CN216989475U - Anti-collision box progressive die stamping forming process layout structure - Google Patents
Anti-collision box progressive die stamping forming process layout structure Download PDFInfo
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- CN216989475U CN216989475U CN202220210051.7U CN202220210051U CN216989475U CN 216989475 U CN216989475 U CN 216989475U CN 202220210051 U CN202220210051 U CN 202220210051U CN 216989475 U CN216989475 U CN 216989475U
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Abstract
The utility model discloses a layout structure of an anti-collision box progressive die stamping forming process, which comprises a first punching process, a convex hull forming process, a second punching and trimming process, a first waste cutting process, an upper bending process, a third punching process, a lower bending process and a second waste cutting and separating process which are sequentially arranged on a material belt along the advancing direction, wherein anti-collision box blanks are arranged in each process, the blanks are connected through a connecting structure, and process holes and positioning holes are formed in the connecting structure. According to the utility model, the original waste material structure between the material loading processes is utilized to form the material connecting structure, and the positioning holes are formed in the waste material, so that the material quota is reduced and the accurate positioning is realized; by adding the fabrication holes and adopting the multi-bending process, the deformation stress is released, so that the quality stability and the production efficiency of the product can be obviously improved, and the occurrence rate of defective products is reduced.
Description
Technical Field
The utility model relates to a layout structure of an anti-collision box progressive die stamping forming process.
Background
Referring to fig. 1, a crash box structure as an automobile component is shown. As shown in fig. 1, the crash box 1 has a rectangular frame structure having a bottom plate, and side plates 12 vertically disposed at both sides of the bottom plate. Wherein, the bottom plate is provided with a rectangular convex hull 11 structure turning and protruding towards the interior of the frame, and the top surface of the convex hull 11 is a plane and is used as the bottom surface of the bottom plate; four through holes 16 which are symmetrically distributed are correspondingly arranged on the two side plates 12, and a first lug part 15 and a second lug part 13 are correspondingly arranged on the end parts of the two side plates 12; wherein, first ear 15 includes two big one little ears that are located second ear 13 both sides to the frame outside turn, be equipped with mounting hole 14 on the second ear 13.
In the early development process of the anti-collision box mold, the problems of the mold manufacturing period, the material utilization rate, the mold manufacturing cost and the like are comprehensively considered, and when the mold is initially designed, a single-process mold is preferably selected. Because the single-process mould has low manufacturing cost and is easy to maintain and produce. However, as the yield increases, the production cost of the parts increases, and more labor, equipment and space are required to be invested. Therefore, how to break through the possible production bottleneck and reduce the production cost becomes a difficult problem to be solved urgently.
In combination with prediction of large single-piece yield, in order to prevent production bottleneck and reduce production cost, progressive die production is preferably considered, so that labor can be saved, and production efficiency is improved.
Therefore, by designing a layout structure of a progressive die stamping forming process for the high-strength anti-collision box part, a progressive die is further manufactured and formed according to the layout structure, and the automatic production of the part can be effectively realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a layout structure of an anti-collision box progressive die stamping forming process.
One technical solution of the present invention to achieve the above object is:
a kind of anti-collision box upgrades the die stamping forming craft stock layout structure, the said anti-collision box includes the bottom plate and locates at the curb plate of the both sides of the said bottom plate vertically, have protruding convex hull structure protruding to the inside on the said bottom plate, there are through holes on the said curb plate, there are first ears and second ears on the end of the said curb plate, the said first ear turns over outwards, there are mounting holes on the said second ear, the said stock layout structure includes the first punching process that is arranged sequentially along the forward direction on the material belt, the convex hull shaping process, the second punching and trimming process, the first waste material process, bend the process on the upper side, the third punching process, bend the process under and the second waste material cutting and separation process, there are anti-collision box blanks on each process, link to each said blank through linking the structure, there are fabrication holes and locating holes on the said linking structure; wherein:
the process holes comprise a first process hole formed in the first punching process and second process holes positioned on the upper side and the lower side of the first process hole, and the positioning holes comprise a first positioning hole formed in the first punching process and a second positioning hole formed in the second punching and trimming process; wherein the second fabrication hole and the first positioning hole are cut from the first scrap cutting process;
the blank in the first punching procedure is of a plane structure;
the middle part of the blank in the convex hull forming procedure protrudes towards the lower part of the material belt to form the convex hull structure;
the upper end and the lower end of the blank in the second punching and trimming process form a plane structure of the first lug part and the second lug part which protrude through trimming;
the waste materials including the second process hole and the first positioning hole between the two blanks in the first waste material cutting process are cut off to form a plane structure of the side plate;
the upward bending procedure forms an upward bending structure of the first lug part;
the third punching process forms a through hole structure on the side plate and a mounting hole structure on the second lug part;
the downward bending procedure forms a downward vertical bending structure of the side plate;
and cutting off waste materials including the first process hole and the second positioning hole between the two blanks in the second waste material cutting and separating process to form the anti-collision box separated from the material belt.
Further, a convex hull shaping process is arranged between the convex hull forming process and the second punching and trimming process, and the shaped convex hull structure is further formed.
Furthermore, an upper bending shaping process is further provided between the upper bending process and the third punching process, and an upward bending structure of the shaped first lug part is further formed.
Further, the lower bending step includes a first lower bending step and a second lower bending step in which a downward pre-bending structure and a vertical bending structure of the side plate with respect to the convex hull structure are formed, respectively.
Further, a lower bending and shaping process is further provided between the second lower bending process and the second scrap cutting and separating process, and a shaped vertical bending structure of the side plate is further formed.
Furthermore, the first fabrication holes and the second fabrication holes are strip-shaped and are arranged along a direction perpendicular to the material belt.
Furthermore, the first positioning hole is arranged on the second fabrication hole, and the second positioning hole is arranged between the first fabrication hole and the second fabrication hole.
Further, the diameter of the first positioning hole is larger than the width of the second process hole and smaller than the length of the second process hole.
Further, first ear is two, locates separately both sides around the second ear.
Compared with the prior art, the utility model has the following advantages:
(1) the original waste material structure between the processes of feeding the material is utilized to form a material connecting structure, the connection between the processes is established, and the material quota is reduced.
(2) The utilization sets up the locating hole on the waste material, when material saving, has realized accurate location again.
(3) By adding the fabrication holes, the deformation stress generated by convex hull punching is released, and the influence of blank deformation on feeding in the stamping process is effectively avoided.
(4) Bending resilience of the part is effectively controlled by using a multi-bending process for side plate forming.
(5) The progressive die is adopted for production, so that the production efficiency can be obviously improved, the quality stability of products is improved, and the occurrence rate of defective products is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a crash box product in the prior art.
Fig. 2 is a schematic layout structure diagram of a progressive die stamping process for an anti-collision box according to a preferred embodiment of the utility model.
Fig. 3 is a schematic layout relationship diagram of the positioning, connecting and waste material areas of the layout structure of the crash box progressive die stamping forming process according to a preferred embodiment of the utility model.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is given with reference to specific embodiments.
Please refer to fig. 1. The present invention is applied to continuous stamping production of the existing crash box product shown in fig. 1. The crash box 1 comprises a bottom plate and side plates 12 vertically positioned at both sides of the bottom plate. The bottom plate is provided with a convex hull 11 structure protruding inwards, and the side plate 12 is provided with a through hole 16. The end of the side plate 12 is provided with a first ear 15 and a second ear 13. The first ear portion 15 is turned outward, and the second ear portion 13 is provided with a mounting hole 14. The first ear portion 15 can be divided into two parts and disposed on the front and rear sides of the second ear portion 13 (distinguished according to the material belt direction during stamping).
Please refer to fig. 2. The utility model discloses a layout structure of an anti-collision box progressive die stamping forming process, which comprises a first punching process A, a convex hull forming process B, a convex hull shaping process C, a second punching and trimming process D, a first waste material cutting process E, an upper bending process F, an upper bending shaping process G, a third punching process H, a lower bending process (comprising a first lower bending process I and a second lower bending process J), a lower bending shaping process K, a second waste material cutting and separating process L and the like, which are sequentially arranged on a material belt 2 in the advancing direction (machining direction) of the material belt 2, so that the process layout structure is formed.
Please refer to fig. 3. Each process is respectively provided with an anti-collision box blank 1'. The blanks 1' are connected with each other through a connecting structure M. The material connecting structure M is provided with a fabrication hole and a positioning hole.
The process holes may include a first process hole 21 initially formed in the first punching process a and two second process holes 23 located at upper and lower sides (as shown) of the first process hole 21. The positioning holes may include two first positioning holes 22 formed at the first punching process a and two second positioning holes 24 formed at the second punching and trimming process D. The second fabrication hole 23 and the first positioning hole 22 on the connecting structure M are cut from the first scrap cutting process E, and only the first fabrication hole 21 and the second positioning hole 24 on the connecting structure M are remained.
Please refer to fig. 2. In the first punching procedure A, a strip-shaped process hole perpendicular to the direction of the material belt 2 is formed between two adjacent blanks 1' on the material belt 2 by utilizing progressive die punching forming. And, the formed fabrication holes may include a second fabrication hole 23, a first fabrication hole 21 and another second fabrication hole 23 that are adjacent end to end in the length direction of the fabrication holes but not connected, so that the three fabrication holes are arranged in a straight line orthogonal to the stepping direction of the material tape 2.
When the process holes are formed, two first positioning holes 22 respectively passing through the second process holes 23 are also synchronously formed, namely the first positioning holes 22 are arranged on the second process holes 23. Preferably, the diameter of the first positioning hole 22 is larger than the width of the strip-shaped second process hole 23, but smaller than the length of the second process hole 23, so as to achieve precise positioning of the moving tape 2.
The boundary of the blank 1' of the crash box 1 product is defined by the area between two adjacent fabrication holes.
The blank 1' in the first punching step a has a planar structure.
Please refer to fig. 2. In the convex hull forming process B, on the basis of the structure formed in the above process, a preformed structure with a convex hull 11 structure protruding below the material belt 2 is formed in the middle of the blank 1', i.e. at the bottom plate position of the crash box 1, by stamping.
And then, through a convex hull shaping process C, further shaping the shape and the size of the preformed structure of the convex hull 11 structure to form the convex hull 11 structure on the anti-collision box 1 product.
Next, in the second punching and trimming step D, in addition to the structure formed in the above-described steps, the upper and lower ends of the blank 1' are trimmed to form a planar structure having the first lug portions 15 and the second lug portions 13 protruding outward. Meanwhile, between the first tooling hole 21 and the second tooling hole 23, a second positioning hole 24 is punched. Two first ear portions 15 respectively provided on the front and rear sides of the second ear portion 13 are interchangeable in position on the side plates 12 on both sides (see fig. 3).
Next, in a first scrap cutting step E, on the basis of the structure formed in the above step, the plane structure of the side panel 12 of the crash box 1 product is formed by cutting away the scrap material between two adjacent blanks 1', including the second tooling holes 23 and the first positioning holes 22, i.e. cutting away the material of the portion of the strip of material 2 located around the second tooling holes 23 and the first positioning holes 22 (refer to fig. 3).
In this step, the two second fabrication holes 23 and the first positioning hole 22 on the connecting structure M on the two sides of the material tape 2 are cut off, and only the first fabrication hole 21 in the middle of the material tape 2 and the two second positioning holes 24 on the upper and lower sides of the first fabrication hole 21 on the connecting structure M are remained (refer to fig. 3).
In the subsequent upper bending step F, in addition to the structure formed in the above-described step, only the first ear portion 15 is bent, thereby forming the structure of the first ear portion 15 bent upward.
Next, the bending angle of the first ear portion 15 is set by the upper bending and shaping step G, and the upward bending structure of the set first ear portion 15 is further formed.
Then, in the third punching step H, in addition to the structure formed in the above-described steps, four corresponding structures of through holes 16 are punched in the two side plates 12 and one structure of mounting holes 14 is punched in the second ear portions 13.
Please refer to fig. 2. In the downward bending step, a downward vertical bending structure of the side plate 12 is formed in addition to the structure formed in the above step.
The lower bending process may include a first lower bending process I and a second lower bending process J. In the first downward bending step I, the side plate 12 is bent at an angle smaller than 90 degrees, and a downward pre-bending structure of the side plate 12 is formed on the strip 2 at an acute angle with respect to the structure (bottom plate) of the convex hull 11. The second lower bending step J performs final shaping and bending on the pre-bent side plate 12, and forms a vertical bending structure of the side plate 12 perpendicular to the convex hull 11 structure on the material tape 2.
Further, the forming angle of the side plate 12 can be further adjusted by the lower bending and shaping process K, and the final size is locked, so that the finally-shaped vertical bending structure of the side plate 12 is formed.
Finally, in the second scrap cutting and separating process L, based on the structure formed in the above process, the blank between two adjacent blanks 1' including the first fabrication hole 21 and the second positioning hole 24 is cut off, that is, the material of the material strip 2 around the first fabrication hole 21 and the second positioning hole 24 is partially cut off, that is, the remaining material connecting structure M is completely cut off, so as to form the crash box 1 product separated from the material strip 2.
Please refer to fig. 3. The stock layout structure of the utility model is respectively provided with a first positioning hole 22 for initial positioning and a second positioning hole 24 for subsequent positioning following the first positioning hole 22.
The material connecting structure M is provided with three areas, namely two overlap areas 25 located at the upper and lower sides of the material strip 2 from the first punching process a, and a material connecting area 26 located between the first fabrication hole 21 and the second fabrication hole 23. The two overlap 25 areas are removed after trimming, and only the connecting area 26 with the first fabrication hole 21 and the second positioning hole 24 in the middle of the material strip 2 is reserved.
The scrap region 27 is formed primarily by the material surrounding the punch holes in the part and the overlap of the part perimeter.
In addition, the strip of material 2 is provided with three process punched holes, namely a first process hole 21 and two second process holes 23. Through increasing the technology and punching a hole, the influence of part deformation on feeding in the punching process is effectively avoided.
According to the layout structure, the first positioning holes 22 are punched out for initial step positioning in the whole punching process. And simultaneously punching a process hole to release the deformation stress generated by punching the convex hull.
And then carrying out convex hull beating and convex hull shaping to form a convex hull 11 structure.
After the convex hull 11 is formed, the continuous material on the two sides of the material belt 2 and the waste material between the blank 1 'and the blank 1' are punched out to form a side plate 12 structure, and a pilot hole (a second positioning hole 24) is punched out to prepare for subsequent positioning.
Then, the first ear 15 of the side plate 12 is formed by upward bending and upward bending shaping. The following is a further punching operation, in which all the through holes 16 and the mounting holes 14 are punched out at once, ensuring the relative positions of the holes.
Then, the side plates 12 on both sides are bent twice, and then the final size is locked by passing through a shaping station.
And finally, separating the blank 1' and punching out the part product of the anti-collision box 1.
In conclusion, the utility model realizes the maximum raw material saving by reasonably arranging the lapping and positioning of the part blank, effectively avoids the influence of part deformation on feeding in the stamping process by increasing the process punching, and effectively controls the bending resilience of the part by using the multi-time bending process.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that the changes and modifications of the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (9)
1. A kind of anti-collision box upgrades the mould punching press and takes shape the craft stock layout structure, the said anti-collision box includes the bottom plate and locates at the lateral plate of the both sides of the said bottom plate vertically, have protruding convex hull structure to the inside on the said bottom plate, there are through holes on the said lateral plate, there are first ears and second ears on the end of the said lateral plate, the said first ear is turned over outwardly, there are mounting holes on the said second ear, characterized by that, the said stock layout structure includes the first punching process arranged sequentially along the forward direction on the stock tape, the convex hull takes shape the process, the second punches a hole and cuts the edge process, the first scrap material process, bend the process upwards, the third punching process, bend the process downwards, and the second scrap material cutting and separation process, there are anti-collision box blanks on each process, link between each said blank through linking the material structure, there are fabrication holes and locating holes on the said linking structure; wherein:
the process holes comprise a first process hole formed in the first punching process and second process holes positioned on the upper side and the lower side of the first process hole, and the positioning holes comprise a first positioning hole formed in the first punching process and a second positioning hole formed in the second punching and trimming process; wherein the second fabrication hole and the first positioning hole are cut from the first scrap cutting process;
the blank in the first punching process is of a planar structure;
the middle part of the blank in the convex hull forming procedure protrudes towards the lower part of the material belt to form the convex hull structure;
the upper end and the lower end of the blank in the second punching and trimming procedure form a plane structure of the first lug part and the second lug part which protrude through trimming;
the waste materials including the second process hole and the first positioning hole between the two blanks in the first waste material cutting process are cut off to form a plane structure of the side plate;
the upward bending procedure forms an upward bending structure of the first lug part;
the third punching process forms a through hole structure on the side plate and a mounting hole structure on the second lug part;
the downward bending procedure forms a downward vertical bending structure of the side plate;
and cutting off waste materials including the first process hole and the second positioning hole between the two blanks in the second waste material cutting and separating process to form the anti-collision box separated from the material belt.
2. The crash box progressive die stamping process layout structure according to claim 1, wherein a convex hull shaping process is further provided between the convex hull forming process and the second punching and trimming process, which further forms the shaped convex hull structure.
3. The crash box progressive die stamping forming process layout structure according to claim 1, wherein an upper bending and shaping process is further provided between the upper bending process and the third punching process, which further forms an upward bending structure of the shaped first ear portion.
4. The crash box progressive die press forming process layout structure of claim 1, wherein said down-bending process comprises a first down-bending process and a second down-bending process, which form a downward pre-bending structure and a vertical bending structure of said side panel with respect to said convex hull structure, respectively.
5. The crash box progressive die stamping process layout structure according to claim 4, wherein a lower bending and shaping process is further provided between the second lower bending process and the second scrap cutting and separating process, which further forms a shaped vertical bending structure of the side panel.
6. The crash box progressive die stamping process layout structure according to claim 1, wherein the first process holes and the second process holes are strip-shaped and arranged in a direction perpendicular to the material strip.
7. The crash box progressive die stamping process layout structure as claimed in claim 1, wherein the first positioning hole is provided on the second process hole, and the second positioning hole is provided between the first process hole and the second process hole.
8. The crash box progressive die stamping process layout structure of claim 7, wherein a diameter of the first locating hole is greater than a width of the second process hole and less than a length of the second process hole.
9. The crash box progressive die stamping process layout structure according to claim 1, wherein the number of the first ear portions is two, and the first ear portions are respectively disposed on the front side and the rear side of the second ear portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210051.7U CN216989475U (en) | 2022-01-26 | 2022-01-26 | Anti-collision box progressive die stamping forming process layout structure |
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| CN202220210051.7U CN216989475U (en) | 2022-01-26 | 2022-01-26 | Anti-collision box progressive die stamping forming process layout structure |
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| CN216989475U true CN216989475U (en) | 2022-07-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951438A (en) * | 2022-07-26 | 2022-08-30 | 苏州铭峰精密机械有限公司 | Continuous forming method of T-shaped bending workpiece |
| CN116871406A (en) * | 2023-09-06 | 2023-10-13 | 武汉飞特电气有限公司 | Solder card processing technology and solder card |
-
2022
- 2022-01-26 CN CN202220210051.7U patent/CN216989475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951438A (en) * | 2022-07-26 | 2022-08-30 | 苏州铭峰精密机械有限公司 | Continuous forming method of T-shaped bending workpiece |
| CN116871406A (en) * | 2023-09-06 | 2023-10-13 | 武汉飞特电气有限公司 | Solder card processing technology and solder card |
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