CN106825220B - Screen work band formation system and its moulding process in nuclear power generation device - Google Patents

Screen work band formation system and its moulding process in nuclear power generation device Download PDF

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Publication number
CN106825220B
CN106825220B CN201710266735.2A CN201710266735A CN106825220B CN 106825220 B CN106825220 B CN 106825220B CN 201710266735 A CN201710266735 A CN 201710266735A CN 106825220 B CN106825220 B CN 106825220B
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China
Prior art keywords
band
hole
positive
stamping die
reversed
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CN201710266735.2A
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Chinese (zh)
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CN106825220A (en
Inventor
王方华
龚树河
李洪刚
李建中
姚俊
郑轶雄
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Chengdu Tengda Mould Co., Ltd.
China North Nuclear Fuel Co Ltd
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Chengdu Tengda Mould Co Ltd
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Priority to CN201710266735.2A priority Critical patent/CN106825220B/en
Publication of CN106825220A publication Critical patent/CN106825220A/en
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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
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • 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
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003Positioning devices
    • 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
    • B21D43/00Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/02Advancing work in relation to the stroke of the die or tool
    • B21D43/04Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
    • B21D43/08Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
    • B21D43/09Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers by one or more pairs of rollers for feeding sheet or strip material

Abstract

The invention discloses screen work band formation systems in nuclear power generation device, correction machine including left and right directions setting and diel, the correction machine is arranged on matrix, guide rack is additionally provided on matrix, it is provided with detection device between correction machine and diel, the inlet of diel is provided with feed roller;The both sides of the guide rack are provided with limiting plate;Correction machine includes correction casing body, high-order corrector roll and low level corrector roll, and correction machine enclosure interior is arranged at intervals with high-order corrector roll and low level corrector roll, and the left and right sides in the upper surface of correction casing body is both provided with the adjustment disk for adjusting high-order corrector roll height;The both sides of the detection device are both provided with height sensors along its circumferential direction;The diel includes multigroup spaced positive stamping die and reversed stamping die.Also disclose the moulding process of screen work band formation system in nuclear power generation device.The beneficial effects of the invention are as follows:Residual stress distribution evenly, after molding deforms small.

Description

Screen work band formation system and its moulding process in nuclear power generation device
Technical field
The present invention relates to screen work band formation system and its moldings in technical field of mechanical processing, especially nuclear power generation device Technique.
Background technology
In nuclear power generation device during the machine-shaping of screen work band, current prototyping method, due to being very difficult to eliminate it In residual stress, and after machine-shaping, processing will produce residual stress again, so that screen work band after molding often goes out The case where now deforming, and be difficult to eliminate, thus everywhere under the qualification rate after processing, the raw material for producing cost are more, are produced into This height.It is a problem for the processing and forming of screen work band is current.The present invention propose in nuclear power generation device screen work band at Type system and its moulding process, it is practical, perfect and easily solve the above problem.
Invention content
It is an object of the invention to overcome the prior art, provide fill make residual stress distribution evenly, molding after Deform screen work band formation system and its moulding process in small nuclear power generation device.
The purpose of the present invention is achieved through the following technical solutions:Screen work band formation system in nuclear power generation device, including The correction machine of left and right directions setting and diel, the correction machine are arranged on matrix, and guide rack is additionally provided on matrix, It is provided with detection device between correction machine and diel, the inlet of diel is provided with feed roller;
The both sides of the guide rack are provided with limiting plate, and the width of the width between the limiting plate of both sides and screen work band It spends identical;
The correction machine includes correction casing body, high-order corrector roll and low level corrector roll, correction machine enclosure interior interval It is provided with high-order corrector roll and low level corrector roll, corrects and is provided with sliding slot A, the sliding slot of left and right sides on the left and right wall of machine enclosure interior Corresponding sliding shoe is placed in A, high-order corrector roll is arranged between the sliding shoe of the left and right sides, in correction casing body The left and right sides of upper surface be both provided with adjustment disk, the adjustment disk of the left and right sides is connected by threaded rod with corresponding sliding shoe;
Multiple height sensors are provided on the upside of the detection device;
The diel includes multigroup spaced positive stamping die and reversed stamping die, positive stamping die and anti- Include upper die holder and lower die holder to stamping die, punching press from top to bottom in positive stamping die is rushed from the bottom up in reversed stamping die Pressure;
Binder, resigning mechanism are additionally provided in the positive stamping die;
It is provided with liftout groove at left and right sides of the lower surface of the upper die holder of the reversed stamping die, is placed in liftout groove There is die pad, is connected by spring between the bottom and die pad of liftout groove.
The binder, resigning mechanism include stripper, support plate and left and right movable block A, in the lower die of positive stamping die The medium position of seat is provided with sliding slot B in left-right direction, and compatible left and right movable block A therewith, left and right activity are placed in sliding slot B Groove A and groove B are provided on block A in left-right direction, be provided with along the vertical direction on the lower die holder of positive stamping die hole A, hole B and Hole C, hole A, hole B and hole C are connected with sliding slot B, are placed with positive punch-pin in the A of hole, and the position of hole B and hole C are respectively at groove A It is corresponding with groove B;
It is provided with stripper fixed thereto at the upper surface of positive stamping die lower die holder, hole D, hole are provided on stripper It is placed with compatible positive cavity plate therewith in D, the support plate supported, left and right two are provided at left and right sides of positive cavity plate The support plate of side is located in hole B and hole C;
Positive stamping die upper die holder and lower die holder are in contact, and it is coaxial that the lower surface of positive stamping die is provided with hole E, hole E and hole D Line and size is identical, is also provided with above the E of hole and is attached thereto logical hole F, the diameter than hole E of hole F is small, in positive stamping die upper mold The medium position of seat is also provided with sliding slot C in left-right direction, and sliding slot C is connected to hole F, and a compatible left side therewith is provided in sliding slot C Right movable block B, is placed with up and down piece in the E of hole;
The left and right movable block A is connected with the output shaft of corresponding cylinder, the output shaft of left and right movable block B and corresponding cylinder It is connected.
It is provided with reversed cavity plate on the reversed stamping die upper die holder, liftout groove is opened on reversed cavity plate, reversed to rush Hole G is provided on pressing mold lower die holder along the vertical direction, counter punch is placed in the G of hole, at the middle position of reversed stamping die lower die holder Set and be also provided with sliding slot D in left-right direction, sliding slot D is connected to hole G, is placed with left and right movable block C in sliding slot D, left and right movable block C with The output shaft of corresponding cylinder is connected, the upper die holder in reversed stamping die and lower die holder phase separation.
Be placed with band between the positive punch-pin and positive cavity plate of the forward direction stamping die, in non-punching press, band with just In being generally aligned in the same plane to the upper surface of stamping die upper die holder;It is placed between the reversed cavity plate and counter punch of reversed stamping die Band, in non-punching press, in the lower surface of band and reversed stamping die upper die holder is generally aligned in the same plane.
The front end of positive stamping die and reversed stamping die is provided with punching die and material guide mechanism in the diel, leads It is provided with guide column in material mechanism.
The moulding process of screen work band, step are in nuclear power generation device:
Unprocessed band is first placed in the base, is imported in correction machine by guide rack, pass through guide by S1, guide The position of limiting plate adjustment band in left and right directions in roller;
S2, smoothing, the band imported in correction machine pass through high-order corrector roll and low level corrector roll, rotate adjustment disk and pass through Threaded rod adjustment sliding shoe upper and lower position fully disappears so as to adjust the relative altitude between high-order corrector roll and low level corrector roll Band is smoothed except the residual force in band, then by high-order corrector roll and low level corrector roll;
S3, charging measure the height between band and height sensors by the height sensors in detection device, work as item When band and the height of height sensors are less than 200 ~ 300mm, feed roller is started to work, and band is clamped and is sent into stamping die by feed roller In tool, when feed roller is fed, band is squeezed into again horizontal;
S4, punching and feeding, after band enters in diel, punching die is punched out the both sides of band, is formed Feedhole, the guide column in material guide mechanism, which is inserted into feedhole, carries out step-by-step movement feeding, makes band to positive stamping die and anti- It is moved into stamping die;
S5, positive punching press carry out punching press, i.e., to band from top to bottom by positive stamping die:It is upper in positive stamping die When die holder is separated with lower die holder, left and right movable block A is driven to be displaced outwardly by cylinder, to make the support plate of left and right sides will be positive Cavity plate is propped up, and positive punch-pin is fallen in groove A, and band passes through between positive punch-pin and positive cavity plate, and cylinder drives a left side again Right movable block A with movement, makes the support plate of left and right sides fall to respectively in groove A and groove B, realizes the pressure to band inwards Tightly, the downward punching press of upper die holder in positive stamping die forms protrusion A, realizes to band to which strike is on positive cavity plate Positive punching press;
S6, reversed punching press, the upper die holder of reversed stamping die is motionless, and the left and right movable block C in reversed stamping die is in sliding slot D It is mobile, to push reversed protrusion to move up, punching press is carried out to band from the bottom up, protrusion B is formed, at this point, die pad quilt It is pressed into liftout groove, reversely when the downward return of protrusion, die pad bounces, and die pad jacks up band, is convenient for the movement of band.
All positive punching presses in the diel all carry out together, all reversed punching presses in diel All carry out together.
The present invention has the following advantages:(1)It can fully make the remnants before punching press by the levelling machine in the application Power become evenly, by positive punching press and reversed punching press come reduce punching belt come residual stress so that machine-shaping Screen work band residual stress afterwards is small, and final deformation of products is small, improves the qualification rate of product;(2)The setting of guide rack can adjust The setting of whole position with both sides, height sensors adjusts position of the band on feeding front-rear direction.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention;
Fig. 2 is correction owner's sectional view;
Fig. 3 is the left sectional view of correction machine;
Fig. 4 is the structural schematic diagram of guide rack;
Fig. 5 is the structural schematic diagram of detection device;
Fig. 6 is the structural schematic diagram that positive stamping die is stepped down;
Fig. 7 is the structural schematic diagram of positive punching press molding compound;
Fig. 8 is the structural schematic diagram of reversed stamping die;
Fig. 9 is the structural schematic diagram of sheet member;
Figure 10 is the left view of sheet member;
In figure, 1-correction machine, 2-diels, 3-guide racks, 4-detection devices, 5-feed rollers, 6-high-order schools Positive roller, 7-low level corrector rolls, 8-sliding slot A, 9-sliding shoes, 10-adjustment disks, 11-threaded rods, 12-height sensors, 13-positive stamping dies, 14-reversed stamping dies, 15-die pads, 16-springs, 17-strippers, 18-support plates, 19- Left and right movable block A, 20-sliding slot B, 21-groove A, 22-groove B, 23-positive punch-pin, 24-positive cavity plates, 25-is raised A, 26-protrusion B, 27-limiting plates, 28-feedholes, 29-sliding slot C, 30-left and right movable block B, 31-up and down pieces, 32-punching dies, 33-material guide mechanisms, 34-reversed cavity plates, 35-counter punches, 36-sliding slot D, 37-left and right movable blocks C。
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below:
As shown in Fig. 1 ~ Figure 10, screen work band formation system in nuclear power generation device includes the correction machine 1 of left and right directions setting With diel 2, the correction machine 1 setting is additionally provided with guide rack 3 on matrix, on matrix, in correction machine 1 and stamping die It is provided with detection device 4 between tool 2, the inlet of diel 2 is provided with feed roller 5;
The both sides of the guide rack 3 are provided with limiting plate 27, and the width between the limiting plate 27 of both sides and screen work item Band it is of same size;The correction machine 1 includes correction casing body, high-order corrector roll 6 and low level corrector roll 7, corrects casing body Inside is arranged at intervals with high-order corrector roll 6 and low level corrector roll 7, corrects and is provided with sliding slot A8 on the left and right wall of machine enclosure interior, Corresponding sliding shoe 9 is placed in the sliding slot A8 of left and right sides, the sliding shoe 9 in the left and right sides is arranged in high-order corrector roll 6 Between, the left and right sides in the upper surface of correction casing body is both provided with adjustment disk 10, and the adjustment disk 10 of the left and right sides passes through screw thread Bar 11 is connected with corresponding sliding shoe 9;The upside of the detection device 4 is provided with multiple height sensors 12;Described rushes Compression mould 2 includes multigroup spaced positive stamping die 13 and reversed stamping die 14, positive stamping die 13 and reversed stamping die 14 include upper die holder and lower die holder, punching press from top to bottom in positive stamping die 13, punching press from the bottom up in reversed stamping die 14; Binder, resigning mechanism are additionally provided in the positive stamping die 13;The lower surface of the upper die holder of the reversed stamping die 14 The left and right sides is provided with liftout groove, die pad 15 is placed in liftout groove, between the bottom and die pad 15 of liftout groove It is connected by spring 16.The setting of limiting plate 27 be in order to ensure band enter correction machine 1 before it is accurate in the position along both sides, Convenient for smoothing.The setting of high and low position is to fully make the remnants in band between high-order corrector roll 6 and low level corrector roll 7 Stress becomes evenly during alternating bending in the vertical direction, is to make the remnants in band answer per a pair of corrector roll Power becomes to be more uniformly distributed in the horizontal direction, and the setting of adjustment disk 10 is that the size of residual stress is remained according to different bands, right The position of high-order corrector roll 6 is adjusted, and so as to adjust the position relationship between high-order corrector roll 6 and low level corrector roll 7, makes The bending degree bigger of band is obtained, being more advantageous to makes residual stress become to be more uniformly distributed.
Further, the binder, resigning mechanism include stripper 17, support plate 18 and left and right movable block A19, just It is provided with sliding slot B20 in left-right direction to the medium position of the lower die holder of stamping die 13, is placed in sliding slot B20 compatible therewith It is provided with groove A21 and groove B22 in left-right direction on left and right movable block A19, left and right movable block A19, in positive stamping die 13 Hole A, hole B and hole C are provided on lower die holder along the vertical direction, hole A, hole B and hole C are connected with sliding slot B20, are placed in the A of hole The position of positive punch-pin 23, hole B and hole C are corresponding respectively at groove A21 and groove B22;In 13 lower die holder of positive stamping die Be provided with stripper 17 fixed thereto at upper surface, hole D be provided on stripper 17, be placed in the D of hole therewith it is compatible just To cavity plate 24, the left and right sides of positive cavity plate 24 is provided with the support plate 18 supported, and the support plate 18 of the left and right sides is distinguished In hole B and hole C;13 upper die holder of positive stamping die and lower die holder are in contact, and the lower surface of positive stamping die 13 is provided with hole E, Hole E is identical as hole D coaxial lines and size, is also provided with above the E of hole and is attached thereto logical hole F, the diameter than hole E of hole F is small, just It is also provided with sliding slot C29 in left-right direction to the medium position of 13 upper die holder of stamping die, sliding slot C29 is connected to hole F, in sliding slot C29 It is provided with compatible left and right movable block B30 therewith, up and down piece 31 is placed in the E of hole;The left and right movable block A19 It is connected with the output shaft of corresponding cylinder, left and right movable block B30 is connected with the output shaft of corresponding cylinder.Left and right movable block A19 and a left side The setting of right movable block B30 is in order to enable positive punch-pin 23 and positive cavity plate 24 can carry out punching press to band, and make just Can be the raised B26 resignings in band in time to cavity plate 24.
Further, it is provided with reversed cavity plate 34 on 14 upper die holder of reversed stamping die, liftout groove is opened in reversely On cavity plate 34, hole G is provided on 14 lower die holder of reversed stamping die along the vertical direction, counter punch 35 is placed in the G of hole, reversely rushed The medium position of 14 lower die holder of pressing mold is also provided with sliding slot D36 in left-right direction, and sliding slot D36 is connected to hole G, is placed in sliding slot D36 Have a left and right movable block C37, left and right movable block C37 is connected with the output shaft of corresponding cylinder, upper die holder in reversed stamping die 14 and Lower die holder is separated.The setting of the mutual motion block C37 in left and right is to realize the punching press of reversed stamping die 14, and wherein die pad 15 is set It is so that band is detached with reversed stamping die 14 in order to jack up band after the completion of punching press to set, consequently facilitating the transport of band, Raised A25 or protrusion B26 will not generate blocking to the transport of band.
In the present embodiment, it is placed with band between the positive punch-pin 23 and positive cavity plate 24 of the forward direction stamping die 13, When non-punching press, in the upper surface of band and positive 13 upper die holder of stamping die is generally aligned in the same plane;Reversely stamping die 13 is reversed recessed It is placed with band between mould 34 and counter punch 35, in non-punching press, the lower surface position of band and 14 upper die holder of reversed stamping die In in same plane.This mode is to ensure that band can be successfully transported in diel 2.
In the present embodiment, the front end of positive stamping die 13 and reversed stamping die 14 is provided with punching in the diel 2 Mold 32 and material guide mechanism 33 are provided with guide column on material guide mechanism 33.The setting of material guide mechanism 33 is to ensure band It can a step by a step be admitted in diel 2, ensure position of the band on carriage direction.
The moulding process of screen work band, step are in nuclear power generation device:
Unprocessed band is first placed in the base, is imported in correction machine 1 by guide rack 3, by leading by S1, guide Expect that the limiting plate 27 in roller 3 adjusts the position of band in left and right directions;
S2, smoothing, the band imported in correction machine 1 pass through high-order corrector roll 6 and low level corrector roll 7, rotate adjustment disk 10 And 9 upper and lower position of sliding shoe is adjusted by threaded rod 11, so as to adjust opposite between high-order corrector roll 6 and low level corrector roll 7 Highly, the residual force in band is fully eliminated, then band is smoothed by high-order corrector roll 6 and low level corrector roll 7;
S3, charging measure the height between band and height sensors 12 by the height sensors 12 in detection device 4 Degree, when the height of band and height sensors 12 is less than 200 ~ 300mm, feed roller 5 is started to work, and feed roller 5 presss from both sides band It is tight to be sent into diel 2, when feed roller 5 is fed, band is squeezed into again horizontal;
S4, punching and feeding, after band enters in diel 2, punching die 32 is punched out the both sides of band, shape At feedhole 28, the guide column in material guide mechanism 33, which is inserted into feedhole 28, carries out step-by-step movement feeding, and band is made to be rushed to forward direction It is moved in pressing mold 13 and reversed stamping die 14;
S5, positive punching press carry out punching press, i.e., to band from top to bottom by positive stamping die 13:In positive stamping die 13 Upper die holder when being separated with lower die holder, drive left and right movable block A19 to be displaced outwardly by cylinder, to make the support plate of left and right sides 18 prop up positive cavity plate 24, and positive punch-pin 23 is fallen in groove A21, and band is between positive punch-pin 23 and positive cavity plate 24 Pass through, cylinder drives left and right movable block A19 inwards with movement again, make the support plate 18 of left and right sides fall to respectively groove A21 and In groove B22, the compression to band is realized, the downward punching press of upper die holder in positive stamping die 13, to which strike is positive recessed On mould 24, protrusion A25 is formed, the positive punching press to band is realized;
S6, reversed punching press, the upper die holder of reversed stamping die 14 is motionless, and the left and right movable block C37 in reversed stamping die 13 exists It is moved in sliding slot D36, to push reversed protrusion 35 to move up, punching press is carried out to band from the bottom up, forms protrusion B26, At this point, die pad 15 is pressed into liftout groove, when 35 downward return of reversed protrusion, die pad 15 bounces, and die pad 15 is by item Band jacks up, and is convenient for the movement of band.
All positive punching presses in the diel 2 all carry out together, all reversed punchings in diel 2 Pressure all carries out together.When positive punching press and reversed punching press make band be stamped into shape in diel 2, two reversed It is repeatedly stamped, residual stress is more uniformly distributed, and is less prone to deformation, improves the quality of product, to improve product Qualification rate.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein Form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and can be at this In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention It is interior.

Claims (7)

1. screen work band formation system in nuclear power generation device includes the correction machine of left and right directions setting(1)And diel(2), It is characterized in that:The correction machine(1)It is arranged on matrix, guide rack is additionally provided on matrix(3), in correction machine(1)With Diel(2)Between be provided with detection device(4), in diel(2)Inlet be provided with feed roller(5);
The guide rack(3)Both sides be provided with limiting plate(27), and the limiting plate of both sides(27)Between width and screen work Band it is of same size;
The correction machine(1)Including correction casing body, high-order corrector roll(6)With low level corrector roll(7), correct machine enclosure interior It is arranged at intervals with high-order corrector roll(6)With low level corrector roll(7), correct and be provided with sliding slot A on the left and right wall of machine enclosure interior (8), the sliding slot A of left and right sides(8)In be placed with corresponding sliding shoe(9), high-order corrector roll(6)It is arranged in the left and right sides Sliding shoe(9)Between, the left and right sides in the upper surface of correction casing body is both provided with adjustment disk(10), the adjusting of the left and right sides Disk(10)Pass through threaded rod(11)With corresponding sliding shoe(9)It is connected;
The detection device(4)Upside be provided with multiple height sensors(12);
The diel(2)Including multigroup spaced positive stamping die(13)With reversed stamping die(14), forward direction punching Pressing mold(13)With reversed stamping die(14)Include upper die holder and lower die holder, positive stamping die(13)In punching press from top to bottom, instead To stamping die(14)In punching press from the bottom up;
The positive stamping die(13)In be additionally provided with binder, resigning mechanism;
The reversed stamping die(14)Upper die holder lower surface at left and right sides of be provided with liftout groove, placed in liftout groove There is die pad(15), the bottom of liftout groove and die pad(15)Between pass through spring(16)Connection.
2. screen work band formation system in nuclear power generation device according to claim 1, it is characterised in that:The binder, Resigning mechanism includes stripper(17), support plate(18)With left and right movable block A(19), in positive stamping die(13)Lower die holder Medium position is provided with sliding slot B in left-right direction(20), sliding slot B(20)In be placed with compatible left and right movable block A therewith(19), Left and right movable block A(19)On be provided with groove A in left-right direction(21)With groove B(22), in positive stamping die(13)Lower die holder On be provided with hole A, hole B and hole C along the vertical direction, hole A, hole B and hole C with sliding slot B(20)It is connected, forward direction is placed in the A of hole Punch-pin(23), the position of hole B and hole C are respectively at groove A(21)With groove B(22)It is corresponding;
In positive stamping die(13)Stripper fixed thereto is provided at the upper surface of lower die holder(17), stripper(17)On open There is hole D, compatible positive cavity plate therewith is placed in the D of hole(24), positive cavity plate(24)The left and right sides be provided with and propped up The support plate of support(18), the support plate of the left and right sides(18)It is located in hole B and hole C;
Positive stamping die(13)Upper die holder and lower die holder are in contact, positive stamping die(13)Lower surface be provided with hole E, hole E and hole D Coaxial line and size is identical, is also provided with above the E of hole and is attached thereto logical hole F, the diameter than hole E of hole F is small, in positive stamping die (13)The medium position of upper die holder is also provided with sliding slot C in left-right direction(29), sliding slot C(29)It is connected to hole F, sliding slot C(29)In It is provided with compatible left and right movable block B therewith(30), up and down piece is placed in the E of hole(31);
The left and right movable block A(19)It is connected with the output shaft of corresponding cylinder, left and right movable block B(30)It is defeated with corresponding cylinder Shaft is connected.
3. screen work band formation system in nuclear power generation device according to claim 2, it is characterised in that:The reversed punching press Mould(14)Reversed cavity plate is provided on upper die holder(34), liftout groove is opened in reversed cavity plate(34)On, reversed stamping die(14) Hole G is provided on lower die holder along the vertical direction, counter punch is placed in the G of hole(35), in reversed stamping die(14)In lower die holder Portion position is also provided with sliding slot D in left-right direction(36), sliding slot D(36)It is connected to hole G, sliding slot D(36)In be placed with left and right activity Block C(37), left and right movable block C(37)It is connected with the output shaft of corresponding cylinder, reversed stamping die(14)In upper die holder and lower die Seat phase separation.
4. screen work band formation system in nuclear power generation device according to claim 3, it is characterised in that:The forward direction punching press Mould(13)Positive punch-pin(23)With positive cavity plate(24)Between be placed with band, in non-punching press, band and positive stamping die (13)In the upper surface of upper die holder is generally aligned in the same plane;Reversed stamping die(13)Reversed cavity plate(34)And counter punch(35)It Between be placed with band, in non-punching press, band and reversed stamping die(14)In the lower surface of upper die holder is generally aligned in the same plane.
5. screen work band formation system in nuclear power generation device according to claim 4, it is characterised in that:The diel (2)Middle forward direction stamping die(13)With reversed stamping die(14)Front end be provided with punching die(32)And material guide mechanism(33), lead Expect mechanism(33)On be provided with guide column.
6. the moulding process of screen work band in nuclear power generation device, it is characterised in that:Step is:
Unprocessed band is first placed in the base, passes through guide rack by S1, guide(3)Import correction machine(1)In, by leading Expect roller(3)In limiting plate(27)Adjust the position of band in left and right directions;
S2, smoothing import correction machine(1)In band pass through high-order corrector roll(6)With low level corrector roll(7), rotate adjustment disk (10)And pass through threaded rod(11)Adjust sliding shoe(9)Upper and lower position, so as to adjust high-order corrector roll(6)With low level corrector roll (7)Between relative altitude, fully eliminate the residual force in band, then pass through high-order corrector roll(6)With low level corrector roll(7)It is right Band is smoothed;
S3, charging, pass through detection device(4)In height sensors(12)Measure band and height sensors(12)Between height Degree, when band and height sensors(12)Height be less than 200 ~ 300mm when, feed roller(5)It starts to work, feed roller(5)It will Band, which clamps, is sent into diel(2)In, in feed roller(5)When being fed, band is squeezed into again horizontal;
S4, punching and feeding, band enter diel(2)In after, punching die(32)The both sides of band are punched out, shape At feedhole(28), material guide mechanism(33)In guide column be inserted into feedhole(28)Middle progress step-by-step movement feeding, make band to Positive stamping die(13)With reversed stamping die(14)Middle movement;
S5, positive punching press, pass through positive stamping die(13)Punching press is carried out to band from top to bottom, i.e.,:Positive stamping die(13)In Upper die holder when being separated with lower die holder, pass through cylinder and drive left and right movable block A(19)It is displaced outwardly, to make the support of left and right sides Plate(18)By positive cavity plate(24)It props up, positive punch-pin(23)Fall to groove A(21)In, band is from positive punch-pin(23)Just To cavity plate(24)Between pass through, cylinder drives left and right movable block A again(19)Inwards with movement, make the support plate of left and right sides(18)Point Groove A is not fallen to(21)With groove B(22)In, realize the compression to band, positive stamping die(13)In upper die holder to Lower punching press, to which strike is in positive cavity plate(24)On, form protrusion A(25), realize the positive punching press to band;
S6, reversed punching press, reversed stamping die(14)Upper die holder it is motionless, reversed stamping die(13)In left and right movable block C(37) In sliding slot D(36)Middle movement, to push reversed protrusion(35)It moves up, punching press is carried out to band from the bottom up, formed convex Play B(26), at this point, die pad(15)It is pressed into liftout groove, reversed protrusion(35)When downward return, die pad(15)Bullet It rises, die pad(15)Band is jacked up, the movement of band is convenient for.
7. the moulding process of screen work band in nuclear power generation device according to claim 6, it is characterised in that:The punching press Mold(2)In all positive punching presses all carry out together, diel(2)In all reversed punching presses be all to carry out together 's.
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Address after: 6-2 Donghua Road, Chengdu Economic and Technological Development Zone (Longquanyi District), 610000 Sichuan Province

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