CN105619719A - Mold for toothbrush shell - Google Patents

Abstract

The invention relates to the technical field of injection molds, and in particular, discloses a mold for a toothbrush shell. The mold comprises an upper mold core, and a lower mold core matched with the upper mold core; a mold cavity is formed between the upper mold core and the lower mold core; and the upper mold core or the lower mold core is provided with an injection port communicated with the mold cavity. The mold further comprises a first mold core mounted on the upper mold core or the lower mold core, and a second mold core mounted on the upper mold core or the lower mold core; the upper mold core and the lower mold core are both positioned between the first mold core and the second mold core; the first mold core is slideably connected to the upper mold core or the lower mold core; the second mold core is provided with a convex column; the convex column is positioned in the mold cavity; and the first mold core is matched with the convex column. After the mold finishes the injection molding, the first mold core slides in a direction far from the second mold core, and is deviated and separated from the second mold core, so that users can conveniently and quickly take down the toothbrush shell sleeving the convex column; the mold is reasonable in structural design; and compared with a traditional mold, the mold can greatly enhance the production efficiency of the toothbrush shell.

Description

A kind of mould for toothbrush shell

Technical field

The present invention relates to injection mold technical field, in particular disclose a kind of mould for toothbrush shell.

Background technology

Toothbrush in the market is divided into two big classes, and a class is traditional ordinary toothbrush, this type of toothbrush need user hand-held toothbrush moves back and forth cleaning tooth in oral cavity; Another kind of is toothbrush, and oral cavity put into by the hand-held toothbrush of user, by the rotation of toothbrush self and vibrations cleaning tooth. Compared to ordinary toothbrush, toothpaste is resolved into trickle foam by toothbrush energy moment, deeply clean teeth space, the vibration of bristle can promote the blood circulation in oral cavity, toothbrush gingiva tissue had beyond thought massage effect, additionally, can also more thoroughly be removed dental plaque, reduce gingivitis and gingival hemorrhage, therefore, toothbrush obtains increasingly using widely.

In the process producing toothbrush, owing to battery and control element are installed in toothbrush shell by needs, therefore, the requirement producing toothbrush shell is corresponding also just relatively high, existing mould is mostly used for producing common toothbrush, it is necessary to changes through many-side and could produce required toothbrush shell, so will result in mould structure complexity, use extremely inconvenience, have a strong impact on the production efficiency of toothbrush shell.

Summary of the invention

In order to overcome the shortcoming and defect existed in prior art, it is an object of the invention to provide a kind of mould for toothbrush shell, design rational in infrastructure, relative to traditional mould, the production efficiency of toothbrush shell can be greatly promoted.

For achieving the above object, a kind of mould for toothbrush shell of the present invention, including upper cores, the lower die coordinated with upper cores, it is provided with die cavity between upper cores and lower die, upper cores or lower die are provided with the inlet connected with die cavity, also include the first core rod being installed in upper cores or lower die, it is installed in the second core rod of upper cores or lower die, upper cores, lower die is respectively positioned between the first core rod and the second core rod, first core slide is connected to upper cores or lower die, second core rod is provided with projection, projection is positioned at die cavity, first core rod coordinates with projection.

Preferably, described mould also includes push pedal, and the first core rod, lower die and the second core rod are assembled on push pedal, and the first core rod includes the first slide block being slidably connected to push pedal, and the first slide block coordinates with projection.

Preferably, described mould also includes upper mounted plate, bottom plate, and push pedal is installed between upper mounted plate and bottom plate, and upper cores is installed in upper mounted plate, and lower die is installed in bottom plate, and push pedal is provided with through hole, and lower die is positioned at through hole.

Preferably, described first core rod also includes the first slide rail, drives plate, first slide rail is installed in push pedal, first skid is connected to the first slide rail, first slide block is provided with skewed slot, skewed slot downwards and forms towards the direction extension away from through hole from the first slide block, drives plate to be installed in upper mounted plate, drives plate to be provided with the skewback being installed in skewed slot.

Preferably, described second core rod includes baffle plate, the second slide rail, actuator and the second slide block, baffle plate, the second slide rail and actuator are assembled on push pedal, second slide block is installed in the second slide rail, baffle plate is between through hole and the second slide block, second slide block is between block and actuator, and projection runs through baffle plate away from one end of the first core rod and is connected to the second slide block, and actuator and the second slide block connect.

Preferably, described second core rod also includes the 3rd slide block and looses core, 3rd skid is connected to the second slide rail, 3rd slide block is installed between the second slide block and actuator, projection is provided with guide groove, loosing core and be installed in guide groove, loose core and run through the second slide block near one end of the 3rd slide block and be connected to the 3rd slide block, actuator and the 3rd slide block connect.

Preferably, described projection is provided with the recess connected with guide groove, is equiped with projection in recess, looses core and is provided with chute, and chute forms towards the direction extension away from the 3rd slide block and recess, and projection is connected to chute.

Preferably, fixed plate includes top board, water gap plate, train wheel bridge and is installed in the first guide pillar of top board, water gap plate, train wheel bridge are slidably connected to the first guide pillar, water gap plate is installed between top board and train wheel bridge, train wheel bridge is installed between water gap plate and push pedal, upper cores is installed in train wheel bridge, and top board is provided with cast gate, and cast gate connects with inlet through top board, water gap plate, train wheel bridge.

Preferably, described bottom plate includes lower plate, supporting plate and is installed in the second guide pillar of supporting plate, and lower plate is slidably connected to the second guide pillar, and lower plate is installed between push pedal and supporting plate, and lower die is installed in lower plate.

Preferably, described supporting plate includes base plate and is installed in the square iron of base plate, second guide pillar is installed in base plate and runs through square iron, square iron is installed between lower plate and base plate, described mould also includes ejecting mechanism, ejecting mechanism is installed between lower plate and base plate, square iron is positioned at the outside of ejecting mechanism, ejecting mechanism includes liftout plate, thimble and elastic component, liftout plate is installed in base plate, liftout plate is between lower plate and base plate, thimble is installed in liftout plate for holding push pedal, lower plate is provided with the perforation coordinated with thimble, thimble is positioned at perforation, elastic component is sheathed on thimble, elastic component is between lower plate and liftout plate, base plate be provided with appear liftout plate eject hole.

Beneficial effects of the present invention: time actually used, is arranged on the first core rod, the second core rod on upper cores or lower die, and upper cores, by projection and card slot fit, is installed on lower die and completes matched moulds by first core rod that slides. By inlet, material is injected in die cavity, toothbrush casing after molding is located on projection and is positioned at die cavity, after injection mo(u)lding completes, by upper cores upwards die sinking so that upper cores separates with toothbrush shell, first core rod that slides makes the first core rod and the second core rod separate disengagement, the toothbrush shell being set on projection can be taken off by user quickly and easily, the Design of Dies of the present invention is rational in infrastructure, relative to traditional mould, can be greatly promoted the production efficiency of toothbrush shell.

Accompanying drawing explanation

Fig. 1 is the perspective view of the present invention;

Fig. 2 is the decomposition texture schematic diagram of the present invention;

Fig. 3 is the decomposition texture schematic diagram of the train wheel bridge of the present invention, upper cores, the first core rod, the second core rod, push pedal, lower die and lower plate;

Fig. 4 is the decomposition texture schematic diagram driving plate, the first core rod and the second core rod of the present invention;

Fig. 5 is the projection of the present invention, looses core and the decomposition texture schematic diagram of projection;

Fig. 6 is the perspective view of the ejecting mechanism of the present invention.

Accompanying drawing labelling includes:

1 top board 10 cast gate 11 water gap plate

12 train wheel bridge 120 dashpot 121 cushion holes

122 fixture block 123 groove 13 first guide pillars

14 first card article 15 second card articles 16 drive plate

17 skewback 2 push pedal 20 through holes

30 31 times dies of upper cores 300 stopper slot

310 limited block 311 catch 40 the 3rd card articles

41 the 4th card article 42 lower plate 420 grooves

421 perforation 43 square iron 44 base plates

440 eject hole 45 second guide pillar 46 the 3rd guide pillar

5 first core rod 50 first slide block 51 draw-in grooves

52 first slide rail 53 skewed slot 6 second core rods

60 projection 600 guide grooves 601 are loosed core

602 recess 603 projection 604 chutes

61 baffle plate 62 second slide rail 63 actuators

64 second slide block 65 the 3rd slide block 7 ejecting mechanisms

70 liftout plate 71 thimble 72 elastic components

73 limited posts.

Detailed description of the invention

For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.

Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of mould for toothbrush shell of the present invention, including upper cores 30, the lower die 31 coordinated with upper cores 30, upper cores 30 and lower die 31 snap together each other, it is provided with die cavity (not shown) between upper cores 30 and lower die 31, upper cores 30 or lower die 31 are provided with the inlet (not shown) connected with die cavity, in the present embodiment, inlet is positioned in upper cores 30, also include the first core rod 5 and the second core rod 6 being installed in upper cores 30 or on lower die 31, upper cores 30, lower die 31 is respectively positioned between the first core rod 5 and the second core rod 6, first core rod 5 is slidably connected in upper cores 30 or on lower die 31, second core rod 6 is provided with projection 60, projection 60 is installed in die cavity, first core rod 5 is provided with the draw-in groove 51 coordinated with projection 60.

Time actually used, being arranged in upper cores 30 or on lower die 31 by first core rod the 5, second core rod 6, projection 60 and draw-in groove 51 are combined together by first core rod 5 that slides, and upper cores 30 are installed on lower die 31 and complete matched moulds. By inlet, material is injected in die cavity, toothbrush casing after molding is located on projection 60 and is positioned at die cavity, after injection mo(u)lding completes, by upper cores 30 upwards die sinking, upper cores 30 is separated with toothbrush shell, first core rod 5 that slides makes the first core rod 5 separate disengagement with the second core rod 6, the toothbrush shell being set on projection 60 can be taken off by user quickly and easily, the Design of Dies of the present invention is rational in infrastructure, relative to traditional mould, the production efficiency of toothbrush shell can be greatly promoted.

Referring to Fig. 2 and Fig. 3, the described mould for toothbrush shell also includes upper mounted plate, push pedal 2 and bottom plate, and push pedal 2 is installed between upper mounted plate and bottom plate, and upper mounted plate is provided with cast gate 10, and cast gate 10 connects with inlet through upper mounted plate. Upper cores 30 is arranged on upper mounted plate, lower die 31 is arranged on bottom plate, push pedal 2 is provided through the through hole 20 of push pedal 2, lower die 31 is positioned at through hole 20, first core rod 5 and the second core rod 6 are installed in push pedal 2, and first core rod the 5, second core rod 6 lays respectively at the left and right sides of through hole 20.

Described first core rod 5 includes the first slide block 50 being slidably connected in push pedal 2, and draw-in groove 51 is positioned at first slide block 50 side near the second core rod 6, and projection 60 projects near the side of the first core rod 5 from the second core rod 6 and forms.

Fixed plate includes top board 1, water gap plate 11, train wheel bridge 12 and be installed in the first guide pillar 13 on top board 1, water gap plate 11 is installed between top board 1 and train wheel bridge 12, train wheel bridge 12 is installed between water gap plate 11 and push pedal 2, upper cores 30 is arranged on the lower end of train wheel bridge 12, cast gate 10 sequentially passes through top board 1, water gap plate 11, train wheel bridge 12 connects with inlet, top board 1 is substantially in flat rectangle, certainly, also top board 1 can be arranged to circle as required, pentagon or other shape, first guide pillar 13 is substantially the cylinder of strip, first guide pillar 13 also can be arranged as required to into triangular pyramid, other shapes such as pentagonal pyramid shape. in the present embodiment, the quantity of the first guide pillar 13 is four, and certainly, according to specific needs, those skilled in the art can increase or reduce the quantity of the first guide pillar 13, for instance, the quantity of the first guide pillar 13 is reduced to one, or increases to six.

Described water gap plate 11 is roughly the same with top board 1 shape, water gap plate 11 is slidably connected on the first guide pillar 13, after the injection mo(u)lding of toothbrush shell completes, top board 1 is moved upwardly together together with water gap plate 11 and carries out die sinking, then again by water gap plate 11 along the first guide pillar 13 slide downward, top board 1 is separated with water gap plate 11, and then the residual material in runner between top board 1 and lower plate 42 is taken out quickly and easily, ready for injection mo(u)lding next time.

Described train wheel bridge 12 is slidably connected on the first guide pillar 13, the upper surface of train wheel bridge 12 is provided with dashpot 120, the cushion hole 121 connected with inlet it is provided with in dashpot 120, cast gate 10 is communicated to dashpot 120 through top board 1, water gap plate 11, the link position place of cast gate 10 and dashpot 120 and cushion hole 121 are intervally installed, the material of injection moulding flow to dashpot 120 through cast gate 10, is flowed in die cavity then through cushion hole 121. By setting up dashpot 120, reduce the flow velocity of injected plastics material so that the gas in injected plastics material evaporates as far as possible, it is ensured that the toothbrush shell after injection mo(u)lding does not have sand hole, promote the end product quality of toothbrush shell.

In the present embodiment, the shape of described dashpot 120, substantially in V-shape, extends the injected plastics material time of staying in dashpot 120, and auxiliary reduces the gas in injected plastics material further; Certainly as required, dashpot 120 can also be arranged to the shape such as Z-type, H type by those skilled in the art. In addition, owing to the flow velocity reduction of injected plastics material can reduce the production efficiency of toothbrush shell, in order to not affect production efficiency under the premise ensureing toothbrush outer cover quality, it is preferable that, it is provided with multiple cushion hole 121 in dashpot 120, within the unit interval, increases the amount of the injected plastics material being flowed in die cavity.

Refer to Fig. 1 and Fig. 2, fit together quickly and accurately in order to ensure fixed plate, push pedal 2, bottom plate, in the present embodiment, the outside of water gap plate 11 is provided with the first card article 14 and the second card article 15 being spaced and be arrangeding in parallel, the outside of train wheel bridge 12 is provided with fixture block 122, being provided with multiple hole clipping (not shown) on fixture block 122, the first card article 14 is inserted in one of in hole clipping and extends to bottom plate. The outside of bottom plate is provided with the 3rd card article 40 and the 4th card article 41 being spaced and be arrangeding in parallel, and the 3rd card article 40 is inserted in another hole clipping, and the 3rd card article 40 extends to train wheel bridge 12 and stretches out fixture block 122; 4th card article 41 extends to train wheel bridge 12 and is provided with breach (not shown), and the second card article 15 extends to train wheel bridge 12 and is installed in breach.

Referring to Fig. 2 and Fig. 3, described train wheel bridge 12 is provided with groove 123, and groove 123 forms from the lower surface of train wheel bridge 12 is recessed, and groove 123 runs through train wheel bridge 12 in left-right direction, and upper cores 30 is substantially in rectangular-shaped, and upper cores 30 is arranged in groove 123. In order to prevent upper cores 30 and lower die 31 setup error, in the present embodiment, the lower end of upper cores 30 is arranged with stopper slot 300, and the upper end of lower die 31 is convexly equipped with limited block 310, when upper cores 30 and lower die 31 corresponding matching, limited block 310 correspondence is installed in stopper slot 300. Certainly, according to specific needs, those skilled in the art can also increase the quantity of limited block 310/ stopper slot 300.

In the present embodiment, described lower die 31 is installed in through hole 20 from the lower section of push pedal 2 and stretches out the upper surface of push pedal 2, the lower end of lower die 31 is provided with catch 311, catch 311 is between the lower surface and bottom plate of push pedal 2, the area of catch 311 is more than the area of through hole 20, lower die 31 is avoided to be excessively inserting in through hole 20, also allow for the hand-held catch of user 311 simultaneously and pick and place lower die 31, the area of lower die 31 is gradually reduced along the direction away from catch 311, guarantee that lower die 31 can move down die sinking and then realize toothbrush shell and lower die 31 and depart from and separate.

Described bottom plate includes lower plate 42, square iron 43, base plate 44 and the second guide pillar 45 being installed on base plate 44, lower die 31 is arranged on the upper end of lower plate 42, square iron 43 is arranged between lower plate 42 and base plate 44, second guide pillar 45 runs through square iron 43 and stretches out the upper surface of square iron 43, lower plate 42 is slidably connected on the second guide pillar 45, lower plate 42 is arranged between push pedal 2 and square iron 43, and lower die 31 is installed on the upper surface of lower plate 42.

Described lower die 31 is substantially in rectangular-shaped, the precalculated position on lower plate 42 it is placed on rapidly for the ease of lower die 31, in the present embodiment, lower plate 42 is provided with groove 420, groove 420 forms from the upper surface of lower plate 42 is recessed, during actual installation, lower die 31 is first placed in groove 420 by user, is being fixed on lower plate 42 by lower die 31 by screw etc.

Refer to Fig. 2 and Fig. 3, after described push pedal 2 is arranged on lower plate 42, lower die 31 goes out from through hole 20 projection, first core rod the 5, second core rod 6 lays respectively at the left and right sides of lower die 31, upper cores 30 is fastened on lower die 31, and the projection 60 of the second core rod 6 is installed in the die cavity of upper cores 30 and the formation of lower die 31. After the mould matched moulds of the present invention completes, projection 60 is installed in draw-in groove 51 near one end of the first core rod 5, by injection mo(u)lding, toothbrush casing is located on projection 60, when after the mould die sinking of the present invention, first core rod 5 is slided along push pedal 2 and then departs from the second core rod 6 and separate, can easily toothbrush shell be taken off.

In the present embodiment, described second core rod 6 is provided with two projections 60, first core rod 5 is correspondingly arranged on two draw-in grooves 51, so, two toothbrush shells can be obtained, certainly, according to specific needs after the mould single injection-molded of the present invention, those skilled in the art also can increase or reduce the quantity of projection 60/ draw-in groove 51 and then the quantity of the toothbrush shell obtained after setting single injection-molded.

Refer to Fig. 2, Fig. 3 and Fig. 4, described first core rod 5 also includes the first slide rail 52 being arranged in push pedal 2, first slide rail 52 is substantially in strip, first slide rail 52 includes two tracks being spaced and be arranged in parallel, be slidably connected between two tracks the first slide block 50, first slide block 50 is provided with skewed slot 53, skewed slot 53 forms from the upper surface of the first slide block 50 is recessed, skewed slot 53 downwards and forms towards the direction extension away from through hole 20 from the first slide block 50, top board 1 is equiped with the driving plate 16 coordinated with skewed slot 53, drive plate 16 to extend straight down from top board 1 to form, the lower end driving plate 16 is provided with the skewback 17 coordinated with skewed slot 53, the self-driven plate of skewback 17 16 downwards and forms towards the direction extension away from lower die 31.

When described top board 1 move up carry out die sinking time, top board 1 drives and drives plate 16 to move up, the first relative skewback 17 of slide block 50 is slided, and then force the first slide block 50 to move along the first slide rail 52 towards the direction away from lower die 31, draw-in groove 51 and projection 60 are separated from each other, thus separating disconnected from each other with the second core rod 6 for the first core rod 5, also make toothbrush shell and the first slide block 50 separate simultaneously.

Described second core rod 6 includes baffle plate the 61, second slide rail 62 and the actuator 63 that are arranged in push pedal 2, second slide rail 62 includes two tracks being spaced and be arranged in parallel equally, it is slidably connected at the second slide block 64 on the second slide rail 62, baffle plate 61 is installed between through hole 20 and the second slide block 64, second slide block 64 is installed between baffle plate 61 and actuator 63, projection 60 runs through baffle plate 61 away from one end of the first core rod 5 and is connected on the second slide block 64, and actuator 63 is connected with the second slide block 64.

After described first core rod 5 separates with the second core rod 6, actuator 63 drives the second slide block 64 to move along the second slide rail 62 towards the direction away from lower die 31, now toothbrush shell is followed projection 60 and is moved together, when toothbrush shell moves to baffle plate 61, baffle plate 61 blocks toothbrush shell, actuator 63 pulls projection 60 to continue to move to, until projection 60 is extracted out from toothbrush shell so that toothbrush shell freely drops. In the present embodiment, actuator 63 adopts oil cylinder, it is ensured that actuator 63 has the stroke distances of enough power and abundance, and certainly, according to specific needs, actuator 63 can also be set to drive motor or drive other power sources such as cylinder by those skilled in the art.

Described second core rod 6 also includes the 3rd slide block 65 being slidably connected on the second slide rail 62,3rd slide block 65 is arranged between the second slide block 64 and actuator 63, projection 60 is provided with guide groove 600, guide groove 600 forms away from one end of the first core rod 5 is recessed from projection 60, it is equiped with in guide groove 600 and looses core 601, loosing core and 601 run through the second slide block 64 near one end of the 3rd slide block 65 and be connected on the 3rd slide block 65, actuator 63 is connected with the 3rd slide block 65.

Refer to Fig. 3, Fig. 4 and Fig. 5, after described first core rod 5 separates with the second core rod 6, actuator 63 pulls the 3rd slide block 65 to move along the second slide rail 62 towards the direction away from lower die 31,3rd slide block 65 together with loose core 601 move predeterminable range after, loose core and 601 move together with projection 60 again, until projection 60 is extracted out from toothbrush shell, and then toothbrush shell is freely dropped. Those skilled in the art can arrange block (not shown) in guide groove 600, loosing core, blend stop (not shown) is set on 601, when actuator 63 pull loose core 601 move predeterminable range after, blend stop block is on block, and hereafter actuator 63 pulls to loose core and 601 moves together with projection 60. Certainly, those skilled in the art also can arrange the draw runner (not shown) connecting the second slide block 64 and the 3rd slide block 65,3rd slide block 65 can be slided along draw runner by relative second slide block 64, draw runner is arranged to predetermined length, when actuator 63 pull loose core 601 move predeterminable range after, distance between 3rd slide block 65 and the second slide block 64 reaches the greatest length of draw runner, and then actuator 63 pulls to loose core and 601 moves together with projection 60.

Described projection 60 is provided with the recess 602 connected with guide groove 600, recess 602 forms from the outer surface of projection 60 is recessed, projection 603 also it is equiped with in recess 602, projection 603 stretches out the outer surface of projection 60, and then make the position of corresponding projection 603 on the toothbrush shell after molding form required pit, loose core and 601 one end of the 3rd slide block 65 is provided with chute 604, chute 604 forms towards the direction extension away from the 3rd slide block 65 and recess 602, projection 603 is connected in chute 604, and projection 603 can be slided in chute 604.

When described actuator 63 pulls the 3rd slide block 65 to move along the second slide rail 62, 3rd slide block 65 601 moves together with loosing core, projection 603 601 is moved along chute 604 relative to loosing core, owing to chute 604 extends along the direction away from recess 602, so that projection 603 is retracted in recess 602 gradually, after projection 603 bounces back to the outer surface not protruding from projection 60, now can projection 603 block on the sidewall of recess 602, can also place obstacles in guide groove 600 block (not shown), projection 603 retracts to after in guide groove 600 and is connected on obstacle block, make to loose core and 601 move together with projection 60, and then projection 60 is extracted out from toothbrush shell. in the present embodiment, the quantity of projection 60/ recess 602/ chute 604 is two, and as required, those skilled in the art can also increase or reduce the quantity of projection 60/ recess 602/ chute 604, such as the quantity of projection 60/ recess 602/ chute 604 is reduced to one, or increase to four.

Referring to Fig. 1, Fig. 2 and Fig. 6, in the present embodiment, described base plate 44 is equiped with two square iron 43 being intervally installed, lower plate 42 is slidably connected on the second guide pillar 45; In order to facilitate the assembling between lower plate 42, push pedal 2, train wheel bridge 12, and also to prevent relative sliding between train wheel bridge 12, push pedal 2, lower plate 42, also being equiped with the 3rd guide pillar 46 on lower plate 42, the 3rd guide pillar 46 runs through push pedal 2 and extends in train wheel bridge 12. Certainly, according to specific needs, the first guide pillar 13 can also be sequentially passed through water gap plate 11, train wheel bridge 12, push pedal 2, lower plate 42 and extend in square iron 43 by those skilled in the art.

The mould of the present invention also includes ejecting mechanism 7, ejecting mechanism 7 is arranged between lower plate 42 and base plate 44, and ejecting mechanism 7 is between two square iron 43, namely square iron 43 is positioned at the outside of ejecting mechanism 7, guarantee that the object in the external world will not touch ejecting mechanism 7, avoid ejecting mechanism 7 to damage because of collision, and then extend the service life of ejecting mechanism 7. Certainly, square iron 43 also can be arranged to one by those skilled in the art, arranges the open-work (not shown) of up/down perforation, be installed with in open-work by ejecting mechanism 7 on square iron 43.

Described ejecting mechanism 7 includes the liftout plate 70 being installed on base plate 44, liftout plate 70 is arranged between lower plate 42 and base plate 44, liftout plate 70 is between two square iron 43, it is installed in the thimble 71 on liftout plate 70, lower plate 42 is provided with the perforation 421 coordinated with thimble 71, thimble 71 is installed in perforation 421 for holding push pedal 2, base plate 44 be additionally provided with appear liftout plate 70 eject hole 440. When needs push pedal 2 move up carry out die sinking time, utilize extraneous object traverse to eject hole 440 to be moved up by liftout plate 70, liftout plate 70 moves up together with thimble 71, thimble 71 passes the perforation 421 of train wheel bridge 12 and withstands on the lower surface of push pedal 2, and then push pedal 2 is moved up, separate so that toothbrush shell disengages with lower die 31. As required, those skilled in the art can also increase the quantity of thimble 71 so that the opposite end of push pedal 2 is all correspondingly arranged thimble 71, increases the ejecting force of push pedal 2 on the one hand, accelerates the translational speed of push pedal 2; On the other hand it is also possible that the two ends substantially stress equalization of push pedal 2, it is ensured that push pedal 2 is smoothly moved.

In the present embodiment, described thimble 71 is also arranged with elastic component 72, elastic component 72 is installed between lower plate 42 and liftout plate 70, utilize elastic component 72 that ejecting force is cushioned, the bigger ejecting force being subject on liftout plate 70 is avoided directly to be delivered in push pedal 2 through thimble 71, anti-thrust plate 2 causes decline service life because being subject to bigger ejecting force, or the bigger ejecting force that anti-thrust plate 2 is subject to is delivered on toothbrush shell and causes toothbrush Housing failure.

Described liftout plate 70 is also equipped with limited post 73, limited post 73 forms towards the extension near the direction of lower plate 42 from liftout plate 70, between upper surface and the lower surface of lower plate 42 of limited post 73, interval is arranged, liftout plate 70 moves up together with thimble 71 and limited post 73, after limited post 73 is connected on lower plate 42, liftout plate 70 can not continue to move up, and now push pedal 2 is moved upwards up to predetermined desired position by thimble 71. By setting up limited post 73, it is ensured that ejecting mechanism 7 is without upwards excessively mobile, so that ejecting mechanism 7 utilizes the shortest time can complete the required operation that ejects, the production efficiency of further service hoisting toothbrush shell.

The known present invention has above-described good characteristic in sum, is made it on using, promotes the usefulness not having in conventional art and have practicality, become the product of a great practical value.

Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, and this specification content should not be construed as limitation of the present invention.

Claims (10)

1. the mould for toothbrush shell, including upper cores, the lower die coordinated with upper cores, it is provided with die cavity between upper cores and lower die, upper cores or lower die are provided with the inlet connected with die cavity, it is characterized in that: also include being installed in the first core rod of upper cores or lower die, it is installed in the second core rod of upper cores or lower die, upper cores, lower die are respectively positioned between the first core rod and the second core rod, first core slide is connected to upper cores or lower die, second core rod is provided with projection, and projection is positioned at die cavity, and the first core rod coordinates with projection.

2. the mould for toothbrush shell according to claim 1, it is characterized in that: described mould also includes push pedal, first core rod, lower die and the second core rod are assembled on push pedal, and the first core rod includes the first slide block being slidably connected to push pedal, and the first slide block coordinates with projection.

3. the mould for toothbrush shell according to claim 2, it is characterized in that: described mould also includes upper mounted plate, bottom plate, push pedal is installed between upper mounted plate and bottom plate, upper cores is installed in upper mounted plate, lower die is installed in bottom plate, push pedal is provided with through hole, and lower die is positioned at through hole.

4. the mould for toothbrush shell according to claim 3, it is characterized in that: described first core rod also includes the first slide rail, drives plate, first slide rail is installed in push pedal, first skid is connected to the first slide rail, first slide block is provided with skewed slot, skewed slot downwards and forms towards the direction extension away from through hole from the first slide block, drives plate to be installed in upper mounted plate, drives plate to be provided with the skewback being installed in skewed slot.

5. the mould for toothbrush shell according to claim 3, it is characterized in that: described second core rod includes baffle plate, the second slide rail, actuator and the second slide block, baffle plate, the second slide rail and actuator are assembled on push pedal, second slide block is installed in the second slide rail, baffle plate is between through hole and the second slide block, second slide block is between block and actuator, and projection runs through baffle plate away from one end of the first core rod and is connected to the second slide block, and actuator and the second slide block connect.

6. the mould for toothbrush shell according to claim 5, it is characterized in that: described second core rod also includes the 3rd slide block and looses core, 3rd skid is connected to the second slide rail, 3rd slide block is installed between the second slide block and actuator, projection is provided with guide groove, loosing core and be installed in guide groove, loose core and run through the second slide block near one end of the 3rd slide block and be connected to the 3rd slide block, actuator and the 3rd slide block connect.

7. the mould for toothbrush shell according to claim 6, it is characterized in that: described projection is provided with the recess connected with guide groove, be equiped with projection in recess, loose core and be provided with chute, chute forms towards the direction extension away from the 3rd slide block and recess, and projection is connected to chute.

8. the mould for toothbrush shell according to claim 3, it is characterized in that: fixed plate includes top board, water gap plate, train wheel bridge and is installed in the first guide pillar of top board, water gap plate, train wheel bridge are slidably connected to the first guide pillar, water gap plate is installed between top board and train wheel bridge, train wheel bridge is installed between water gap plate and push pedal, upper cores is installed in train wheel bridge, and top board is provided with cast gate, and cast gate connects with inlet through top board, water gap plate, train wheel bridge.

9. the mould for toothbrush shell according to claim 3, it is characterized in that: described bottom plate includes lower plate, supporting plate and is installed in the second guide pillar of supporting plate, lower plate is slidably connected to the second guide pillar, and lower plate is installed between push pedal and supporting plate, and lower die is installed in lower plate.

10. the mould for toothbrush shell according to claim 9, it is characterized in that: described supporting plate includes base plate and is installed in the square iron of base plate, second guide pillar is installed in base plate and runs through square iron, square iron is installed between lower plate and base plate, described mould also includes ejecting mechanism, ejecting mechanism is installed between lower plate and base plate, square iron is positioned at the outside of ejecting mechanism, ejecting mechanism includes liftout plate, thimble and elastic component, liftout plate is installed in base plate, liftout plate is between lower plate and base plate, thimble is installed in liftout plate for holding push pedal, lower plate is provided with the perforation coordinated with thimble, thimble is positioned at perforation, elastic component is sheathed on thimble, elastic component is between lower plate and liftout plate, base plate be provided with appear liftout plate eject hole.