CN204093923U - The wall thickness metal stator process equipments such as a kind of screw pump - Google Patents
The wall thickness metal stator process equipments such as a kind of screw pump Download PDFInfo
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- CN204093923U CN204093923U CN201420526802.1U CN201420526802U CN204093923U CN 204093923 U CN204093923 U CN 204093923U CN 201420526802 U CN201420526802 U CN 201420526802U CN 204093923 U CN204093923 U CN 204093923U
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Abstract
The wall thickness metal stator process equipments such as a kind of screw pump, comprise machine body (1), it is characterized in that: the side of described machine body (1) is provided with traction drive mechanism, the inner side of traction drive mechanism is provided with the jig (13) of clamping fixed stator base pipe (2), the opposite side of machine body (1) faces jig (13) and is provided with guiding wheel carrier (5), guiding wheel carrier (5) is provided with two directive wheels (4) of arranging up and down, roller rolling unit group and shaping rolling unit group is disposed with between directive wheel (4) and jig (13), roller rolling unit group comprises the roller rolling unit of more than four groups, the utility model compact conformation, rapid shaping processing can be carried out to wall thickness metal stators such as screw pumps, simplify conventional machining process, convenient processing and manufacture, with low cost, the helical pitch of control metal stator that can be more accurate and die cavity error, precision is improved, install easy to connect simultaneously, long service life.
Description
Technical field
The utility model relates to a kind of metal stator process equipment, particularly relates to the wall thickness metal stator process equipments such as a kind of screw pump, belongs to oil exploration equipment technical field.
Background technology
At present in oil extraction in oil field is produced, screw pump is widely used, the screw pump of prior art have elastomer stator screw pump, etc. wall thickness as stator screw pump and metal stator screw pump, be not suitable for heavy crude heat extraction oil field with the screw pump of elastomer stator.All-metal screw pump can bear down-hole high temperature, but the stator die cavity of metal screw pump is spiral camber, and common processing method is difficult to processing.The metal stator that prior art processes, in production efficiency cost performance, can't produce in batches, not be widely used, and metal stator becomes the manufacture bottleneck of all-metal screw pump.The existing manufacturing process technics comparing waiting wall thickness metal stator pipe to adopt is complicated, in needing, the cooperation of outer mold just can complete stator tube shaping, the manufacture of interior outer mold is inherently very complicated, so the wait helical pitch of wall thickness metal stator and the die cavity error that process can not get effective control, be not suitable for doing full metal screw pump stator, can only use as waiting external bushing of wall thickness rubber screw rod pump stator, and rubber is easy to aging distortion under the hot environment of oil well, service life is shorter, uses very inconvenient.
Such as Chinese patent mandate publication number is: CN 101865129B, the day for announcing is: on May 23rd, 2012, patent of invention disclosed a kind of processing method and special push-pull device of screw pump stator with equal wall thickness, its process steps is as follows: manufacture internal mold, coaxial welding mandrel on internal mold; Manufacture external mold, fill with in raw material steel pipe and be coated with lubricant and be enclosed within mandrel, mandrel and external mold are installed on push-pull device; Internally, external mold heating; Start push-pull device and promote steel pipe reach, squeeze out stator pump barrel; Alignment, sandblasting, injecting glue sulfuration.Its special push-pull device has a support plate, linear reciprocating mechanism is provided with and by guide rail connection guide rail seat in support plate side, be connected with gripping mechanism at support plate opposite side, track base be provided with travelling carriage and cylinder bracket and be provided with drawing oil cylinder between, travelling carriage is provided with external mold.But this technics comparing is complicated, working (machining) efficiency is lower, in needing, the cooperation of outer mold just can complete stator tube shaping, interior outer mold is not easy to processing and manufacturing, and certain error can be produced, mismachining tolerance can be made bigger than normal further by inside and outside Mould Machining screw pump stator, helical pitch and the die cavity error of metal stator can not get effective control, and precision is not high.
