High-light-transmittance electric vehicle LED tail lamp lampshade mold
By improving the mold design and utilizing drive blocks, oblique guide structures, and linked core-pulling components, the problem of damage to the inverted structure of the LED taillight cover of electric vehicles after injection molding was solved, achieving complete protection of the product.
Patent Information
- Application Number
- CN202520176219.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-27
AI Technical Summary
After injection molding, the inverted structure of the LED taillight cover for electric vehicles is easily damaged, and the existing mold design cannot effectively protect it.
The mold design includes a lower mold mounting base, a lower template, a forming insert, a drive block, a preliminary ejection assembly, and a secondary ejection assembly. Through an inclined guide structure and a linked core-pulling assembly, the undercut forming part is separated from the side insert, thus avoiding damage.
This effectively prevents damage to the inverted taillight cover, ensuring product integrity.
Smart Images

Figure CN223750175U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to die technical field relates to a kind of high light transmission electric vehicle LED tail lamp lampshade mould. BACKGROUND
[0002] Electric vehicle LED tail lamp lampshade is generally formed by injection molding through die, since the lampshade cover mouth both sides exist inwardly bent reverse buckle structure, when product ejection is carried out after injection molding, the die design of conventional structure is easy to appear product reverse buckle part damage.
[0003] For example, a kind of motorcycle tail lamp lampshade double-color injection molding die [application number: 202010673462.5] is disclosed in Chinese patent, the side of the core is provided with protrusion, the side of front mould insert close to protrusion is provided with reverse buckle sealing mechanism, the reverse buckle sealing mechanism is matched with protrusion, the side of reverse buckle sealing mechanism away from protrusion is matched with front mould, when mould is opened, the reverse buckle sealing mechanism moves in the direction away from core, when mould is closed, the reverse buckle sealing mechanism resets. CONTENT OF UTILITY MODEL
[0004] The utility model aims at the above problem, provide a kind of high light transmission electric vehicle LED tail lamp lampshade mould.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] A kind of high light transmission electric vehicle LED tail lamp lampshade mould, including lower die mounting seat and the lower die plate being set on lower die mounting seat, the lower die plate is provided with the forming insert block on the protrusion, the lower forming surface of the forming cavity is formed on the upper surface of forming insert block, the forming insert block is combined to form by top insert block and the two side insert blocks located at the bottom of top insert block, two side insert blocks are symmetrically arranged along the center line of top insert block, the side wall bottom of side insert block and lower die plate form reverse buckle forming part, the lower die mounting seat is also provided with the driving block connected with side insert block, the lower side of lower die plate is also provided with the preliminary ejection assembly connected with lower die plate and the secondary ejection assembly connected with forming cavity.
[0007] In the high light transmission electric vehicle LED tail lamp lampshade mould described above, the driving block is connected with the two side insert blocks through inclined guide structure on both sides respectively.
[0008] In the high light transmission electric vehicle LED tail lamp lampshade mould described above, the inclined guide structure includes guide sliding slot inclinedly arranged on the side of driving block, and the guide sliding block protrudingly arranged on the inner side of side insert block is inserted into the guide sliding slot.
[0009] In the high light transmission electric vehicle LED tail lamp lampshade mould described above, the cross section of the guide sliding block and the guide sliding slot is T-shaped.
[0010] In the high-transmittance LED taillight cover mold for electric vehicles, the preliminary ejection assembly comprises a lower ejection plate arranged on the lower side of the lower die plate, and the top of the lower ejection plate is connected with the lower die plate through a plurality of ejection rods.
[0011] In the high-transmittance LED taillight cover mold for electric vehicles, the secondary ejection assembly comprises an upper ejection plate arranged between the lower die plate and the lower ejection plate, and a plurality of straight ejection rods are fixedly connected with the upper ejection plate.
[0012] In the high-transmittance LED taillight cover mold for electric vehicles, the bottom of the upper ejection plate is abutted with the top of the lower ejection plate.
[0013] In the high-transmittance LED taillight cover mold for electric vehicles, the front and rear sides of the lower die plate are further provided with two front side inserts and two rear side inserts respectively, and the lower die plate is further provided with two linkage core-pulling assemblies connected with the two front side inserts and the two rear side inserts respectively.
[0014] In the high-transmittance LED taillight cover mold for electric vehicles, the linkage core-pulling assembly comprises a translation seat fixed on the lower die plate, a translation driver fixedly connected with the bottom of the translation seat, a connecting groove penetratingly arranged on the translation seat, a driving rod inserted into the connecting groove and fixedly connected with the output shaft end of the translation driver, a T-shaped connecting plate fixedly connected with the top end of the driving rod, and two front side inserts and two rear side inserts connected with the T-shaped connecting plate through connecting rods respectively.
[0015] In the high-transmittance LED taillight cover mold for electric vehicles, the lower die plate is further provided with limiting structures corresponding to the front side inserts and the rear side inserts, and the limiting structure comprises two limiting plates, a limiting groove with an inverted T-shaped cross section formed between the two limiting plates, and T-shaped limiting blocks fixedly connected with the bottom of the front side inserts and the rear side inserts and inserted into the limiting groove.
[0016] Compared with the prior art, the high-transmittance LED taillight cover mold for electric vehicles has the following advantages:
[0017] 1. When the taillight cover is molded and ejected, the lower die plate is first driven to move upward by the preliminary ejection assembly, and the two side inserts can move inward under the action of the driving blocks so as to separate the side inserts from the reverse-docking forming part, and then the product is ejected from the lower die plate by the secondary ejection assembly.
[0018] 2. During the upward movement of the upper die plate, the side inserts can move inwardly of the lower die plate under the action of the inclined guide structure, so that the side inserts and the inverted buckle forming part are separated, and the guide sliding block on the side inserts cooperates with the guide sliding groove on the driving block to drive the side inserts to move inwardly of the lower die plate when the upper die plate moves upward.
[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a schematic diagram of the overall structure of the present application;
[0021] Figure 2 is a sectional view of the present application;
[0022] Figure 3 is a schematic diagram of the local structure of the present application;
[0023] Figure 4 is a schematic diagram of the inclined guide structure.
[0024] In the figure, the lower die mounting seat 1, the lower die plate 2, the forming insert 3, the top insert 4, the side insert 5, the inverted buckle forming part 6, the driving block 7, the preliminary ejection assembly 8, the secondary ejection assembly 9, the inclined guide structure 10, the guide sliding groove 11, the guide sliding block 12, the lower top plate 13, the ejection rod 14, the upper top plate 15, the straight top rod 16, the front side insert 17, the rear side insert 18, the linkage type core pulling assembly 19, the translation seat 20, the connecting groove 21, the driving rod 22, the T-shaped connecting plate 23, the connecting rod 24, the limiting plate 25, the T-shaped limiting block 26. DETAILED DESCRIPTION
[0025] As shown in Figures 1-4 A high-transparency electric vehicle LED tail lamp cover mold, comprising a lower die mounting seat 1 and a lower die plate 2 arranged on the lower die mounting seat 1, wherein the lower die plate 2 is provided with a forming insert 3 protruding therefrom, a lower forming surface forming a forming cavity is formed on the upper surface of the forming insert 3, the forming insert 3 is formed by a top insert 4 and two side inserts 5 arranged symmetrically along the center line of the top insert 4, an inverted buckle forming part 6 is formed between the side wall bottom of the side insert 5 and the lower die plate 2, the lower die mounting seat 1 is further provided with a driving block 7 connected with the side insert 5, and the lower side of the lower die plate 2 is further provided with a preliminary ejection assembly 8 connected with the lower die plate 2 and a secondary ejection assembly 9 connected with the forming cavity.
[0026] The utility model discloses, tail lamp lampshade injection moulding is after, when carrying out ejection, first drives the lower die plate to move upwards through the preliminary ejection assembly, when the lower die plate moves upwards, under the action of driving block, two side inserts can move inwards to make the side insert and the inverted buckle forming portion separate, and then the product is ejected from the lower die plate through the secondary ejection assembly, because the inverted buckle forming portion and the side insert are in the separate state when ejection, can prevent the inverted buckle position of product from appearing damage.
[0027] Specifically, the driving block 7 is connected with the two side inserts 5 through the inclined guide structure 10 on both sides.
[0028] Specifically, the inclined guide structure 10 includes a guide chute 11 obliquely arranged on the side of the driving block 7, and the inside of the side insert 5 is provided with a guide block 12 inserted into the guide chute 11, and the cross section of the guide block 12 and the guide chute 11 is T-shaped.
[0029] Specifically, the preliminary ejection assembly 8 includes a lower ejector plate 13 arranged on the lower side of the lower die plate 2, and the lower ejector plate 13 is connected with the lower die plate 2 through a plurality of ejector rods 14 on the top.
[0030] Specifically, the secondary ejection assembly 9 includes an upper ejector plate 15 arranged between the lower die plate 2 and the lower ejector plate 13, and the upper ejector plate 15 is fixedly connected with a plurality of straight ejector rods 16 connected with the forming cavity.
[0031] Specifically, the front and rear sides of the lower die plate 2 are further provided with two front inserts 17 and two rear inserts 18 respectively, and the lower die plate 2 is further provided with two linkage core pulling assemblies 19 connected with the two front inserts 17 and the two rear inserts 18 respectively.
[0032] Specifically, the linkage core-pulling assembly 19 comprises a translation seat 20 fixed on the lower die plate 2, the bottom of the translation seat 20 is fixedly connected with a translation driver, the translation seat 20 is provided with a connecting groove 21 penetrating through the translation seat 20, the output shaft end of the translation driver is fixedly connected with a driving rod 22 inserted into the connecting groove 21, the top end of the driving rod 22 is fixedly connected with a T-shaped connecting plate 23, and the two front side inserts 17 and the two rear side inserts 18 are connected with the T-shaped connecting plate 23 through connecting rods 24 respectively.
[0033] Those skilled in the art should understand that the translation driver can be an oil cylinder, an air cylinder or a linear motor.
[0034] Preferably, the lower die plate 2 is further provided with limiting structures corresponding to the front side inserts 17 and the rear side inserts 18, the limiting structures comprise two limiting plates 25, a limiting groove with an inverted T-shaped cross section is formed between the two limiting plates 25, and the bottom of each of the front side inserts 17 and the rear side inserts 18 is fixedly connected with a T-shaped limiting block 26 inserted into the limiting groove. The limiting groove between the two limiting plates cooperates with the T-shaped limiting block to limit the front side inserts or the rear side inserts.
[0035] The working principle of the utility model is: when the tail lamp cover is injection molded, the lower die plate is first driven to move upward by the preliminary ejection assembly, when the lower die plate moves upward, the two side inserts can move inward under the action of the driving blocks so that the side inserts and the inverted buckle forming part are separated, and then the product is ejected from the lower die plate by the secondary ejection assembly, since the inverted buckle forming part and the side inserts are in a separated state when the product is ejected, the damage of the inverted buckle position of the product can be prevented.
[0036] During the upward movement of the upper die plate, the side inserts can move to the inner side of the lower die plate under the action of the inclined guide structure so that the side inserts and the inverted buckle forming part are separated, and when the upper die plate moves upward, the guide sliding blocks on the side inserts cooperate with the guide sliding grooves on the driving blocks to drive the side inserts to move to the inner side of the lower die plate.
[0037] When the product is ejected, the upward movement of the lower top plate can drive the lower die plate to move vertically upward through the ejection rod, the upward movement of the upper top plate can drive the product on the lower die plate to be ejected through the straight ejection rods, so that the product can be separated from the upper die plate, the bottom of the upper top plate 15 abuts against the top of the lower top plate 13, and when the lower top plate moves upward, the upper top plate can move synchronously, and after the mold is opened, the two linkage core-pulling assemblies can drive the two front side inserts and the two rear side inserts to move synchronously away from the lower die plate, so that the automatic core-pulling of the front side inserts and the rear side inserts can be realized.
[0038] The translation driver can drive the driving rod to reciprocate in the connecting groove, the movement of the driving rod can drive the T-shaped connecting plate to move, the movement of the T-shaped connecting plate can drive the front side insert block or the rear side insert block to move through the connecting rod, and the limiting groove between the two limiting plates can limit the front side insert block or the rear side insert block through the T-shaped limiting block.
[0039] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.
[0040] Although the lower die mounting seat 1, the lower die plate 2, the forming insert 3, the top insert 4, the side insert 5, the inverted buckle forming part 6, the driving block 7, the preliminary ejection assembly 8, the secondary ejection assembly 9, the inclined guide structure 10, the guide sliding groove 11, the guide sliding block 12, the lower top plate 13, the ejection rod 14, the upper top plate 15, the straight top rod 16, the front side insert 17, the rear side insert 18, the linkage core-pulling assembly 19, the translation seat 20, the connecting groove 21, the driving rod 22, the T-shaped connecting plate 23, the connecting rod 24, the limiting plate 25, the T-shaped limiting block 26 and the like are used more in this paper, the use of these terms is only to facilitate the description and explanation of the essence of the present application; it is contrary to the spirit of the present application to interpret them as any kind of additional limitation.
Claims
1. A high-transmittance electric vehicle LED tail lamp cover mold, comprising a lower mold mounting seat (1) and a lower mold plate (2) arranged on the lower mold mounting seat (1), characterized in that, The lower mold plate (2) is provided with a forming insert (3) protruding upward, a lower forming surface of a forming cavity is formed on the upper surface of the forming insert (3), the forming insert (3) is formed by a top insert (4) and two side inserts (5) located at the bottom of the top insert (4), the two side inserts (5) are symmetrically arranged along the center line of the top insert (4), a reverse forming part (6) is formed between the side wall bottom of the side insert (5) and the lower mold plate (2), the lower mold mounting base (1) is further provided with a driving block (7) connected with the side insert (5), and the lower side of the lower mold plate (2) is further provided with a preliminary ejection assembly (8) connected with the lower mold plate (2) and a secondary ejection assembly (9) connected with the forming cavity.
2. The high-transparency electro-motive vehicle LED tail lamp cover mold of claim 1, wherein, The driving block (7) is connected with the two side inserts (5) through inclined guide structures (10) on the two sides respectively.
3. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 2, wherein, The inclined guide structure (10) comprises a guide sliding groove (11) obliquely arranged on the side of the driving block (7), and the inside of the side insert (5) is provided with a guide sliding block (12) protruding upward and inserted into the guide sliding groove (11).
4. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 3, wherein, The guide sliding block (12) and the guide sliding groove (11) are T-shaped in cross section.
5. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 3, wherein, The preliminary ejection assembly (8) comprises a lower top plate (13) arranged on the lower side of the lower mold plate (2), and the lower top plate (13) is connected with the lower mold plate (2) through a plurality of ejection rods (14) arranged on the top of the lower top plate (13).
6. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 5, wherein, The secondary ejection assembly (9) comprises an upper top plate (15) arranged between the lower mold plate (2) and the lower top plate (13), and a plurality of straight ejection rods (16) connected with the forming cavity are fixedly connected to the upper top plate (15).
7. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 6, wherein, The bottom of the upper top plate (15) abuts against the top of the lower top plate (13).
8. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 1, wherein, The front and rear sides of the lower mold plate (2) are further provided with two front inserts (17) and two rear inserts (18) respectively, and the lower mold plate (2) is further provided with two linkage core-pulling assemblies (19) connected with the two front inserts (17) and the two rear inserts (18) respectively.
9. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 8, wherein, The linkage core-pulling assembly (19) comprises a translation seat (20) fixed to the lower mold plate (2), a translation driver is fixed to the bottom of the translation seat (20), a connecting groove (21) is arranged through the translation seat (20), a driving rod (22) is fixedly connected to the output shaft end of the translation driver and inserted into the connecting groove (21), a T-shaped connecting plate (23) is fixedly connected to the top end of the driving rod (22), and the two front inserts (17) and the two rear inserts (18) are connected with the T-shaped connecting plate (23) through connecting rods (24) respectively.
10. The high-transmission electro-motive vehicle LED tail lamp lens mold of claim 9, wherein, The lower mold plate (2) is further provided with limiting structures corresponding to the front inserts (17) and the rear inserts (18), the limiting structures comprise two limiting plates (25), a limiting groove with an inverted T-shaped cross section is formed between the two limiting plates (25), and T-shaped limiting blocks (26) are fixedly connected to the bottoms of the front inserts (17) and the rear inserts (18) and inserted into the limiting groove.
Citation Information
Patent Citations
Motorcycle tail lamp shade double-color injection mold
CN111923331A