CN206869021U - Novel riser and its casting mould of application - Google Patents

Novel riser and its casting mould of application Download PDF

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Publication number
CN206869021U
CN206869021U CN201720662469.0U CN201720662469U CN206869021U CN 206869021 U CN206869021 U CN 206869021U CN 201720662469 U CN201720662469 U CN 201720662469U CN 206869021 U CN206869021 U CN 206869021U
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China
Prior art keywords
rising head
cavity
die cavity
big
exhaust outlet
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CN201720662469.0U
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Chinese (zh)
Inventor
简伟文
周万祥
耿家勤
陈伟云
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Foshan Nanhai Superband Mould Co Ltd
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Foshan Nanhai Superband Mould Co Ltd
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Priority to CN201720662469.0U priority Critical patent/CN206869021U/en
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Abstract

It the utility model is related to a kind of novel riser and its casting mould of application, rising head includes rising head matrix, the rising head matrix is substantially cylindrical in shape so as to have axially extending rising head die cavity, the rising head die cavity is used to store molten metal, it is characterized in that, the rising head die cavity is in cone-shaped so as to have big endfeed mouth and small end exhaust outlet, the rising head die cavity is in axial direction divided into interconnected dilatation chamber and adapter cavity, the dilatation chamber connects the big endfeed mouth, the adapter cavity connection is arranged between the small end exhaust outlet and the dilatation chamber, the radial cross-section of the dilatation chamber is in plum blossom-shaped.Because the utility model has These characteristics and advantage, may apply to for this on novel riser and its casting mould of application.

