CN1284414A - Processing technology of bridge filter for water well - Google Patents
Processing technology of bridge filter for water well Download PDFInfo
- Publication number
- CN1284414A CN1284414A CN 99110790 CN99110790A CN1284414A CN 1284414 A CN1284414 A CN 1284414A CN 99110790 CN99110790 CN 99110790 CN 99110790 A CN99110790 A CN 99110790A CN 1284414 A CN1284414 A CN 1284414A
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- China
- Prior art keywords
- pipe
- filter
- processing technology
- projection
- tube wall
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- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 3
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000013000 roll bending Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The present invention belongs to the field of pressure machining technology in machine manufacture. It can solve the problems of low productivity, high equipment investment and the like of the existing processing technology of the filter for the water well. The main technical characteristic is that the bridge filter is produced by rolling directly on the heated pipe. The rectangular bulge on the filter is formed by extruding the periphery of the bulge into the pipe by the female die, and the left bulge is the bulge. The pipe wall pressed into the pipe is slightly overlapped with part of the adjacent bulges in the annular direction, so that the contradiction that the diameter of the pipe wall pressed into the pipe is not easy to reduce is solved. The invention provides a bridge filter production method which is simple and compact in process, easy to realize automation and high in production rate.
Description
The present invention relates to the manufacturing technology of a kind of town and country well with filter, particularly a kind of, by hot rolling and processing method, produce the pressure processing craft of bridge filter in machine works.
At present, domestic production and use be to twine a filter, it is low to produce this filter productivity ratio, the cost height, serviceability is poor, easily lures erosion, the life-span is low.Abroad, many developed countries (as Japan, Germany etc.) produce, use and export a kind of bridge filter in a large number (referring to " underground water ", a kind of filter opening mode of practicality, 1996 the 1st phases), May in this year, Shaanxi Yang Ling newly formed the special company that produces this filter of a national unique family.This filter serviceability is good, and cost is low, and the life-span is long.Its process is: 1. sheet-metal press working and be cut into bridge shape projection, and protruding both sides become the drainage latasuture; 2. roll up this plate and become the garden tube; 3. welding.This production process trouble, the cycle is long, and it is low that productivity ratio is cut out in punching press.For boosting productivity, must strengthen the pressing equipment tonnage, invest very big, the corresponding production cost that improved.And after the roll bending, each drainage latasuture size inequality influences filter quality.
The objective of the invention is: design a kind of new production technology (method), make the process of producing this filter simple compact, under lower equipment investment condition, improve the productivity ratio of producing filter greatly, reduce production costs.And avoided making the roll bending operation of drainage latasuture size inequality, and simultaneously,, can change the cross sectional shape of filter tube wall each several part by the product of this explained hereafter, improve its bending resistance and hoop rigidity, and be difficult for unstability when making its pressurized.
Task of the present invention is finished as follows:
Directly on circular pipe,, produce this bridge filter by hot rolling and processing method.Heating tubing under the warm and hot forging temperature, on the round tube wall, pressure processing form many by in the pipe to the outer rectangular preiection that protrudes of pipe, both sides, the long limit of projection are cut apart with a knife or scissors formation drainage latasuture simultaneously, so-called bridge filter.The maximum characteristics of this technology are: the formation of all projectioies is not the first motion punch with projection by stamping out to pipe is outer in the pipe, but pushes in four circumferential tubes of the rectangular preiection that should be gone out by die, and the part that stays promptly is required projection.And the diameter of pipe material contradiction from large to small is to solve like this: because the existence of latasuture, any point is discontinuous at hoop on the tube wall, compresses into the adjacent motionless rectangular preiection with part of tube wall of pipe, just has overlapping slightly at hoop.Another characteristics of this technology are, projection on the tube wall and latasuture, originally the ring-shaped continuous wall cross-section is divided into many small bores, these small bores can be as required, at high temperature flow, become cross sectional shape with higher bending resistance and hoop rigidity with the state generation plasticity that adapts with the die surface shape; Can also make on the projection wall thickness reduction a little, be listed as respectively that stressed bigger position wall thickness increases between the projection and make.
In a word, the new production process process of this filter is: heating tubing is to high-ductility state (being heated to initial forging temperature as steel pipe), punch is inserted in the pipe, the punch that is positioned at several outer wheeled dies of pipe and pipe matches, along the Guan Yiduan longitudinal rolling to the other end, and stop on the outer location convex module of pipe, the pipe in punch along caliber to withdrawal, tubing rotates an angle, punch extends radially again, carries out next roll extrusion stroke, so repeatedly, after whole roll extrusion were finished, pipe two ends certain-length scope was got final product by the school circle.
