CN109236642A - Metal screw pump stator moulding process - Google Patents
Metal screw pump stator moulding process Download PDFInfo
- Publication number
- CN109236642A CN109236642A CN201811415813.1A CN201811415813A CN109236642A CN 109236642 A CN109236642 A CN 109236642A CN 201811415813 A CN201811415813 A CN 201811415813A CN 109236642 A CN109236642 A CN 109236642A
- Authority
- CN
- China
- Prior art keywords
- screw pump
- stator
- moulding process
- mandrel
- metal screw
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/91—Coating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/92—Surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/10—Stators
Abstract
The present invention provides a kind of metal screw pump stator moulding process, are related to oil exploitation and water filling equipment production field.The technical problem that the requirement on machining accuracy for solving screw pump stator in the prior art is high, processing cost is high.The screw pump stator moulding process, includes the following steps: S1: making multiple stator pieces using punch forming process and using stamping die；S2: multiple stator pieces are successively gone here and there on the mandrel of the screw pump, and the multiple stator pieces gone here and there on the mandrel are pressed into an entirety using pressure mechanism.Moulding process of the present invention is for enabling common punch press and simple working position apparatus to complete metal screw pump stator manufacture stator piece punch forming.Realize the requirement for reducing screw pump stator moulding process to machining accuracy and saving economic cost.
Description
Technical field
The present invention relates to oil exploitations and water filling equipment production field, in particular to a kind of metal screw pump stator to form work
Skill.
Background technique
Positive displacement pump refers to the variation using pumping cylinder internal volume to convey the pump of liquid, makees in pumping cylinder by operation element
Reciprocal or rotary motion, makes swept volume alternately increase and reduce, to realize the sucking and discharge of liquid, including piston pump,
The types such as plunger pump, gear pump, diaphragm pump, screw pump.Wherein, the variation sucking of pump chamber when screw pump is rotated by screw rod
With a kind of positive displacement pump of conveying water body, screw pump includes the types such as single screw rod, twin-screw and multiscrew, and structure is simple, volume
Small, easy disassembling, reliable operation, self-priming performance are good.Common screw pump stator generallys use rubber and is made, and performance is poor；With
Common screw pump is compared, and metal screw pump stator, rotor are metal material, and no swelling problem, heat resistance is excellent, and starting is turned round
Square is small, is the ideal regeneration product of common screw pump, and common processing method is that numerical control machining center or electric spark segmentation add at present
It is made after work in spicing forming type technique.
The inventors discovered that at least there is following technical problem in the prior art:
1. bore of stator molded line complexity, slender construction, processing are extremely difficult.
2. machining accuracy is extremely difficult to drawing requirement, production is time-consuming and laborious, processing charges is high.
3. screw pump stator installation is complicated, and is restricted by stator length.
In view of this, the present invention is specifically proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of metal screw pump stator moulding process, it is fixed to solve screw pump in the prior art
The technical problem that the requirement on machining accuracy of son is high, processing cost is high.Many technologies that optimal technical scheme of the present invention can be generated
Effect elaboration as detailed below.
To achieve the above object, the present invention provides a kind of novel full metal screw pump stator moulding process comprising such as
Lower step:
S1: multiple stator pieces are made using punch forming process and using stamping die；
S2: multiple stator pieces are successively gone here and there on the mandrel of the screw pump, will be gone here and there using pressure mechanism described
Multiple stator pieces on mandrel are pressed into an entirety.
At one preferably or optionally in embodiment, the technique further include: to multiple stators before press fitting molding
Piece does the locking process of fastening.
At one preferably or optionally in embodiment, the locking process of fastening includes on the surface of the stator piece
Coat epoxy resin.
At one preferably or optionally in embodiment, the locking process of fastening includes that anti-rotation keyway fastens locking work
Skill opens up keyway on the stator piece, and the anti-rotation by the way of key connection is connect the stator after punching press with rotor.
At one preferably or optionally in embodiment, the technique further include: will fasten that locking that treated is multiple described
Stator piece and the mandrel are mounted in the screw rod pump case, then install the pump head and its appurtenances of the screw pump.
It is described successively to go here and there multiple stator pieces in the screw pump at one preferably or optionally in embodiment
On mandrel, the multiple stator pieces gone here and there on the mandrel are pressed using pressure mechanism and are also wrapped at the step of an entirety
Include: the pressure mechanism compresses multiple stator piece both ends by preset tonnage, it is fixed after by the mandrel and multiple
The stator piece is pressed into the shell of the screw pump, wherein the pressure mechanism is press machine.
At one preferably or optionally in embodiment, the technique further include: in the pump head for installing the screw pump and
It is tested for the property after its appurtenances.
Preferably or optionally in embodiment, after performance test passes through, the screw pump is dismounted, then at one
It is assembled again after carrying out internal coating to each component of the screw pump.
At one preferably or optionally in embodiment, the technique further include: after the screw pump again assembled formation
To external whole progress painting treatment.
At one preferably or optionally in embodiment, which is characterized in that stator piece described in S1 is metal and/or nonmetallic
Mixed materials.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect:
The present invention makes multiple stator pieces using stamping die, and stator piece is for entire stator moulding process, institute
It is required that public good precision it is low, it is easy to process, and processed without special purpose machine tool and numerically-controlled machine tool, rushed using common
Metal screw pump stator manufacture stator piece punch forming can be completed in bed and simple working position apparatus, fixed relative to traditional metal
Manufacturing cost can be greatly reduced in sub- moulding process.Multiple stator pieces are successively gone here and there on the mandrel of the screw pump, are used
Pressure mechanism by go here and there on the mandrel multiple stator pieces press fitting it is integral after be fitted into casing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 and Fig. 2 is screw pump stator type chamber axially and radially sectional view；
Fig. 3 is the schematic diagram that screw pump stator is connect with rotor；
In figure:
1, stator；2, rotor.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Mandrel is a machine components for connecting rotational parts, in present machinery field, for mutual between part
Connection, including standard mandrel and other mandrels.Standard mandrel includes linkage section, rotational segment and fixed section, wherein the one of rotational segment
End connection linkage section, the other end are connected and fixed section, and convenient blocking and consolidating to other parts prevents mandrel in rotation, and zero
Part falls off, and facilitates fixedly connected part and replacement.Belong to the prior art, can be applied in screw pump, the effect of mandrel of the present invention is
Multiple piece strings that are scheduled on are pressed on mandrel, are fitted into screw pump after press fitting, then extract mandrel installation other component out.
Novel full metal screw pump stator moulding process principle of the invention as shown in Figure 1, referring to Fig. 1 and Fig. 2, from figure
In it can be seen that any radial section figure of screw pump stator 1 centered on away from be mutually divided into 2e two sections of radiuses be R circular arc form,
And axially then it is the helix shape that lead is L, the spiral for being L by lead by foil identical with stator type chamber cross section
Wire shaped is superimposed, and is formed the stator type chamber of all-metal, as thin slice thickness δ → 0 when, then the type chamber of stroke
Just it is substantially equal to theoretical type chamber.On the basis of its principle, stator is made by the way of multiple-layer stacked stator piece, wherein walking
Suddenly it is
S1: multiple stator pieces are made using punch forming process and using stamping die；
S2: multiple stator pieces are successively gone here and there on the mandrel of the screw pump, will be gone here and there using pressure mechanism described
Multiple stator pieces on mandrel are pressed into an entirety, are fitted into screw pump casing after molding.The process is different from
Traditional manufacturing process is utilized the design feature of screw pump stator type chamber, is formed by the way of multiple-layer stacked, not by stator
Length restricts, and production efficiency is several times of traditional handicraft.And stator piece is made for entire stator moulding process
It is relatively low, easy to process to make required precision, and is processed without special purpose machine tool and numerically-controlled machine tool, using common
Punching machine and simple working position apparatus can be completed metal screw pump stator manufacture stator piece punch forming, mutually dropped it is low manufacture at
This, is fitted into casing after press fitting molding.
Optionally embodiment does multiple stator pieces before press fitting molding and fastens locking process, such as
Be coated with the tight material of epoxy resin on adjacent multiple stator pieces, epoxy resin increase stator piece toughness, impact resistance and
Hardness is improved, the stator piece shear strength performance after solidification is able to ascend；Or it as shown in figure 3, is fastened using anti-rotation keyway
Locking process opens up keyway on stator piece, and the width of keyway meets design requirement, and the stator after punching press and rotor use
The mode anti-rotation of key connection connects；Or using other locking process of fastening.
