CN203621433U - Roller centrifugal casting die die-orifice part convenient to disassemble - Google Patents
Roller centrifugal casting die die-orifice part convenient to disassemble Download PDFInfo
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- CN203621433U CN203621433U CN201320715790.2U CN201320715790U CN203621433U CN 203621433 U CN203621433 U CN 203621433U CN 201320715790 U CN201320715790 U CN 201320715790U CN 203621433 U CN203621433 U CN 203621433U
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- die
- orifice part
- centrifugal casting
- die orifice
- sandy soil
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Abstract
The utility model discloses a roller centrifugal casting die die-orifice part convenient to disassemble. The die-orifice part is integrally of a cylinder shape; the end of an inlet of the die-orifice part is concave inwards between the outer peripheral wall and an internal opening to form a ring-shaped groove. The die orifice part is characterized in that the outer peripheral wall of the end of the inlet of the die orifice part is provided with a circle of convex bulge and the bulge in the direction far from the inlet is provided with a circle of mounting groove for sleeving a die body; and the groove wall on the outer side of the mounting groove is provided with an internal screw thread. The roller centrifugal casting die die-orifice part has the advantages of simple structure, convenience and rapidness for being connected with the die body and being disassembled, capability of avoiding a sandy barrier layer from being cracked in the baking process, convenience, rapidness and labor saving for removing the sandy barrier layer when the roller centrifugal casting die die-orifice part is used for the second time, and the like.
Description
Technical field
The utility model relates to the centrifugal casting die to a kind of roll stage casing roller, especially relates to a kind of easy-to-dismount roller centrifugal casting die die orifice part.
Background technology
Roll is the strength member on steel rolling mill's rolling mill, and the pressure producing while utilizing a pair of or one group of roll rolling rolls stone roller steel.Dynamic And Static Loads when it mainly bears rolling, the impact of wearing and tearing and variations in temperature.The structural entity of roll is cylindrical, comprises the larger rolling portion and the less installation end of diameter that is positioned at two ends of diameter that is positioned at middle part, the rolling of iron and steel when its rolling portion is used for work, and two ends are fixed for the installation of self.
In the time that roll does not need to bear compared with heavy load, usually interlude is made as to the drum structure of hollow to save material.In prior art, adopt common casting forming to obtain when this roller of rolling, bulk material properties equilibrium, and roll interlude surface is working face, working face easily bears friction can produce wearing and tearing.Therefore applicant considers to adopt centrifugally cast mode, improves roller surface material capability, improves roller surface quality, and then increases the service life.
In existing centrifugal casting die, generally adopt columnar mould, then adopt the rotation of driving mechanism driven mold to pour into a mould.Meanwhile, in mould, mould mouth member generally will be set, mould mouth member integrated is cylindrical, and its import one end indent between outer circle wall and internal orifice forms a cannelure, and the other end is for being connected with die ontology.When mould mouth member uses, need to go out a sandy soil interlayer at cannelure internal shaping and form casting gate, like this after casting, the residual metal liquid coagulum adhering on casting gate, can be eliminated by knocking out sandy soil interlayer, avoids molten metal coagulum to destroy casting gate and affects secondary use.
In existing centrifugal casting die, the general external connection type structure that adopts between mould mouth member (being called for short die orifice part) and die ontology, for example China's number of patent application 201220701167 once disclosed a kind of centrifugal casting device, wherein die orifice part and die ontology are the version that adopts this circumscribed, when this structure is used, the molten metal of casting easily lets out between mould mouth member and die ontology, therefore be unfavorable for connecting and feed liquor, therefore applicant considers mould mouth member to adopt internal connecting type structure to be arranged in the step of inside, die ontology porch, the problem that can avoid like this molten metal to leak.But die orifice part changes into after internal connecting type structure, if still adopt the mode and the die ontology that screw thread are set in die orifice part appearance to be threaded, because die orifice part is positioned at die ontology inside, when casting, heating temperature is higher, and between die orifice part and die ontology, temperature contrast can produce to expand with heat and contract with cold and cause screw thread between die orifice part and die ontology be out of shape and be difficult to dismantle.So just need to consider that the die orifice part how a kind of new construction is set solves problem for convenience detach; In addition,, also there is the sandy soil interlayer arranging easy cracking in bake process in existing mould mouth member, and when secondary uses, sandy soil interlayers the defect such as is difficult for knocking out and need to considers to solve.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of simple in structure, the roller centrifugal casting die die orifice part of the convenient internal connecting type being connected with die ontology and dismantle.
In order to solve the problems of the technologies described above, in the utility model, adopt following technical scheme:
A kind of easy-to-dismount roller centrifugal casting die die orifice part, die orifice part entirety is cylindrical, its import one end indent between outer circle wall and internal orifice forms a cannelure, it is characterized in that, die orifice part import one end has the projection of a circle evagination and in projection, deviates from importer to being provided with the mounting groove of a circle for sheathed die ontology on outer circle wall, is provided with internal thread outside mounting groove on cell wall.
In the utility model, die orifice part import one end has the projection of a circle evagination and mounting groove and connecting thread is set in this projection on outer circle wall.Install like this after die orifice part, mounting groove screws by screw thread after being set to die ontology circle mouth again.Connecting thread is between the mounting groove of the circle mouth projection of die ontology outer surface and die orifice part like this, and the temperature of position is lower and two sides temperature is basically identical herein, avoided expanded by heating and causes being threaded and be difficult to the defect of dismounting.Make it have not only convenient installation but also advantage for convenience detach.
As optimization, on the outer circle wall of cannelure position, described die orifice part import one end, be also evenly distributed with some ventilative through holes of using.
Like this, be shaped after sandy soil interlayer, baking makes in the process of its sclerosis, and the moisture of sandy soil interlayer can be from breathing freely with the excessive additional issue in through hole, thereby make sandy soil interlayer inside, rate of drying is more even everywhere, avoids forming cracking.Simultaneously can also be in the time that sandy soil interlayer be set, just first inserting steel bar enters ventilative with in through hole, steel bar is extracted out ventilative with through hole before baking, like this, sandy soil interlayer is inner to be formed and the ventilative duct communicating with through hole, more be beneficial to the even volatilization of moisture, the concentrated situation of sandy soil interlayer internal stress can be alleviated in duct simultaneously, guarantees that better sandy soil interlayer can not ftracture.
As optimization, also be provided with sandy soil interlayer cleaning machine, described sandy soil interlayer cleaning machine, comprise the free bearing that is arranged at cannelure exterior notch position, on free bearing, be hinged with a lever, lever one end is positioned at outside notch and has a tabular force section extending radially outward, and the lever other end is positioned at cannelure bottom land and is connected with the connecting plate of a horizontally set, is provided with several grasping teeths of extending along notch direction on connecting plate.
After optimizing like this, when needing to knock out sandy soil interlayer reset before using die orifice part next time, only need the force section that adopts iron hammer to knock lever, the lever other end is upturned, grasping teeth can be broken layer and be gone out, sandy soil interlayer is destroyed, make it can easily complete effortlessly the removing of sandy soil interlayer.
Further, described sandy soil interlayer cleaning machine has several and is uniformly distributed circumferentially in cannelure exterior notch.Make its convenient removing.
In sum, the utlity model has simple in structurely, and die ontology connection disassembling is all convenient and swift, can avoid ftractureing in sandy soil interlayer bake process, removes the convenient and swift advantage such as laborsaving of sandy soil interlayer when secondary uses simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of easy-to-dismount roller centrifugal casting die die orifice part while specifically implementing.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
When concrete enforcement, as shown in Figure 1, a kind of easy-to-dismount roller centrifugal casting die die orifice part, die orifice part entirety is cylindrical, its import one end indent between outer circle wall and internal orifice forms a cannelure 1, die orifice part import one end has the projection of a circle evagination and in projection, deviates from importer to being provided with the mounting groove 2 of a circle for sheathed die ontology on outer circle wall, on mounting groove 2 outside cell walls, is provided with internal thread.On the outer circle wall of cannelure position, described die orifice part import one end, be also evenly distributed with some ventilative with through hole 3.Also be provided with sandy soil interlayer cleaning machine, described sandy soil interlayer cleaning machine, comprise the free bearing 4 that is arranged at cannelure exterior notch position, on free bearing, be hinged with a lever 5, lever 5 one end are positioned at outside notch and have a tabular force section 6 extending radially outward, lever 5 other ends are positioned at cannelure bottom land and are connected with the connecting plate of a horizontally set, are provided with several grasping teeths 7 of extending along notch direction on connecting plate.Described sandy soil interlayer cleaning machine has several and is uniformly distributed circumferentially in cannelure 1 exterior notch.
When above-mentioned die orifice part uses, install after die orifice part, mounting groove screws by screw thread after being set to die ontology circle mouth again.Connecting thread is between the mounting groove of the circle mouth projection of die ontology outer surface and die orifice part like this, and the temperature of position is lower and two sides temperature is basically identical herein, avoided expanded by heating and causes being threaded and be difficult to the defect of dismounting.Make it have not only convenient installation but also advantage for convenience detach.Further be provided with the ventilative through hole of using, like this, be shaped after sandy soil interlayer simultaneously, baking makes in the process of its sclerosis, the moisture of sandy soil interlayer can be from breathing freely with the excessive additional issue in through hole, thereby make sandy soil interlayer inside, rate of drying is more even everywhere, avoids forming cracking.Simultaneously can also be in the time that sandy soil interlayer be set, just first inserting steel bar enters ventilative with in through hole, steel bar is extracted out ventilative with through hole before baking, like this, sandy soil interlayer is inner to be formed and the ventilative duct communicating with through hole, more be beneficial to the even volatilization of moisture, the concentrated situation of sandy soil interlayer internal stress can be alleviated in duct simultaneously, guarantees that better sandy soil interlayer can not ftracture.Also be provided with sandy soil interlayer cleaning machine, when needing to knock out sandy soil interlayer like this before using die orifice part next time and resetting, only need the force section that adopts iron hammer to knock lever, the lever other end is upturned, grasping teeth can be broken layer and be gone out, sandy soil interlayer is destroyed, make it can easily complete effortlessly the removing of sandy soil interlayer.
Therefore it is simple in structure that above-mentioned die orifice part has, be connected with die ontology and dismantle all convenient and swiftly, can avoid ftractureing in sandy soil interlayer bake process, when secondary uses simultaneously, remove the convenient and swift advantage such as laborsaving of sandy soil interlayer.
Claims (4)
1. an easy-to-dismount roller centrifugal casting die die orifice part, die orifice part entirety is cylindrical, its import one end indent between outer circle wall and internal orifice forms a cannelure, it is characterized in that, die orifice part import one end has the projection of a circle evagination and in projection, deviates from importer to being provided with the mounting groove of a circle for sheathed die ontology on outer circle wall, is provided with internal thread outside mounting groove on cell wall.
2. easy-to-dismount roller centrifugal casting die die orifice part as claimed in claim 1, is characterized in that, is also evenly distributed with some ventilative through holes of using on the outer circle wall of cannelure position, described die orifice part import one end.
3. easy-to-dismount roller centrifugal casting die die orifice part as claimed in claim 1, it is characterized in that, also be provided with sandy soil interlayer cleaning machine, described sandy soil interlayer cleaning machine, comprise the free bearing that is arranged at cannelure exterior notch position, on free bearing, be hinged with a lever, lever one end is positioned at outside notch and has a tabular force section extending radially outward, the lever other end is positioned at cannelure bottom land and is connected with the connecting plate of a horizontally set, is provided with several grasping teeths of extending along notch direction on connecting plate.
4. easy-to-dismount roller centrifugal casting die die orifice part as claimed in claim 3, is characterized in that, described sandy soil interlayer cleaning machine has several and is uniformly distributed circumferentially in cannelure exterior notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320715790.2U CN203621433U (en) | 2013-11-14 | 2013-11-14 | Roller centrifugal casting die die-orifice part convenient to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320715790.2U CN203621433U (en) | 2013-11-14 | 2013-11-14 | Roller centrifugal casting die die-orifice part convenient to disassemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621433U true CN203621433U (en) | 2014-06-04 |
Family
ID=50807953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320715790.2U Expired - Fee Related CN203621433U (en) | 2013-11-14 | 2013-11-14 | Roller centrifugal casting die die-orifice part convenient to disassemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203621433U (en) |
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2013
- 2013-11-14 CN CN201320715790.2U patent/CN203621433U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |