CN114769456A - Production method and production device for stamping automobile door inner plate by left and right pieces in common mode - Google Patents
Production method and production device for stamping automobile door inner plate by left and right pieces in common mode Download PDFInfo
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- CN114769456A CN114769456A CN202210436503.8A CN202210436503A CN114769456A CN 114769456 A CN114769456 A CN 114769456A CN 202210436503 A CN202210436503 A CN 202210436503A CN 114769456 A CN114769456 A CN 114769456A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000009966 trimming Methods 0.000 claims abstract description 70
- 238000004080 punching Methods 0.000 claims abstract description 48
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 238000007493 shaping process Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims description 174
- 238000005520 cutting process Methods 0.000 claims description 62
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 238000013037 co-molding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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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
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a production method and a production device for stamping an automobile door inner panel by a left piece and a right piece in a common mode, the production method for stamping the automobile door inner panel by the left piece and the right piece in the common mode realizes the production of the automobile door inner panel by a drawing process, a trimming process, a shaping process and a punching separation process, particularly, trimming is carried out along trimming lines of the door inner panels at the front side and the rear side in the trimming process, so that the forming stress of the side wall of the part is completely released after the trimming process, the two door inner panels are shaped according to rebound compensation values in the shaping process, the punching separation process only separates and punches the two door inner panels without the residual stress influence of the side wall, the rebound of the part is not influenced due to the punching separation, all compensation can be completed in the trimming process, the number of the rebound and the die set of the side wall of a sheet part is reduced, only one die needs to be changed every time, and the debugging difficulty of the die is reduced in the development stage, and the debugging period of the die is shortened.
Description
Technical Field
The invention relates to the technical field of stamping, in particular to a production method and a production device for stamping an automobile door inner plate by using a left piece and a right piece in a common mode.
Background
In the field of cold stamping of automobile metal plates, a left part and a right part are designed and produced by combining left and right parts in consideration of material utilization rate and production efficiency. Under the conditions, for the thin plate parts with complex structures and large part depths, the rebound of the side wall is difficult to control, and particularly the stability after measurement is difficult to guarantee. Taking an automobile door inner plate as an example, in the trimming process, the front face and the flange face of the middle connecting area of the left and right pieces are cut off; the side wall connecting surface of the left piece and the right piece is cut off in the punching and separating process. The biggest defect of the process is that the forming stress of the side wall of the part can be completely released after the punching separation process, when the springback compensation is carried out, the springback before shaping and the springback after the stress release after the punching separation need to be integrated by a shaping sequence for compensation, the springback after the punching separation is generated on the basis of the shaping, so the shaping state influences the springback after the punching separation, the springback and compensation conditions of the shaping and the punching separation are interactive, the conditions need to be circularly and repeatedly iteratively rectified according to the actual part output state, and even if the prior software is used for early-stage simulation analysis, the problems of mold damage caused by multiple rectification and long mold rectification period cannot be solved.
Disclosure of Invention
The invention mainly aims to provide a production method and a production device for stamping an automobile door inner panel by left and right common modes, and aims to solve the problems that the existing production method for stamping the automobile door inner panel by the left and right common modes needs to carry out repeated and repeated iterative rectification according to the actual part output state, and even if the existing software is used for early-stage simulation analysis, the problems of mold damage caused by multiple rectification and long mold rectification period cannot be solved.
In order to achieve the purpose, the invention provides a production method for stamping an automobile door inner panel by a left piece and a right piece in a common mode, which comprises the following steps:
drawing: drawing a plate to form two door inner plates which are symmetrically arranged along the left-right direction, wherein redundant waste materials are arranged on the peripheral sides of the two door inner plates, and the redundant waste materials comprise side connecting waste materials which are respectively arranged on the front side and the rear side of the two door inner plates;
trimming: trimming along trimming lines of the door inner plate on the front side and the rear side so as to cut off side connecting waste materials;
shaping: shaping the two inner door plates according to the springback compensation value;
punching and separating: and separating and punching two inner door plates.
Optionally, a cutting line extending in the front-rear direction is formed between the two door inner plates;
the punching separation: the step of separating and punching the two inner door panels "includes:
separating the two inner door panels along the cut and separated line;
and punching holes in the corresponding door inner plate along the up-down direction.
Optionally, the trimming: and after the step of trimming along trimming lines of the door inner panel at the front side and the rear side to cut off the side connecting waste material, the method further comprises the following steps:
and (4) carrying out block cutting on the cut side connecting waste.
Optionally, the side connection waste has a plurality of cutting lines, and the plurality of cutting lines divide the side connection waste into a first waste sandwiched between two door inner panels, a second waste connected to a left door inner panel, a third waste connected to a right door inner panel, and a fourth waste whose periphery is connected to the first waste, the second waste, and the third waste;
the step of cutting the cut side connecting waste material into blocks comprises the following steps:
cutting the side connection waste along a plurality of the cutting lines to obtain the separated first waste, second waste, third waste and fourth waste.
In order to achieve the above object, the present invention provides a production apparatus for stamping an inner door panel of an automobile by using a left and right piece in a common mode, comprising:
the drawing die is used for drawing and forming a plate into two door inner plates which are symmetrically arranged along the left-right direction, wherein redundant waste materials are arranged on the peripheral sides of the two door inner plates, and the redundant waste materials comprise side connecting waste materials which are respectively arranged on the front side and the rear side of the two door inner plates;
the trimming die is used for trimming along trimming lines of the door inner plate on the front side and the rear side so as to cut off the side connecting waste materials;
the shaping die is used for shaping the two door inner plates according to the springback compensation value;
and the punching separation die is used for separating and punching the two inner door plates.
Optionally, the side connecting waste includes a first waste clamped between two inner door panels, a second waste connected to the left inner door panel, a third waste connected to the right inner door panel, and a fourth waste whose periphery is connected to the first waste, the second waste, and the third waste, so that the trimming line is formed between the first waste, the second waste, the third waste, and the fourth waste and two inner door panels:
the trimming die comprises a trimming cutter, and the trimming cutter is movably arranged along the trimming line.
Optionally, the cutting device further comprises a waste cutting die, wherein the waste cutting die is used for cutting the cut side connecting waste in a block manner.
Optionally, the side connection waste includes a first waste clamped between two inner door panels, a second waste connected to a left inner door panel, a third waste connected to a right inner door panel, and a fourth waste whose periphery is connected to the first waste, the second waste, and the third waste, and at least three cutting lines are formed among the first waste, the second waste, the third waste, and the fourth waste;
the waste material cutting die comprises at least three cutting tools, and the at least three cutting tools correspond to the at least three cutting lines and are used for separating the first waste material, the second waste material, the third waste material and the fourth waste material.
Optionally, the number of the cutting tools is three, and in the three cutting tools, two cutting edges of the cutting tools extend in the front-back direction, and the remaining cutting edges of the cutting tools extend in the left-right direction and are adjacent to the door inner panel.
Optionally, the device further comprises a blanking assembly, wherein the blanking assembly is used for respectively blanking the first waste material, the second waste material, the third waste material and the fourth waste material.
According to the technical scheme, the production of the automobile door inner plate is realized through a drawing process, a trimming process, a shaping process and a punching separation process, specifically, trimming is carried out along trimming lines of the door inner plate on the front side and the rear side in the trimming process, so that the forming stress of the side wall of a part is completely released after the trimming process, the two door inner plates are shaped according to the springback compensation value in the shaping process, the punching separation process only separates and punches the two door inner plates without the influence of residual stress of the side wall, the influence of the punching separation on the springback of the part is avoided, all compensation can be completed in the process, the number of the mould sets for the springback adjustment and the mould adjustment of the side wall of the sheet part is reduced, only one mould needs to be changed every time for mould adjustment, the debugging difficulty of the mould is reduced in the development stage, and the debugging period of the mould is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow chart of an embodiment of a method for producing a left and right piece co-molded stamped automobile door inner panel according to the present invention;
FIG. 2 is a schematic structural diagram of a part of a production apparatus for co-molding left and right pieces to stamp an inner door panel of an automobile;
fig. 3 is a schematic structural view of the relative positions of the trimming line and the cutting knives in fig. 2;
FIG. 4 is a schematic view of a first scrap;
FIG. 5 is a schematic view of a fourth scrap;
FIG. 6 is a schematic view of a second scrap;
fig. 7 is a schematic view of the structure of the third scrap.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
303 | |
| 20 | Door |
304 | |
| 30 | |
305 | |
| 301 | |
4 | |
| 302 | First waste material | a | Trimming line |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the field of cold stamping of automobile metal plates, a left part and a right part are designed and produced by combining left and right parts in consideration of material utilization rate and production efficiency. Under the conditions, for the thin plate parts with complex structures and large part depths, the rebound of the side wall is difficult to control, and particularly the stability after measurement is difficult to guarantee. Taking an automobile door inner plate as an example, in the trimming process, the front face and the flange face of the middle connecting area of the left and right pieces are cut off; the side wall connecting surface of the left piece and the right piece is cut off in the punching and separating process. The biggest defect of the process is that the forming stress of the side wall of the part can be completely released after the punching separation process, when the springback compensation is carried out, the springback before shaping and the springback after the stress is released after the punching separation need to be integrated by a shaping sequence for compensation, the springback of the punching separation is influenced by the shaping state because the springback of the punching separation is generated on the basis of the shaping, the springback and the compensation of the shaping and the punching separation are interactive, the situation needs to be repeatedly and iteratively rectified according to the actual part output state, and even if the existing software is used for early-stage simulation analysis, the problems of die damage caused by multiple rectifying and long die rectifying period can not be solved.
In view of the above, the present invention mainly provides a method for producing a left and right piece common-mode stamped automobile door inner panel, which can solve the problems that the existing method for producing a left and right piece common-mode stamped automobile door inner panel requires repeated iterative rectification according to the actual part output state, and even if the existing software is used for early-stage simulation analysis, the problems of mold damage and long mold rectification period caused by multiple rectification cannot be solved. Fig. 1 is an embodiment of a schematic flow chart of a production method for stamping an automobile door inner panel by left and right pieces in a co-molding manner, and fig. 2 is a schematic partial structural view of a production device for stamping an automobile door inner panel by left and right pieces in a co-molding manner, which is provided by the invention; fig. 3 is a schematic structural view of the trimming line and the relative positions of the cutting blades in fig. 2; FIG. 4 is a schematic view of a first scrap; FIG. 5 is a schematic view of a fourth scrap; FIG. 6 is a schematic view of a second scrap; fig. 7 is a schematic view of the structure of the third scrap.
The invention provides a production method and a production device for stamping an automobile door inner panel by a left piece and a right piece in a common mode, and with reference to fig. 1, the production method for stamping the automobile door inner panel by the left piece and the right piece in the common mode comprises the following steps:
step S10, drawing: drawing and forming a plate material 10 into two door inner plates 20 which are symmetrically arranged along the left-right direction, wherein redundant waste materials are arranged on the peripheral sides of the two door inner plates 20, and the redundant waste materials comprise side connecting waste materials 30 which are respectively arranged at the front side and the rear side of the two door inner plates 20;
step S20, trimming: trimming along trimming lines a of the door inner panel 20 on both front and rear sides to cut off side connection scraps 30;
step S30, shaping: shaping the two inner door panels 20 according to the springback compensation value;
step S40, punch separation: the two inner door panels 20 are separated and punched.
In the production method of the left and right piece common-mode stamping automobile door inner panel, the production of the automobile door inner panel 20 is realized through a drawing process, a trimming process, a shaping process and a punching separation process, specifically, trimming is carried out along the trimming line a of the door inner panel 20 at the front side and the rear side in the trimming process, so that the forming stress of the side wall of the left and right piece common-mode stamping automobile door inner panel is completely released after the trimming process, two door inner panels 20 are shaped according to the rebound compensation value in the shaping process, the punching separation process only separates and punches the two door inner panels 20 without the residual stress influence of the side wall, the rebound of the left and right piece common-mode stamping automobile door inner panel is not influenced due to the punching separation, all compensation is completed in the trimming process, the number of the rebound finishing die set of the left and right piece common-mode stamping automobile door inner panel side wall is reduced, and only one die set needs to be changed every die change, and the debugging difficulty of the die is reduced in the development stage, and the debugging period of the die is shortened.
Specifically, a cut line extending in the front-rear direction is formed between the two inner door panels 20, and the step S40, punching and separating: the step of separating and punching the two inner door panels 20 includes:
a step S410 of separating the two door inner panels 20 along the cut-and-separate line;
and step S420, punching holes in the corresponding door inner panel 20 in the vertical direction.
In the punching and separating step, the two inner door panels 20 are separated along the trimming and dividing line, and the corresponding inner door panel 20 is punched in the up-down direction, so that the residual stress influence of the side wall is avoided, and the part rebound is not influenced in the punching and separating step.
Specifically, step S20, trimming: the step of trimming along the trimming line a of the door inner panel 20 on both front and rear sides to cut off the side joint scrap 30 further includes:
and step S210, carrying out block cutting on the cut side connecting waste 30.
Considering that the size of the side connection scrap 30 is large, which is disadvantageous to the blanking of the side connection scrap 30, in order to solve this problem, the cut side connection scrap 30 is cut into pieces, so that the side connection scrap 30 is cut into a plurality of pieces, and each piece of scrap convenient to cut slides out of the corresponding chute.
Further, the side connection scrap 30 has a plurality of cutting lines 301, and the plurality of cutting lines 301 divide the side connection scrap 30 into a first scrap 302 sandwiched between the two door inner panels 20, a second scrap 303 connected to the left side door inner panel 20, a third scrap 304 connected to the right side door inner panel 20, and a fourth scrap 305 having a peripheral edge connected to the first scrap 302, the second scrap 303, and the third scrap 304;
the step S210 of cutting the cut-off side connection waste 30 into pieces includes:
step S211 of cutting the side connection scrap 30 along a plurality of cutting lines 301 to obtain the separated first scrap 302, second scrap 303, third scrap 304, and fourth scrap 305.
Specifically, since the side connection waste 30 has a plurality of cutting lines 301, the side connection waste 30 is cut along the plurality of cutting lines 301 to obtain the separated first waste 302, second waste 303, third waste 304, and fourth waste 305, and the operation is simple by blanking the first waste 302, second waste 303, third waste 304, and fourth waste 305, respectively.
The invention provides a production device for stamping an automobile door inner panel by a left piece and a right piece in a common mode, which comprises a drawing die, a trimming die, a shaping die and a punching separation die, wherein the drawing die is used for drawing and forming a plate material 10 into two door inner panels 20 which are symmetrically arranged along the left direction and the right direction, redundant waste materials are arranged on the peripheral sides of the two door inner panels 20, the redundant waste materials comprise side connecting waste materials 30 which are respectively arranged on the front side and the rear side of the two door inner panels 20, the trimming die is used for trimming along a trimming line a of the door inner panels 20 on the front side and the rear side so as to cut off the side connecting waste materials 30, the shaping die is used for shaping the two door inner panels 20 according to a rebound compensation value, the punching separation die is used for separating and punching the two door inner panels 20, and thus, as the trimming is carried out along the trimming line a of the door inner panels 20 on the front side and the rear side through the trimming die, make the forming stress of controlling a common mode punching press vapour door inner panel lateral wall release completely after the deburring, according to resilience compensation value two through the plastic mould the vapour door inner panel 20 carries out the plastic, and the separation mould that punches a hole is only to two the vapour door inner panel 20 separates and punches a hole, does not have the residual stress influence of lateral wall, because the separation of punching a hole is to controlling a common mode punching press vapour door inner panel resilience nothing influence, all compensation through the trimming mould accomplish can, reduce about a common mode punching press vapour door inner panel resilience rectification mould cover number, every turn the mould only need change one set of mould can, the debugging degree of difficulty of mould is reduced in the development stage, shortens mould debugging cycle.
Specifically, referring to fig. 3, the side connection scrap 30 includes a first scrap 302 sandwiched between two inner door panels 20, a second scrap 303 connected to the left inner door panel 20, a third scrap 304 connected to the right inner door panel 20, and a third scrap 304 having a periphery connected to the first scrap 302 and the two inner door panels 20, such that the first scrap 302, the second scrap 303, the third scrap 304, and the fourth scrap 305 form the trimming line a between the two inner door panels 20, and the trimming mold includes a trimming cutter movably disposed along the trimming line a to cut the side connection scrap 30 into the separated first scrap 302, second scrap 303, third scrap 304, and fourth scrap, thereby facilitating the separation of the first scrap 302, second scrap 303, third scrap 305, and fourth scrap 305, The third waste material 304 and the fourth waste material 305 are blanked, and the operation is simple.
Specifically, control a common mode stamping workpiece apparatus for producing still includes waste material cutting die, through waste material cutting die carries out the piecemeal cutting with the lateral part connection waste material 30 of excision, easy operation, effectual.
Further, referring to fig. 3 to 7, the side connection waste 30 includes a first waste 302 sandwiched between two inner door panels 20, a second waste 303 connected to the left inner door panel 20, a third waste 304 connected to the right inner door panel 20, and a third waste 304 having a periphery connected to the first waste 302 and the two inner door panels 20, at least three cutting lines 301 are formed between the first waste 302, the second waste 303, the third waste 304, and the fourth waste 305, and the waste cutting mold includes at least three cutting tools 4, and the at least three cutting lines 301 are corresponding to the at least three cutting tools 4 to separate the first waste 302, the second waste 303, the third waste 304, and the fourth waste 305, so that cutting can be accurately completed, and blanking is facilitated after cutting.
Specifically, in the embodiment of this application, referring to fig. 3, cutting tool 4 sets up three, three cutting tool 4, two in cutting tool 4's edge of a knife sets up along extending forward and backward, remains cutting tool 4's edge of a knife sets up along extending to left and right sides, and is close to door inner panel 20 sets up, so set up, can accomplish accurately and cut, and is effectual.
Specifically, the left and right common mode stamping workpiece production device further comprises a blanking assembly, the blanking assembly is used for respectively blanking the first waste 302, the second waste 303, the third waste 304 and the fourth waste 305, so that the respective blanking is realized, the first waste 302, the second waste 303, the third waste 304 and the fourth waste 305 are respectively collected and processed, and the effect is good.
Further, the blanking assembly comprises a plurality of sliding grooves, the sliding grooves are respectively arranged corresponding to the first waste material 302, the second waste material 303, the third waste material 304 and the fourth waste material 305, and after the first waste material 302, the second waste material 303, the third waste material 304 and the fourth waste material 305 are separated, the corresponding waste materials are respectively slid out from the corresponding sliding grooves, so that the blanking is realized, the operation is simple, and the effect is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A production method for stamping an automobile door inner plate by a left piece and a right piece in a common mode is characterized by comprising the following steps:
drawing: drawing a plate to form two inner door plates symmetrically arranged in the left-right direction, wherein redundant waste materials are arranged on the peripheral sides of the two inner door plates, and the redundant waste materials comprise side connecting waste materials which are respectively arranged on the front side and the rear side of the two inner door plates;
trimming: trimming along trimming lines of the door inner plate on the front side and the rear side so as to cut off side connecting waste materials;
shaping: shaping the two inner door plates according to the springback compensation value;
punching and separating: and separating and punching two inner door plates.
2. The production method of a left and right co-molded stamped automobile door inner panel as claimed in claim 1, wherein a cut-and-cut line extending in the front-rear direction is formed between two of said door inner panels;
the punching separation: the step of separating and punching the two door inner panels includes:
separating the two inner door panels along the cut and separated line;
and punching holes on the corresponding inner door plate along the up-down direction.
3. The method for producing a left-right co-molded stamped automobile door inner panel according to claim 1, wherein the "trimming: and after the step of trimming along trimming lines of the door inner panel at the front side and the rear side to cut off the side connecting waste material, the method further comprises the following steps:
and (4) carrying out block cutting on the cut side connecting waste.
4. The production method of a left-right piece common-mode stamped automobile door inner panel as claimed in claim 3, wherein the side connection waste has a plurality of cutting lines, and the plurality of cutting lines divide the side connection waste into a first waste sandwiched between two door inner panels, a second waste connected to a left door inner panel, a third waste connected to a right door inner panel, and a fourth waste having a periphery connected to the first waste, the second waste, and the third waste;
the step of cutting the cut side connecting waste material into blocks comprises the following steps:
cutting the side connection waste along a plurality of the cutting lines to obtain the separated first waste, second waste, third waste and fourth waste.
5. The utility model provides a production device of controlling piece common mode punching press car door inner panel which characterized in that includes:
the drawing die is used for drawing and forming a plate into two door inner plates which are symmetrically arranged along the left-right direction, wherein redundant waste materials are arranged on the peripheral sides of the two door inner plates, and the redundant waste materials comprise side connecting waste materials which are respectively arranged on the front side and the rear side of the two door inner plates;
the trimming die is used for trimming along trimming lines of the door inner plate on the front side and the rear side so as to cut off the side connecting waste materials;
the shaping die is used for shaping the two door inner plates according to the springback compensation value;
and the punching separation die is used for separating and punching the two door inner plates.
6. The left-right piece common mode stamping part production device according to claim 5, wherein the side connecting waste material comprises a first waste material clamped between two door inner plates, a second waste material connected with the left door inner plate, a third waste material connected with the right door inner plate, and a fourth waste material connected with the first waste material, the second waste material, and the third waste material at the periphery, so that the trimming line is formed between the first waste material, the second waste material, the third waste material, and the fourth waste material and the two door inner plates:
the trimming die comprises a trimming cutter, and the trimming cutter is movably arranged along the trimming line.
7. A left and right piece common mode stamping production apparatus as claimed in claim 5, further comprising a scrap trim die for block trimming of the cut side connection scrap.
8. The apparatus for producing left and right common-mode stamped parts according to claim 7, wherein the side connection waste comprises a first waste sandwiched between two inner door panels, a second waste connected to a left inner door panel, a third waste connected to a right inner door panel, and a fourth waste having a periphery connected to the first, second, and third waste, and at least three cutting lines are formed among the first, second, third, and fourth waste;
the waste material cutting die comprises at least three cutting tools, and the at least three cutting tools correspond to the at least three cutting lines and are used for separating the first waste material, the second waste material, the third waste material and the fourth waste material.
9. The left-right piece common mode stamping workpiece production apparatus according to claim 8, wherein the cutting tools are provided in three, two of the three cutting tools are provided with their edges extending in the front-rear direction, and the remaining cutting tools are provided with their edges extending in the left-right direction and disposed adjacent to the door inner panel.
10. The apparatus for producing a left and right co-molded stamping part according to claim 5, further comprising a blanking assembly for respectively blanking the first waste, the second waste, the third waste and the fourth waste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210436503.8A CN114769456B (en) | 2022-04-24 | 2022-04-24 | Production method and production device for stamping inner plate of automobile door by using left and right parts in common mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210436503.8A CN114769456B (en) | 2022-04-24 | 2022-04-24 | Production method and production device for stamping inner plate of automobile door by using left and right parts in common mode |
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| Publication Number | Publication Date |
|---|---|
| CN114769456A true CN114769456A (en) | 2022-07-22 |
| CN114769456B CN114769456B (en) | 2024-03-22 |
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| CN202210436503.8A Active CN114769456B (en) | 2022-04-24 | 2022-04-24 | Production method and production device for stamping inner plate of automobile door by using left and right parts in common mode |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2465717A2 (en) * | 2010-12-16 | 2012-06-20 | ThyssenKrupp System Engineering GmbH | Method for producing an inner door sheet with a bearing section and a door module holder |
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| CN106077270A (en) * | 2016-07-05 | 2016-11-09 | 上海众大汽车配件有限公司 | A kind of mould of front door of automobile waling part |
| CN109909375A (en) * | 2019-04-21 | 2019-06-21 | 南京筑新建筑工程有限公司 | A kind of metal tile shaping mould group and its moulding process |
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|---|---|
| CN114769456B (en) | 2024-03-22 |
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