High-gloss injection molding mold for electric vehicle headlight decoration

Abstract

The utility model provides a high-gloss injection molding mold for electric vehicle headlight decorative parts, which belongs to the field of mold technology. It includes an upper mold plate and a lower mold plate, a molding cavity is arranged between the upper mold plate and the lower mold plate, a molding insert with an arc-shaped circumferential surface cross-section is convexly arranged on the lower mold plate, a top plate is arranged on the lower side of the lower mold plate, a No. 1 side core pulling assembly and a No. 2 side core pulling assembly are arranged on the left and right sides of the molding insert, respectively, and a combined ejection structure connected to the top plate is arranged on the side of the molding insert close to the No. 2 side core pulling assembly. The detachable side ejector block structure can enable the side ejector block structure to be separated from the inner wall of the product while ejecting the product, and the detachable setting of the side ejector block structure can reduce the replacement cost in case of damage. After the product is injection molded, the No. 1 side core pulling assembly and the No. 2 side core pulling assembly can automatically pull the core.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a high-gloss injection molding mold for a headlight decoration of an electric vehicle. Background Art

[0002] Electric vehicle headlight decorative parts are generally formed by injection molding. In the prior art, a cover body with an arc-shaped circumferential surface generally adopts a slanted top structure when ejected, so that the slanted top structure can be separated from the inner wall of the cover body while the cover body is ejected. However, the slanted top rod in the slanted top structure of the prior art mostly adopts an integrated structure, and the replacement cost of the slanted top rod when it is damaged is high.

[0003] For example, a Chinese patent discloses a high-gloss molding mold for electric vehicle headlight decoration parts [application number: 201721904553.5], which includes an upper mold plate and a lower mold plate, a gate is arranged in the upper mold plate, a fixed mold plate is installed under the upper mold plate, a mold foot is installed on the lower mold plate, a movable mold plate is installed on the mold foot, and a gap between the movable mold plate and the fixed mold plate constitutes a mold cavity. An ejector plate and an ejector pad are arranged between the mold feet, and an ejector is connected to the ejector plate. A direct current hole is arranged in the fixed mold plate, and a transverse flow channel is arranged on the movable mold plate. An oblique bottom glue inlet is arranged on both sides of the transverse flow channel, and the oblique bottom glue inlet is connected to the mold cavity. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a high-gloss injection molding die for electric vehicle headlight decoration parts.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-gloss injection molding mold for electric vehicle headlight decorative parts comprises an upper mold plate and a lower mold plate, a molding cavity is arranged between the upper mold plate and the lower mold plate, a molding insert with an arc-shaped circumferential cross-section is protrudingly arranged on the lower mold plate, a top plate is arranged on the lower side of the lower mold plate, a No. 1 side core pulling assembly and a No. 2 side core pulling assembly are respectively arranged on the left and right sides of the molding insert, a combined ejection structure connected to the top plate is arranged on the side of the molding insert close to the No. 2 side core pulling assembly, and a plurality of detachable side top block structures connected to the top plate are also arranged on the molding insert along the circumferential direction.

[0007] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the detachable side top block structure includes a side top block slidably arranged in the molding insert through an inclined guide structure, the outer side surface of the side top block is flush with the circumferential surface of the molding insert, and a No. 1 straight top rod corresponding to the side top block is vertically arranged on the top plate, and the No. 1 straight top rod is connected to the side top block through a sliding connection structure.

[0008] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the sliding connection structure includes a connecting groove which is recessed inwardly and arranged at the bottom of the side top block and has a T-shaped cross-section. Both ends of the connecting groove pass through the side top block, and the top of the No. 1 straight top rod has a connecting head with a T-shaped cross-section.

[0009] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the oblique guide structure includes guide blocks obliquely arranged on both sides of the side top block, and the guide blocks are inserted into the guide grooves in the molding insert.

[0010] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the combined ejection structure includes a straight ejector block arranged in the molding insert and an inclined ejector block arranged on the lower side of the straight ejector block. The outer wall of the inclined ejector block is flush with the circumferential surface of the molding insert. A No. 2 straight ejector rod connected to the straight ejector block is fixedly connected to the top plate, and an inclined ejector rod connected to the inclined ejector block is also slidably connected to the top plate.

[0011] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the No. 1 side core pulling assembly includes a No. 1 core rod horizontally arranged on the upper mold plate, the inner end of the No. 1 core rod is inserted into the molding cavity, and also includes a vertical flat pulling assembly connected to the No. 1 core rod.

[0012] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the vertical flat pull-out assembly includes a lifting drive vertically fixed on the upper template, and the output shaft end of the lifting drive is fixedly connected to a driving slider, and the driving slider is connected to the No. 1 core rod through a vertical guide structure.

[0013] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the vertical guide structure includes a guide groove obliquely arranged on the driving slider, the cross-section of the guide groove is T-shaped, and the cross-section of the outer end of the No. 1 core rod is T-shaped and inserted into the guide groove.

