Summary of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of mould for toothbrush shell, designs rational in infrastructure, relative to traditional mould, can be greatly promoted the production efficiency of toothbrush shell.
For achieving the above object, a kind of mould for toothbrush shell of the present utility model, 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 that push pedal, 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 slide block is slidably 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 slide block is slidably 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.
The beneficial effects of the utility model: time actually used, are 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 to complete matched moulds on lower die 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, Design of Dies of the present utility model is rational in infrastructure, relative to traditional mould, can be greatly promoted the production efficiency of toothbrush shell.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, being further described this utility model below in conjunction with embodiment and accompanying drawing, the content that embodiment is mentioned is not to restriction of the present utility model.
nullRefer to Fig. 1、Fig. 2 and Fig. 3,A kind of mould for toothbrush shell of the present utility model,Including upper cores 30,The lower die 31 coordinated with upper cores 30,Upper cores 30 snaps together each other with lower die 31,It is provided with die cavity (not shown) between upper cores 30 and lower die 31,The inlet (not shown) connected with die cavity it is provided with in upper cores 30 or lower die 31,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 on upper cores 30 up or down 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 on upper cores 30 up or down 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 on upper cores 30 up or down die 31 by first core rod the 5, second core rod 6, projection 60 is combined together by first core rod 5 that slides with draw-in groove 51, is installed to upper cores 30 on lower die 31 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, Design of Dies of the present utility model 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 the first guide pillar 13 being installed 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, the most also top board 1 can be arranged to circle, pentagon or other shape, first guide pillar 13 substantially cylinder in 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 be increased or decreased the quantity of the first guide pillar 13, such as, reduces the quantity of the first guide pillar 13 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, the most 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, it is intervally installed with cushion hole 121 at cast gate 10 and the link position of dashpot 120, the material of injection flow to dashpot 120 through cast gate 10, more buffered hole 121 is flowed in die cavity.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, the gas in auxiliary reduces injected plastics material further;The most 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, flow velocity reduction due to injected plastics material can reduce the production efficiency of toothbrush shell, in order to not affect production efficiency, preferably on the premise of ensureing toothbrush outer cover quality, 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, groove 420 it is provided with on lower plate 42, 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 mould matched moulds of the present utility model 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 mould die sinking of the present utility model, first core rod 5 slided along push pedal 2 and then departs from separately with the second core rod 6, can easily toothbrush shell be taken off.
In the present embodiment, it is provided with two projections 60 on described second core rod 6, two draw-in grooves 51 it are correspondingly arranged on first core rod 5, so, i.e. can get two toothbrush shells, certainly, according to specific needs after mould single injection-molded of the present utility model, the quantity of the toothbrush shell that those skilled in the art obtain after the quantity of projection 60/ draw-in groove 51, and then setting single injection-molded also can be increased or decreased.
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, it is provided with skewed slot 53 on first slide block 50, 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, the driving plate 16 coordinated with skewed slot 53 it is equiped with on top board 1, 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 is separated from each other with projection 60, thus separate 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 being arranged in push pedal 2, second slide rail 62 includes two tracks being spaced and be arranged in parallel equally, the second slide block 64 being slidably connected 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 uses 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, guide groove 600 it is provided with on projection 60, 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 connection the second slide block 64 and draw runner (not shown) of 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.
The recess 602 connected with guide groove 600 it is provided with on described projection 60, 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 gradually retracted in recess 602, after projection 603 bounces back to not protrude from the outer surface of projection 60, now can be with projection 603 block on the sidewall of recess 602, can also place obstacles in guide groove 600 block (not shown), projection 603 retracts to be connected on obstacle block after in guide groove 600, 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 be increased or decreased 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;Assembling between lower plate 42, push pedal 2, train wheel bridge 12 for convenience, and also to prevent from relatively 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.
Mould of the present utility model 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, i.e. 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, the thimble 71 being installed on liftout plate 70, the perforation 421 coordinated with thimble 71 it is provided with on lower plate 42, 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, extraneous object is utilized to be moved up by liftout plate 70 through ejecting hole 440, 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, on the one hand increases the ejecting force of push pedal 2, 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, elastic component 72 also it is arranged with on described thimble 71, elastic component 72 is installed between lower plate 42 and liftout plate 70, utilize elastic component 72 that ejecting force is buffered, 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 is because being caused decline service life by bigger ejecting force, or the bigger ejecting force that anti-thrust plate 2 is subject to is delivered on toothbrush shell cause toothbrush Housing failure.
It is also equipped with limited post 73 on described liftout plate 70, 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 the most 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.
Understanding this utility model in sum is to have above-described good characteristic, 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 preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the most all will change, this specification content should not be construed as restriction of the present utility model.