CN2141339Y - Special equipment for working inner thread of screw rod of single screw rod pump - Google Patents
Special equipment for working inner thread of screw rod of single screw rod pump Download PDFInfo
- Publication number
- CN2141339Y CN2141339Y CN 92242147 CN92242147U CN2141339Y CN 2141339 Y CN2141339 Y CN 2141339Y CN 92242147 CN92242147 CN 92242147 CN 92242147 U CN92242147 U CN 92242147U CN 2141339 Y CN2141339 Y CN 2141339Y
- Authority
- CN
- China
- Prior art keywords
- screw rod
- cutting
- transmission shaft
- power transmission
- special equipment
- 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 - Fee Related
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Abstract
The utility model relates to a special equipment for working the inner thread of the screw rod of the single screw rod pump, comprising a base, an outer shell, a supporting seat, a transmission shaft, an eccentric sleeve, a cutting shaft, a combination cutting knife disk, an electric motor, etc. The equipment can be matched with a lathe. The equipment is arranged on the trailing plate of the lathe. The lathe is hung with a lead rod block. The vehicle is driven reversely. Simultaneously the personal electric motor of the equipment is started up. The transmission shaft, the cutting shaft and the combination cutting knife disk are driven, and the inner thread of the screw rod can be processed. The utility model has the advantages of simple structure, convenient operation and low cost.
Description
The utility model relates to a kind of special equipment of work sheet screw pump screw rod inside spin.
Single-screw (single screw) pump is mainly used in the conveying high concentration liquid, as is used for industry such as oil, chemical industry, food and carries the fluid of high concentrations, gas-liquid mixture, oil, various concentrate, pasty state slurries, jam etc.But the present domestic screw rod that has only minority producer can produce the solid external spiral of key components and parts of this pump, use the pump of this screw rod, pump housing vibration is big, noise is big, centrifugal force is strong, the rubber bushing quick abrasion, therefore change solid screw into hollow shaft (as Fig. 1), improved the applied value of screw rod to a great extent.The special equipment of screw rod inside spin is produced in design but domestic impotentia is still controlled oneself, and in order to use the inside spin screw pump, producer has only the product of introducing Germany's manufacturing, but the cost height, and producer itself can't produce.
The purpose of this utility model be can on lathe, use in order to provide a kind of, the special equipment of work sheet screw pump screw rod inside spin easy to use, simple in structure.
The purpose of this utility model also can realize by following measure:
A kind of special equipment of work sheet screw pump screw rod inside spin is to be fixed with shell and bearing on base; By bearing and bearing cap power transmission shaft is installed in the enclosure, the front and back bearings lid connects firmly with shell, intrinsic seal cover on rear bearing cover, be provided with the air inlet water pipe head at the seal cover center, the air inlet water pipe head links to each other with jet hose, penetrates the center transmission shaft hole to the cutting axle centre bore that links with power transmission shaft; Bearing connects firmly by a flange and an end that is enclosed within the eccentric bushing on the power transmission shaft; On the cutting axle, be with cutting sleeve, on axle sleeve, be with combination cutting cutterhead; End at the cutting axle is with fastening nut; Motor can drive power transmission shaft by belt pulley.
The purpose of this utility model also can realize by following measure:
A kind of special equipment of work sheet screw pump screw rod inside spin correspondingly on cutting axle and cutting sleeve is provided with 3-6 water vapor injection hole; On the combination cutting cutterhead every between the cutter at axially respectively apart 0.5 millimeter, be respectively 4 millimeters at radially length difference; The motor of this equipment and base all are fixed on the planker of lathe.
The utility model has following advantage compared to existing technology:
1, the utility model can be installed in executing on the plate of lathe, as the annex of this screw rod inside spin of machined into.
When 2, the utility model had solved the processing inside spin, the cooling of cutting and iron were cut the difficulty of eliminating.
3, of the present utility model simple in structure, easy to use, cost is low.
4, the single-screw (single screw) pump screw rod of the utility model processing is a hollow shaft, vibrate little, noise is little, centrifugal force is little, can keep rubber bushing normal service life.
