CN105964916B - Immersible pump pump housing casting technique - Google Patents
Immersible pump pump housing casting technique Download PDFInfo
- Publication number
- CN105964916B CN105964916B CN201610436250.9A CN201610436250A CN105964916B CN 105964916 B CN105964916 B CN 105964916B CN 201610436250 A CN201610436250 A CN 201610436250A CN 105964916 B CN105964916 B CN 105964916B
- Authority
- CN
- China
- Prior art keywords
- pump housing
- mold
- model
- pump
- colloid
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/043—Removing the consumable pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Abstract
The present invention relates to a kind of immersible pump pump housing casting technique, 1）Prefabricated pump housing model, the external wall of upper portion of the pump housing model be provided with it is circumferentially spaced be provided with axial convex tendon, it is axially spaced between adjacent two convex tendon to be provided with raised line；2）An annular lug is pasted on the prefabricated pump housing model upper inside wall position corresponding with the convex tendon of pump housing outer wall；3）In the surfaces externally and internally brush last layer colloid respectively of pump housing model, the pump housing model for brushing colloid is put into sand launder and rolled, sand is adhered on the surfaces externally and internally of the pump housing；4）After colloid cements sand admittedly completely, step 3 is repeated several times, if making the surfaces externally and internally of pump housing model adhere to dried layer sand respectively to form mold；5）Tapping hole and steam vent are opened up on mold to form running gate system, makes pump housing model in mold by heating mold and annular lug melts and flowed out；6）By casting metal in the tapping hole to mold, after the metal freezing in mold, the pump housing in mold is taken out, completes casting.Not only technique is simple for the casting technique, and advantageously account for pump housing side wall have a case that to cast during convex tendon it is uneven.
Description
Technical field
The present invention relates to a kind of immersible pump pump housing casting technique.
Background technology
Immersible pump is in use because some position stress are larger so that when casting the immersible pump at the position
Reinforcement muscle portion is set up, due to being additionally arranged reinforcement so that at the position of casting process reinforcement casting often occurs for immersible pump not
, there is situations such as bubble, have a strong impact on the quality of immersible pump.
The content of the invention
It is an object of the invention to provide a kind of immersible pump pump housing casting technique, not only technique is simple, and is advantageous to solve
Certainly pump housing side wall has a case that to cast during convex tendon uneven.
Technical program of the present invention lies in：A kind of immersible pump pump housing casting technique, comprises the following steps：
1）Prefabricated pump housing model, the external wall of upper portion of the pump housing model is circumferentially spaced to be provided with axial convex tendon, and adjacent two
It is axially spaced between convex tendon to be provided with raised line；
2）An annular is pasted on the prefabricated pump housing model upper inside wall position corresponding with the convex tendon of pump housing outer wall
Projection；
3）In the surfaces externally and internally brush last layer colloid respectively of pump housing model, the pump housing model for brushing colloid is put into sand launder
Roll, sand is adhered on the surfaces externally and internally of the pump housing；
4）After colloid cements sand admittedly completely, step 3 is repeated several times, the surfaces externally and internally of pump housing model is adhered to respectively
If dried layer sand is to form mold；
5）Tapping hole and steam vent are opened up on mold to form running gate system, makes the pump housing in mold by heating mold
Model and annular lug melt and flowed out；
6）By casting metal in the tapping hole to mold, after the metal freezing in mold, the pump housing in mold is taken
Go out, complete casting.
Further, the upper end of the pump housing model is provided with choke, and all portions interval setting of the choke is useful
In being also radially arranged the stud bumps for being drilled with through hole on the projection for being drilled with screwed hole, choke lateral wall.
Further, the pump housing model lower end is provided with expansion mouth, and the madial wall of the expansion mouth is provided with for pacifying
The end difference of capping plate, reinforcement muscle portion is provided with the lateral wall of expansion mouth, be provided with the lower surface of expansion mouth and reinforcement
The rectangular support post that portion is connected.
Further, the annular lug is fixedly connected to form one through colloid and pump housing model inwall, is repeated in step 4
The step 3 of 7 ~ 8 times.
Further, the pump housing model and annular lug are made up of paraffin respectively, and mold is heated into 48 DEG C ~ 60 DEG C makes
Pump housing model and annular lug flow out from mold.
Further, the colloid is casting adhesive made of synthetic resin.
Compared with prior art, the present invention has advantages below：Not only technique is simple for the immersible pump casting technique, and
So that with the position filling for having reinforcement evenly, the quality of immersible pump is improved, advantageously accounting for pump housing side wall has convex tendon
When cast uneven situation, be used in the pump housing casting of different model.
Brief description of the drawings
Fig. 1 is the structural representation of the pump housing model of the present invention；
Fig. 2 is the mold schematic cross-sectional view for being enclosed with pump housing model of the present invention；
In figure：10- pump housing model 11- axial directions convex tendon 12- raised line 13- choke 14- projection 15- cylindricalitys are convex
Block 16- expansion mouth 17- end differences 18- strengthens muscle portion 19- rectangular support post 20- annular lug 30- molds
31- tapping holes.
Embodiment
For features described above of the invention and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing, make detailed
Carefully it is described as follows, but the present invention is not limited thereto.
With reference to Fig. 1 and 2
A kind of immersible pump pump housing casting technique, comprises the following steps：
1）Prefabricated pump housing model 10, the external wall of upper portion of the pump housing model is circumferentially spaced to be provided with axial convex tendon 11, phase
It is axially spaced between adjacent two convex tendons to be provided with raised line 12, the raising pump housing is engaged with circumferentially disposed raised line by axial convex tendon
Quality；
2）An annular is pasted on the prefabricated pump housing model upper inside wall position corresponding with the convex tendon of pump housing outer wall
Projection 20, so that annular lug and pump housing model form one；
3）By the surfaces externally and internally of the pump housing model with annular lug brush last layer colloid respectively, the pump housing of colloid will be brushed
Model is put into the sand launder for be loaded with sand and rolled, and sand is adhered on the surfaces externally and internally of the pump housing；
4）After colloid cements sand admittedly completely, step 3 is repeated several times, the surfaces externally and internally of pump housing model is adhered to respectively
If dried layer sand is to form mold 30；
5）Tapping hole 31 and steam vent are opened up on mold to form running gate system, is injected so as to the founding materials of immersible pump
And air is discharged in mold, while make pump housing model in mold by heating mold and annular lug melts and flowed out, so that
Make the cavity that the immersible pump pump housing is formed in mold；
6）By pouring into a mould founding materials in the tapping hole to mold（Metal）, after the metal freezing in mold, by mold
Break into pieces, dynamics need to not damage the pump housing, the pump housing in mold be taken out, so as to complete to cast.
In the present embodiment, the upper end of the pump housing model is provided with choke 13, and all portions of the choke are arranged at intervals
There is the projection 14 for being drilled with screwed hole, the stud bumps 15 for being drilled with through hole be also radially arranged on choke lateral wall,
So that drilling allows electric wire etc. to wear to be put into stud bumps.
In the present embodiment, the pump housing model lower end is provided with expansion mouth 16, and the madial wall of the expansion mouth is provided with use
Strengthen muscle portion 18 in being provided with the end difference 17 of installation cover plate, the lateral wall of expansion mouth, be provided with the lower surface of expansion mouth
The rectangular support post 19 being connected with strengthening muscle portion.
In the present embodiment, the annular lug is fixedly connected to form one through colloid and pump housing model inwall, is weighed in step 4
Multiple 7 ~ 8 times step 3.
In the present embodiment, the pump housing model and annular lug are made up of paraffin respectively, and mold is heated into 48 DEG C ~ 60 DEG C
Pump housing model and annular lug is set to be flowed out from mold.Mold is preferably heated to 53 DEG C, to carry annular in mold
The pump housing model of projection fully melts.
In the present embodiment, the colloid is casting adhesive made of synthetic resin, such as furfuryl alcohol resin.
Presently preferred embodiments of the present invention is the foregoing is only, for the ordinary skill in the art, according to this hair
Bright teaching, design various forms of immersible pump pump housing casting techniques and do not need performing creative labour, do not departing from this hair
The all equivalent change made according to scope of the present invention patent, modification, replacement and modification in the case of bright principle and spirit, all
The covering scope of the present invention should be belonged to.
Claims (6)
1. a kind of immersible pump pump housing casting technique, it is characterised in that comprise the following steps：
1）Prefabricated pump housing model, the external wall of upper portion of the pump housing model is circumferentially spaced to be provided with axial convex tendon, adjacent two convex tendon
Between axially spaced be provided with raised line；
2）An annular lug is pasted on the prefabricated pump housing model upper inside wall position corresponding with the convex tendon of pump housing outer wall；
3）In the surfaces externally and internally brush last layer colloid respectively of pump housing model, the pump housing model for brushing colloid is put into sand launder and rolled
It is dynamic, sand is adhered on the surfaces externally and internally of the pump housing；
4）After colloid sand cemented completely it is solid after, step 3 is repeated several times, make pump housing model surfaces externally and internally adhere to respectively it is some
Layer sand is to form mold；
5）Tapping hole and steam vent are opened up on mold to form running gate system, makes pump housing model in mold by heating mold
And annular lug melts and flowed out；
6）By casting metal in the tapping hole to mold, after the metal freezing in mold, the pump housing in mold is taken out, it is complete
Into casting.
2. immersible pump pump housing casting technique according to claim 1, it is characterised in that the upper end of the pump housing model is set
There is choke, all portions of the choke are arranged at intervals with the projection for being drilled with screwed hole, gone back radially on choke lateral wall
It is provided with the stud bumps for being drilled with through hole.
3. immersible pump pump housing casting technique according to claim 1 or 2, it is characterised in that the pump housing model lower end is set
Expansion mouth is equipped with, the madial wall of the expansion mouth is provided with the end difference for installing cover plate, set on the lateral wall of expansion mouth
There is reinforcement muscle portion, the rectangular support post being connected with strengthening muscle portion is provided with the lower surface of expansion mouth.
4. immersible pump pump housing casting technique according to claim 1, it is characterised in that the annular lug is through colloid and pump
Body Model inwall is fixedly connected to form one, and the step 3 of 7 ~ 8 times is repeated in step 4.
5. the immersible pump pump housing casting technique according to claim 1 or 4, it is characterised in that the pump housing model and annular
Projection is made up of paraffin respectively, and mold is heated into 48 DEG C ~ 60 DEG C makes pump housing model and annular lug be flowed out from mold.
6. immersible pump pump housing casting technique according to claim 5, it is characterised in that the colloid is casting synthesis tree
Fat adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436250.9A CN105964916B (en) | 2016-06-20 | 2016-06-20 | Immersible pump pump housing casting technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436250.9A CN105964916B (en) | 2016-06-20 | 2016-06-20 | Immersible pump pump housing casting technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105964916A CN105964916A (en) | 2016-09-28 |
| CN105964916B true CN105964916B (en) | 2017-11-24 |
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ID=57022486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610436250.9A Active CN105964916B (en) | 2016-06-20 | 2016-06-20 | Immersible pump pump housing casting technique |
Country Status (1)
| Country | Link |
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| CN (1) | CN105964916B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876695A (en) * | 2017-12-15 | 2018-04-06 | 芜湖新兴新材料产业园有限公司 | Prevent process structure of lost foam pattern deformation and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364253Y (en) * | 1999-04-13 | 2000-02-16 | 王希博 | Submerged pump |
| CN201552285U (en) * | 2009-10-12 | 2010-08-18 | 镇江市永泰汽车配件制造有限公司 | Vacuum pump shell mould |
| CN102248124A (en) * | 2011-06-17 | 2011-11-23 | 河南豫兴铸造有限公司 | Technology for molding wax mould of single cast |
| CN202431509U (en) * | 2012-01-06 | 2012-09-12 | 浙江大元泵业有限公司 | Aluminum base of submersible pump |
| CN103506582A (en) * | 2013-09-22 | 2014-01-15 | 江苏新跃泵业制造有限公司 | Casting method of centrifugal pump body |
| CN204025087U (en) * | 2014-07-09 | 2014-12-17 | 苏州优德通力电气有限公司 | A kind of light sewage submersible pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8939192B2 (en) * | 2013-03-05 | 2015-01-27 | Karsten Manufacturing Corporation | Two cavity molds and methods of manufacturing a golf club head |
-
2016
- 2016-06-20 CN CN201610436250.9A patent/CN105964916B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364253Y (en) * | 1999-04-13 | 2000-02-16 | 王希博 | Submerged pump |
| CN201552285U (en) * | 2009-10-12 | 2010-08-18 | 镇江市永泰汽车配件制造有限公司 | Vacuum pump shell mould |
| CN102248124A (en) * | 2011-06-17 | 2011-11-23 | 河南豫兴铸造有限公司 | Technology for molding wax mould of single cast |
| CN202431509U (en) * | 2012-01-06 | 2012-09-12 | 浙江大元泵业有限公司 | Aluminum base of submersible pump |
| CN103506582A (en) * | 2013-09-22 | 2014-01-15 | 江苏新跃泵业制造有限公司 | Casting method of centrifugal pump body |
| CN204025087U (en) * | 2014-07-09 | 2014-12-17 | 苏州优德通力电气有限公司 | A kind of light sewage submersible pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105964916A (en) | 2016-09-28 |
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