CN101259505A - Association mounting mold structure and mounting debugging method thereof - Google Patents
Association mounting mold structure and mounting debugging method thereof Download PDFInfo
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- CN101259505A CN101259505A CNA2008100890987A CN200810089098A CN101259505A CN 101259505 A CN101259505 A CN 101259505A CN A2008100890987 A CNA2008100890987 A CN A2008100890987A CN 200810089098 A CN200810089098 A CN 200810089098A CN 101259505 A CN101259505 A CN 101259505A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 79
- 238000012856 packing Methods 0.000 claims description 57
- 230000008859 change Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 19
- 238000003801 milling Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 29
- 238000004080 punching Methods 0.000 abstract description 11
- 238000005520 cutting process Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 9
- 238000011835 investigation Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a die structure of a cooperative mounting; an upper mold cushion plate (2) and a lower mold cushion plate (7) are respectively arranged between an upper mold (3) and an upper mold seat (1) as well as between a lower mold (5) and a lower mold seat (8). Besides, the invention also discloses a mounting debug method adopted by the die structure, namely, the upper mold and the lower mold of each die are led to have an equal height through adding the cushion plates or carrying out cutting processing on the cushion plates in the mounting debug process. By adopting the technical proposal and through the technique alternation of the cooperative mounting of the die, the key punching number indexes during the punching manufacture can be improved; simultaneously damages of the die and power consumptions can be reduced; the working manufacture efficiency and the operating factors of the device can be improved; and the manufacture cost can be reduced as well.
Description
Technical field
The invention belongs to the technical field of automobile making Processes and apparatus, relate to the Sheet Metal Forming Technology and the technological equipment of automobile body components, more particularly, the present invention relates to a kind of mould structure of uniting installation.In addition, the invention still further relates to the Installation and Debugging method of this mould structure.
Background technology
In punch process, only on multiple position press, use the mould structure mode that is similar to the associating installation.But this mounting means is higher to the specification requirement of mould, particularly definite relatively difficulty of die size and Center of Pressure.
Each big automobile manufacturing enterprise is because of the increase of new model kind and the increase of old vehicle output at present, under the situation that the difficult expansion of factory building, equipment have been finalized the design, for production efficiency is improved, proposed unite the imagination of installation with the diel of part about symmetry on the vehicle vehicle body, promptly, under a single action press job, finish the punching production of two molds by two moulds with operation are integrated.The production of this mode, theoretic efficient is doubled; Through process modification and production checking, can unite installation to part mould.But up to the present, each automobile manufacturing enterprise does not also propose good technical scheme and is applied on mould structure of uniting installation and installation method thereof.
Summary of the invention
Problem to be solved by this invention provides a kind of mould structure of uniting installation, its objective is the problem that solves the pressing equipment lazy weight, improves utilization rate of equipment and installations and stamping production efficiency.
To achieve these goals, the technical scheme that the present invention takes is: this mould structure of uniting installation that is provided, comprise two molds that distribute with mold center's plane symmetry, establish upper bolster and upper die and lower die seat and counterdie on every mold respectively, two pairs of upper and lower moulds are used for the drawing of vehicle body symmetrical parts, upper die and lower die are installed on upper bolster and die shoe respectively and are fastenedly connected, between described patrix and the upper bolster, between counterdie and the die shoe, establish upper die plate and counterdie backing plate respectively.
For making the present invention more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present invention and creativeness:
The material technology scheme of upper die plate and counterdie backing plate: the material of described upper die plate and counterdie backing plate is the steel of machinable.
Replacing during Installation and Debugging for convenience, the upper die plate on described every mold is that profile is identical, and is provided with polylith by the difference of thickness; Counterdie backing plate on every mold is that profile is identical, and is provided with polylith by the difference of thickness.
The structure technology scheme of upper die plate finishing face and counterdie backing plate finishing face: described upper die plate is a upper die plate finishing face with the surface that is connected of upper bolster; Described counterdie backing plate is counterdie backing plate finishing face with the surface that is connected of die shoe; Above-mentioned cushion block finishing face is the plane that machine cut processing obtains.
In order to realize the goal of the invention identical with technique scheme, the present invention also provides the above-mentioned Installation and Debugging method that mould structure adopted of uniting installation, this method is: when described mould structure of uniting installation is installed, by adjusting, change upper die plate or counterdie backing plate, perhaps adjust, change upper die plate and counterdie backing plate simultaneously, adjust the height of packing compact of two molds; Perhaps carry out machine cut processing, adjust the height of packing compact of two molds, and make it contour by backing plate finishing face to described upper die plate or counterdie backing plate.
Above-described Installation and Debugging method is established between the patrix and patrix of described two molds, the height of packing compact absolute phase difference value between counterdie and the counterdie is H, and described H sets two technological parameters, from little to being respectively h greatly
1, h
2, the step of this method is as follows:
1, its height of packing compact is installed and detected respectively to two molds of uniting in the mould structure of installation on pressing equipment;
If 2 unite the patrix of two molds of installation or the actual height of packing compact of counterdie or upper die and lower die differs bigger, its H 〉=h
2, then the low mold of actual height of packing compact is reinstalled, when reinstalling, between the upper bolster of this mold and patrix, adjust and change upper die plate; Perhaps between die shoe and counterdie, adjust and change the counterdie backing plate; Perhaps above-mentioned upper die plate and counterdie backing plate are adjusted replacing simultaneously; If be adjusted to H at h
1～h
2Between, then carry out step 3; If be adjusted to H＜h
1, then carry out step 4; If height of packing compact equates, then carry out step 6;
If 3 unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs less, its H is at h
1～h
2Between the mm, then the high mold of actual height of packing compact is reinstalled, before reinstalling, backing plate finishing face to upper die plate or counterdie backing plate carries out machine cut processing, perhaps simultaneously the backing plate finishing face of upper die plate and counterdie backing plate is carried out machine cut processing, its machining degree of depth guarantees that two molds are contour, perhaps the installed surface of patrix or counterdie is carried out machine cut processing, perhaps simultaneously the installed surface of upper die and lower die is carried out machine cut processing; Equate up to height of packing compact, carry out step 6 then;
If 4 unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs very little, its H＜h
1, then the high mold of actual height of packing compact is reinstalled, all backing plates of this associating installation mold are unified trim; Equate up to height of packing compact, carry out step 6 then;
If 5 unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs less, its H＜h
2But the mould of associating installation must be installed by half-twist, then must reinstall the low mould of actual height of packing compact this moment, then the low mold of actual height of packing compact is reinstalled, when reinstalling, between the upper bolster of this mold and patrix, adjust and change upper die plate; Perhaps between die shoe and counterdie, adjust and change the counterdie backing plate; Perhaps above-mentioned upper die plate and counterdie backing plate are adjusted replacing simultaneously; Equate until height of packing compact, and on contour backing plate, process the U-shaped mounting groove, carry out step 6 then;
6, mould is installed, and the examination of end back is installed dashes.
Above-described h
1=1mm, h
2=2mm.
Described machine cut processing method is milling or grinding.
The present invention adopts technique scheme, by to the transformation of mould associating installation technology, can improve jig frequency index crucial in the punching production, can reduce the damage of mould and the consumption of kinetic energy simultaneously, improve labor productivity and usage ratio of equipment, reduce production costs.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is a structural representation of the present invention.
Be labeled as among the figure: 1, upper bolster, 2, upper die plate, 3, patrix, 4, upper die plate finishing face, 5, counterdie, 6, counterdie backing plate finishing face, 7, the counterdie backing plate, 8, die shoe.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed as Fig. 1, Fig. 2, the present invention is a kind of mould structure of uniting installation, comprise two molds that distribute with mold center's plane symmetry, establish upper bolster 1 and patrix 3, die shoe 8 and counterdie 5 on every mold respectively, two pairs of upper and lower moulds are used for the drawing of vehicle body symmetrical parts, and patrix 3 and counterdie 5 are installed on upper bolster 1 and die shoe 8 respectively and be fastenedly connected.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize solving the problem of pressing equipment lazy weight, improve the goal of the invention of utilization rate of equipment and installations and stamping production efficiency, the technical scheme that the present invention takes is: extremely shown in Figure 5 as Fig. 1, this mould structure of uniting installation that is provided, between described patrix 3 and the upper bolster 1, between counterdie 5 and the die shoe 8, establish upper die plate 2 and counterdie backing plate 7 respectively.