Summary of the invention
The object of the invention is to lack effective process equipment for wall thickness metal stators such as existing screw pumps, the mode of traditional machine tooling and die casting and molding is adopted all to there is manufacturing process complexity, helical pitch and the die cavity error of metal stator can not get effective control, precision is not high, the defect that service life is shorter and deficiency, a kind of compact conformation is now provided, simplify processing technology, convenient processing and manufacture, helical pitch and the die cavity error of metal stator can be effectively controlled, precision is high, install easy to connect, the wall thickness metal stator process equipments such as a kind of screw pump of long service life.
For realizing the purpose of this utility model, technical solution of the present utility model is: the wall thickness metal stator process equipments such as a kind of screw pump, comprise machine body, the side of described machine body is provided with traction drive mechanism, the inner side of traction drive mechanism is provided with the jig of clamping fixed stator base pipe, the opposite side of machine body faces jig and is provided with guiding wheel carrier, guiding wheel carrier is provided with two directive wheels arranged up and down, roller rolling unit group and shaping rolling unit group is disposed with between directive wheel and jig, roller rolling unit group comprises the roller rolling unit of more than four groups, the rolling cross sectional shape of roller rolling unit group from input to output gradually becomes final required elliptical shape by the initial circular of stator base pipe, in roller rolling unit group and shaping rolling unit group, the rolling yawing moment of each rolling unit and angle are consistent with the hand of helix of screw stator and angle respectively, heater is provided with between directive wheel and roller rolling unit group, heater is positioned on the excircle of stator base pipe.
Described traction drive mechanism comprises drive motors, screw mandrel, bearing block, machine tool guideway, tooth bar, big palette, casing, driving wheel, idle wheel, driven pulley and worm-and-wheel gear, drive motors is arranged on the bottom of machine body, drive motors is connected with one end of screw mandrel, screw mandrel is arranged on machine body by bearing block, the upper surface of machine body is provided with machine tool guideway, the parallel beneath of machine tool guideway is provided with tooth bar, machine tool guideway is provided with big palette, screw mandrel is provided with feed screw nut, feed screw nut and big palette fix, big palette is provided with casing, casing is provided with the driving wheel be meshed with tooth bar, driving wheel is meshed with idle wheel, idle wheel is meshed with driven pulley, driven pulley is connected with worm-and-wheel gear, worm-and-wheel gear is connected with jig.
Described roller rolling unit group is made up of the first roller rolling unit, the second roller rolling unit, the 3rd roller rolling unit and the 4th roller rolling unit, shaping rolling unit group is made up of the first shaping rolling unit and the second shaping rolling unit, is separated with a segment distance between two adjacent rolling units.
Described roller rolling unit and shaping rolling unit comprise housing frame, turning rolls, roller shaft, convex rollers and convex rollers, housing frame is rectangular frame, the bottom of housing frame is fixed on machine body, the inwall of housing frame four direction is separately installed with turning rolls, be positioned on two turning rolls in vertical direction, by roller shaft, convex rollers be installed, be positioned on two turning rolls in horizontal direction, by roller shaft, convex rollers be installed.
The arranged outside of described traction drive mechanism has screw rod to rise head unit, screw rod rises that head unit comprises the headstock that rises, the head that rises, ejection cylinder, mold, bed die and mould open/close oil cylinder, the rise bottom of the headstock is fixed on machine body, rise the headstock up and down or both sides be respectively arranged with mold and bed die, mold or bed die are provided with mould open/close oil cylinder, mould open/close oil cylinder is fixed on and rises on the headstock, rise one end of the headstock is provided with the head that rises with taper seat, the head that rises is connected with ejection cylinder, and ejection cylinder is fixed on and rises on the headstock.
The axial line of described convex rollers and convex rollers and the axial line of stator base pipe are certain deflection angle, and this deflection angle equals the lead angle of screw stator.
The lead angle of described screw stator is 5 degree of-70 degree.
The beneficial effects of the utility model are:
1, the utility model is provided with traction drive mechanism in the side of machine body, traction drive mechanism can carry out drawing and rotation, the opposite side of machine body is provided with directive wheel by guiding wheel carrier, be disposed with roller rolling unit group and shaping rolling unit group between directive wheel and jig, between directive wheel and roller rolling unit group, be provided with heater.
2, stator base pipe can be gradually become the externally threaded elliptical shape of band by initial circle by roller rolling unit group by the utility model, shaping rolling unit group can carry out shaping rolling process to stator base pipe, completely by the screw rod head unit that rises, the end of ellipse is become annular end afterwards, facilitate direct connection to pass in and out oil pipe up and down.
3, the utility model compact conformation, rapid shaping processing can be carried out to wall thickness metal stators such as screw pumps, simplify conventional machining process, convenient processing and manufacture, with low cost, the helical pitch of control metal stator that can be more accurate and die cavity error, precision is improved, install easy to connect, long service life simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the first roller rolling unit 7.
Fig. 3 is the sectional schematic diagram of A-A in Fig. 1.
Fig. 4 is the sectional schematic diagram of B-B in Fig. 1.
Fig. 5 is the sectional schematic diagram of C-C in Fig. 1.
Fig. 6 is the sectional schematic diagram of E-E in Fig. 1.
Fig. 7 is the structural representation of stator base pipe.
Fig. 8 is the screw stator schematic diagram after rolling.
Fig. 9 is the sectional schematic diagram of F-F in Fig. 8.
Figure 10 is that screw rod rises the structural representation of head unit.
In figure: machine body 1, stator base pipe 2, draw bar 3, directive wheel 4, guiding wheel carrier 5, heater 6, first roller rolling unit 7, second roller rolling unit 8, 3rd roller rolling unit 9, 4th roller rolling unit 10, first shaping rolling unit 11, second shaping rolling unit 12, jig 13, housing frame 14, turning rolls 15, roller shaft 16, convex rollers 17, convex rollers 18, drive motors 19, screw mandrel 20, bearing block 21, machine tool guideway 22, tooth bar 23, big palette 24, casing 25, driving wheel 26, idle wheel 27, driven pulley 28, worm-and-wheel gear 29, rise the headstock 30, rise 31, ejection cylinder 32, mold 33, bed die 34, mould open/close oil cylinder 35, screw stator 36.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and with detailed description of the invention, the utility model to be described in further detail.
See Fig. 1 to Figure 10, the wall thickness metal stator process equipments such as a kind of screw pump of the present utility model, comprise machine body 1, the side of described machine body 1 is provided with traction drive mechanism, the inner side of traction drive mechanism is provided with the jig 13 of clamping fixed stator base pipe 2, the opposite side of machine body 1 faces jig 13 and is provided with guiding wheel carrier 5, guiding wheel carrier 5 is provided with two directive wheels 4 arranged up and down, roller rolling unit group and shaping rolling unit group is disposed with between directive wheel 4 and jig 13, roller rolling unit group comprises the roller rolling unit of more than four groups, the rolling cross sectional shape of roller rolling unit group from input to output gradually becomes final required elliptical shape by the initial circular of stator base pipe 2, in roller rolling unit group and shaping rolling unit group, the rolling yawing moment of each rolling unit and angle are consistent with the hand of helix of screw stator 36 and angle respectively, heater 6 is provided with between directive wheel 4 and roller rolling unit group, heater 6 is positioned on the excircle of stator base pipe 2.
Described traction drive mechanism comprises drive motors 19, screw mandrel 20, bearing block 21, machine tool guideway 22, tooth bar 23, big palette 24, casing 25, driving wheel 26, idle wheel 27, driven pulley 28 and worm-and-wheel gear 29, drive motors 19 is arranged on the bottom of machine body 1, drive motors 19 is connected with one end of screw mandrel 20, screw mandrel 20 is arranged on machine body 1 by bearing block 21, the upper surface of machine body 1 is provided with machine tool guideway 22, the parallel beneath of machine tool guideway 22 is provided with tooth bar 23, machine tool guideway 22 is provided with big palette 24, screw mandrel 20 is provided with feed screw nut, feed screw nut and big palette 24 fix, big palette 24 is provided with casing 25, casing 25 is provided with the driving wheel 26 be meshed with tooth bar 23, driving wheel 26 is meshed with idle wheel 27, idle wheel 27 is meshed with driven pulley 28, driven pulley 28 is connected with worm-and-wheel gear 29, worm-and-wheel gear 29 is connected with jig 13.
