CN205869396U - Novel water piston metal die - Google Patents

Abstract

The utility model belongs to the piston die field especially relates to a novel water piston metal die, including external mold, top mould, centre form and be used for the position sleeve of fixed centre form, the centre form has adopted the design of metal, the centre form includes the SMIS again, the core that inclines in side core, the second in first, in first in limit core and second limit core, through mutually supporting between above -mentioned each core, has effectually solved the problem that blank internal shape complicacy is difficult for the die sinking, makes whole piston die energy consumption low, and the yield is high, and is with low costs to can used repeatedly.

Description

A kind of New type water pump piston metal die

Technical field

This utility model belongs to Piston mould field, particularly relates to a kind of New type water pump piston metal die.

Background technology

Piston is in the indispensable parts of electromotor one, the good and property badly directly influencing an electromotor of piston Energy.Piston mould, in piston manufacture process, plays again vital effect.

Present stage, the casting method of water piston is typically all and uses resin bonded sand mould die cast, and the casting of its resin bonded sand mould can not Recycling, therefore manufacturing cost is of a relatively high, and the yield rate of blank is the most relatively low.

Utility model content

This utility model, for above-mentioned problem, devises a kind of New type water pump piston metal die.

In order to achieve the above object, the technical solution adopted in the utility model is, this utility model provides a kind of new type water Pump piston metal die, including external mold and backform, described external mold and backform are internally provided with interior mould, and the outside of described interior mould is arranged SMIS, the two ends of described SMIS are respectively arranged with structure and size is the same from limit in first to have positioning sleeve, described interior mould to include Limit core in core and second, both sides are respectively arranged with structure and size is the same from first side core in side core and second, described in Limit core is provided with the first holding tank on the one side of SMIS, and another side is provided with the first guiding gutter, described SMIS Two ends are provided with the first lead matched with the first holding tank, and described middle side core is provided with on the one side of SMIS Second lead, opposite side is provided with the second guiding gutter, and the bottom of described second lead is provided with screens post, described SMIS Both sides are provided with the second holding tank matched with the second lead, being internally provided with and screens post of described second holding tank The screens groove matched.

As preferably, the bottom of described SMIS is provided with the first gripper shoe.

As preferably, described positioning sleeve includes screens set and is arranged on the fixed plate outside screens set.

As preferably, described external mold includes encapsulation plate, and described encapsulation plate is provided with receiving hole, the top of described encapsulation plate One end is provided with and pours mouth, and the two ends of described encapsulation plate are provided with support column.

As preferably, described backform includes the positioning sleeve matched with SMIS, and the bottom of described positioning sleeve is provided with the 3rd Gripper shoe, the bottom of described 3rd gripper shoe is provided with the screens portion matched with receiving hole.

As preferably, described fixed plate is bolted on the bottom of receiving hole on encapsulation plate.

Compared with prior art, advantage of the present utility model and good effect are,

This utility model includes external mold, backform, Nei Mo and is used for fixing the positioning sleeve of interior mould, and interior mould have employed metal Design, Nei Mo includes again SMIS, side core in first, side core in second, limit core in limit core and second in first, by above-mentioned respectively Cooperating between core, effectively solves blank cavity shape complexity and is difficult to the problem of die sinking, make whole Piston mould energy Consuming low, yield rate is high, low cost, and can reuse.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of this utility model embodiment, required in embodiment being described below The accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is embodiments more of the present utility model, For those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings Obtain other accompanying drawing.

The perspective view of a kind of New type water pump piston metal die that Fig. 1 provides for embodiment 1；

External mold, Nei Mo and positioning sleeve, backform (are entered by a kind of New type water pump piston metal die that Fig. 2 provides for embodiment 1 Row separate) perspective view；

Interior mould that Fig. 3 provides for embodiment 1 (containing positioning sleeve, and by positioning sleeve and interior mode division from) stereochemical structure signal Figure；

Interior mould that Fig. 4 provides for embodiment 1 is (by SMIS, side core in first, side core in second, limit core and in first In two, limit core separates) perspective view；

Fig. 5 for embodiment 1 provide second in the perspective view of side core；

In the most each figure, 1, backform；11, positioning sleeve；12, the 3rd gripper shoe；13, screens portion；2, external mold；21, mouth is poured； 22, support column；23, receiving hole；24, encapsulation plate；3, interior mould；31, SMIS；311, the second holding tank；312, screens groove；313, One lead；32, side core in second；33, side core in first；331, the second guiding gutter；332, the second lead；333, screens Post；34, limit core in first；341, the first holding tank；35, limit core in second；36, the first gripper shoe；4, positioning sleeve；41, screens Set；42, fixed plate.

Detailed description of the invention

In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and real Execute example this utility model is described further.It should be noted that in the case of not conflicting, embodiments herein and reality Execute the feature in example can be mutually combined.

Elaborate a lot of detail in the following description so that fully understanding this utility model, but, this practicality Novel can be different from other modes described here implement to use, therefore, this utility model is not limited to described below The restriction of the specific embodiment of description.

Embodiment 1, this this utility model provides a kind of New type water pump piston metal die, as it is shown in figure 1, include external mold 2 and backform 1, it is provided with interior mould 3 in the inside of external mold 2 and backform 1, is provided with determining of in fixing mould 3 in the outside of interior mould 3 Position set 4, defines the cavity for cast pistons blank, at this utility model between external mold 2, backform 1, interior mould 3 and positioning sleeve 4 In in, mould 3 is the place of inventor's major design, and as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, interior mould 3 includes SMIS 31, and SMIS 31 is main If for the effect of carrying, the shape of SMIS 31 as shown in Figure 4, is a tetragonous cone table, on four sides of SMIS 31 It is respectively provided with in first in limit core 34, second in limit core 35, first side core 32 in side core 33 and second, wherein limit core in first In 34 and second, limit core 35 is all identical in structure and size, in first in side core 33 and second side core 32 in structure and big It is the most all identical on little, in order to realize in first in limit core 34, second in limit core 35, first side core 32 in side core 33 and second Can fix on SMIS 31 and can relatively slide, inventor has also done following design, and as shown in Figure 4, middle limit core leans on It is provided with the first holding tank 341 on one side of nearly SMIS 31, another side is provided with the first guiding gutter, at SMIS 31 Being provided with the first lead 313 on corresponding side, be not difficult to find out by above-mentioned design, middle limit core is fixing with SMIS 31 Position and the mode used, i.e. in have employed demountable fixing connected mode between limit core and SMIS 31, as Fig. 4, Shown in Fig. 5, middle side core is provided with the second lead 332 on the one side of SMIS 31, and opposite side is provided with the second guiding gutter 331, it is provided with screens post 333 in the bottom of the second lead 332, the side of SMIS 31 is provided with and the second lead 332 The second holding tank 311 matched, is provided with the screens groove matched with screens post 333 in the inside of the second holding tank 311 312, middle side core and SMIS 31 use this kind of design, i.e. realize interconnection system and fix.The most of the present utility model Operation principle, utilizes positioning sleeve 4 to connect according to the fixed form of Fig. 1 is fixing, and bottom of the present utility model is to be connected with pneumatic cylinder Connect, pour liquid from pouring at mouth 21, after liquid molding, then utilize pneumatic cylinder to pull down the first gripper shoe 36, i.e. drive SMIS 31 moves downward, due to the setting of structure on SMIS 31, middle side core and middle limit core, SMIS 31 then can relative to middle side core and The core relative movement of middle limit, when moving to certain position, middle limit core will depart from SMIS 31, and middle side core then can accommodate along second Groove 311 moves, and due to the relation that the connection by screens groove 312 and screens post 333 is fixing, makes middle side core without departing from SMIS 31, i.e. interior mould 3 can be carried out removal by this utility model the most easily, and interior mould 3 have employed metal material, i.e. realizes this reality Can reuse with novel, greatly reduce cost, also improve the yield rate of blank accordingly.

Inventor is more preferable for the effect making whole utility model, has also done following design；

Positioning sleeve 4 includes screens set 41 and is arranged on the fixed plate 42 outside screens set 41, and screens set 41 is mainly used In to SMIS 31, first in limit core 34, second in limit core 35, first in side core 33 and second side core 32 tie tight solid Fixed, make interior mould 3 fixing under the effect of screens set 41, the design of fixed plate 42, is the bottom in order to be fixed in external mold 2；

External mold 2 includes encapsulation plate 24, and encapsulation plate 24 is provided with receiving hole 23, and the upper one end of encapsulation plate 24 is provided with and waters Building mouth 21, the two ends of encapsulation plate 24 are provided with support column 22, and receiving hole 23 is primarily used to hold interior mould 3, and support column 22 is then For supporting and fixing；

Backform 1 includes the positioning sleeve 11 matched with SMIS 31, and the bottom of positioning sleeve 11 is provided with the 3rd gripper shoe 12, the The bottom of three gripper shoes 12 is provided with the screens portion 13 matched with receiving hole 23, as shown in Figure 1 and Figure 2, the setting in screens portion 13 It is the top in order to more preferably backform 1 entirety be placed on receiving hole 23；

Fixed plate 42 is fixed on the bottom of receiving hole 23 on encapsulation plate 24 by bolt (becoming display in the drawings), utilizes spiral shell The purpose that bolt is fixed is easy for fixing and dismounting.

The above, be only preferred embodiment of the present utility model, is not that this utility model is made other form Restriction, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as equivalent The Equivalent embodiments of change is applied to other field, but every without departing from technical solutions of the utility model content, according to this reality Any simple modification, equivalent variations and the remodeling made above example by novel technical spirit, still falls within this practicality new The protection domain of type technical scheme.

Claims (6)

1. a New type water pump piston metal die, including external mold and backform, it is characterised in that: set inside described external mold and backform Being equipped with interior mould, the outside of described interior mould is provided with positioning sleeve, and described interior mould includes that SMIS, the two ends of described SMIS are respectively arranged with Structure and size are the same from first limit core in limit core and second, and both sides are respectively arranged with structure and size is the same from first Side core in middle side core and second, described middle limit core is provided with the first holding tank on the one side of SMIS, another side sets Being equipped with the first guiding gutter, the two ends of described SMIS are provided with the first lead matched with the first holding tank, described middle side Core is provided with the second lead on the one side of SMIS, and opposite side is provided with the second guiding gutter, described second lead Bottom is provided with screens post, and the both sides of described SMIS are provided with the second holding tank matched with the second lead, and described Two holding tanks be internally provided with the screens groove matched with screens post.

A kind of New type water pump piston metal die the most according to claim 1, it is characterised in that: the bottom of described SMIS sets It is equipped with the first gripper shoe.

A kind of New type water pump piston metal die the most according to claim 2, it is characterised in that: described positioning sleeve includes card Position is overlapped and is arranged on the fixed plate outside screens set.

A kind of New type water pump piston metal die the most according to claim 3, it is characterised in that: described external mold includes parcel Plate, described encapsulation plate is provided with receiving hole, and the upper one end of described encapsulation plate is provided with and pours mouth, the two ends of described encapsulation plate It is provided with support column.

A kind of New type water pump piston metal die the most according to claim 4, it is characterised in that: described backform include with in The positioning sleeve that core matches, the bottom of described positioning sleeve is provided with the 3rd gripper shoe, and the bottom of described 3rd gripper shoe is provided with The screens portion matched with receiving hole.

A kind of New type water pump piston metal die the most according to claim 5, it is characterised in that: described fixed plate passes through spiral shell Bolt is fixed on the bottom of receiving hole on encapsulation plate.