CN108453178A - A kind of nuclear fuel assembly compression flat spring Bending Mould - Google Patents

A kind of nuclear fuel assembly compression flat spring Bending Mould Download PDF

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Publication number
CN108453178A
CN108453178A CN201711444101.8A CN201711444101A CN108453178A CN 108453178 A CN108453178 A CN 108453178A CN 201711444101 A CN201711444101 A CN 201711444101A CN 108453178 A CN108453178 A CN 108453178A
Authority
CN
China
Prior art keywords
flat spring
supporting plate
punch
plate
bending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711444101.8A
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Chinese (zh)
Inventor
王耀华
任二亮
乔玉祥
周顺峰
王慧敏
杨军利
李晶
陈鹏飞
吴鹏
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China North Nuclear Fuel Co Ltd
Original Assignee
China North Nuclear Fuel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China North Nuclear Fuel Co Ltd filed Critical China North Nuclear Fuel Co Ltd
Priority to CN201711444101.8A priority Critical patent/CN108453178A/en
Publication of CN108453178A publication Critical patent/CN108453178A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00Making other particular articles
    • B21D53/88Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B21D53/886Making other particular articles other parts for vehicles, e.g. cowlings, mudguards leaf springs

Abstract

The present invention provides a kind of nuclear fuel assembly compression flat spring Bending Mould.The compression flat spring Bending Mould includes cope plate, lower template;Below cope plate, symmetrically arranged limited post is carried above lower template;Punch retainer is fixed below cope plate, and punch-pin is fixed below punch retainer;It is fixed with cushion block one and cushion block two side by side above lower template;Sliding block is fixed on one top of cushion block, and the setting of supporting plate one is above sliding block;Block is fixed on two top of cushion block, and supporting plate two is arranged above block;The compression flat spring workpiece of bending is waited on supporting plate one, supporting plate two, is located on supporting plate one by positioning pin by flat spring workpiece is compressed;The supporting plate one, supporting plate two, positioning pin constitute cavity plate.The present invention meets size characteristic after fuel assembly compresses the wrap direction of flat spring and makes compression flat spring bending and meets drawing and technology requirement, to ensure the smoothly production of product.

Description

A kind of nuclear fuel assembly compression flat spring Bending Mould
Technical field
The invention belongs to nuclear fuel assembly manufacturing technology fields, and in particular to flat spring bending is compressed in nuclear power fuel component Mold.
Background technology
It is one of upper tube socket assembly important component that flat spring is compressed in fuel assembly.Fig. 1 is to compress flat spring one Structural schematic diagram, Fig. 2 are to compress two, three, four structural schematic diagram of flat spring, and it is similar to compress two, three, four structure of flat spring.From Fig. 1 With Fig. 2 it is found that there are the compression flat spring 5 kinds of angles to need to carry out Bending Processing, wherein:
Compressing flat spring one has at two (35 ° of 2 ' low-angles bending, 54 ° of 58 ' wide-angles bending);
Compressing flat spring two has at one (31 ° of 11 ' angles bending), and compressing flat spring three has at one, and (31 ° of 19 ' angle is rolled over It is curved), compressing flat spring four has at one (31 ° of 28 ' angles bending).
At present there is no the Bending Moulds for being applicable in fuel assembly compression flat spring, in order to ensure to compress the manufacturing technology of flat spring It is required that therefore needing to develop a kind of Bending Mould being suitable for compressing flat spring bending.
Invention content
The object of the present invention is to provide a kind of nuclear fuel assemblies to compress flat spring Bending Mould, can ensure pressure plate bullet The manufacturing technology requirement of spring bending.
Realize the technical solution of the object of the invention:A kind of nuclear fuel assembly compression flat spring Bending Mould, the pressure plate bullet Spring Bending Mould includes cope plate, lower template;Below cope plate, symmetrically arranged limited post is carried above lower template;Punch-pin Fixed plate is fixed below cope plate, and punch-pin is fixed below punch retainer;It is fixed with one He of cushion block side by side above lower template Cushion block two;Sliding block is fixed on one top of cushion block, and the setting of supporting plate one is above sliding block;Block is fixed on two top of cushion block, supporting plate Two are arranged above block;Wait for that the compression flat spring workpiece of bending on supporting plate one, supporting plate two, will be compressed by positioning pin Flat spring workpiece is located on supporting plate one;The supporting plate one, supporting plate two, positioning pin constitute cavity plate.
A kind of nuclear fuel assembly as described above compresses flat spring Bending Mould, and when work waits for the compression flat spring of bending Workpiece is located in flat spring workpiece is compressed on supporting plate one on supporting plate one, supporting plate two, by positioning pin;Utilize hydraulic press Cope plate, punch-pin is driven to move downward, when punch-pin touches compression flat spring workpiece, supporting plate one, two related workpiece of supporting plate are together It moves upwards, the final flat spring workpiece surface that compresses is bonded with punch-pin, is achieved the purpose that compressing flat spring bending.
A kind of nuclear fuel assembly of the present invention compresses flat spring Bending Mould, which includes Cope plate, lower template;Below cope plate, symmetrically arranged limited post is carried above lower template;Punch retainer is fixed on Below template, punch-pin is fixed below punch retainer;It is fixed with cushion block one and cushion block two side by side above lower template;Sliding block is fixed Above cushion block one, the setting of supporting plate one is above sliding block;Block is fixed on two top of cushion block, and supporting plate two is arranged on block Side;The compression flat spring workpiece of bending is waited on supporting plate one, supporting plate two, the supporting plate one, supporting plate two constitute cavity plate.
A kind of nuclear fuel assembly as described above compresses flat spring Bending Mould, and when work waits for the compression flat spring of bending Workpiece drives cope plate, punch-pin to move downward on supporting plate one, supporting plate two, using hydraulic press, and punch-pin touches pressure plate When spring workpiece, supporting plate one, two related workpiece of supporting plate move upwardly together, and the final flat spring workpiece surface that compresses is pasted with punch-pin It closes, achievees the purpose that compressing flat spring bending.
As above a kind of any nuclear fuel assembly compresses flat spring Bending Mould, described in driven using hydraulic press Cope plate, punch-pin move downward, bending 10~20T of pressure, 5~10s of delay time.
As above a kind of any nuclear fuel assembly compresses flat spring Bending Mould, described in cope plate on leading Set, lower template band guide post, guide post can be inserted into guide sleeve, play position-limiting action.
As above a kind of any nuclear fuel assembly compresses flat spring Bending Mould, described in punch-pin, supporting plate one, support Plate two, positioning pin material selection wear-resistant material, hardness is in HRC55~60 or more.
As above a kind of any nuclear fuel assembly compresses flat spring Bending Mould, described in cope plate below, under The symmetrically arranged limited post carried above template, during cope plate moves down, upper and lower limited post fitting, and then limit Cope plate moves downward, and ensures that bending angle meets the specification requirement.
As above a kind of any nuclear fuel assembly compresses flat spring Bending Mould, described in driven using hydraulic press Cope plate, punch-pin move downward, bending 10~20T of pressure, 5~10s of delay time;Guide sleeve, institute are carried on the cope plate The lower template band guide post stated, guide post can be inserted into guide sleeve, play position-limiting action;Below the cope plate, lower template upper belt The symmetrically arranged limited post having, during cope plate moves down, upper and lower limited post fitting, and then it is downward to limit cope plate Movement ensures that bending angle meets the specification requirement.
Effect of the invention is that:The invention discloses a kind of nuclear fuel assemblies to compress flat spring Bending Mould, meets Size characteristic meets drawing after CAP1400 autonomy-oriented fuel assemblies compress the wrap direction of flat spring and make compression flat spring bending It is required with technology, to ensure the smoothly production of product.The Bending Mould meets mounting condition on a hydraulic press, after processing Compression flat spring fully meet drawing and technical conditions requirement.The Bending Mould has been completed 11 groups of CAP1400 autonomy-orienteds Fuel assembly compresses the bending of flat spring (every group of component needs 16 compression flat springs), and product quality is stablized.
Description of the drawings
Fig. 1 is to compress one structural schematic diagram of flat spring;
Fig. 2 is to compress two, three, four structural schematic diagram of flat spring;
Fig. 3 is to compress flat spring bent mold structure schematic diagram;
Fig. 4 is to compress one, two, three, four low-angle of flat spring to shape schematic diagram;
Fig. 5 is to compress one wide-angle of flat spring to shape schematic diagram;
Fig. 6 is bending and forming schematic diagram;
In figure:1. cope plate;2. guide sleeve;3. limited post;4. punch-pin;5. positioning pin;6. supporting plate one;7. sliding block;8. cushion block One;9. lower template;10. punch retainer;11. guide post;12. workpiece;13. supporting plate two;14. baffle;15. cushion block two.
Specific implementation mode
In the following with reference to the drawings and specific embodiments to a kind of nuclear fuel assembly compression flat spring bender of the present invention Tool is further described.
Embodiment 1
As shown in Fig. 2, a kind of nuclear fuel assembly of the present invention compresses flat spring Bending Mould, compression flat spring folding Bending mould includes cope plate 1, lower template 9;1 lower section of cope plate, 9 top of lower template carry symmetrically arranged limited post 3;Upper During template 1 moves down, upper and lower limited post 3 is bonded, and then is limited cope plate 1 and moved downward
Guide sleeve 2 is also carried on cope plate 1, lower template 9 is also with guide post 11, during cope plate 1 moves down, guide post 11 It can be inserted into guide sleeve 2, play position-limiting action.
Punch retainer 10 is fixed on 1 lower section of cope plate, and punch-pin 4 is fixed on 10 lower section of punch retainer;
9 top of lower template is fixed with cushion block 1 and cushion block 2 15 side by side;Sliding block 7 is fixed on one 8 top of cushion block, supporting plate 1 It is arranged and is above sliding block 7;Block 14 is fixed on 2 15 top of cushion block, and supporting plate 2 14 is arranged above block 14;
As shown in fig. 6, the compression flat spring workpiece 12 for waiting for bending passes through positioning pin on supporting plate 1, supporting plate 2 14 5 are located in flat spring workpiece 12 is compressed on supporting plate 1;The supporting plate 1, supporting plate 2 14, positioning pin 5 constitute cavity plate.
The punch-pin 4, supporting plate 1, supporting plate 2 14,5 material selection wear-resistant material of positioning pin, hardness is in HRC55~60 More than,
Embodiment 2
As shown in figure 4, compressing the processing of flat spring Bending Mould using nuclear fuel assembly described in embodiment 1 compresses flat spring One, two, three, four low-angles shape.
Wait for that the compression flat spring workpiece 12 of bending, will by positioning pin 5 on supporting plate 1, supporting plate 2 14 when work Flat spring workpiece 12 is compressed to be located on supporting plate 1;Cope plate 1, punch-pin 4 is driven to move downward using hydraulic press, punch-pin 4 contacts To when compressing flat spring workpiece 12, supporting plate 1,2 14 related workpiece 12 of supporting plate move upwardly together, final to compress flat spring work 12 upper surface of part is bonded with punch-pin 4, is achieved the purpose that compressing flat spring bending.
Described drives cope plate 1, punch-pin 4 to move downward using hydraulic press, bending 10~20T of pressure, and delay time 5~ 10s。
Embodiment 3
As shown in Fig. 2, a kind of nuclear fuel assembly of the present invention compresses flat spring Bending Mould, compression flat spring folding Bending mould includes cope plate 1, lower template 9;1 lower section of cope plate, 9 top of lower template carry symmetrically arranged limited post 3;Upper During template 1 moves down, upper and lower limited post 3 is bonded, and then is limited cope plate 1 and moved downward
Guide sleeve 2 is also carried on cope plate 1, lower template 9 is also with guide post 11, during cope plate 1 moves down, guide post 11 It can be inserted into guide sleeve 2, play position-limiting action.
Punch retainer 10 is fixed on 1 lower section of cope plate, and punch-pin 4 is fixed on 10 lower section of punch retainer;
9 top of lower template is fixed with cushion block 1 and cushion block 2 15 side by side;Sliding block 7 is fixed on one 8 top of cushion block, supporting plate 1 It is arranged and is above sliding block 7;Block 14 is fixed on 2 15 top of cushion block, and supporting plate 2 14 is arranged above block 14;
As shown in fig. 6, waiting for the compression flat spring workpiece 12 of bending on supporting plate 1, supporting plate 2 14.
The punch-pin 4, supporting plate 1,2 14 material selection wear-resistant material of supporting plate, hardness in HRC55~60 or more,
Embodiment 4
As shown in figure 5, compressing the processing of flat spring Bending Mould using nuclear fuel assembly described in embodiment 3 compresses flat spring One wide-angle shapes.
Wait for that the compression flat spring workpiece 12 of bending, will by positioning pin 5 on supporting plate 1, supporting plate 2 14 when work Flat spring workpiece 12 is compressed to be located on supporting plate 1;Cope plate 1, punch-pin 4 is driven to move downward using hydraulic press, punch-pin 4 contacts To when compressing flat spring workpiece 12, supporting plate 1,2 14 related workpiece 12 of supporting plate move upwardly together, final to compress flat spring work 12 upper surface of part is bonded with punch-pin 4, is achieved the purpose that compressing flat spring bending.
Described drives cope plate 1, punch-pin 4 to move downward using hydraulic press, bending 10~20T of pressure, and delay time 5~ 10s。
It is different from low-angle Bending Mould support board structure to compress one wide-angle Bending Mould of flat spring, and without positioning Pin, other structures are identical.
Flat spring bending is compressed in the present invention and uses vertical Sheet Metal Forming Technology, and vertical Sheet Metal Forming Technology is the punch-pin direction of motion and liquid The press slide direction of motion overlaps, it is that punch-pin is fixed on hydraulic press top shoe, cavity plate fixed hydraulic machine worktable, pressure plate Spring is installed to supporting plate, drives punch-pin to move downward using hydraulic press top shoe, and when punch-pin touches workpiece, supporting plate one, two connects Band compresses flat spring workpiece and moves together, and the final flat spring workpiece surface that compresses is bonded with punch-pin, is reached to compressing flat spring The purpose of bending is delayed a period of time more preferably to reach bending effect after molding.

Claims (9)

1. a kind of nuclear fuel assembly compresses flat spring Bending Mould, it is characterised in that:The compression flat spring Bending Mould includes upper Template (1), lower template (9);Below cope plate (1), symmetrically arranged limited post (3) is carried above lower template (9);
Punch retainer (10) is fixed below cope plate (1), and punch-pin (4) is fixed below punch retainer (10);
It is fixed with cushion block one (8) and cushion block two (15) side by side above lower template (9);Sliding block (7) is fixed on above cushion block one (8), Supporting plate one (6) is arranged is above sliding block (7);Block (14) is fixed on above cushion block two (15), and supporting plate two (14) setting is being kept off Above block (14);
Wait for that the compression flat spring workpiece (12) of bending on supporting plate one (6), supporting plate two (14), will be pressed by positioning pin (5) Tight flat spring workpiece (12) is located on supporting plate one (6);The supporting plate one (6), supporting plate two (14), positioning pin (5) constitute recessed Mould.
2. a kind of nuclear fuel assembly according to claim 1 compresses flat spring Bending Mould, it is characterised in that:It is waited for when work The compression flat spring workpiece (12) of bending is mounted on supporting plate one (6), on supporting plate two (14), by positioning pin (5) by pressure plate bullet Spring workpiece (12) is located on supporting plate one (6);Cope plate (1), punch-pin (4) is driven to move downward using hydraulic press, punch-pin (4) connects Contact that supporting plate one (6), the related workpiece of supporting plate two (14) (12) move upwardly together, most final pressure when compressing flat spring workpiece (12) Tight flat spring workpiece (12) upper surface is bonded with punch-pin (4), is achieved the purpose that compressing flat spring bending.
3. a kind of nuclear fuel assembly compresses flat spring Bending Mould, it is characterised in that:The compression flat spring Bending Mould includes upper Template (1), lower template (9);Below cope plate (1), symmetrically arranged limited post (3) is carried above lower template (9);
Punch retainer (10) is fixed below cope plate (1), and punch-pin (4) is fixed below punch retainer (10);
It is fixed with cushion block one (8) and cushion block two (15) side by side above lower template (9);Sliding block (7) is fixed on above cushion block one (8), Supporting plate one (6) is arranged is above sliding block (7);Block (14) is fixed on above cushion block two (15), and supporting plate two (14) setting is being kept off Above block (14);
The compression flat spring workpiece (12) of bending is waited on supporting plate one (6), supporting plate two (14), the supporting plate one (6), support Plate two (14) constitutes cavity plate.
4. a kind of nuclear fuel assembly according to claim 3 compresses flat spring Bending Mould, it is characterised in that:It is waited for when work The compression flat spring workpiece (12) of bending is mounted on supporting plate one (6), on supporting plate two (14), using hydraulic press drive cope plate (1), Punch-pin (4) moves downward, when punch-pin (4) touches compression flat spring workpiece (12), supporting plate one (6), the related work of supporting plate two (14) Part (12) moves upwardly together, and final flat spring workpiece (12) upper surface that compresses is bonded with punch-pin (4), is reached to compressing flat spring The purpose of bending.
5. a kind of nuclear fuel assembly according to any one of claims 1 to 4 compresses flat spring Bending Mould, it is characterised in that: Described drives cope plate (1), punch-pin (4) to move downward using hydraulic press, bending 10~20T of pressure, 5~10s of delay time.
6. a kind of nuclear fuel assembly according to any one of claims 1 to 4 compresses flat spring Bending Mould, it is characterised in that: Guide sleeve (2), the lower template (9) band guide post (11) are carried on the cope plate (1), guide post (11) can be inserted into guide sleeve (2) It is interior, play position-limiting action.
7. a kind of nuclear fuel assembly according to any one of claims 1 to 4 compresses flat spring Bending Mould, it is characterised in that: The punch-pin (4), supporting plate one (6), supporting plate two (14), positioning pin (5) material selection wear-resistant material, hardness is in HRC55~60 More than.
8. a kind of nuclear fuel assembly according to any one of claims 1 to 4 compresses flat spring Bending Mould, it is characterised in that: The symmetrically arranged limited post (3) carried below the cope plate (1), above lower template (9), in cope plate (1) to moving down During dynamic, upper and lower limited post (3) fitting, and then limit cope plate (1) and move downward, ensure that bending angle meets the specification It is required that.
9. a kind of nuclear fuel assembly according to any one of claims 1 to 4 compresses flat spring Bending Mould, it is characterised in that: Described drives cope plate (1), punch-pin (4) to move downward using hydraulic press, bending 10~20T of pressure, 5~10s of delay time;
Guide sleeve (2), the lower template (9) band guide post (11) are carried on the cope plate (1), guide post (11) can be inserted into guide sleeve (2) in, position-limiting action is played;
The symmetrically arranged limited post (3) carried below the cope plate (1), above lower template (9), cope plate (1) to During lower movement, upper and lower limited post (3) fitting, and then limit cope plate (1) and move downward, ensure that bending angle meets technology Condition requirement.
CN201711444101.8A 2017-12-27 2017-12-27 A kind of nuclear fuel assembly compression flat spring Bending Mould Pending CN108453178A (en)

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Application Number Priority Date Filing Date Title
CN201711444101.8A CN108453178A (en) 2017-12-27 2017-12-27 A kind of nuclear fuel assembly compression flat spring Bending Mould

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CN201613308U (en) * 2010-01-27 2010-10-27 湖南铁道职业技术学院 V-shaped 90 degrees self-supporting bending springback angle adjustable die
CN203695680U (en) * 2014-01-27 2014-07-09 江苏凯联达电子科技有限公司 Angle-adjustable copper tube bending mold
CN203778608U (en) * 2014-03-28 2014-08-20 青岛海瑞德金属制品有限公司 V-shaped movable pendulum block bending die and punch press
CN104438853A (en) * 2014-12-14 2015-03-25 马鞍山市国菱机械刃模有限公司 Indentation-free bending machine die and manufacture method thereof
CN204234536U (en) * 2014-11-24 2015-04-01 南车长江车辆有限公司 A kind of special-shaped bending part post-positioning device
CN105290164A (en) * 2015-11-11 2016-02-03 天津鹏宇兴业五金制品有限公司 Adjustable metal plate bending device
CN106216514A (en) * 2016-08-03 2016-12-14 吴江市金康电力器材有限公司 A kind of steel tower corner iron hyperbolic processing mold of adjustable-angle
CN206779272U (en) * 2017-01-17 2017-12-22 天津开发区精锐精密模具有限公司 A kind of 90 degree of one step bending and the metal stamping die of adjustable-angle

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* Cited by examiner, † Cited by third party
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CN1383394A (en) * 2000-06-23 2002-12-04 老虎恒产有限公司 Metal sheet bending device with rotation inhibiting function
CN201613308U (en) * 2010-01-27 2010-10-27 湖南铁道职业技术学院 V-shaped 90 degrees self-supporting bending springback angle adjustable die
CN203695680U (en) * 2014-01-27 2014-07-09 江苏凯联达电子科技有限公司 Angle-adjustable copper tube bending mold
CN203778608U (en) * 2014-03-28 2014-08-20 青岛海瑞德金属制品有限公司 V-shaped movable pendulum block bending die and punch press
CN204234536U (en) * 2014-11-24 2015-04-01 南车长江车辆有限公司 A kind of special-shaped bending part post-positioning device
CN104438853A (en) * 2014-12-14 2015-03-25 马鞍山市国菱机械刃模有限公司 Indentation-free bending machine die and manufacture method thereof
CN105290164A (en) * 2015-11-11 2016-02-03 天津鹏宇兴业五金制品有限公司 Adjustable metal plate bending device
CN106216514A (en) * 2016-08-03 2016-12-14 吴江市金康电力器材有限公司 A kind of steel tower corner iron hyperbolic processing mold of adjustable-angle
CN206779272U (en) * 2017-01-17 2017-12-22 天津开发区精锐精密模具有限公司 A kind of 90 degree of one step bending and the metal stamping die of adjustable-angle

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