CN106273678A - A kind of large radius end plane angle is the neutron-absorbing laminate processing technology of 135 degree - Google Patents

A kind of large radius end plane angle is the neutron-absorbing laminate processing technology of 135 degree Download PDF

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Publication number
CN106273678A
CN106273678A CN201610897252.8A CN201610897252A CN106273678A CN 106273678 A CN106273678 A CN 106273678A CN 201610897252 A CN201610897252 A CN 201610897252A CN 106273678 A CN106273678 A CN 106273678A
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lower mold
aluminium sheet
plate
bending
molding
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CN106273678B (en
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何伟锋
李荣泳
邹建军
孙振忠
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Dongguan University of Technology
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Dongguan University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00Layered products having a general shape other than plane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/16Layered products comprising a layer of metal next to a particulate layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284Application of adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/0012Mechanical treatment, e.g. roughening, deforming, stretching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F1/00Shielding characterised by the composition of the materials
    • G21F1/12Laminated shielding materials
    • G21F1/125Laminated shielding materials comprising metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10Inorganic particles

Abstract

The invention discloses the neutron-absorbing laminate processing technology that a kind of large radius end plane angle is 135 degree, it comprises the following steps that: a, cutting aluminium sheet;B, the filler contact surface of polishing aluminium sheet;C, aluminium sheet Bending Processing;D, preparation absorption laminated molding jig;E, absorption laminated molding jig is installed on 80T four-column hydraulic press;F, ethanol cleaning process;G, the arc forming surface of shaping upper uniformly attach Teflon protecting film;H, coating vaseline;I, aluminium sheet is positioned in lower mold forming tank, brush coating water the most again;J, boron carbide filler is put into lower mold forming tank, then carry out precompressed by stainless steel drum;K, matched moulds pressurize;L, static solidification;M, the demoulding also complete neutron-absorbing laminate and prepare.Being designed by above-mentioned processing step, the present invention production can prepare the neutron-absorbing laminate of circular shape effectively, i.e. can be effectively adapted to the production and processing of large radius neutron-absorbing device.

Description

A kind of large radius end plane angle is the neutron-absorbing laminate processing technology of 135 degree
Technical field
The present invention relates to neutron-absorbing device technique field, particularly relating to a kind of large radius end plane angle is in 135 degree Son absorbs laminate processing technology.
Background technology
In nuclear device, in order to prevent radioprotective, carry out shielding protection frequently with nuclear material and technology;At present frequently with Neutron absorber material be lead-boron polythene, boracic polypropylene, its advantage is that shielding construction is simple, shield is lightweight, volume Little;But, lead-boron polythene is the most aging, and the life-span is short, which limits its application;Cadmium plate also can be used as neutron absorber material, but Cadmium is poisonous, carcinogenic;Boron steel also can be used as neutron absorber material, but boron steel boron content is the lowest, is difficult to meet shielding needs.
Need to be explained further, boron carbide has higher neutron absorption capability, and its thermal-neutron capture cross-section is high, capture spectra Width, does not produce radiosiotope, and Secondary radiation energy is low, and corrosion-resistant, Heat stability is good, often at nuclear power station exterior wall carbon Changing the mosaic dress patch of boron sintering, play the effect of absorption neutron, but boron carbide poor toughness, fragility is big, it is difficult to make structure function The neutron absorber material of integration.
Metallic aluminium has preferable toughness, material is light, ductile, corrosion-resistant, plasticity strong, makes of metal aluminum or aluminum alloy Carrier, makees neutron absorber with boron carbide, makes Metal Substrate neutron absorber material, can improve toughness of material, ensure that tool There is neutron-absorbing performance.
It should further be noted that for large radius neutron-absorbing device, boron carbide material need to ensure that circular arc extends, and Large radius neutron-absorbing device is typically put together by the neutron-absorbing laminate of multiple circular shapes.But, in the prior art, The technique that shortage prepares the neutron-absorbing laminate of circular shape.
Summary of the invention
Present invention aims to prior art and providing a kind of large radius end plane angle to deficiency is in 135 degree Son absorbs laminate processing technology, and this large radius end plane angle is that the neutron-absorbing laminate processing technology of 135 degree can be given birth to effectively Product prepares the neutron-absorbing laminate of circular shape, i.e. can be effectively adapted to the production and processing of large radius neutron-absorbing device.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions.
A kind of large radius end plane angle is the neutron-absorbing laminate processing technology of 135 degree, includes following processing step, tool Body is:
A, choose aluminium sheet that thickness is 1mm and aluminium sheet is fed through plate shearing machine is cut out sawing sheet, through the aluminum that plate shearing machine cuts The rectangular shape of plate;
B, filler contact surface by the wheel sander aluminium sheet to cutting carry out polishing processing so that the filler of aluminium sheet connects Contacting surface becomes coarse, and the roughness of the filler contact surface after polishing is 12.5 μm Ra;
C, the aluminium sheet after polishing is fed through in numerical control bender and carries out bending process, after numerical control bender bending processes Aluminium sheet include in circular arc the arcuate base of bending, the left end edge part of arcuate base, right-hand member edge part are bent into respectively Type has the bending edges edge of the filler contact surface side bending towards aluminium sheet, the bending edges edge of arcuate base left end edge part and arc The bending edge edge of base right end edge edge is arranged symmetrically with, and each bending edges edge includes the first bending section, the second bending respectively Section, each first bending section is connected with arcuate base respectively and the tangent line angle of each first bending section is respectively 135 degree, each second folding Curved segment is respectively arranged at the terminal edge and the first of the most corresponding side of each second bending section of the first bending section of corresponding side Bending section is towards inner bending;
D, preparation absorption laminated molding jig, wherein, absorption laminated molding jig includes molding lower mold, is installed in molding lower mold upper end The upper die component of side, upper die component is included upper bolster, is loaded by lock screw spiral shell in the molding being fixed in upper bolster lower surface Mould, the centre position of molding lower mold offer upwardly opening and front and back completely through lower mold forming tank, the end of lower mold forming tank Face is the arc binding face that the arcuate base of aluminium sheet after processing with bending fits, and the upper surface of molding lower mold is in lower mold The left end side of forming tank, right-hand member side are screwed with a formed clamp plate by lock screw respectively, and each formed clamp plate is respectively provided with useful The bending section binding face that first bending section (121) of the aluminium sheet after processing with bending fits, shaping upper is intercalated in two Between formed clamp plate, the lower surface of shaping upper is the arc forming surface in circular arc camber shape, and shaping upper is in arc forming surface Left end edge, right-hand member edge offer the upper mold avoiding hollow groove of the second bending section dodging aluminium sheet when matched moulds respectively;Molding The front end face of lower mold is screwed with the front side location-plate of front opening for stopping lower mold forming tank by lock screw, under molding The rear end face of mould is screwed with the rear side location-plate of open rearward end for stopping lower mold forming tank by lock screw, and front side positions It is arranged symmetrically with before and after plate and rear side location-plate and the upper surface of the upper surface of front side location-plate, rear side location-plate is respectively in circular arc Curved and the arc locating surface towards lower recess;
E, absorption laminated molding jig being installed on 80T four-column hydraulic press, wherein, upper bolster is anchored on 80T tetra-by clamping cap The slide block of column hydraulic machine, molding lower mold is anchored on the workbench of 80T four-column hydraulic press by clamping cap;
F, startup 80T four-column hydraulic press also make upper die component separate with molding lower mold, are taken under ethanol erasing by the non-woven fabrics libation at an ancient wedding ceremony Mold forming rooved face, front side location-plate inner surface, rear side location-plate inner surface, the arc forming surface of shaping upper and each molding The bending section binding face of pressing plate, to realize being cleaned absorption laminated molding jig processing;
G, until ethanol cleaning be disposed after, the arc forming surface in shaping upper uniformly attaches the Teflon that thickness is 0.2mm Protecting film;
H, treat that Teflon protecting film attaches after, in the lower surface of Teflon protecting film, the inner surface of front side location-plate, rear side The inner surface of location-plate and the bending section binding face of each formed clamp plate uniform coating thickness respectively is the vaseline of 0.2mm;
I, treat vaseline coating after, the aluminium sheet of bending and molding is positioned in the lower mold forming tank of molding lower mold, then By hairbrush, glue is evenly applied to the filler contact surface of aluminium sheet;
J, treat aluminium sheet coating glue after, by ferrum spoon, boron carbide filler put into the lower mold forming tank to molding lower mold, Boron carbide filler is filled in the upper end side of aluminium sheet and boron carbide filler only contacts with the filler contact surface of aluminium sheet, boron carbide filler After filling, by stainless steel drum that external diameter value is 30mm along front side location-plate, the arc locating surface of rear side location-plate Reciprocating rolling, to realize processing boron carbide filler precompressed;
K, treat boron carbide filler load after, cleaned out by non-woven fabrics and fall within formed clamp plate upper surface, front side location-plate The boron carbide filler of the second bending section upper surface of surface, rear side location-plate upper surface and aluminium sheet, then starts 80T tetra-post liquid Press also makes upper die component and molding lower mold carry out matched moulds, and wherein, the pressure of 80T four-column hydraulic press is set as 10T, and matched moulds is complete Cheng Hou, boron carbide filler and aluminium sheet are pressed between shaping upper and molding lower mold, when the force value of 80T four-column hydraulic press reaches After 10T, 80T four-column hydraulic press proceeds by pressurize and the pressurize persistent period is 6 hours;
L, after 80T four-column hydraulic press pressurize completes, 80T four-column hydraulic press pressure release and keep matched moulds state, boron carbide filler is again Static solidification 24 hours;
M, after static state solidify, start 80T four-column hydraulic press and also make upper die component disengage with molding lower mold, to realize taking off Mould action, after the demoulding completes, by pneumatic impact spanner by fastening formed clamp plate, front side location-plate, the lock screw of rear side location-plate Dismantle, then take out in the lower mold forming tank of molding lower mold and be pressed in neutron absorbing layer together by aluminium sheet, boron carbide filler Plate.
Wherein, the density of the boron carbide filler in described neutron-absorbing laminate is 2000kg/m3
Wherein, described formed clamp plate is equiped with in the guide pillar being vertically arranged, and the upper end of guide pillar extends to formed clamp plate Upper end side, described upper bolster correspondence guide pillar is equiped with guide pin bushing.
The invention have the benefit that the neutron absorbing layer that a kind of large radius end plane angle of the present invention is 135 degree Plate processing technology, it comprises the following steps that: a, cutting aluminium sheet;B, the filler contact surface of polishing aluminium sheet;C, aluminium sheet bending add Work, the aluminium sheet after bending processes includes arcuate base, bending and molding bending edge respectively, the left and right end margin portion of arcuate base Portion, each bending edges edge includes first and second bending section respectively;D, preparation absorption laminated molding jig;E, by absorption laminated molding jig It is installed on 80T four-column hydraulic press;F, ethanol cleaning process;G, the arc forming surface of shaping upper uniformly attach Teflon protection Film;H, coating vaseline;I, aluminium sheet is positioned in lower mold forming tank, brush coating water the most again;J, boron carbide filler is put into In lower mold forming tank, then carry out precompressed by stainless steel drum;K, matched moulds pressurize;L, static solidification;M, the demoulding also complete Son absorbs laminate to be prepared.Designed by above-mentioned processing step, the present invention can effectively production prepare circular shape neutron inhale Receive laminate, i.e. can be effectively adapted to the production and processing of large radius neutron-absorbing device.
Accompanying drawing explanation
Below with accompanying drawing, the present invention is further detailed, but the embodiment in accompanying drawing is not constituted this Bright any restriction.
Fig. 1 is the structural representation of absorption laminated molding jig.
Fig. 2 is the decomposing schematic representation of absorption laminated molding jig.
Fig. 3 is the generalized section of absorption laminated molding jig.
Fig. 4 is the enlarged diagram of " A " position shown in Fig. 3.
Fig. 5 is the close-up schematic view of the aluminium sheet that bending processes.
Fig. 1 to Fig. 5 includes:
1 aluminium sheet 11 arcuate base
12 bending edges edge 121 first bending sections
122 second bending section 2 absorption laminated molding jigs
21 molding lower mold 211 lower mold forming tank
2111 arc binding face 212 formed clamp plates
2121 bending section binding face 22 upper die components
221 upper bolster 222 shaping uppers
2221 arc forming surface 2222 upper mold avoiding hollow grooves
Location-plate on rear side of location-plate 232 on front side of in the of 231
233 arc locating surface 3 boron carbide fillers.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be described.
