CN206382433U - A kind of mould for automobile longitudinal girder - Google Patents
A kind of mould for automobile longitudinal girder Download PDFInfo
- Publication number
- CN206382433U CN206382433U CN201720036407.9U CN201720036407U CN206382433U CN 206382433 U CN206382433 U CN 206382433U CN 201720036407 U CN201720036407 U CN 201720036407U CN 206382433 U CN206382433 U CN 206382433U
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- CN
- China
- Prior art keywords
- pressing plate
- pin
- punch
- drawing pressing
- drastic change
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of mould for automobile longitudinal girder, including punch-pin, cavity plate and drawing pressing plate, the cavity plate is provided with back to punch-pin one end to be used to drive groove towards the driving cylinder of punch-pin punching press, the drawing pressing plate includes being formed with the drastic change groove for increasing charging resistance in the short-movie and lengthy motion picture for being located at drawing pressing plate both sides respectively, the short-movie towards drawing pressing plate central concave.Drastic change groove makes drawing pressing plate be deformed resistance in punching press, to substitute the resistance of bead.When the drawing pressing plate is stretched to bottom, short-movie still has charging resistance, makes lengthy motion picture and short-movie feed surge.Drastic change groove need to only be recessed setting, be not required to extra material, so as to reduce the material usage for setting bead, reduce material cost.
Description
Technical field
The utility model is related to auto parts, and in particular to a kind of mould for automobile longitudinal girder.
Background technology
China's automobile consumption in this year has occupied world's huge legendary turtle head, as the first big automobile production state.The big situation of auto output
The lower stock utilization for improving single part reduces cost to Automobile Enterprises and played an important role, but has in actual production one
The waste of a little materials.
L-shaped longeron in such as automobile, typically in punching course, in order to ensure that part stretching is stable, it is necessary to make longeron
The tablet position of punch-pin both sides is not offset toward any one side.Usually all it is to produce resistance to increase plate friction by using bead
Method, to keep material flow equalization.But so, it is necessary to plate is left to always on bead when being stretched to bottom
Just it can guarantee that, otherwise plate is Yi Dan out of hand more than once bead feed rate.Therefore need to increase the size of blanking sheet material, make
Bead leaves a certain distance to product edge, it is ensured that when being stretched to bottom, and sheet material still in bead, is so resulted in
The waste of material.How reduce material in the case of, still keep plate frictional force, be now needed for solve the problem of.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model, which is that offer is a kind of, is keeping sheet material frictional force
While the mould for automobile longitudinal girder of reduction material.
To achieve the above object, the utility model provides following technical scheme：
A kind of mould for automobile longitudinal girder, including punch-pin, cavity plate and drawing pressing plate, the cavity plate are set back to punch-pin one end
Have for driving groove towards the driving cylinder of punch-pin punching press, the drawing pressing plate includes the short-movie for being located at drawing pressing plate both sides respectively
And lengthy motion picture, the drastic change groove for increasing charging resistance is formed with towards drawing pressing plate central concave in the short-movie.
By using above-mentioned technical proposal, drastic change groove makes drawing pressing plate be deformed resistance in punching press, to substitute drawing
The resistance of muscle.When the drawing pressing plate is stretched to bottom, short-movie still has charging resistance, makes lengthy motion picture and short-movie feed surge.Drastic change groove is only
Need to be recessed setting, be not required to extra material, so as to reduce the material usage for setting bead, reduce material cost.
It is of the present utility model to be further arranged to：The drastic change groove is trapezoidal to be set, and the drastic change groove upper end length of side is small
In the lower end length of side, the drastic change well width is equal to short-movie width.
By using above-mentioned technical proposal, because the length of side above and below short side is different, drastic change groove is set trapezoidal, can
The deformation drag for being subject to the both sides up and down of short-movie is different, makes the upper and lower sides feed surge of short-movie.Drastic change well width is located at short-movie
Width, can meet deformation drag required during short-movie charging, so as to facilitate in the case where making drastic change groove depth as small as possible
Drawing pressing plate is stripped.Fall into too deep prevented also from due to drastic change geosynclinal concave simultaneously, and make structural strength at drastic change groove too low, easily occur shape
The phenomenon of change occurs.
It is of the present utility model to be further arranged to：After the drawing pressing plate punch forming, the drastic change groove relatively short side
Side is perpendicular to cavity plate.
By using above-mentioned technical proposal, make drawing pressing plate in the demoulding, drastic change groove relatively short side side is produced to cavity plate
Resistance is small, facilitates the demoulding of drawing pressing plate.
It is of the present utility model to be further arranged to：The drastic change groove inner edge is respectively provided with chamfering.
By using above-mentioned technical proposal, so as to facilitate the demoulding of drawing pressing plate.Reduce the drawing pressure in punching press simultaneously
The concentrated stress that plate is subject in drastic change groove edge, it is ensured that the structural strength and integrality of drawing pressing plate.
It is of the present utility model to be further arranged to：Along product design provided with some sections of beads on the drawing pressing plate.
By using above-mentioned technical proposal, when the length difference on short side and long side is larger, bead coordinates drastic change groove, increases
Plus drawing template flow resistance during stretching, prevent drawing template from wrinkling.So as to prevent because drastic change geosynclinal concave falls into too deep, and make drastic change
Structural strength is too low at groove, and the phenomenon easily deformed upon occurs.
It is of the present utility model to be further arranged to：Being provided between the punch-pin and cavity plate is used to be oriented to cavity plate vertically
The guidance set of punching press.
By using above-mentioned technical proposal, by guidance set when punch-pin is vertically moving, there is one to punch-pin
The effect of guiding, improves stability when punch-pin is moved with respect to cavity plate.
It is of the present utility model to be further arranged to：The guidance set include being fixedly installed on lead on punch-pin and
The positioning hole being engaged on cavity plate with lead is arranged at, the lead is in positioning hole and is slidably connected with the cavity plate.
By using above-mentioned technical proposal, when driving cylinder driving cavity plate is moved towards punch-pin direction, the guiding on cavity plate
Post is slided in the positioning hole on cavity plate, and positioning hole has the spacing power of a radial direction to lead, it is ensured that lead is along positioning hole
Axial movement, so as to play a part of guide and limit.
It is of the present utility model to be further arranged to：The alignment pin for fixing drawing pressing plate is provided with the punch-pin.
By using above-mentioned technical proposal, punch-pin is fixedly connected by alignment pin with the garbage area for realizing drawing pressing plate, is prevented
Only in punching press, drawing pressing plate specific punch is slided, so that stability when improving drawing pressing plate punching press.
The utility model has advantages below：On the premise of the lengthy motion picture of drawing pressing plate and short-movie feed surge is ensured, lead to
Setting drastic change groove is crossed, is reduced for producing the material of charging group power, so as to save material cost.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is the top view of drawing pressing plate in embodiment；
Fig. 3 is the partial schematic diagram of drawing pressing plate in embodiment.
Reference：1st, punch-pin；2nd, drawing pressing plate；3rd, cavity plate；4th, driving cylinder；5th, guidance set；6th, lead；7th, position
Hole；8th, shaping area；9th, garbage area；10th, spacing hole；11st, short-movie；12nd, lengthy motion picture；13rd, drastic change groove；14th, bead；15th, alignment pin.
Embodiment
The utility model is described further referring to the drawings.
As shown in figure 1, a kind of mould for automobile longitudinal girder, including punch-pin 1, the drawing pressing plate set gradually from top to bottom
2nd, the driving cylinder 4 that the cavity plate 3 and driving cavity plate 3 being engaged with punch-pin 1 are moved towards punch-pin 1.Driving cylinder 4 is nitrogen cylinder.
As shown in figure 1, punch-pin 1 is fixedly installed on lathe.Guidance set 5 is provided between punch-pin 1 and cavity plate 3.Guiding group
Part 5 includes lead 6 and positioning hole 7.Positioning hole 7 along being opened on the side end face of 3 specific punch of cavity plate 1 one straight up.It is oriented to
Post 6 along setting straight up, and the size of lead 6 and position are corresponding in positioning hole 7.The one end of lead 6 is fixedly connected on
The punch-pin 1 and other end is embedded in positioning hole 7, and lead 6 is slidably connected to positioning hole 7.
As shown in figure 1, drawing pressing plate 2 is located between cavity plate 3 and punch-pin 1, and it is positioned on punch-pin 1.As shown in Fig. 2 drawing
Prolonging pressing plate 2 includes shaping area 8 and garbage area 9.Shaping area 8 is the punching press aftershaping of drawing pressing plate 2 into the part of product, garbage area 9
It is outside skirt materials unformed after the punching press of drawing pressing plate 2.The garbage area 9 of drawing pressing plate 2 is offered on spacing hole 10, punch-pin 1
Along straight up provided with alignment pin 15.As depicted in figs. 1 and 2, alignment pin 15 is fed through spacing hole 10, and the radius of alignment pin 15 etc.
In the radius of spacing hole 10.It is placed on so that drawing pressing plate 2 is stable on punch-pin 1.Alignment pin 15 is fed through punch-pin 1 and is slidably connected
In punch-pin 1.
As shown in figure 3, the effective district of drawing pressing plate 2 includes short-movie 11 and lengthy motion picture 12.Short-movie 11 and lengthy motion picture 12 are located at respectively
The both sides of drawing pressing plate 2.The outer wall of short-movie 11 forms drastic change groove 13 towards the central concave of drawing pressing plate 2.Drastic change groove 13 is in isosceles trapezoid
Set, and the upper end length of side of drastic change groove 13 is less than the lower end length of side, the width of drastic change groove 13 is equal to the width of short-movie 11.Drastic change groove 13 is relatively long
Side side is perpendicular to cavity plate 3.The inner edge of drastic change groove 13 is respectively provided with chamfering.
As shown in Fig. 2 the upper surface of garbage area 9 of drawing pressing plate 2 is circumferentially with some sections of beads 14 along effective district.Drawing
Set between muscle 14 in gap.
To be made of 1360mm*410mm drawing pressing plate 2 in automobile exemplified by the L-shaped longeron of single head, the work of the mould
Principle is as follows：
As shown in figure 1, drawing pressing plate 2 is positioned on punch-pin 1, the spacing hole 10 on drawing pressing plate 2 is set to be set in positioning
On pin 15, the fixation of drawing pressing plate 2 and punch-pin 1 is realized.Drive cavity plate 3 to be moved towards punch-pin 1 by driving cylinder 4, press cavity plate 3
Tightly in drawing pressing plate 2.Then driving cylinder 4 continues to promote, and continues traveling downwardly cavity plate 3, and punch forming is carried out to drawing pressing plate 2.
Positioning component has carried out spacing to the motion path of cavity plate 3 during this, cavity plate 3 is carried out stable punching press to drawing pressing plate 2, carries
The precision of high part punching.
It is stamped in drawing pressing plate 2 in drawing process, cavity plate 3 makes drawing pressing plate 2 deform upon encountering punch-pin 1, it is acute
Becoming deformation at groove 13 makes the Friction Shearing Stress that the flowing of drawing pressing plate 2 is produced into 8.51N/m2；There is no the place friction of drastic change groove 13
Shear stress is 0；The Friction Shearing Stress that the position of bead 14 is produced is 9.29N/m2.
When being stretched to bottom, the Friction Shearing Stress that deformation produces the flowing of drawing pressing plate 2 at drastic change groove 13 is 15.1N/m2；Not yet
The local Friction Shearing Stress for having drastic change shape is now 2.09N/m2.
As shown in figure 3, can be seen that by the skid wire in the effective district of drawing pressing plate 2 when being stretched to bottom, although drawing pressure
Plate 2 have passed through bead 14, but be due to the effect of deformation drag at drastic change groove 13, and the top skid wire of drawing pressing plate 2 is still protected
The stable state on R angles has been held, has not been offset to another side.It is achieved thereby that at the lengthy motion picture 12 and short-movie 11 of drawing pressing plate 2
Feed surge.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of mould for automobile longitudinal girder, including punch-pin（1）, cavity plate（3）With drawing pressing plate（2）, the cavity plate（3）Back to
Punch-pin（1）One end, which is provided with, to be used to drive groove towards punch-pin（1）The driving cylinder of punching press（4）, it is characterized in that：The drawing pressing plate
（2）Including being located at drawing pressing plate respectively（2）The short-movie of both sides（11）And lengthy motion picture（12）, the short-movie（11）On towards drawing pressing plate
（2）Central concave is formed with the drastic change groove for increasing charging resistance（13）.
2. a kind of mould for automobile longitudinal girder according to claim 1, it is characterized in that：The drastic change groove（13）It is trapezoidal
Set, and the drastic change groove（13）The upper end length of side is less than the lower end length of side, the drastic change groove（13）Width is equal to short-movie（11）Width.
3. a kind of mould for automobile longitudinal girder according to claim 2, it is characterized in that：When the drawing pressing plate（2）Punching
After molded, the drastic change groove（13）Relatively short side side is perpendicular to cavity plate（3）.
4. a kind of mould for automobile longitudinal girder according to claim 3, it is characterized in that：The drastic change groove（13）Inner edge is equal
Chamfering is set.
5. a kind of mould for automobile longitudinal girder according to claim 3, it is characterized in that：The drawing pressing plate（2）Upper edge
Product design is provided with some sections of beads（14）.
6. a kind of mould for automobile longitudinal girder according to claim 1 or 5, it is characterized in that：The punch-pin（1）And cavity plate
（3）Between be provided be used for be oriented to cavity plate（3）The guidance set of vertically punching press（5）.
7. a kind of mould for automobile longitudinal girder according to claim 6, it is characterized in that：The guidance set（5）Including
It is fixedly installed on punch-pin（1）On lead（6）And it is arranged at cavity plate（3）Upper and lead（6）The positioning hole being engaged
（7）, the lead（6）In positioning hole（7）The interior and cavity plate（3）It is slidably connected.
8. a kind of mould for automobile longitudinal girder according to claim 7, it is characterized in that：In the punch-pin（1）It is upper to set
Have for fixing drawing pressing plate（2）Alignment pin（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036407.9U CN206382433U (en) | 2017-01-12 | 2017-01-12 | A kind of mould for automobile longitudinal girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720036407.9U CN206382433U (en) | 2017-01-12 | 2017-01-12 | A kind of mould for automobile longitudinal girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206382433U true CN206382433U (en) | 2017-08-08 |
Family
ID=59492511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720036407.9U Expired - Fee Related CN206382433U (en) | 2017-01-12 | 2017-01-12 | A kind of mould for automobile longitudinal girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206382433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044312A (en) * | 2017-12-08 | 2018-05-18 | 广东铭利达科技有限公司 | A kind of automobile longitudinal girder processing method |
-
2017
- 2017-01-12 CN CN201720036407.9U patent/CN206382433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044312A (en) * | 2017-12-08 | 2018-05-18 | 广东铭利达科技有限公司 | A kind of automobile longitudinal girder processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20220112 |