Door outer plate mold

Abstract

The utility model discloses a door outer plate mould which comprises a mould body and positioning columns arranged on the mould body, the number of the positioning columns is at least two, the positioning columns comprise the first positioning column and the second positioning column, the mould body is used for bearing at least one door outer plate, the door outer plate is provided with a column A and a column B, and the column B is used for bearing the door outer plate. The first positioning column is located at the position, bearing a column A of the door outer plate, of the mold body so as to position the door outer plate from the position of the column A, and the second positioning column is located at the position, bearing a column B of the door outer plate, of the mold body so as to position the door outer plate from the position of the column B. According to the technical scheme provided by the utility model, the technical problems that in the use process of a die in the prior art, the springback of a water cutting position is relatively large, the positioning cannot play a role, and the rejection rate of parts caused by poor flanging of the parts is increased can be solved.

Description

Technical Field

[0001] This utility model relates to the field of automotive technology, and in particular to a door outer panel mold. Background Technology

[0002] As an important part of the vehicle body, the stamping process and mold design of the front and rear door outer panels are particularly important. When stamping the door outer panels, the panels need to be fixed to the mold. In the process of using the existing molds, the springback at the water-cutting position is large, and the positioning cannot play a role, which increases the chance of poor flanging of parts and thus scrapping the parts. Utility Model Content

[0003] This utility model provides a door outer panel mold, which aims to effectively solve the technical problem in the prior art where the water-cutting position of the mold has a large springback during use, the positioning cannot play a role, and the probability of the part being scrapped due to poor flanging is increased.

[0004] This utility model provides a door outer panel mold, including a mold body and positioning posts disposed on the mold body, wherein there are at least two positioning posts, including a first positioning post and a second positioning post. The mold body is used to support at least one door outer panel. The door outer panel has an A post and a B post. The first positioning post is located at the position of the A post on the mold body supporting the door outer panel, so as to position the door outer panel from the position of the A post. The second positioning post is located at the position of the B post on the mold body supporting the door outer panel, so as to position the door outer panel from the position of the B post.

[0005] Through one or more embodiments of the above-described embodiments of this utility model, at least the following technical effects can be achieved:

[0006] In the technical solution disclosed in this utility model, positioning posts are set at the A and B posts of the outer door panel for positioning. Due to the change in the position of the positioning posts, the water-cutting position of the outer door panel is farther away from the positioning posts, resulting in less rebound of the positioning posts, thereby improving the positioning stability of the positioning posts and reducing the probability of parts being scrapped due to poor edge turning. Attached Figure Description

[0007] The technical solution and other beneficial effects of this utility model will become apparent from the following detailed description of specific embodiments in conjunction with the accompanying drawings.

[0008] Figure 1 A structural diagram of the door outer panel mold assembled with the door outer panel is provided for the embodiments of this utility model;

[0009] Figure 2 This is a front view of the positioning post of the door outer panel mold provided in an embodiment of the present utility model;

[0010] Figure 3 A top view of the positioning post of the door outer panel mold provided in this embodiment of the utility model.

[0011] Figure label:

[0012] 1. Mold body; 2. Positioning post; 21. First positioning post; 22. Second positioning post; 3. Outer panel; 31. A-pillar; 32. B-pillar; 211. Base; 212. Protruding post; 213. Base part; 214. Conical part; 215. Clearance groove; 216. Cavity; 217. Mounting shaft. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0014] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "and / or" in this document is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Furthermore, the character " / " in this document, unless otherwise specified, generally indicates that the preceding and following related objects have an "or" relationship.

[0015] As a process equipment in automobile production, the quality of automotive exterior panel molds and the level of stamping production directly affect the quality of subsequent processes. The front and rear door outer panels, as important components of the vehicle body, require particularly sophisticated stamping processes and mold design. During stamping and other processes, the door outer panels need to be fixed to the mold. However, existing molds exhibit significant springback at the water-cutting point, rendering positioning ineffective and increasing the likelihood of poor flanging and part scrap.

[0016] To address the aforementioned issues, this utility model provides a door outer panel mold that improves the stability of the positioning post and reduces the likelihood of parts being scrapped due to poor flanging.

[0017] Figure 1The diagram shows a schematic representation of the assembly structure of the door outer panel mold and the door outer panel provided in this embodiment of the present invention. The door outer panel mold includes a mold body 1 and positioning posts 2 disposed on the mold body 1. There are at least two positioning posts 2, including a first positioning post 21 and a second positioning post 22. The mold body 1 is used to support at least one door outer panel 3. The door outer panel 3 has an A post 31 and a B post 32. The first positioning post 21 is located at the position of the A post 31 on the mold body 1 that supports the door outer panel 3, so as to position the door outer panel 3 from the position of the A post 31. The second positioning post 22 is located at the position of the B post 32 on the mold body 1 that supports the door outer panel 3, so as to position the door outer panel 3 from the position of the B post 32.

[0018] It should be noted that the door outer panel mold provided in this embodiment is a four-outlet mold, meaning it can simultaneously support four front door outer panels or four rear door outer panels. Figure 1 The illustration shows the case where the front door outer panel 3 is supported; the case of the rear door outer panel is not shown in this embodiment.

[0019] Therefore, the door outer panel mold provided in this embodiment positions the positioning pins 2 at the A-pin 31 and B-pin 32 positions of the door outer panel 3 respectively. Due to the change in the position of the positioning pins 2, the water-cutting position of the door outer panel 3 is farther away from the positioning pins 2, resulting in less springback of the positioning pins 2, thereby improving the positioning stability of the positioning pins 2 and reducing the probability of parts being scrapped due to poor flanging.

[0020] In addition, the door outer panel mold provided in this embodiment is a four-outlet mold, which can carry four front door outer panels 3 or rear door outer panels 3. This allows four door outer panels 3 to be processed at the same time during stamping, which greatly improves production efficiency.

[0021] When stamping the outer door panel 3, the first step is to perform a drawing process on the outer door panel 3. This process requires strict control of the gap between the die and the punch to avoid defects such as wrinkling and springback. The outer door panel mold provided in this embodiment also includes a positioning pin, and the diameter of the positioning pin is 16mm.

[0022] Please see Figure 2 and Figure 3 In some embodiments, the first positioning post 21 includes a base 211 and a protrusion 212. The base 211 is fixedly assembled with the mold body 1, and the protrusion 212 is disposed on the side of the base 211 away from the mold body 1 to form a protrusion on the base 211 and position the outer door panel 3.

[0023] In this embodiment, the base 211 is used for fixed assembly with the mold body 1 and will not spring back, while the protrusion 212 can spring back, and only the protrusion 212 will spring back, so that the overall springback of the first positioning post 21 is small. By dividing the positioning post 2 into the base 211 and the protrusion 212, the springback of the first positioning post 21 can be reduced.

[0024] Please see Figure 2 and Figure 3 In some embodiments, the base 211 is cylindrical, and the diameter r1 of the base 211 is 16mm to 21mm, and the height d1 of the base 211 is 15mm to 20mm.

[0025] In this embodiment, the diameter r1 is selected as 21mm and the height d1 is selected as 20mm. In other embodiments, the diameter r1 can also be selected as other sizes, such as 17mm, 18mm, 19mm, 20mm, etc., and the height d1 can also be selected as other sizes, such as 15mm, 16mm, 17mm, 18mm, 19mm, etc. It should be noted that this embodiment only provides limited examples of the values ​​of r1 and d1, and does not mean that r1 and d1 are limited to the values ​​mentioned above. As long as r1 is within the range of 16mm to 21mm and d1 is within the range of 15mm to 20mm, they are all within the protection scope of this application.

[0026] In this embodiment, by setting the base 211 as a cylinder, the bottom surface of the base 211 is circular. With the same perimeter, a circle has a larger area than polygons such as triangles and rectangles, and the geometric shape of a circle is more rounded. This prevents sharp corners from scratching the colliding unit when a collision occurs, thereby reducing the yield of the processed parts.

[0027] In some embodiments, the protruding post 212 includes a base portion 213 and a conical portion 214. The base portion 213 is disposed on the base 211, and the conical portion 214 is disposed on the side of the base portion 213 away from the base 211. The conical portion 214 is conical in shape, and the bottom surface of the conical portion 214 is in contact with the base portion 213.

[0028] In this embodiment, the base part 213 can ensure the stability of the protrusion 212, and the base part 213 can also block the outer door panel 3 to form a positioning function, while the conical part 214 can deform to form a springback. However, the springback of the conical part 214 is small, thereby improving the positioning function.

[0029] In other embodiments, the protruding post 212 may also include a base portion 213 and a frustum portion, the base portion 213 being disposed on the base 211, and the conical portion 214 being disposed on the side of the base portion 213 away from the base 211, wherein the frustum portion is frustum-shaped, and the larger bottom surface of the frustum portion is in contact with the base portion 213.

[0030] In this embodiment, the frustum-shaped portion ensures that the top of the frustum has no sharp corners, thereby reducing the probability of the protrusion 212 scratching the part.

[0031] In some embodiments, the bottom diameter r2 of the conical portion 214 is 15mm to 17mm.

[0032] In this embodiment, the diameter r2 is 15.8 mm. In other embodiments, the diameter r2 can also be 15 mm, 15.2 mm, 15.4 mm, 15.6 mm, 15.8 mm, 16.0 mm, 16.2 mm, 16.4 mm, 16.8 mm, 17 mm, etc. It should be noted that this embodiment only provides limited examples of the value of r2 and does not mean that r2 is limited to the above values. As long as r2 is within the range of 15 mm to 17 mm, it is within the protection scope of this application.

[0033] In some embodiments, the base portion 213 is cylindrical, and the diameter r3 of the base portion 213 is 15.8 mm, and the base portion 213 is completely fitted with the base 211 of the conical portion 214.

[0034] In this embodiment, the diameter r3 is 15.8 mm. In other embodiments, the diameter r3 can also be 15 mm, 15.2 mm, 15.4 mm, 15.6 mm, 15.8 mm, 16.0 mm, 16.2 mm, 16.4 mm, 16.8 mm, 17 mm, etc. It should be noted that this embodiment only provides limited examples of the value of r3 and does not mean that r3 is limited to the above values. As long as r3 is within the range of 15 mm to 17 mm, it is within the protection scope of this application.

[0035] In this embodiment, the diameter of the base portion 213 is the same as the diameter of the conical portion 214, so that the base portion 213 and the base 211 of the cylindrical portion can fit together completely, thereby improving the stability of the conical portion 214 when subjected to force.

[0036] In some embodiments, the side of the conical portion 214 has an annular clearance groove 215, and the distance d2 of the clearance groove 215 from the side near the base portion 213 to the top of the conical portion 214 is 20mm-25mm.

[0037] In this embodiment, the distance d2 is 22mm. In other embodiments, the distance d2 can also be 20mm, 21mm, 23mm, 24mm, 25mm, etc. It should be noted that this embodiment only provides limited examples of the value of d2 and does not mean that d2 is limited to the above values. As long as d2 is within the range of 20mm-25mm, it is within the protection scope of this application.

[0038] In this embodiment, the clearance groove 215 can avoid the processing tool when processing the outer door panel 3, thereby reducing the collision area between the first fixed post and the processing tool, reducing the collision force received by the first fixed post, and thus further reducing the rebound force of the first fixed post.

[0039] In some embodiments, the base 211 has a cavity 216 recessed into the base 211 on one side where the protrusion 212 is fixed. The protrusion 212 also includes a mounting shaft 217, which is adapted to the cavity 216 so that the protrusion 212 is mounted on the base 211 via the mounting shaft 217.

[0040] In this embodiment, by installing the shaft 217 inside the cavity 216 of the base 211, the protrusion 212 can be inserted into the base 211 and assembled with the base 211. This can further improve the stability of the protrusion 212, thereby improving the stability of the first fixed post and enabling it to better withstand the rebound force of the first fixed post.

[0041] In some embodiments, the height d3 of the first positioning post 21 is 54mm to 56mm in the direction from the base 211 to the protrusion 212.

[0042] In this embodiment, the height d3 is 55.4 mm. In other embodiments, the height d3 can also be 54 mm, 54.2 mm, 54.4 mm, 54.6 mm, 54.8 mm, 55 mm, 55.2 mm, 55.6 mm, 55.8 mm, 56 mm, etc. It should be noted that this embodiment only provides limited examples of the value of d3 and does not mean that d3 is limited to the above values. As long as d3 is within the range of 54 mm to 56 mm, it is within the protection scope of this application.

[0043] In some embodiments, the first positioning post 21 and the second positioning post have the same structure.

[0044] In this embodiment, by setting the structure of the first positioning post 21 and the second positioning post 22 to be the same, when processing the outer door panel 3, only one type of positioning post 2 needs to be prepared as a spare, and there is no need to prepare multiple positioning posts 2 to replace the damaged positioning post 2.

[0045] In some embodiments, the base 211 and the protrusion 212 can also be integrally formed, thus making the connection between the first positioning post 21, the base 211 and the protrusion 212 more stable. This makes the base 211 and the protrusion 212 more stable when bearing impact force, while being able to position the outer door panel 3. This increases the rebound force that the first positioning post 21 can withstand, making the rebound of the first positioning post 21 smaller, thereby further improving the positioning stability of the positioning post 2 and reducing the probability of parts being scrapped due to poor edge turning.

[0046] In some embodiments, the base 211 and the protrusion 212 can also be non-integral molded. This allows the base 211 and the protrusion 212 to be manufactured separately and then assembled. This makes the production of the first positioning post 21 easier. For example, in the process of manufacturing the first positioning post 21 using injection molding or cutting processes, compared with molding the first positioning post 21 into the base 211 and the protrusion 212 separately, it is obviously easier to process and shape the protrusion 212 and the base 211 separately, and it can save time.

[0047] For example, since the base 211 and the protrusion 212 are not integrally formed, the base 211 and the protrusion 212 can be assembled by the mounting shaft 217 in the above embodiment, or they can be fixed by using glue or the like.

[0048] In some embodiments, the base 211 and the protrusion 212 are assembled via the mounting shaft 217 in the above embodiments. In this embodiment, a shock-absorbing pad is also provided at the top of the mounting shaft 217. Although the mounting shaft 217 is inserted into the cavity to achieve the fixed assembly of the base 211 and the protrusion 212, when the protrusion 212 is subjected to an impact force, the impact force will be transmitted to the mounting shaft 217. This may cause friction between the mounting shaft 217 and the inner wall of the cavity, or produce a slight relative movement. Over time, this may cause a gap to form between the mounting shaft 217 and the bottom wall of the cavity of the base 211, weakening or even causing the fixing effect of the base 211 and the protrusion 212 to fail. This not only reduces the first fixing effect but also... The positioning effect of the first positioning post 21 is so poor that it cannot be used for positioning and may increase the rebound of the first positioning post 21, thereby increasing the probability of the part being scrapped due to poor edge turning. In this embodiment, the use of shock-absorbing pads can not only prevent friction between the mounting shaft 217 and the inner wall of the cavity, thus preventing the formation of gaps between the top of the mounting shaft 217 and the bottom wall of the cavity over time, which would weaken or even cause the fixing effect of the protrusion 212 and the base 211 to fail, but also allow the first positioning post 21 to be damped by the shock-absorbing pads when it is subjected to impact force. This makes the rebound of the first positioning post 21 smaller, thereby further improving the positioning stability of the positioning post 2 and reducing the probability of the part being scrapped due to poor edge turning.

[0049] In some embodiments, in addition to the assembly of the protrusion 212 and the base 211 via the mounting shaft 217 and the cavity, an auxiliary fixing component can be provided between the mounting shaft 217 and the base 211 to further enhance the stability of the base 211 and the protrusion 212. For example, the auxiliary fixing component can be a magnet and an iron block. In this embodiment, an iron block can be placed inside the mounting shaft 217, or the mounting shaft 217 itself can be made of iron, and a magnet can be placed inside the base 211. This allows the magnetic attraction effect to make the fit between the protrusion 212 and the base 211 more stable. In other embodiments, an iron block can be placed in the base 211, or the base 211 itself can be made of iron, and a magnet can be placed inside the mounting shaft 217. This also allows the magnetic attraction effect to make the fit between the insertion part and the base 211 via the cavity more stable.

[0050] In other embodiments, the auxiliary fasteners can also be grooves and protrusions. In this embodiment, there is at least one protrusion, which is disposed on the surface of the mounting shaft 217 and formed on the inner wall of the cavity. The groove and the protrusion are adapted to each other or the groove and the protrusion are interference fit. In this embodiment, the force that can separate the mounting shaft 217 from the cavity is along the depth direction of the cavity. By providing grooves on the inner wall of the cavity and protrusions on the mounting shaft 217, the force received by the mounting shaft 217 along the depth direction of the cavity can be distributed by the grooves and protrusions, thereby reducing the force received by the mounting shaft 217 along the depth direction of the cavity. This makes it more difficult for the mounting shaft 217 to separate from the cavity, thereby making the assembly of the protrusion 212 with the mounting shaft 217 and the base 211 more stable.

[0051] In some embodiments, a flexible layer is also provided on the surface of the protruding post 212. This flexible layer can be a rubber layer or a soft plastic layer, etc. When the outer door panel 3 is stamped or processed, the protruding post 212 will come into contact with the stamping equipment or the outer door panel 3, and may even rub against it. In order to improve the positioning effect of the protruding post 212, the protruding post 212 has a certain degree of hardness. When it comes into contact with the outer door panel 3 or the stamping equipment, scratches may be generated at the corresponding positions. By providing a flexible layer, the outer door panel 3 or the stamping equipment can be protected by the flexible layer when the protruding post 212 comes into contact with it, thereby preventing scratches from appearing.

[0052] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope defined in the claims.

Claims

1. A door outer panel mold, characterized in that, include: The mold body and positioning posts disposed on the mold body, wherein there are at least two positioning posts, including a first positioning post and a second positioning post. The mold body is used to support at least one outer door panel. The outer door panel has an A post and a B post. The first positioning post is located at the position of the A post on the mold body supporting the outer door panel, so as to position the outer door panel from the position of the A post. The second positioning post is located at the position of the B post on the mold body supporting the outer door panel, so as to position the outer door panel from the position of the B post.

2. The door outer panel mold as described in claim 1, characterized in that, The first positioning post includes a base and a protrusion. The base is fixedly assembled with the mold body, and the protrusion is disposed on the side of the base away from the mold body to form a protrusion on the base and position the outer door panel.

3. The door outer panel mold as described in claim 2, characterized in that, The base is cylindrical, with a diameter of 16mm to 21mm and a height of 15mm to 20mm.

4. The door outer panel mold as described in claim 2, characterized in that, The protruding post includes a base portion and a conical portion. The base portion is disposed on the base, and the conical portion is disposed on the side of the base portion away from the base. The conical portion is conical in shape, and the bottom surface of the conical portion is in contact with the base portion.

5. The door outer panel mold as described in claim 4, characterized in that, The diameter of the bottom surface of the conical part is 15mm to 17mm.

6. The door outer panel mold as described in claim 4, characterized in that, The base is cylindrical with a diameter of 15mm to 17mm, and the base is completely fitted to the base of the conical part.

7. The door outer panel mold as described in claim 4, characterized in that, The side of the conical portion has an annular clearance groove, and the distance from the side near the base portion to the top of the conical portion is 20mm to 25mm.

8. The door outer panel mold as described in claim 2, characterized in that, The base has a cavity recessed into the base on one side where the protruding post is fixed. The protruding post also includes a mounting shaft that is adapted to the cavity so that the protruding post is mounted on the base via the mounting shaft.

9. The door outer panel mold as described in claim 2, characterized in that, In the direction from the base to the protrusion, the height of the first positioning post is 54mm to 56mm.

10. The door outer panel mold as described in claim 1, characterized in that, The first positioning post and the second positioning post have the same structure.

Images