CN100585196C - truncated platform composite material member and metal member positioning adhesion process - Google Patents
truncated platform composite material member and metal member positioning adhesion process Download PDFInfo
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- CN100585196C CN100585196C CN200810226834A CN200810226834A CN100585196C CN 100585196 C CN100585196 C CN 100585196C CN 200810226834 A CN200810226834 A CN 200810226834A CN 200810226834 A CN200810226834 A CN 200810226834A CN 100585196 C CN100585196 C CN 100585196C
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Abstract
The invention relates to a positioning and bonding technology of a truncated-cone-shaped composite material part and a truncated cone-shaped metallic part. The technology comprises: the modification of a numerical control presser used for positioning and bonding, the manufacture of tooling for locking and positioning, trial assembly, glue application, official assembly, curing and the like. The technology adopts the specially designed tooling for locking and positioning and solves the technical problem of precise positioning in bonding process; the numerical presser is adopted to press assembly parts and as the axial force imposed by the numeric presser is even and stable, axial displacement generated during the traveling process of heat insulating sleeves of the assembly parts is prevented so as to guarantee the axial positioning and the consistency in axial degree of products after bonding; the technology adopts the numerical presser to press the assembly parts and has high precision in axial positioning, and the effective displacement quantity of the truncated-cone-shaped composite material part can be precisely controlled so as to guarantee that the square erection of the truncated cone-shaped composite material part can cross the distance up to the bottom of the truncated cone-shaped metallic part. The technology is used and promoted in practice, with a one-time bonding qualified rate up to over 99 percent, thereby greatly saving raw materials.
Description
Technical field
The present invention relates to a kind of composite material element of truncated cone shape and the metalwork positioning bonding process of truncated cone shape, belong to the bonding field of composite material and metallic material.
Background technique
Composite material has light weight, high temperature resistant, high heat, performances such as anti-ablation, and its load-bearing property adopts disposal integral molding usually not as metallic material, and generally thread mill drilling etc. does not connect and uses the hole; And the metallic material load-bearing property is good, can thread mill drilling, pin-and-hole etc., also can connect support, but metallic material is bigger than composite density mostly, matter heavy, and ablation resistance is poor, does not reach the high temperature of anti-several thousand degree of composite material.Therefore, for the premium properties with metal and composite material is attached to one, employing bonds together both becomes integral body, has the advantage of metal and composite material concurrently.
The bonding key technologies such as suit, location, pressurization, pressurize that relate to of circular cylinder composite material spare as shown in Figure 4 (being evenly distributed with four square protrusion on its male cone (strobilus masculinus)) and the truncated cone shape metalwork of smooth outer surface shown in Figure 5, require the upper edge of bonding back circular cylinder composite material spare square protrusion to be of a size of 688.4mm to the metalwork bottom, margin of error ± 0.4mm.If adopt the traditional-handwork pressuring method, can't measure the distance of the upper edge of square protrusion in the circular cylinder composite material spare traveling process to the metalwork bottom, can't effectively control the axial displacement of circular cylinder composite material spare; And manual compression is firmly unstable, circular cylinder composite material spare rocks in the cover process of assembling, circumferential setting circle bench-type composite material element, cause the product disalignment after bonding, bondline thickness is inhomogeneous, and the upper edge of circular cylinder composite material spare square protrusion exceeds specified scope to the distance of metalwork bottom.The bonding first-time qualification rate of traditional-handwork pressuring method only is 60%, because bonding used adhesive is a thermosetting resin, causes great waste.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, energy precision positioning in a kind of bonding process is provided, product coaxality unanimity after bonding, bondline thickness is even, and the upper edge of circular cylinder composite material spare square protrusion is to the satisfactory positioning bonding process of distance of metalwork bottom.
Technical solution of the present invention is: a kind of circular cylinder composite material spare metalwork positioning bonding process is characterized in that realizing through the following steps:
The first step is transformed the used numerical control press of positioning bonding,
The numerical control press comprises numerical control display screen, base, grating, column, pressing plate, and the numerical control display screen is connected by datawire with grating, and grating is installed on the column, and column is fixed on the base, mechanical connection between column and the pressing plate;
Second step, prepare circular cylinder composite material spare and truncated cone shape metalwork that positioning bonding is used,
I, II, four quadrant lines of III, IV are wherein arranged on the truncated cone shape metalwork upper surface, and circular cylinder composite material spare has an I quadrant line of drawing from internal surface, is evenly distributed with four square protrusion on its male cone (strobilus masculinus);
The 3rd step, make the locking and positioning frock according to the bottom size of truncated cone shape metalwork,
The locking and positioning frock comprises base, column, platen, locking nut, lifting spiral shell ear, pressure ring, and column is fixed on the mounting base, and with the platen mechanical connection, locking nut is installed on the column, lifting spiral shell ear is installed in platen, pressure ring and platen removably connect;
In the 4th step, the truncated cone shape metalwork is installed on the base of locking and positioning frock;
The 5th step was put into circular cylinder composite material spare on the truncated cone shape metalwork, and circular cylinder composite material spare quadrant line I aims at the location with truncated cone shape metalwork quadrant line I, tightens to the locking nut of locking and positioning frock;
The 6th step, lifting spiral shell ear by the locking and positioning frock hangs the described locking and positioning frock that circular cylinder composite material spare and truncated cone shape metalwork have been installed of the 5th step and tries cover on the numerical control press, process parameter when determining formal suit, i.e. the circular cylinder composite material spare position of grating record;
The 7th step, circular cylinder composite material spare is unloaded from the truncated cone shape metalwork, evenly be coated with one deck adhesive at the internal surface of circular cylinder composite material spare and the outer surface of truncated cone shape metalwork, the circular cylinder composite material spare behind the gluing was put on the truncated cone shape metalwork by the 5th step;
The 8th step, lifting spiral shell ear by the locking and positioning frock has describedly been installed the circular cylinder composite material spare of gluing and the locking and positioning frock of truncated cone shape metalwork is hung on the numerical control press with the 7th step, and the process parameter that the numerical control press was determined according to the 6th step carries out formal suit;
In the 9th step, the circular cylinder composite material spare that the lifting spiral shell ear by the locking and positioning frock installs the 8th step cover and the locking and positioning frock of truncated cone shape metalwork are hung heating cure in the curing oven.
Described the 6th step examination cover step,
A, the locking and positioning frock that circular cylinder composite material spare and truncated cone shape metalwork will be installed are put on the base of numerical control press;
The pressing plate of B, numerical control press is pressed on the pressure ring of locking and positioning frock;
C, the parameter of numerical control press when determining the examination cover, i.e. suit power σ and numerical control press speed γ,
Wherein σ gets 5～15Kn, and γ gets 0.4～0.5mm/min;
D, according to the parameter that this claim step C determines, the numerical control platen is advanced downwards, the pressure ring that compresses the locking and positioning frock drives circular cylinder composite material spare certain displacement amount of advancing together downwards;
The square protrusion upper edge of E, measurement circular cylinder composite material spare is to the distance of truncated cone shape metalwork bottom and the gap between circular cylinder composite material spare and the truncated cone shape metalwork;
After the square protrusion upper edge of circular cylinder composite material spare met the requirements to the distance of truncated cone shape metalwork bottom in F, the described step e to be measured, the grating of numerical control machine tool was noted circular cylinder composite material spare position, the process parameter during promptly formal suit.
Described formal suit step of the 7th step,
A, will be equipped with that the locking and positioning frock of circular cylinder composite material spare and truncated cone shape metalwork is put on the base of numerical control press behind the gluing;
The pressing plate of B, numerical control press is pressed on the pressure ring of locking and positioning frock;
C, according to formula σ=parameter of numerical control press when η γ determines formal suit,
Wherein η is the viscosity of adhesive, and γ gets 0.15～0.2mm/min;
D, the parameter of determining according to this claim step C, the numerical control platen is advanced downwards, and the pressure ring that compresses the locking and positioning frock drives circular cylinder composite material spare and advances downwards together, when waiting the position of grating record when advancing to examination overlaps, the numerical control press is out of service, and formal suit is finished.
The square protrusion upper edge of described circular cylinder composite material spare is 688.4mm to the distance of truncated cone shape metalwork bottom, margin of error ± 0.4mm.
Gap between described circular cylinder composite material spare and the truncated cone shape metalwork is not more than 0.8mm, twines the glass cloth adjusting play greater than 0.8mm on the truncated cone shape metalwork.
Gluing thickness is 0.1～0.5mm in described the 7th step.
Solidifying temperature is 60～70 ℃ in described the 9th step, and the time was not less than 3 hours.
The pressure ring of described locking and positioning frock is connected by annular slot with platen.
The pressing plate of described numerical control press passes through lead screw transmission.
Described the 7th step is blocked protection with the not frictioning position on circular cylinder composite material spare and the metalwork during gluing.
The present invention compared with prior art beneficial effect is:
(1) the present invention promotes the use of in practice, and once bonding up-to-standard rate can reach more than 99%, has greatly saved raw material;
(2) the present invention adopts special locking and positioning frock, has solved the technology difficult problem of the precision positioning in the bonding process;
(3) the present invention adopts the piece installing of numerical control press pressure cuffs, the axial force that the numerical control press applies evenly, stable, can prevent to overlap and produce circumferential displacement in the piece installing heat shroud traveling process, guarantee circumferential location, make the product coaxality unanimity after bonding;
(4) the present invention adopts numerical control press pressurization suit, and axially locating precision height can accurately be controlled effective displacement amount of circular cylinder composite material spare by computer, guarantees the distance of the square protrusion upper edge of circular cylinder composite material spare to truncated cone shape metalwork bottom.
Description of drawings
Accompanying drawing 1 is positioning bonding schematic flow sheet of the present invention;
Accompanying drawing 2 is numerical control press structure schematic representation of the present invention;
Accompanying drawing 3 is a locking and positioning frock schematic representation of the present invention;
Accompanying drawing 4 is a circular cylinder composite material spare structural representation of the present invention;
Accompanying drawing 5 is a truncated cone shape metalwork structural representation of the present invention.
Embodiment
The positioning bonding flow chart as shown in Figure 1.
One, transforms the numerical control press
The numerical control press comprises numerical control display screen 11, base 12, grating 13, column 14, pressing plate 15 as shown in Figure 2, numerical control display screen 11 and grating 13 are connected by datawire, grating 13 is installed on the column 14, and upright 14) be fixed on the base 12 mechanical connection between column 14 and the pressing plate 15.
Numerical control display screen 11 can show the displacement amount of suit power, composite material element automatically, and this is can't realize in the bonding process in the past.The pressing plate 15 of numerical control press is by lead screw transmission, and pressurization is applied to power on the composite material element of truncated cone shape.Machinery is firmly even, effective, controllability is strong, not influenced by personal factor, has guaranteed bonding quality.
Two, make positioning tool
The locking and positioning frock comprises base 31, column 32, platen 33, locking nut 34, lifting spiral shell ear 35, pressure ring 36 as shown in Figure 3, column 32 is fixed on the mounting base 31, and with platen 33 mechanical connections, locking nut 34 is installed on the column 32, lifting spiral shell ear 35 is installed in platen 33, and pressure ring 36 and platen 33 are connected by annular slot.
Three, examination cover
In a single day scraped glue at cover piece installing outer surface, the cover process of assembling will be irreversible.In order to guarantee to overlap packing quality, before the formal suit, try to overlap operation.Deformation takes place in composite material easily in knockout course, be deformed into elliptical shape by original circle.Metal also might be because of the generation deformation of expanding with heat and contract with cold simultaneously.Composite material cooperates and can not meet the requirements fully with the metal shell size.If matching gap is bigger, cause final products bondline thickness inequality, problem such as coaxality is inconsistent.Therefore, by bringing the adjusting play,, determine to twine the thickness of glass strap according to the size in gap to truncated cone shape metalwork outer surface winding glass cloth.
The parameter of numerical control press during the examination cover, σ gets 5Kn, and γ gets 0.5mm/min;
The square protrusion upper edge of circular cylinder composite material spare to truncated cone shape metalwork bottom apart from 688.4mm the time, the position of the grating 13 record circular cylinder composite material spares by the numerical control press.Gap 1.2mm between circular cylinder composite material spare and the truncated cone shape metalwork has surpassed the 0.8mm that stipulates, after truncated cone shape metalwork outer surface twines 2 layers of glass strap, unnecessary clearance space is squeezed out.
Four, gluing
Evenly be coated with one deck adhesive at the internal surface of circular cylinder composite material spare and the outer surface of truncated cone shape metalwork, gluing thickness is 0.4mm.Blocking protection for the not frictioning position on metalwork and the composite material element prevents to be stained with glue in the gluing process.
Five, formal suit
According to formula σ=parameter of numerical control press when η γ determines formal suit, γ gets 0.15mm/min, and σ is 15Kn, the σ and the γ that determine are passed in the numerical control press, begin formal suit, when the numerical control platen advanced to the position of when cover examination grating record downwards, the numerical control press was out of service.
Six, solidify
After formal suit is finished with the engagement piece integral lifting in curing oven.60 ℃ of solidifying temperatures, 3 hours time.
Embodiment 2
The parameter of numerical control press during the examination cover, σ gets 10Kn, and γ gets 0.4mm/min;
The square protrusion upper edge of circular cylinder composite material spare to truncated cone shape metalwork bottom apart from 688.8mm the time, the grating 13 record circular cylinder composite material spare positions by the numerical control press.Gap 1.5mm between circular cylinder composite material spare and the truncated cone shape metalwork has surpassed the 0.8mm that stipulates, after truncated cone shape metalwork outer surface twines 4 layers of glass strap, unnecessary clearance space is squeezed out.
Gluing thickness is 0.35mm.
According to formula σ=parameter of numerical control press when η γ determines formal suit, γ gets 0.18mm/min, and σ is 20Kn, the σ and the γ that determine are passed in the numerical control press, begin formal suit, when the numerical control platen advanced to the position of when cover examination grating record downwards, the numerical control press was out of service.
After formal suit is finished with the engagement piece integral lifting in curing oven.70 ℃ of solidifying temperatures, 4 hours time.
All the other steps are with embodiment 1.
Embodiment 3
The parameter of numerical control press during the examination cover, σ gets 15Kn, and γ gets 0.5mm/min;
The square protrusion upper edge of circular cylinder composite material spare to truncated cone shape metalwork bottom apart from 688.2mm the time, the grating 13 record circular cylinder composite material spare positions by the numerical control press.Gap 1.6mm between circular cylinder composite material spare and the truncated cone shape metalwork has surpassed the 0.8mm that stipulates, after truncated cone shape metalwork outer surface twines 4 layers of glass strap, unnecessary clearance space is squeezed out.
Gluing thickness is 0.4mm.
According to formula σ=parameter of numerical control press when η γ determines formal suit, γ gets 0.2mm/min, and σ is 22Kn, the σ and the γ that determine are passed in the numerical control press, begin formal suit, when the numerical control platen advanced to the position of when cover examination grating record downwards, the numerical control press was out of service.
After formal suit is finished with the engagement piece integral lifting in curing oven.70 ℃ of solidifying temperatures, 5 hours time.
All the other steps are with embodiment 1.
Embodiment 4
The parameter of numerical control press during the examination cover, σ gets 15Kn, and γ gets 0.5mm/min;
The square protrusion upper edge of circular cylinder composite material spare to truncated cone shape metalwork bottom apart from 688.3mm the time, the grating 13 record circular cylinder composite material spare positions by the numerical control press.Gap 0.6mm between circular cylinder composite material spare and the truncated cone shape metalwork does not surpass regulation.
Gluing thickness is 0.3mm.
