CN202683950U - Nickel-based alloy casting pouring stick - Google Patents
Nickel-based alloy casting pouring stick Download PDFInfo
- Publication number
- CN202683950U CN202683950U CN 201220361074 CN201220361074U CN202683950U CN 202683950 U CN202683950 U CN 202683950U CN 201220361074 CN201220361074 CN 201220361074 CN 201220361074 U CN201220361074 U CN 201220361074U CN 202683950 U CN202683950 U CN 202683950U
- Authority
- CN
- China
- Prior art keywords
- nickel
- running channel
- base alloy
- foundry goods
- cushion chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model relates to the field of precision casting. The utility model has the purpose of providing a casting tool for improving the quality of a nickel-based alloy casting. The nickel-based alloy casting pouring stick comprises a stick body, a pouring passage penetrates through the stick body, a pouring gate communicated with the pouring passage is arranged on the side surface of the stick body, a buffer layer flow device is fixed at the bottom end of the stick body, and a buffer cavity is arranged in the buffer layer flow device. The nickel-based alloy casting pouring stick can prevent metal particles and a nickel-base ally solution surface oxide film formed by sputtering a nickel-based alloy solution from entering the cavity, and the quality of a casting is improved.
Description
Technical field
The utility model relates to a kind of accurate casting instrument, particularly relates to a kind of casting instrument for the casting of nickel-base alloy foundry goods.
Background technology
The pouring procedure of existing hot investment casting nickel-base alloy foundry goods is to adopt traditional precision casting technology design concept to design.Because it is little that hot investment casting part product is compared with the sand foundry goods, can not equally adopt independent running gate system with the sand casting, can only pour into a mould by runner system.Rising head casting is that alloy molten solution is directly from watering the die cavity of casting rod running channel below pouring into, because the speed that pours at the beginning is fast, can enter die cavity by the little metallic particles of splash generation from cast gate alloy molten solution out, simultaneously with respect to carbon steel and low alloy steel, the nickel-base alloy liquid state very easily forms thick oxide film, adopt the nickel-base alloy foundry goods of traditional precision casting process cast, do the PT detection and can find a lot of shaped forms and irregular cast defective, this defective mostly is to mix rear the generation with alloy molten solution because the metallic particles of product generation of splashing of alloy molten solution in casting process and generation enter die cavity than thick oxide film.
The utility model content
The technical problems to be solved in the utility model provides a kind of casting rod of watering of Effective Raise nickel-base alloy casting quality.
The utility model nickel-base alloy foundry goods waters casting rod, comprises barred body, connects running channel in the described barred body, described barred body side surface is offered the cast gate that is communicated with described running channel, described barred body bottom fixing buffering laminar flow device, the built-in cushion chamber of described buffering laminar flow device, described running channel is communicated with cushion chamber.
Difference from prior art is that the utility model nickel-base alloy foundry goods waters casting rod and is fixed with the laminar flow buffer in the bottom of barred body, after alloy molten solution enters larger cushion chamber in the narrow running channel, after cushion chamber filled, the flow velocity of alloy molten solution slows down, liquation after slowing down can not splash from cast gate and produce metallic particles and enter die cavity, liquation is to pour into from watering the casting rod upper end simultaneously, the alloy molten solution of front end can produce a thick layer of oxide-film with the airborne oxygen effect of running channel after entering running channel, the oxide layer of alloy molten solution can be introduced into cushion chamber, can not enter die cavity, prevent forming curves shape and irregular cast defective in the nickel-base alloy foundry goods, improve the quality of watering foundry goods.
The utility model nickel-base alloy foundry goods waters casting rod, and wherein said cushion chamber and running channel horizontal cross-section are rounded, rectangle, and the cushion chamber of rectangle and circle shape and running channel are made simple, and alloy molten solution easily passes through.
The utility model nickel-base alloy foundry goods waters casting rod, be communicated with one section prolongation running channel that is turbination or inverted trapezoidal, horizontal cross-section diameter or the large 20-50mm of the length of side under the horizontal upper section diameter of described prolongation running channel or the side ratio between wherein said running channel and the described cushion chamber.Running channel is arranging one section prolongation running channel that is turbination or inverted trapezoidal and can limit the flow of molten metal near the cushion chamber place, increase the buffer time of buffering laminar flow device, be difficult for flowing out again after making oxide-film in the alloy molten solution enter cushion chamber, prolong on the running channel horizontal cross-section diameter or the large 20-50mm of the length of side under horizontal cross-section diameter or the side ratio, this size is to verify repeatedly that aborning the one side that obtains can make alloy molten solution enter more smoothly cushion chamber, also make on the other hand the alloy molten solution flow velocity controlled, can be not too fast cushion chamber is filled up.
The utility model nickel-base alloy foundry goods waters casting rod, and wherein said cast gate is opened in the described barred body side surface of described running channel and described prolongation running channel connectivity part.It is to cushion in laminar flow device and the prolongation running channel in order to prevent that too much alloy molten solution from staying that cast gate is opened in this position, causes waste.
The utility model nickel-base alloy foundry goods waters casting rod, diameter or the large 60-100mm of the length of side in the prolongation running channel terminal horizontal cross section that the horizontal cross-section diameter of wherein said cushion chamber or side ratio are communicated with it, cushion chamber in the laminar flow buffer is larger than the running channel horizontal section area in the barred body, two cross sections adopt this length difference to meet the requirement of sharp transition, can make alloy molten solution enter cushion chamber from running channel after speed slow down to the desirable flow velocity of nickel-base alloy casting.
The utility model nickel-base alloy foundry goods waters casting rod, the wall thickness of wherein said buffering laminar flow device is 50-80mm, the laminar flow device wall thickness adopts this thickness, meets common casting to the requirement of wall thickness on the one hand, satisfies simultaneously the buffering laminar flow device to the structural requirement of the adhesion of nickel-base alloy molten surface oxide-film.
Below in conjunction with accompanying drawing nickel-base alloy foundry goods of the present utility model being watered casting rod is described further.
Description of drawings
Fig. 1 is that the utility model nickel-base alloy foundry goods waters the casting rod cut away view.
The specific embodiment
As shown in Figure 1, the utility model nickel-base alloy foundry goods waters casting rod and comprises barred body 1, barred body 1 interior perforation running channel 2, barred body 1 bottom fixing buffering laminar flow device 3, the wall thickness of buffering laminar flow device 3 is 70mm, buffering laminar flow device 3 built-in cushion chambers 4, running channel 2 is communicated with cushion chamber 4, cushion chamber 4 and running channel 2 horizontal cross-sections are rounded, rectangle, are communicated with one section prolongation running channel 21 that is turbination or inverted trapezoidal between running channel 2 and the cushion chamber 4, and cast gate 5 is opened in running channel 2 and barred body 1 side surface that prolongs running channel 21 connectivity parts.Prolong on the running channel 21 horizontal cross-section diameter or the large 20-50mm of the length of side under horizontal cross-section diameter or the side ratio, cushion chamber 4 horizontal section area are greater than the horizontal section area of running channel 2, the diameter in the prolongation running channel 21 terminal horizontal cross sections that the horizontal cross-section diameter of cushion chamber 4 or side ratio are communicated with it or the large 80mm of the length of side.
The utility model in use, the nickel-base alloy liquation pours into from watering the casting rod top, through running channel 2, prolong the cushion chamber 4 that running channel 21 enters buffering laminar flow device 3, after alloy molten solution is filled cushion chamber 4, flow into die cavity from cast gate 5, what prolong running channel 21 is inverted cone-shaped or inverted trapezoidal, the alloy molten solution flow that flows into buffering laminar flow device 3 is controlled, after alloy molten solution enters and is full of larger cushion chamber 4, flow velocity slows down, alloy molten solution can not splash from cast gate 5 and produce metallic particles and enter die cavity like this, nickel-base alloy very easily produces oxide-film in casting process simultaneously, this oxide-film can with after flowing into cushion chamber 4 at alloy molten solution, can be attached on the wall of buffering laminar flow device 3 ends.
Above-described embodiment is described preferred embodiment of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. a nickel-base alloy foundry goods waters casting rod, comprise barred body (1), connect running channel (2) in the described barred body (1), described barred body (1) side surface is offered the cast gate (5) that is communicated with described running channel (2), it is characterized in that: described barred body (1) bottom fixing buffering laminar flow device (3), the built-in cushion chamber of described buffering laminar flow device (3) (4), described running channel (2) is communicated with cushion chamber (4).
2. nickel-base alloy foundry goods according to claim 1 waters casting rod, it is characterized in that: described cushion chamber (4) and running channel (2) horizontal cross-section are rounded, rectangle.
3. nickel-base alloy foundry goods according to claim 2 waters casting rod, it is characterized in that: be communicated with one section prolongation running channel (21) that is turbination or inverted trapezoidal between described running channel (2) and the described cushion chamber (4), horizontal cross-section diameter or the large 20-50mm of the length of side under the upper horizontal cross-section diameter of described prolongation running channel (21) or the side ratio.
4. nickel-base alloy foundry goods according to claim 3 waters casting rod, it is characterized in that: described cast gate (5) is opened in described barred body (1) side surface of described running channel (2) and described prolongation running channel (21) connectivity part.
5. nickel-base alloy foundry goods according to claim 4 waters casting rod, it is characterized in that: diameter or the large 60-100mm of the length of side in prolongation running channel (21) the terminal horizontal cross section that the horizontal cross-section diameter of described cushion chamber (4) or side ratio are communicated with it.
6. nickel-base alloy foundry goods according to claim 5 waters casting rod, it is characterized in that: the wall thickness of described buffering laminar flow device (3) is 50-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361074 CN202683950U (en) | 2012-07-24 | 2012-07-24 | Nickel-based alloy casting pouring stick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361074 CN202683950U (en) | 2012-07-24 | 2012-07-24 | Nickel-based alloy casting pouring stick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683950U true CN202683950U (en) | 2013-01-23 |
Family
ID=47539622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361074 Expired - Lifetime CN202683950U (en) | 2012-07-24 | 2012-07-24 | Nickel-based alloy casting pouring stick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817582A (en) * | 2016-04-28 | 2016-08-03 | 安徽霍山县象山机械制造有限公司 | Investment casting gate stick |
| CN105834366A (en) * | 2016-04-28 | 2016-08-10 | 安徽霍山县象山机械制造有限公司 | Length-adjustable investment casting gate stick |
-
2012
- 2012-07-24 CN CN 201220361074 patent/CN202683950U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817582A (en) * | 2016-04-28 | 2016-08-03 | 安徽霍山县象山机械制造有限公司 | Investment casting gate stick |
| CN105834366A (en) * | 2016-04-28 | 2016-08-10 | 安徽霍山县象山机械制造有限公司 | Length-adjustable investment casting gate stick |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202571172U (en) | Pouring device for magnesium and rare earth alloy casting die | |
| CN203992254U (en) | Alloy in lightweight rising pouring Slot Gating System | |
| CN104084558B (en) | A kind of running gate system of ultra-thin metal housing | |
| CN203470827U (en) | Novel cast steel casting system | |
| CN202726034U (en) | Casting ladle capable of blocking slag | |
| CN201432083Y (en) | Deformed magnesium alloy ingot casting shunt plate | |
| CN104550890A (en) | Pouring system for reducing mold filling speed in pouring gate | |
| CN202683950U (en) | Nickel-based alloy casting pouring stick | |
| CN202070720U (en) | Bottom gating system | |
| CN203565812U (en) | Tundish flow stabilizer | |
| CN204396816U (en) | A kind of quick change cold burden frame | |
| CN202387948U (en) | Slag stopping casting ladle | |
| CN205165747U (en) | Cast large -scale complicated steel -casting the gating system | |
| CN204799939U (en) | Immersion nozzle structure | |
| CN202398806U (en) | Novel molten steel pouring funnel | |
| CN210059784U (en) | Zinc alloy casting chute | |
| CN206263208U (en) | A kind of running gate system with dreg collecting slot | |
| CN203209684U (en) | Six-hole submerged nozzle for pouring large square blank | |
| CN206065337U (en) | A kind of running gate system for eliminating cold shut defect | |
| CN201603853U (en) | Quadripuntal submersed nozzle used for pouring conventional plate blank and preventing molten steel turbulence | |
| CN205732831U (en) | A kind of adjustable length model casting gate stick | |
| CN104942275B (en) | Continuous casting slide gate nozzle and its method for reducing submersed nozzle bias current | |
| CN204770479U (en) | The gating system of thin wall toper hydraulic turbine crown steel -casting | |
| CN203917896U (en) | Immersion multilayer water mouth mechanism | |
| CN201913208U (en) | Eddy control device for slab crystallizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |