CN102794329A - Manufacturing equipment for nozzle of main steam super pipeline of nuclear power and pulling and extrusion manufacturing process for nozzle - Google Patents
Manufacturing equipment for nozzle of main steam super pipeline of nuclear power and pulling and extrusion manufacturing process for nozzle Download PDFInfo
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- CN102794329A CN102794329A CN2012103179832A CN201210317983A CN102794329A CN 102794329 A CN102794329 A CN 102794329A CN 2012103179832 A CN2012103179832 A CN 2012103179832A CN 201210317983 A CN201210317983 A CN 201210317983A CN 102794329 A CN102794329 A CN 102794329A
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Abstract
The invention discloses manufacturing equipment for a nozzle of a main steam super pipeline of nuclear power and a pulling and extrusion manufacturing process for the nozzle. The manufacturing equipment is characterized in that a die base is arranged on and connected with a portal frame on a workbench; an upper die, a lower die and a locking block are respectively arranged on and connected with the die base; an upper sliding platform is connected with a pushing support rod; the pushing support rod is provided with a drawing die, a fork plate and a pull rod; a lock nut connected and tightly locked with the pushing support rod is arranged at and connected with the bottom of the pull rod; the pushing support rod is connected with an extrusion pull rod and an extrusion die when the nozzle is extruded; the extrusion pull rod and the pushing support rod are connected with a lock nut, thereby forming the manufacturing equipment through assembly and connection; and the pulling and extrusion process comprises the steps of primary drawing, secondary drawing and once extrusion forming. The equipment and the manufacturing process are simple and practical, and are applicable to manufacture multiple types of nozzles for the main steam super pipe of the nuclear power.
Description
Technical field
The invention belongs to pulling out to extrude and making technology of a kind of nuclear power main steam super pipeline ozzle making apparatus in the nuclear power main steam super pipeline component technology field and ozzle thereof.
Background technology
Along with the growing and science and technology of nuclear power industry is advanced by leaps and bounds, to nuclear power main steam super pipeline parts especially critical component--the specification requirement of nuclear power main steam super pipeline ozzle is also increasingly high.In known technology, if the welding ozzle that original nuclear power main steam super pipeline ozzle equipment and nozzle main thereof adopt causes use limited and the life-span is low, unstable product quality because of having weld defect and heat affected area.
In order to overcome the deficiency of prior art, solving existing nuclear power main steam super pipeline does not have the problem of pulling out crowded ozzle making apparatus and manufacture craft, and the present invention provides pulling out of a kind of nuclear power main steam super pipeline ozzle making apparatus and ozzle thereof to extrude and makes technology.
Summary of the invention
The present invention addresses the above problem the technical scheme that is adopted:
A kind of nuclear power main steam super pipeline ozzle making apparatus, it is provided with: portal frame, workbench, go up slide unit, upper die and lower die, drawing-die, die holder, press down pole, pull bar, fork plate, latch segment, extrusion die, extrusion die pull bar.On workbench, be equiped with portal frame, be fitted with die holder on the portal frame, be fitted with upper die and lower die, female pipe, latch segment on the die holder respectively; Last slide unit connects and presses down pole, presses down and is equiped with drawing-die, fork plate, pull bar on the pole, and the pull bar bottom is fitted with and presses down pole and is connected the locknut of locking; Press down pole and when ozzle pushes, connect extruding pull bar, extrusion die, the extruding pull bar with press down pole and be connected with locking nut.
The pulling out to extrude of a kind of nuclear power main steam super pipeline ozzle made technology; It is to adopt once to the technology of a redraing and an extrusion modling, pulls out the ozzle height that at first provides according to designing requirement before squeezing, and calculates female pipe and needs to bore borehole footpath size; This pre-manufactured hole also is a locating hole; The pitch-row ERROR CONTROL in 1.5 ㎜, mother manage draw on the external cylindrical surface four be mutually 90 the degree bus, use as centering.
Above-mentioned nuclear power main steam super pipeline ozzle pulls out to extrude makes technology, and its operating procedure is: be placed on portal frame on the lower table face of hydraulic press earlier, and flat, fixing with level meter water detection, be placed on the die shoe of portal frame also centering to counterdie then and fix.
Above-mentioned nuclear power main steam super pipeline ozzle pulls out to extrude makes technology; Produce two holes identical on the said counterdie simultaneously with the ozzle external diameter; A hole is as locating hole, and a hole is made and pulled out the die hole of squeezing ozzle, and pitch-row is identical with the pitch-row of female pipe pre-manufactured hole; ERROR CONTROL is in 1.5 ㎜, and two pre-manufactured holes distance is controlled in 1.5 ㎜ with the range error in female pipe ozzle hole.
Above-mentioned nuclear power main steam super pipeline ozzle pulls out to extrude makes technology, puts into female pipe and centering in the said counterdie, inserts the rhombus alignment pin in the locating hole of counterdie; In the die hole, insert the short cylindrical shape alignment pin; With two jack of band v block mother is managed jack-up to setting height then, extract cylindrical alignment pin, put into the heater and the thermocouple of burning combustible gas on recessed nib top; Thermoelectricity is on a rare occasion held and is heated the position and contact, and the thermocouple other end is connected with temperature indicator; Carry out local heat with the local heat stove to desiring to pull out crowded ozzle hole then; Be initial forging temperature when temperature is raised to 1150 ℃ ± 10 ℃, be incubated 10 minutes, after temperature retention time arrives, withdraw from heater immediately, the pull bar of packing into, drawing-die, fork plate, lock with locknut the pull bar bottom, and drawing-die is pulled out from counterdie die hole, and drawing goes out ozzle; After the ozzle drawing is accomplished, change pull bar, drawing-die, fork plate into extrusion die and extruding pull bar again, lock laggard administration-management mouth extruding, will push pull bar after extruding puts in place and unclamp, extrusion die withdraws from from above, pulls out to extrude and accomplishes.
When the present invention uses; This nuclear power main steam super pipeline ozzle equipment is installed and fixed according to designing requirement; Energized according to nuclear power main steam super pipeline ozzle drawing manufacture craft of the present invention, just can be carried out the drawing of nuclear power main steam super pipeline ozzle and make.During drawing drawing-die is pulled out from counterdie die hole, final forging temperature is 1150 ℃ ± 10 ℃, monitors with infrared radiation thermometer; After drawing is accomplished, change pull bar, drawing-die, fork plate into extrusion die and extruding pull bar, push after the locking, will push pull bar after extruding puts in place and unclamp, extrusion die withdraws from from above, pulls out to extrude and accomplishes.
Because the present invention designs and has adopted technique scheme, solved the technology of existing nuclear power main steam super pipeline ozzle equipment and ozzle thereof welding effectively, quality is difficult for the problem of assurance.Also show that it compared with prior art has equipment with manufacture craft is simple and practical, and is easy and simple to handle through the test of many times result on trial, constant product quality, advantage such as wide and life-span of the scope of application is long is applicable to the nuclear power main steam super pipeline ozzle that making is various.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Fig. 1 is the structure diagram of drawing ozzle apparatus embodiments of the present invention;
Fig. 2 is the structure chart of Fig. 1 coordinative composition of equipments drawing-die 6;
Fig. 3 is the structure diagram of Fig. 1 coordinative composition of equipments pull bar 13;
Fig. 4 is the structure diagram that the present invention pushes the ozzle apparatus embodiments;
Fig. 5 is the structure diagram of Fig. 4 coordinative composition of equipments extrusion die 14;
Fig. 6 is the structure diagram of Fig. 4 coordinative composition of equipments extruding pull bar 15.
Each label is in the accompanying drawing: slide unit on 1; 2 patrixes; 3 press down pole; 4 female pipes; 5 latch segments; 6 drawing-die; 7 counterdies; 8 die holders; 9 portal frames; 10 workbench; 11 locknuts; 12 fork plates; 13 pull bars; 14 extrusion dies; 15 extruding pull bars; 16 locking nuts.
The specific embodiment
Like accompanying drawing 1 illustrated embodiment; The each several part of present device is: portal frame 9, workbench 10, go up slide unit 1, patrix 2, counterdie 7, drawing-die 6, die holder 8, press down pole 3, pull bar 13, fork plate 12, latch segment 5, extrusion die 14, extruding pull bar 15; On workbench 10, be equiped with portal frame 9; Be fitted with die holder 8 on the portal frame 9, be fitted with patrix 2, counterdie 7, latch segment 5 on the die holder 8 respectively, last slide unit 1 connection presses down pole 3; Press down and be equiped with drawing-die 6, fork plate 12, pull bar 13 on the pole 3, pull bar 13 bottoms are fitted with and press down pole 3 and be connected locknut 11; Press down pole 3 and when ozzle pushes, connect extruding pull bar 15, extrusion die 14, extruding pull bar 15 with press down pole 3 and be connected with locking nut 16.
The pulling out to extrude and be of this nuclear power main steam super pipeline ozzle: adopt once technology to a redraing and an extrusion modling as technology; Pull out the ozzle height that at first provides before squeezing according to designing requirement; Calculate female pipe and need to bore borehole footpath size, this pre-manufactured hole also is a locating hole, and the pitch-row ERROR CONTROL is in 1.5 ㎜; Mother manage draw on the external cylindrical surface four be mutually 90 the degree bus, use as centering; Operating procedure is: is placed in portal frame 9 on the table top of workbench 10 of hydraulic press earlier, and flat with level meter water detection, fix, be placed on the die holder 8 of portal frame 9 also centering to counterdie 7 then and fix; Produce two holes identical on the counterdie 7 simultaneously with the ozzle external diameter; A hole is as locating hole; A hole is made and is pulled out the die hole of squeezing ozzle; Pitch-row is identical with the pitch-row of female pipe pre-manufactured hole, and ERROR CONTROL is in 1.5 ㎜, and two pre-manufactured holes distance is controlled in 1.5 ㎜ with the range error in female pipe ozzle hole; Put into female pipe 4 and centering in the counterdie 7; Insert the rhombus alignment pin in the locating hole of counterdie 7, in the die hole, insert the short cylindrical shape alignment pin, with two jack of band v block mother is managed jack-up to setting height then; Extract cylindrical alignment pin; Put into the heater and the thermocouple of burning combustible gas on the top, die hole of counterdie 7, thermoelectricity is on a rare occasion held and is heated the position and contact, and the other end connects temperature indicator; Carry out local heat with the local heat stove to desiring to pull out crowded ozzle hole then,, be incubated 10 minutes when temperature is raised to 1150 ℃ ± 10 ℃, is initial forging temperature; After temperature retention time arrives; Withdraw from heater immediately, the pull bar of packing into, drawing-die, fork plate, lock with locknut the pull bar bottom; Drawing-die is pulled out from counterdie die hole, and drawing goes out ozzle.
With reference to Fig. 6 embodiment; Super pipeline ozzle of the present invention changes drawing-die 6 into extrusion die 14 through after the drawing, and pull bar 13 changes extruding pull bar 15 into; Connect by trapezoidal thread between extrusion die 14 and the extruding pull bar 15; Extruding pull bar 15 bottoms with press down pole 3 and be connected, tight with the locking nut bolt, so just can carry out last extrusion operation; During drawing, drawing-die is pulled out downwards from counterdie die hole, and when extruding extrusion die after pulling down to desired location, stop, unclamping extruding pull bar 15, extrusion die 14 upwards withdraws from managing from mother, promptly accomplishes pulling out of pipeline ozzle and extrudes work.
Claims (3)
1. nuclear power main steam super pipeline ozzle making apparatus; It is characterized in that; It is provided with portal frame (9), workbench (10), last slide unit (1), patrix (2), counterdie (7), drawing-die (6), die holder (8), presses down pole (3), pull bar (13), fork plate (12), latch segment (5), extrusion die (14), extruding pull bar (15); On workbench (10), be equiped with portal frame (9); Be fitted with die holder (8) on the portal frame (9), be fitted with patrix (2), counterdie (7), latch segment (5) on the die holder (8) respectively, last slide unit (1) connection presses down pole (3); Press down and be equiped with drawing-die (6), fork plate (12), pull bar (13) on the pole (3), pull bar (13) bottom is fitted with and presses down the locknut (11) that pole (3) is connected; Press down pole (3) and when ozzle pushes, connect extruding pull bar (15), extrusion die (14), extruding pull bar (15) with press down pole (3) and be connected with locking nut (16).
2. the pulling out to extrude and make technology of a nuclear power main steam super pipeline ozzle is characterized in that, it is the technology that adopts once to a redraing and an extrusion modling; Pull out the ozzle height that at first provides before squeezing according to designing requirement; Calculate female pipe and need to bore borehole footpath size, this pre-manufactured hole also is a locating hole, and the pitch-row ERROR CONTROL is in 1.5 ㎜; Mother manage draw on the external cylindrical surface four be mutually 90 the degree bus, use as centering; Operating procedure is to be placed on portal frame on the lower table face of hydraulic press earlier, and is flat, fixing with level meter water detection, is placed on the die shoe of portal frame also centering to counterdie (2) then and fixes; On counterdie (2), produce two holes identical simultaneously with the ozzle external diameter; A hole is as locating hole; A hole is made and is pulled out the die hole of squeezing ozzle; Pitch-row is identical with the pitch-row of female pipe pre-manufactured hole, and ERROR CONTROL is in 1.5 ㎜, and two pre-manufactured holes distance is controlled in 1.5 ㎜ with the range error in female pipe ozzle hole.
3. nuclear power main steam super pipeline ozzle according to claim 2 pulls out to extrude makes technology; It is characterized in that, put into female pipe and centering in the counterdie (7), insert the rhombus alignment pin in the locating hole of counterdie (7); In the die hole, insert the short cylindrical shape alignment pin; With two jack of band v block mother is managed jack-up to setting height then, extract cylindrical alignment pin, put into local heat stove and thermocouple on the top, die hole of counterdie (7); Thermoelectricity is on a rare occasion held and is heated the position and contact, and the other end connects temperature indicator; Carry out local heat with the local heat stove to desiring to pull out crowded ozzle hole then,, be incubated 10 minutes when temperature is raised to 1150 ℃ ± 10 ℃, is initial forging temperature; After temperature retention time arrives; Withdraw from heater immediately, the pull bar of packing into, drawing-die, fork plate, lock with locknut the pull bar bottom; Drawing-die is pulled out from counterdie die hole, be drawn into ozzle; After the ozzle drawing is accomplished, change pull bar, drawing-die, fork plate into extrusion die and extruding pull bar again, lock laggard administration-management mouth extruding, will push pull bar after extruding puts in place and unclamp, extrusion die withdraws from from above, pulls out to extrude and accomplishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317983.2A CN102794329B (en) | 2012-08-31 | 2012-08-31 | Manufacturing equipment for nozzle of main steam super pipeline of nuclear power and pulling and extrusion manufacturing process for nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317983.2A CN102794329B (en) | 2012-08-31 | 2012-08-31 | Manufacturing equipment for nozzle of main steam super pipeline of nuclear power and pulling and extrusion manufacturing process for nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102794329A true CN102794329A (en) | 2012-11-28 |
| CN102794329B CN102794329B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210317983.2A Expired - Fee Related CN102794329B (en) | 2012-08-31 | 2012-08-31 | Manufacturing equipment for nozzle of main steam super pipeline of nuclear power and pulling and extrusion manufacturing process for nozzle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658208A (en) * | 2013-11-26 | 2014-03-26 | 北京首宏钢重型装备技术有限公司 | One-step forming technology of nozzle of nuclear power main-steam super pipeline |
| CN103722036A (en) * | 2013-12-17 | 2014-04-16 | 河北宏润重工股份有限公司 | Drawing device and method of nuclear power super pipeline nozzles |
| CN104148426A (en) * | 2014-08-26 | 2014-11-19 | 江阴中南重工股份有限公司 | A drawing production device for a collecting tube |
| CN108213295A (en) * | 2017-12-29 | 2018-06-29 | 二重（德阳）重型装备有限公司 | Ozzle forging method and nuclear power main pump pump case profiling forging technology |
| CN113579143A (en) * | 2021-07-30 | 2021-11-02 | 贵州航天新力科技有限公司 | Forming die and forming method for tube nozzle of tube body with tube nozzle |
| CN118143127A (en) * | 2024-05-10 | 2024-06-07 | 上海携进精密不锈钢管阀有限公司 | Pipeline hole drawing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103658208A (en) * | 2013-11-26 | 2014-03-26 | 北京首宏钢重型装备技术有限公司 | One-step forming technology of nozzle of nuclear power main-steam super pipeline |
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| CN103722036B (en) * | 2013-12-17 | 2016-02-03 | 河北宏润核装备科技股份有限公司 | A kind of nuclear power super pipeline ozzle draw device and method |
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| CN113579143A (en) * | 2021-07-30 | 2021-11-02 | 贵州航天新力科技有限公司 | Forming die and forming method for tube nozzle of tube body with tube nozzle |
| CN118143127A (en) * | 2024-05-10 | 2024-06-07 | 上海携进精密不锈钢管阀有限公司 | Pipeline hole drawing machine |
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Granted publication date: 20150715 Termination date: 20170831 |