CN207239108U - A kind of reduced pipe centrifugal casting machine of high precision machining - Google Patents
A kind of reduced pipe centrifugal casting machine of high precision machining Download PDFInfo
- Publication number
- CN207239108U CN207239108U CN201720391687.5U CN201720391687U CN207239108U CN 207239108 U CN207239108 U CN 207239108U CN 201720391687 U CN201720391687 U CN 201720391687U CN 207239108 U CN207239108 U CN 207239108U
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- Prior art keywords
- mould
- centrifuge
- ring flange
- high precision
- precision machining
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- 238000009750 centrifugal casting Methods 0.000 title claims abstract description 23
- 238000003754 machining Methods 0.000 title claims abstract description 21
- 238000005119 centrifugation Methods 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 12
- 239000004576 sand Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model discloses a kind of reduced pipe centrifugal casting machine of high precision machining, including vertical centrifugal machine and die assembly, the vertical centrifugal machine includes centrifuge main motor（1）, centrifugation machine host（2）And centrifuge ring flange（3）, the die assembly includes mould（4）, die backing plate（5）And die cover plate（6）；Mould（4）Internal via shape it is identical with the outer wall shape of Concentric Reducers product；Centrifuge machine host（2）With centrifuge main motor（1）It is connected, centrifuge ring flange（3）Positioned at centrifugation machine host（2）On；Mould（4）Centrifuge ring flange is vertically installed at by fastener（3）On；Die backing plate（5）Positioned at mould（4）Lower part, pass through mould（4）The seam allowance of lower end is fixed on centrifuge ring flange（3）On.The drawbacks of overcoming the prior art the utility model has the advantage of it, novelty reasonable in design.
Description
Technical field
A kind of reduced pipe centrifugal casting machine of high precision machining is the utility model is related to, belongs to field of machining.
Background technology
Reduced pipe is widely used in the hydrogen manufacturing conversion furnace of petroleum chemical industry, is to transmit the critical piece for converting gas, work
It is high temperature pressurized state to make condition, therefore it is required that it is with good room temperature mechanical performance and high-temperature mechanical property.
At present, the manufacture of reduced pipe is generally using static casting technique, also referred to as gravitational casting, i.e. work of the molten steel in gravitational field
Mold cavity forming is reached through cast gate, running channel with lower, casting leans on the gravity of molten steel in riser to be mended during cooled and solidified
Contracting.The technique it is the most commonly used be resin bonded sand mould casting or water-glass sand mold casting, idiographic flow generally include following step
Suddenly：(1) wooden model (apperance and core box) is made；(2) mulling moulding, makes core；(3) core made and sand mold are assembled,
Determine position and the size of running gate system；(4) cast is implemented；(5) sand removal, polishing after casting cooling, is machined to final
Finished product.
Static casting technique is simple, and product can meet the basic application requirement under high-temperature and high-pressure conditions, but entirely
Technique there are distinct disadvantage, such as：Need to make apperance and core box, and need to make sand mold and core, production process is more, consumption
When, low production efficiency；Need with sand mold precisely to mold core, it is complicated；The casting of casting complete also needs to sand removal, polishing
Machine again afterwards, add production process；It is crucial that cast structure is irregular and not fine and close, stomata, slag inclusion are easily produced
Deng product quality defect, mechanical performance is not superior enough, and service life is also undesirable, and product rejection rate is higher.
A kind of vertical centrifugal casting device (patent No. for being used to prepare Concentric Reducers is disclosed in the prior art
CN201420367245.3) solves the above problem.But this casting device of the prior art, in centrifugal casting, mould
Tool centrifuge ring flange can be followed to be rotated, after long-time use, with centrifuge ring flange rotation connection shaft can from
Distorted deformation occurs under the action of mental and physical efforts, mould can deflect when rotating, and have impact on the quality of finished product.
Utility model content
The goal of the invention of the utility model is：For it is of the prior art " casting device in centrifugal casting, mould meeting
Centrifuge ring flange is followed to be rotated, after long-time use, the shaft with the rotation connection of centrifuge ring flange can be in centrifugal force
Under the action of occur distorted deformation, mould can deflect when rotating, and have impact on the quality of finished product " the problem of, there is provided
A kind of reduced pipe centrifugal casting machine of high precision machining.
