CN109500253A - A kind of outer band punching die of nuclear fuel assembly grid spacer - Google Patents
A kind of outer band punching die of nuclear fuel assembly grid spacer Download PDFInfo
- Publication number
- CN109500253A CN109500253A CN201811631566.9A CN201811631566A CN109500253A CN 109500253 A CN109500253 A CN 109500253A CN 201811631566 A CN201811631566 A CN 201811631566A CN 109500253 A CN109500253 A CN 109500253A
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- China
- Prior art keywords
- bending
- plate
- die
- punching press
- die holder
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses the processing that a kind of single-station mold is applied to band outside spacer grid of fuel assembly, this project seeks to fill that the processing method of the outer band of spacer grid of fuel assembly and the outer band of grid spacer is made to meet drawing and technical requirements, to guarantee the smoothly production of product.Including monnolithic case punching die, outer strap ends bending and chamfer mould, right-angle bending and lapping Bending Mould.
Description
Technical field
The invention belongs to nuclear fuel element technical fields, and in particular to a kind of outer band punching of nuclear fuel assembly grid spacer
Mold.
Background technique
The outer band of nuclear fuel assembly grid spacer belongs to sheet walled metallic structure, and band upper and lower ends have several protection wings
Shape, and in being symmetrically and evenly distributed, there are 90 ° of bending structures in band middle section by one end, and a belt length end margin has lapping bulge-structure.
Such strip metal punching course is very high to required precision, and should be able to meet scale punching according to production needs
System.At present still without band processing technology outside grid spacer.The dedicated punching die of designed, designed solves this and asks based on the above reasons
Topic.
Summary of the invention
It is an object of the invention to: the punch process of various structures feature on strip product is completed, and it is made to meet drawing
Technical requirements.
Technical scheme is as follows: a kind of outer band punching die of nuclear fuel assembly grid spacer, including whole outer
Shape punching die, outer strap ends bending and chamfer mould, right-angle bending and lapping Bending Mould；
Monnolithic case punching die includes upper die holder A, upper die plate A, cope plate A, upper die holder A, upper die plate A, upper mold
Plate A is connected by bolt AA, and cope plate A is connect with stripper A by bolt AC, and limited post A is located at upper die plate A, cope plate A
And in stripper A corresponding position hole, plug screw A is located on upper die holder A, lower template A, lower mold backing plate A, lower die holder A pass through
Bolt AB is fixed, and stud AD is located in lower die holder A and passes through lower mold backing plate A, and forming convax mould passes through cope plate A and stripper A, at
Among lower template A, guide post A is located on lower die holder A type cavity plate, limit hole A be located on lower template A and with limited post A phase interworking
Relative position whole up and down after contract beam closure, shop bolt AB pass through pin hole A and to lower template A, lower mold backing plate A and
The relative position of lower die holder A is constrained, and punching press positioning column A is located on lower template A and determines before carrying out punching press to punching press materials A
Position；
Outer strap ends bending and chamfer mould include upper die holder B, upper die plate B, cope plate B, upper die holder B, upper die-cushion
Plate B, cope plate B are connected by bolt B A, and chamfering punch-pin passes through cope plate B and stripper B, limited post B be located at upper die plate B,
In cope plate B and stripper B corresponding position hole, plug screw B is located on upper die holder B, lower template B, lower mold backing plate B, lower die
Seat B is fixed by bolt B B, and for chamfering die in lower template B, bending punch-pin in end passes through cope plate B and stripper B, end folding
On lower template B, guide post B is located on lower die holder B curved cavity plate, and limit hole B is located on lower template B and cooperates with limited post B
Relative position whole up and down after constraint closure, bolt B B pass through pin hole B and to lower template B, lower mold backing plate B and lower die holders
The relative position of B is constrained, and punching press locating piece B is located on lower template B and carries out punching press prelocalization to stamping material B,
Right-angle bending and lapping Bending Mould include upper die holder C, upper die plate C, cope plate C, upper die holder C, upper die plate
C, cope plate C, connected by bolt CA, right-angle bending punch-pin passes through cope plate C and stripper C, and limited post C is located at upper die plate
C, in cope plate C and stripper C corresponding position hole, plug screw C is located on upper die holder C, lower template C, lower mold backing plate C, under
Die holder C is fixed by bolt CB, and right-angle bending core mould is located in right-angle bending punch-pin, and lapping bending punch-pin passes through cope plate C
With stripper C, among lower template, guide post C is located on lower die holder C lapping bending female die, and limit hole C is located on lower template C simultaneously
Cooperate relative position whole up and down after constraining closure with limited post C, and shop bolt CB passes through pin hole C and to lower template
C, the relative position of lower mold backing plate C and lower die holder C are constrained, and punching press locating piece C is located on lower template C and to stamping material
C carries out punching press prelocalization,
Stamping material A is a piece of rectangular sheet metal.
Stamping material B is a piece of thin sheet of metal for having specific profile, is intermediate products A.
Stamping material C is the rectangular sheet metal that there is bending structure in a piece of end, is intermediate products B.
When monnolithic case punching press, monnolithic case punching die unitary closed compresses forming convax mould and molding concave die, by it
Between stamping material A carry out shape punching, punching press movement after the completion of formed intermediate products A.
When outer strap ends bending and chamfering punching press, outer strap ends bending and chamfer mould unitary closed keep chamfering convex
Mould and chamfering die compress, while compress end bending punch-pin and end bending female die, and stamping material B therebetween is rolled over
Curved and chamfering forms intermediate products B after the completion of punching press movement.
When right-angle bending and lapping Bending Mould punching press, right-angle bending and lapping Bending Mould unitary closed roll over lapping
Curved punch-pin and lapping bending female die compress, while making the related right-angle bending core mould of right-angle bending punch-pin downward, right-angle folding simultaneously
It curves and occurs to rotate and persistently rotate during the depression process counterclockwise after core model is contacted with stamping material C, finally to punching press material C
It has been completed at the same time right-angle bending and lapping bending, has formed final products C after the completion of punching press movement.
Remarkable result of the invention is: the locating grid cell tube after mold processing fully meets drawing and technology item
Part requirement
Detailed description of the invention
Fig. 1 is the outer band punching die monnolithic case punching die signal of nuclear fuel assembly grid spacer of the present invention
Figure；
Fig. 2 is that the outer band punching die monnolithic case punching die of nuclear fuel assembly grid spacer of the present invention is overlooked
Figure；
Fig. 3 is the outer strap ends bending of the outer band punching die of nuclear fuel assembly grid spacer of the present invention and chamfering
Mold schematic diagram；
Fig. 4 is the outer strap ends bending of the outer band punching die of nuclear fuel assembly grid spacer of the present invention and chamfering
Mold top view；
Fig. 5 is the outer band right-angle bending of the outer band punching die of nuclear fuel assembly grid spacer of the present invention and lapping
Bending Mould schematic diagram；
Fig. 6 is the outer band right-angle bending of the outer band punching die of nuclear fuel assembly grid spacer of the present invention and lapping
Bending Mould top view；
In figure: upper die holder A1, upper die plate A2, cope plate A3, stripper A4, lower template A5, lower mold backing plate A6, lower die holder
A7, bolt AA8, bolt AB9, bolt AC10, stud AD11, plug screw A12, limited post A13, forming convax mould 14, punching press material
Expect A15, molding concave die 16, guide post A17, limit hole A18, pin hole A19, punching press positioning column A20,
Upper die holder B21, upper die plate B22, cope plate B23, stripper B24, lower template B25, lower mold backing plate B26, lower die
Seat B27, bolt B A28, bolt B B29, chamfering punch-pin 30, chamfering die 31, plug screw B32, limited post B33, end bending
Punch-pin 34, stamping material B35, end bending female die 36, guide post B37, limit hole B38, pin hole B39, punching press locating piece B40
Upper die holder C41, upper die plate C42, cope plate C43, stripper C44, lower template C45, lower mold backing plate C46, lower die
Seat C47, bolt CA48, bolt CB49, right-angle bending punch-pin 50, right-angle bending core mould 51, plug screw C52, limited post
C53, lapping bending punch-pin 54, stamping material C55, lapping bending female die 56, guide post C57, limit hole C58, pin hole C59, punching
Press locating piece C60
Specific embodiment
A kind of outer band punching die of nuclear fuel assembly grid spacer, including monnolithic case punching die, outer strap ends
Bending and chamfer mould, right-angle bending and lapping Bending Mould；
Fig. 1 show outer band monnolithic case punching die structure chart, monnolithic case punching die include upper die holder A1, on
Die-cushion plate A2, cope plate A3, upper die holder A1, upper die plate A2, cope plate A3 are connected by bolt AA8, cope plate A3 and discharging
Plate A4 is connected by bolt AC10, and limited post A13 is located at upper die plate A2, cope plate A3 and stripper A4 corresponding position hole
Interior, plug screw A12 is located on upper die holder A1, and lower template A5, lower mold backing plate A6, lower die holder A7 are fixed by bolt AB9, stud
AD11 is located in lower die holder A7 and passes through lower mold backing plate A6, and forming convax mould 14 passes through cope plate A3 and stripper A4, molding concave die
16 among lower template A5, and guide post A17 is located on lower die holder A7, limit hole A18 be located on lower template A5 and with limited post A13 phase
Relative position whole up and down, shop bolt AB9 pass through pin hole A19 and to lower template A5, lower die after mutual fiting constraint closure
The relative position of backing plate A6 and lower die holder A7 are constrained, and punching press positioning column A20 is located on lower template A5 and to stamping material
A15 carries out punching press prelocalization, and stamping material A15 is a piece of rectangular sheet metal.When punching press, mold unitary closed makes to form
Punch-pin 14 and molding concave die 16 compress, and stamping material A15 therebetween is carried out shape punching, is formed after the completion of punching press movement intermediate
Product A.
Fig. 2 show outer strap ends bending and chamfer mould structure chart, upper die holder B21, upper die plate B22, cope plate
B23 is connected by bolt B A28, and chamfering punch-pin 30 passes through cope plate B23 and stripper B24, and limited post B33 is located at upper die plate
In B22, cope plate B23 and stripper B24 corresponding position hole, plug screw B32 is located on upper die holder B21, lower template B25,
Lower mold backing plate B26, lower die holder B27 are fixed by bolt B B29, and chamfering die in lower template B25, wear by end bending punch-pin 34
Cope plate B23 and stripper B24 are crossed, on lower template B25, guide post B37 is located on lower die holder B27 end bending female die 36, limit
Position hole B38 be located at lower template B25 on and with limited post B33 cooperate constraint be closed after entirety up and down relative position, bolt
BB29 passes through pin hole B39 and constrains the relative position of lower template B25, lower mold backing plate B26 and lower die holder B27, rushes
Pressure locating piece B40 is located on lower template B25 and to stamping material B35 progress punching press prelocalization, and stamping material B35 is that a piece of have spy
The thin sheet of metal of different profile, is intermediate products A.When punching press, mold unitary closed presses chamfering punch-pin 30 and chamfering die 31
Tightly, while end bending punch-pin 34 and end bending female die 36 are compressed, stamping material B35 therebetween is carried out bending and fallen
Angle forms intermediate products B after the completion of punching press movement.
Fig. 3 show outer band right-angle bending and lapping bent mold structure figure, upper die holder C41, upper die plate C42, on
Template C43, it is connected by bolt CA48, right-angle bending punch-pin 50 passes through cope plate C43 and stripper C44, and limited post C53 is located at
In upper die plate C42, cope plate C43 and stripper C44 corresponding position hole, plug screw C52 is located on upper die holder C41, under
Template C45, lower mold backing plate C46, lower die holder C47 are fixed by bolt CB49, and it is convex that right-angle bending core mould 51 is located at right-angle bending
In mould 50, lapping bending punch-pin 54 passes through cope plate C43 and stripper C44, and lapping bending female die 56 is led among lower template 45
Column C57 is located on lower die holder C47, after limit hole C58 is located on lower template C45 and is closed with limited post C53 mutual cooperation constraint
Whole relative position up and down, shop bolt CB49 pass through pin hole C59 and to lower template C45, lower mold backing plate C46 and lower dies
The relative position of seat C47 is constrained, and punching press locating piece C60 is located on lower template C 45 and carries out punching press to punching press material C 55
Prelocalization, stamping material C55 are the rectangular sheet metals that there is bending structure in a piece of end, are intermediate products B.When punching press,
Mold unitary closed compresses lapping bending punch-pin 54 and lapping bending female die 56, while keeping right-angle bending punch-pin 50 related straight
Angle bending core mould 51 simultaneously downwards, right-angle bending core mould 51 occur after contact with stamping material C55 it is counterclockwise rotate and
Lasting rotation during pushing, has finally been completed at the same time right-angle bending and lapping bending to punching press material C 55, and punching press movement is completed
Final products C is formed afterwards.
Claims (7)
1. a kind of outer band punching die of nuclear fuel assembly grid spacer, it is characterised in that: including monnolithic case punching die, outside
Strap ends bending and chamfer mould, right-angle bending and lapping Bending Mould；
Monnolithic case punching die includes upper die holder A (1), upper die plate A (2), cope plate A (3), upper die holder A (1), upper die-cushion
Plate A (2), cope plate A (3) are connected by bolt AA (8), and cope plate A (3) is connect with stripper A (4) by bolt AC (10),
Limited post A (13) is located in upper die plate A (2), cope plate A (3) and stripper A (4) corresponding position hole, plug screw A
(12) it is located on upper die holder A (1), lower template A (5), lower mold backing plate A (6), lower die holder A (7) are fixed by bolt AB (9), stud
AD (11) is located in lower die holder A (7) and passes through lower mold backing plate A (6), and forming convax mould (14) passes through cope plate A (3) and stripper A
(4), molding concave die (16) is intermediate in lower template A (5), and guide post A (17) is located on lower die holder A (7), under limit hole A (18) is located at
Cooperate relative position whole up and down after constraining closure on template A (5) and with limited post A (13), and shop bolt AB (9) is worn
It crosses pin hole A (19) and the relative position of lower template A (5), lower mold backing plate A (6) and lower die holder A (7) is constrained, punching press
Positioning column A (20) is located on lower template A (5) and carries out punching press prelocalization to punching press materials A (15)；
Outer strap ends bending and chamfer mould include upper die holder B (21), upper die plate B (22), cope plate B (23), upper die holder B
(21), upper die plate B (22), cope plate B (23) are connected by bolt B A (28), and chamfering punch-pin (30) passes through cope plate B (23)
With stripper B (24), limited post B (33) is located at upper die plate B (22), cope plate B (23) and stripper B (24) corresponding position
In hole, plug screw B (32) is located on upper die holder B (21), and lower template B (25), lower mold backing plate B (26), lower die holder B (27) pass through
Bolt B B (29) is fixed, and for chamfering die in lower template B (25), end bending punch-pin (34) passes through cope plate B (23) and discharging
Plate B (24), end bending female die (36) is on lower template B (25), and guide post B (37) is located on lower die holder B (27), limit hole B
(38) relative position whole up and down, bolt after being located on lower template B (25) and being closed with limited post B (33) mutual cooperation constraint
BB (29) pass through pin hole B (39) and to the relative position of lower template B (25), lower mold backing plate B (26) and lower die holder B (27) into
Row constraint, punching press locating piece B (40) are located on lower template B (25) and carry out punching press prelocalization to stamping material B (35)；
Right-angle bending and lapping Bending Mould include upper die holder C (41), upper die plate C (42), cope plate C (43), upper die holder C
(41), upper die plate C (42), cope plate C (43), by bolt CA (48) connect, right-angle bending punch-pin (50) pass through cope plate C
(43) with stripper C (44), limited post C (53) is located at upper die plate C (42), cope plate C (43) and stripper C (44) is corresponding
In location hole, plug screw C (52) is located on upper die holder C (41), lower template C (45), lower mold backing plate C (46), lower die holder C (47)
Fixed by bolt CB (49), right-angle bending core mould (51) is located in right-angle bending punch-pin (50), lapping bending punch-pin (54)
Across cope plate C (43) and stripper C (44), lapping bending female die (56) is intermediate in lower template (45), under guide post C (57) is located at
On die holder C (47), limit hole C (58) is upper and lower after being located on lower template C (45) and being closed with limited post C (53) mutual cooperation constraint
Whole relative position, shop bolt CB (49) pass through pin hole C (59) and to lower template C (45), lower mold backing plate C (46) and
The relative position of lower die holder C (47) is constrained, and punching press locating piece C (60) is located on lower template C (45) and to punching press material C
(55) punching press prelocalization is carried out.
2. a kind of outer band punching die of nuclear fuel assembly grid spacer according to claim 1, it is characterised in that: punching press
Materials A (15) is a piece of rectangular sheet metal.
3. a kind of outer band punching die of nuclear fuel assembly grid spacer according to claim 1, it is characterised in that: punching press
Material B (35) is a piece of thin sheet of metal for having specific profile, is intermediate products A.
4. a kind of outer band punching die of nuclear fuel assembly grid spacer according to claim 1, it is characterised in that: punching press
Material C (55) is the rectangular sheet metal that there is bending structure in a piece of end, is intermediate products B.
5. a kind of outer band punching die of nuclear fuel assembly grid spacer according to claim 1, it is characterised in that: whole
When shape punching press, monnolithic case punching die unitary closed compresses forming convax mould (14) and molding concave die (16), will therebetween
Stamping material A (15) carries out shape punching, forms intermediate products A after the completion of punching press movement.
6. a kind of outer band punching die of nuclear fuel assembly grid spacer according to claim 1, it is characterised in that: outer item
When band end bending and chamfering punching press, outer strap ends bending and chamfer mould unitary closed make chamfering punch-pin (30) and chamfering
Cavity plate (31) compresses, while compresses end bending punch-pin 34 and end bending female die (36), by stamping material B (35) therebetween
Bending and chamfering are carried out, forms intermediate products B after the completion of punching press movement.
7. a kind of outer band punching die of nuclear fuel assembly grid spacer according to claim 1, it is characterised in that: right angle
When bending and lapping Bending Mould punching press, right-angle bending and lapping Bending Mould unitary closed, make lapping bending punch-pin (54) with
Lapping bending female die (56) compresses, while keeping the related right-angle bending core mould (51) of right-angle bending punch-pin (50) downward simultaneously, directly
Angle bending core mould (51) occurs to rotate and persistently rotate during the depression process counterclockwise after contacting with stamping material C (55), most
Right-angle bending and lapping bending have been completed at the same time to punching press material C (55) eventually, formed final products C after the completion of punching press movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631566.9A CN109500253A (en) | 2018-12-29 | 2018-12-29 | A kind of outer band punching die of nuclear fuel assembly grid spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811631566.9A CN109500253A (en) | 2018-12-29 | 2018-12-29 | A kind of outer band punching die of nuclear fuel assembly grid spacer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109500253A true CN109500253A (en) | 2019-03-22 |
Family
ID=65755791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811631566.9A Pending CN109500253A (en) | 2018-12-29 | 2018-12-29 | A kind of outer band punching die of nuclear fuel assembly grid spacer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109500253A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059063A (en) * | 2021-04-22 | 2021-07-02 | 宁波康迪普瑞模具技术有限公司 | Mold design method and processing method of grid straps |
| CN117505674A (en) * | 2024-01-05 | 2024-02-06 | 广州坤江汽车配件工业制造有限公司 | Stamping die capable of rapidly positioning and automatically returning materials |
| CN117505674B (en) * | 2024-01-05 | 2024-04-30 | 广州坤江汽车配件工业制造有限公司 | Stamping die capable of rapidly positioning and automatically returning materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705512A (en) * | 1970-01-28 | 1972-12-12 | Maschf Augsburg Nuernberg Ag | Bending tool for bending deformable workpieces, such as metal sheets and the like |
| CN203495025U (en) * | 2013-10-10 | 2014-03-26 | 无锡威唐金属科技有限公司 | Rotary bending mould |
| CN203830547U (en) * | 2014-03-07 | 2014-09-17 | 深圳市金洲精工科技股份有限公司 | Trimming and notching combined die |
| CN105772575A (en) * | 2014-12-26 | 2016-07-20 | 中核建中核燃料元件有限公司 | Side stamping device for outer band of positioning grid |
| CN105772568B (en) * | 2014-12-26 | 2017-11-28 | 中核建中核燃料元件有限公司 | A kind of outer band forming method of TVS 2M grid spacers |
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2018
- 2018-12-29 CN CN201811631566.9A patent/CN109500253A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3705512A (en) * | 1970-01-28 | 1972-12-12 | Maschf Augsburg Nuernberg Ag | Bending tool for bending deformable workpieces, such as metal sheets and the like |
| CN203495025U (en) * | 2013-10-10 | 2014-03-26 | 无锡威唐金属科技有限公司 | Rotary bending mould |
| CN203830547U (en) * | 2014-03-07 | 2014-09-17 | 深圳市金洲精工科技股份有限公司 | Trimming and notching combined die |
| CN105772575A (en) * | 2014-12-26 | 2016-07-20 | 中核建中核燃料元件有限公司 | Side stamping device for outer band of positioning grid |
| CN105772568B (en) * | 2014-12-26 | 2017-11-28 | 中核建中核燃料元件有限公司 | A kind of outer band forming method of TVS 2M grid spacers |
Non-Patent Citations (1)
| Title |
|---|
| 刘雪: "环形燃料组件定位格架外条带及栅元模具设计与工艺开发", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059063A (en) * | 2021-04-22 | 2021-07-02 | 宁波康迪普瑞模具技术有限公司 | Mold design method and processing method of grid straps |
| CN117505674A (en) * | 2024-01-05 | 2024-02-06 | 广州坤江汽车配件工业制造有限公司 | Stamping die capable of rapidly positioning and automatically returning materials |
| CN117505674B (en) * | 2024-01-05 | 2024-04-30 | 广州坤江汽车配件工业制造有限公司 | Stamping die capable of rapidly positioning and automatically returning materials |
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Application publication date: 20190322 |