Optionally embodiment, will fasten locking treated multiple stator pieces and the mandrel is mounted on the spiral shell
In bar pump case, then the pump head and its appurtenances of the screw pump are installed.
Multiple stator pieces are successively gone here and there on the mandrel of the screw pump, use pressure by optionally embodiment
Force mechanisms are by the multiple stator piece press fittings gone here and there on the mandrel at the step of an entirety further include: the pressure mechanism
Multiple stator piece both ends are compressed by preset tonnage, the mandrel and multiple stator pieces are pressed into institute after fixing
It states in the shell of screw pump, wherein the pressure mechanism is press machine.Press machine can use punching machine or hydraulic press, and press machine is by pre-
The multiple stator pieces of the tonnage punching press first set form an entirety, and mandrel and stator piece after molding are pressed into screw rod thereafter
In the shell of pump, then in extraction mandrel.Punch forming refers to depended on pressure machine and mold to plate, band, tubing and profile etc.
Apply external force, is allowed to generate plastic deformation or separation, thus the processing molding method of the workpiece of shape and size needed for obtaining.Its
Effect is first is that guarantee the stabilization and consistency of molded stator tablet quality；Second is that stock utilization is high, belong to less, ELEMENTARY INTRODUCTION TO NON；Three
High-efficient, easy to operate, it is desirable that worker's industrial grade it is not high.
Optionally embodiment is tested for the property after installing the pump head and its appurtenances of screw pump, it is ensured that
The quality requirement of screw pump.Performance test dismounts screw pump after passing through, after each component of screw pump carries out internal coating
It is assembled again.The effect of internal coating is that metal is protected not corroded by media such as light, rain and water, extends screw pump and uses
Service life, and piece surface can be made to have the function of fire prevention and antifouling etc..
Further, to external whole progress painting treatment after screw pump again assembled formation.
Optionally embodiment, stator piece described in S1 be metal and nonmetallic mixed materials or it is two or more not
With the mixing of metal or other.The performance of material, such as high temperature resistant, stamping resistance, corrosion-resistant etc. can be improved in alloy, improves screw rod
The service efficiency of pump and its service life of extension.
A kind of nonmetallic screw pump stator moulding process, including above section or all novel full metal screw pump stator at
Type technique；Nonmetallic materials are that stamping resistance is nonmetallic or nonmetallic with metal mixed material
Metal screw pump stator moulding process row provided by the present invention is discussed in detail above.Tool used herein
Principle and implementation of the present invention are described for body example, the above embodiments are only used to help understand this hair
Bright core concept.It should be pointed out that for those skilled in the art, not departing from principle of invention
Under the premise of, can also to invention some improvement and modification can also be carried out, these improvement and modification also fall into the protection of invention claim
In range.
Claims (10)
1. a kind of novel full metal screw pump stator moulding process, which is characterized in that it includes the following steps:
S1: multiple stator pieces are made using punch forming process and using stamping die；
S2: multiple stator pieces are successively gone here and there on the mandrel of the screw pump, will be gone here and there using pressure mechanism in the mandrel
On multiple stator pieces be pressed into an entirety.
2. novel full metal screw pump stator moulding process as described in claim 1, which is characterized in that the technique is also wrapped
It includes: the locking process of fastening being done to multiple stator pieces before press fitting molding.
3. novel full metal screw pump stator moulding process as claimed in claim 2, which is characterized in that the locking work of fastening
Skill processing includes coating epoxy resin on the surface of the stator piece.
4. novel full metal screw pump stator moulding process as claimed in claim 2, which is characterized in that the locking work of fastening
Skill processing includes that anti-rotation keyway fastens locking technique, and keyway is opened up on the stator piece, and the stator after punching press and rotor key connect
It connects.
5. such as the described in any item novel full metal screw pump stator moulding process of Claims 1-4, which is characterized in that described
Technique further include: locking treated multiple stator pieces will be fastened and the mandrel is mounted in the screw rod pump case,
The pump head and its appurtenances of the screw pump are installed again.
6. novel full metal screw pump stator moulding process as described in claim 1, which is characterized in that described by multiple institutes
It states stator piece successively to go here and there on the mandrel of the screw pump, the multiple stators that will be gone here and there on the mandrel using pressure mechanism
Piece is pressed the step at an entirety further include:
The pressure mechanism compresses multiple stator piece both ends by preset tonnage, it is fixed after by the mandrel and multiple
The stator piece is pressed into the shell of the screw pump, wherein the pressure mechanism is press machine.