Description

Novel riser and its casting mould of application
Technical field
The present invention relates to a kind of mould, the casting mould of more particularly to a kind of novel riser and its application.
Background technology
Gravity foundry technology is metal liquid natural mold filling and solidification under gravity, therefore the cause of the casting after solidification Close property is poor, and easily occur shrinkage cavity and it is loose the defects of, cause yields low.In order to solve the above problems, cast in gravity Rising head is often both provided with modeling tool.The rising head has rising head die cavity, the cast moulding of the rising head die cavity and the mould Chamber connects.During casting, molten metal first fills the casting mold cavity under gravity, then refills described The rising head die cavity of rising head.During cooled and solidified, the molten metal elder generation cooled and solidified in the casting mold cavity, is finally described Molten metal in rising head die cavity.So, caused impurity and gas are extruded to the rising head in molten metal cavity filling process The feeding of rising head die cavity inner metal liquid is obtained in die cavity, and in process of setting, so as to ensure the quality of casting.Therefore, it is described to emit Mouth primarily serves feeding, takes into account exhaust and collects the effect of slag.So the size of the volume of the rising head die cavity is most important.It is described The volume of rising head die cavity is bigger, and its feeding, exhaust and the effect of collection slag are more notable.The conventional dead head structure can be from China Drawn in utility model patent 201120557100.6, the rising head includes the cylinder of cone, and sky is provided with the cylinder Chamber, the circular in cross-section shape of the cavity.The cylinder upper end has the stepped hole coordinated with rising head plug, and has outside lower end Flange, connection holes are provided with the flange, also there is step-like chuck in the lower end of the cylinder.So, by the cavity Store molten metal.
The content of the invention
The volume of rising head disclosed in patent 201120557100.6 is very limited, in order to keep the rising head On the basis of original volume, expand the volume of the rising head die cavity of the rising head, structure of the present invention to the rising head as best one can It is further improved, proposes a kind of novel riser, including rising head matrix, the rising head matrix is substantially cylindrical in shape so as to have Axially extending rising head die cavity, the rising head die cavity are used to store molten metal, it is characterised in that the rising head die cavity is in cone Shape so as to have big endfeed mouth and a small end exhaust outlet, the rising head die cavity be in axial direction divided into interconnected dilatation chamber with Adapter cavity, the dilatation chamber connect the big endfeed mouth, and the adapter cavity connection is arranged at the small end exhaust outlet and dilatation Between chamber, the radial cross-section of the dilatation chamber is in plum blossom-shaped.
Wherein, the small end exhaust outlet is the passage of rising head die cavity connection exterior space, in the rising head die cavity Gas can pass through the externally discharged space of steam vent for the venting plug for connecting the small end exhaust outlet.
Wherein, the rising head die cavity is in cone-shaped so as to have big endfeed mouth and small end exhaust outlet, that is to say, that described The volume of rising head die cavity is to be gradually reduced from the big endfeed mouth to the small end exhaust outlet direction.So, be advantageous to slow down The flow velocity and cooling velocity of the molten metal entered in the rising head die cavity.
According to above-mentioned technical proposal, compared with the structure of the rising head disclosed in patent 201120557100.6, the present invention Acquired advantageous effects are, because the radial cross-section of the dilatation chamber is in plum blossom-shaped, in such manner, it is possible to keep institute On the basis of stating the original volume of rising head, the volume of the rising head die cavity is effectively expanded, the wall without making the rising head Heat insulation effect and structural strength are had influence on thicker than spending thinning.Expand volume after the rising head cavity volume can further slow down into Enter flow velocity and cooling velocity to the molten metal in the rising head die cavity, optimize feeding function and exhaust velocity.
Further technical scheme is also possible that the radial cross-section of the adapter cavity is in rounded shape, the dilatation chamber Radial cross-section along from the big endfeed mouth towards the direction of the small end exhaust outlet from the gradual transition of plum blossom-shaped be toroidal, So as to the adapter cavity smooth transition.So, be not in obvious acute angle in the cavity wall of the rising head die cavity and have influence on The flowing of the molten metal, the molten metal for making to enter in the rising head die cavity flows more smooth, and temperature is more uniform And occur bubble when reducing the solidification of molten metal in the rising head die cavity and influence feeding function.
Further technical scheme, which is also possible that on the rising head matrix, is additionally provided with axially extending installation cavity, institute One end connection exterior space of installation cavity is stated, the other end connects the small end exhaust outlet.
Further technical scheme is also possible that the adpting flange for also including and being arranged on the rising head matrix, described Adpting flange is set close to the big endfeed mouth.
The present invention also proposes a kind of casting mould using the rising head, includes the casting mold cavity for manufacturing casting, The big endfeed mouth of the rising head connects setting with the casting mold cavity.
Further technical scheme, which is also possible that, also includes venting plug, and the venting plug is arranged on the peace of the rising head In behaveing affectedly.
Because the present invention has These characteristics and advantage, novel riser and its casting mould of application are may apply to for this On.
Brief description of the drawings
Fig. 1 is the cross-sectional view using the casting mould of the rising head of technical solution of the present invention;
Fig. 2 is the dimensional structure diagram using the novel riser of technical solution of the present invention;
Fig. 3 is the dimensional structure diagram after the rising head cutting half shown in Fig. 2;
Fig. 4 is the structural representation for looking up direction of the rising head shown in Fig. 2;
Fig. 5 is the cross-sectional view in A-A directions in Fig. 4.
Embodiment
The structure of the novel riser to application technical solution of the present invention and its casting mould of application is made below in conjunction with the accompanying drawings Further instruction.
It is using the casting mould for having rising head 100 as shown in Figure 1, includes the upper mould 52 split up and down and lower mould 53, if Put the side form 54 between mould 52 and lower mould 53 on described.The substantial middle position of mould 52 also sets up core rod 51 on described.Institute State mould 52, lower mould 53, side form 54 and the core rod 51 and surround casting mold cavity for manufacturing casting 5.Below in conjunction with the accompanying drawings 2, Fig. 3, Fig. 4 and Fig. 5 are described in detail to the structure of the rising head 100.
The rising head 100 includes rising head matrix 1, and the rising head matrix 1 is substantially cylindrical in shape so as to be emitted with axially extending Shape of the mouth as one speaks chamber 3, the rising head die cavity 3 are used to store molten metal, and the rising head die cavity 3 is in cone-shaped so as to have big endfeed mouth 32 and small end exhaust outlet 33.That is, the volume of the rising head die cavity 3 is arranged from the big endfeed mouth 32 to the small end The direction of gas port 33 is gradually reduced.So, be advantageous to slow down flow velocity and the cooling of the molten metal entered in the rising head die cavity 3 Speed.Wherein, the small end exhaust outlet 33 is the passage that the rising head die cavity 3 connects exterior space, in the rising head die cavity 3 Gas can pass through the externally discharged space of steam vent for the venting plug 6 for connecting the small end exhaust outlet 33.
The rising head die cavity 3 is in axial direction divided into interconnected dilatation chamber 30 and adapter cavity 31, the dilatation chamber 30 The big endfeed mouth 32 is connected, the connection of adapter cavity 31 is arranged between the small end exhaust outlet 33 and dilatation chamber 30.Institute State that the radial cross-section of adapter cavity 31 is in rounded shape, the radial cross-section of the dilatation chamber 30 is along from the big court of endfeed mouth 32 To the direction of the small end exhaust outlet 33 from the gradual transition of plum blossom-shaped be toroidal, so as to the smooth transition of adapter cavity 31. So, be not in obvious acute angle in the cavity wall of the rising head die cavity 3 and have influence on the flowing of the molten metal, make entrance Flow more smooth to the molten metal in the rising head die cavity 3, temperature more uniformly reduces the gold in the rising head die cavity 3 Occur bubble during category liquation solidification and influence feeding function.Certainly another embodiment, the adapter cavity 31 and dilatation are used as The radial cross-section of chamber 30 is all also possible in plum blossom-shaped.With the knot of rising head 100 disclosed in patent 201120557100.6 Structure is compared, and the advantageous effects acquired by the present invention are, radial cross-section can in the dilatation chamber 30 of plum blossom-shaped On the basis of 100 original volume of rising head is kept, the volume of the rising head die cavity 3 is effectively expanded, without making The wall thickness of the rising head 100 is excessively thinning and has influence on heat insulation effect and structural strength.Expand the rising head 100 after volume to hold Chamber can further slow down the flow velocity and cooling velocity of the molten metal entered in the rising head die cavity 3, optimize feeding function And exhaust velocity.
Axially extending installation cavity 4 is additionally provided with the rising head matrix 1, one end connection of the installation cavity 4 is outside Space, the other end connect the small end exhaust outlet 33.Venting plug 6 is provided with the installation cavity 4.In the rising head die cavity 3 The gas externally discharged space of steam vent that passes through the venting plug 6.In addition to it is easy to the rising head 100 to be fixed to institute State on core rod 51, adpting flange 2 is additionally provided with the rising head matrix 1, the adpting flange 2 is close to the big endfeed mouth 32 are set.During installation, screw is fixed to the rising head 100 on the core rod 51 through the adpting flange 2, so as to also make institute The big endfeed mouth 32 for stating rising head 100 connects setting with the casting mold cavity.
Because the present invention has These characteristics and advantage, the casting of novel riser 100 and its application is may apply to for this On mould.

Claims (6)

1. novel riser, including rising head matrix, the rising head matrix is substantially cylindrical in shape so as to have axially extending rising head die cavity, The rising head die cavity is used to store molten metal, it is characterised in that the rising head die cavity is in cone-shaped so as to have big endfeed Mouth and small end exhaust outlet, the rising head die cavity are in axial direction divided into interconnected dilatation chamber and adapter cavity, the dilatation chamber The big endfeed mouth is connected, the adapter cavity connection is arranged between the small end exhaust outlet and the dilatation chamber, the expansion The radial cross-section of cavity volume is in plum blossom-shaped.
2. rising head according to claim 1, it is characterised in that the radial cross-section of the adapter cavity is in rounded shape, described The radial cross-section of dilatation chamber along from the big endfeed mouth towards the direction of the small end exhaust outlet from the gradual transition of plum blossom-shaped For toroidal, so as to the adapter cavity smooth transition.
3. rising head according to claim 1 or 2, it is characterised in that be additionally provided with the rising head matrix axially extending Installation cavity, one end connection exterior space of the installation cavity, the other end connects the small end exhaust outlet.
4. rising head according to claim 1 or 2, it is characterised in that also include the company being arranged on the rising head matrix Acting flange, the adpting flange are set close to the big endfeed mouth.
5. the casting mould of the application any rising head of Claims 1-4, it is characterised in that include for manufacturing casting Casting mold cavity, the big endfeed mouth of the rising head connect setting with the casting mold cavity.
6. casting mould according to claim 5, it is characterised in that also include venting plug, the venting plug is arranged on In the installation cavity of the rising head.
CN201720662469.0U 2017-06-08 2017-06-08 Novel riser and its casting mould of application Active CN206869021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720662469.0U CN206869021U (en) 2017-06-08 2017-06-08 Novel riser and its casting mould of application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720662469.0U CN206869021U (en) 2017-06-08 2017-06-08 Novel riser and its casting mould of application

Publications (1)

Publication Number Publication Date
CN206869021U true CN206869021U (en) 2018-01-12

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Country Status (1)

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CN (1) CN206869021U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11358212B2 (en) * 2019-02-13 2022-06-14 GTP Schäfer Gießtechnische Produkte GmbH Riser sleeve, method for producing a riser body for the riser sleeve as well as an expander element and core box for producing a riser body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11358212B2 (en) * 2019-02-13 2022-06-14 GTP Schäfer Gießtechnische Produkte GmbH Riser sleeve, method for producing a riser body for the riser sleeve as well as an expander element and core box for producing a riser body

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