CN207735541U - A kind of multi-way valve sand core hot core box - Google Patents
A kind of multi-way valve sand core hot core box Download PDFInfo
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- CN207735541U CN207735541U CN201721886723.1U CN201721886723U CN207735541U CN 207735541 U CN207735541 U CN 207735541U CN 201721886723 U CN201721886723 U CN 201721886723U CN 207735541 U CN207735541 U CN 207735541U
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- cover half
- dynamic model
- way valve
- core
- plate
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Abstract
The utility model discloses a kind of multi-way valve sand core hot core boxes, including core box main body, it is characterised in that：The core box main body is made of dynamic model, cover half, and the cover half is arranged above dynamic model；It is provided with cover half mandrel plate above the cover half of the core box main body, cover half fire-spraying plate is provided with above the cover half mandrel plate；It is provided with dynamic model mandrel plate below the dynamic model of the core box main body, dynamic model fire-spraying plate is provided with below the dynamic model mandrel plate.The utility model application effect is good, can the effectively save energy improve efficiency, improve hot box design flexibility；Effectively solve the Core Box difficult point of the complicated sand core such as multi-way valve；Heated by gas efficiency is substantially better than electrical heating efficiency, energy conservation；Fire-spraying plate is located at mandril postlaminar part, is passed through without mandril, and arrangement gaspipe line is more random, unrestricted.The utility model is suitable for the especially complex multi-way valve sand core of all kinds of shapes.
Description
Technical field
The utility model belongs to casting technology field, particularly relates to a kind of multi-way valve sand core hot core box.
Background technology
Hot box is that precoated sand is made molding technological equipment.Multi-way valve is since product cavity is complex-shaped, surface light
Cleanliness requires high, dimension precision requirement height, most to be ensured using hot-box core making process.It need to be according to product difference when coremaking
Hot box is heated to 200-300 degree by precoated sand curing molding.
The shortcomings that traditional hot box majority heats hot box using Electric heating, this technique be：Dynamic model is determined
Reserved heating pipe hole is needed on mold core box, crosses entire core box, since there are ejecting mechanisms in core box, so boring heating pipe hole
When be easy to generate and interlock, complicated its ejecting mechanism of sand core is more complicated, and heating pipe hole is easy interference with jogger hole, gives
Routine use and design hot box bring puzzlement.
Invention content
The utility model makes up existing deficiency aiming at the above problem, provides a kind of hot core of multi-way valve sand core
Box effectively solves the Core Box difficult point of the complicated sand core such as multi-way valve.
To achieve the above object, the utility model adopts the following technical solution.
A kind of multi-way valve sand core hot core box of the utility model, including core box main body, it is characterised in that：The core box main body by
Dynamic model, cover half are constituted, and the cover half is arranged above dynamic model；It is provided with cover half mandril above the cover half of the core box main body
Plate is provided with cover half fire-spraying plate above the cover half mandrel plate；It is provided with dynamic model below the dynamic model of the core box main body
Mandrel plate is provided with dynamic model fire-spraying plate below the dynamic model mandrel plate.
As a kind of preferred embodiment of the utility model, the material of the dynamic model and cover half is HT250, the dynamic model with it is fixed
Mould is identical mode structure；Multi-way valve main core, ejecting mechanism, arbor, sand-spraying hole are respectively provided in the dynamic model, cover half,
Multi-way valve main core both sides are connected separately with ejecting mechanism, and the ejecting mechanism of multi-way valve main core side is connected with sand-spraying hole, more
Road valve main core other side ejecting mechanism is connected with arbor；It is provided with jogger hole on the ejecting mechanism, connects on the jogger hole
It is connected to mandril.
As another preferred embodiment of the utility model, it is fixedly linked by positioning pin between the dynamic model and cover half.
As another preferred embodiment of the utility model, it is distributed and is provided on the cover half mandrel plate, dynamic model mandrel plate
Mandril punched out, flame nozzle aperture.
As another preferred embodiment of the utility model, between the cover half and cover half mandrel plate, dynamic model and dynamic model top
It is fixedly linked across mandril punched out by mandril between bar plate.
Further, the mandril outer diameter is correspondingly arranged with mandril punched out internal diameter.
As another preferred embodiment of the utility model, the cover half mandrel plate, dynamic model mandrel plate material be 45#
Steel, thickness 10-15mm.
As another preferred embodiment of the utility model, coal is placed on the cover half fire-spraying plate, dynamic model fire-spraying plate
Air pipe and bocca, bocca pass through flame nozzle aperture opposite direction sand core main body.
Further, the bocca outer diameter is correspondingly arranged with flame nozzle aperture internal diameter.
As another preferred embodiment of the utility model, the cover half fire-spraying plate, dynamic model fire-spraying plate material are 45#
Steel, thickness 25-30mm.
Specifically, pass through between the cover half mandrel plate and cover half fire-spraying plate, between dynamic model mandrel plate and dynamic model fire-spraying plate
Bolt is fixedly connected.
The utility model advantageous effect.
A kind of multi-way valve sand core hot core box provided by the utility model：Compared with prior art, hot box ejecting mechanism
It can preferentially ensure product, arbitrarily design；Gas circuit is not limited by mandril position；The utility model application effect is good, can be effective
Energy saving raising efficiency improves hot box design flexibility.
The hot box of the utility model uses heated by gas；The fire-spraying plate is located at mandrel plate rear；Fire-spraying plate coal gas gas
Road is arbitrarily arranged；Dynamic model, cover half need not bore heating pipe hole.Multi-way valve sand core is mostly complex-shaped, and diameter is smaller, heated by gas
The heated uniformity of hot box can be improved so that sand core integrally curing, keep from heat the uneven deformation generated.
Description of the drawings
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with the drawings and the specific embodiments, the present invention will be further described in detail.It should be appreciated that tool described herein
Body embodiment is only used to explain the utility model, is not used to limit the utility model.
Fig. 1 is a kind of Integral combined structure schematic diagram of multi-way valve sand core hot core box of the utility model.
Fig. 2 is a kind of structural representation of the cover half fire-spraying plate and dynamic model fire-spraying plate of multi-way valve sand core hot core box of the utility model
Figure.
Fig. 3 is a kind of structural representation of the cover half mandrel plate of multi-way valve sand core hot core box and dynamic model fixed pole plate of the utility model
Figure.
Fig. 4 is a kind of structural schematic diagram of the cover half and dynamic model of multi-way valve sand core hot core box of the utility model.
It is marked in figure：1 is cover half fire-spraying plate, and 2 be cover half mandrel plate, and 3 be cover half, and 4 be dynamic model, and 5 be dynamic model mandrel plate, 6
It is gaspipe line for dynamic model fire-spraying plate, 7,8 be bocca, 9 be mandril punched out, 10 be flame nozzle aperture, 11 be sand-spraying hole, 12 is
Positioning pin, 13 be multi-way valve main core, 14 be jogger hole, 15 be arbor.
Specific implementation mode
In conjunction with shown in attached drawing, a kind of multi-way valve sand core hot core box of the utility model, including core box main body, it is characterised in that：
The core box main body is made of dynamic model 4, cover half 3, and the cover half 3 is arranged above dynamic model 4；In the cover half 3 of the core box main body
Top is provided with cover half mandrel plate 2, and cover half fire-spraying plate 1 is provided with above the cover half mandrel plate 2；In the core box main body
The lower section of dynamic model 4 be provided with dynamic model mandrel plate 5, be provided with dynamic model fire-spraying plate 6 below the dynamic model mandrel plate 5.
The material of the dynamic model 4 and cover half 3 is HT250, and the dynamic model 4 is identical mode structure with cover half 3；The dynamic model
4, multi-way valve main core 13, ejecting mechanism, arbor 15, sand-spraying hole 11,13 liang of the multi-way valve main core are respectively provided in cover half 3
Side is connected separately with ejecting mechanism, and the ejecting mechanism of 13 side of multi-way valve main core is connected with sand-spraying hole 11, and multi-way valve main core 13 is another
Side ejecting mechanism is connected with arbor 15；It is provided with jogger hole 14 on the ejecting mechanism, is connected on the jogger hole 14
Mandril.
Specifically, the dynamic model 4 can be adjusted with 3 size of cover half according to multi-way valve product size, and to protect
Card product size precision need to carry out annealing destressing processing.
It is fixedly linked by positioning pin 12 between the dynamic model 4 and cover half 3.
Distribution is provided with mandril punched out 9, flame nozzle aperture 10 on the cover half mandrel plate 2, dynamic model mandrel plate 5.
It is pierced by across mandril between the cover half 3 and cover half mandrel plate 2, between dynamic model 4 and dynamic model mandrel plate 5 by mandril
Hole 9 is fixedly linked.
Further, the mandril outer diameter is correspondingly arranged with 9 internal diameter of mandril punched out.
The material of the cover half mandrel plate 2, dynamic model mandrel plate 5 is 45# steel, thickness 10-15mm.
Gaspipe line 7 and bocca 8 are placed on the cover half fire-spraying plate 1, dynamic model fire-spraying plate 6, bocca 8 passes through spray
The opposite sand core main body in nozzles hole 10.
Further, 8 outer diameter of bocca is correspondingly arranged with 10 internal diameter of flame nozzle aperture.
The cover half fire-spraying plate 1,6 material of dynamic model fire-spraying plate are 45# steel, thickness 25-30mm；This thickness is convenient for arrangement coal
Air pipe 7 and bocca 8.
Specifically, between the cover half mandrel plate 2 and cover half fire-spraying plate 1, between dynamic model mandrel plate 5 and dynamic model fire-spraying plate 6
It is bolted to connection.
Gaspipe line 7 and bocca 8 are arranged on the fire-spraying plate of the utility model multi-way valve sand core hot core box；Cloth on mandrel plate
Set flame nozzle aperture 10 and mandril punched out 9；Dynamic model 4, cover half 3 constitute core box main body.Preferentially according to product structure design when making
The ejecting mechanism of sand core, to ensure that sand core can be completely ejected；After the completion of ejecting mechanism design, on hot box fire-spraying plate
The bocca 8 of heating is arranged in remaining clear position according to demand, then walking according to 8 Position Design gaspipe line 7 of bocca
To；It is assembled, is used after the completion of designing and producing.Hot box vertical parting, level open box.Ventilating coal gas when coremaking, bocca 8 spray
Fire heats hot box.Coremaking is carried out after reaching required temperature.Needle-valve can be set on gaspipe line 7, for adjusting coal gas
Supply amount controls flame size to control hot box temperature.
The utility model has the advantage of：Mandril position can be arbitrarily set, do not needed to add heating tube by traditional hot box
The limitation in hole；Heated by gas efficiency is substantially better than electrical heating efficiency, energy conservation；Fire-spraying plate is located at mandril postlaminar part, without top
Bar passes through, and arrangement gaspipe line is more random, unrestricted.The utility model is suitable for the especially complex multi-way valve of all kinds of shapes
Sand core.
It is understood that above with respect to the specific descriptions of the utility model, it is merely to illustrate the utility model and is not
It is limited to technical solution described in the utility model embodiment, it will be understood by those of ordinary skill in the art that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technique effect；Needs are used as long as meeting, all in this reality
Within novel protection domain.
Claims (10)
1. a kind of multi-way valve sand core hot core box, including core box main body, it is characterised in that：The core box main body is by dynamic model（4）, cover half
（3）It constitutes, the cover half（3）It is arranged in dynamic model（4）Top；In the cover half of the core box main body（3）Top is provided with cover half top
Bar plate（2）, in the cover half mandrel plate（2）Top is provided with cover half fire-spraying plate（1）；In the dynamic model of the core box main body（4）
Lower section is provided with dynamic model mandrel plate（5）, in the dynamic model mandrel plate（5）Lower section is provided with dynamic model fire-spraying plate（6）.
2. a kind of multi-way valve sand core hot core box according to claim 1, it is characterised in that：The dynamic model（4）With cover half（3）
Material be HT250, the dynamic model（4）With cover half（3）For identical mode structure；The dynamic model（4）, cover half（3）Inside respectively
It is provided with multi-way valve main core（13）, ejecting mechanism, arbor（15）, sand-spraying hole（11）, the multi-way valve main core（13）Distinguish both sides
It is connected with ejecting mechanism, multi-way valve main core（13）The ejecting mechanism of side is connected with sand-spraying hole（11）, multi-way valve main core（13）Separately
Side ejecting mechanism is connected with arbor（15）；It is provided with jogger hole on the ejecting mechanism（14）, the jogger hole（14）On
It is connected with mandril.
3. a kind of multi-way valve sand core hot core box according to claim 1, it is characterised in that：The dynamic model（4）With cover half（3）
Between pass through positioning pin（12）It is fixedly linked.
4. a kind of multi-way valve sand core hot core box according to claim 1, it is characterised in that：The cover half mandrel plate（2）, it is dynamic
Mould mandrel plate（5）Upper distribution is provided with mandril punched out（9）, flame nozzle aperture（10）.
5. a kind of multi-way valve sand core hot core box according to claim 4, it is characterised in that：The cover half（3）With cover half top
Bar plate（2）Between, dynamic model（4）With dynamic model mandrel plate（5）Between by mandril pass through mandril punched out（9）It is fixedly linked.
6. a kind of multi-way valve sand core hot core box according to claim 5, it is characterised in that：The mandril outer diameter and mandril
Punched out（9）Internal diameter is correspondingly arranged.
7. a kind of multi-way valve sand core hot core box according to claim 1, it is characterised in that：The cover half mandrel plate（2）、
Dynamic model mandrel plate（5）Material be 45# steel, thickness 10-15mm.
8. a kind of multi-way valve sand core hot core box according to claim 1, it is characterised in that：The cover half fire-spraying plate（1）、
Dynamic model fire-spraying plate（6）On be placed with gaspipe line（7）And bocca（8）, bocca（8）Across flame nozzle aperture（10）Opposite sand core
Main body.
9. a kind of multi-way valve sand core hot core box according to claim 8, it is characterised in that：The bocca（8）Outer diameter
With flame nozzle aperture（10）Internal diameter is correspondingly arranged.
10. a kind of multi-way valve sand core hot core box according to claim 1, it is characterised in that：The cover half fire-spraying plate
（1）, dynamic model fire-spraying plate（6）Material is 45# steel, thickness 25-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886723.1U CN207735541U (en) | 2017-12-29 | 2017-12-29 | A kind of multi-way valve sand core hot core box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886723.1U CN207735541U (en) | 2017-12-29 | 2017-12-29 | A kind of multi-way valve sand core hot core box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207735541U true CN207735541U (en) | 2018-08-17 |
Family
ID=63120682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886723.1U Active CN207735541U (en) | 2017-12-29 | 2017-12-29 | A kind of multi-way valve sand core hot core box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207735541U (en) |
-
2017
- 2017-12-29 CN CN201721886723.1U patent/CN207735541U/en active Active
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