According to formula σ=parameter of numerical control press when η γ determines formal suit, γ gets 0.2mm/min, and σ is 22Kn, the σ and the γ that determine are passed in the numerical control press, begin formal suit, when the numerical control platen advanced to the position of when cover examination grating record downwards, the numerical control press was out of service.
After formal suit is finished with the engagement piece integral lifting in curing oven.60 ℃ of solidifying temperatures, 3 hours time.
All the other steps are with embodiment 1.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (10)
1, circular cylinder composite material spare and metalwork positioning bonding process is characterized in that realizing through the following steps:
The first step is transformed the used numerical control press of positioning bonding,
The numerical control press comprises numerical control display screen (11), base (12), grating (13), column (14), pressing plate (15), numerical control display screen (11) is connected by datawire with grating (13), grating (13) is installed on the column (14), column (14) is fixed on the base (12), mechanical connection between column (14) and the pressing plate (15);
Second step, prepare circular cylinder composite material spare and truncated cone shape metalwork that positioning bonding is used,
I, II, four quadrant lines of III, IV are wherein arranged on the truncated cone shape metalwork upper surface, and circular cylinder composite material spare has an I quadrant line of drawing from internal surface, is evenly distributed with four square protrusion on its male cone (strobilus masculinus);
The 3rd step, make the locking and positioning frock according to the bottom size of truncated cone shape metalwork,
The locking and positioning frock comprises base (31), column (32), platen (33), locking nut (34), lifting spiral shell ear (35), pressure ring (36), column (32) is fixed on the mounting base (31), and with platen (33) mechanical connection, locking nut (34) is installed on the column (32), lifting spiral shell ear (35) is installed in platen (33), and pressure ring (36) removably connects with platen (33);
In the 4th step, the truncated cone shape metalwork is installed on the base (31) of locking and positioning frock;
The 5th step was put into circular cylinder composite material spare on the truncated cone shape metalwork, and circular cylinder composite material spare quadrant line I aims at the location with truncated cone shape metalwork quadrant line I, tightens to the locking nut (34) of locking and positioning frock;
The 6th step, lifting spiral shell ear (35) by the locking and positioning frock hangs the described locking and positioning frock that circular cylinder composite material spare and truncated cone shape metalwork have been installed of the 5th step and tries cover on the numerical control press, process parameter when determining formal suit, i.e. the circular cylinder composite material spare position of grating record;
The 7th step, circular cylinder composite material spare is unloaded from the truncated cone shape metalwork, evenly be coated with one deck adhesive at the internal surface of circular cylinder composite material spare and the outer surface of truncated cone shape metalwork, the circular cylinder composite material spare behind the gluing was put on the truncated cone shape metalwork by the 5th step;
The 8th step, lifting spiral shell ear (35) by the locking and positioning frock has describedly been installed the circular cylinder composite material spare of gluing and the locking and positioning frock of truncated cone shape metalwork is hung on the numerical control press with the 7th step, and the process parameter that the numerical control press was determined according to the 6th step carries out formal suit;
In the 9th step, the circular cylinder composite material spare that the lifting spiral shell ear (35) by the locking and positioning frock installs the 8th step cover and the locking and positioning frock of truncated cone shape metalwork are hung heating cure in the curing oven.
2, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process is characterized in that: described the 6th step examination cover step,
A, the locking and positioning frock that circular cylinder composite material spare and truncated cone shape metalwork will be installed are put on the base (12) of numerical control press;
The pressing plate of B, numerical control press (15) is pressed on the pressure ring (36) of locking and positioning frock;
C, the parameter of numerical control press when determining the examination cover, i.e. suit power σ and numerical control press speed γ,
Wherein σ gets 5～15Kn, and γ gets 0.4～0.5mm/min;
D, according to the parameter that this claim step C determines, numerical control platen (15) is advanced downwards, the pressure ring (36) that compresses the locking and positioning frock drives circular cylinder composite material spare certain displacement amount of advancing together downwards;
The square protrusion upper edge of E, measurement circular cylinder composite material spare is to the distance of truncated cone shape metalwork bottom and the gap between circular cylinder composite material spare and the truncated cone shape metalwork;
After the square protrusion upper edge of circular cylinder composite material spare met the requirements to the distance of truncated cone shape metalwork bottom in F, the described step e to be measured, the grating of numerical control machine tool (13) was noted circular cylinder composite material spare position, the process parameter during promptly formal suit.
3, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process is characterized in that: described formal suit step of the 7th step,
A, will be equipped with that the locking and positioning frock of circular cylinder composite material spare and truncated cone shape metalwork is put on the base (12) of numerical control press behind the gluing;
The pressing plate of B, numerical control press (15) is pressed on the pressure ring (36) of locking and positioning frock;
C, according to formula σ=parameter of numerical control press when η γ determines formal suit,
Wherein η is the viscosity of adhesive, and γ gets 0.15～0.2mm/min;
D, the parameter of determining according to this claim step C, numerical control platen (15) is advanced downwards, the pressure ring (36) that compresses the locking and positioning frock drives circular cylinder composite material spare and advances downwards together, when waiting the position of grating (13) record when advancing to examination overlaps, the numerical control press is out of service, and formal suit is finished.
4, circular cylinder composite material spare according to claim 2 and metalwork positioning bonding process, it is characterized in that: the square protrusion upper edge of described circular cylinder composite material spare is 688.4mm to the distance of truncated cone shape metalwork bottom, margin of error ± 0.4mm.
5, circular cylinder composite material spare according to claim 2 and metalwork positioning bonding process, it is characterized in that: the gap between described circular cylinder composite material spare and the truncated cone shape metalwork is not more than 0.8mm, twines the glass cloth adjusting play greater than 0.8mm on the truncated cone shape metalwork.
6, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process is characterized in that: gluing thickness is 0.1～0.5mm in described the 7th step.
7, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process is characterized in that: solidifying temperature is 60～70 ℃ in described the 9th step, and the time was not less than 3 hours.
8, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process, it is characterized in that: the pressure ring of described locking and positioning frock (36) is connected by annular slot with platen (33).
9, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process, it is characterized in that: the pressing plate of described numerical control press (15) passes through lead screw transmission.
10, circular cylinder composite material spare according to claim 1 and metalwork positioning bonding process is characterized in that: described the 7th step is blocked protection with the not frictioning position on circular cylinder composite material spare and the metalwork during gluing.
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| CN200810226834A CN100585196C (en) | 2008-11-18 | 2008-11-18 | truncated platform composite material member and metal member positioning adhesion process |
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| CN200810226834A CN100585196C (en) | 2008-11-18 | 2008-11-18 | truncated platform composite material member and metal member positioning adhesion process |
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| CN101852235B (en) * | 2010-05-20 | 2011-09-14 | 西北工业大学 | Function material flakelet plastering device and plastering method |
| CN102797965B (en) * | 2012-08-23 | 2016-01-20 | 歌尔声学股份有限公司 | Panel beating rapid shaping exemplar and preparation method thereof |
| CN103711764B (en) * | 2012-09-29 | 2016-06-22 | 北京汽车研究总院有限公司 | The attachment structure of a kind of composite connector and metal connecting piece and method |
| CN104214179B (en) * | 2014-08-26 | 2016-03-02 | 中国科学院长春光学精密机械与物理研究所 | Unsettled adsorption type indication grating automatic adhesive device |
| CN105563367B (en) * | 2016-02-18 | 2017-11-28 | 郑州磨料磨具磨削研究所有限公司 | Ultra-thin ring plate precision Special device for bonding and its bonding process |
| CN108312054A (en) * | 2018-02-24 | 2018-07-24 | 沈阳富创精密设备有限公司 | A kind of novel stainless steel loop and plastic hoop technique for sticking method |
| CN111946705A (en) * | 2019-05-17 | 2020-11-17 | 株洲中车时代电气股份有限公司 | Positioning device |
| CN110518325B (en) * | 2019-09-19 | 2021-12-14 | 北京无线电测量研究所 | Assembling method of ferrite phase shifter |
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