CN1570396A - Dried mixed mortar spraying screw-spindle pump rotor, special-purpose tool for making the rotor and method for manufacture thereof - Google Patents
Dried mixed mortar spraying screw-spindle pump rotor, special-purpose tool for making the rotor and method for manufacture thereof Download PDFInfo
- Publication number
- CN1570396A CN1570396A CN 200410037748 CN200410037748A CN1570396A CN 1570396 A CN1570396 A CN 1570396A CN 200410037748 CN200410037748 CN 200410037748 CN 200410037748 A CN200410037748 A CN 200410037748A CN 1570396 A CN1570396 A CN 1570396A
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- Prior art keywords
- rotor
- rotating cylinder
- mixed mortar
- screw pump
- pump rotor
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- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
- F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
This invention involves one kind dryly to mix the mortar to spurt spreads the screw rod to pump the rotor. It including a strut end body connected spiral-shaped rotor main body various sections shape is the circular, its effective cross-section big, moreover cannot have the stress concentration situation, causes this spiral-shaped rotor the intensity quite to be high; At the same time, because various sections are smooth continuously connect, do not have the edges and corners, relatively wear-resisting, the service life quite is long. This time this invention also designs one kind to use in to make above dryly mixes the mortar to spurt spreads the screw rod to pump the rotor the special-purpose tool and the mill states dryly mixes the mortar to spurt spreads the screw rod to pump the rotor the method. Uses this kind of special-purpose tool, may facilitate the use lathe carries on Luo Gan to jump the rotor processing, its installment, the disassemblage and the adjustment all quite is also convenient.
Description
Technical field
The present invention relates to a kind of screw pump rotor, relate in particular to a kind of dry-mixed mortar spraying screw pump rotor and be used to make the special tool of described screw pump rotor, and the method for making described screw pump rotor.
Background technique
The screw pump of prior art is generally used for the conveying of thick liquid, its generally comprise rotor and with the contacted stator of rotor periphery, realize that by the rotation of rotor in the middle of the stator liquid carries.Its rotor is made generally in the screw form of axle+fin owing to the processing aspect, and effective cross section is smaller, and concentrates owing to wedge angle can produce stress usually at the root of spiral, influences the intensity of rotor; Simultaneously,, carrying thick liquid particularly during dry-mixed mortar, than being easier to wearing and tearing, thereby usually can reduce the working life of rotor because the helical margin of rotor is thinner.
Summary of the invention
The object of the present invention is to provide a kind of intensity height, dry-mixed mortar wear-resistant, long service life to spray screw pump rotor.
For this reason, dry-mixed mortar spraying screw pump rotor of the present invention, comprise the support end and the helical rotor body that links to each other with described support end one of support rotor, it is characterized in that: the shape in this each cross section of helical rotor body is circle and tangent with the gabarit circle of described helical rotor body.
Adopt this structure, because the shape in each cross section of helical rotor body is circle, its effective cross section is big, nor can produce the situation that stress is concentrated, and makes that the strength ratio of this helical rotor is higher; Simultaneously, because each cross section is smooth continuous connection, do not have corner angle, wear-resisting relatively, working life is long.
Another object of the present invention is to provide a kind of special tool that is used to make above-mentioned dry-mixed mortar spraying screw pump rotor.
The special tool that the present invention is used to make above-mentioned dry-mixed mortar spraying screw pump rotor comprises bearing support and is loaded on rotating cylinder in the described bearing support; The two ends of this rotating cylinder connect, and the one end is equipped with the jig of fixing described cutter, and the other end is by the driving mechanism driven rotary; Described bearing support is installed on the little slide carriage of lathe, and the parallel axes of its tube rotaring axis and lathe spindle also is positioned at same horizontal plane, and the eccentric distance between described tube rotaring axis and the lathe spindle axis is by moving described bearing support adjustment.
Use this special tool, can utilize lathe to carry out the processing of screw pump rotor easily,, can directly drive by motor, and can be installed on little slide carriage, install, dismantle more convenient with motor because rotating cylinder one end connects driving mechanism; The rotating cylinder two ends connect, and workpiece can pass in the middle of rotating cylinder, and when workpiece was longer, center easy to use tailstock guaranteed machining accuracy; Because bearing support is installed on little slide carriage, can adjust throw of eccentric between described tube rotaring axis and the lathe spindle axis easily by adjusting little slide carriage.
The 3rd purpose of the present invention is to provide a kind of method of making described dry-mixed mortar spraying screw pump rotor.
The present invention makes the method for described dry-mixed mortar spraying screw pump rotor, may further comprise the steps:
The processing of blank material is removed the blank bar casting skin and is processed described support end;
Be installed, the described support end of above-mentioned bar is installed in lathe chuck;
It is characterized in that it also comprises the steps:
Adjust processing parameter, be adjusted at the position of the cutter that described rotating cylinder jig is installed, adjust described tube rotaring axis, the axial feeding of described rotating cylinder when adjusting lathe spindle and whenever going around with respect to lathe spindle eccentric axis distance;
Cutting is started rotating cylinder earlier and is driven described cutter high speed rotating, starts lathe again, makes lathe spindle drive described bar rotation, drives axial feed simultaneously and carries out cutting.
In the process of processing helical rotor, high speed rotating, the lathe spindle that rotating cylinder drives cutter drives that workpiece slowly runs and feed box drives three motions such as feed movement synthetic of rotating cylinder, can process helical rotor of the present invention; The axial feeding of rotating cylinder when wherein adjusting lathe spindle and whenever going around can be adjusted the pitch of helical rotor, and adjusts the throw of eccentric between tube rotaring axis and the lathe spindle axis, then can adjust the cross section circular diameter of helical rotor.
Description of drawings
Fig. 1 is the schematic appearance of dry-mixed mortar spraying screw pump rotor of the present invention.
Fig. 2 is the left view of screw pump rotor shown in Figure 1.
Fig. 3 is the A-A sectional view of screw pump rotor shown in Figure 1.
Fig. 4 is the B-B sectional view of screw pump rotor shown in Figure 1.
Fig. 5 is used to make the sectional view that dry-mixed mortar sprays the special tool of screw pump rotor for the present invention.
Among the figure
1. support end 2. helical rotor bodies 3. gabarits circle 4. cross sections are round
5. pin-and-hole 6. rotating cylinders 7. bearing supports 8. cutter jigs 9. belt pulleys
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, dry-mixed mortar spraying screw pump rotor of the present invention, the support end 1 and the helical rotor body 2 that links to each other with described support end 1 one that comprise support rotor, the shape in these helical rotor body 2 each cross sections are circle and tangent with the gabarit circle 3 of described helical rotor body 2.
The diameter of described helical rotor body 2 gabarits circle 3 can be 30-300MM, and the throw of eccentric in the center of circle of its cross section circle 4 and gabarit circle 3 centers of circle can be 3-30MM, and its pitch can be 20-200MM.
Described support end 1 can be arranged on an end of described helical rotor, certainly also can be arranged on the two ends of helical rotor if desired, this support end 1 sectional shape can have the pin-and-hole 5 that radially runs through this support end for circular and its end, by this pin-and-hole 5 the helical rotor is linked to each other with driving mechanism.
As shown in Figure 4, the present invention is used to make the special tool of described dry-mixed mortar spraying screw pump rotor, comprises bearing support 7 and is loaded on rotating cylinder 6 in the described bearing support 7; The two ends of this rotating cylinder 6 connect, and the one end is equipped with the jig 8 of fixing described cutter, and the other end is by the driving mechanism driven rotary; Described bearing support 7 is installed on the little slide carriage of lathe, and the parallel axes of its tube rotaring axis and lathe spindle also can be positioned at same horizontal plane, and the eccentric distance between described tube rotaring axis and the lathe spindle axis can be adjusted by moving described bearing support 7.
The described tube rotaring axis and the eccentricity range between the lathe spindle axis that move described bearing support 7 adjustment can be 3-30MM, and the speed range of described rotating cylinder can be 200-2000RPM, and the internal diameter of described rotating cylinder can be 50-380MM.
The jig of fixing described cutter can be one or more, when the jig of setting is a plurality of, can evenly distribute along circumferential, and at this moment because of multiple cut, the finished surface smoother, but the cutter adjustment is relatively more difficult.Generally speaking, the jig 8 of fixing described cutter is advisable with two, can radially be oppositely arranged.
The driving mechanism that drives the rotating cylinder rotation can be belt gear, and its negative pulley wheel 9 is arranged on the outer surface of rotating cylinder 6 one ends, as shown in Figure 4.
The present invention makes the method for described dry-mixed mortar spraying screw pump rotor, may further comprise the steps:
The processing of blank material is removed the blank bar to casting skin and is processed described support end 1;
Be installed, the described support end 1 of above-mentioned bar is installed in lathe chuck;
Adjust processing parameter, promptly be adjusted at the position of the cutter that is installed on the described rotating cylinder jig 8, adjust described tube rotaring axis with respect to lathe spindle eccentric axis distance, the axial feeding of described rotating cylinder was adjusted the rotating speed of lathe spindle and the rotating speed of described rotating cylinder when the adjustment lathe spindle was whenever goed around;
Cutting is started rotating cylinder earlier and is driven described cutter high speed rotating, starts lathe again, makes lathe spindle drive described bar rotation, drives axial feed simultaneously and carries out cutting.
In adjusting the processing parameter step, described tube rotaring axis can be 3-30MM with respect to the adjustment range of lathe spindle eccentric axis distance, the adjustment range of the axial feeding of described rotating cylinder can be 20-200MM when described lathe spindle was whenever goed around, the adjustment range of described lathe spindle rotating speed can be 0.5-5RPM, and the speed range that described rotating cylinder drives cutter can be 200-2000RPM.
In addition, the present invention also comprises the helical rotor body 2 surperficial step of heat treatment that described cutting step is processed, to increase the wear resistance on helical rotor body 2 surfaces.
Claims (10)
1. a dry-mixed mortar sprays screw pump rotor, comprise the support end and the helical rotor body that links to each other with described support end one of support rotor, it is characterized in that: the shape in this each cross section of helical rotor body is circle and tangent with the gabarit circle of described helical rotor body.
2. according to the described dry-mixed mortar spraying of claim 1 screw pump rotor, it is characterized in that: described helical rotor body gabarit circular diameter is 30-300MM, and the center of circle of its cross section circle and the throw of eccentric of the round heart of gabarit are 3-30MM, and its pitch is 20-200MM.
3. according to the described dry-mixed mortar spraying of claim 1 screw pump rotor, it is characterized in that: described support end is arranged on an end of described helical rotor, and this support end sectional shape has the pin-and-hole that radially runs through this support end for circular and its end.
4. a special tool that is used to make the described dry-mixed mortar spraying of claim 1 screw pump rotor is characterized in that: comprise bearing support and be loaded on the interior rotating cylinder of described bearing support; The two ends of this rotating cylinder connect, and the one end is equipped with the jig of fixing described cutter, and the other end is by the driving mechanism driven rotary; Described bearing support is installed on the little slide carriage of lathe, and the parallel axes of its tube rotaring axis and lathe spindle also is positioned at same horizontal plane, and the eccentric distance between described tube rotaring axis and the lathe spindle axis is by moving described bearing support adjustment.
5. the special tool that is used to make described dry-mixed mortar spraying screw pump rotor according to claim 4, it is characterized in that: the described tube rotaring axis and the eccentricity range between the lathe spindle axis that move described bearing support adjustment are 3-30MM, the speed range of described rotating cylinder is 200-2000RPM, and the internal diameter of described rotating cylinder is 50-380MM.
6. the special tool that is used to make described dry-mixed mortar spraying screw pump rotor according to claim 4, it is characterized in that: the jig of fixing described cutter is two, radially is oppositely arranged.
7. the special tool that is used to make described dry-mixed mortar spraying screw pump rotor according to claim 4, it is characterized in that: the driving mechanism that drives the rotating cylinder rotation is a belt gear.
8. make the method that the described dry-mixed mortar of claim 1 sprays screw pump rotor for one kind, may further comprise the steps:
The processing of blank material is removed the blank bar casting skin and is processed described support end;
Be installed, the described support end of above-mentioned bar is installed in lathe chuck;
It is characterized in that it also comprises the steps:
Adjust processing parameter, promptly be adjusted at the position of the cutter that described rotating cylinder jig is installed, adjust described tube rotaring axis with respect to lathe spindle eccentric axis distance, the axial feeding of described rotating cylinder was adjusted the rotating speed of lathe spindle and the rotating speed of described rotating cylinder when the adjustment lathe spindle was whenever goed around;
Cutting is started rotating cylinder earlier and is driven described cutter high speed rotating, starts lathe again, makes lathe spindle drive described bar rotation, drives axial feed simultaneously and carries out cutting.
9. the method for the described dry-mixed mortar spraying of described according to Claim 8 manufacturing screw pump rotor, it is characterized in that: adjusting the processing parameter step, described tube rotaring axis is 3-30MM with respect to the adjustment range of lathe spindle eccentric axis distance, the adjustment range of the axial feeding of described rotating cylinder was 20-200MM when described lathe spindle was whenever goed around, the adjustment range of described lathe spindle rotating speed is 0.5-5RPM, and the speed range that described rotating cylinder drives cutter is 200-2000RPM.
10. it is characterized in that: also comprise the helical rotor body surface step of heat treatment that described cutting step is processed according to Claim 8 or the method for the described dry-mixed mortar of 9 described manufacturings spraying screw pump rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037748 CN1570396A (en) | 2004-05-11 | 2004-05-11 | Dried mixed mortar spraying screw-spindle pump rotor, special-purpose tool for making the rotor and method for manufacture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410037748 CN1570396A (en) | 2004-05-11 | 2004-05-11 | Dried mixed mortar spraying screw-spindle pump rotor, special-purpose tool for making the rotor and method for manufacture thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1570396A true CN1570396A (en) | 2005-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410037748 Pending CN1570396A (en) | 2004-05-11 | 2004-05-11 | Dried mixed mortar spraying screw-spindle pump rotor, special-purpose tool for making the rotor and method for manufacture thereof |
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| Country | Link |
|---|---|
| CN (1) | CN1570396A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152079A (en) * | 2011-03-31 | 2011-08-17 | 大庆油田有限责任公司 | Method for processing discharge-end small-interference screw pump rotor |
| CN104889461A (en) * | 2015-06-12 | 2015-09-09 | 徐平 | All-metal screw pump rotor milling method and device |
| CN106363194A (en) * | 2016-09-23 | 2017-02-01 | 华南理工大学 | Stator machining method and device and rotor machining method and device |
| CN109396463A (en) * | 2018-12-17 | 2019-03-01 | 杭州兴龙泵业有限公司 | A kind of machine-tooled method of Stator of Single Progressive Cavity Pump |
| JP2021529678A (en) * | 2018-07-18 | 2021-11-04 | フォーゲルザンク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コムパニー・コマンディットゲゼルシャフトＶｏｇｅｌｓａｎｇ ＧｍｂＨ ＆ Ｃｏ． ＫＧ | Rotor for eccentric screw pump and its manufacturing method |
| US12129851B2 (en) | 2021-11-30 | 2024-10-29 | Vogelsang Gmbh & Co Kg | Eccentric screw pump with working engagement and idle engagement and method for controlling the eccentric screw pump |
-
2004
- 2004-05-11 CN CN 200410037748 patent/CN1570396A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152079A (en) * | 2011-03-31 | 2011-08-17 | 大庆油田有限责任公司 | Method for processing discharge-end small-interference screw pump rotor |
| CN104889461A (en) * | 2015-06-12 | 2015-09-09 | 徐平 | All-metal screw pump rotor milling method and device |
| CN106363194A (en) * | 2016-09-23 | 2017-02-01 | 华南理工大学 | Stator machining method and device and rotor machining method and device |
| JP2021529678A (en) * | 2018-07-18 | 2021-11-04 | フォーゲルザンク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コムパニー・コマンディットゲゼルシャフトＶｏｇｅｌｓａｎｇ ＧｍｂＨ ＆ Ｃｏ． ＫＧ | Rotor for eccentric screw pump and its manufacturing method |
| JP7282156B2 (en) | 2018-07-18 | 2023-05-26 | フォーゲルザンク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コムパニー・コマンディットゲゼルシャフト | ROTOR FOR ECCENTRIC SCREW PUMP AND MANUFACTURING METHOD THEREOF |
| US11841016B2 (en) | 2018-07-18 | 2023-12-12 | Vogelsang Gmbh & Co Kg | Rotor for an eccentric screw pump and method for the manufacture thereof |
| CN109396463A (en) * | 2018-12-17 | 2019-03-01 | 杭州兴龙泵业有限公司 | A kind of machine-tooled method of Stator of Single Progressive Cavity Pump |
| CN109396463B (en) * | 2018-12-17 | 2019-10-29 | 杭州兴龙泵业有限公司 | A kind of machine-tooled method of Stator of Single Progressive Cavity Pump |
| US12129851B2 (en) | 2021-11-30 | 2024-10-29 | Vogelsang Gmbh & Co Kg | Eccentric screw pump with working engagement and idle engagement and method for controlling the eccentric screw pump |
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