CN209439392U - Running gate system for the preparation of vermicular cast iron glass mold - Google Patents

Abstract

The utility model discloses a kind of running gate systems for the preparation of vermicular cast iron glass mold, using two sides equilibrium into the structure of molten iron, molten iron enters casting mold by sprue, by the first cross gate, two strands of balanced molten iron are layered, the slag trap with strainer is respectively enterd, molten iron enters the second cross gate via slag trap again, by the second cross gate, ingate is entered in very gentle mode.Running gate system of the utility model for the preparation of vermicular cast iron glass mold is solved from source, vermicular cast iron glass mold is because be easily deformed, and cause machining allowance insufficient, or even finally on Mechanism of I. S. Machine in use process, be deformed and generate the case where scrapping.Improve the quality of product and the yield rate of blank.

Description

Running gate system for the preparation of vermicular cast iron glass mold

Technical field

The utility model relates to glass mold fields, more particularly to a kind of pouring for the preparation of vermicular cast iron glass mold Injection system.

Background technique

Glass mold is the main equipment for producing glassware, frequently the high-temperature molten glass with 1100 DEG C or so Contact, the restriction effect contoured as glassware shape and/or inner mold, while as melten glass to be carried out with environment The medium of heat exchange plays the role of vital.It is required that glass mold surface of internal cavity has good high temperature resistant, wearability Can, antioxygenic property and corrosion resisting property and use and prolong the service life.The material of glass mold mainly includes cast iron, copper conjunction at present The different materials such as gold, stainless steel, nickel-base alloy.Its medium cast iron because of its cheap price, good casting and machining property, In glass mold industry, absolute leading position in a foreseeable future can be still accounted for.

Cast iron glass mold material can be divided into again, this three categories of gray cast iron, vermicular cast iron or magnesium iron.Due in high temperature ring It works under border, different types of cast iron has different performances.Wherein the antioxygenic property of material is leading factor.Compacted ink Cast iron is biased to the beneficial side of the two since thermal conductivity and graphite all occupy between gray and ductile iron the effect of isolating of matrix To, therefore comprehensive service performance comparison gray and ductile iron is more excellent, particularly suitable for medium sized bottle bottle, White Spirit Bottle The mold of bottle-type uses, and casting character and machining property also occupy between the two.Therefore it generally uses and glass mold In industry.Meanwhile domestic and international vermicular cast iron glass mold material is primarily present the shortcoming of the following aspects at present.

Most of research institutions and enterprise all surround the isolated physical property such as antioxygenic property, intensity, hardness of material Index meets the requirement of anti-oxidant, wear-resisting property etc. by adding different alloying elements.But due to largely by adding Add expensive alloying elements, first is that improving the cost of mold materials, reduces the market competitiveness, due to the addition of various alloys, Cast production process operation difficulty is increased, and produces many pearlite of quantity.Generally acknowledge in glass mold industry Pearlite matrix done harm rather than good compared to ferrite matrix.Second is that due to the particular/special requirement of glass mold use aspect itself, Need inner cavity and melten glass contact surface must be fine and close, it is therefore desirable to carry out Quench, cooperation to mold inner-cavity using contoured chill A large amount of additions of alloying element above-mentioned, therefore generate huge material internal casting stress and spoken parts in traditional operas.It is current most of to grind Studying carefully only considered, and carry out graphitizing annealing and stress relief annealing in the processing of subsequent progress artificial aging.Although being graphitized Or stress relief annealing, but since vermicular cast iron passes through artificial aging, larger, profile tolerance and flatness are deformed after stress removal Deformation often exceeds 3mm, and leads to no machine-finish allowance, generates and largely scraps rough casting.Meanwhile artificial aging can only be gone Part stress in hair loss base tissue, and casting stress cannot be completely removed, cause final vermicular cast iron mould product in ranks It is deformed when being used on machine, to bring about great losses.Currently, being not found from material ingredient and moulding system technique side Face addresses this problem on the basis of not increasing cost.Technical solution described below is in this background Lower generation.

The running gate system of the vermicular cast iron glass die blank generally used in industry, such as Fig. 1, molten iron from sprue 1a into Through filter screen after entering, the molten iron slag of generation is in slag trap 2a, and by cross gate 3a, racing enters in mold cavities 5a, with room The loam core 6a of temperature generates impact, forms secondary slag, due to being the chill loam core temperature for the side that first intakes from side into molten iron It will increase rapidly, or even will appear high temperature selective oxidation phenomenon, and not into molten iron side, then it heats up relatively slow, leads to entire casting Thermo parameters method it is uneven, finally result in into molten iron side with it is very big not into the molten iron side temperature difference.It was solidified subsequent Cheng Zhong causes final vermicular cast iron die blank last cold due to graphitization expansion and solidification order question synthesis effect There are huge internal stress or even macroscopic profile tolerance to deform after solidifying, and in the flatness of the direct contact portion of loam core Between it is recessed, both ends tilt.Simultaneously, due to vermicular cast iron mushy freezing mode, even it will appear ingate prior to casting sometimes There is shrinkage cavity phenomenon to generate isolated liquid phase region inside rough casting in solidification.Stress deformation situation is serious, contour direction Deformation, both ends and centre are more than 3mm.

Utility model content

The utility model is mainly solving the technical problems that provide a kind of casting for the preparation of vermicular cast iron glass mold System can advantageously reduce casting technique difficulty, reduce vermicular cast iron glass mold spray casting stress, prevent manually When after blank profile and plane deformation lead to no machine-finish allowance.

In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of for compacted ink casting The running gate system of iron glass mold preparation, comprising: sprue, the first cross gate, left casting currency structure, right casting circulation knot Structure, left slag trap, right slag trap and riser；

First cross gate is located at the front end of blank cavity, and the sprue is perpendicular to first cross gate, and position In the middle part of first cross gate；

The left casting currency structure is located at the left side of the blank cavity, including left second cross gate and left inside running channel, One end of left second cross gate is connected to first cross gate, and left second cross gate is connected to left inside running channel, institute Left inside running channel is stated to be connected to the left side of the blank cavity；

The right casting currency structure and the left casting currency structure are symmetrical, and the right casting currency structure is located at institute State the right side of blank cavity, including right second cross gate and right ingate, one end and described first of right second cross gate Cross gate connection, right second cross gate are connected to right ingate, the right edge of the right ingate and the blank cavity Connection；

The left slag trap is located at left second cross gate and first cross gate junction；

The right slag trap is located at right second cross gate and first cross gate junction；

Gas vent is both provided at the top of the left slag trap and the right slag trap；

The riser is located at the upper surface of the blank cavity.

In one preferred embodiment of the utility model, first cross gate is in arc-shaped.

In one preferred embodiment of the utility model, the left slag trap and the right slag trap are cylindrical；And institute It states the first cross gate and the left slag trap and the right slag trap is in tangent line connection type respectively.

In one preferred embodiment of the utility model, there is strainer inside the left slag trap and the right slag trap.

In one preferred embodiment of the utility model, the left inside running channel be connected to the side of the blank cavity The length of one connector is greater than the length of the side 2/3 of the blank cavity, the side of the right ingate and the blank cavity The length of second connector of face connection is equal to the length of the first connector.

In one preferred embodiment of the utility model, the left inside running channel be connected to left second cross gate The length for the 4th connector that the length of three connectors is connected to the right ingate with right second cross gate is equal to The length of one connector.

In one preferred embodiment of the utility model, the left inside running channel and the right ingate are in contract type, and first The sectional area of connector and the second connector is less than the sectional area of third connector and the 4th connector.

In one preferred embodiment of the utility model, the riser is located at the highest point of the blank cavity upper surface.

In one preferred embodiment of the utility model, the riser is insulated feeder.

The beneficial effects of the utility model are: the utility model is used for the running gate system of vermicular cast iron glass mold preparation, Using two sides equilibrium by the way of molten iron, molten iron enters casting mold by sprue, by the first cross gate, is layered two strands of balanced iron Water, respectively enters the slag trap with strainer, and molten iron enters the second cross gate via slag trap again, by the second cross gate, with Very gentle mode enters ingate.For spray, molten iron enters simultaneously from two side directions, slowly and mud Core contact, loam core two sides temperature raise simultaneously, and are very symmetrical in entire running gate system stationary field distribution arrangement, therefore will not Excessive casting stress is generated in profile tolerance and in-plane, greatly reduced the deformation generated due to casting stress.So that It is absolutely qualified that the size qualification rate of spray has nearly reached, the subsequent stress relief annealing without carrying out artificial aging Process.Running gate system of the utility model for the preparation of vermicular cast iron glass mold is solved from source, vermicular cast iron glass Mold causes machining allowance insufficient, or even finally on Mechanism of I. S. Machine in use process, be deformed and produce because being easily deformed Raw the case where scrapping.Improve the quality of product and the yield rate of blank.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the running gate system of the prior art；

Fig. 2 is knot of the utility model for a kind of preferred embodiment of the running gate system of vermicular cast iron glass mold preparation Structure schematic diagram；

The components in the drawings are labeled as follows: 1a- sprue, 2a- slag trap, 3a- cross gate, 4a- ingate, and 5a- maos Base type chamber, 6a- loam core, 7a- riser；1- sprue, the left slag trap of 21-, the right slag trap of 22-, the first cross gate of 31-, the left side 32- Two cross gates, the second cross gate of the right side 33-, the left inside running channel of 41-, the right ingate of 42-, 5- blank cavity, 6- loam core, 7- riser, 8- Gas vent.

Specific embodiment

The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.

Referring to Fig. 2, the utility model embodiment includes:

A kind of running gate system for the preparation of vermicular cast iron glass mold, comprising: sprue 1, the first cross gate 31, a left side are poured Infuse currency structure, right casting currency structure, left slag trap 21, right slag trap 22 and riser 7.

First cross gate 31 is located at the front end of blank cavity 5, and the sprue 1 is perpendicular to first cross gate 31, and it is located at the middle part of first cross gate 31.In order to guarantee it is left casting currency structure and it is right casting currency structure it is symmetrical, The middle position that the sprue 1 is located at first cross gate 31 is best.The left casting currency structure and the right side are poured Note currency structure is located at the left and right sides of the blank cavity 5, and for being connected to first cross gate 31 and the hair Base type chamber 5.

The left casting currency structure is located at the left side of the blank cavity 5, including the second cross gate 32 of a left side and left inside pours The one end in road 41, left second cross gate 32 is connected to first cross gate 31, left second cross gate 32 and left inside Running channel 41 is connected to, and the left inside running channel 41 is connected to the left side of the blank cavity 5.The right casting currency structure with it is described Left casting currency structure is symmetrical, and the right casting currency structure is located at the right side of the blank cavity 5, including right second horizontal pours One end of road 33 and right ingate 42, right second cross gate 33 is connected to first cross gate 31, and described right second is horizontal Running channel 33 is connected to right ingate 42, and the right ingate 42 is connected to the right edge of the blank cavity 5.

The left slag trap 21 is located at left second cross gate 32 and 31 junction of the first cross gate；The right collection Cinder ladle 22 is located at right second cross gate 33 and 31 junction of the first cross gate；The left slag trap 21 and the right collection The top of cinder ladle 32 is both provided with gas vent 8.

The riser 7 is located at the upper surface of the blank cavity 5.And preferably, the riser 7 is located at the blank cavity The highest point of 5 upper surfaces is insulated feeder.

In the present embodiment, first cross gate 31 is in arc-shaped.The left slag trap 21 and the right slag trap 22 are in It is cylindric；And first cross gate 31 and the left slag trap 21 and the right slag trap 22 are in tangent line connection type respectively. There is strainer inside the left slag trap 21 and the right slag trap 22.The side of the left inside running channel 41 and the blank cavity 5 The length of first connector of face connection is greater than the length of the side 2/3 of the blank cavity, the length of first connector Equal with the side edge length of the blank cavity 5 is best.The right ingate 42 is connected to the side of the blank cavity 5 The length of second connector is equal to the length of the first connector.The left inside running channel 41 is connected to left second cross gate 32 The length for the 4th connector that the length of third connector is connected to the right ingate 42 with right second cross gate 33 is all Equal to the length of the first connector.The left inside running channel 41 and the right ingate 42 are in contract type, and the first connector and second The sectional area of connector is less than the sectional area of third connector and the 4th connector.

The utility model is used for the running gate system of vermicular cast iron glass mold preparation, using two sides equilibrium into the side of molten iron Formula.Molten iron enters blank cavity 5 by sprue 1, by the first cross gate 31, is layered two strands of balanced molten iron, respectively enters band There is the slag trap of strainer, due to the first cross gate 31 and slag trap tangentially shape connection type, whirlpool can be formed in slag trap, To which molten iron slag lock to be scheduled in two slag traps, gas vent is set right above slag trap, guarantees the gas generated in casting process Casting mold is smoothly discharged in physical efficiency, will not generate and wrap up in gas phenomenon, and molten iron enters the second cross gate via slag trap again, horizontal pours by second Road enters ingate in very gentle mode, since ingate and casting type chamber contacting section are significantly larger than traditional ingate, Therefore the slow equilibrium of molten iron flow rates will not generate splashing and the formation of secondary slag, simultaneously because ingate is in contract type, and with second Cross gate contacting section area is big, small with blank cavity contacting section area, for the vermicular cast iron blank of mushy freezing mode With excellent feeding effect, the function of the feeding in casting is realized, meanwhile, in casting highest point, setting insulated feeder, two Person's interaction, ensure that will not generate shrinkage cavity inside blank.Due to for spray, molten iron is from two side directions Enter simultaneously, slowly contacted with loam core 6,6 two sides temperature of loam core raises simultaneously, and is in entire running gate system stationary field distribution arrangement It is very symmetrical, therefore excessive casting stress will not be generated in profile tolerance and in-plane, it greatly reduced due to casting The deformation that stress generates.So that the size qualification rate of spray has nearly reached absolutely qualification, it is subsequent without carrying out The stress relief annealing process of artificial aging.

In the description of the present invention, it should be noted that term " on ", "lower", "left", "right", "inner", "outside" etc. The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when The orientation or positional relationship usually put, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.The above descriptions are merely preferred embodiments of the present invention, and it is practical new to be not limited to this Type, for those skilled in the art, the present invention may have various modifications and changes.All essences in the utility model Mind and principle within, any modification, equivalent replacement, improvement and so on, should be included in the protection scope of the utility model it It is interior.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (9)

1. a kind of running gate system for the preparation of vermicular cast iron glass mold characterized by comprising sprue, first horizontal are poured Road, left casting currency structure, right casting currency structure, left slag trap, right slag trap and riser；

First cross gate is located at the front end of blank cavity, and the sprue is located at institute perpendicular to first cross gate State the middle part of the first cross gate；

The left casting currency structure is located at the left side of the blank cavity, including left second cross gate and left inside running channel, described One end of left second cross gate is connected to first cross gate, and left second cross gate is connected to left inside running channel, the left side Ingate is connected to the left side of the blank cavity；

The right casting currency structure and the left casting currency structure are symmetrical, and the right casting currency structure is located at the hair The right side of base type chamber, including right second cross gate and right ingate, one end of right second cross gate horizontal are poured with described first Road connection, right second cross gate are connected to right ingate, and the right ingate is connected to the right edge of the blank cavity；

The left slag trap is located at left second cross gate and first cross gate junction；

The right slag trap is located at right second cross gate and first cross gate junction；

Gas vent is both provided at the top of the left slag trap and the right slag trap；

The riser is located at the upper surface of the blank cavity.

2. the running gate system according to claim 1 for the preparation of vermicular cast iron glass mold, which is characterized in that described the One cross gate is in arc-shaped.

3. the running gate system according to claim 2 for the preparation of vermicular cast iron glass mold, which is characterized in that the left side Slag trap and the right slag trap are cylindrical；And first cross gate is distinguished with the left slag trap and the right slag trap In tangent line connection type.

4. the running gate system according to claim 3 for the preparation of vermicular cast iron glass mold, which is characterized in that the left side There is strainer inside slag trap and the right slag trap.

5. the running gate system according to claim 1 for the preparation of vermicular cast iron glass mold, which is characterized in that the left side The length for the first connector that ingate is connected to the side of the blank cavity is greater than the length of the side 2/3 of the blank cavity Degree, the length for the second connector that the right ingate is connected to the side of the blank cavity are equal to the length of the first connector Degree.

6. the running gate system according to claim 5 for the preparation of vermicular cast iron glass mold, which is characterized in that the left side The length for the third connector that ingate is connected to left second cross gate and the right ingate and described right second horizontal pour The length of 4th connector of road connection is equal to the length of the first connector.

7. the running gate system according to claim 6 for the preparation of vermicular cast iron glass mold, which is characterized in that the left side Ingate and the right ingate are in contract type, and the sectional area of the first connector and the second connector is less than third connector and the The sectional area of four connectors.

8. the running gate system according to claim 1 for the preparation of vermicular cast iron glass mold, which is characterized in that described to emit Mouth is located at the highest point of the blank cavity upper surface.

9. the running gate system according to claim 8 for the preparation of vermicular cast iron glass mold, which is characterized in that described to emit Mouth is insulated feeder.