Described roller rolling unit group is made up of the first roller rolling unit 7, second roller rolling unit 8, the 3rd roller rolling unit 9 and the 4th roller rolling unit 10, shaping rolling unit group is made up of the first shaping rolling unit 11 and the second shaping rolling unit 12, is separated with a segment distance between two adjacent rolling units.
Described roller rolling unit and shaping rolling unit comprise housing frame 14, turning rolls 15, roller shaft 16, convex rollers 17 and convex rollers 18, housing frame 14 is rectangular frame, the bottom of housing frame 14 is fixed on machine body 1, the inwall of housing frame 14 four direction is separately installed with turning rolls 15, be positioned on two turning rolls 15 in vertical direction, by roller shaft 16, convex rollers 17 be installed, be positioned on two turning rolls 15 in horizontal direction, by roller shaft 16, convex rollers 18 be installed.
The arranged outside of described traction drive mechanism has screw rod to rise head unit, the screw rod head unit that rises comprises the headstock 30 that rises, rise 31, ejection cylinder 32, mold 33, bed die 34 and mould open/close oil cylinder 35, the rise bottom of the headstock 30 is fixed on machine body 1, rise the headstock 30 up and down or both sides be respectively arranged with mold 33 and bed die 34, mold 33 or bed die 34 are provided with mould open/close oil cylinder 35, mould open/close oil cylinder 35 is fixed on and rises on the headstock 30, rise one end of the headstock 30 is provided with and rises 31 with taper seat, rise and 31 to be connected with ejection cylinder 32, ejection cylinder 32 is fixed on and rises on the headstock 30.
The axial line of described convex rollers 17 and convex rollers 18 and the axial line of stator base pipe 2 are certain deflection angle, and this deflection angle equals the lead angle of screw stator 36.
The lead angle of described screw stator 36 is 5 degree of-70 degree.
See Fig. 1, the side of machine body 1 is provided with traction drive mechanism, the inner side of traction drive mechanism is provided with the jig 13 of clamping fixed stator base pipe 2, and traction drive mechanism can drive stator base pipe 2 horizontal movement laterally, and does uniform speed rotation simultaneously.Traction drive mechanism comprises drive motors 19, screw mandrel 20, bearing block 21, machine tool guideway 22, tooth bar 23, big palette 24, casing 25, driving wheel 26, idle wheel 27, driven pulley 28 and worm-and-wheel gear 29.Drive motors 19 is arranged on the bottom of machine body 1, drive motors 19 is connected with one end of screw mandrel 20, screw mandrel 20 is arranged on machine body 1 by bearing block 21, the upper surface of machine body 1 is provided with machine tool guideway 22, the parallel beneath of machine tool guideway 22 is provided with tooth bar 23, machine tool guideway 22 is provided with big palette 24, screw mandrel 20 is provided with feed screw nut, feed screw nut and big palette 24 fix, big palette 24 is provided with casing 25, drive motors 19 drives big palette 24 to move horizontally by screw mandrel 20.Casing 25 is provided with the driving wheel 26 be meshed with tooth bar 23, driving wheel 26 is meshed with idle wheel 27, idle wheel 27 is meshed with driven pulley 28, driven pulley 28 is connected with worm-and-wheel gear 29, worm-and-wheel gear 29 is connected with jig 13, drives jig 13 to rotate by worm-and-wheel gear 29.Can by changing the gearratio of driving wheel 26 and driven pulley 28 in use procedure, and by the adjustment horizontal movement velocity of big palette 24 and the anglec of rotation of jig 13, when just can realize shaping stator base pipe 2, the adjustment of lead angle and helical pitch, makes lead angle and helical pitch reach pre-provisioning request.