As shown in Figures 1 to 5, a kind of large radius end plane angle is the neutron-absorbing laminate processing technology of 135 degree, includes Following processing step, particularly as follows:
A, choose aluminium sheet 1 that thickness is 1mm and aluminium sheet 1 is fed through plate shearing machine is cut out sawing sheet, cutting through plate shearing machine The rectangular shape of aluminium sheet 1;
B, filler contact surface by the wheel sander aluminium sheet 1 to cutting carry out polishing processing so that the filler of aluminium sheet 1 Contact surface becomes coarse, and the roughness of the filler contact surface after polishing is 12.5 μm Ra;
C, the aluminium sheet 1 after polishing is fed through in numerical control bender and carries out bending process, process through numerical control bender bending After aluminium sheet 1 include in circular arc the arcuate base 11 of bending, the left end edge part of arcuate base 11, right-hand member edge part are respectively Bending and molding has the bending edges edge 12 of the filler contact surface side bending towards aluminium sheet 1, the bending of arcuate base 11 left end edge part Edge part 12 is arranged symmetrically with the bending edge edge of arcuate base 11 right-hand member edge part, and each bending edges edge 12 includes respectively One bending section the 121, second bending section 122, each first bending section 121 is connected with arcuate base 11 and each first bending section respectively The tangent line angle of 121 is respectively 135 degree, and each second bending section 122 is respectively arranged at the end of the first bending section 121 of corresponding side First bending section 121 of edge and the most corresponding side of each second bending section 122 is towards inner bending;
D, preparation absorption laminated molding jig 2, wherein, absorption laminated molding jig 2 includes molding lower mold 21, is installed in molding lower mold The upper die component 22 of 21 upper end side, upper die component 22 is included upper bolster 221, is loaded by lock screw spiral shell and be fixed in upper bolster The shaping upper 222 of 221 lower surfaces, the centre position of molding lower mold 21 offer upwardly opening and front and back completely through lower mold Forming tank 211, the bottom surface of lower mold forming tank 211 is the arc that the arcuate base 11 of aluminium sheet 1 after processing with bending fits Shape binding face 2111, the upper surface of molding lower mold 21 passes through lock screw respectively in left end side, the right-hand member side of lower mold forming tank 211 Being screwed with a formed clamp plate 212, each formed clamp plate 212 is separately provided for the first bending of the aluminium sheet 1 after processing with bending The bending section binding face 2121 that section 121 fits, shaping upper 222 is intercalated between two formed clamp plates, shaping upper 222 Lower surface is the arc forming surface 2221 in circular arc camber shape, and shaping upper 222 is in the left end edge of arc forming surface 2221, the right side End margin offers the upper mold avoiding hollow groove 2222 of the second bending section 122 dodging aluminium sheet 1 when matched moulds respectively;Molding lower mold 21 Front end face be screwed with the front side location-plate 231 of front opening for stopping lower mold forming tank 211, molding by lock screw The rear end face of lower mold 21 is screwed with the rear side location-plate of open rearward end for stopping lower mold forming tank 211 by lock screw 232, it is arranged symmetrically with and the upper surface of front side location-plate 231, rear side location before and after front side location-plate 231 and rear side location-plate 232 The upper surface of plate 232 is respectively in circular arc camber shape and towards the arc locating surface 233 of lower recess;
E, absorption laminated molding jig 2 being installed on 80T four-column hydraulic press, wherein, upper bolster 221 is anchored on by clamping cap The slide block of 80T four-column hydraulic press, molding lower mold 21 is anchored on the workbench of 80T four-column hydraulic press by clamping cap;
F, startup 80T four-column hydraulic press also make upper die component 22 separate with molding lower mold 21, take wipes of alcohol by the non-woven fabrics libation at an ancient wedding ceremony It is coated with lower mold forming tank 211 surface, front side location-plate 231 inner surface, rear side location-plate 232 inner surface, the arc of shaping upper 222 The bending section binding face 2121 of forming surface 2221 and each formed clamp plate 212, to realize being cleaned absorption laminated molding jig 2 Process;
G, until ethanol cleaning be disposed after, it is 0.2mm's that the arc forming surface 2221 in shaping upper 222 uniformly attaches thickness Teflon protecting film;
H, treat that Teflon protecting film attaches after, in the lower surface of Teflon protecting film, the inner surface of front side location-plate 231, The rear side inner surface of location-plate 232 and the most uniform coating thickness of bending section binding face 2121 of each formed clamp plate 212 are The vaseline of 0.2mm;
I, treat vaseline coating after, the aluminium sheet 1 of bending and molding is positioned over the lower mold forming tank 211 of molding lower mold 21 In, then by hairbrush, glue is evenly applied to the filler contact surface of aluminium sheet 1;
J, treat that aluminium sheet 1 coats glue after, by ferrum spoon, boron carbide filler 3 put into the lower mold forming tank to molding lower mold 21 In 211, boron carbide filler 3 is filled in the upper end side of aluminium sheet 1 and boron carbide filler 3 only contacts with the filler contact surface of aluminium sheet 1, After boron carbide filler 3 loads, positioned along front side location-plate 231, rear side by the stainless steel drum that external diameter value is 30mm Arc locating surface 233 reciprocating rolling of plate 232, to realize processing boron carbide filler 3 precompressed;
K, treat boron carbide filler 3 load after, cleaned out by non-woven fabrics fall within formed clamp plate 212 upper surface, front side location The boron carbide filler 3 of the second bending section 122 upper surface of plate 231 upper surface, rear side location-plate 232 upper surface and aluminium sheet 1, and Rear startup 80T four-column hydraulic press also makes upper die component 22 and molding lower mold 21 carry out matched moulds, wherein, 80T four-column hydraulic press Pressure is set as 10T, after matched moulds completes, boron carbide filler 3 and aluminium sheet 1 be pressed in shaping upper 222 and molding lower mold 21 it Between, after the force value of 80T four-column hydraulic press reaches 10T, 80T four-column hydraulic press proceeds by pressurize and the pressurize persistent period is 6 hours;
L, after 80T four-column hydraulic press pressurize completes, 80T four-column hydraulic press pressure release and keep matched moulds state, boron carbide filler 3 is again Static solidification 24 hours;
M, after static state solidify, startup 80T four-column hydraulic press also makes upper die component 22 disengage with molding lower mold 21, with reality Existing stripping action, after the demoulding completes, will fastening formed clamp plate 212, front side location-plate 231, rear side location-plate by pneumatic impact spanner The lock screw of 232 is dismantled, and then takes out in the lower mold forming tank 211 of molding lower mold 21 and is pressed by aluminium sheet 1, boron carbide filler 3 Tight in neutron-absorbing laminate together;Wherein, the density of the boron carbide filler 3 in sub-absorption laminate is 2000kg/m3
Wherein, for ease of guide-localization when matched moulds, die sinking, the absorption laminated molding jig 2 of the present invention is equiped with following guiding Structure, particularly as follows: formed clamp plate 212 is equiped with in the guide pillar being vertically arranged, the upper end of guide pillar extends to formed clamp plate 212 Upper end side, the corresponding guide pillar of upper bolster 221 is equiped with guide pin bushing.
It should further be noted that for step b, by the filler contact surface of aluminium sheet 1 being carried out processed of polishing, this Sample can strengthen the filler contact surface of aluminium sheet 1 and the cohesive force of boron carbide filler 3 effectively.For step g, Teflon is protected Cuticula has the strongest wearability and non-stick, its can be effectively prevented boron carbide filler 3 compressing after and shaping upper 222 bond together.For step h, vaseline can increase greasy property, and then facilitates the neutron-absorbing laminate demoulding. For step i, glue can strengthen the cementability of aluminium sheet 1 and boron carbide filler 3 effectively.
Summary situation understands, and is designed by above-mentioned processing step, and the present invention can produce preparation circular arc effectively The neutron-absorbing laminate of shape, i.e. can be effectively adapted to the production and processing of large radius neutron-absorbing device.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's Thought, the most all will change, and this specification content should not be construed as the present invention Restriction.

Claims (3)

1. a large radius end plane angle is the neutron-absorbing laminate processing technology of 135 degree, it is characterised in that include following work Skill step, particularly as follows:
A, choose aluminium sheet (1) that thickness is 1mm and aluminium sheet (1) is fed through plate shearing machine is cut out sawing sheet, through plate shearing machine cutting Good aluminium sheet (1) rectangular shape;
B, filler contact surface by the wheel sander aluminium sheet (1) to cutting carry out polishing processing so that aluminium sheet (1) Filler contact surface becomes coarse, and the roughness of the filler contact surface after polishing is 12.5 μm Ra;
C, the aluminium sheet (1) after polishing is fed through in numerical control bender and carries out bending process, through numerical control bender bending part Aluminium sheet (1) after reason includes the arcuate base (11) of bending, the left end edge part of arcuate base (11), right-hand member limit in circular arc Edge bending and molding respectively has the bending edges edge (12) of the filler contact surface side bending towards aluminium sheet (1), and arcuate base (11) is left The bending edges edge (12) of end edge edge is arranged symmetrically with the bending edge edge of arcuate base (11) right-hand member edge part, each bending edges Edge (12) includes the first bending section (121), the second bending section (122) respectively, each first bending section (121) respectively with arc Base portion (11) connects and the tangent line angle of each first bending section (121) is respectively 135 degree, and each second bending section (122) sets respectively It is placed in the terminal edge and the first of the most corresponding side of each second bending section (122) of first bending section (121) of corresponding side Bending section (121) is towards inner bending;
D, preparation absorption laminated molding jig (2), wherein, absorption laminated molding jig (2) includes molding lower mold (21), is installed in into The upper die component (22) of type lower mold (21) upper end side, upper die component (22) is included upper bolster (221), is filled by lock screw spiral shell Be anchored on the shaping upper (222) of upper bolster (221) lower surface, the centre position of molding lower mold (21) offer upwardly opening and Front and back completely through lower mold forming tank (211), the bottom surface of lower mold forming tank (211) be for bending process after aluminium sheet (1) the arc binding face (2111) that arcuate base (11) fits, the upper surface of molding lower mold (21) is in lower mold forming tank (211) left end side, right-hand member side are screwed with a formed clamp plate (212) by lock screw respectively, and each formed clamp plate (212) is respectively It is provided with the bending section binding face (2121) that first bending section (121) of the aluminium sheet (1) after processing with bending fits, becomes Type upper mold (222) is intercalated between two formed clamp plates, and the lower surface of shaping upper (222) is that the arc in circular arc camber shape is formed Profile (2221), shaping upper (222) offers for closing respectively in the left end edge of arc forming surface (2221), right-hand member edge The upper mold avoiding hollow groove (2222) of second bending section (122) of aluminium sheet (1) is dodged during mould;The front end face of molding lower mold (21) is by lock Tight screw is screwed with the front side location-plate (231) of the front opening for stopping lower mold forming tank (211), molding lower mold (21) Rear end face is screwed with the rear side location-plate (232) of open rearward end for stopping lower mold forming tank (211) by lock screw, front It is arranged symmetrically with and the upper surface of front side location-plate (231), rear side location before and after side location-plate (231) and rear side location-plate (232) The upper surface of plate (232) is respectively in circular arc camber shape and towards the arc locating surface (233) of lower recess;
E, absorption laminated molding jig (2) being installed on 80T four-column hydraulic press, wherein, upper bolster (221) is fastened by clamping cap In the slide block of 80T four-column hydraulic press, molding lower mold (21) is anchored on the workbench of 80T four-column hydraulic press by clamping cap;
F, startup 80T four-column hydraulic press also make upper die component (22) separate with molding lower mold (21), take wine by the non-woven fabrics libation at an ancient wedding ceremony In essence erasing lower mold forming tank (211) surface, front side location-plate (231) inner surface, rear side location-plate (232) inner surface, molding The arc forming surface (2221) of mould (222) and the bending section binding face (2121) of each formed clamp plate (212), to realize absorption Laminate molding tool (2) is cleaned processing;
G, after ethanol cleaning is disposed, the arc forming surface (2221) in shaping upper (222) uniformly attaches thickness and is The Teflon protecting film of 0.2mm;
