CN108393395A - A kind of process for stamping of the inner plate of car door of truck - Google Patents
A kind of process for stamping of the inner plate of car door of truck Download PDFInfo
- Publication number
- CN108393395A CN108393395A CN201810188292.4A CN201810188292A CN108393395A CN 108393395 A CN108393395 A CN 108393395A CN 201810188292 A CN201810188292 A CN 201810188292A CN 108393395 A CN108393395 A CN 108393395A
- Authority
- CN
- China
- Prior art keywords
- car door
- inner plate
- stamping
- edge
- vehicle window
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a kind of process for stamping of the inner plate of car door of truck, wherein includes the following steps：S1 carries out first time drawing to blank, forms first step；S2 carries out second of drawing, forms second step；Deburring is carried out at corresponding inner plate of car door upper side frame, and is punched out along second of drawing direction；S3 carries out deburring to the bottom edge and side edge of corresponding inner plate of car door, shaping is carried out to corresponding inner plate of car door upper edge；S4 is punched out side, and hole flanging obtains the hole with flange.The present invention can improve the accuracy of inner plate of car door, reduce the risk of drawing cracking, reduce manufacture and maintenance cost.
Description
Technical field
The present invention relates to truck parts technical field, especially a kind of process for stamping of the inner plate of car door of truck.
Background technology
Car door is one of the important component on automobile, on car door also simultaneously need setting window, mounting hole, various moulding and
Bulge-structure.
Please refer to Fig. 1, Fig. 1 is the axonometric drawing of inner plate of car door in the prior art, wherein when in order to ensure closing of the door with
Step surface structure 3 is usually made in the lower part of inner plate of car door 1 by the close fit of vehicle body, in order to set window in upper opening vehicle door, just needs
Larger-size vehicle window hole 2 is opened up in the middle and upper part of inner plate of car door 1, for the ease of installation door lock, handle and various locking machines
Structure, it is also necessary to mounting hole be set on car door and side opening is set on side.In the prior art, the processing technology of inner plate of car door 1
The usually process of drawing, deburring and punching, flange, shaping, this process drawing is main molding procedure, passes through drawing
The basic configuration of part is obtained, then by deburring, punching removes the waste material of extra addendum, then by flange, whole
The moulding process such as shape carry out part shape the fine tuning of part, to obtain final part.
In prior art scheme, the shaping that the basic parts profile later stage is obtained by drawing is all to the small of the angles R
Type face carry out small-scale change, have a disadvantage that：
1. a drawing operation obtains whole shape features of almost entire part, rear process is mainly deburring, and punching is turned over
Side, and one-time formed type face is difficult to (small area) of part and does shaping, obtain part.This technics comparing is inflexible, spirit
The space living changed is smaller, limits the diversity of technological design.
2. because being that a drawing has obtained the basic configuration of part, drawing depth is fixed, the moulding of part
It determines the size of drawing depth, also just determines molding realizability.Drawing there is for the larger part of drawing depth
Prolong the risk of state labile and drawing cracking.
3. the 1 required drawing depth of inner plate of car door due to truck is larger, there are plucking risks, to reduce the general of plucking
Rate, it is higher for drawing die quality requirement, for example hardness, finish will promote a grade, be both also to reinforce mold
Operational maintenance maintenance increases manufacturing cost.
How to be this field one of major issue urgently to be resolved hurrily to the Sheet Metal Forming Technology for improving inner plate of car door 1.
Invention content
The object of the present invention is to provide a kind of process for stamping of the inner plate of car door of truck, with solve it is in the prior art not
Foot, it can improve the accuracy of inner plate of car door, reduce the risk of drawing cracking, reduce manufacture and maintenance cost.
The present invention provides a kind of process for stamping of the inner plate of car door of truck, wherein includes the following steps：
S1 carries out first time drawing to blank, forms first step；
S2 carries out second of drawing, forms second step；Carry out deburring at corresponding inner plate of car door upper side frame, and along the
Secondary drawing direction is punched out；
S3 carries out deburring to the bottom edge and side edge of corresponding inner plate of car door, is carried out to corresponding inner plate of car door upper edge whole
Shape；
S4 is punched out side, and hole flanging obtains the hole with flange.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, in the process of first time drawing
In, control blank flows uniformly into cavity plate.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, in step s 2, second of drawing
Prolong, carry out deburring at corresponding inner plate of car door upper side frame and be punched out along drawing direction to be carried out at the same time.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, in step S2 along drawing direction into
Row punching, including be punched out along corresponding vehicle window hole inside edge.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, in step S2, along corresponding vehicle window
Hole inward flange place hole punched is at least overlapped with the edge in corresponding vehicle window hole on one side.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, along corresponding vehicle window hole inner edge in S2
Edge institute hole punched is at least two.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, along corresponding vehicle window hole inner edge in S2
It is located at the corner in the corresponding vehicle window hole along institute's hole punched.
The process for stamping of the inner plate of car door of truck as described above, wherein further include to vehicle window in step S3 preferably
Hole is punched out, the excess stock in removal vehicle window hole.
The process for stamping of the inner plate of car door of truck as described above, wherein preferably, to corresponding inner plate of car door in S2
Bottom edge and side edge carry out deburring, shaping is carried out to corresponding inner plate of car door upper edge and along corresponding vehicle window hole inside edge into
Row punching is carried out at the same time.
Compared with prior art, the present invention by carrying out drawing at twice to blank so that and the depth of each drawing becomes smaller,
Inlet amount when can ensure to ensure drawing during each drawing is conducive to that blank is made to reach each vertex, makes every
The shape formed after secondary drawing is more accurate.It can prevent that drawing length is excessive because of one time simultaneously, caused by inlet amount deficiency
Cracking risk.By carrying out the deburring of door outer frame side at twice, the punching in vehicle window hole is also carried out in two steps；Due to step
At least two techniques that can be carried out at the same time have been carried out in S2, step S3 and step S4, can reduce the inner plate of car door punching of truck
Station when pressure and equipment, advantageously reduce production cost.
Description of the drawings
Fig. 1 is the axonometric drawing of inner plate of car door in the prior art；
Fig. 2 is the step flow chart of the present invention；
Fig. 3 is the comparison diagram between workpiece and inner plate of car door after the first drawing；
Fig. 4 is the workpiece shapes comparison diagram before and after step S2.
Reference sign：
1- inner plate of car door, 2- vehicle windows hole, 3- step surfaces, 4- first steps, 5- beads.
Shaped wires of the A- through step S1, the line before B- step S2 shapings, lines of the C- after step S2 shapings, D- waste material lines
Specific implementation mode
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and cannot be construed to
Limitation of the present invention.
Fig. 2 is please referred to, Fig. 2 is the step flow chart of the present invention, and the present invention proposes a kind of rushing for inner plate of car door 1 of truck
Pressure method, wherein include the following steps：
S1 carries out first time drawing to blank, forms first step 4；During first time drawing, it is ensured that punch-pin
The position shaped can be needed to be completed in first time drawing workpiece, the dead angle or dead zone that there should not be punch-pin not reach.The
When drawing starts, the cornerites of punch-pin both sides is accomplished almost the same as far as possible, and the material for flowing into cavity plate by both sides is made to keep equal
It is even.When punch-pin starts the to shape and place of blank contact should be close intermediate, in order to avoid material play during first time drawing
And influence the surface quality of inner plate of car door 1.In step sl, it in order to ensure the quality of first time drawing, needs to increase technique benefit
Fill part, that is, fill at the vehicle window hole 2 of corresponding inner plate of car door 1 and other mounting holes, be unfolded at corresponding flange.In this way,
It can ensure that material stress is more uniform during the first drawing, ensures smooth drawing.First time drawing makes corresponding car door
Punching press of moulding on 1 top of inner panel is completed, and the more complicated contoured section in 1 lower part of inner plate of car door is shaped, especially
At lower part multi-stage stairs face 3.In order to ensure to control charging in first time drawing, bead 5 is set on mold, is led to
Setting bead 5 is crossed, can increase and control charging resistance during first time drawing, make the charging rate of side more
Uniformly.Please refer to Fig. 3, comparison diagrams of the Fig. 3 between the workpiece after the first drawing and inner plate of car door 1；Wherein, (a) is the
The partial schematic diagram of workpiece after drawing is (b) partial isometric of interior inner panel.Step S1 it can be seen from Fig. 3
In only larger to depth first step 4 carry out drawing, the more complicated second step of moulding is not handled.
S2 carries out second of drawing, forms second step, and second step is formed step surface with the cooperation of first step 4
3, when it is implemented, second of drawing can also be replaced with shaping；It is repaiied in 1 upper side frame outside of corresponding inner plate of car door
Side, and be punched out along second of drawing direction；Specifically, step S2 includes S201, carries out second of drawing, forms second
Rank；S202 carries out deburring in 1 upper side frame outside of corresponding inner plate of car door；S203 is punched out along second of drawing direction.Specifically
When implementation, since the fortune of mold will not be interfered and needed between step S201, step S202 and step S203 in operation
Dynamic direction is consistent, and therefore, step S201, step S202 and step S203 can be carried out at the same time, in this way, not only by improving production effect
Rate, additionally it is possible to reduce station and process, save production cost.Since first time drawing has been completed 1 upper side frame of inner plate of car door
The moulding of outside can be to carrying out deburring by step S202 on the outside of 1 upper side frame of inner plate of car door.When it is implemented, can also
Second of drawing is changed to carry out shaping for 1 middle and lower part of inner plate of car door, the complete of 1 middle and lower part of inner plate of car door is obtained by shaping
It causes.Improve the forming properties and operability of shaping.When it is implemented, the punching in step S203 includes along corresponding vehicle window
2 inside edge of hole is punched out, in practical operation, in step S203, at least along 2 inward flange place hole punched of corresponding vehicle window hole
There is the edge coincidence on one side with corresponding vehicle window hole 2, specifically, 2 inward flange institute hole punched is at least along corresponding vehicle window hole in S203
Two.Along corresponding vehicle window hole, 2 inside edge institute hole punched is located at the corner in the corresponding vehicle window hole 2 in step S203.As one kind
Preferred embodiment, along 2 inside edge of corresponding vehicle window hole, the hole in portion is two in step S203, and is respectively positioned on the corner in vehicle window hole 2,
That is there are two overlapped at side and 2 inside edge of vehicle window hole for institute's hole punched in step S203.In this way, dividing at least twice to vehicle window hole 2
The addendum at place carries out punching press to remove the material at this, since 2 corresponding face of vehicle window hole is larger, if by once rushing
Material complete resection in vehicle window hole 2 since trimming is longer, can be caused the trimming at 2 inside edge of vehicle window hole to deform by pressure.
Fig. 4 is please referred to, Fig. 4 is the workpiece shapes comparison diagram before and after step S2；Wherein, A indicates the shaped wire through step S1,
B indicates that the line before step S2 shapings, C indicate that the line after step S2 shapings, D indicate waste material line；The A lines formed through step S1 are straight
It is connected into shape, after subsequent step, the shape invariance of A lines, B lines then indicate the line before step S2 shapings, i.e. B lines are also through step
The lines formed after rapid S1, the difference is that, the processing that B lines will pass through subsequent step could shape with A lines.Through step S2
After processing, C lines and D lines are formd, wherein using dotted line in scheming as separation, D lines indicate waste material line, are producing for C lines and D lines
It should give excision in journey.
S3 carries out deburring to the bottom edge and side edge of corresponding inner plate of car door 1, is carried out to corresponding 1 upper edge of inner plate of car door
Shaping, along corresponding vehicle window hole, 2 inside edge is punched out；When it is implemented, specifically including following steps in step S3：Step
S301 carries out deburring to the bottom edge and side edge of corresponding inner plate of car door 1；Step S302, to corresponding 1 upper edge of inner plate of car door into
Row shaping；S303 is punched out vehicle window hole 2, the excess stock in removal vehicle window hole 2.When it is implemented, in order to improve production
Efficiency reduces process and station to achieve the purpose that reduce production cost, simultaneously by step S301, step S302 and step S303
It carries out.It wherein, can be in car door in step S301 since in step s 2, the moulding of inner plate of car door 1 has machined
The bottom edge of plate 1 and side carry out deburring.
S4 is punched out side, and hole flanging obtains the hole with flange.When it is implemented, in step s 4, punching and hole flanging
It is carried out at the same time, process can be saved.By step S4, the punching press of entire inner plate of car door 1 is completed.
It will be appreciated to those of skill in the art that plane can also be made into the step surface with various moulding by shaping,
Therefore, in step s 2, second of drawing can be replaced with shaping process.Only second of drawing is replaced to obtain shaping process
The method arrived, it should also be included within protection scope of the present invention.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (9)
1. a kind of process for stamping of the inner plate of car door of truck, which is characterized in that include the following steps：
S1 carries out first time drawing to blank, forms first step；
S2 carries out second of drawing, forms second step；Deburring is carried out at corresponding inner plate of car door upper side frame, and along second
Drawing direction is punched out；
S3 carries out deburring to the bottom edge and side edge of corresponding inner plate of car door, shaping is carried out to corresponding inner plate of car door upper edge；
S4 is punched out side, and hole flanging obtains the hole with flange.
2. the process for stamping of the inner plate of car door of truck according to claim 1, which is characterized in that in the mistake of first time drawing
Cheng Zhong, control blank flow uniformly into cavity plate.
3. the process for stamping of the inner plate of car door of truck according to claim 1, which is characterized in that in step s 2, second
Secondary drawing carries out deburring and is punched out along drawing direction to be carried out at the same time at corresponding inner plate of car door upper side frame.
4. the process for stamping of the inner plate of car door of truck according to claim 1, which is characterized in that along second in step S2
Drawing direction, which is punched out, to be specifically included：Along corresponding vehicle window hole, inside edge is punched out.
5. the process for stamping of the inner plate of car door of truck according to claim 4, which is characterized in that in step S2, along correspondence
Vehicle window hole inward flange place hole punched is at least overlapped with the edge in corresponding vehicle window hole on one side.
6. the process for stamping of the inner plate of car door of truck according to claim 5, which is characterized in that along corresponding vehicle in step S2
Fenestra inward flange institute hole punched is at least two.
7. the process for stamping of the inner plate of car door of truck according to claim 5, which is characterized in that along corresponding vehicle in step S2
Fenestra inside edge institute hole punched is located at the corner in the corresponding vehicle window hole.
8. the process for stamping of the inner plate of car door of truck according to claim 5, which is characterized in that further include pair in step S3
Vehicle window hole is punched out to remove the excess stock in vehicle window hole.
9. the process for stamping of the inner plate of car door of truck according to claim 8, which is characterized in that corresponding vehicle in step S3
The bottom edge of door inner panel and side edge carry out deburring, carry out shaping to corresponding inner plate of car door upper edge and along corresponding vehicle window hole
Edge, which is punched out, to be carried out at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188292.4A CN108393395A (en) | 2018-03-07 | 2018-03-07 | A kind of process for stamping of the inner plate of car door of truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188292.4A CN108393395A (en) | 2018-03-07 | 2018-03-07 | A kind of process for stamping of the inner plate of car door of truck |
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| Publication Number | Publication Date |
|---|---|
| CN108393395A true CN108393395A (en) | 2018-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188292.4A Pending CN108393395A (en) | 2018-03-07 | 2018-03-07 | A kind of process for stamping of the inner plate of car door of truck |
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| CN (1) | CN108393395A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482737A (en) * | 2018-11-30 | 2019-03-19 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card nut cap makes tooling and manufacture craft |
| CN110434212A (en) * | 2019-08-13 | 2019-11-12 | 武汉市尚佳盛汽车配件有限公司 | Seat seat board Sheet Metal Forming Technology and its Special punching die |
| CN112474975A (en) * | 2020-12-22 | 2021-03-12 | 天津轻工职业技术学院 | Efficient stamping process for rear section of automobile roof and lower section of outer plate of back door |
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| JP2009136911A (en) * | 2007-12-10 | 2009-06-25 | Toshiba Corp | Forming die, forming apparatus, and method of manufacturing formed product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482737A (en) * | 2018-11-30 | 2019-03-19 | 宁波凯荣船用机械有限公司 | Film-type liquefied natural gas cargo tank maintenance system stainless steel wave card nut cap makes tooling and manufacture craft |
| CN110434212A (en) * | 2019-08-13 | 2019-11-12 | 武汉市尚佳盛汽车配件有限公司 | Seat seat board Sheet Metal Forming Technology and its Special punching die |
| CN112474975A (en) * | 2020-12-22 | 2021-03-12 | 天津轻工职业技术学院 | Efficient stamping process for rear section of automobile roof and lower section of outer plate of back door |
| CN112474975B (en) * | 2020-12-22 | 2023-01-24 | 天津轻工职业技术学院 | Efficient stamping process for rear section of automobile roof and lower section of outer plate of back door |
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Application publication date: 20180814 |
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