The content of the invention
In order to overcome shortcoming and defect present in prior art, it is an object of the invention to provide one kind to be used for oblique bristle
The mould of toothbrush, design structure is reasonable, easy to use, can greatly promote the production efficiency of toothbrush.
To achieve the above object, a kind of mould for oblique brush-finish toothbrush of the invention, including upper cores, match somebody with somebody with upper cores
The lower die closed, is provided with die cavity, upper cores or lower die are provided with the injection connected with die cavity between upper cores and lower die
Mouthful, in addition to the core rod of upper cores or lower die is installed in, core rod is located in die cavity, and lower die is detachably connected with multiple insert
Pin, multiple contact pins are through lower die and are located in die cavity, are intervally installed between multiple contact pins and core rod, two contact pins are remote
It is more than from the distance between die cavity one end close to the distance between die cavity one end.
Preferably, multiple contact pins include multiple first contact pins and multiple second contact pins, the first contact pin and the second contact pin
It is more than away from the distance between die cavity one end close to the distance between die cavity one end.
Preferably, the both sides of multiple first contact pins are respectively arranged with multiple second contact pins.
Preferably, the mould also includes push pedal, and push pedal is provided with through hole, and lower die is installed in through hole, core rod installing
In push pedal and protrude into die cavity.
Preferably, the mould also includes upper mounted plate and bottom plate, and push pedal is installed in upper mounted plate and bottom plate
Between, upper cores are installed in upper mounted plate, and lower die is installed in bottom plate, and lower die is located in through hole.
Preferably, the bottom plate includes above putting plate and supporting plate, above puts plate and is installed between push pedal and supporting plate, lower die
It is installed in and puts plate, supporting plate is equiped with the first pulling block, and the one end of the first contact pin, the second contact pin away from die cavity, which is run through, above puts plate simultaneously
It is connected with the first pulling block.
Preferably, the supporting plate is also equiped with the second pulling block, and the one end of the first contact pin away from die cavity is connected with the first pulling block,
The one end of second contact pin away from die cavity is connected with the second pulling block, the quantity at least two of the second pulling block, the first pulling block and second
It is intervally installed between pulling block, is intervally installed between the second adjacent pulling block.
Preferably, second pulling block slidably connects the 3rd pulling block, and supporting plate is provided with the slide opening for being installed with the 3rd pulling block, the
The one end of two contact pins away from die cavity is connected with the 3rd pulling block, and the second pulling block sets fluted, groove close to one end of the 3rd pulling block
Sliding block is inside provided with, the 3rd pulling block is installed in groove, and the 3rd pulling block is provided with close to one end of the second pulling block to be coordinated with sliding block
Chute.
Preferably, the core rod includes baffle plate, slide rail, actuator, slide plate and lock pin, and baffle plate, slide rail and actuator fill
Located at push pedal, slide plate slides are connected to slide rail, and lock pin is installed in slide plate, and baffle plate is between through hole and slide plate, and slide plate is positioned at gear
Between plate and actuator, one end of lock pin is located in die cavity, and the other end of lock pin is connected through baffle plate with slide plate, actuator and cunning
Plate connects.
Preferably, fixed plate includes top plate, water gap plate, train wheel bridge and the first guide pillar for being installed in top plate, the mouth of a river
Plate, train wheel bridge are slidably connected to the first guide pillar, and train wheel bridge is installed between water gap plate and push pedal, water gap plate be installed in top plate with it is upper
Between clamping plate, upper cores are installed in train wheel bridge, and cast gate connects through top plate, water gap plate, train wheel bridge with inlet;
The supporting plate includes underlying plate, square iron, bottom plate and the second guide pillar for being installed in bottom plate, above puts plate, underlying plate slides
The second guide pillar is connected to, plate is above put and is installed between push pedal and underlying plate, underlying plate, which is installed in, to be put between plate and square iron, square iron
It is installed between underlying plate and bottom plate, the second guide pillar is through square iron, underlying plate and is installed in and puts plate, and bottom plate is provided through bottom
The ejection hole of plate.
Beneficial effects of the present invention:During actual use, multiple contact pins are installed on lower die, core rod is fixed on upper mould
In benevolence or lower die, then upper cores are fastened on lower die and complete matched moulds.Material is injected into die cavity by inlet,
Toothbrush body after shaping is set on core rod and in the die cavity, after the completion for the treatment of injection molding, by contact pin move down and from
Extracted out in lower die so that skewed slot is formed on the toothbrush body of injection molding, and then oblique bristle can be installed in skewed slot, is compared
In traditional straight bristle, extend the length of bristle and the area of bristle face, it is ensured that more comfortable when user brushes teeth and toothbrushing effect
More preferably, mold design of the invention is rational in infrastructure, easy to use relative to traditional mould, can greatly promote toothbrush shell
Production efficiency.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and accompanying drawing
Bright, the content that embodiment refers to not is limitation of the invention.
Fig. 1, Fig. 2 and Fig. 3, a kind of mould for oblique brush-finish toothbrush of the invention, including upper cores 30 are referred to, it is and upper
The lower die 31 that die 30 coordinates, upper cores 30 snap together each other with lower die 31, between upper cores 30 and lower die 31
It is provided with die cavity(Not shown in figure), upper cores 30 or lower die 31 are provided with the inlet connected with die cavity(Do not show in figure
Go out), in the present embodiment, inlet is located in upper cores 30, in addition to the core rod being installed on the up or down die 31 of upper cores 30
5, core rod 5 is installed in die cavity, multiple contact pins is detachably connected with lower die 31, multiple contact pins are through lower die 31 and hold
It is located in die cavity, is intervally installed between multiple contact pins and core rod 5, two contact pins is more than away from the distance between die cavity one end
Close to the distance between die cavity one end.
During actual use, multiple contact pins are installed on lower die 31, core rod 5 is fixed on upper cores 30 or lower die 31
On, then upper cores 30 are fastened on lower die 31 and complete matched moulds.Material is injected into die cavity by inlet, after shaping
Toothbrush body be set on core rod 5 and in the die cavity, after the completion for the treatment of injection molding, contact pin is moved down and from lower die
Extracted out in 31 so that form skewed slot on the toothbrush body of injection molding(Not shown in figure), and then can be installed in skewed slot tiltedly
Bristle, compared to traditional straight bristle, extend the length of bristle and the area of bristle face, it is ensured that it is more comfortable when user brushes teeth and
Toothbrushing effect is more preferable, and mold design of the invention is rational in infrastructure, easy to use relative to traditional mould, can greatly promote tooth
The production efficiency of brush shell.
The mould for oblique brush-finish toothbrush also includes upper mounted plate, push pedal 2 and bottom plate, and push pedal 2 is installed in
Between fixed plate and bottom plate, upper cores 30 are arranged on upper mounted plate, and lower die 31 is arranged on bottom plate, push pedal 2
On be provided with through hole 20, through hole 20 runs through push pedal 2 along the vertical direction, and lower die 31 is located in through hole 20.Upper mounted plate is provided with
Cast gate 10, cast gate 10 connect through upper mounted plate with inlet, and core rod 5 is installed in push pedal 2 and projected into die cavity, multiple contact pins
One end away from die cavity is connected through lower die 31 and with bottom plate.
Fixed plate includes top plate 1, water gap plate 11, train wheel bridge 12 and the first guide pillar 13 being installed on top plate 1, water
Oralia 11, train wheel bridge 13 are slidably connected on the first guide pillar 13, and train wheel bridge 13 is installed between water gap plate 11 and push pedal 2, the mouth of a river
Plate 11 is installed between train wheel bridge 13 and top plate 1, and cast gate 10 connects by top plate 1, water gap plate 11, train wheel bridge 12 and inlet successively
Logical, top plate 1 is substantially in flat rectangle, certainly, top plate 1 can be also arranged to circular, pentagon or other shapes as needed
Shape, the first guide pillar 13 are substantially in the cylinder of strip, and the first guide pillar 13 can also be arranged as required into triangular pyramid, pentagonal pyramid
The other shapes such as shape.In the present embodiment, the quantity of the first guide pillar 13 is four, certainly, according to specific needs, people in the art
Member can increase or decrease the quantity of the first guide pillar 13, for example, the quantity of the first guide pillar 13 is reduced to one, or increase to
Six.
The water gap plate 11 is roughly the same with the shape of top plate 1, after the completion of the injection molding of toothbrush body, by top plate 1 together with
Water gap plate 11, which moves upwardly together, to be molded, then again by water gap plate 11 along the slide downward of the first guide pillar 13, by top plate 1 and water
Oralia 11 is separated, and then the residual material between top plate 1 and lower plate in runner is quickly and easily taken out, to note next time
The type of being moulded into is ready.
The upper cores 30 are fixed on the lower end of train wheel bridge 12, and the upper surface of train wheel bridge 12 is provided with dashpot 14, buffering
The cushion hole 15 connected with inlet is provided with groove 14, cast gate 10 is communicated to dashpot 14, cast gate through top plate 1, water gap plate 11
10 at the link position of dashpot 14 with cushion hole 15 with being intervally installed, and the material of injection flow to dashpot through cast gate 10
14, then buffered hole 15 is flowed into die cavity.By setting up dashpot 14, the flow velocity of injected plastics material is reduced so that injected plastics material
Interior gas evaporates as far as possible, it is ensured that the toothbrush body after injection molding does not have sand hole, lifts the finished product of toothbrush body
Quality.
In the present embodiment, the shape of the dashpot 14 is substantially in bending, extends injected plastics material in dashpot 14
Residence time, further aid in reducing the gas in injected plastics material.Further, since the flow velocity of injected plastics material, which reduces, can reduce toothbrush
The production efficiency of body, in order to not influence production efficiency on the premise of toothbrush body quality is ensured, it is preferable that in dashpot 14
Multiple cushion holes 15 are provided with, increase the amount for the injected plastics material being flowed into die cavity within the unit interval.
The upper cores 30 are substantially in rectangular-shape, and upper cores 30 are fixed on the lower surface of train wheel bridge 12.In order to
Prevent upper cores 30 and the lower setup error of die 31, in the present embodiment, the lower end of upper cores 30 is arranged with stopper slot 32, lower die
31 upper end is convexly equipped with limited block 33, and when upper cores 30 and lower 31 corresponding matching of die, limited block 33 is correspondingly installed in spacing
In groove 32.In the present embodiment, the area of the lower die 31 is gradually reduced along the direction away from bottom plate, it is ensured that lower die 31
It can move down and mold and then realize that toothbrush body separates with the disengaging of lower die 31, certainly, according to specific needs, this area skill
Art personnel can also increase the quantity of the stopper slot 32 of limited block 33/.
The bottom plate includes lower plate, square iron 42, bottom plate 43 and the second guide pillar 44 being installed on bottom plate 43, square iron
42 are arranged between lower plate and bottom plate 43, and the second guide pillar 44 is through square iron 42 and stretches out the upper surface of square iron 42, lower plate
The upper end of the second guide pillar 44 is slidably connected at, lower plate is arranged between push pedal 2 and square iron 42, and lower die 31 is installed in lower plate
Upper surface on, bottom plate 43 is provided through the ejection hole 49 of bottom plate 43.
The lower die 31 is substantially in rectangular-shape, is rapidly placed on for the ease of lower die 31 predetermined on lower plate
Position, in the present embodiment, depression 45 is provided with lower plate, depression 45 forms from the upper surface of lower plate is recessed, actual installation
When, lower die 31 is first placed in depression 45 by user, and lower die 31 is being fixed on lower plate by screw etc..
After the push pedal 2 is arranged on lower plate, lower die 31 goes out from projection in through hole 20, under core rod 5 is located at
The outside of die 31, upper cores 30 are fastened on lower die 31, and core rod 5 is provided with lock pin 50, and lock pin 50 is installed in upper cores 30
In the die cavity formed with lower die 31.After the completion of the mold injection molding of the present invention, toothbrush body is set on lock pin 50, when this
After the mould die sinking of invention, you can easily remove toothbrush body from lock pin 50.In the present embodiment, set on the core rod 5
Four lock pins 50 are equipped with, in this way, four toothbrush bodies are can obtain after the mould single injection-molded of the present invention, certainly, according to
Specific to need, those skilled in the art can also increase or decrease the quantity of lock pin 50, and then be obtained after setting single injection-molded
Toothbrush body quantity, for example, the quantity of lock pin 50 is reduced to one, or the quantity of lock pin 50 is increased to six.
Fig. 3 and Fig. 4 are referred to, the contact pin includes multiple first contact pins 60 and multiple second contact pins 61, and multiple first insert
Pin 60 is intervally installed with multiple second contact pins 61, and the distance between two first one end of contact pin 60 away from die cavity, which are equal to, to be leaned on
The distance between one end of near-lying mode chamber, user's opening position of corresponding first contact pin 60 on toothbrush body install straight bristle, profit
Can easily clean front tooth and its neighbouring tooth in oral cavity with straight bristle, two second one end of contact pin 61 away from die cavity it
Between distance be equal to close to the distance between one end of die cavity, between the first contact pin 60 and second one end of contact pin 61 away from die cavity
Distance be more than close to the distance between one end of die cavity, the opening position peace of user's corresponding second contact pin 61 on toothbrush body
Oblique bristle is filled, tooth most inboard in oral cavity can be easily cleaned using oblique bristle.
In the present embodiment, the both sides of multiple first contact pins 60 are respectively arranged with multiple second contact pins 61, in this way, passing through
The opening position of corresponding second contact pin 61 installs oblique bristle on toothbrush body, further one toothbrush upper bristle face of auxiliary increase
Area, it is ensured that toothbrush can cover more teeth, compared to the toothbrush of straight bristle, may insure to brush using the identical time
Tooth effect is more preferable.
First pulling block 62 is installed, the first contact pin 60 is pacified with second one end of contact pin 61 away from die cavity on the lower plate
Dress is fixed on the first pulling block 62, and when assembling mould, the first contact pin 60 and the second contact pin 61 first are fixed on into the first pulling block
On 62, then by the first pulling block 62 together with the first contact pin 60, the second contact pin 61 be arranged on lower plate on, by setting the first pulling block
62, facilitate the first contact pin 60, second contact pin 61 to remove and install.Because the first contact pin 60, the size of the second contact pin 61 are smaller,
Be inconvenient to pick up and assemble, as needed, those skilled in the art can also be by the first contact pin 60, the integrated through injection molding of the second contact pin 61
It is molded in the first pulling block 62.
The upper end of the lower plate is equiped with the second pulling block 63, and first one end of contact pin 60 away from die cavity is pulled out installed in first
On block 62, second one end of contact pin 61 away from die cavity is arranged on the second pulling block 63, by setting up the second pulling block 63 so that first
The contact pin 61 of contact pin 60 and second is separately independently mounted on lower plate, when simplifying the first contact pin 60 of installation, the second contact pin 61 simultaneously
Required adjustment contraposition process so that the first contact pin 60, the assembling of the second contact pin 61 are simpler, quick.
In the present embodiment, the quantity at least two of second pulling block 63, it can install on every one second pulling block 63 more
Individual second contact pin 61, it is intervally installed between the first pulling block 62 and the second pulling block 63, it is same between the second adjacent pulling block 63
It is intervally installed, in installation process, avoids between the first pulling block 62 and the second pulling block 63 or adjacent two second are pulled out
Specific erection schedule that is impinging one another and influenceing whole mould occurs between block 63.
One end of second pulling block 63 slidably connects the 3rd pulling block 64, and the other end of the second pulling block 63 is fixed on
The upper end of lower plate, is provided with the slide opening 46 for being installed with the 3rd pulling block 64 on lower plate, the one end of the second contact pin 61 away from die cavity with
3rd pulling block 64 connects.When lower plate moves down die sinking together with the second pulling block 63, the second pulling block 63 is together with being connected thereto
The 3rd pulling block 64 together moves down, because the distance between the first contact pin 60 and second one end of contact pin 61 away from die cavity are big
In the distance between one end of close die cavity, and the first contact pin 60 is vertically installed on lower plate, and now the second contact pin 61 is with erecting
Nogata to angle be acute angle, by the downward movement of the 3rd pulling block 64 be decomposed into along the length direction of the second contact pin 61 move and edge
The movement of the left and right directions of slide opening 46, it is ensured that the 3rd pulling block 64 smoothly molds together with the second contact pin 61.
Fig. 2, Fig. 3 and Fig. 4 are referred to, second pulling block 63 is recessed close to one end of the 3rd pulling block 64 setting fluted 65
Groove 65 runs through the second pulling block 63 in left-right direction, is integrally convexly equipped with sliding block 66 in the side wall of groove 65, the 3rd pulling block 64 is installed in
In groove 65, the 3rd pulling block 64 is provided with the chute 67 coordinated with sliding block 66 close to one end of the second pulling block 63, and chute 67 is from the
The outer surface of three pulling blocks 64 is recessed to be formed.When the second pulling block 63 drives the 3rd pulling block 64 to move down, the 3rd pulling block 64 is recessed
The movement relative to the second pulling block 63 is realized by the cooperation of chute 67 and sliding block 66 in groove 65, avoids the 3rd pulling block 64 from being pulled out by second
Block 63 is stuck and can not move down, and causes mould to mold.According to specific needs, those skilled in the art can set up cunning
The quantity of the chute 67 of block 66/, for example, the two lateral walls in groove 65 are convexly equipped with sliding block 66, relative the two of the 3rd pulling block 64
The recessed chute 67 in side, further aid in the second pulling block 63 to be realized with the 3rd pulling block 64 and smoothly relatively move.
In the present embodiment, lower plate includes above putting plate 40 and underlying plate 41, above puts plate 40 and is installed in push pedal 2 and underlying plate 41
Between, underlying plate 41, which is installed in, to be put between plate 40 and square iron 42, and square iron 42 is installed between underlying plate 41 and bottom plate 43, lower mould
Benevolence 31 is arranged on the upper end for above putting plate 40, and depression 45 is arranged on the upper end for putting plate 40, and slide opening 46 is in depression 45, slide opening 46
Run through along the vertical direction and above put plate 40.Second pulling block 63 is fixedly mounted on underlying plate 41, and the 3rd pulling block 64, which is contained in, puts plate
In 40 slide opening 46, for the ease of the installation of the second pulling block 63, the upper end of underlying plate 41 is arranged with multiple pits 47, and every one second
Pulling block 63 is corresponding to be arranged in a pit 47.
The core rod 5 includes baffle plate 51, slide rail 52 and the actuator 53 being arranged in push pedal 2, is slidably connected at slide rail 52
On slide plate 54, the lock pin 50 being installed on slide plate 54, baffle plate 51 is installed between through hole 20 and slide plate 54, and slide plate 54 is installed in
Between baffle plate 51 and actuator 53, one end of lock pin 50 is installed in die cavity, and the other end of lock pin 50 runs through baffle plate 51 and slide plate
54 are linked together, and actuator 53 is connected with slide plate 54.After upper mounted plate moves up die sinking together with upper cores 30, upper cores
30 are separated with toothbrush body, and push pedal 2 is moved up into die sinking together with core rod 5, now also can be by bottom plate together with lower die 31
Move down die sinking, realize lower die 31 and the separation of toothbrush body, then actuator 53 pulls slide plate 54 along slide rail 52 towards remote
Direction from through hole 20 is moved, and slide plate 54 moves together with lock pin 50, and lock pin 50 first moves together with toothbrush body, works as tooth
After body of the brush is moved to the position of baffle plate 51, toothbrush body is blocked by baffle plate 51, and lock pin 50 continues to move to, until lock pin 50 is from toothbrush
Extracted out in main body so that toothbrush body freely drops.