Advantage of the present invention is: technical process is simply compact, easily is automated operation, and required workman's number is few, and the high speed rolling motion does not have idle stroke, productivity ratio height; Tubing is processed under the high-ductility state, and the equipment needed thereby tonnage is little, and working motion is simple, and equipment investment is little, and this will reduce production costs greatly.In addition, owing to can change the laterally shape of each small bore of tubing, and the stress that reduces the latasuture place concentrates, and do not have weld defect, thereby improved bending resistance, resistance to compression and the hoop rigidity of filter.
Description of drawings:
Fig. 1 is the bridge filter schematic diagram, and wherein right figure is its horizontal section schematic diagram;
Fig. 2 has changed laterally each small bore shape of filter, improves the filter schematic diagram of its physical and mechanical properties.
1,4,6 and 8 etc. partly for being compressed into the tube wall of tubing among the figure by wheeled die; 2,5 and 7 etc. partly for staying not moving rectangular preiection, and 3 is the drainage latasuture.
The present invention is done to describe in detail with implementation column below in conjunction with accompanying drawing:
This routine used tube material is Q235, after being heated initial forging temperature, one punch set trap is gone in this steel pipe to clamp, outer several the wheeled dies of pipe along tubular axis to being rolled into the other end from an end, 1 and 4 tube walls part is pressed into simultaneously, stay not moving part 2 and be rectangular preiection, this has just formed drainage latasuture 3.After one time the roll extrusion stroke finished, wheeled die stopped on the outer locating convex block of pipe end, and to withdrawal, then, tubing rotates an angle to the punch in the pipe along caliber.Convex module extends radially again, carries out next roll extrusion stroke.At this moment 6 and 8 place's tube walls are pressed into simultaneously, stay not moving part 5 and 7 and are rectangular preiection.The projection 5 and the part 4,6 that is depressed have overlapping slightly at hoop, solved the difficult contradiction from large to small of diameter.After whole roll extrusion are finished, again pipe two ends L1 and L2 school circle among Fig. 1 is got final product so repeatedly.Can also be with this explained hereafter filter cross-section shape as shown in Figure 2, to improve its physical and mechanical properties.
Claims (5)
1. well is with a kind of processing technology of bridge filter, and it is by 1. heating tubing, and 2. in the punch case inlet pipe, outer several the wheeled dies of pipe are rolled into the other end along Guan Yiduan; 3. to withdrawal, pipe rotates an angle to the interior convex module of pipe along caliber, and convex module stretches out again again, and wheeled die carries out next roll extrusion stroke, so repeatedly, finishes up to the whole roll extrusion of tube wall; 4. managing two ends certain-length scope is formed by steps such as school circles.
2. by the described processing technology of claim 1, the formation of rectangular preiection on the filter wall is with the extruding in pipe of tube wall around the projection, stays not moving part and is projection.
3. by claim 1 and 2 described processing technologys, compress into the tube wall and the part adjacent protrusion of pipe, have at hoop overlapping slightly, to solve tube wall when pushing in the export-oriented pipe of pipe, the contradiction that diameter is difficult for reducing.
4. by the described processing technology of claim 1, reduced filter projection wall thickness, and thickening respectively is listed as stressed wall thickness than large part between the projection.
5. by the described processing technology of claim 1, changed the laterally shape of each small bore of filter, its physical and mechanical properties is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99110790 CN1284414A (en) | 1999-08-12 | 1999-08-12 | Processing technology of bridge filter for water well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99110790 CN1284414A (en) | 1999-08-12 | 1999-08-12 | Processing technology of bridge filter for water well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1284414A true CN1284414A (en) | 2001-02-21 |
Family
ID=5274690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99110790 Pending CN1284414A (en) | 1999-08-12 | 1999-08-12 | Processing technology of bridge filter for water well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1284414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534974B (en) * | 2006-10-24 | 2012-06-13 | 通快机床两合公司 | Method for obtaining workpiece cutouts from a plate-like workpiece |
-
1999
- 1999-08-12 CN CN 99110790 patent/CN1284414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101534974B (en) * | 2006-10-24 | 2012-06-13 | 通快机床两合公司 | Method for obtaining workpiece cutouts from a plate-like workpiece |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |