CN203992331U - A kind of liquid-solid Cast-in Bonding roller shell lost foam casting system - Google Patents
A kind of liquid-solid Cast-in Bonding roller shell lost foam casting system Download PDFInfo
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- CN203992331U CN203992331U CN201420512670.7U CN201420512670U CN203992331U CN 203992331 U CN203992331 U CN 203992331U CN 201420512670 U CN201420512670 U CN 201420512670U CN 203992331 U CN203992331 U CN 203992331U
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- roller shell
- liquid
- lost foam
- gate spool
- evaporative pattern
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Abstract
The utility model discloses a kind of liquid-solid Cast-in Bonding roller shell lost foam casting system, belong to bimetallic roller shell processing technique field.The liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, comprises roller core, evaporative pattern and gate spool; Evaporative pattern is roller shell shape, and material is foamed plastics; Roller core castingin is in the inside of described evaporative pattern; Gate spool is spirality, spirals and is fixed on evaporative pattern outer surface; Gate spool upper end has tubaeform charging aperture, and bottom is ingate.When needing making continuously and separately make for the casting of the compound roller shell existing in prior art, have the technical problem that two-layer combination can not be fastening, the utility model can be realized with separately making and the casting of roller core, roller shell, and the object that both combinations are fastening, and there is the advantages such as economy, versatility is good, be applicable to various double-metal layer composite castings.
Description
Technical field
The utility model relates to bimetallic roller shell processing technique field, relates in particular to a kind of liquid-solid Cast-in Bonding roller shell lost foam casting system.
Background technology
At present, bimetallic roller shell production method has two kinds, and one is to adopt centrifugal casting, and first a kind of metal (roller shell) of cast is immediately poured into a mould the second metal (roller core) after partly solidifying again, and two kinds of metals are fastening in conjunction with ability; Another kind is first to have manufactured roller core, then at roller core outside cast roller shell working lining.These two kinds of method roller cores, roller shell must be made and casting continuously, otherwise after having one deck cooling, two-layer combination just there will be not fastening technical problem, and, all more complicated of the production process of these two kinds of methods, technical difficulty and manufacturing cost are all very high.
Chinese Patent Application No.: 200610009944.0, the applying date: 2006-04-21, invention and created name is: the manufacturing technique method of centrifugal casting composite bimetallic combination roll.This disclosure of the invention a kind of manufacturing technique method of centrifugal casting composite bimetallic combination roll.The method adopts centrifugal casting composite manufacturing, casting out roll surface top layer is high alloy antifriction cast iron, internal layer is the compound roller shell of mild steel, and it is carried out to machining, heat-treat again, pack the mandrel processing into compound roller shell, and mandrel and roller shell mild steel part welded, by the Roller Machining assembling to the size requiring.Need not can separately make and cast simultaneously although this technical scheme is two-layer, but need to first heat-treat when two-layer combination, also need to weld, the corresponding increase of manufacturing process, its manufacturing cost does not significantly reduce, and, while being welded with, unavoidably having welding gap, two-layer combination also there will be not fastening technical problem.
Utility model content
1. the technical problem that utility model will solve
The two-layer not fastening technical problem of combination for the continuous making of the compound roller shell existing in prior art or while separately making, the utility model provides a kind of liquid-solid Cast-in Bonding roller shell lost foam casting system.It can be realized with separately making and the casting of roller core, roller shell, and the fastening object of both combinations.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of liquid-solid Cast-in Bonding roller shell lost foam casting system, comprises roller core, evaporative pattern and gate spool; Described evaporative pattern is roller shell shape, and material is foamed plastics; Described roller core castingin is in the inside of described evaporative pattern; Described gate spool is spirality, spirals and is fixed on evaporative pattern outer surface; Described gate spool upper end has tubaeform charging aperture, and bottom is ingate.
Preferably, on described gate spool tube wall, offer funnel in several, distribute along even tube wall.
Preferably, the described gate spool number of turn is 2～5, and material is high temperature cemented carbide; Described interior funnel aperture is 1/2～1/4 of described ingate aperture.
Preferably, the described gate spool number of turn is 2; In described, watering hole number is 6; Described interior funnel aperture is 1/4 of described ingate diameter.
Preferably, described roller core is low-carbon steel material.
3. beneficial effect
The technical scheme that adopts the utility model to provide, compared with prior art, has following beneficial effect:
(1) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, owing to adopting roller core, roller shell separately to make and casting, reduces roller shell percent defective; In system work process, after being inserted to sandbox, whole liquid-solid Cast-in Bonding roller shell lost foam casting system vacuumizes, after vacuumizing, start cast, high-temperature liquid metal enters system along gate spool from bottom ingate, the corresponding gasification gradually of foamed plastics evaporative pattern, high-temperature liquid metal, along the helical form rising gradually of spirality gate spool, finally fills type and completes; In manufacturing process, the temperature field that roller shell temperature of lower is low, upper temp is high distributes and is more conducive to feeding, and the type that fills is from bottom to top conducive to the gentle body floating of field trash in molten metal;
(2) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, described roller core outer surface is processed with ring-shaped groove and vertical groove, after compound roller shell completes, can effectively prevent radial and axial the relatively moving between roller shell and roller core;
(3) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, described ring-shaped groove quantity is 3, is uniformly distributed along its length at described roller core outer surface; Described vertical groove number is 3, is along the circumferential direction uniformly distributed at described roller core outer surface, can reach the radial and axial object relatively moving preventing between roller shell and roller core, and making again can be too not complicated to the processing of roller core outer surface;
(4) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, offers funnel in several on described gate spool tube wall, distribute along even tube wall, can reach evaporative pattern is precoated and the object of preheating;
(5) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, the described spirality gate spool number of turn is 2～5, material is high temperature cemented carbide, described interior funnel aperture is 1/2～1/4 of described ingate aperture, can adjust accordingly according to roller core length;
(6) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, the described gate spool number of turn is 2; In described, watering hole number is 6; Described interior funnel aperture is 1/4 of described ingate diameter, can reach evaporative pattern is precoated and the object of preheating, and structure also can be too complicated;
(7) the liquid-solid Cast-in Bonding roller shell of one of the present utility model lost foam casting system, whole system manufacturing process is fairly simple, and technical difficulty and manufacturing cost be corresponding reduction all, has the advantages such as economy, versatility is good, be applicable to various double-metal layer composite castings, be convenient to promote the use of.
Brief description of the drawings
Fig. 1 is a kind of liquid-solid Cast-in Bonding roller shell lost foam casting system architecture schematic diagram of the utility model;
Fig. 2 is the roller core structural representation of a kind of liquid-solid Cast-in Bonding roller shell lost foam casting system of the utility model.
Label declaration in schematic diagram: 1, roller core; 2, evaporative pattern; 3, gate spool; 11, ring-shaped groove; 12, vertical groove; 31, ingate; 32, interior funnel.
Detailed description of the invention
For further understanding content of the present utility model, by reference to the accompanying drawings the utility model is described in detail.
Embodiment 1
As shown in Figure 1, the liquid-solid Cast-in Bonding roller shell of the one of the present embodiment lost foam casting system, comprises roller core 1, evaporative pattern 2 and gate spool 3; Described evaporative pattern 2 is roller shell shape, and material is foamed plastics; Described roller core 1 is low-carbon steel material; Described roller core 1 castingin is in the inside of described evaporative pattern 2, and in the present embodiment, as shown in Figure 2, its outer surface is processed with 11 and 3 vertical grooves 12 of 3 ring-shaped grooves; Described gate spool 3 is spirality, spirals and is fixed on evaporative pattern 2 outer surfaces, and in the present embodiment, described spirality gate spool 3 numbers of turn are 2, and material is high temperature cemented carbide; Described gate spool 3 upper ends have tubaeform charging aperture, and bottom is ingate 31, offer funnel 32 in several on tube wall, in the present embodiment, interior funnel 32 quantity are 6, distribute along even tube wall, and described interior funnel 32 apertures are 1/4 of described ingate 31 diameters.
The liquid-solid Cast-in Bonding roller shell of the one lost foam casting system of the present embodiment, in specific works, first on foamed plastics evaporative pattern 2 and spirality gate spool 3, brush special lost foam paint post-drying, again together with roller core 1, the whole system that foamed plastics evaporative pattern 2 and spirality gate spool 3 form is put into sandbox, add the rear coating plastic film of dry sand vibration, after sandbox vacuumizes, pour into high temperature rich chromium cast iron molten metal from the tubaeform charging aperture of spirality gate spool 3, the interior funnel 32 that a small amount of high temperature rich chromium cast iron molten metal is offered from spirality gate spool 3 tube walls flows out, foamed plastics evaporative pattern 2 is precoated and preheating, can make foamed plastics evaporative pattern 2 be heated evenly, remain a large amount of high temperature rich chromium cast iron molten metals and enter foamed plastics evaporative pattern 2 along spirality gate spool 3 bottom ingates 31, foamed plastics evaporative pattern 2 should be gasified by high-temperature-phase gradually, high temperature rich chromium cast iron molten metal rises gradually along spirality gate spool 3, finally filling type completes, because foamed plastics evaporative pattern 2 bottoms first start gasification, the roller shell temperature of lower forming is low, the temperature field that upper temp is high distributes and is more conducive to feeding, and the type that fills from bottom to top is more conducive to the gentle body floating of field trash in molten metal, high temperature rich chromium cast iron molten metal has also filled up ring-shaped groove 11 and vertical groove 12, the compound roller shell forming can effectively prevent radial and axial the relatively moving between roller shell and roller core 1.
Embodiment 2
The liquid-solid Cast-in Bonding roller shell of the one lost foam casting system of the present embodiment, its basic structure is with embodiment 1, and difference is: described gate spool 3 numbers of turn are 5; Described interior funnel 32 apertures are 1/2 of described ingate 31 apertures, and quantity is 10.
The liquid-solid Cast-in Bonding roller shell of the one lost foam casting system of the present embodiment, its concrete use procedure is with embodiment 1, difference is: precoat better with pre-heat effect, can make foamed plastics evaporative pattern 2 be heated more even, the compound roller shell quality of production is also better.
Below schematically the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (5)
1. a liquid-solid Cast-in Bonding roller shell lost foam casting system, comprises roller core (1), evaporative pattern (2) and gate spool (3); Described evaporative pattern (2) is roller shell shape, and material is foamed plastics; It is characterized in that: described roller core (1) castingin is in the inside of described evaporative pattern (2); Described gate spool (3) is spirality, spirals and is fixed on evaporative pattern (2) outer surface; Described gate spool (3) upper end has tubaeform charging aperture, and bottom is ingate (31).
2. the liquid-solid Cast-in Bonding roller shell of one according to claim 1 lost foam casting system, is characterized in that: on described gate spool (3) tube wall, offer funnel (32) in several, distribute along even tube wall.
3. the liquid-solid Cast-in Bonding roller shell of one according to claim 2 lost foam casting system, is characterized in that: described gate spool (3) number of turn is 2～5, and material is high temperature cemented carbide; Described interior funnel (32) aperture is 1/2～1/4 of described ingate (31) aperture.
4. the liquid-solid Cast-in Bonding roller shell of one according to claim 3 lost foam casting system, is characterized in that: described gate spool (3) number of turn is 2; Described interior funnel (32) quantity is 6; Described interior funnel (32) aperture is 1/4 of described ingate (31) diameter.
5. the liquid-solid Cast-in Bonding roller shell of one according to claim 2 lost foam casting system, is characterized in that: described roller core (1) is low-carbon steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512670.7U CN203992331U (en) | 2014-09-05 | 2014-09-05 | A kind of liquid-solid Cast-in Bonding roller shell lost foam casting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512670.7U CN203992331U (en) | 2014-09-05 | 2014-09-05 | A kind of liquid-solid Cast-in Bonding roller shell lost foam casting system |
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| CN203992331U true CN203992331U (en) | 2014-12-10 |
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| CN201420512670.7U Expired - Fee Related CN203992331U (en) | 2014-09-05 | 2014-09-05 | A kind of liquid-solid Cast-in Bonding roller shell lost foam casting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756589A (en) * | 2021-01-22 | 2021-05-07 | 河北智方机械制造有限公司 | Casting method of wear-resistant segment of replaceable segment type wear-resistant roll sleeve of roll squeezer |
| US11576837B2 (en) | 2019-10-03 | 2023-02-14 | Jfxd Trx Acq Llc | Multi-zonal roller and method of use thereof |
-
2014
- 2014-09-05 CN CN201420512670.7U patent/CN203992331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11576837B2 (en) | 2019-10-03 | 2023-02-14 | Jfxd Trx Acq Llc | Multi-zonal roller and method of use thereof |
| CN112756589A (en) * | 2021-01-22 | 2021-05-07 | 河北智方机械制造有限公司 | Casting method of wear-resistant segment of replaceable segment type wear-resistant roll sleeve of roll squeezer |
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| 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: 20141210 Termination date: 20160905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |