CN206483971U - One kind supercharging casting rifle - Google Patents

Abstract

The utility model provides a kind of supercharging casting rifle, including pressure charging valve block, the booster cavity and cushion chamber being communicated with the pressure charging valve block, the right side of the pressure charging valve block is provided with horizontal casting mouthful, the casting mouthful is connected with cushion chamber, the upper surface of the pressure charging valve block is provided with the wax inlet connected with cushion chamber, the wax inlet is provided with check valve, the booster cavity is cylindricality, charged piston is provided with the booster cavity, the charged piston can be moved along supercharging cavity wall in the axial direction, fuel feed hole is provided with the pressure charging valve block, at the lower surface of the fuel feed hole connection pressure charging valve block and the nearly left side of booster cavity, by charged piston and check valve is coordinated to be pressurized liquid wax, boost range is big and closer to the distance away from casting mouthful, effect is obvious, and the cylinder equipped with clear residual wax can ensure the progress of continuous casting work.

Description

One kind supercharging casting rifle

Technical field

The utility model is related to hot investment casting field, more particularly to a kind of supercharging casting rifle.

Background technology

Model casting is one kind of hot investment casting, casting when need previously fabricated wax-pattern, be in existing wax-pattern according to By injection pressure come the pressurization after being injected and pressurize, the moulding pressure of existing casting rifle is relatively low, and in die end Pressure effect is not obvious.

Utility model content

The technical problems to be solved in the utility model is：The moulding pressure of existing casting rifle it is relatively low and die end plus DeGrain is pressed, the utility model provides a kind of supercharging casting rifle to solve the above problems.

The utility model solves the technical scheme that its technical problem used：One kind supercharging casting rifle, including pressure charging valve The booster cavity and cushion chamber being communicated with block, the pressure charging valve block, the right side of the pressure charging valve block are provided with horizontal note Wax mouthful, the casting mouthful is connected with cushion chamber, and the upper surface of the pressure charging valve block is provided with the wax inlet connected with cushion chamber, institute Wax inlet is stated provided with check valve, the booster cavity is that charged piston is provided with cylindricality, the booster cavity, and the charged piston can Moved in the axial direction along supercharging cavity wall, fuel feed hole is provided with the pressure charging valve block, the fuel feed hole connection pressure charging valve block At lower surface and the nearly left side of booster cavity.

Further：The pressure charging valve block is provided with cylinder, and the housing of the cylinder is fixed on the left side of pressure charging valve block, The piston rod of the cylinder is horizontally disposed to be passed through the charged piston and can extend into casting mouthful from left to right, and the supercharging is lived The piston rod of plug and the cylinder keeps sealing.

Further：The check valve includes being provided with valve opening on poppet valve core and spring, the wax inlet, the valve opening Upper end is provided with valve port, and the poppet valve core, which is arranged in valve opening, can slide along valve opening inwall and keep sealing；The spring is arranged on Between the pressure charging valve block and the poppet valve core, the upward pushing tow of the poppet valve core can be such that poppet valve core holds out against in valve by the spring On mouth and keep sealing.

Further：The charged piston is provided with the piston rod surface being provided with seal groove, the seal groove with cylinder The lip-type packing of contact, the lip of the lip-type packing is inwardly set.

The beneficial effects of the utility model are that the utility model one kind supercharging casting rifle is by charged piston and coordinates unidirectional Valve is pressurized to liquid wax, and boost range is big and closer to the distance away from casting mouthful, and effect substantially, and is furnished with the gas of clear residual wax Cylinder can ensure the progress of continuous casting work.

Brief description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1, which is that the utility model is a kind of, is pressurized the structural representation that casting rifle is under pressurized state；

Fig. 2 is that a kind of casting rifle that is pressurized completes to remove the schematic diagram of the residual wax of casting mouthful after a casting；

Fig. 3 is A partial enlarged drawings in Fig. 1.

1 in figure, pressure charging valve block, 2, booster cavity, 3, cushion chamber, 4, casting mouthful, 5, wax inlet, 6, check valve, 7, fuel feed hole, 8th, cylinder, 9, valve opening, 10, poppet valve core, 11, spring, 12, valve port, 13, charged piston, 14, seal groove, 15, residual wax.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model Limitation.On the contrary, embodiment of the present utility model includes falling into owning in the range of the spirit and intension of attached claims Change, modification and equivalent.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axle To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to the description present invention and simplifies description, rather than indicates or imply that signified device or element there must be specific side Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important Property., it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " connected ", " company Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or it is integrally connected；It can be machine Tool is connected or electrically connected；Can be joined directly together, can also be indirectly connected to by intermediary.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.In addition, in this reality With in new description, unless otherwise indicated, " multiple " are meant that two or more.

Any process described otherwise above or method description are construed as in flow chart or herein, represent to include Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process Point, and the scope of preferred embodiment of the present utility model includes other realization, wherein can not be by shown or discussion Order, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be by this The embodiment person of ordinary skill in the field of utility model is understood.

As shown in figure 1, the utility model provides a kind of supercharging casting rifle, including pressure charging valve block 1, the pressure charging valve block 1 The booster cavity 2 and cushion chamber 3 being inside communicated with, the right side of the pressure charging valve block 1 is provided with horizontal casting mouthful 4, the note Wax mouthfuls 4 is connected with cushion chamber 3, the upper surface of the pressure charging valve block 1 provided with the wax inlet 5 connected with cushion chamber 3, it is described enter wax Mouth 5 is provided with check valve 6, and the booster cavity 2 is that charged piston 13, the charged piston 13 are provided with cylindricality, the booster cavity 2 It can be moved in the axial direction along the inwall of booster cavity 2, fuel feed hole 7, the connection of fuel feed hole 7 supercharging are provided with the pressure charging valve block 1 At the lower surface of valve block 1 and the nearly left side of booster cavity 2.

When the wax-pattern manufacturing process of hot investment casting carries out casting operation, casting mouthful 4 and the import of mould are adjacent to, by entering Wax mouthful 5 accesses liquid wax, and liquid wax is flowed into cushion chamber 3 and then is injected into again by casting mouthful 4 in mould, while fuel feed hole There is no input pressure in 7, liquid wax will promote charged piston 13 to move to left, after liquid wax is full of cavity body of mould, in fuel feed hole 7 Feed pressure oil, and charged piston 13 is promoted to the right, the check valve 6 set on wax inlet 5 will prevent liquid wax by entering wax Mouth 5 flows out, and now the liquid wax in mould contributes to liquid wax to fill the chamber of mould by by the pressurization of charged piston 13 Body.

As described in Figure 2, the pressure charging valve block 1 is provided with cylinder 8, and the housing of the cylinder 8 is fixed on a left side for pressure charging valve block 1 End face, the piston rod of the cylinder 8 is horizontally disposed to be passed through the charged piston 13 and can extend into casting mouthful 4 from left to right, The piston rod of the charged piston 13 and the cylinder 8 keeps sealing.

After a casting is completed, because 4 sizes of casting mouthful are smaller, casting mouthful 4, shadow can be blocked after liquid wax cooling Ring casting work next time.After a casting is completed, the piston rod of cylinder 8 stretches out, and extend into casting mouthful 4, will Residual wax 15 in casting mouthful 4 is pushed outwardly so that the passage of casting mouthful 4 is unobstructed, and when carrying out casting again, liquid wax may Casting mouthful 4 is easily flowed through very much, is flowed into mould.

As shown in figure 3, the check valve 6 includes being provided with valve opening 9, institute on poppet valve core 10 and spring 11, the wax inlet 5 The upper end for stating valve opening 9 is provided with valve port 12, and the poppet valve core 10, which is arranged in valve opening 9, can slide along the inwall of valve opening 9 and keep sealing； The spring 11 is arranged between the pressure charging valve block 1 and the poppet valve core 10, and the spring 11 can be by the poppet valve core 10 Upward pushing tow makes poppet valve core 10 hold out against on valve port 12 and keeps sealing.

Poppet valve core 10 is held out against on valve port 12, and keeps with valve port 12 sealing, and is protected by spring 11 does sealedly compensation Card is sealedly reliable, and the voltage endurance capability of this check valve 6 is strong and one-way sealing effect is good.

The charged piston 13 is provided with seal groove 14, the seal groove 14 to be connect provided with the piston rod surface with cylinder 8 Tactile lip-type packing, the lip of the lip-type packing is inwardly set, and lip-type packing is arranged in seal groove 14 and gentle The plunger rod contacts of cylinder 8 keep dynamic sealing, and the dynamic sealing effect of lip-type packing is preferable, and voltage endurance capability is strong.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of the term State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.

Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right Property scope.

Claims (4)

1. one kind supercharging casting rifle, it is characterised in that including pressure charging valve block（1）, the pressure charging valve block（1）The increasing being inside communicated with Press chamber（2）And cushion chamber（3）, the pressure charging valve block（1）Right side provided with horizontal casting mouthful（4）, the casting mouthful（4） With cushion chamber（3）Connection, the pressure charging valve block（1）Upper surface be provided with and cushion chamber（3）The wax inlet of connection（5）, it is described Wax inlet（5）It is provided with check valve（6）, the booster cavity（2）For cylindricality, the booster cavity（2）It is interior to be provided with charged piston（13）, The charged piston（13）Can be in the axial direction along booster cavity（2）Inwall is moved, the pressure charging valve block（1）It is interior to be provided with fuel feed hole （7）, the fuel feed hole（7）Connect pressure charging valve block（1）Lower surface and booster cavity（2）Nearly left side at.

2. a kind of supercharging casting rifle as claimed in claim 1, it is characterised in that：The pressure charging valve block（1）It is provided with cylinder （8）, the cylinder（8）Housing be fixed on pressure charging valve block（1）Left side, the cylinder（8）Piston rod it is horizontally disposed by Left-to-right passes through the charged piston（13）And casting mouthful can be extend into（4）In, the charged piston（13）With the cylinder（8） Piston rod keep sealing.

3. a kind of supercharging casting rifle as claimed in claim 2, it is characterised in that：The check valve（6）Including poppet valve core（10） And spring（11）, the wax inlet（5）On be provided with valve opening（9）, the valve opening（9）Upper end be provided with valve port（12）, the cone Valve element（10）It is arranged on valve opening（9）It is interior can be along valve opening（9）Inwall slides and keeps sealing；The spring（11）It is arranged on the increasing Pressure valve block（1）With the poppet valve core（10）Between, the spring（11）Can be by the poppet valve core（10）Upward pushing tow makes cone valve Core（10）Hold out against in valve port（12）Go up and keep sealing.

4. a kind of supercharging casting rifle as claimed in claim 3, it is characterised in that：The charged piston（13）It is provided with seal groove （14）, the seal groove（14）Inside it is provided with and cylinder（8）Piston rod surface contact lip-type packing, the lip-type packing Lip inwardly set.