The opposite side of machine body 1 faces jig 13 and is provided with guiding wheel carrier 5, guiding wheel carrier 5 is provided with two directive wheels 4 arranged up and down, stator base pipe 2 can through in the gap two directive wheels 4, realizes guiding to stator base pipe 2 and supporting role by directive wheel 4.Be disposed with roller rolling unit group and shaping rolling unit group between directive wheel 4 and jig 13, roller rolling unit group comprises the roller rolling unit of more than four groups, and shaping rolling unit group comprises shaping rolling unit more than two.The rolling cross sectional shape of roller rolling unit group from input to output gradually becomes the final required screwed elliptical shape of outer surface by the initial circular of stator base pipe 2.
Roller rolling unit and shaping rolling unit comprise housing frame 14, turning rolls 15, roller shaft 16, convex rollers 17 and convex rollers 18, and convex rollers 17 and convex rollers 18 progressively can carry out extrusion rolling to the stator base pipe 2 after heating shaping.Housing frame 14 is rectangular frame, the bottom of housing frame 14 is fixed on machine body 1, the inwall of housing frame 14 four direction is separately installed with turning rolls 15, be positioned on two turning rolls 15 in vertical direction, by roller shaft 16, convex rollers 17 be installed, be positioned on two turning rolls 15 in horizontal direction, by roller shaft 16, convex rollers 18 be installed.The shape of convex rollers 17 and convex rollers 18 is determined by the shape of screw stator 36 cross section, convex rollers 17 and convex rollers 18 are arranged according to the shape rule of screw stator 36 screw thread, the axis of convex rollers 17 and convex rollers 18 and the axial line of stator base pipe 2 are certain deflection angle α, this angle equals the lead angle β of stator tube, and the cross section bead wires of two pairs of convex rollers 17 and convex rollers 18 constitutes the cross sectional shape of place deformation position.Spacing between two relative convex rollers 17 and relative two convex rollers 18 can adjust setting, spacing between two convex rollers 17 that in same roller rolling unit group and shaping rolling unit group, each unit is relative and relative two convex rollers 18 is all not identical, the shape formed after its rolling according to the sequencing of work flow progressively close to final required screwed elliptical shape.
Such as: roller rolling unit group adopts rolling unit, be respectively the first roller rolling unit 7, second roller rolling unit 8, 3rd roller rolling unit 9 and the 4th roller rolling unit 10, first roller rolling unit 7 by stator base pipe 2 by the preliminary rolling of circular surface with less elliptical shape, spacing between two convex rollers 17 that second roller rolling unit 8 is relative on the basis of the first roller rolling unit 7 and convex rollers 18 reduces to some extent, stator base pipe 2 after the second roller rolling unit 8 rolling changes greatly than firm stator base pipe 2 after the first roller rolling unit 7 rolling in shape in shape, same reason, stator base pipe 2 is through the 3rd roller rolling unit 9, 4th roller rolling unit 10 and the 5th roller rolling unit, even more roller rolling unit, often through the rolling of a roller rolling unit, the profile of stator base pipe 2 is just closer to final required screwed elliptical shape.After the rolling of shaping rolling unit group, also will through the shaping rolling process of shaping rolling unit group, make the screw stator 36 after processing more regular, precision is higher.Shaping rolling unit group is by the first shaping rolling unit 11, second shaping rolling unit 12, the 3rd shaping rolling unit, and even more shaping rolling units are formed.The number of roller rolling unit and shaping rolling unit is arranged according to the size of required screw stator 36, pitch and required precision, and the quantity arranging roller rolling unit is more, and precision is higher.Through test of many times, the quantity of the roller rolling unit of the minimum needs of roller rolling unit group is six groups, and the quantity of the shaping rolling unit of the minimum needs of shaping rolling unit group is two groups.
The procedure of processing of the wall thickness metal stator forming methods such as screw pump of the present utility model is specific as follows: to have the roller rolling unit group of four groups of roller rolling units and to have the shaping rolling unit group of two groups of shaping rolling units, first stator base pipe is placed, by stator base pipe 2 horizontal through directive wheel 4, and the end of the draw bar 3 making stator base pipe 2 one end fix is successively through heater 6, first roller rolling unit 7, second roller rolling unit 8, 3rd roller rolling unit 9, 4th roller rolling unit 10, first shaping rolling unit 11 and the second shaping rolling unit 12.Subsequently the end of draw bar 3 is fixedly clamped by jig 13, and adjusts the relative position of roller rolling unit group, shaping rolling unit group and stator base pipe 2.Then start heater 6, make stator base pipe 2 thermally equivalent, be heated to 800 degrees Celsius-900 degrees Celsius.Then traction drive mechanism is started, stator base pipe drawing is rotated, stator base pipe 2 is stretched by draw bar 3 by jig 13 laterally, jig 13 drives stator base pipe 2 orientation at the uniform velocity to rotate simultaneously, stator base pipe 2 is successively through the first roller rolling unit 7, second roller rolling unit 8, 3rd roller rolling unit 9, 4th roller rolling unit 10, first shaping rolling unit 11 and the second shaping rolling unit 12, stator base pipe 2 is made to gradually become the externally threaded elliptical shape of band by initial circle, wherein the horizontal movement velocity of jig 13 is 100 millis m/min-300 millis m/min, the rotary speed of jig 13 is 2-10 rev/min.After rolling completes, the stator tube of first one-step forming is removed irregular part, intercept the stator tube of Len req as required.
Finally shaping operation is carried out to the end of stator tube, specific as follows: stator tube to be put into screw rod and to rise head unit, make the end of stator tube between mold 33 and bed die 34, whole circular cavity has been formed after mold 33 and bed die 34 split, and by mould open/close oil cylinder 35, mold 33 and bed die 34 are locked, then ejection cylinder 32 is opened, allowing rises 31 progressively clamp-ons in the end inner chamber of stator tube, make oval end become annular end, machine-shaping has operated.Annular end can reduce the attaching parts realizing being connected with oil pipe, directly can connect easily and pass in and out oil pipe up and down.
Claims (7)
1. the wall thickness metal stator process equipment such as screw pump, comprise machine body (1), it is characterized in that: the side of described machine body (1) is provided with traction drive mechanism, the inner side of traction drive mechanism is provided with the jig (13) of clamping fixed stator base pipe (2), the opposite side of machine body (1) faces jig (13) and is provided with guiding wheel carrier (5), guiding wheel carrier (5) is provided with two directive wheels (4) of arranging up and down, roller rolling unit group and shaping rolling unit group is disposed with between directive wheel (4) and jig (13), roller rolling unit group comprises the roller rolling unit of more than four groups, the rolling cross sectional shape of roller rolling unit group from input to output gradually becomes final required elliptical shape by the initial circular of stator base pipe (2), in roller rolling unit group and shaping rolling unit group, the rolling yawing moment of each rolling unit and angle are consistent with the hand of helix of screw stator (36) and angle respectively, heater (6) is provided with between directive wheel (4) and roller rolling unit group, heater (6) is positioned on the excircle of stator base pipe (2).
2. the wall thickness metal stator process equipment such as a kind of screw pump according to claim 1, it is characterized in that: described traction drive mechanism comprises drive motors (19), screw mandrel (20), bearing block (21), machine tool guideway (22), tooth bar (23), big palette (24), casing (25), driving wheel (26), idle wheel (27), driven pulley (28) and worm-and-wheel gear (29), drive motors (19) is arranged on the bottom of machine body (1), drive motors (19) is connected with one end of screw mandrel (20), screw mandrel (20) is arranged on machine body (1) by bearing block (21), the upper surface of machine body (1) is provided with machine tool guideway (22), the parallel beneath of machine tool guideway (22) is provided with tooth bar (23), machine tool guideway (22) is provided with big palette (24), (20) are provided with feed screw nut with screw mandrel, feed screw nut and big palette (24) fix, big palette (24) is provided with casing (25), casing (25) is provided with the driving wheel (26) be meshed with tooth bar (23), driving wheel (26) is meshed with idle wheel (27), idle wheel (27) is meshed with driven pulley (28), driven pulley (28) is connected with worm-and-wheel gear (29), worm-and-wheel gear (29) is connected with jig (13).