In order to solve the above technical problems, the technical scheme adopted by the utility model is that, a kind of reduced pipe of high precision machining
Centrifugal casting machine, including vertical centrifugal machine and die assembly, the vertical centrifugal machine include centrifuge main motor (1), centrifuge
Host (2) and centrifuge ring flange (3), the die assembly include mould (4), die backing plate (5) and die cover plate (6)；
The internal via shape of mould (4) is identical with the outer wall shape of Concentric Reducers product；Centrifuge machine host (2) and centrifuge main motor
(1) it is connected, centrifuge ring flange (3) is on centrifugation machine host (2)；Mould (4) is vertically installed at centrifuge by fastener
On ring flange (3)；Die backing plate (5) is located at the lower part of mould (4), and centrifuge method is fixed on by the seam allowance of mould (4) lower end
On blue disk (3)；Described centrifugation machine host (2) upper end is provided with rotary support tray body (7), rotary support tray body (7) upper surface with
Resilient supporting unit is provided between centrifuge ring flange (3) lower face.
Optimization, the reduced pipe centrifugal casting machine of above-mentioned high precision machining, the resilient supporting unit includes some uniform
The supporting post-rod (8) of rotary support tray body (7) upper surface is arranged at, annular is provided with the lower face of centrifuge ring flange (3)
Sliding recess (31), the top of supporting post-rod (8) and sliding recess (31) sliding contact.
Optimization, the reduced pipe centrifugal casting machine of above-mentioned high precision machining, the supporting post-rod (8) includes upper ejector pin (81)
With lower push rod (82), some elastic supporting bars (83), dry elasticity supporting rod are provided between upper ejector pin (81) and lower push rod (82)
(83) both ends are fixed with upper ejector pin (81), lower push rod (82) weld respectively.
Optimization, the reduced pipe centrifugal casting machine of above-mentioned high precision machining, lower end and the rotation branch of the supporting post-rod (8)
Support plate body (7) is threadedly coupled.
Optimization, the reduced pipe centrifugal casting machine of above-mentioned high precision machining, the die cover plate (6) is located at mould (4) top
Portion, is fixed at the top of mould (4) by the seam allowance and/or fastener of mould (4) upper end.
Optimization, the reduced pipe centrifugal casting machine of above-mentioned high precision machining, the material of the mould (4) is selected from cast iron, casting
Steel or forging.
Optimization, the reduced pipe centrifugal casting machine of above-mentioned high precision machining, the mould hole size=product outer diameter ruler
Very little+product outer diameter × molten steel shrinking percentage+allowance.
The drawbacks of overcoming the prior art the utility model has the advantage of it, novelty reasonable in design.The application's
Supporting post-rod (8) is added in technical solution, by supporting post-rod (8) support centrifuge ring flange (3) lower face, prevent because
The deformation damage of centrifuge ring flange shaft is not caused on the axis of centrifuge ring flange shaft in the center of mould.Processing
Before, can be by the levelness of level measurement centrifuge ring flange (3) upper surface, and measure centrifuge ring flange and rotate and connect
The glacing flatness of the shaft connect, if the glacing flatness of shaft or the levelness of ring flange (3) upper surface are relatively low, passes through rotation
The levelness of supporting post-rod (8) adjustment centrifuge ring flange (3).
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
Below in conjunction with the accompanying drawings with the specific embodiment technical characterstic that the present invention is further explained.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, is not used to limit the utility model.
As shown in Figure 1, the utility model is a kind of reduced pipe centrifugal casting machine of high precision machining, including vertical centrifugal machine
And die assembly, the vertical centrifugal machine include centrifuge main motor (1), centrifugation machine host (2) and centrifuge ring flange (3),
The die assembly includes mould (4), die backing plate (5) and die cover plate (6)；The internal via shape of mould (4) and concentric reducing
The outer wall shape of pipe product is identical；Centrifugation machine host (2) be connected with centrifuge main motor (1), centrifuge ring flange (3) positioned at from
On scheming host (2)；Mould (4) is vertically installed on centrifuge ring flange (3) by fastener；Die backing plate (5) is located at mould
Have the lower part of (4), be fixed on by the seam allowance of mould (4) lower end on centrifuge ring flange (3)；On the centrifugation machine host (2)
End is provided with rotary support tray body (7), is set between rotary support tray body (7) upper surface and centrifuge ring flange (3) lower face
Flexible support device.
The resilient supporting unit includes some supporting post-rods (8) for being uniformly arranged on rotary support tray body (7) upper surface,
The sliding recess (31) of annular, the top of supporting post-rod (8) and sliding recess are provided with the lower face of centrifuge ring flange (3)
(31) sliding contact.The supporting post-rod (8) includes upper ejector pin (81) and lower push rod (82), upper ejector pin (81) and lower push rod (82)
Between be provided with some elastic supporting bars (83), the both ends of dry elasticity supporting rod (83) respectively with upper ejector pin (81), lower push rod
(82) fixed welding.The lower end of the supporting post-rod (8) is threadedly coupled with rotary support tray body (7).
The die cover plate (6) is located at the top of mould (4), is fixed on by the seam allowance and/or fastener of mould (4) upper end
At the top of mould (4).The material of the mould (4) is selected from cast iron, cast steel or forging.Mould hole size=product the outer diameter ruler
Very little+product outer diameter × molten steel shrinking percentage+allowance.
The drawbacks of overcoming the prior art the utility model has the advantage of it, novelty reasonable in design.The application's
Supporting post-rod (8) is added in technical solution, by supporting post-rod (8) support centrifuge ring flange (3) lower face, prevent because
The deformation damage of centrifuge ring flange shaft is not caused on the axis of centrifuge ring flange shaft in the center of mould.Processing
Before, can be by the levelness of level measurement centrifuge ring flange (3) upper surface, and measure centrifuge ring flange and rotate and connect
The glacing flatness of the shaft connect, if the glacing flatness of shaft or the levelness of ring flange (3) upper surface are relatively low, passes through rotation
The levelness of supporting post-rod (8) adjustment centrifuge ring flange (3).
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in the essential scope of the utility model, the variations, modifications, additions or substitutions made, all
The scope of protection of the utility model should be belonged to.
Claims (7)
1. a kind of reduced pipe centrifugal casting machine of high precision machining, including vertical centrifugal machine and die assembly, the vertical centrifugal
Machine includes centrifuge main motor（1）, centrifugation machine host（2）And centrifuge ring flange（3）, the die assembly includes mould
（4）, die backing plate（5）And die cover plate（6）；Mould（4）Internal via shape and Concentric Reducers product outer wall shape phase
Together；Centrifuge machine host（2）With centrifuge main motor（1）It is connected, centrifuge ring flange（3）Positioned at centrifugation machine host（2）On；Mould
（4）Centrifuge ring flange is vertically installed at by fastener（3）On；Die backing plate（5）Positioned at mould（4）Lower part, pass through mould
Tool（4）The seam allowance of lower end is fixed on centrifuge ring flange（3）On；It is characterized in that：The centrifugation machine host（2）Upper end is provided with
Rotary support tray body（7）, rotary support tray body（7）Upper surface and centrifuge ring flange（3）Flexible branch is set between lower face
Support arrangement.
2. the reduced pipe centrifugal casting machine of high precision machining according to claim 1, it is characterised in that：The resilient support
Device is uniformly arranged on rotary support tray body including some（7）The supporting post-rod of upper surface（8）, centrifuge ring flange（3）Under
The sliding recess of annular is provided with end face（31）, supporting post-rod（8）Top and sliding recess（31）Sliding contact.
3. the reduced pipe centrifugal casting machine of high precision machining according to claim 2, it is characterised in that：The supporting post-rod
（8）Including upper ejector pin（81）And lower push rod（82）, upper ejector pin（81）And lower push rod（82）Between be provided with some elastic supporting bars
（83）, dry elasticity supporting rod（83）Both ends respectively with upper ejector pin（81）, lower push rod（82）Fixed welding.
4. the reduced pipe centrifugal casting machine of high precision machining according to claim 2, it is characterised in that：The supporting post-rod
（8）Lower end and rotary support tray body（7）It is threadedly coupled.
5. the reduced pipe centrifugal casting machine of high precision machining according to claim 1, it is characterised in that：The die cover plate
（6）Positioned at mould（4）Top, passes through mould（4）The seam allowance and/or fastener of upper end are fixed on mould（4）Top.
6. the reduced pipe centrifugal casting machine of high precision machining according to claim 1, it is characterised in that：The mould（4）
Material be selected from cast iron, cast steel or forging.
7. the reduced pipe centrifugal casting machine of high precision machining according to claim 1, it is characterised in that：The mould endoporus
Size=product outer diameter+product outer diameter × molten steel shrinking percentage+allowance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391687.5U CN207239108U (en) | 2017-04-14 | 2017-04-14 | A kind of reduced pipe centrifugal casting machine of high precision machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391687.5U CN207239108U (en) | 2017-04-14 | 2017-04-14 | A kind of reduced pipe centrifugal casting machine of high precision machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207239108U true CN207239108U (en) | 2018-04-17 |
Family
ID=61875349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720391687.5U Expired - Fee Related CN207239108U (en) | 2017-04-14 | 2017-04-14 | A kind of reduced pipe centrifugal casting machine of high precision machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207239108U (en) |
-
2017
- 2017-04-14 CN CN201720391687.5U patent/CN207239108U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |