CN105033005B - A kind of wavy metal paillon foil impact forming method and its punch-forming mold - Google Patents
A kind of wavy metal paillon foil impact forming method and its punch-forming mold Download PDFInfo
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- CN105033005B CN105033005B CN201510495411.7A CN201510495411A CN105033005B CN 105033005 B CN105033005 B CN 105033005B CN 201510495411 A CN201510495411 A CN 201510495411A CN 105033005 B CN105033005 B CN 105033005B
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Abstract
The invention provides a kind of wavy metal paillon foil impact forming method and its punch-forming mold.The mould includes：Upper rack mould and lower rack die, the upper rack mould include upper shaping toothholder, the upper molding gear being arranged on shaping toothholder and the upper shaping tooth bar that can be moved relative to upper shaping toothholder；The upper shaping toothholder is connected by limit assembly with the upper shaping tooth bar, only has the free degree moved along matched moulds direction to limit the upper shaping tooth bar；The lower rack die includes lower shaping toothholder, lower molding gear and lower shaping tooth bar, and connection and locations of structures relation are identical with upper rack mould；The upper molding gear is asymmetric setting with lower molding gear；By the assymmetric motion of upper shaping tooth bar and lower shaping tooth bar during matched moulds, corresponding molding gear is coordinated to form sectional stamping stroke；The sectional stamping stroke includes：The second punching stroke that the first punching stroke and punching that punching bends to side bend to opposite side.
Description
Technical field
The present invention relates to metal material moulding technical field, more particularly to a kind of wavy metal paillon foil impact forming method and its
Punch-forming mold.
Background technology
Wavy metal paillon foil is a kind of foil of bellows-shaped, is dissipated in Aero-Space, defence equipment, track traffic, automobile
The fields such as heat have a wide range of applications.The metal beehive being superimposed as such as half regular hexagon corrugated foil has that density is small, rigidity is low,
The advantages of strong shock resistance and controllable compression, can as buffering energy-absorbing material be widely used in track traffic safety,
Aero-Space landing buffer etc.；The characteristics of structure that short pitch, the corrugated foil of high amplitude are formed by stacking simultaneously has radiating strong,
Can be widely used in the heat dissipation environments such as automobile, air-conditioning as fin material.
Existing wavy metal paillon foil forming method mainly has gear roll forming method and the stamping mold method of forming.It is rolled into
Type method is difficult to out the corrugated plate of short pitch, high amplitude, high-strength metal material, and corrugated plate both sides symmetry is poor, tooth top
The shortcomings of face circular arc is excessive, bent angle excessive circular is excessive.And the corrugated foil that conventional ones are molded receives material mechanical performance shadow
Ring, for low elongation material, the phenomenons such as resilience, the thinning drawing crack of material, corrugated plate integrally bending often occur, so as to influence into
Size and mechanical property after type.
Therefore, prior art is also to be developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art part, strikes out it is an object of the invention to provide a kind of wavy metal paillon foil
Type method and its punch-forming mold, it is intended to solve the corrugated foil size after the shaping of existing wavy metal paillon foil forming method and
Mechanical property is not good, be difficult to high amplitude shaping, pitch is short, bending high than problem.
In order to achieve the above object, this invention takes following technical scheme：
A kind of wavy metal paillon foil punch-forming mold, including upper rack mould and lower rack die, wherein, the upper rack mould
Including upper shaping toothholder, the upper molding gear being arranged on upper shaping toothholder and the upper shaping tooth that can be moved relative to upper shaping toothholder
Bar；The upper shaping toothholder is connected by limit assembly with the upper shaping tooth bar, is only had to limit the upper shaping tooth bar
Along the free degree that matched moulds direction is moved；The lower rack die includes lower shaping toothholder, lower molding gear and lower shaping tooth bar, connection
And locations of structures relation is identical with upper rack mould；The upper molding gear is asymmetric setting with lower molding gear；By upper shaping tooth
The assymmetric motion of bar and lower shaping tooth bar during matched moulds, coordinates corresponding molding gear to form sectional stamping stroke；Institute
Stating sectional stamping stroke includes：What the first punching stroke and punching that punching bends to side bent to opposite side
Second punching stroke.
Described punch-forming mold, wherein, the upper shaping tooth bar includes stretching out the first fortune of the upper shaping toothholder
Dynamic state and it is set back in the second motion state of the upper shaping toothholder；The lower shaping tooth bar includes stretching out the lower shaping
3rd motion state of toothholder and be set back in it is described it is lower shaping toothholder the 4th motion state；Described first and the 3rd motion shape
State is respectively the original state of the upper shaping tooth bar and lower shaping tooth bar in a punching stroke.
Described punch-forming mold, wherein, the upper shaping tooth bar passes through the first elastic component and the upper rack mould
Body elastic connects to form described first and second motion state；The lower shaping tooth bar by the second elastic component with it is described under
The body elastic of rack die connects to form the 3rd and the 4th motion state.
Described punch-forming mold, wherein, the limit assembly is included in the limitation of setting in up or down shaping toothholder
Or the groove that is moved along matched moulds direction of lower shaping tooth bar and it is arranged on the side pressure of up or down shaping toothholder front end face and rear end face
Plate.
Described punch-forming mold, wherein, the up or down molding gear is arranged on one end that up or down is molded toothholder；Institute
The other end for stating up or down shaping toothholder is step, and the compression bar being fixedly connected is provided with step；The up or down shaping tooth
Bar is provided with the step surface that is adapted with the compression bar to limit the displacement of up or down shaping tooth bar.
Described punch-forming mold, wherein, the upper shaping tooth bar and lower shaping tooth bar according to stamping material characteristic, if
It is equipped with the shaping tooth of predetermined quantity.
Described punch-forming mold, wherein, it is provided with for preventing in the upper shaping tooth bar and lower shaping tooth bar
The shedding mechanism of strip phenomenon；The shedding mechanism includes discharging thimble and connection discharging thimble and up or down shaping tooth bar
Thimble spring；The discharging thimble is arranged on the shaping between cog of the up or down shaping tooth bar.
Described punch-forming mold, wherein, it is provided with for control on the upper shaping tooth bar and lower shaping tooth bar
The limit for height post in gap when rack die and lower rack die matched moulds.
Described punch-forming mold, wherein, the upper rack mould and lower rack die are provided with and are led in punching stroke
To and positioning guide-localization mechanism.
A kind of wavy metal paillon foil impact forming method, wherein, methods described includes：
Using punch-forming mold as described above, punching bends to side；
Punching bends to complete a punch forming for ripple to opposite side；
By upper shaping tooth bar and lower shaping tooth bar, in follow-up punching corrugated forming process, molded ripple is carried out
Multiple shaping.
Beneficial effect：A kind of wavy metal paillon foil impact forming method and its punch-forming mold that the present invention is provided, will
An original ripple punch forming is changed into sectional stamping, first punching press side, then punching press opposite side.By this interval
Formula, the mode of progressive shaping, effectively solve metal foil material punch forming easy fracture, it is flexible, be difficult to metal
The problems such as shaping of paillon foil high amplitude, short pitch, bending ratio high, especially to the punch forming of low elongation metal foil material, pole
Big improves its formed precision and speed, and the corrugated foil dimensional uniformity for molding is good, stable mechanical property.
Brief description of the drawings
Fig. 1 is the structural representation of the matched moulds state of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention
Figure.
Fig. 2 is the structural representation of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention.
Fig. 3 is the tooth bar of shaping up and down of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention by material strip pressure
Tight schematic diagram.
Fig. 4 is the schematic diagram of the right side tooth bending of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention.
Fig. 5 is the schematic diagram of the left side tooth bending of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention.
Fig. 6 moves to top dead centre for the part of the upper die of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention
Schematic diagram.
Fig. 7 is the tooth form of the planar top surface molding gear of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention
Angle [alpha] is 90 ° of schematic diagram.
Fig. 8 is the tooth form of the circular arc top surface molding gear of the wavy metal paillon foil punch-forming mold of the specific embodiment of the invention
Angle [alpha] is 90 ° of schematic diagram.
Specific embodiment
The present invention provides a kind of wavy metal paillon foil impact forming method and its punch-forming mold.To make mesh of the invention
, technical scheme and effect it is clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.
It should be appreciated that specific embodiment described herein is only used to explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, being a kind of wavy metal paillon foil punch-forming mold of the specific embodiment of the invention.
Shown punch-forming mold includes：Upper rack mould 10 and lower rack die 20.
Wherein, as shown in Figures 2 and 3, the upper rack mould 10 includes upper shaping toothholder 100, is arranged on shaping toothholder
On upper molding gear 110 and can be relative to the upper shaping tooth bar 300 of upper shaping toothholder movement.The upper shaping toothholder 100 passes through
Limit assembly is connected with the upper shaping tooth bar 300, with limit the upper shaping tooth bar only have along matched moulds direction move from
By spending.The matched moulds direction specifically refers to be carried out between upper rack mould 10 and lower rack die 20 moving direction during matched moulds punching press,
It is in the present embodiment upper and lower vertical direction.
The up/down shaping toothholder can be formed in one with up/down molding gear, or be detachably connected or it
He is fixedly connected mode.
Accordingly, the lower rack die 20 includes lower shaping toothholder 200, the lower molding gear being arranged on lower shaping toothholder
210 and lower shaping tooth bar 400.Its connection and locations of structures relation are identical with upper rack mould.That is, the lower shaping toothholder
200 are connected by limit assembly with the lower shaping tooth bar 300, are only had along the shifting of matched moulds direction to limit the lower shaping tooth bar
The dynamic free degree.
The upper molding gear 110 is asymmetric setting with lower molding gear 210.That is, as shown in figure 3, one is arranged on phase
To outer outside, one is arranged on the inner side closer to mould inside.
By the above-mentioned upper molding gear and lower molding gear being staggered, with shaping tooth bar 300 and the lower shaping tooth bar 400 of closing
Assymmetric motion during matched moulds can form a punching stroke for segmented.The sectional stamping stroke includes：Punching
The second punching stroke that the first punching stroke and punching that material pressing belt bends to side bend to opposite side.It is described whole
Whether the assymmetric motion between shape tooth bar and lower shaping tooth bar specifically refers to be stretched out between shaping tooth bar and lower shaping tooth bar
The motion state of corresponding shaping toothholder, can be achieved, such as by setting bullet by existing any suitable mechanical structure
The different compression spring of power, different cylinders etc..
Here, following molding gear is illustrated as a example by outside：
During into the first punching stroke, upper shaping tooth bar 300 is molded in toothholder 100 upper, then by upper molding gear with
The outermost shaping tooth of shaping tooth bar coordinates, and punching bends to form the ripple of half to side.
Then, into the second punching stroke, lower shaping tooth bar 400 bounce back to it is lower shaping toothholder in, by lower molding gear with it is upper
Molding gear coordinates, and punching bends to form a complete ripple to opposite side.Then, above-mentioned two punching press is constantly repeated
Stroke, you can realize the punch forming of wavy metal paillon foil.
Above-mentioned punch-forming mold, is decomposed into front and rear both sides elder generation aftershaping by traditional ripple is one time punching molded, very well
Solve the problems, such as during metal plastic deformation material flowing, be less prone to that corrugated foil material is thinning or even drawing crack phenomenon, drop
The influence of the low mechanical property to corrugated foil, significantly improve the thin metal material moulding of low elongation for short pitch,
The molding effect of the corrugated foil of high amplitude.
Specifically, the upper shaping tooth bar 300 includes stretching out first motion state and retraction of the upper shaping toothholder
Enter the second motion state of the upper shaping toothholder.Accordingly, the lower shaping tooth bar 400 then includes stretching out the lower shaping
3rd motion state of toothholder and be set back in it is described it is lower shaping toothholder the 4th motion state.
Described first and the 3rd motion state be respectively the upper shaping tooth bar and lower shaping tooth bar in a punching stroke
In original state.The original state is specially the state in the case where upper shaping tooth bar is not acted on lower shaping tooth bar by external force.
In a particular embodiment of the present invention, as shown in Fig. 2 the upper shaping tooth bar 300 by the first elastic component 500 with
The body elastic of the upper rack mould connects to form described first and second motion state.The lower shaping tooth bar 400 passes through
Second elastic component 600 is connected to form the 3rd and the 4th motion state with the body elastic of the lower rack die.The bullet
Property part can be compression spring or other realize the elastic component of identical function, such as gas spring etc..
Because original state is the state that up/down shaping tooth bar stretches out shaping toothholder.Thus, on the one hand, be molded over/under
Before tooth punch forming, upper and lower shaping tooth bar compresses material strip to be formed first, so as to play good guide effect simultaneously
And then effectively raise the stamping forming positional precision of molding gear.
On the other hand, during whole punching press matched moulds, because upper and lower shaping tooth bar can enter to molded ripple
Row is compressed, so as to realize the multiple shaping to molded ripple（Specific shaping number of times is by the shaping number of teeth amount institute on shaping tooth bar
Determine）And then influence of the metal material resilience to corrugated plate tooth proportions is eliminated, substantially increase the steady of corrugated plate pitch size
Qualitative and uniformity.The specific number of times of the multiple shaping can give really according to the mechanical property of the material for specifically carrying out punching press
It is fixed, can realize being molded the adjustment of number of times by adjusting shaping number of teeth amount.
More specifically, as shown in Fig. 2 the limit assembly is specifically included：In the limitation set in up or down shaping toothholder
Or the groove 120 or 320 that is moved along matched moulds direction of lower shaping tooth bar and it is arranged on up or down shaping toothholder front end face and rear end
The side guide 30 in face.
In the present embodiment, up/down shaping toothholder is structure as a whole, and up/down shaping tooth bar is arranged on the recessed of shaping toothholder
In groove, moved along matched moulds direction.Through hole is provided with the groove, for placing above-mentioned elastic component（Compression spring）With in realization
State different motion states.The side guide 30 for being arranged on front end face and rear end face can limit axle of the shaping tooth bar along shaping toothholder
Moved to direction, it is ensured that it has the one-movement-freedom-degree in matched moulds direction.
In addition to the direction of motion, in addition it is also necessary to limit the direction of motion of the shaping tooth bar on shaping toothholder.As shown in Fig. 2
Can specifically be realized by following structure：
Relative one end that the up or down shaping toothholder sets up or down molding gear is set to step 130 or 330, step
On be provided with the compression bar 40 that bolt is fixedly connected.
As shown in figure 3, the up or down shaping tooth bar is provided with the step surface 310 or 410 being adapted with the compression bar.
Compression bar is mutually abutted with the step surface, so as to limit the displacement of up or down shaping tooth bar to avoid it whole from up/down
Run out of in shape toothholder.
In the preferred embodiment, be provided with the upper shaping tooth bar 300 and lower shaping tooth bar 400 for
Prevent the shedding mechanism of strip phenomenon.
As shown in Fig. 2 the shedding mechanism includes discharging thimble 51, the thimble spring 52 of offer elastic force and connection discharging
The plug screw 53 of ejector pin mechanism and up or down shaping tooth bar.As shown in figure 3, the discharging thimble 51 is arranged on the up or down shaping
The shaping between cog of tooth bar.By above-mentioned shedding mechanism, when upper and lower mould is separated, material strip can be ejected, and can effectively prevent punching press
During occur strip phenomenon.
More preferably, as shown in Fig. 2 being provided with for controlling upper rack mould on the upper shaping tooth bar and lower shaping tooth bar
And the limit for height post 60 in gap during lower rack die matched moulds.The inner body of mould can be effectively protected by setting limit for height post,
Avoid punching operation improper and it is caused to damage.Furthermore it is also possible to by adjusting the size of limit for height post come the ripple to punching press ripple
Shape amplitude（Highly）It is adjusted.When limit for height column dimension is reduced, you can increase amplitude of wave form.
More specifically, the upper rack mould and lower rack die are provided with the guiding for being oriented in punching stroke and being positioned and determine
Position mechanism.
As shown in Fig. 2 the guide-localization mechanism can include：Guide pillar 1 is installed in lower template 2, and guide pin bushing 1A is installed on
On upper die plate 2A.Upper and lower rack die is positioned and is defined in the free degree of above-below direction by guide pillar 1 and guide pin bushing 1A.Lower template 2 and
Positioning key 3 is mounted on upper die plate 2A, respectively to lower shaping toothholder and upper shaping toothholder positioning so that tooth form can be accurate during matched moulds
Really it is aligned.Although it should be noted that the guide-localization mechanism is specially guide pillar guide pin bushing form and key is fixed in the present embodiment
Position, but the present invention using any suitable guide-localization mechanism in the prior art or can also be that by above-mentioned guiding and determine
Other suitable mechanical structures of bit function.
Present invention also offers a kind of wavy metal paillon foil impact forming method.Methods described includes：
S1, using punch-forming mold as described above, punching bends to side；
S2, punching bend to complete a punch forming for ripple to opposite side；
S3, by upper shaping tooth bar and lower shaping tooth bar, in follow-up punching corrugated forming process, molded ripple is entered
Row repeatedly shaping.
Certainly, the wavy metal paillon foil impact forming method and its mould, can not only realize metal material
Punch forming, additionally it is possible to it is further using in the prior art it is various it is suitable, can be applied to stamping forming material with
Form corresponding corrugated foil.
Further to state the principle of the impact forming method and its mould.As seen in figures 3-6, metal beehive is thought
In half regular hexagon corrugated foil substrate forming as a example by, with reference to stamping mold and its method, punch forming process is carried out old
State as follows：
First, lower template 2 is fixed, and upper die plate 2A is fixed in the drive mechanism of up and down motion, drive mechanism band when initial
Dynamic part of the upper die moves downward from top dead centre, and the limit for height post 60 on lower shaping tooth bar 400 withstands shaping tooth bar 300.Now, on
Lower shaping tooth bar compresses tooth form（As shown in Figure 3）.
Secondly, upper rack mould part continues down to move, because the elastic force of compression spring 500 is less than compression spring 600, therefore
Its elder generation is compressed.It is molded in toothholder 100 in the upper compression and back of shaping tooth bar 300, the bending of corrugated plate right side tooth elder generation（As shown in Figure 4）.
Again, upper rack mould part continues to move downward, and the free degree for now going up shaping tooth bar 300 has been 0, compression spring
600 are compressed, and lower shaping tooth bar 400 is pushed back in lower shaping toothholder 200.Now upper rack mould part has been run to bottom dead centre,
Corrugated plate left side tooth bending（As shown in Figure 5）.
Finally, upper rack mould is moved to after bottom dead center, and beginning is up moved.In motion process, upper and lower rack die starts point
From over/under under compression spring effect, its toothed region each stretches out the toothed region for being molded toothholder up and down to up/down shaping tooth bar（I.e.
First and the 3rd motion state）, while unloading material pin 6 in the presence of discharging spring 7, by corrugated foil in each shaping tooth bar up and down
Piece is ejected from the serrate slot of upper and lower shaping tooth bar.While treating that part of the upper die moves to top dead centre, corrugated foil feeding forward,
Step pitch is a pitch of corrugated plate（As shown in Figure 6）.
So far, a waveform punch forming is completed.The action of aforementioned four step is performed by circulating can enter next
Individual Waveform shaping, and in corrugation process, the action that up/down shaping tooth bar compresses the material strip can also be realized to
It is molded the multiple shaping of ripple.
Although it should be noted that the present invention enters by taking half regular hexagon corrugated foil substrate forming in metal beehive as an example
Row statement, but the impact forming method and its punch-forming mold can be by changing the tooth form angle of molding gear and shaping tooth
It is capable of achieving various to stamp out different type ripple.For example, by the tooth form angle [alpha] in Fig. 3-6 from be adjusted to 90 ° for 60 ° when, you can
Stamp out the rectangle corrugated plate shown in Fig. 7, the tooth form angle [alpha] can adjust to realize the flat-top of different waveforms from 0 to 90 °
Ripple.
Furthermore it is also possible to the planar top surface of the tooth form is changed into circular arc top surface, you can realize punching stroke dome
Corrugated plate；In circular arc top surface, tooth form angle [alpha] can also equally be adjusted between 0 to 90 °.For example, as shown in figure 8,
For a=90 ° when stamping forming dome corrugated plate.
It is understood that for those of ordinary skills, can be with technology according to the present invention scheme and this hair
Bright design is subject to equivalent or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Shield scope.
Claims (9)
1. a kind of wavy metal paillon foil punch-forming mold, including upper rack mould and lower rack die, it is characterised in that the upper tooth
Bar mould includes upper shaping toothholder, the upper molding gear being arranged on shaping toothholder and can be molded the upper whole of toothholder movement relative to upper
Shape tooth bar；
The upper shaping toothholder is connected by limit assembly with the upper shaping tooth bar, is only had to limit the upper shaping tooth bar
Along the free degree that matched moulds direction is moved；
The lower rack die includes lower shaping toothholder, lower molding gear and lower shaping tooth bar, connection and locations of structures relation with it is upper
Rack die is identical；
The upper molding gear is asymmetric setting with lower molding gear；By upper shaping tooth bar and lower shaping tooth bar during matched moulds
Assymmetric motion, coordinate corresponding molding gear to form sectional stamping stroke；
The sectional stamping stroke includes：The first punching stroke that punching bends to side and punching are to opposite side
Second punching stroke of bending；
The upper shaping tooth bar and lower shaping tooth bar are provided with the shaping tooth of predetermined quantity according to stamping material characteristic；
The upper shaping tooth bar and lower shaping tooth bar are realized to many of molded ripple by molded ripple compress
Secondary shaping.
2. punch-forming mold according to claim 1, it is characterised in that the upper shaping tooth bar includes stretching out on described
The first motion state for being molded toothholder and the second motion state for being set back in the upper shaping toothholder；
The lower shaping tooth bar includes stretching out the 3rd motion state of the lower shaping toothholder and is set back in the lower molding gear
4th motion state of seat；
Described first and the 3rd motion state be respectively the upper shaping tooth bar and lower shaping tooth bar in a punching stroke
Original state.
3. punch-forming mold according to claim 2, it is characterised in that the upper shaping tooth bar passes through the first elastic component
It is connected to form described first and second motion state with the body elastic of the upper rack mould；The lower shaping tooth bar is by the
Two elastic components are connected to form the 3rd and the 4th motion state with the body elastic of the lower rack die.
4. punch-forming mold according to claim 1, it is characterised in that the limit assembly includes up or down formed tooth
Groove and be arranged on up or down shaping toothholder front end that the limitation up or down shaping tooth bar set in seat is moved along matched moulds direction
Face and the side guide of rear end face.
5. punch-forming mold according to claim 4, it is characterised in that the up or down molding gear is arranged on up or down
It is molded one end of toothholder；The other end of the up or down shaping toothholder is step, and the compression bar being fixedly connected is provided with step；
The up or down shaping tooth bar is provided with the step surface being adapted with the compression bar to limit up or down shaping tooth bar
Displacement.
6. punch-forming mold according to claim 1, it is characterised in that in the upper shaping tooth bar and lower shaping tooth bar
It is provided with the shedding mechanism for preventing strip phenomenon；
The shedding mechanism includes the thimble spring of discharging thimble and connection discharging thimble and up or down shaping tooth bar；It is described to unload
Material thimble is arranged on the shaping between cog of the up or down shaping tooth bar.
7. punch-forming mold according to claim 1, it is characterised in that on the upper shaping tooth bar and lower shaping tooth bar
The limit for height post in the gap being provided with during for controlling upper rack mould and lower rack die matched moulds.
8. punch-forming mold according to claim 1, it is characterised in that the upper rack mould and lower rack die are respectively provided with
There is the guide-localization mechanism for being oriented in punching stroke and being positioned.
9. a kind of wavy metal paillon foil impact forming method, it is characterised in that methods described includes：
Using punch-forming mold as claimed in claim 1, punching bends to side；
Punching bends to complete a punch forming for ripple to opposite side；
By upper shaping tooth bar and lower shaping tooth bar, in follow-up punching corrugated forming process, molded ripple is carried out repeatedly
Shaping.
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| CN201510495411.7A CN105033005B (en) | 2015-08-13 | 2015-08-13 | A kind of wavy metal paillon foil impact forming method and its punch-forming mold |
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| CN107952850B (en) * | 2017-12-06 | 2019-02-05 | 湖北三环锻压设备有限公司 | A kind of bending method of steel corrugated workpiece automatic moulding |
| CN110369615B (en) * | 2019-07-26 | 2021-07-06 | 势加透博(成都)科技有限公司 | Metal corrugated foil stamping die |
| CN113020487A (en) * | 2019-12-24 | 2021-06-25 | 中国电信股份有限公司 | Cutting machine and cutting method |
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| CN2216873Y (en) * | 1995-01-13 | 1996-01-10 | 吉林市厦林金属制品有限公司 | Corrugated sheet double peak forming mould |
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| CN204817729U (en) * | 2015-08-13 | 2015-12-02 | 深圳市乾行达科技有限公司 | Corrugated metal paillon foil stamping forming mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09150224A (en) * | 1995-11-29 | 1997-06-10 | Daihatsu Motor Co Ltd | Sheet metal press forming method and forming device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216873Y (en) * | 1995-01-13 | 1996-01-10 | 吉林市厦林金属制品有限公司 | Corrugated sheet double peak forming mould |
| CN102794352A (en) * | 2012-08-24 | 2012-11-28 | 中国科学院深圳先进技术研究院 | Forming device and forming method for corrugated foil of metal honeycomb core |
| CN103537539A (en) * | 2013-10-18 | 2014-01-29 | 中国科学院深圳先进技术研究院 | Stamping device of corrugated foils and production device of corrugated foils |
| CN204817729U (en) * | 2015-08-13 | 2015-12-02 | 深圳市乾行达科技有限公司 | Corrugated metal paillon foil stamping forming mould |
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