle head install bristle position at be net screen type structure, can be advisable by thermoplastic material；The lower die Plate includes that mold core inlays chamber；The mold core is to be fitted closely to constitute by fixing bolt and fixation hole by one and half bristle matrixs, Mold core after fitting closely, which is embedded in the mold core, to be inlayed and offers bristle half on every intracavitary, described half bristle matrix Slot, the bristle top tip part of half slot of bristle have dual-cavity, and adjacent half bristle matrix, which is matched, is combined into complete bristle injecting hole.

2. toothbrush according to claim 1 manufactures mold, which is characterized in that the bristle top tip part of half slot of bristle has depth The dual-cavity that degree is 0.01 to 0.03 millimeter.

3. toothbrush according to claim 1 manufactures mold, which is characterized in that take the mold core bristle top tip part as brush The top forming module of hair, the mold core are inlayed by the bristle root for being covered with injecting hole and inlay module and institute in the middle part of module and bristle Composition is fitted closely after stating the matching of bristle top forming module hole hole.

4. toothbrush according to claim 3 manufactures mold, which is characterized in that inlay module, bristle in the bristle root The diameter that injecting hole in module and the top forming module of bristle is inlayed at middle part top from bristle root to bristle successively decreases.