Concrete structure of the present utility model is provided by the following drawings:
Fig. 1 is a structural representation of the present utility model
1---seal cover 2---rear bearing cover 3---shell 4---belt pulley
5---bearing 6---flange 7---eccentric bushing 8---power transmission shafts
9---cutting axle 10---cutting sleeve 11---fastening nuts
12---combination cutting cutterhead 13---motor 14---bases
15---the air inlet water pipe head
Fig. 2 is a cutting sleeve structural representation of the present utility model
Fig. 3 is a combination cutting cutterhead structural representation of the present utility model
Fig. 4 is a single-screw (single screw) pump screw rod schematic diagram
The utility model is also incited somebody to action in conjunction with the accompanying drawings, and 2,3,4 embodiment are described in further detail:
With reference to Fig. 1, on base (14), be fixed with shell (3) and bearing (5); Base (14), shell (3) and bearing (5) can directly be cast and form; In shell (3), power transmission shaft (8) is installed by bearing and bearing cap; The available external diameter of power transmission shaft (8) is that 55 millimeters, long 1500 millimeters bar is made, and is drilled with centre bore at power transmission shaft (8) center, has attacked internal thread at the one end; The front and back bearings lid connects firmly with shell (3); The available external diameter of forward and backward bearing cap (2) is that the tubing of 56 millimeters of 140 millimeters, internal diameter is made, and goes up intrinsic seal cover (1) at rear bearing cover (2), has attacked internal thread at seal cover (1) center, as air inlet water pipe head (15); One end and the compression pump of air inlet water pipe head (15) link, and the other end links to each other with water spray, gas flexible pipe, but aqueous vapor input shaft (8) centre bore is to cutting axle (9) centre bore that links with power transmission shaft (8); The bar of 35 millimeters of (8) available external diameters of cutting axle, 150 millimeters of length is made; The heart is drilled with centre bore therein, attacks the external screw thread of M21 millimeter at the one end; On cutting axle (9), be with cutting sleeve (10), on cutting sleeve (10), be with combination cutting cutterhead (12); With reference to Fig. 2, the available external diameter of cutting sleeve (10) is that 36 millimeters, long 30 millimeters steel are made; Upward locate corresponding 4 gas, the water spray-hole of being drilled with at cutting axle (9) and cutting sleeve (10) by combination cutting cutterhead (12); With reference to Fig. 3, combination cutting cutterhead (12) is made up of four bites, and the cutter knife back has certain taper; Every bite cutterhead axially respectively at a distance of 0.5 millimeter, be respectively 4 millimeters at radially length difference; End at cutting axle (9) is with fastening nut (11); Bearing (5) can connect firmly by a flange (6) and an end that is enclosed within the eccentric bushing (7) on the power transmission shaft (8); The available casting method of bearing (5) is made; The available external diameter of eccentric bushing (7) is that 56 millimeters, internal diameter are that 34 millimeters, long 1275 millimeters tubing is made; Motor (13) can pass through belt pulley (4) and drive power transmission shaft (8).Motor (13) all is fixed on the planker of lathe with base (14).
Using method: the motor (13) and the base (14) of this special equipment are fixed on the lathe carriage; With reference to Fig. 4, process the inside spin of screw rod earlier, be behind 56 millimeters the endoporus with the woollen car internal diameter of the screw rod of need processing, woolen cloth is enclosed within outside the eccentric bushing (7) of equipment, a woollen end is fixed with the pawl dish of lathe, the other end and interlude support with thimble bearing and centre frame, and then the cutting axle (9) that combination cutting cutterhead (12) will be installed is connected with power transmission shaft (8), and the pawl dish end of cutterhead (12) at lathe cut in the combination of this equipment; Add man-hour, lathe is hung over the screw mandrel shelves, drive in reverse gear, planker moves to the direction opposite with the pawl dish like this; Start the motor (13) of special equipment simultaneously, drive power transmission shaft (8), thereby driving combination cutting cutterhead (12) runs up, at this moment the pitch of screw mandrel is the pitch of screw rod inside spin, because of power transmission shaft (8) and eccentric bushing (7) decentraction, and woolen cloth is to be enclosed within on the eccentric bushing (7), thereby the cutting output of combination cutting cutterhead (12) is the depth of threat of screw rod inside spin; Add man-hour, the rotating speed of lathe is 3 minutes/commentaries on classics, and the motor speed of special equipment is 3000 rev/mins, and the pitch of screw mandrel is 120 millimeters.
Claims (4)
1, a kind of special equipment of work sheet screw pump screw rod inside spin is characterized in that being fixed with shell (3) and bearing (5) on base (14); In shell (3), power transmission shaft (8) is housed by bearing and bearing cap, the front and back bearings lid connects firmly with shell (3), go up intrinsic seal cover (1) at rear bearing cover (2), be provided with air inlet water pipe head (15) at seal cover (1) center, air inlet water pipe head (15) links to each other with jet hose, penetrates power transmission shaft (8) centre bore to cutting axle (9) centre bore that links with power transmission shaft (8); Bearing (5) connects firmly by a flange (6) and an end that is enclosed within the eccentric bushing (7) on the power transmission shaft (8); On cutting axle (9), be with cutting sleeve (10), on axle sleeve (10), be with combination cutting cutterhead (12); End at cutting axle (9) is with fastening nut (11); Motor (13) can pass through belt pulley (4) and drive power transmission shaft (8).
2, the special equipment of a kind of work sheet screw pump screw rod inside spin as claimed in claim 1 is characterized in that going up the corresponding 3-6 of being provided with water vapor injection hole at cutting axle (9) with cutting sleeve (10).
3, the special equipment of a kind of work sheet screw pump screw rod inside spin as claimed in claim 1, it is characterized in that on the combination cutting cutterhead (12) every between the cutter at axially respectively apart 0.5 millimeter, be respectively 4 millimeters at radially length difference.
4, the special equipment of a kind of work sheet screw pump screw rod inside spin as claimed in claim 1 is characterized in that the motor (13) of this equipment and base (4) all are fixed on the planker of lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242147 CN2141339Y (en) | 1992-11-20 | 1992-11-20 | Special equipment for working inner thread of screw rod of single screw rod pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92242147 CN2141339Y (en) | 1992-11-20 | 1992-11-20 | Special equipment for working inner thread of screw rod of single screw rod pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2141339Y true CN2141339Y (en) | 1993-09-01 |
Family
ID=33782027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92242147 Expired - Fee Related CN2141339Y (en) | 1992-11-20 | 1992-11-20 | Special equipment for working inner thread of screw rod of single screw rod pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2141339Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008749A (en) * | 2012-12-18 | 2013-04-03 | 宁波正鼎石油机械设备制造有限公司 | All-metal screw pump stator machining equipment |
| CN104907586A (en) * | 2015-07-03 | 2015-09-16 | 南京农业大学灌云现代农业装备研究院 | Apparatus for drawing splines on lache |
| CN105312837A (en) * | 2014-06-06 | 2016-02-10 | 盐城世宏石油装备有限公司 | Whirl-wind cutting machining method of metal stator of screw pump |
| CN110976988A (en) * | 2019-11-22 | 2020-04-10 | 舟山市金塘山舟机械厂 | Numerical control slot milling machine for milling slot in inner hole of machine barrel |
-
1992
- 1992-11-20 CN CN 92242147 patent/CN2141339Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103008749A (en) * | 2012-12-18 | 2013-04-03 | 宁波正鼎石油机械设备制造有限公司 | All-metal screw pump stator machining equipment |
| CN105312837A (en) * | 2014-06-06 | 2016-02-10 | 盐城世宏石油装备有限公司 | Whirl-wind cutting machining method of metal stator of screw pump |
| CN105312837B (en) * | 2014-06-06 | 2018-07-20 | 盐城世宏石油装备有限公司 | Progressive cavity pump metal stator processing method |
| CN104907586A (en) * | 2015-07-03 | 2015-09-16 | 南京农业大学灌云现代农业装备研究院 | Apparatus for drawing splines on lache |
| CN110976988A (en) * | 2019-11-22 | 2020-04-10 | 舟山市金塘山舟机械厂 | Numerical control slot milling machine for milling slot in inner hole of machine barrel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |