Combined mold capable of switching various automobile charging port models and switching structure

Abstract

The utility model provides a switching structure capable of switching various automobile charging port models, which comprises a switching mechanism, an insert assembly connected with the switching mechanism, a material pressing core connecting insert connected with a material pressing core, and a lower die convex die connecting insert connected with a lower die convex die, the switching structure sequentially penetrates through a material pressing core mounting hole of the material pressing core and a lower die convex die mounting hole of the lower die convex die from bottom to top; the lower die convex die mounting hole is in a combined shape of a square and a rectangle, the material pressing core mounting hole is a rectangular hole, the material pressing core mounting hole directly faces the lower die convex die mounting hole, and the material pressing core mounting hole and the lower die convex die mounting hole form a stepped hole. The utility model further comprises a combined die capable of switching the shapes of the various automobile charging ports, and the switching structure is installed on the combined die. According to the combined die and the switching structure capable of switching the shapes of the various automobile charging ports, switching of different shapes of local parts of a product can be achieved by replacing the inserts.

Description

Technical Field

[0001] The utility model belongs to the technical field of automotive parts manufacturing, and particularly relates to a combined mold and a switching structure capable of switching various shapes of automotive charging ports. Background Art

[0002] The mold for the shape of the automotive charging port is specifically used to manufacture the automotive charging interface, which is a key component for connecting electric vehicles (EVs) or plug-in hybrid electric vehicles (PHEVs) to external charging devices. With the rapid development of the new energy vehicle industry, the forms of electric vehicle charging ports have diversified.

[0003] Currently, some electric vehicles have two charging connectors, one for fast charging and the other for slow charging. Some electric vehicles only have a single fast charging connector. In addition, the position of the charging port needs to be changed to a fuel filling port to realize the common use of molds for multiple vehicle models with fuel, electricity, and hybrid power. However, the shape of the existing mold for the shape of the automotive charging port is fixed and cannot be changed. Summary of the Utility Model

[0004] In view of this, the utility model aims to provide a combined mold and a switching structure capable of switching various shapes of automotive charging ports to solve the problem that the shape of the existing mold for the shape of the automotive charging port is fixed and cannot be changed.

[0005] To achieve the above object, the technical solution of the utility model is realized as follows:

[0006] The utility model provides a switching structure capable of switching various shapes of automotive charging ports, including a switching mechanism 11, a block combination body connected to the switching mechanism, a blank holder connecting block connected to the blank holder 37, and a lower die convex film connecting block connected to the lower die convex film 27. The switching mechanism 11 is connected to the upper die 28 through a mounting plate 10. The switching structure sequentially passes through the blank holder mounting hole 3701 of the blank holder 37 and the lower die convex film mounting hole 2701 of the lower die convex film 27 from bottom to top. The lower die convex film mounting hole 2701 is a combined shape of a square and a rectangle. The blank holder mounting hole 3701 is a rectangular hole. The blank holder mounting hole 3701 is directly opposite to the lower die convex film mounting hole 2701 and the two form a stepped hole. Trapezoidal cutting surfaces exist at the positions of the blank holder mounting hole 3701 and the lower die convex film mounting hole 2701. The trapezoidal cutting surfaces form a gap for installing the switching structure. The trapezoidal cutting surface of the blank holder mounting hole 3701 and the trapezoidal cutting surface of the lower die convex film mounting hole 2701 both extend to the arc structure below.

[0007] Further, the switching mechanism includes a switching mechanism mounting plate 10, a cylinder 14, a cylinder connecting piece, a mounting block 9, and an air pipe 13. The air pipe 13 is connected to the cylinder 14. The cylinder 14 is locked to the cylinder connecting piece by screws. The top of the cylinder connecting piece is connected to the mounting block 9, and the bottom of the cylinder connecting piece is connected to the switching mechanism mounting plate 10. The mounting block 9 is used to connect to the insert block assembly. A notch is provided on the upper surface of the mounting block 9, and a connecting block 1 is fixed to the notch by screws. The connecting block 1 is connected to the insert block assembly.

[0008] Further, when the charging port corresponding to the insert block assembly is rectangular, the insert block assembly includes a first insert block 15, a seventh insert block 16, and a spring ejector pin 21. And at this time, the insert block connecting the pressure pad core is the third insert block 2, and the insert block connecting the lower die convex film is the fifth insert block 3. The mounting block 9 is connected to the first insert block 15 through the connecting block 1. The seventh insert block 16 is connected to the first insert block 15 through the spring ejector pin 21. The third insert block 2 is connected to the pressure pad core 37 by screws. And the side surface of the third insert block 2 is in contact with the side surface of the trapezoidal cutting surface of the pressure pad core 37. The fifth insert block 3 is connected to the lower die convex film 27 by screws. And the side surface of the fifth insert block 3 is in contact with the side surface of the trapezoidal cutting surface of the lower die convex film 27.

[0009] Further, when the charging port corresponding to the insert block assembly is square, the insert block assembly includes a second insert block 7, an eighth insert block 8, and a spring ejector pin 21. And at this time, the insert block connecting the pressure pad core is the fourth insert block 26, and the insert block connecting the lower die convex film is the sixth insert block 4. The mounting block 9 is connected to the second insert block 7 through the connecting block 1. The eighth insert block 8 is connected to the second insert block 7 through the spring ejector pin 21. The fourth insert block 26 is connected to the pressure pad core 37 by screws. And the side surface of the fourth insert block 26 is in contact with the side surface of the trapezoidal cutting surface of the pressure pad core 37. The sixth insert block 4 is connected to the lower die convex film 27 by screws. And the side surface of the sixth insert block 4 is in contact with the side surface of the trapezoidal cutting surface of the lower die convex film 27.

[0010] Further, a rectangular groove is provided on the first insert block 15. The side surface of the seventh insert block 16 is entirely rectangular. The outer shape of the seventh insert block 16 is stepped and it is divided into a seventh insert block bottom mounting part and a seventh insert block concave mounting part by the stepped surface. The seventh insert block bottom mounting part is in contact with the first insert block 15. The outer shapes of both the seventh insert block bottom mounting part and the seventh insert block concave mounting part are rectangular. The outer dimension of the seventh insert block bottom mounting part is larger than the outer dimension of the seventh insert block concave mounting part. A rectangular groove is provided in the seventh insert block concave mounting part.

[0011] Further, a square groove is provided on the second insert block 7. The side of the eighth insert block 8 is square as a whole. The outer shape of the eighth insert block 8 is stepped and is divided into a bottom mounting part of the eighth insert block and a concave mounting part of the eighth insert block by a stepped surface. The bottom mounting part of the eighth insert block is in contact with the second insert block 7. The outer shapes of both the bottom mounting part of the eighth insert block and the concave mounting part of the eighth insert block are square. The outer dimension of the bottom mounting part of the eighth insert block is larger than that of the concave mounting part of the eighth insert block. A square groove is provided in the concave mounting part of the eighth insert block.

[0012] Further, the third insert block 2 and the fourth insert block 26 have the same outer shape but different groove shapes. The fifth insert block 3 and the sixth insert block 4 have the same outer shape but different groove shapes. The groove widths of the first insert block 15 and the second insert block 7 are the same and their outer widths are the same. The groove widths of the seventh insert block 16 and the eighth insert block 8 are the same and their outer widths are the same. The mounting holes of the third insert block 2 and the fourth insert block 26 coincide. The mounting holes of the fifth insert block 3 and the sixth insert block 4 coincide. The mounting holes of the first insert block 15 and the second insert block 7 coincide. The mounting holes of the seventh insert block 16 and the eighth insert block 8 coincide.

[0013] The present utility model also provides a combined mold capable of switching multiple automotive charging port shapes, including an upper mold 28, a switching structure, a blank holder 37, and a lower mold convex film 27. The combined mold is successively the upper mold 28, the blank holder 37, and the lower mold convex film 27 from top to bottom. The switching structure is the switching structure capable of switching multiple automotive charging port shapes described above.

[0014] Compared with the prior art, the combined mold and the switching structure capable of switching multiple automotive charging port shapes according to the present utility model have the following advantages:

[0015] (1) The blank holder of the present utility model is processed by insert blocks. By replacing the insert blocks, switching of different local shapes of the product can be achieved. The coincidence of the mounting holes of the insert blocks ensures that the screw mounting positions are the same and the sizes are the same, which can meet the generality and is convenient and fast to replace. The switching mechanism is installed on the upper mold, which can achieve the switching of the presence or absence of the charging port and perform local avoidance at the same time. The combination of the tangent process plan and the technical plan of adding ejector pins to the insert blocks can avoid the strip material of the upper mold trimming. By limiting the positions and unifying the sizes of the insert block screws, perfect switching of the insert blocks can be achieved. Description of the Drawings

[0016] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0017] In the drawings:

[0018] Figure 1Isometric view of a rectangular charging port of the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0019] Figure 2 Front view of a rectangular charging port of the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0020] Figure 3 Top view of a rectangular charging port of the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0021] Figure 4 Schematic diagram of the connection of the first insert block in the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0022] Figure 5 Isometric view of the first insert block in the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0023] Figure 6 Isometric view of the seventh insert block in the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0024] Figure 7 Isometric view of the third insert block in the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0025] Figure 8 Isometric view of the fifth insert block in the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0026] Figure 9 Isometric view of a square charging port of the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0027] Figure 10 Front view of a square charging port of the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0028] Figure 11 Top view of a square charging port of the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0029] Figure 12 Isometric view of the installation of the second insert block in the switching structure for switching between multiple automotive charging port shapes according to an embodiment of the present utility model;

[0030] Figure 13Isometric view of the second insert block in the switching structure capable of switching multiple car charging port shapes according to the embodiments of the present invention;

[0031] Figure 14 Isometric view of the eighth insert block in the switching structure capable of switching multiple car charging port shapes according to the embodiments of the present invention;

[0032] Figure 15 Isometric view of the sixth insert block in the switching structure capable of switching multiple car charging port shapes according to the embodiments of the present invention;

[0033] Figure 16 Isometric view of the fourth insert block in the switching structure capable of switching multiple car charging port shapes according to the embodiments of the present invention;

[0034] Figure 17 Isometric view of the switching mechanism installation in the combined mold capable of switching multiple car charging port shapes according to the embodiments of the present invention;

[0035] Figure 18 Enlarged view of part A in the isometric view of the switching mechanism installation in the combined mold capable of switching multiple car charging port shapes according to the embodiments of the present invention;

[0036] Figure 19 Isometric view of the lower die convex film when the combined mold capable of switching multiple car charging port shapes according to the embodiments of the present invention is installed;

[0037] Figure 20 Isometric view of the blank holder core when the combined mold capable of switching multiple car charging port shapes according to the embodiments of the present invention is installed;

[0038] Figure 21 Cross-sectional view when the switching mechanism in the combined mold capable of switching multiple car charging port shapes according to the embodiments of the present invention is installed.

[0039] Explanation of reference numerals:

[0040] 1. Connecting block; 2. Third insert block; 3. Fifth insert block; 4. Sixth insert block; 7. Second insert block; 8. Eighth insert block; 9. Mounting block; 10. Switching mechanism mounting plate; 11. Switching mechanism; 13. Air pipe; 14. Cylinder; 15. First insert block; 16. Seventh insert block; 21. Ejector pin; 26. Fourth insert block; 27. Lower die convex film; 28. Upper die; 37. Blank holder core; 2701. Lower die convex film mounting hole; 3701. Blank holder core mounting hole. Detailed implementation manners

[0041] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments can be combined with each other.

[0042] In the description of the present utility model, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise stated, the meaning of "a plurality" is two or more.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood through specific circumstances.

[0044] The present utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0045] Refer to Figure 1-21 As shown, this embodiment provides a switching structure that can switch between multiple shapes of vehicle charging ports, including a switching mechanism 11, a block combination body connected to the switching mechanism, a blank holder connecting block connected to the blank holder 37, and a lower die convex film connecting block connected to the lower die convex film 27. The switching mechanism 11 is connected to the upper die 28 by screws. The switching structure sequentially passes through the blank holder mounting hole 3701 of the blank holder 37 and the lower die convex film mounting hole 2701 of the lower die convex film 27 from bottom to top; the lower die convex film mounting hole 2701 is a combined shape of a square and a rectangle, the blank holder mounting hole 3701 is a rectangular hole, the blank holder mounting hole 3701 is directly opposite to the lower die convex film mounting hole 2701 and the two form a stepped hole. Trapezoidal cutting surfaces exist at the positions of the blank holder mounting hole 3701 and the lower die convex film mounting hole 2701. The trapezoidal cutting surfaces form a gap for installing the switching structure. The trapezoidal cutting surfaces of the blank holder mounting hole 3701 and the lower die convex film mounting hole 2701 both extend to the arc structure below.

[0046] Specifically, in this embodiment, the switching mechanism includes a switching mechanism mounting plate 10, a cylinder 14, a cylinder connecting piece, a mounting block 9, and an air pipe 13. The air pipe 13 is connected to the cylinder 14. The cylinder 14 is locked to the cylinder connecting piece by screws. The top of the cylinder connecting piece is connected to the mounting block 9, and the bottom of the cylinder connecting piece is connected to the switching mechanism mounting plate 10. The mounting block 9 is used to connect with the insert block assembly. A notch is provided on the upper surface of the mounting block 9, and the connecting block 1 is fixedly connected to the notch by screws. The connecting block 1 is connected to the insert block assembly.

[0047] In the embodiment, the function of the switching mechanism is to achieve the up and down floating in the height direction through the drive of the cylinder, so that when there is no charging port, the whole cutting insert will not touch the product when it floats downward. The switching mechanism can be directly replaced with a square insert type switching mechanism from Wuhan Ke'er Precision Technology Co., Ltd., and the actual product model is selected according to the use requirements.

[0048] Specifically, in this embodiment, when the charging port corresponding to the insert block assembly is rectangular, the insert block assembly includes a first insert block 15, a seventh insert block 16, and a spring ejector pin 21. And at this time, the insert block connecting the pressure core is the third insert block 2, and the insert block connecting the lower die convex film is the fifth insert block 3. The mounting block 9 is connected to the first insert block 15 through the connecting block 1. The seventh insert block 16 is connected to the first insert block 15 through the spring ejector pin 21. The third insert block 2 is connected to the pressure core 37 by screws. And the side surface of the third insert block 2 is in contact with the side surface of the trapezoidal cutting surface of the pressure core 37. The fifth insert block 3 is connected to the lower die convex film 27 by screws. And the side surface of the fifth insert block 3 is in contact with the side surface of the trapezoidal cutting surface of the lower die convex film 27.

[0049] Specifically, in this embodiment, when the charging port corresponding to the insert block assembly is square, the insert block assembly includes a second insert block 7, an eighth insert block 8, and a spring ejector pin 21. And at this time, the insert block connecting the pressure core is the fourth insert block 26, and the insert block connecting the lower die convex film is the sixth insert block 4. The mounting block 9 is connected to the second insert block 7 through the connecting block 1. The eighth insert block 8 is connected to the second insert block 7 through the spring ejector pin 21. The fourth insert block 26 is connected to the pressure core 37 by screws. And the side surface of the fourth insert block 26 is in contact with the side surface of the trapezoidal cutting surface of the pressure core 37. The sixth insert block 4 is connected to the lower die convex film 27 by screws. And the side surface of the sixth insert block 4 is in contact with the side surface of the trapezoidal cutting surface of the lower die convex film 27.

[0050] Specifically, in this embodiment, the first insert block 15 is provided with a rectangular groove. The side surface of the seventh insert block 16 is rectangular as a whole. The outer shape of the seventh insert block 16 is stepped and is divided by the stepped surface into the bottom mounting part of the seventh insert block and the concave mounting part of the seventh insert block. The bottom mounting part of the seventh insert block is in contact with the first insert block 15. The outer shapes of both the bottom mounting part of the seventh insert block and the concave mounting part of the seventh insert block are rectangular. The outer dimension of the bottom mounting part of the seventh insert block is larger than the outer dimension of the concave mounting part of the seventh insert block. The concave mounting part of the seventh insert block is provided with a rectangular groove.

[0051] Specifically, in this embodiment, the second insert block 7 is provided with a square groove. The side surface of the eighth insert block 8 is rectangular as a whole. The outer shape of the eighth insert block 8 is stepped and is divided by the stepped surface into the bottom mounting part of the eighth insert block and the concave mounting part of the eighth insert block. The bottom mounting part of the eighth insert block is in contact with the second insert block 7. The outer shapes of both the bottom mounting part of the eighth insert block and the concave mounting part of the eighth insert block are square. The outer dimension of the bottom mounting part of the eighth insert block is larger than the outer dimension of the concave mounting part of the eighth insert block. The concave mounting part of the eighth insert block is provided with a square groove.

[0052] Specifically, in this embodiment, the third insert block 2 and the fourth insert block 26 have the same outer shape but different groove shapes. The fifth insert block 3 and the sixth insert block 4 have the same outer shape but different groove shapes. The groove widths of the first insert block 15 and the second insert block 7 are the same and their outer widths are the same. The groove widths of the seventh insert block 16 and the eighth insert block 8 are the same and their outer widths are the same. The mounting holes of the third insert block 2 and the fourth insert block 26 coincide. The mounting holes of the fifth insert block 3 and the sixth insert block 4 coincide. The mounting holes of the first insert block 15 and the second insert block 7 coincide. The mounting holes of the seventh insert block 16 and the eighth insert block 8 coincide.

[0053] This embodiment also provides a combined mold capable of switching various shapes of vehicle charging ports, including an upper mold 28, a switching structure, a blank holder core 37, and a lower mold convex film 27. The combined mold is, from top to bottom, the upper mold 28, the blank holder core 37, and the lower mold convex film 27. The switching structure is the switching structure capable of switching various shapes of vehicle charging ports described above.

[0054] In the embodiment, the blank holder core is processed by insert blocks. By replacing the insert blocks, the switching of different local shapes of the product can be realized. The coincidence of the insert block mounting holes ensures that the screw mounting positions are the same and the sizes are the same, which can meet the universality and is convenient and fast to replace. The upper mold 28 is installed with a switching mechanism, which can realize the switching of the presence or absence of the charging port and perform local avoidance at the same time. The combination of the positive cutting process plan and the technical plan of adding ejector pins with insert blocks can avoid the strip of the upper mold trimming. Through the limitation of the insert block screw positions and the unification of the sizes, the perfect switching of the insert blocks can be realized.

[0055] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A switching structure capable of switching multiple shapes of vehicle charging ports, characterized in that, It includes a switching mechanism (11), an insert block assembly connected to the switching mechanism, a blank holder connecting insert block connected to the blank holder (37), and a lower die convex film connecting insert block connected to the lower die convex film (27). The switching mechanism (11) is connected to the upper die (28) by screws. The switching structure sequentially passes through the blank holder mounting hole (3701) of the blank holder (37) and the lower die convex film mounting hole (2701) of the lower die convex film (27) from bottom to top. The lower die convex film mounting hole (2701) is a combined shape of a square and a rectangle. The blank holder mounting hole (3701) is a rectangular hole. The blank holder mounting hole (3701) is directly opposite to the lower die convex film mounting hole (2701) and the two form a stepped hole. Trapezoidal cutting surfaces exist at the positions of the blank holder mounting hole (3701) and the lower die convex film mounting hole (2701). The trapezoidal cutting surfaces form a gap for installing the switching structure. The trapezoidal cutting surface of the blank holder mounting hole (3701) and the trapezoidal cutting surface of the lower die convex film mounting hole (2701) both extend to the arc structure below.

2. The switching structure for switching between multiple vehicle charging port shapes according to claim 1, wherein The switching mechanism includes a switching mechanism mounting plate (10), a cylinder (14), a cylinder connecting piece, a mounting block (9), and an air pipe (13). The air pipe (13) is connected to the cylinder (14). The cylinder (14) is locked to the cylinder connecting piece by screws. The top of the cylinder connecting piece is connected to the mounting block (9), and the bottom of the cylinder connecting piece is connected to the switching mechanism mounting plate (10). The mounting block (9) is used to connect to the insert block assembly. A notch is provided on the upper surface of the mounting block (9). The notch is fixedly connected to a connecting block (1) by screws. The connecting block (1) is connected to the insert block assembly.

3. The switching structure for switching between multiple automotive charging port shapes according to claim 2, wherein When the charging port corresponding to the insert block assembly is rectangular, the insert block assembly includes a first insert block (15), a seventh insert block (16), and a spring ejector pin (21). And at this time, the blank holder connecting insert block is a third insert block (2), and the lower die convex film connecting insert block is a fifth insert block (3). The mounting block (9) is connected to the first insert block (15) through the connecting block (1). The seventh insert block (16) is connected to the first insert block (15) through the spring ejector pin (21). The third insert block (2) is connected to the blank holder (37) by screws. And the side surface of the third insert block (2) is in contact with the side surface of the trapezoidal cutting surface of the blank holder (37). The fifth insert block (3) is connected to the lower die convex film (27) by screws. And the side surface of the fifth insert block (3) is in contact with the side surface of the trapezoidal cutting surface of the lower die convex film (27).

4. The switching structure for switching multiple automobile charging port shapes according to claim 3, characterized in that, When the charging port corresponding to the insert block assembly is square, the insert block assembly includes a second insert block (7), an eighth insert block (8), and a spring ejector pin (21). At this time, the blank holder connecting insert block is the fourth insert block (26), and the lower die convex film connecting insert block is the sixth insert block (4). The mounting block (9) is connected to the second insert block (7) through a connecting block (1). The eighth insert block (8) is connected to the second insert block (7) through a spring ejector pin (21). The fourth insert block (26) is connected to the blank holder (37) by screws. Moreover, the side surface of the fourth insert block (26) is in contact with the trapezoidal cutting surface side of the blank holder (37). The sixth insert block (4) is connected to the lower die convex film (27) by screws. Moreover, the side surface of the sixth insert block (4) is in contact with the trapezoidal cutting surface side of the lower die convex film (27).

5. The switching structure for switching multiple car charging port shapes according to claim 3, characterized in that, The first insert block (15) is provided with a rectangular groove. The side surface of the seventh insert block (16) is overall rectangular. The outer shape of the seventh insert block (16) is stepped and it is divided by a stepped surface into a bottom mounting part of the seventh insert block and an inner concave mounting part of the seventh insert block. The bottom mounting part of the seventh insert block is in contact with the first insert block (15). The outer shapes of both the bottom mounting part of the seventh insert block and the inner concave mounting part of the seventh insert block are rectangular. The outer dimension of the bottom mounting part of the seventh insert block is larger than the outer dimension of the inner concave mounting part of the seventh insert block. The inner concave mounting part of the seventh insert block is provided with a rectangular groove.

6. The switching structure capable of switching various shapes of vehicle charging ports according to claim 4, characterized in that, The second insert block (7) is provided with a square groove. The side surface of the eighth insert block (8) is overall rectangular. The outer shape of the eighth insert block (8) is stepped and it is divided by a stepped surface into a bottom mounting part of the eighth insert block and an inner concave mounting part of the eighth insert block. The bottom mounting part of the eighth insert block is in contact with the second insert block (7). The outer shapes of both the bottom mounting part of the eighth insert block and the inner concave mounting part of the eighth insert block are square. The outer dimension of the bottom mounting part of the eighth insert block is larger than the outer dimension of the inner concave mounting part of the eighth insert block. The inner concave mounting part of the eighth insert block is provided with a square groove.

7. The switching structure capable of switching multiple automobile charging port shapes according to any one of claims 1-6, characterized in that The third insert block (2) and the fourth insert block (26) have the same outer shape but different groove shapes. The fifth insert block (3) and the sixth insert block (4) have the same outer shape but different groove shapes. The groove widths of the first insert block (15) and the second insert block (7) are the same and their outer widths are the same. The groove widths of the seventh insert block (16) and the eighth insert block (8) are the same and their outer widths are the same. The mounting holes of the third insert block (2) and the fourth insert block (26) coincide. The mounting holes of the fifth insert block (3) and the sixth insert block (4) coincide. The mounting holes of the first insert block (15) and the second insert block (7) coincide. The mounting holes of the seventh insert block (16) and the eighth insert block (8) coincide.

8. A combined mold capable of switching various shapes of vehicle charging ports, characterized in that, It includes an upper die (28), a switching structure, a blank holder (37), and a lower die convex film (27). The combined die is, from top to bottom, the upper die (28), the blank holder (37), and the lower die convex film (27). The switching structure is the switching structure capable of switching multiple automotive charging port shapes according to any one of claims 1-7.

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