7. novel full metal screw pump stator moulding process as claimed in claim 5, which is characterized in that the technique is also wrapped
It includes: being tested for the property after the pump head and its appurtenances for installing the screw pump.
8. novel full metal screw pump stator moulding process as claimed in claim 7, which is characterized in that pass through to performance test
Afterwards, the screw pump is dismounted, is assembled again after then carrying out internal coating to each component of the screw pump.
9. novel full metal screw pump stator moulding process as claimed in claim 8, which is characterized in that the technique is also wrapped
It includes: to external whole progress painting treatment after the screw pump again assembled formation.
10. novel full metal screw pump stator moulding process as described in claim 1, which is characterized in that stator described in S1
Piece is metal and/or nonmetallic mixed materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415813.1A CN109236642B (en) | 2018-11-26 | 2018-11-26 | Metal screw pump stator forming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415813.1A CN109236642B (en) | 2018-11-26 | 2018-11-26 | Metal screw pump stator forming process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236642A true CN109236642A (en) | 2019-01-18 |
| CN109236642B CN109236642B (en) | 2020-03-24 |
Family
ID=65074080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811415813.1A Active CN109236642B (en) | 2018-11-26 | 2018-11-26 | Metal screw pump stator forming process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236642B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865129A (en) * | 2010-05-19 | 2010-10-20 | 锦州鹏宇泵业有限公司 | Processing method of screw pump stator with equal wall thickness and special push-pull device |
| CN202900649U (en) * | 2012-11-09 | 2013-04-24 | 无锡世联丰禾石化装备科技有限公司 | Stator of screw pump |
| CN104508955A (en) * | 2012-03-14 | 2015-04-08 | 金勒+施皮斯有限公司 | Stack of laminations and method for the production thereof |
| CN107127251A (en) * | 2017-05-18 | 2017-09-05 | 安徽飞翔电器有限公司 | A kind of stator piece and rotor sheet stacking method |
| CN107649570A (en) * | 2017-10-29 | 2018-02-02 | 德清振达电气有限公司 | A kind of stamping die device of motor stator slice |
| CN207664828U (en) * | 2017-12-28 | 2018-07-27 | 郑州德盛祥电机制造有限公司 | motor stator pressing device |
-
2018
- 2018-11-26 CN CN201811415813.1A patent/CN109236642B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865129A (en) * | 2010-05-19 | 2010-10-20 | 锦州鹏宇泵业有限公司 | Processing method of screw pump stator with equal wall thickness and special push-pull device |
| CN104508955A (en) * | 2012-03-14 | 2015-04-08 | 金勒+施皮斯有限公司 | Stack of laminations and method for the production thereof |
| CN202900649U (en) * | 2012-11-09 | 2013-04-24 | 无锡世联丰禾石化装备科技有限公司 | Stator of screw pump |
| CN107127251A (en) * | 2017-05-18 | 2017-09-05 | 安徽飞翔电器有限公司 | A kind of stator piece and rotor sheet stacking method |
| CN107649570A (en) * | 2017-10-29 | 2018-02-02 | 德清振达电气有限公司 | A kind of stamping die device of motor stator slice |
| CN207664828U (en) * | 2017-12-28 | 2018-07-27 | 郑州德盛祥电机制造有限公司 | motor stator pressing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109236642B (en) | 2020-03-24 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Forming technology of metal screw pump stator Effective date of registration: 20220211 Granted publication date: 20200324 Pledgee: Dongying Bank Co.,Ltd. Yanshan Road sub branch Pledgor: SHANDONG ZEYUAN PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2022980001487 |
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Date of cancellation: 20230804 Granted publication date: 20200324 Pledgee: Dongying Bank Co.,Ltd. Yanshan Road sub branch Pledgor: SHANDONG ZEYUAN PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2022980001487 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Forming process of metal screw pump stator Effective date of registration: 20230815 Granted publication date: 20200324 Pledgee: Dongying Bank Co.,Ltd. Yanshan Road sub branch Pledgor: SHANDONG ZEYUAN PETROLEUM MACHINERY Co.,Ltd. Registration number: Y2023980052306 |