3. the wall thickness metal stator process equipment such as a kind of screw pump according to claim 1, it is characterized in that: described roller rolling unit group is made up of the first roller rolling unit (7), the second roller rolling unit (8), the 3rd roller rolling unit (9) and the 4th roller rolling unit (10), shaping rolling unit group is made up of the first shaping rolling unit (11) and the second shaping rolling unit (12), is separated with a segment distance between two adjacent rolling units.
4. the wall thickness metal stator process equipment such as a kind of screw pump according to claim 1, it is characterized in that: described roller rolling unit and shaping rolling unit comprise housing frame (14), turning rolls (15), roller shaft (16), convex rollers (17) and convex rollers (18), housing frame (14) is rectangular frame, the bottom of housing frame (14) is fixed on machine body (1), the inwall of housing frame (14) four direction is separately installed with turning rolls (15), be positioned on two turning rolls (15) in vertical direction, by roller shaft (16), convex rollers (17) be installed, be positioned on two turning rolls (15) in horizontal direction, by roller shaft (16), convex rollers (18) be installed.
5. the wall thickness metal stator process equipment such as a kind of screw pump according to claim 1, it is characterized in that: the arranged outside of described traction drive mechanism has screw rod to rise head unit, the screw rod head unit that rises comprises the headstock that rises (30), rise head (31), ejection cylinder (32), mold (33), bed die (34) and mould open/close oil cylinder (35), the rise bottom of the headstock (30) is fixed on machine body (1), rise the headstock (30) up and down or both sides be respectively arranged with mold (33) and bed die (34), mold (33) or bed die (34) are provided with mould open/close oil cylinder (35), mould open/close oil cylinder (35) is fixed on the headstock that rises (30), rise one end of the headstock (30) is provided with the head that rises (31) with taper seat, the head (31) that rises is connected with ejection cylinder (32), ejection cylinder (32) is fixed on the headstock that rises (30).
6. the wall thickness metal stator process equipment such as a kind of screw pump according to claim 4, it is characterized in that: the axial line of described convex rollers (17) and convex rollers (18) and the axial line of stator base pipe (2) are certain deflection angle, and this deflection angle equals the lead angle of screw stator (36).
7. the wall thickness metal stator process equipment such as a kind of screw pump according to claim 1, is characterized in that: the lead angle of described screw stator (36) is 5 degree of-70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526802.1U CN204093923U (en) | 2014-09-15 | 2014-09-15 | The wall thickness metal stator process equipments such as a kind of screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526802.1U CN204093923U (en) | 2014-09-15 | 2014-09-15 | The wall thickness metal stator process equipments such as a kind of screw pump |
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| Publication Number | Publication Date |
|---|---|
| CN204093923U true CN204093923U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526802.1U Withdrawn - After Issue CN204093923U (en) | 2014-09-15 | 2014-09-15 | The wall thickness metal stator process equipments such as a kind of screw pump |
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| CN (1) | CN204093923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259305A (en) * | 2014-09-15 | 2015-01-07 | 刘云卿 | Screw pump iso-wall-thickness metal stator machining device and forming method thereof |
-
2014
- 2014-09-15 CN CN201420526802.1U patent/CN204093923U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259305A (en) * | 2014-09-15 | 2015-01-07 | 刘云卿 | Screw pump iso-wall-thickness metal stator machining device and forming method thereof |
| CN104259305B (en) * | 2014-09-15 | 2016-03-16 | 刘云卿 | Wall thickness metal stator process equipment and the forming methods thereof such as a kind of screw pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20160316 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |