Car lamp base forming die

Abstract

The invention discloses a car lamp base forming die which is characterized in that after an upper die and a lower die are closed, a first core pulling block, a second core pulling block, a third core pulling block, a fourth core pulling block, a fifth core pulling block, a first profiling forming part and a second profiling forming part are mutually combined to form a forming cavity of a car lamp base; and after the automobile lamp base is formed, each core pulling block slides outwards, so that after the upper mold and the lower mold are opened, the automobile lamp base can be demolded and taken out under the condition that the automobile lamp base product is not damaged, and the technical effect of reliable forming is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of injection molding, and in particular relates to a molding die for a vehicle lamp base. Background Art

[0002] The lamp base is generally used to form a car lamp assembly. However, the lamp base is to be fixed on the car, so there will be lamp hole structures, positioning holes, mounting holes and reinforcing ribs. When molding such a lamp base in the prior art, only an upper mold and a lower mold are molded together, and then an injection fluid is injected into the molding cavity between the two and the molding is formed after cooling, and then other details are machined. However, this method has low molding efficiency and high cost. In addition, when the upper mold and the lower mold are opened, the undercut structure on the door handle (such as multiple lug structures connected to the car body and the reinforcing ribs and fixing holes on each lug structure) is easily damaged, so it is urgently needed to be improved. Summary of the invention

[0003] The present invention is a vehicle lamp base forming die designed to solve the above technical problems.

[0004] The present invention provides a lamp base forming die, comprising:

[0005] A first module group, the first module group includes a first fixing plate and a first module in order from top to bottom, the first fixing plate is fixed to the upper side of the first module, the first module is provided with a first imitation molding part which is arranged according to the imitation of the front side feature of the lamp base, the first imitation molding part is arranged in an inclined manner, the first imitation molding part includes a first molding structure for molding a low beam lamp installation part, a second molding structure for molding a high beam lamp installation part, a third molding structure for molding a width indicator lamp installation part, a fourth molding structure for molding the inner wall feature of the skirt of the lamp base, and a fifth molding structure for molding the convex part of the front side of the lamp base, the first molding structure, the second molding structure, the third molding structure and the fifth molding structure are arranged in a stepped manner along the length direction of the first imitation molding part, and the third molding structure is located beside the second molding structure, and the fourth molding structure is arranged around the first molding structure, the second molding structure, the third molding structure and the fifth molding structure;

[0006] The second module group includes a second fixing plate, a supporting foot and a second module from bottom to top, the second fixing plate is fixed to the lower side of the second module through the supporting foot, the second module is provided with a second imitation molding part which is arranged according to the rear side feature of the lamp base, the second imitation molding part is arranged in an inclined manner and has the same inclination direction as the first imitation molding part, the second imitation molding part includes a sixth molding structure adapted to the first molding structure, a seventh molding structure adapted to the second molding structure, an eighth molding structure adapted to the third molding structure, a ninth molding structure adapted to the fourth molding structure, and a tenth molding structure adapted to the fifth molding structure, a moving block is movably arranged between the second module and the second fixing plate, a plurality of straight ejectors are fixed on the moving block, and each straight ejector is penetrated in a pinhole arranged in the second module;

[0007] The second module is provided with a first core-pulling block, a second core-pulling block, a third core-pulling block, a fourth core-pulling block and a fifth core-pulling block for molding local features of the outer wall of the lamp base.

[0008] When the first module and the second module are closed to each other, the first imitation molding part and the second imitation molding part cooperate with each other, so that the first molding structure corresponds to the sixth molding structure, the second molding structure corresponds to the seventh molding structure, the third molding structure corresponds to the eighth molding structure, the fourth molding structure corresponds to the ninth molding structure, and the fifth molding structure corresponds to the tenth molding structure, and the imitation structures of the first core pulling block, the second core pulling block, the third core pulling block, the fourth core pulling block and the fifth core pulling block are close to the second imitation molding part, so that the first core pulling block, the second core pulling block, the third core pulling block, the fourth core pulling block, the fifth core pulling block, the first imitation molding part and the second imitation molding part are combined with each other to form a molding cavity of the lamp base.

[0009] According to the above-mentioned headlight base forming mold, the first core pulling block is inclined and located at the highest end of the second imitation molding part, the driving part of the first core pulling block is provided with a first guide inclined hole, and the second module is provided with a first inclined avoidance hole coaxially arranged with the first guide inclined hole, and a first inclined guide rod is inserted into the first guide inclined hole, and the upper end of the first inclined guide rod is fixedly connected to the first module, and the imitation structure of the first core pulling block is matched in the matching groove of the highest end of the second imitation molding part, and the outer wall of the imitation structure of the first core pulling block and the inner wall of the first module corresponding to the position of the first core pulling block are provided with first wedging inclined surfaces that match each other.

[0010] According to the above-mentioned headlight base forming mold, the second core pulling block is located on one side of the middle part of the second imitation molding part, the driving part of the second core pulling block is provided with a second guide inclined hole, and the second module is provided with a second inclined avoidance hole coaxially arranged with the second guide inclined hole, and a second inclined guide rod is inserted into the second guide inclined hole, and the upper end of the second inclined guide rod is fixedly connected to the first module, and the imitation structure of the second core pulling block is matched in the matching groove on one side of the middle part of the second imitation molding part, and the outer wall of the imitation structure of the second core pulling block and the inner wall on the first module corresponding to the position of the second core pulling block are provided with second wedging inclined surfaces that match each other.

[0011] According to the above-mentioned headlight base molding mold, it also includes a first telescopic mechanism that drives the third core pulling block to slide, the telescopic rod of the first telescopic mechanism is connected to the driving part of the third core pulling block, the third core pulling block is located on the other side of the middle part of the second copy molding part, and the second core pulling block and the third core pulling block are arranged opposite to each other, the copy structure of the third core pulling block is matched in the matching groove on one side of the middle part of the second copy molding part, and the outer wall of the copy structure of the third core pulling block and the inner wall on the first module corresponding to the position of the third core pulling block are both provided with third wedging inclined surfaces that match each other.

[0012] According to the above-mentioned headlight base molding mold, it also includes a second telescopic mechanism for driving the fourth core pulling block to slide, the telescopic rod of the second telescopic mechanism is connected to the driving part of the fourth core pulling block, the fourth core pulling block is located on the side of the second copy molding part opposite to the second molding structure, the copy structure of the fourth core pulling block is matched in the matching groove in the middle part of the second copy molding part, and the outer wall of the copy structure of the fourth core pulling block and the inner wall of the first module corresponding to the position of the fourth core pulling block are both provided with fourth wedging inclined surfaces that match each other.

[0013] According to the above-mentioned headlight base molding mold, it also includes a third telescopic mechanism for driving the fifth core pulling block to slide, the fifth core pulling block is located at the lowest end of the second copy molding part, the telescopic rod of the third telescopic mechanism is connected to the driving part of the fifth core pulling block, the copy structure of the fourth core pulling block is matched in the matching groove in the middle of the second copy molding part, and the outer wall of the copy structure of the fifth core pulling block and the inner wall on the first module corresponding to the position of the fifth core pulling block are both provided with fifth wedging inclined surfaces that match each other.

[0014] According to the above-mentioned vehicle lamp base forming mold, a return spring is arranged between the ejector plate and the second module.

[0015] According to the above-mentioned vehicle lamp base forming die, a guide rod is fixed on the second fixing plate, and the guide rod is inserted into the guide hole of the ejector plate.

[0016] According to the above-mentioned vehicle lamp base forming die, a limiting block is also arranged on the ejector plate.

[0017] According to the above-mentioned vehicle lamp base forming mold, it also includes an inclined ejector rod, an elongated channel is provided on the ejector plate, a slide rail structure is fixedly installed in the elongated channel, a sliding groove arranged along the length direction of the ejector plate is provided on the slide rail structure, the inclined ejector rod is inserted into the oblique through hole of the second module, and its lower end is placed in the sliding groove after passing through the elongated channel, and guide grooves arranged along the length direction of the ejector plate are provided on the two opposite elongated inner walls of the sliding groove, and guide blocks are respectively rotatably installed on the opposite sides of the lower end of the inclined ejector rod through a rotating shaft, and each guide block is respectively slidably arranged in the two guide grooves.

[0018] The lamp base forming mold designed by the present invention has the following effective effects:

[0019] After the upper mold and the lower mold of the molding mold of the present invention are closed, the first core pulling block, the second core pulling block, the third core pulling block, the fourth core pulling block, the fifth core pulling block, the first imitation molding part and the second imitation molding part are combined with each other to form a molding cavity of the car lamp base. After the car lamp base is formed, each core pulling block slides outward, so that after the upper mold and the lower mold are opened, the car lamp base product can be demolded and taken out without being damaged, thereby achieving a reliable molding technical effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a structural schematic diagram of the first module (I);

[0021] Figure 2 is a structural schematic diagram of the first module (II);

[0022] Figure 3 is a structural schematic diagram of the second module (I);

[0023] Figure 4 is a structural schematic diagram of the second module (II);

[0024] Figure 5 Schematic diagram of the structure of the second module (III);

[0025] Figure 6 Schematic diagram of the structure of the second module (IV);

[0026] Figure 7 is a structural schematic diagram of the second module (V);

[0027] Figure 8 is a structural schematic diagram of the second module (VI);

[0028] Fig. 9 It is a schematic diagram of the structure after mold closing;

[0029] Fig.10 The schematic diagram of the full cross-section structure after mold closing (I);

[0030] Fig.11The schematic diagram of the full cross-section structure after mold closing (II);

[0031] Fig.12 The schematic diagram of the full cross-section structure after mold closing (III);

[0032] Fig.13 It is a structural schematic diagram of the lamp base;

[0033] Fig.14 This is a schematic diagram of the structure of the second module (VII).

[0034] Numbers: 1. first module; 11. first fixed plate; 12. first module; 120. first imitation molding part; 121. first molding structure; 122. second molding structure; 123. third molding structure; 124. fourth molding structure; 125. fifth molding structure; 126. first wedging slope; 127. second wedging slope; 128. third wedging slope; 129. fourth wedging slope; 130. fifth wedging slope; 2. second module; 21. second fixed plate; 22. supporting foot; 23. second module; 230. second imitation molding part; 231. sixth molding structure; 232. seventh molding structure; 233. eighth molding structure; 234. ninth molding structure; 235. tenth molding structure; 236. first core pulling block; 237. first guide inclined hole; 238. second core pulling block; 239. 71. second guide inclined hole; 238. third core-pulling block; 239. fourth core-pulling block; 240. fifth core-pulling block; 24. ejector plate; 241. first oblique avoidance hole; 242. long channel; 243. guide hole; 25. guide rod; 26. return spring; 27. straight ejector; 28. limit block; 29. ​​slide rail structure; 291. guide groove; 292. guide block; 3. first oblique guide rod; 4. second oblique guide rod; 5. contour structure; 6. first telescopic mechanism; 7. second telescopic mechanism; 8. third telescopic mechanism; 100. molding cavity; 200. lamp base; 201. low beam lamp mounting part; 202. high beam lamp mounting part; 203. width indicator lamp mounting part; 204. skirt; 205. convex part; 206. first middle lug structure; 207. second middle lug structure; 208. end lug structure. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the present invention, and thus to more clearly define the scope of the present invention, the present invention is described in detail with respect to some specific embodiments of the present invention. It should be noted that the following are only some specific implementation methods of the present invention, which are only part of the embodiments of the present invention, wherein the specific and direct description of the relevant structure is only for the convenience of understanding the present invention, and each specific feature does not naturally and directly limit the scope of implementation of the present invention. The conventional selection and replacement made by those skilled in the art under the guidance of the present invention should be regarded as within the scope of the present invention.

[0036] Example:

[0037] Example:

[0038] like Figure 1-Figure 13 As shown, a molding die for a lamp base 200 described in this embodiment includes a first module 1 and a second module 2. The first module 1 and the second module 2 are closed to form a molding cavity 100 therebetween, as described below.

[0039] The first module 1 includes a first fixing plate 11 and a first module 12 from top to bottom, the first fixing plate 11 is fixed to the upper side of the first module 12, and the first module 12 is provided with a first imitation molding portion 120 which is arranged according to the front side feature of the lamp base 200, and the first imitation molding portion 120 is arranged in an inclined manner, and the first imitation molding portion 120 includes a first molding structure 121 for molding a low beam lamp installation portion 201, a second molding structure 122 for molding a high beam lamp installation portion 202, a third molding structure 123 for molding a width indicator lamp installation portion 203, a fourth molding structure 124 for molding the inner wall feature of the skirt 204 of the lamp base 200, and a fourth molding structure 125 for molding the inner wall feature of the lamp base 200. The fifth molding structure 125 is formed by the convex portion 205 on the front side, and the first molding structure 121, the second molding structure 122, the third molding structure 123 and the fifth molding structure 125 are arranged in a stepped manner along the length direction of the first imitation molding portion 120, and the third molding structure 123 is located next to the second molding structure 122, and the fourth molding structure 124 is arranged around the first molding structure 121, the second molding structure 122, the third molding structure 123 and the fifth molding structure 125. The first molding structure 121, the second molding structure 122, and the third molding structure 123 are all convex structures, and the fifth molding structure 125 is a concave structure. The first imitation molding portion 120 is molded in the concave cavity of the first module 12.

[0040] The second module 2 includes, from bottom to top, a second fixing plate 21, a supporting foot 22 and a second module 23. The second fixing plate 21 is fixed to the lower side of the second module 23 through the supporting foot 22. The second module 23 is provided with a second imitation molding portion 230 which is arranged in the shape of the rear side feature of the lamp base 200. The second imitation molding portion 230 is arranged in an inclined manner and has the same inclination direction as the first imitation molding portion 120. The second imitation molding portion includes a sixth molding structure 231 adapted to the first molding structure 121, a seventh molding structure 232 adapted to the second molding structure 122, an eighth molding structure 233 adapted to the third molding structure 123, a ninth molding structure 234 adapted to the fourth molding structure 124, and a tenth molding structure 235 adapted to the fifth molding structure 125. A moving block is movably arranged between the second module 23 and the second fixing plate 21. A plurality of straight ejectors 27 are fixed on the moving block. Each straight ejector 27 is penetrated in a pinhole of the second module 23.

[0041] The second module 23 is provided with a first core pulling block 236 , a second core pulling block 237 , a third core pulling block 238 , a fourth core pulling block 239 and a fifth core pulling block 240 at the edge of the second imitation molding portion 230 for molding the local features of the outer wall of the lamp base 200 .

[0042] Among them, the first core pulling block 236 is inclined and located at the highest end of the second copy forming part 230. The driving part of the first core pulling block 236 is provided with a first guiding inclined hole 2361. The second module 23 is provided with a first inclined avoidance hole 241 coaxially arranged with the first guiding inclined hole 2361. The first inclined guide rod 3 is inserted into the first guiding inclined hole 2361. The upper end of the first inclined guide rod 3 is fixedly connected to the first module 12. The copying structure 5 of the first core pulling block 236 is matched in the matching groove of the highest end of the second copy forming part 230. The outer wall of the copying structure 5 of the first core pulling block 236 and the inner wall of the first module 12 corresponding to the position of the first core pulling block 236 are provided with mutually matching second A wedging inclined surface 126; the second core pulling block 237 is located on one side of the middle part of the second copy forming part 230, the driving part of the second core pulling block 237 is provided with a second guiding inclined hole 2371, and the second module 23 is provided with a second inclined avoidance hole coaxially arranged with the second guiding inclined hole 2371, and the second inclined guide rod 4 is inserted into the second guiding inclined hole 2371, and the upper end of the second inclined guide rod 4 is fixedly connected to the first module 12, and the copying structure 5 of the second core pulling block 237 is matched in the matching groove on one side of the middle part of the second copy forming part 230, and the outer wall of the copying structure 5 of the second core pulling block 237 and the inner wall of the first module 12 corresponding to the position of the second core pulling block 237 are provided with second wedging inclined surfaces 127 that match each other.

[0043] In the above description, the sliding of the first core pulling block 236 and the second core pulling block 237 is achieved by using the first inclined guide rod 3 to cooperate with the first guide inclined hole 2361, and the second inclined guide rod 4 to cooperate with the second guide inclined hole 2371 when opening or closing the mold, so that the first core pulling block 236 and the second core pulling block 237 slide outward during the mold opening process, and the first core pulling block 236 and the second core pulling block 237 slide inward during the mold closing process, and at the same time, the first wedging inclined surfaces 126 at the two locations are in contact with each other, and the second wedging inclined surfaces 127 at the two locations are also in contact with each other.

[0044] It also includes a first telescopic mechanism 6 for driving the third core pulling block 238 to slide, a second telescopic mechanism 7 for driving the fourth core pulling block 239 to slide, and a third telescopic mechanism 8 for driving the fifth core pulling block 240 to slide. The telescopic rod of the first telescopic mechanism 6 is connected to the driving part of the third core pulling block 238. The third core pulling block 238 is located on the other side of the middle of the second copy forming part 230, and the second core pulling block 237 is arranged opposite to the third core pulling block 238. The copy structure 5 of the third core pulling block 238 is matched in the matching groove on one side of the middle of the second copy forming part 230. The outer wall of the copy structure 5 of the third core pulling block 238 and the inner wall of the first module 12 corresponding to the position of the third core pulling block 238 are provided with a third wedging inclined surface 128 that matches each other. The telescopic rod of the second telescopic mechanism 7 is connected to the driving part of the fourth core pulling block 239. The fourth core pulling block 239 is located on the side of the second profiling molding part 230 opposite to the second molding structure 122. The profiling structure 5 of the fourth core pulling block 239 is matched in the matching groove in the middle of the second profiling molding part 230. The outer wall of the profiling structure 5 of the fourth core pulling block 239 and the inner wall of the first module 12 corresponding to the position of the fourth core pulling block 239 are both provided with mutually matched fourth wedging inclined surfaces 129. The fifth core pulling block 240 is located at the lowest end of the second profiling molding part 230. The telescopic rod of the third telescopic mechanism 8 is connected to the driving part of the fifth core pulling block 240. The profiling structure 5 of the fourth core pulling block 239 is matched in the matching groove in the middle of the second profiling molding part 230. The outer wall of the profiling structure 5 of the fifth core pulling block 240 and the inner wall of the first module 12 corresponding to the position of the fifth core pulling block 240 are both provided with mutually matched fifth wedging inclined surfaces 130.

[0045] In the above, the sliding of each core-pulling block is driven by a telescopic mechanism to slide inward or outward, and each telescopic mechanism adopts a telescopic cylinder.

[0046] When the first mold group 1 and the second mold group 2 are closed to each other, the first imitation molding part 120 and the second imitation molding part 230 cooperate with each other, so that the first molding structure 121 and the sixth molding structure 231 cooperate with each other, the second molding structure 122 and the seventh molding structure 232 cooperate with each other, the third molding structure 123 and the eighth molding structure 233 cooperate with each other, the fourth molding structure 124 and the ninth molding structure 234 cooperate with each other, and the fifth molding structure 125 and the tenth molding structure 235 cooperate with each other, and the first core pulling block 236 and the first core pulling block 237 and the first core pulling block 238 cooperate with each other. The contour structures 5 of the second core-pulling block 237, the third core-pulling block 238, the fourth core-pulling block 239 and the fifth core-pulling block 240 are close to the second contour molding part 230, so that the first core-pulling block 236, the second core-pulling block 237, the third core-pulling block 238, the fourth core-pulling block 239, the fifth core-pulling block 240, the first contour molding part 120 and the second contour molding part 230 are combined with each other to form the molding cavity 100 of the lamp base 200, and then the hot melt material is injected into the molding cavity 100 and filled, and the mold is pressure-maintained at this time. After cooling, the lamp base 200 product is formed. After the forming is completed, the first module 1 and the second module 2 are separated from each other, and the first core pulling block 236 and the second core pulling block 237 slide outward under the cooperation of the inclined guide column and the guide inclined hole. At the same time, the third core pulling block 238, the fourth core pulling block 239, and the fifth core pulling block 240 also slide outward under the drive of the telescopic mechanism, thereby realizing the core pulling, and then the ejector plate 24 moves toward the second module 23, so that the straight ejector 27 is ejected to demold the lamp base 200 product, and the first core pulling block 236 is The profiling structure 5 is designed to be contoured according to the first middle lug structure 206 of the outer wall of the lamp base 200, the profiling structure 5 on the fourth core pulling block 239 is designed to be contoured according to the second middle lug structure 207 of the outer wall of the lamp base 200, and the profiling structure 5 on the fifth core pulling block 240 is designed to be contoured according to the end lug structure 208 of the lower end outer wall of the lamp base 200, wherein the first core pulling block 236, the second core pulling block 237, the third core pulling block 238, the fourth core pulling block 239 and the fifth core pulling block 240 are circumferentially arranged around the molding cavity 100.

[0047] Preferably, it also includes an inclined ejector rod, an elongated channel 242 is provided on the ejector plate 24, a slide rail structure 29 is fixedly installed in the elongated channel 242, and a sliding groove arranged along the length direction of the ejector plate 24 is provided on the slide rail structure 29. The inclined ejector rod is inserted into the oblique through hole of the second module 23, and its lower end passes through the elongated channel 242 and is placed in the sliding groove. Guide grooves 291 arranged along the length direction of the ejector plate 24 are provided on the two opposite elongated inner walls of the sliding groove. Guide blocks 292 are respectively installed on the opposite sides of the lower end of the inclined ejector rod through a rotating shaft for rotation, and each guide block 292 is respectively slidably arranged in the two guide grooves 291. Its structural arrangement makes it possible for the ejector plate 24 to move upward and drive the inclined ejector rod to move obliquely upward when the mold is opened, so as to adapt to the oblique movement of the lamp base 200 for demoulding, so that the oblique structure on the lamp base 200 can be demoulded more easily to avoid damage.

[0048] In this embodiment, a return spring 26 is provided between the ejector plate 24 and the second module 23. The return spring 26 enables the ejector plate 24 to automatically return to its original position after the driving force on the ejector plate 24 is canceled after the ejector plate 24 moves toward the second module 23.

[0049] In this embodiment, a guide rod 25 is fixed on the second fixing plate 21 , and the guide rod 25 is inserted into the guide hole 243 of the ejector plate 24 . Its structural arrangement makes the displacement of the ejector plate 24 more stable and reliable.

[0050] In this embodiment, a limiting block 28 is further provided on the ejector plate 24, and its structural setting is to limit the position of the ejector plate 24 after it moves upward.

[0051] Finally, the driving parts of the first core pulling block 236, the second core pulling block 237, the third core pulling block 238, the fourth core pulling block 239 and the fifth core pulling block 240 are respectively arranged in the five sliding grooves on the second module 23, so as to guide the sliding. A limiting part for limiting the driving part is arranged on each sliding groove, and the limiting part can be in contact with the top surface of each driving part, or it can be; the first middle lug structure 206, the second middle lug structure 207 and the end lug structure 208 of the outer wall of the lamp base 200 are provided with reinforcing ribs and fixing holes, wherein the first middle lug structure 206, the second middle lug structure 207 and the end lug structure 208 are arranged with mutually staggered heights and are all curved irregular shapes, and at the same time, each lug structure also has reinforcing ribs and fixing holes, so it is necessary to set core pulling blocks at different corresponding positions for core pulling forming treatment, such as Fig.14 As shown, the second core-pulling block 237 is arranged obliquely relative to the transverse axis of the second module 2, so as to be more suitable for the end structure of the lamp base and the forming of the perforation.

Claims

1. A molding die for a vehicle lamp base (200), characterized in that: include: A first module group (1), wherein the first module group (1) comprises, from top to bottom, a first fixing plate (11) and a first module (12), wherein the first fixing plate (11) is fixed to the upper side of the first module (12), and the first module (12) is provided with a first imitation molding portion (120) which is arranged in the shape of the front side features of the vehicle lamp base (200), wherein the first imitation molding portion (120) is arranged in an inclined manner, and the first imitation molding portion (120) comprises a first molding structure (121) for molding a low beam lamp installation portion (201), a second molding structure (122) for molding a high beam lamp installation portion (202), a third molding structure (123) for molding a width indicator lamp installation portion (203), and a third molding structure (124) for molding a vehicle lamp installation portion (205). A fourth molding structure (124) for molding the inner wall characteristics of the skirt (204) of the lamp base (200), and a fifth molding structure (125) for molding the convex portion (205) on the front side of the lamp base (200), wherein the first molding structure (121), the second molding structure (122), the third molding structure (123) and the fifth molding structure (125) are arranged in a stepped manner along the length direction of the first imitation molding portion (120), and the third molding structure (123) is located beside the second molding structure (122), and the fourth molding structure (124) is arranged around the first molding structure (121), the second molding structure (122), the third molding structure (123) and the fifth molding structure (125); The second module (2) comprises, from bottom to top, a second fixing plate (21), a supporting foot (22) and a second module (23); the second fixing plate (21) is fixed to the lower side of the second module (23) through the supporting foot (22); the second module (23) is provided with a second imitation molding portion (230) which is arranged in a shape according to the rear side features of the vehicle lamp base (200); the second imitation molding portion (230) is arranged in an inclined manner and has the same inclination direction as the first imitation molding portion (120); the second imitation molding portion comprises a second molding structure (121) which is arranged in a shape similar to the first molding structure (121); ), a sixth molding structure (231) adapted to the second molding structure (122), a seventh molding structure (232) adapted to the second molding structure (122), an eighth molding structure (233) adapted to the third molding structure (123), a ninth molding structure (234) adapted to the fourth molding structure (124), and a tenth molding structure (235) adapted to the fifth molding structure (125); a moving block is movably arranged between the second module (23) and the second fixing plate (21); a plurality of straight ejector pins (27) are fixed on the moving block; and each straight ejector pin (27) is arranged to penetrate a pinhole of the second module (23); The second module (23) is provided with a first core-pulling block (236), a second core-pulling block (237), a third core-pulling block (238), a fourth core-pulling block (239) and a fifth core-pulling block (240) on the edge of the second imitation molding portion (230) for molding the local features of the outer wall of the vehicle lamp base (200); When the first mold group (1) and the second mold group (2) are closed to each other, the first imitation molding part (120) and the second imitation molding part (230) cooperate with each other, so that the first molding structure (121) and the sixth molding structure (231) cooperate with each other, the second molding structure (122) and the seventh molding structure (232) cooperate with each other, the third molding structure (123) and the eighth molding structure (233) cooperate with each other, the fourth molding structure (124) and the ninth molding structure (234) cooperate with each other, the fifth molding structure (125) and the tenth molding structure (235) cooperate with each other, and the first core pulling block (236), the second core pulling block (237), and the third core pulling block (236) cooperate with each other. The contour structures (5) of the first core pulling block (236), the second core pulling block (237), the third core pulling block (238), the fourth core pulling block (239), and the fifth core pulling block (240) are close to the second contour molding portion (230), so that the first core pulling block (236), the second core pulling block (237), the third core pulling block (238), the fourth core pulling block (239), the fifth core pulling block (240), the first contour molding portion (120), and the second contour molding portion (230) are combined to form a molding cavity (100) of the vehicle lamp base (200), and the first core pulling block (236), the second core pulling block (237), the third core pulling block (238), the fourth core pulling block (239), and the fifth core pulling block (240) circumferentially surround the molding cavity (100).

2. The molding die for the vehicle lamp base (200) according to claim 1, characterized in that: The first core pulling block (236) is arranged obliquely and is located at the highest end of the second imitation molding part (230). The driving part of the first core pulling block (236) is provided with a first inclined guide hole (2361). The second module (23) is provided with a first inclined avoidance hole (241) coaxially arranged with the first inclined guide hole (2361). A first inclined guide rod (3) is inserted into the first inclined guide hole (2361). The upper end of the first inclined guide rod (3) is fixedly connected to the first module (12). The imitation structure (5) of the first core pulling block (236) is matched in the matching groove of the highest end of the second imitation molding part (230). The outer wall of the imitation structure (5) of the first core pulling block (236) and the inner wall of the first module (12) corresponding to the position of the first core pulling block (236) are both provided with first wedging inclined surfaces (126) that match each other.

3. The molding die for the vehicle lamp base (200) according to claim 2, characterized in that: The second core pulling block (237) is located at one side of the middle part of the second imitation molding part (230); the driving part of the second core pulling block (237) is provided with a second inclined guide hole (2371); the second module (23) is provided with a second inclined avoidance hole coaxially arranged with the second inclined guide hole (2371); a second inclined guide rod (4) is inserted into the second inclined guide hole (2371); the upper end of the second inclined guide rod (4) is fixedly connected to the first module (12); the imitation structure (5) of the second core pulling block (237) is matched in the matching groove at one side of the middle part of the second imitation molding part (230); the outer wall of the imitation structure (5) of the second core pulling block (237) and the inner wall of the first module (12) corresponding to the position of the second core pulling block (237) are both provided with second wedging inclined surfaces (127) that match each other.

4. The molding die for the vehicle lamp base (200) according to claim 3, characterized in that: The invention also comprises a first telescopic mechanism (6) for driving the third core pulling block (238) to slide, the telescopic rod of the first telescopic mechanism (6) is connected to the driving part of the third core pulling block (238), the third core pulling block (238) is located on the other side of the middle part of the second imitation molding part (230), and the second core pulling block (237) and the third core pulling block (238) are arranged opposite to each other, the imitation structure (5) of the third core pulling block (238) is matched in the matching groove on one side of the middle part of the second imitation molding part (230), and the outer wall of the imitation structure (5) of the third core pulling block (238) and the inner wall of the first module (12) corresponding to the position of the third core pulling block (238) are both provided with third wedging inclined surfaces (128) that match each other.

5. The molding die for the vehicle lamp base (200) according to claim 4, characterized in that: It also includes a second telescopic mechanism (7) for driving the fourth core pulling block (239) to slide, the telescopic rod of the second telescopic mechanism (7) is connected to the driving part of the fourth core pulling block (239), the fourth core pulling block (239) is located on the side of the second imitation molding part (230) opposite to the second molding structure (122), the imitation structure (5) of the fourth core pulling block (239) is matched in the matching groove in the middle part of the second imitation molding part (230), and the outer wall of the imitation structure (5) of the fourth core pulling block (239) and the inner wall of the first module (12) corresponding to the position of the fourth core pulling block (239) are both provided with a fourth wedging inclined surface (129) that matches each other.

6. The molding die for the vehicle lamp base (200) according to claim 4, characterized in that: The invention also comprises a third telescopic mechanism (8) for driving the fifth core pulling block (240) to slide, the fifth core pulling block (240) is located at the lowest end of the second imitation molding part (230), the telescopic rod of the third telescopic mechanism (8) is connected to the driving part of the fifth core pulling block (240), the imitation structure (5) of the fourth core pulling block (239) is matched in the matching groove in the middle part of the second imitation molding part (230), and the outer wall of the imitation structure (5) of the fifth core pulling block (240) and the inner wall of the first module (12) corresponding to the position of the fifth core pulling block (240) are both provided with fifth wedging inclined surfaces (130) that match each other.

7. The molding die for the vehicle lamp base (200) according to claim 4, characterized in that: A return spring (26) is arranged between the ejector plate (24) and the second module (23).

8. The molding die for the vehicle lamp base (200) according to claim 4, characterized in that: A guide rod (25) is fixed on the second fixing plate (21), and the guide rod (25) is inserted into the guide hole (243) of the ejector plate (24).

9. The molding die for the vehicle lamp base (200) according to claim 4, characterized in that: A limiting block (28) is also provided on the ejector plate (24).

10. The molding die for the vehicle lamp base (200) according to claim 4, characterized in that: The invention also comprises an inclined ejector rod, an elongated channel (242) is provided on the ejector plate (24), a slide rail structure (29) is fixedly installed in the elongated channel (242), a sliding groove arranged along the length direction of the ejector plate (24) is arranged on the slide rail structure (29), the inclined ejector rod is inserted into the oblique through hole of the second module (23), the lower end of the inclined ejector rod passes through the elongated channel (242) and is placed in the sliding groove, two opposite elongated inner walls of the sliding groove are provided with guide grooves (291) arranged along the length direction of the ejector plate (24), and guide blocks (292) are rotatably installed on opposite sides of the lower end of the inclined ejector rod through a rotating shaft, and each guide block (292) is respectively slidably arranged in the two guide grooves (291).

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