CN102146769A - Manufacture method for machining equivalent-thickness rubber inner jacket layer threaded rod drilling tool stator and device thereof - Google Patents
Manufacture method for machining equivalent-thickness rubber inner jacket layer threaded rod drilling tool stator and device thereof Download PDFInfo
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- CN102146769A CN102146769A CN2010191100025A CN201019110002A CN102146769A CN 102146769 A CN102146769 A CN 102146769A CN 2010191100025 A CN2010191100025 A CN 2010191100025A CN 201019110002 A CN201019110002 A CN 201019110002A CN 102146769 A CN102146769 A CN 102146769A
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Abstract
The invention provides a manufacture method for machining an equivalent-thickness rubber inner jacket layer threaded rod drilling tool stator and a device thereof, aiming solving the defects that the prior art is high in machining cost, bad in generality, bad in the quality of the machined stator, and large in machining difficulty when the stator has a certain length. The invention adopts the technical scheme that the method comprises the steps of selecting a tubular blank of which inner diameter and outer diameter meet the machining requirement according to a machine and design requirement; finely machining the inner surface of the blank by an inner bore boring cutter of a combined machine tool to machine a stator blank inner bore which meets the design requirement; driving an inner jacket shaft 8 in a boring cutter rod 1 by a numerical control deep bore combined machine tool for machining an equivalent-thickness stator shell to be in driving fit with a radial milling shaft 10, and machining a deep-groove screw thread on an inner bore of the stator blank by a milling cutter; and taking a semi-finished product piece which is machined by a threaded rod drilling tool stator blank machine as a module to perform the centrifugal glue injection so as to form into an equivalent-thickness threaded rubber surface layer. The invention is used for machining the threaded rod drilling tool stator blank body which is internally provided with a spiral groove by a milling method, thereby having the characteristics of being fast in speed, stable in product performance, and low in energy consumption.
Description
Technical field
The present invention relates to a kind of mechanical oil recovery technical field, belong to screw pump stator processing method a kind of of rubber uniform thickness.Be specifically related to a kind of production method and device of processing jacket layer helicoid hydraulic motor stator in the uniform thickness rubber.
Background technology
Along with the rapid modernization of drilling technology and drilling technology, higher requirement is proposed also for the drilling tool equipment used in the drilling process and the efficient of drilling well.Traditional drilling equipment can not satisfy the needs of modernized drilling well gradually.High efficiency, long-life mud motor become urgent developing direction.The long-time high drilling efficiency of motor of helicoid hydraulic motor keep prolongation with application life, be to improve the weak and the most maximum difficult problem of helicoid hydraulic motor service efficiency.After the helicoid hydraulic motor braking, mud flow rate is forced from the rotor gap to pass through, along with the variation of temperature, pressure, and the easy erosion of stator rubber lining and coming unstuck, even fall piece, influence the application life of helicoid hydraulic motor.The processing method of the known helicoid hydraulic motor of China casts in rubber in the steel pipe and forms, and the inner surface of lining is a spiral camber, rubber layer lining became uneven, cause premature failure easily, shorten the application life of helicoid hydraulic motor, drilling efficiency is reduced, thereby caused financial cost to increase.And the stator blank body that has inner spiral groove is a kind of brand-new helicoid hydraulic motor stator blank body, improved the performance of stator behind the injecting glue, Deng the rubber of wall thickness since stressed evenly, sealing performance, perfect heat-dissipating, thereby increased the output torque of helicoid hydraulic motor, improved the application life of helicoid hydraulic motor.Under the equal moment of torsion of output, stator length is the shortest, can save raw material on the other hand, so be a kind of brand-new production method that waits wall stator blank body.
Present production method has following several: (1) adopts spark machined.Apparatus expensive, processing mold expense height, versatility is poor, and power consumption is big, and power consumption is high, and process velocity is slow.(2) adopt casting method processing.To in the master pattern of processing in advance, adopt resin sand to add arbor and make core rod.Employing divides the molded casting mold of making to case, and rising head and casting gate are set, and casts at the molten steel that it is good that casting gate injects smelting, and spiral fluted stator blank body is arranged in Overheating Treatment forms.This kind manufacture method complexity, and casting is easy to form the body defective, thus influence product quality, and helicoid hydraulic motor does not allow stator blank body any defective to occur as a kind of underground work instrument.(3) by extrusion molding.To at first make roughcast, on extruder, steel pipe be pushed, extrude general shape, utilize smart mould to revise the shape of housing again on the extruder then, in forming then the spiral fluted housing is arranged, this method is if the housing specification is big, when length is very long, be difficult to realize.
Summary of the invention
The invention solves processing charges height in the prior art, versatility is poor, the stator quality that processes is poor, when stator has certain length, the shortcoming that difficulty of processing is big, the present invention adopts in the method for milling processing spiral fluted helicoid hydraulic motor stator blank body, and it is fast to have speed, properties of product are stable, and the low characteristics that consume energy.
The technical solution used in the present invention is: a kind of production method of processing jacket layer helicoid hydraulic motor stator in the uniform thickness rubber is characterized in that: may further comprise the steps:
(1), select inside and outside footpath to meet the cast blank of processing request according to the processing designing requirement;
(2), the inner surface of blank is carried out retrofit, process the stator blanking inner hole that adheres to specification by building-block machine endoporus boring cutter;
(3), drive in the boring cutter bar (1) by building-block machine in sleeve (8) cooperate with the transmission of milling axle (10) radially, on the stator blanking inner hole, finish the processing of deep trouth screw thread with milling cutter;
(4), be that mould is carried out centrifugal injecting glue with helicoid hydraulic motor stator blank machine semi-finished articles, formation waits wall thickness screw thread rubber surface layer.
A kind of supporting a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell of production method of processing same wall-thickness stator, comprise lathe bed in the structure, the two ends of lathe bed are respectively arranged with headstock and tailstock case, one end of headstock is provided with chuck, chuck is connected with the chuck support, the chuck support is fixed with workpiece, be arranged on the work supporting block supporting workpiece on the lathe bed, one side of tailstock case is provided with the knife brackets of fixed cutting tool, the supporting knife brackets that is arranged on the lathe bed supports cutter, lathe bed is provided with supporting filings collecting chamber, headstock and tailstock case inside are respectively arranged with and promote the servomotor that workpiece and cutter feed, system of processing is supporting have lubricated, cooling system, what adopt in this device is the milling cutter that has S shape internal thread spherical cutter that processing deep trouth internal thread is used; Drive in the milling cutter drive mechanism and include: drive boring cutter bar, be arranged on drive boring cutter bar inside with drive the interior sleeve that boring cutter bar is rotationally connected, the interior sleeve that drives boring cutter bar inside is realized by means of the bevel gear of termination and being connected of milling axle; Milling cutter is arranged on the termination of milling axle; Driving boring cutter bar is connected with supporting rotation driving, horizontal linear driving.
The invention has the beneficial effects as follows: the same wall-thickness stator that utilizes the present invention to process, rubber layer is thin and evenly, and internal stress is little and be evenly distributed, and has increased the sticking tacky area of rubber and metal simultaneously, heat dispersion when having improved helicoid hydraulic motor work, slow down the old thermalization of rubber, same wall-thickness stator swell rubber, temperature rise evenly, are not easy to come unstuck, increase rotating speed, improve discharge capacity, help keeping for a long time high drilling efficiency, prolong the application life of drilling tool.It is impartial that thin and stator liner uniform wall thickness shrinks rubber layer, increases application life.The present invention adopts a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell that the internal thread of stator blank is processed, and process velocity is fast, and efficient height, and the short stator blank of suitable processing length are suitable equally to the big stator blank of processing length simultaneously.
Description of drawings
Accompanying drawing 1 is the structural representation of the numerical control deep-hole building-block machine of processing same wall-thickness stator shell.
Accompanying drawing 2 is the structural representation of cutter.
Accompanying drawing 3 is the enlarged drawing of F part in Fig. 2 part.
Accompanying drawing 4 is the structural representation of spherical cutter.
Among the figure, 1 for driving boring cutter bar, and 2 is milling head, 3 is broach shell, and 4 is cutter hub, and 5 is screw, 6 shaft joints, 7 is keyway, 8 is interior sleeve, 9 is spline, 10 for milling axle 11 for setting upright cap, 12 is screw, 13 is the ball-type milling headstock, and 14 is the end face cutter, and 15 is taper shank, 16 is positioning table, and 17 is headstock, and 18 is workpiece, 19 is the main axle servo motor, and 20 is knife brackets, and 21 is the cutter electric rotating machine, 22 lathe beds, 23 for driving the boring cutter bar centre frame, and 24 for driving boring cutter bar carriage case, 25 is the tailstock case, and 26 is the chuck support, and 27 is chuck, 28 is the workpiece centre frame, and 29 is servomotor.
The specific embodiment
In order to solve processing charges height in the prior art, versatility is poor, the stator quality that processes is poor, when stator has certain length, the shortcoming that difficulty of processing is big, the present invention adopts in the method for milling processing spiral fluted helicoid hydraulic motor stator blank body, and it is fast to have speed, properties of product are stable, and the low characteristics that consume energy.
The technical solution used in the present invention is: a kind of production method of processing jacket layer helicoid hydraulic motor stator in the uniform thickness rubber may further comprise the steps:
(1), select inside and outside footpath to meet the cast blank of processing request according to the processing designing requirement;
(2), the inner surface of blank is carried out retrofit, process the stator blanking inner hole that adheres to specification by building-block machine endoporus boring cutter;
(3), drive in the boring cutter bar 1 by building-block machine in sleeve 8 cooperate with the transmission of milling axle 10 radially, on the stator blanking inner hole, finish the processing of deep trouth screw thread with milling cutter;
(4), be that mould is carried out centrifugal injecting glue with helicoid hydraulic motor stator blank machine semi-finished articles, formation waits wall thickness screw thread rubber surface layer.
In the technical scheme of the present invention, the cutter that described step (2) building-block machine uses is the endoporus boring cutter.
In the technical scheme of the present invention, the cutter that described step (3) building-block machine uses is spherical cutter.
In the technical scheme of the present invention, the method for the milling of adopting in the step (3) is processed stator blank 14, and concrete steps are:
(a), utilize chuck 27 fixing the headstock 17 of end of stator blank 18 and building-block machine, and with supporting drive unit be connected;
(b), according to the length of the driving boring cutter bar 1 of the length adjustment milling cutter of stator blank 18;
(c), will drive boring cutter bar 1 and be fixed on the tailstock case 25, and be connected with supporting drive unit;
(d), the rotation of stator blank 18 is rotatably assorted with radial drive that drives boring cutter bar 1 and spherical cutter stator blank 18 is carried out Milling Process deep trouth internal thread.
Referring to accompanying drawing 1, a kind of supporting a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell of production method of processing same wall-thickness stator, comprise lathe bed in the structure, the two ends of lathe bed are respectively arranged with headstock and tailstock case, one end of headstock is provided with chuck, chuck is connected with the chuck support, the chuck support is fixed with workpiece, be arranged on the work supporting block supporting workpiece on the lathe bed, one side of tailstock case is provided with the knife brackets of fixed cutting tool, the supporting knife brackets that is arranged on the lathe bed supports cutter, lathe bed is provided with supporting filings collecting chamber, headstock and tailstock case inside are respectively arranged with and promote the servomotor that workpiece and cutter feed, system of processing is supporting have lubricated, cooling system, what adopt in this device is the milling cutter that has S shape internal thread spherical cutter that processing deep trouth internal thread is used; Drive in the milling cutter drive mechanism and include: drive boring cutter bar 1, be arranged on drive boring cutter bar 1 inside with drive the interior sleeve 8 that boring cutter bar 1 is rotationally connected, the interior sleeve 8 that drives boring cutter bar 1 inside is realized by means of the bevel gear of termination and being connected of milling axle 10; Milling head 2 is arranged on the termination of milling axle 10; Driving boring cutter bar 1 is connected with supporting rotation driving, horizontal linear driving.