H, treat Teflon protecting film attach after, in lower surface, the interior table of front side location-plate (231) of Teflon protecting film The most uniformly coating of the bending section binding face (2121) of face, the inner surface of rear side location-plate (232) and each formed clamp plate (212) Thickness is the vaseline of 0.2mm;
I, treat vaseline coating after, the aluminium sheet (1) of bending and molding is positioned over the lower mold forming tank of molding lower mold (21) (211), in, then by hairbrush, glue is evenly applied to the filler contact surface of aluminium sheet (1);
J, treat aluminium sheet (1) coating glue after, by ferrum spoon, boron carbide filler (3) is put into the lower mold to molding lower mold (21) In forming tank (211), boron carbide filler (3) be filled in the upper end side of aluminium sheet (1) and boron carbide filler (3) only with aluminium sheet (1) Filler contact surface contacts, after boron carbide filler (3) loads, by stainless steel drum that external diameter value is 30mm along front side Location-plate (231), arc locating surface (233) reciprocating rolling of rear side location-plate (232), pre-to realize boron carbide filler (3) Pressure processes;
K, treat boron carbide filler (3) load after, cleaned out by non-woven fabrics and fall within formed clamp plate (212) upper surface, front side The carbon of the second bending section (122) upper surface of location-plate (231) upper surface, rear side location-plate (232) upper surface and aluminium sheet (1) Change boron filler (3), then start 80T four-column hydraulic press and make upper die component (22) and molding lower mold (21) carry out matched moulds, its In, the pressure of 80T four-column hydraulic press is set as 10T, and after matched moulds completes, boron carbide filler (3) and aluminium sheet (1) are pressed in molding Between upper mold (222) and molding lower mold (21), after the force value of 80T four-column hydraulic press reaches 10T, 80T four-column hydraulic press is opened Begin to carry out pressurize and the pressurize persistent period is 6 hours;
L, after 80T four-column hydraulic press pressurize completes, 80T four-column hydraulic press pressure release and keep matched moulds state, boron carbide filler (3) Static solidification 24 hours again;
M, after static state solidify, start 80T four-column hydraulic press and also make upper die component (22) and molding lower mold (21) disengagement, To realize stripping action, after the demoulding completes, by pneumatic impact spanner will fastening formed clamp plate (212), front side location-plate (231), after The lock screw of side location-plate (232) is dismantled, and then takes out by aluminium sheet in the lower mold forming tank (211) of molding lower mold (21) (1), boron carbide filler (3) is pressed in neutron-absorbing laminate together.
A kind of large radius end plane angle the most according to claim 1 is the neutron-absorbing laminate processing technology of 135 degree, and it is special Levy and be: the density of the boron carbide filler (3) in described neutron-absorbing laminate is 2000kg/m3
A kind of large radius end plane angle the most according to claim 2 is the neutron-absorbing laminate processing technology of 135 degree, and it is special Levy and be: described formed clamp plate (212) is equiped with in the guide pillar being vertically arranged, and the upper end of guide pillar extends to formed clamp plate (212) upper end side, the corresponding guide pillar of described upper bolster (221) is equiped with guide pin bushing.
CN201610897252.8A 2016-10-14 2016-10-14 A kind of large radius end plane angle is 135 degree of neutron-absorbing laminate manufacture craft Expired - Fee Related CN106273678B (en)

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Citations (3)

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Publication number Priority date Publication date Assignee Title
CN102982856A (en) * 2011-05-07 2013-03-20 Gip国际有限公司 Neutron absorbing composite for nuclear reactor applications
CN104310399A (en) * 2014-10-09 2015-01-28 东莞理工学院 Processing technology for boron carbide neutron absorber
CN106003373A (en) * 2016-06-02 2016-10-12 东莞理工学院 Forming mould for square-tube-shaped neutron absorbing layer and forming method for square-tube-shaped neutron absorbing layer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102982856A (en) * 2011-05-07 2013-03-20 Gip国际有限公司 Neutron absorbing composite for nuclear reactor applications
CN104310399A (en) * 2014-10-09 2015-01-28 东莞理工学院 Processing technology for boron carbide neutron absorber
CN106003373A (en) * 2016-06-02 2016-10-12 东莞理工学院 Forming mould for square-tube-shaped neutron absorbing layer and forming method for square-tube-shaped neutron absorbing layer

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H.S. CHEN: "《The design, microstructure and mechanical properties of B4C/6061Al neutron absorber composites fabricated by SPS》", 《MATERIALS AND DESIGN》 *

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