In the present embodiment, two square iron 42 being intervally installed are equiped with the bottom plate 43, above put plate 40, underlying plate
41 are slidably connected on the second guide pillar 44;The assembling between plate 40, underlying plate 41, push pedal 2, train wheel bridge 12 is above put for convenience,
And also to prevent train wheel bridge 12, push pedal 2, on put between plate 40, underlying plate 41 relative slip, be also equiped with underlying plate 41
3rd guide pillar 48, the 3rd guide pillar 48, which runs through, above to be put plate 40, push pedal 2 and extends into train wheel bridge 12.Certainly, according to specific needs,
Those skilled in the art the first guide pillar 13 can also be sequentially passed through water gap plate 11, train wheel bridge 12, push pedal 2, on put plate 40, underlying
Plate 41 is simultaneously extended into square iron 42.
Fig. 1, Fig. 2 and Fig. 6 are referred to, mould of the invention also includes ejecting mechanism 7, and ejecting mechanism 7 is arranged on underlying plate
Between 41 and bottom plate 43, and ejecting mechanism 7 between two square iron 42, i.e., square iron 42 is located at the outside of ejecting mechanism 7, it is ensured that
Extraneous object will not touch ejecting mechanism 7, avoid ejecting mechanism 7 from being damaged because of collision, and then extend making for ejecting mechanism 7
Use the life-span.Certainly, square iron 42 can be also arranged to one by those skilled in the art, and the open-work of up/down perforation is set on square iron 42
(Not shown in figure), ejecting mechanism 7 is installed with open-work.
The ejecting mechanism 7 includes the liftout plate 70 being installed on bottom plate 43, and liftout plate 70 is arranged on underlying plate 41 and bottom
Between plate 43, liftout plate 70 is located between two square iron 42, the thimble 71 being installed on liftout plate 70, and thimble 71, which runs through, above puts plate
40th, underlying plate 41 is for holding push pedal 2.When needing push pedal 2 to move up to be molded, using extraneous object through ejection
Hole 49 moves up liftout plate 70, and liftout plate 70 moves up together with thimble 71, and thimble 71 passes through and above puts plate 40, underlying plate 41
Perforation and withstand on the lower surface of push pedal 2, and then push pedal 2 is moved up, so that toothbrush body is de- with lower die 31
Open separation.As needed, those skilled in the art can also increase the quantity of thimble 71 so that the opposite end of push pedal 2 is right
Thimble 71 should be set, on the one hand increase the ejecting force of push pedal 2, accelerate the translational speed of push pedal 2;On the other hand it is also possible that pushing away
The both ends of plate 2 substantially stress equalization, it is ensured that push pedal 2 is smoothly moved.
In the present embodiment, elastic component 72 is also arranged with the thimble 71, elastic component 72 is installed in underlying plate 41 and ejection
Between plate 70, row buffering is entered to ejecting force using elastic component 72, the larger ejecting force for avoiding being subject on liftout plate 70 is directly through top
Pin 71 is delivered in push pedal 2, anti-thrust plate 2 because being caused service life to decline by larger ejecting force, or anti-thrust plate 2 by
To larger ejecting force be delivered in toothbrush body and cause toothbrush body to damage.
Limited post 73 is also equipped with the liftout plate 70, limited post 73 is from liftout plate 70 towards close to the direction of underlying plate 41
Extension forms, and is arranged at intervals between the lower surface of the upper surface of limited post 73 and underlying plate 41, liftout plate 70 together with thimble 71 and
Limited post 73 moves up, and after limited post 73 is connected on underlying plate 41, liftout plate 70 can not continue to move up, and now push up
Push pedal 2 is moved upwards up to predetermined desired position by pin 71.By setting up limited post 73, it is ensured that ejecting mechanism 7 is without upwards
It is excessively mobile, so that ejecting mechanism 7 can complete required ejection operation, further service hoisting using the most short time
The production efficiency of toothbrush body.
Understand that the present invention is to have above-described good characteristic in summary, be able to make it upper in use, promote conventional
The efficiency that does not have in technology and there is practicality, turn into the product of a great practical value.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.