Referring to accompanying drawing 2 and accompanying drawing 3, in the technical scheme of the present invention, cap 11 is set upright with what the fixing promising milling heads 2 of screw 12 provided support in the below of milling head 2.
Referring to accompanying drawing 4, in the technical scheme of the present invention, include in the structure of described S shape internal thread spherical cutter: ball-type toolframe 13 is provided with at least two identical end face cutters 14 with S shape cutting edge, and the end face cutter 14 of S shape cutting edge is positioned on the ball-type toolframe 13.
Referring to accompanying drawing 3, in the technical scheme of the present invention, have positioning table 16 on the taper shank 15.
Referring to accompanying drawing 1, in the technical scheme of the present invention, increased by one 17 ones of headstocks and driven the main axle servo motor 19 that workpiece 18 rotates.
Referring to accompanying drawing 1, in the technical scheme of the present invention, increased the servomotor 21 that drives milling head 2 rotations that drive boring cutter bar 1 one ends in knife brackets case 20 inside.
In the technical scheme of the present invention, the spiral fluted helical pitch size in the described main axle servo motor 19 is by the control of numerical control programming device.
In the technical scheme of the present invention, tailstock case 25 is connected with the apparatus for feeding that drives boring cutter bar 1 by worm and gear and reduction gearing combination structure.
Claims (12)
1. production method of processing jacket layer helicoid hydraulic motor stator in the uniform thickness rubber is characterized in that: may further comprise the steps:
(1), select inside and outside footpath to meet the cast blank of processing request according to the processing designing requirement;
(2), the inner surface of blank is carried out retrofit, process the stator blanking inner hole that adheres to specification by building-block machine endoporus boring cutter;
(3), drive in the boring cutter bar (1) by building-block machine in sleeve (8) cooperate with the transmission of milling axle (10) radially, on the stator blanking inner hole, finish the processing of deep trouth screw thread with milling cutter;
(4), be that mould is carried out centrifugal injecting glue with helicoid hydraulic motor stator blank machine semi-finished articles, formation waits wall thickness screw thread rubber surface layer.
2. a kind of production method of processing same wall-thickness stator blank body according to claim 1 is characterized in that: the cutter that described step (2) building-block machine uses is the endoporus boring cutter.
3. a kind of production method of processing same wall-thickness stator blank body according to claim 1 is characterized in that: the cutter that described step (3) building-block machine uses is spherical cutter.
4. a kind of production method of processing same wall-thickness stator blank body according to claim 3 is characterized in that: the method for the milling of adopting in the step (3) is processed stator blank (14), and concrete steps are:
(a), utilize chuck (27) fixing the headstock (17) of end of stator blank (18) and building-block machine, and with supporting drive unit be connected;
(b), according to the length of the driving boring cutter bar (1) of the length adjustment milling cutter of stator blank (18);
(c), will drive boring cutter bar (1) and be fixed on the tailstock case (25), and be connected with supporting drive unit;
(d), the rotation of stator blank (18) is rotatably assorted with radial drive that drives boring cutter bar (1) and spherical cutter stator blank (18) is carried out Milling Process deep trouth internal thread.
5. supporting a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell of production method of processing same wall-thickness stator, comprise lathe bed in the structure, the two ends of lathe bed are respectively arranged with headstock and tailstock case, one end of headstock is provided with chuck, chuck is connected with the chuck support, the chuck support is fixed with workpiece, be arranged on the work supporting block supporting workpiece on the lathe bed, one side of tailstock case is provided with the knife brackets of fixed cutting tool, the supporting knife brackets that is arranged on the lathe bed supports cutter, lathe bed is provided with supporting filings collecting chamber, headstock and tailstock case inside are respectively arranged with and promote the servomotor that workpiece and cutter feed, system of processing is supporting have lubricated, cooling system is characterized in that: what adopt in this device is the milling cutter that has S shape internal thread spherical cutter that processing deep trouth internal thread is used; Drive in the milling cutter drive mechanism and include: drive boring cutter bar (1), be arranged on drive boring cutter bar (1) inner with drive the interior sleeve (8) that boring cutter bar (1) is rotationally connected, drive that the inner interior sleeve (8) of boring cutter bar (1) is realized by means of the bevel gear of termination and being connected of milling axle (10); Milling head (2) is arranged on the termination of milling axle (10); Driving boring cutter bar (1) is connected with supporting rotation driving, horizontal linear driving.
6. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 5 is characterized in that: cap (11) is set upright with what the fixing promising milling head (2) of screw (12) provided support in the below of milling head (2).
7. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 5, it is characterized in that: include in the structure of described S shape internal thread spherical cutter: ball-type toolframe (13) is provided with at least two identical end face cutters (14) with S shape cutting edge, and the end face cutter (14) of S shape cutting edge is positioned on the ball-type toolframe (13).
8. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 7 is characterized in that: have positioning table (16) on the taper shank (15).
9. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 5 is characterized in that: increased by one in headstock (17) portion and driven the main axle servo motor (19) that workpiece (18) rotates.
10. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 5 is characterized in that: increased the servomotor (21) that drives milling head (2) rotation that drives boring cutter bar (1) one end in knife brackets case (20) inside.
11. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 10 is characterized in that: the spiral fluted helical pitch size in the described main axle servo motor (19) is by the control of numerical control programming device.
12. a kind of numerical control deep-hole building-block machine of processing the same wall-thickness stator shell according to claim 5 is characterized in that: tailstock case (25) is connected with the apparatus for feeding that drives boring cutter bar (1) by worm and gear and reduction gearing combination structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010191100025A CN102146769A (en) | 2010-02-08 | 2010-02-08 | Manufacture method for machining equivalent-thickness rubber inner jacket layer threaded rod drilling tool stator and device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010191100025A CN102146769A (en) | 2010-02-08 | 2010-02-08 | Manufacture method for machining equivalent-thickness rubber inner jacket layer threaded rod drilling tool stator and device thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567510A (en) * | 2012-08-03 | 2014-02-12 | 北京信息科技大学 | Combined cutting tool for processing stator inner holes of full-metal screw drilling tool |
| CN105195825A (en) * | 2015-09-30 | 2015-12-30 | 浙江精一重工有限公司 | Automatic deep hole reaming machine |
| CN105195775A (en) * | 2015-09-16 | 2015-12-30 | 天津市华天世纪机械有限公司 | Boring machine |
| CN107931714A (en) * | 2017-11-21 | 2018-04-20 | 中国兵器装备集团自动化研究所 | A kind of device for deep hole molded line groove processing |
| CN108909272A (en) * | 2018-08-12 | 2018-11-30 | 吴锋 | A kind of pencil-lead pours into device |
| CN113386026A (en) * | 2021-07-05 | 2021-09-14 | 盐城市新永佳石油机械制造有限公司 | Manufacturing, forming and processing machine and processing method for motor stator of screw drill |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567510A (en) * | 2012-08-03 | 2014-02-12 | 北京信息科技大学 | Combined cutting tool for processing stator inner holes of full-metal screw drilling tool |
| CN103567510B (en) * | 2012-08-03 | 2016-01-13 | 北京信息科技大学 | A kind of gang tool for processing all-metal screw drilling tool stator inner hole |
| CN105195775A (en) * | 2015-09-16 | 2015-12-30 | 天津市华天世纪机械有限公司 | Boring machine |
| CN105195825A (en) * | 2015-09-30 | 2015-12-30 | 浙江精一重工有限公司 | Automatic deep hole reaming machine |
| CN107931714A (en) * | 2017-11-21 | 2018-04-20 | 中国兵器装备集团自动化研究所 | A kind of device for deep hole molded line groove processing |
| CN108909272A (en) * | 2018-08-12 | 2018-11-30 | 吴锋 | A kind of pencil-lead pours into device |
| CN113386026A (en) * | 2021-07-05 | 2021-09-14 | 盐城市新永佳石油机械制造有限公司 | Manufacturing, forming and processing machine and processing method for motor stator of screw drill |
| CN113386026B (en) * | 2021-07-05 | 2022-05-13 | 盐城市新永佳石油机械制造有限公司 | Manufacturing, forming and processing machine and processing method for motor stator of screw drill |
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Application publication date: 20110810 |