CN114985622B - Beam end machining method - Google Patents
Beam end machining method Download PDFInfo
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- CN114985622B CN114985622B CN202210565938.2A CN202210565938A CN114985622B CN 114985622 B CN114985622 B CN 114985622B CN 202210565938 A CN202210565938 A CN 202210565938A CN 114985622 B CN114985622 B CN 114985622B
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- trimming
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- area
- sheet metal
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000003754 machining Methods 0.000 title claims description 16
- 238000009966 trimming Methods 0.000 claims abstract description 183
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 239000002699 waste material Substances 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims description 47
- 238000003672 processing method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
- B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
- B21D47/01—Making rigid structural elements or units, e.g. honeycomb structures beams or pillars
-
- 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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
-
- 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
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses a beam end processing method, which comprises the following steps: the method comprises the steps of firstly trimming and cutting a main contour trimming area which meets the trimming angle of a product edge, primarily cutting the notch trimming area which does not meet the trimming angle of the product edge along part of the notch edge when cutting waste materials for the first time, trimming the rest notch edge along the product until the rest notch edge is connected with the part of the notch edge when cutting the edge for the second time, cutting waste materials corresponding to the notch trimming area, primarily cutting the waste materials which do not meet the trimming angle of the product edge, trimming the rest notch edge along the product until the rest notch edge is connected with the part of the notch edge, and carrying out step-by-step treatment so as to solve the problem that the trimming insert of the wedge is easy to collapse when the trimming angle is smaller in the existing beam end processing method.
Description
Technical Field
The invention relates to the technical field of cold stamping processes of automobile parts, in particular to a beam end machining method.
Background
In the field of cold stamping manufacturing of automobile sheet metal, in order to obtain better part quality, a drawing forming process is generally adopted for parts with relatively complex part structures. In order to realize drawing or create good drawing conditions, a drawing process complementary surface needs to be designed, the process complementary surface is cut off through a trimming procedure after drawing forming, and the final part is obtained through procedures such as flanging, shaping, punching and the like. In order to ensure the strength of the lower automobile body, the ends of automobile beam parts are in lap joint with other parts such as longitudinal beams, so that a frame structure is formed, and the strength requirement is met.
In the trimming procedure, generally, the vertical trimming is adopted, wherein the movement direction of the trimming insert is consistent with the movement direction of the press, and the included angle between the profile where part of trimming lines are positioned and the movement direction of the press is small, namely, when the trimming angle is small, the strength of the cutting edge of the trimming insert of the lower die is poor, the edge is easy to collapse, the line is stopped, the number of times of insert maintenance is large, the maintenance cost is high, the trimming angle is small, burrs of parts are large, special polishing stations are required to be arranged, and each workpiece is polished, so that the production cost is high.
Disclosure of Invention
The invention mainly aims to provide a beam end machining method, which aims to solve the problem that when the machining cutting angle of the existing beam end machining method is smaller, the trimming insert of the wedge is easy to collapse.
In order to achieve the above object, the present invention provides a method for processing a beam end, wherein the method for processing a beam end includes:
providing a sheet metal part, wherein the sheet metal part comprises a product forming area and a waste area, and the waste area comprises a main contour trimming area meeting the trimming angle of a product edge and a notch trimming area not meeting the trimming angle of the product edge;
primary trimming: trimming the sheet metal part along the main contour edge of the product in the scrap area correspondingly, cutting off the main contour trimming area, and performing primary cutting treatment on the sheet metal part along part of the notch edge of the product in the notch trimming area correspondingly;
secondary trimming: and trimming the notch edge trimming area along the rest notch edge lines of the product until the notch edge lines are connected with part of the notch edge lines, so as to cut off the waste corresponding to the notch edge trimming area.
Optionally, the product edge trimming angle is a, wherein a is more than or equal to 70 degrees.
Optionally, the step of performing the primary cutting treatment on the sheet metal part along the partial notch edge line of the product in the notch trimming area includes:
and forming a notch along the edge of the notch edge line to form a precut line.
Optionally, after the step of "cutting along the edge of the notch edge to form a precut line", the method includes:
and separating and dislocation processing is carried out on the two side edges of the sheet metal part corresponding to the precut line, so that the incision width of the incision between the two side edges is increased to a preset width.
Optionally, the notch edge line includes a first edge line and a second edge line, the first edge line and the second edge line are oppositely arranged on a plane where the sheet metal part is located, and the pre-cut line includes the first edge line;
the secondary trimming: trimming along the rest notch edge of the product to be connected with the part of notch edge corresponding to the notch trimming area so as to cut off the waste corresponding to the notch trimming area, wherein the method comprises the following steps:
and trimming the sheet metal part along the second side line until the sheet metal part is connected with the first side line.
Optionally, the preset width is H, wherein H is more than 3mm and less than or equal to 10mm.
Optionally, the trimming width of the notch trimming area is W, and the length of the notch trimming area is L, wherein L/W is less than 5.
Optionally, the trimming width of the notch trimming area is larger than the radius of a round angle spanned by the notch, wherein W is more than or equal to 5mm.
Optionally, the trimming width of the notch trimming area is gradually reduced from the edge of the sheet metal part to the middle part of the sheet metal part.
Optionally, the "secondary trimming: and trimming along the rest notch edge of the product until the notch edge is connected with the part of notch edge, wherein after the step of cutting off the waste corresponding to the notch trimming area for secondary trimming, the method further comprises the following steps:
folding the folded edges formed at the sides of the notch trimming areas.
According to the technical scheme provided by the invention, the sheet metal part is subjected to twice trimming treatment, the main contour trimming area meeting the trimming angle of the product edge is subjected to trimming and cutting firstly, the notch trimming area which does not meet the trimming angle of the product edge is subjected to primary trimming treatment along part of the notch edge when the first trimming waste is cut off, and the rest notch edge of the product is trimmed until the rest notch edge is connected with the part of the notch edge when the second trimming is carried out, so that the waste corresponding to the notch trimming area is cut off, and the problem that the trimming insert of the wedge is prone to edge collapse is solved by primarily cutting the waste which does not meet the trimming angle of the product edge, trimming along the rest notch edge of the product until the rest notch edge is connected with the part of the notch edge and carrying out step-by-step treatment when the trimming angle is smaller in the traditional beam end processing method.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a prior art beam head;
FIG. 2 is a schematic view of the conventional beam ends of FIG. 1 with OP20 trimming along product edges;
FIG. 3 is a schematic view of the OP30 wedge trimming performed after the OP20 is achieved at the end of the beam of FIG. 2;
FIG. 4 is a schematic diagram of the OP40 wedge flanging performed after the OP30 is implemented at the end of the cross beam in FIG. 3;
FIG. 5 is a schematic view of one embodiment of the OP20 trimming along product edges and pre-cut lines provided by the present invention;
FIG. 6 is a schematic cross-sectional view taken along E-E in FIG. 5;
FIG. 7 is a schematic view of the beam end of FIG. 5 after OP20 is achieved and the split dislocation is performed;
FIG. 8 is an enlarged schematic view of the portion X in FIG. 7;
FIG. 9 is a schematic illustration of OP30 wedge trimming after the beam ends of FIG. 7 are separated from one another to provide a split dislocation;
FIG. 10 is a schematic diagram of the OP40 wedge flanging performed after the OP30 is implemented at the end of the cross beam in FIG. 9;
FIG. 11 is a schematic perspective view of a sheet metal part forming product;
FIG. 12 is a schematic flow chart of an embodiment of a method for machining a beam end according to the present invention;
fig. 13 is a schematic flow chart of another embodiment of the beam end processing method provided by the invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Cross beam end joint surface | 2 | Side wall surface of cross beam |
| 3 | Upper end face of beam |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In the field of cold stamping manufacturing of automobile sheet metal, in order to obtain better part quality, a drawing forming process is generally adopted for parts with relatively complex part structures. In order to realize drawing or create good drawing conditions, a drawing process complementary surface needs to be designed, the process complementary surface is cut off through a trimming procedure after drawing forming, and the final part is obtained through procedures such as flanging, shaping, punching and the like. In order to ensure the strength of the lower automobile body, the ends of automobile beam parts are in lap joint with other parts such as longitudinal beams, so that a frame structure is formed, and the strength requirement is met. In the trimming procedure, generally, the vertical trimming is adopted, wherein the movement direction of the trimming insert is consistent with the movement direction of the press, and the included angle between the profile where part of trimming lines are positioned and the movement direction of the press is small, namely, when the trimming angle is small, the strength of the cutting edge of the trimming insert of the lower die is poor, the edge is easy to collapse, the line is stopped, the number of times of insert maintenance is large, the maintenance cost is high, the trimming angle is small, burrs of parts are large, special polishing stations are required to be arranged, and each workpiece is polished, so that the production cost is high.
Referring to fig. 1, taking the sheet metal part shown in fig. 1 as an example, the plane of the beam end overlap surface 1 is substantially perpendicular to the plane of the beam upper end surface 3, the plane of the beam end overlap surface 1 is also substantially perpendicular to the plane of the beam side wall surface 2, and the junction between the beam end overlap surface 1 and the beam side wall surface 2 is a rounded chamfer, so that the structure of the part end is complex, and the stamping manufacturing process is difficult. The traditional process at the end of the beam is as follows: OP10 drawing, OP20 trimming, OP30 wedge trimming and OP40 wedge flanging; the trimming is performed twice, and the trimming line of the OP20 procedure is connected with the trimming line on the side wall surface after passing through the tangent point A 'of the corner R' as shown in figure 2, so as to form the trimming line of the OP 20; and (3) continuing to cut edges on the basis of the OP20 working procedure, wherein as shown in fig. 3, the OP30 wedge edge cutting line and the OP20 edge cutting line are intersected at the point A 'and the point B', so that the rest of the drawing process supplementing surface is completely cut, the OP40 is subjected to wedge flanging, and the working procedure is completed to obtain the final part.
However, when the OP20 trimming is performed, the movement direction of the edge needs to be perpendicular to the upper end face 3 of the cross beam, about 90 ° ± 20 °, and when exceeding this range, the insert strength is poor, and the trimming burr is large, so that the trimming effect is poor. The edge of the unfolded notch spans across the upper end face 3 of the cross beam and the lap joint face 1 of the end of the cross beam, and the edge trimming angle of the notch is out of tolerance, so that the edge is trimmed in the moving direction perpendicular to the lap joint face 1 of the end of the cross beam after being unfolded through the wedge, at the moment, the included angle between the moving direction of the wedge and the plane where the section A 'C' is located is about 20-30 degrees, but the trimming angle is too small, and the cutting edge of the trimming insert is easily broken.
In order to solve the above-mentioned problems, the present invention provides a method for machining a beam end, and fig. 12 is a schematic diagram of an embodiment of the method for machining a beam end according to the present invention.
Referring to fig. 5 to 9, the beam end processing method includes:
step S10, providing a sheet metal part, wherein the sheet metal part comprises a product forming area and a waste area, and the waste area comprises a main contour trimming area meeting the trimming angle of a product edge and a notch trimming area not meeting the trimming angle of the product edge;
step S20, primary trimming: trimming the sheet metal part along the main contour edge of the product in the scrap area correspondingly, cutting off the main contour trimming area, and performing primary cutting treatment on the sheet metal part along part of the notch edge of the product in the notch trimming area correspondingly;
step S30, secondary trimming: and trimming the notch edge trimming area along the rest notch edge lines of the product until the notch edge lines are connected with part of the notch edge lines, so as to cut off the waste corresponding to the notch edge trimming area.
In the technical scheme provided by the invention, a sheet metal part is subjected to twice trimming treatment, please refer to fig. 5, firstly, a main contour trimming area meeting the trimming angle of a product edge is subjected to trimming cutting, and when trimming waste materials for the first time, a notch trimming area not meeting the trimming angle of the product edge is subjected to primary cutting treatment along part of the notch edge, and please refer to fig. 6 and 8, and when trimming for the second time, the rest notch edge of the product is trimmed to be connected with the part of the notch edge, so that waste materials corresponding to the notch trimming area are cut, and the waste materials not meeting the trimming angle of the product edge are subjected to primary cutting treatment firstly, then the rest notch edge of the product is trimmed to be connected with the part of the notch edge, and the trimming is carried out step by step, so that the problem that when the processing angle of the end processing method of the existing cross beam is smaller, the trimming insert of the wedge is easy to collapse is solved.
Specifically, since the invention is slightly modified based on the original process, when the wedge is used for trimming a sheet metal part with a trimming angle in the range of 20 ° -30 °, the trimming effect is poor, and in order to solve the problem of small trimming angle, the trimming area of the original main profile and the trimming area of the wedge are re-divided in the direction of the movement of the press, referring to fig. 5 and 6, in this embodiment, the trimming angle of the product edge is a, wherein a is greater than or equal to 70 °. Namely, an area with the product edge trimming angle of the sheet metal part being larger than or equal to 70 degrees can be divided into the main contour trimming area, an area with the product edge trimming angle of the sheet metal part being smaller than 70 degrees can be divided into the notch trimming area, and primary cutting treatment is carried out on the area of the notch trimming area.
Specifically, referring to fig. 13, in another embodiment of a method for machining a beam end, step S20 includes:
and S21, cutting along the edge of the notch edge line to form a precut line.
Referring to fig. 5, in order to reduce the trimming step, the primary cutting process may be to cut a notch along the edge of the notch edge, that is, at the boundary between the notch edge trimming area and the main contour edge trimming area, and pre-cut the notch edge trimming area to form a pre-cut line. Therefore, only the edge line of the AD section of the notch is precut, the trimming angle of the precutting blade meets the requirement of 90 DEG + -20 DEG trimming angle, the blade strength is good, and the blade is protected from being broken easily.
Specifically, step S21 includes, after:
and S22, separating and dislocation processing is carried out on the two sides of the sheet metal part corresponding to the pre-cut line, so that the incision width of the incision between the two sides is increased to a preset width.
Referring to fig. 7 and 8, because the two sides of the sheet metal part corresponding to the precut line are closer after the precut line is primarily cut, in order to enable the cutting edge of the cam to conveniently extend into the notch waste material cut by the cam to smoothly fall, the two sides of the sheet metal part corresponding to the precut line need to be separated and misplaced, namely the sheet metal part can be moved downwards through the trimming insert and the notch trimming area is arranged, when the trimming insert moves downwards, the notch trimming area corresponding to the point a is pressed downwards, so that the point a moves to the point A1, and the width of the notch between the point a and the point a reaches the point a, the cam cutting edge can extend into the notch waste material to be subjected to the next trimming, and the notch waste material can fall.
Specifically, in this embodiment, the preset width is H, where 3mm < h+.10mm. Therefore, the wedge blade can extend into the notch, does not interfere with the AC section of the precut line, and can conveniently cut the rest part of the notch edge corresponding to the notch trimming area.
Further, in order to match the working conditions and strength requirements of the wedge blade, in this embodiment, the shape of the notch trimming area needs to be defined to be that the trimming width of the notch trimming area is W, and the length of the notch trimming area is L, where L/W is less than 5, preferably, in order to ensure the strength of the wedge blade, the trimming width of the notch trimming area may be set to be greater than the radius of the fillet spanned by the notch, where W is greater than or equal to 5mm.
Specifically, in this embodiment, the notch edge includes a first edge and a second edge, where the first edge and the second edge are disposed opposite to each other on a plane where the sheet metal part is located, and the pre-cut line includes the first edge;
step S30 includes:
and trimming the sheet metal part along the second side line until the sheet metal part is connected with the first side line.
Referring to fig. 9, in the above step, after pre-cutting the AD section along the first edge, in order to cut the notch trimming area (the area corresponding to the shadow portion) at a time with high efficiency, the wedge blade may be trimmed along the second edge DB section, so that all the areas of the notch trimming area are completely cut off, and a folded edge to be folded is formed beside the notch trimming area.
It should be noted that, when the fillet chamfer of the sheet metal part has a plurality of positions, the sheet metal part can be divided into a plurality of main profile trimming areas and a plurality of notch trimming areas according to the method described above.
Further, in this embodiment, the trimming width of breach trimming district is followed the edge of sheet metal component to the middle part of sheet metal component is the convergent setting, so sets up the intensity that makes the insert better, is difficult for being broken.
Further, in order to enable the sheet metal part to be formed into a shape required by a finished product, after step S30, the method further includes:
s40, folding the folded edges formed at the sides of the notch trimming area.
Referring to fig. 9 and 10, corresponding to section DF of the drawings, is provided as a fold that is turned over to enable the beam ends to be ultimately formed into a desired shape.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (6)
1. A method of machining a beam end, comprising:
providing a sheet metal part, wherein the sheet metal part comprises a product forming area and a waste area, and the waste area comprises a main contour trimming area meeting the trimming angle of a product edge and a notch trimming area not meeting the trimming angle of the product edge;
primary trimming: trimming the sheet metal part along the main contour edge of the product in the scrap area correspondingly, cutting off the main contour trimming area, and performing primary cutting treatment on the sheet metal part along part of the notch edge of the product in the notch trimming area correspondingly;
secondary trimming: trimming the waste material corresponding to the notch trimming area along the rest notch edge lines of the product until the waste material is connected with part of the notch edge lines, wherein the notch edge lines correspond to the notch trimming area;
the step of performing primary cutting treatment on the sheet metal part along part of the notch edge line of the product correspondingly in the notch edge trimming area comprises the following steps of:
a notch is formed along the edge of the notch edge line so as to form a precut line;
separating and dislocation processing is carried out on two side edges of the sheet metal part corresponding to the pre-cut line, so that the incision width of the incision between the two side edges is increased to a preset width;
the notch side line comprises a first side line and a second side line, the first side line and the second side line are oppositely arranged on the plane where the sheet metal part is located, and the pre-cut line comprises the first side line;
the secondary trimming: trimming along the rest notch edge of the product to be connected with the part of notch edge corresponding to the notch trimming area so as to cut off the waste corresponding to the notch trimming area, wherein the method comprises the following steps:
trimming the sheet metal part along the second side line until the sheet metal part is connected with the first side line;
the secondary trimming: and trimming along the rest notch edge of the product until the notch edge is connected with the part of notch edge, wherein after the step of cutting off the waste corresponding to the notch trimming area for secondary trimming, the method further comprises the following steps:
folding the folded edges formed at the sides of the notch trimming areas.
2. The beam end machining method according to claim 1, wherein the product edge trimming angle is a, wherein a is equal to or greater than 70 °.
3. The beam end machining method according to claim 1, wherein the preset width is H, wherein 3mm < H is 10mm or less.
4. The beam-end machining method according to claim 1, wherein the trimming width of the notch trimming area is W, and the length of the notch trimming area is L, wherein L/W < 5.
5. The beam end machining method of claim 4, wherein the trimming width of the notch trimming area is greater than the corner radius spanned by the notch, wherein W is greater than or equal to 5mm.
6. The beam end machining method according to claim 1, wherein the trimming width of the notch trimming area is tapered from the edge of the sheet metal member to the middle of the sheet metal member.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210565938.2A CN114985622B (en) | 2022-05-23 | 2022-05-23 | Beam end machining method |
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| CN202210565938.2A CN114985622B (en) | 2022-05-23 | 2022-05-23 | Beam end machining method |
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| CN114985622A CN114985622A (en) | 2022-09-02 |
| CN114985622B true CN114985622B (en) | 2024-03-22 |
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| CN101486061A (en) * | 2009-02-24 | 2009-07-22 | 山东大学 | Thermoforming, hole-punching and edge-cutting integrated technique and mold of high-duty steel part |
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| CN107952863A (en) * | 2017-11-30 | 2018-04-24 | 重庆安亚模具制造有限公司 | A kind of automobile reinforcer Trimming Die |
| CN112058994A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Trimming method for automobile tail lamp installation seat plate and notch cutter block structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10486215B2 (en) * | 2017-06-16 | 2019-11-26 | Ford Motor Company | Apparatus and method for piercing and trimming hot stamped parts |
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2022
- 2022-05-23 CN CN202210565938.2A patent/CN114985622B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101486061A (en) * | 2009-02-24 | 2009-07-22 | 山东大学 | Thermoforming, hole-punching and edge-cutting integrated technique and mold of high-duty steel part |
| CN203565651U (en) * | 2013-10-22 | 2014-04-30 | 东莞市中泰模具股份有限公司 | Trimming forming structure |
| CN104084474A (en) * | 2014-06-19 | 2014-10-08 | 东风本田汽车有限公司 | Cold stamping trimming die |
| CN106111766A (en) * | 2016-08-24 | 2016-11-16 | 泉州市双塔汽车零件有限公司 | A kind of oil sump side curved edges trimmer |
| CN107952863A (en) * | 2017-11-30 | 2018-04-24 | 重庆安亚模具制造有限公司 | A kind of automobile reinforcer Trimming Die |
| CN112058994A (en) * | 2020-08-31 | 2020-12-11 | 安徽江淮汽车集团股份有限公司 | Trimming method for automobile tail lamp installation seat plate and notch cutter block structure |
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| CN114985622A (en) | 2022-09-02 |
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