Technique scheme is installed uniting of diel and is produced, and makes production efficiency improve 100%; Improve jig frequency index crucial in the punching production, can reduce the damage of mould and the consumption of kinetic energy simultaneously, improve labor productivity and usage ratio of equipment, reduce production costs.
In order to make the present invention more perfect, also provide following exemplifying embodiment as the present invention's reference in the specific implementation:
Embodiment one:
The material of described upper die plate 2 and counterdie backing plate 7 is the steel of machinable.The purpose of present embodiment is in order to make each backing plate in Installation and Debugging its whens height, can to carry out machining to its thickness, satisfying the demand that differing heights changes.
Embodiment two;
Before mould is installed, should have the polylith backing plate, when adjusting the mould height of packing compact, can carry out the combination of different-thickness size with convenient.
Embodiment three:
Described upper die plate 2 is a upper die plate finishing face 4 with the surface that is connected of upper bolster 1; Described counterdie backing plate 7 is counterdie backing plate finishing face 6 with the surface that is connected of die shoe 8; Above-mentioned cushion block finishing face is the plane that machine cut processing obtains.
The purpose of the finishing face of setting is when the height of packing compact of Installation and Debugging mould, and it is carried out machine cut processing, and therefore, this face should be the plane, can carry out milling easily, perhaps grinding, perhaps planing, perhaps other plane surface processing method.
Embodiment four:
In order to realize the goal of the invention identical with technique scheme, the present invention also provides the above-mentioned Installation and Debugging method that mould structure adopted of uniting installation, this method is: when described mould structure of uniting installation is installed, by adjusting, change upper die plate 2 or counterdie backing plate 7, perhaps adjust, change upper die plate 2 and counterdie backing plate 7 simultaneously, adjust the height of packing compact of two molds; Perhaps carry out machine cut processing, adjust the height of packing compact of two molds, and make it contour by backing plate finishing face to described upper die plate 2 or counterdie backing plate 7.
Embodiment five:
Above-described Installation and Debugging method is established between the patrix and patrix of described two molds, the height of packing compact absolute phase difference value between counterdie and the counterdie is H, and described H sets two technological parameters, from little to being respectively h greatly
1, h
2, the step of this method is as follows:
1, its height of packing compact is installed and detected respectively to two molds of uniting in the mould structure of installation on pressing equipment;
If 2 unite the patrix of two molds of installation or the actual height of packing compact of counterdie or upper die and lower die differs bigger, its H 〉=h
2, then the low mold of actual height of packing compact is reinstalled, when reinstalling, between the upper bolster 1 of this mold and patrix 3, adjust and change upper die plate 2; Perhaps between die shoe 8 and counterdie 5, adjust and change counterdie backing plate 7; Perhaps above-mentioned upper die plate 2 and counterdie backing plate 7 are adjusted replacing simultaneously; If be adjusted to H at h
1～h
2Between, then carry out step 3; If be adjusted to H＜h
1, then carry out step 4; If height of packing compact equates, carry out step 6 then;
If 3 unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs less, its H is at h
1～h
2Between the mm, then the high mold of actual height of packing compact is reinstalled, before reinstalling, backing plate finishing face to upper die plate 2 or counterdie backing plate 7 carries out machine cut processing, perhaps simultaneously the backing plate finishing face of upper die plate 2 and counterdie backing plate 7 is carried out machine cut processing, its machining degree of depth guarantees that two molds are contour, perhaps the installed surface of patrix 3 or counterdie 5 is carried out machine cut processing, perhaps simultaneously the installed surface of patrix 3 and counterdie 5 is carried out machine cut processing; Equate up to height of packing compact, carry out step 6 then;
If 4 unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs very little, its H＜h
1, then the high mold of actual height of packing compact is reinstalled, all backing plates of this associating installation mold are unified trim; Equate up to height of packing compact, carry out step 6 then; The trim method is machine cut processing, as mills
If 5 unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs less, its H＜h
2But the mould of associating installation must be installed by half-twist, then must reinstall the low mould of actual height of packing compact this moment, then the low mold of actual height of packing compact is reinstalled, when reinstalling, between the upper bolster 1 of this mold and patrix 3, adjust and change upper die plate 2; Perhaps between die shoe 8 and counterdie 5, adjust and change counterdie backing plate 7; Perhaps above-mentioned upper die plate 2 and counterdie backing plate 7 are adjusted replacing simultaneously; Equate until height of packing compact, and on contour backing plate, process the U-shaped mounting groove, carry out step 6 then;
6, mould is installed, and the examination of end back is installed dashes.
Embodiment seven:
Above-described h
1=1mm, h
2=2mm.
Embodiment eight:
Described machine cut processing method is milling or grinding.
Embodiment nine:
Present embodiment is that mould is united the overall process that transformation is installed:
One, transform preceding investigation:
1, the physical dimension of investigation mould:
The physical dimension of mould has determined the enforcement of associating mount scheme, adds the General Logistics Department as the associating installation mold, and physical dimension is united installation and can't be realized greater than the equipment mesa dimensions.
2, calculate the mould stamping press:
Must be in mould size investigation, carry out the calculating and the analysis of engineering mechanics to the mould of preparing to implement modification scheme for stamping press, with the security that guarantees mould in actual production process and the economy of production.
(1) concrete computing formula:
Blanking, punching:
Blanking pressure (F
0): F
0=Lt τ, wherein: L is stamping-out girth (mm); T is material thickness (mm); τ is material shearing strength Mpa, the σ of and τ=(mt/d+0.6)
b, wherein: m is the coefficient relevant with relative gap, so when Z/t=0.15, m=1.2; Wherein, Z is reasonable clearance (mm); So σ of τ=(1.2t/d+0.6)
b
Consider factors such as the variation of fluctuation, the mechanical property of materials in the wearing and tearing of die point, protruding, die gap and material thickness deviation, actual required blanking pressure also must increase by 30%.
So, F
0=1.3F=1.3Lt τ.
(2) discharging, ejecting force:
Ejecting force: F
1=nK
1F; Kicking force: F
2=K
2F; Stripping force: F
3=K
3F, wherein, F is blanking pressure (N), n is for getting caught in part (or waste material) number in the die, n=h/t simultaneously; T is material thickness (mm); H is cylindrical matrix cavity open height.
(3) bending:
For the maximum free bending of V-arrangement spare
For the maximum free bending of U-shaped spare
In the formula, F
FromBe maximum free bending (N); ∑ b is Tensile strength (Mpa); K is a safety coefficient, k=1.3; B is bool width (mm)
(4) bending with sizing power:
F
The school=A * p, wherein, F
The schoolBe bending with sizing power (N) that A is the projected area (mm of bool correction portion
2).
F
Press〉=F
From+ p, wherein, p is the pressure that holding pad or push piece device are arranged, and is about 30%～80% of free bending.
(5) pull and stretch:
Following formula commonly used calculates in the production:
Pull and stretch: F for the first time
1=π d
1T σ
bK
1(F
1=Lt σ
bK
1)
The second time and n pull and stretch: Fn=π dnt σ
bK
2(Fn=Lt σ
bK
2)
Wherein, t is material thickness (mm); L is stamping-out girth (mm); d
p, d
d, die diameter (mm) protruding for punching; σ
bBe Tensile strength (Mpa); K
1, K
2: be respectively correction factor, determine by following table:
Following table is correction factor K
1, K
2And λ
1, λ
2Value
| Drawing coefficient m 1 | 0.55 | 0.57 | 0.60 | 0.62 | 0.65 | 0.67 | 0.70 | 0.72 | 0.75 | 0.77 | 0.80 | - | - | - |
| K 1 | 1.00 | 0.93 | 0.85 | 0.79 | 0.72 | 0.66 | 0.60 | 0.55 | 0.50 | 0.45 | 0.40 | - | - | - |
| λ 1 | 0.80 | - | 0.77 | - | 0.74 | - | 0.70 | - | 0.67 | - | 0.64 | - | - | - |
| Drawing coefficient m 2 | - | - | - | - | - | - | 0.70 | 0.72 | 0.75 | 0.77 | 0.80 | 0.85 | 0.90 | 0.95 |
| K 2 | 1.0 | 0.95 | 0.90 | 0.85 | 0.80 | 0.70 | 0.60 | 0.50 | ||||||
| λ 2 | 0.80 | - | 0.90 | - | 0.75 | - | 0.70 | - |
The pull and stretch merit:
The required pull and stretch merit of single stroke can be calculated as follows.Pull and stretch for the first time:
The second time and n pull and stretch:
F wherein
1Max, Fnmax are for the first time and the later maximum drawing force of each time pull and stretch, (N); λ
1, λ
2Be the ratio of average deformation power Fmax, it is relevant with drawing coefficient, sees the above table.h
1, hn is for the first time and the pull and stretch height (mm) of each time later on.
The power of motor of the required forcing press of pull and stretch is: N (KW)
Wherein, A is the pull and stretch merit, (Nm); ξ is a unbalance factor, gets ξ=1.2～1.4; η 1 is a forcing press efficient, gets η
1=0.6～0.8; η
2Be electric efficiency, get η
2=0.9～0.95; N is a forcing press strokes per minute number of times.If the power of motor of selected forcing press then should be selected the bigger forcing press of power else less than calculated value.
Two, the debugging scheme of height of packing compact trim:
Through confirming after the calculating to mould associating installation dimension and stamping engineering power, after the associating mount scheme does not have technical problem, must go up machine tool measuring and affirmation to the actual height of packing compact of mould, and calculate the thickness of mould trim, and implement the trim scheme according to actual conditions by measurement data.
Concrete scheme is as described in the embodiment five.
Three, definite modification scheme to die ontology:
According to investigation, determine the modification scheme of associating installation mold body to the various performances of mould, parameter.
Specific requirement is as follows:
(1) carries out the affirmation of installation site for the die ontology that does not change installation direction and parameter, and calculate and confirm by the geometric distance that the forcing press central axis is extended to both sides, to prevent forcing press because the long-term asymmetric stressed unbalance loading problem that is caused.
(2) for the change installation direction, but the die ontology that parameter does not change carries out the affirmation of installation site, and calculate and confirm by the geometric distance that the forcing press central axis is extended to both sides, in transformation process, to note simultaneously self size and relative position size of U-shaped mounting groove, to prevent forcing press because the long-term asymmetric stressed unbalance loading problem that is caused.
(3) for not changing installation direction, but the die ontology that parameter changes carries out operating pressure to be confirmed, and by affirmation to the mold work parts, thereby finally make the adjusting range of die backing plate, to prevent that forcing press is in the course of the work because the mould accident that mold work position unbalance stress and working position height disunity take place.
(4) then must be for the die ontology of change installation direction and parameter to the comprehensive consideration and the affirmation of problems such as self size of installation site, mold work parts and U-shaped mounting groove and relative position size.
Four, the on-the-spot transformation verified (trial production):
Mould is united the transformation of installation, must could finally determine to transform whether success by the produced on-site checking.Must consider following problem in the trial production process at the scene:
Checking of the general assembly mould height of associating installation mold;
The working level of each workpiece of mould is checked;
The operating pressure of each mould is checked in the associating installation;
The complexity of upper and lower mould in installation process checked;
The associating installation mold complexity of employee's operation is in process of production checked.
Five, implementation result:
By to the transformation of mould associating installation technology, can realize the raising of key index in the punching production (jig frequency), can reduce the consumption of kinetic energy simultaneously, increase utilization rate to the equipment depreciation expense.Uniting of mould installed the comprehensive management index that transformation can improve punching press SBU on the whole.
Embodiment ten:
Unite first concrete example of using that transformation process is installed according to embodiment nine described moulds:
1, the physical dimension of investigation mould:
Be respectively through the upper left end plate of a kind of automotive type of investigation, the physical dimension of upper right end plate blanking die:
Described upper left end plate blanking die: 1370 * 780 * 530 (length * wide * height)
Described upper right end plate blanking die: 1370 * 780 * 530 (length * wide * height)
The process physical dimension adds up and grows (1370+1370=2740＜4000), wide (780＜2000), can be installed on the travelling table of JA39-630-T2 (2000 * 4000) forcing press or J39-630A (2000 * 3800) forcing press.
2, calculate the mould stamping press:
The employed material of described upper right end plate is that the trade mark is that DC04, material thickness are the cold rolled plate of 0.7mm, its tensile strength sigma
b〉=270Mpa, material thickness t=0.7mm, K
2=0.06.
L
A left side=(770+290) * 2=2120mm; L
Right=(670+290) * 2=1920mm, then:
F
A left side=1.3Lt τ=1.3 * 2120 * 0.7 * 0.65 * 270=338574.6 (N)=34.5484 (ton)
F
Right=1.3Lt τ=1.3 * 1920 * 0.7 * 0.65 * 270=306633.6 (N)=31.2891 (ton)
F
2＝K
2F＝0.06×(34.5484+31.2891)＝3.95025(ton)
(drawing) according to blanking engineering power computing formula and corresponding material shear strength table
F
Always=F
A left side+ F
Right+ F
2=69.78775 (ton)
The tonnage of selected forcing press is 630ton, and is bigger than the aggregate demand tonnage of the associating installation mold that calculates, and can implement so unite installation.
3, height of packing compact trim scheme:
Draw according to actual measurement: H
A left side=699.4mm; H
Right=701.7mm.
Left and right sides absolute altitude differs 2.3mm, according to this situation, should unify trim (normally milling) according to all backing plates to this associating installation mold that the front is narrated.The backing plate that backing plate is the highest mills 2.3mm, to guarantee that the associating installing mechanism can operate as normal.
4, definite modification scheme to die ontology:
By top a series of calculating and analysis, finally draw described left and right upper head plate blanking die and can realize the associating installation, but must transform the mounting means of two secondary moulds, mould directly is fixed on the die change plate, with the handling and the installation of convenient associating installation mold.The on-the-spot transformation verified (trial production).All are normal as a result in on-the-spot trial production, prove that this associating installation technology transformation can satisfy production, transform successfully.
5, Economic and Efficiency Analysis:
When 82494 of annual productions, 14.75 yuan/minute of board unit prices (containing artificial, kinetic energy, 5% Sales Tax); Result: 82494/4 * 14.75=304196.125 (unit).Only this can make the punching press center save 30.42 ten thousand yuan in 1 year once secondary mould transformation;
Embodiment 11:
Unite second concrete example of using that transformation process is installed according to embodiment nine described moulds:
A kind of back wall of vehicle down in board mold unite the installation transformation process:
1, the physical dimension of investigation mould:
Physical dimension through the down interior board mold of the described back wall of investigation is respectively:
Inner panel drawing die under the described back wall: 2000 * 760 * 796 (length * wide * height);
Inner panel trimming and piercing die wedge trimming die under the described back wall: 1870 * 1200 * 799 (length * wide * height);
Add up (long 2000+1870=3870＜4000, wide by 1200＜2000) through physical dimension, can be installed on the travelling table of JA39-630-T2 (2000 * 4000) forcing press.
2, calculate the mould stamping press:
The employed material of inner panel is that the trade mark is that DC01, material thickness are the cold rolled plate of 0.7mm under the described back wall, its tensile strength sigma
b〉=270Mpa, material thickness t=0.7mm, K
1=0.055, the punching number is 7.
L=(220+1410) * 2 * 1.5=4890mm, then:
Inner panel drawing operation power is under the described back wall:
F
Draw=Lt σ
bK
1=4890 * 0.7 * 270 * 0.055=508315.5 (N)=50.83155 (ton)
Inner panel trimming and piercing die wedge trimming process step power is under the described back wall:
F
Dash=1.3Lt τ=1.3 * 4890 * 0.7 * 0.65 * 270=780957.5 (N)=78.09575 (ton)
F
1＝nK
1F＝7×0.055×78.09575＝4.295266(ton)
(drawing) according to blanking engineering power computing formula and corresponding material shear strength table
F
Always=F
Draw+ F
Dash+ F
1=133.222566 (ton)
(78.09575-50.83155)/630=4% (though the stamping press of two operations differs 4%, satisfies the unbalance loading scope, unbalance loading and damage that can the build-up of pressure machine.)
The tonnage of selected forcing press is 630ton, and is bigger than the aggregate demand tonnage of the associating installation mold that calculates, and can implement so unite installation.
3, height of packing compact trim scheme:
Draw according to actual measurement: H
Draw=796.4mm, H
Dash=799.6mm, left and right sides absolute altitude differs 3.2mm, according to this situation, should unify trim (normally milling) according to all backing plates to this associating installation mold that the front is narrated.The backing plate that backing plate is the highest mills 3.2mm, to guarantee that the associating installing mechanism can operate as normal.
4, definite modification scheme to die ontology:
By top a series of calculating and analysis, board mold can be realized the associating installation in finally drawing under the described back wall, but must transform the mounting means of two secondary moulds, mould directly is fixed on the die change plate, with the handling and the installation of convenient associating installation mold.
5, Economic and Efficiency Analysis:
When 82494 of annual productions, 14.75 yuan/minute of board unit prices (containing artificial, kinetic energy, 5% Sales Tax), result: 82494/4 * 14.75=304196.125 (unit), only this can save 30.42 ten thousand yuan in 1 year once secondary mould transformation.
Following table is σ
b: Tensile strength Mpa:
Following table is cylindrical matrix cavity open height:
The single-bit correction power p parameter of the various materials of following table:
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (8)
1, a kind of mould structure of uniting installation, comprise two molds that distribute with mold center's plane symmetry, establish upper bolster (1) and patrix (3), die shoe (8) and counterdie (5) on every mold respectively, two pairs of upper and lower moulds are used for the drawing of vehicle body symmetrical parts, patrix (3) and counterdie (5) are installed and are fastenedly connected on upper bolster (1) and die shoe (8) respectively, it is characterized in that: between described patrix (3) and the upper bolster (1), between counterdie (5) and the die shoe (8), establish upper die plate (2) and counterdie backing plate (7) respectively.
2, according to the described mould structure of uniting installation of claim 1, it is characterized in that: the material of described upper die plate (2) and counterdie backing plate (7) is the steel of machinable.
3, according to claim 1 or 2 described mould structures of uniting installation, it is characterized in that: the upper die plate (2) on described every mold is identical for profile, and is provided with polylith by the difference of thickness; Counterdie backing plate (7) on every mold is that profile is identical, and is provided with polylith by the difference of thickness.
4, according to the described mould structure of uniting installation of claim 3, it is characterized in that: described upper die plate (2) is a upper die plate finishing face (4) with the surface that is connected of upper bolster (1); Described counterdie backing plate (7) is counterdie backing plate finishing face (6) with the surface that is connected of die shoe (8); Above-mentioned cushion block finishing face is the plane that machine cut processing obtains.
5, according to the described Installation and Debugging method that mould structure adopted of uniting installation of claim 4, it is characterized in that: when described mould structure of uniting installation is installed, by adjusting, change upper die plate (2) or counterdie backing plate (7), perhaps adjust, change upper die plate (2) and counterdie backing plate (7) simultaneously, adjust the height of packing compact of two molds; Perhaps carry out machine cut processing, adjust the height of packing compact of two molds, and make it contour by backing plate finishing face to described upper die plate (2) or counterdie backing plate (7).
6, according to the described Installation and Debugging method of claim 5, establish between the patrix and patrix of described two molds, the height of packing compact absolute phase difference value between counterdie and the counterdie is H, it is characterized in that: described H sets two technological parameters, from little to being respectively h greatly
1, h
2, the step of this method is as follows:
1), its height of packing compact is installed and detected respectively to two molds of uniting in the mould structure of installation on pressing equipment;
2) if unite the patrix of two molds of installation or the actual height of packing compact of counterdie or upper die and lower die differs bigger, its H 〉=h
2, then the low mold of actual height of packing compact is reinstalled, when reinstalling, between the upper bolster (1) of this mold and patrix (3), adjust and change upper die plate (2); Perhaps between die shoe (8) and counterdie (5), adjust and change counterdie backing plate (7); Perhaps above-mentioned upper die plate (2) and counterdie backing plate (7) are adjusted replacing simultaneously; If be adjusted to H at h
1～h
2Between, then carry out step 3); If be adjusted to H＜h
1, then carry out step 4); If height of packing compact equates, then carries out step 6);
3) if unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs less, its H is at h
1～h
2Between, then the high mold of actual height of packing compact is reinstalled, before reinstalling, backing plate finishing face to upper die plate (2) or counterdie backing plate (7) carries out machine cut processing, perhaps simultaneously the backing plate finishing face of upper die plate (2) and counterdie backing plate (7) is carried out machine cut processing, its machining degree of depth guarantees that two molds are contour, perhaps the installed surface of patrix (3) or counterdie (5) is carried out machine cut processing, perhaps simultaneously the installed surface of patrix (3) and counterdie (5) is carried out machine cut and process; Equate up to height of packing compact, carry out step 6) then;
4) if unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs very little, its H＜h
1, then the high mold of actual height of packing compact is reinstalled, all backing plates of this associating installation mold are unified trim; Equate up to height of packing compact, carry out step 6) then;
5) if unite the patrix of two molds that mould is installed or the actual height of packing compact of counterdie or upper die and lower die differs less, its H＜h
2But the mould of associating installation must be installed by half-twist, then must reinstall the low mould of actual height of packing compact this moment, then the low mold of actual height of packing compact is reinstalled, when reinstalling, between the upper bolster (1) of this mold and patrix (3), adjust and change upper die plate (2); Perhaps between die shoe (8) and counterdie (5), adjust and change counterdie backing plate (7); Perhaps above-mentioned upper die plate (2) and counterdie backing plate (7) are adjusted replacing simultaneously; Equate until height of packing compact, and on contour backing plate, process the U-shaped mounting groove, carry out step 6) then;
6), mould installs, install to finish the back examination and dash.
7, according to the described Installation and Debugging method of claim 6, it is characterized in that: described h
1=1mm, h
2=2mm.
8, according to claim 6 or 7 described Installation and Debugging methods, it is characterized in that: described machine cut processing method is milling or grinding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100890987A CN101259505B (en) | 2007-12-27 | 2008-04-18 | Mounting debugging method of combined mounting mold structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710302556 | 2007-12-27 | ||
| CN200710302556.6 | 2007-12-27 | ||
| CN2008100890987A CN101259505B (en) | 2007-12-27 | 2008-04-18 | Mounting debugging method of combined mounting mold structure |
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| CN101259505A true CN101259505A (en) | 2008-09-10 |
| CN101259505B CN101259505B (en) | 2011-06-08 |
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ID=39960316
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416421A (en) * | 2011-12-16 | 2012-04-18 | 奇瑞汽车股份有限公司 | Method for balancing loads during mold production |
| CN105170804A (en) * | 2015-10-21 | 2015-12-23 | 张有龙 | One-step molding die for flange barrel mouth piece |
| CN109226501A (en) * | 2018-09-30 | 2019-01-18 | 东莞市豪顺精密科技有限公司 | The composite die and preparation method thereof that a kind of template concave/convex and inside/outside de- material plate material can share |
| CN115447077A (en) * | 2022-09-09 | 2022-12-09 | 上海交通大学 | Wax mould with replaceable mould core |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254999A (en) * | 1979-09-04 | 1981-03-10 | Davidson James D | Die shoes with standard interchangable components and method for interchangability |
| CN2075560U (en) * | 1990-10-08 | 1991-04-24 | 天津手表厂 | Miniature multi-working position progressive die |
| CN100396396C (en) * | 2006-05-26 | 2008-06-25 | 吴明泽 | Precise multifunctional incremental pressing die and its making process |
| CN1974051A (en) * | 2006-11-30 | 2007-06-06 | 张家港联亿电子有限公司 | Continuous deep drawing mold for making aluminium casing with belt material |
-
2008
- 2008-04-18 CN CN2008100890987A patent/CN101259505B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416421A (en) * | 2011-12-16 | 2012-04-18 | 奇瑞汽车股份有限公司 | Method for balancing loads during mold production |
| CN102416421B (en) * | 2011-12-16 | 2013-06-12 | 奇瑞汽车股份有限公司 | Method for balancing loads during mold production |
| CN105170804A (en) * | 2015-10-21 | 2015-12-23 | 张有龙 | One-step molding die for flange barrel mouth piece |
| CN109226501A (en) * | 2018-09-30 | 2019-01-18 | 东莞市豪顺精密科技有限公司 | The composite die and preparation method thereof that a kind of template concave/convex and inside/outside de- material plate material can share |
| CN115447077A (en) * | 2022-09-09 | 2022-12-09 | 上海交通大学 | Wax mould with replaceable mould core |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101259505B (en) | 2011-06-08 |
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