[0014] In the above-mentioned electric vehicle headlight decorative part high-gloss injection molding mold, the No. 2 side core pulling assembly includes two No. 2 core rods horizontally arranged in the upper mold plate, the inner ends of the No. 2 core rods are inserted into the molding cavity, and the upper mold plate is also provided with a horizontal core pulling assembly connected to the No. 2 core rods.

[0015] In the above-mentioned high-gloss injection molding mold for electric vehicle headlight decoration, the horizontal core-pulling assembly includes a linear drive horizontally fixed on the upper mold plate, the output shaft end of the linear drive is fixedly connected to a core-pulling slider, and the outer end of the second core rod is connected to the core-pulling slider.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The detachable side ejector block structure can separate the side ejector block structure from the inner wall of the product while ejecting the product. The detachable setting of the side ejector block structure can reduce the replacement cost in case of damage. After the product is injection molded, the No. 1 side core pulling assembly and the No. 2 side core pulling assembly can automatically pull the core.

[0018] 2. When the top plate moves upward, the No. 1 straight ejector rod can drive the side ejector block to move and apply thrust to the product. The oblique guide structure can make the side ejector block move obliquely upward when the thrust is applied, so that the side ejector block can be separated from the product while ejecting the product. The No. 1 straight ejector rod is connected to the side ejector block through a sliding connection structure, which can not only meet the oblique movement requirements of the side ejector block, but also enable the side ejector block to be separated from the No. 1 straight ejector rod, so as to reduce the replacement cost in case of damage.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional view of the utility model;

[0021] Figure 2 It is a structural diagram of the lower template;

[0022] Figure 3 It is a schematic diagram of the local structure of the lower template;

[0023] Figure 4 yes Figure 3 A magnified schematic diagram of center A.

[0024] In the figure, an upper template 1, a lower template 2, a molding cavity 3, a molding insert 4, a top plate 5, a No. 1 side core pulling assembly 6, a No. 2 side core pulling assembly 7, a combined ejection structure 8, a detachable side ejector block structure 9, a side ejector block 10, a No. 1 straight ejector rod 11, a connecting groove 12, a connecting head 13, a guide block 14, a guide groove 15, a straight ejector block 16, an inclined ejector block 17, a No. 2 straight ejector rod 18, an inclined ejector rod 19, a No. 1 core rod 20, a lifting drive 21, a driving slider 22, a guide groove 23, a No. 2 core rod 24, a linear drive 25, and a core pulling slider 26. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 4As shown, a high-gloss injection molding mold for electric vehicle headlight decoration parts includes an upper template 1 and a lower template 2, a molding cavity 3 is arranged between the upper template 1 and the lower template 2, a molding insert 4 with an arc-shaped circumferential surface cross-section is protrudingly arranged on the lower template 2, a top plate 5 is arranged on the lower side of the lower template 2, a No. 1 side core pulling component 6 and a No. 2 side core pulling component 7 are respectively arranged on the left and right sides of the molding insert 4, a combined ejection structure 8 connected to the top plate 5 is arranged on the side of the molding insert 4 close to the No. 2 side core pulling component 7, and a plurality of detachable side top block structures 9 connected to the top plate 5 are also arranged on the molding insert 4 along the circumferential direction.

[0026] In the utility model, the detachable side top block structure 9 can enable the product to be ejected and at the same time the side top block structure can be separated from the inner wall of the product. The detachable setting of the side top block structure can reduce the replacement cost in case of damage. After the product is injection molded, the No. 1 side core pulling assembly 6 and the No. 2 side core pulling assembly 7 can automatically pull the core.

[0027] Specifically, the detachable side top block structure 9 includes a side top block 10 that is slidably arranged in the molding insert 4 through an oblique guide structure, the outer side surface of the side top block 10 is flush with the circumferential surface of the molding insert 4, and a No. 1 straight top rod 11 corresponding to the side top block 10 is vertically arranged on the top plate 5, and the No. 1 straight top rod 11 is connected to the side top block 10 through a sliding connection structure. When the top plate moves upward, the No. 1 straight top rod 11 can drive the side top block 10 to move and apply thrust to the product. The oblique guide structure can make the side top block 10 move obliquely upward when it is thrust, so that the side top block 10 can be separated from the product while ejecting the product. The No. 1 straight top rod 11 is connected to the side top block 10 through a sliding connection structure, which can not only meet the oblique movement requirements of the side top block 10, but also enable the side top block to be separated from the No. 1 straight top rod, so as to reduce the replacement cost when it is damaged.

[0028] Specifically, the sliding connection structure includes a connecting slot 12 which is inwardly recessed and arranged at the bottom of the side top block 10 and has a T-shaped cross section. Both ends of the connecting slot 12 pass through the side top block 10, and the top of the No. 1 straight top rod 11 has a connecting head 13 with a T-shaped cross section. The connecting slot 12 and the connecting head 13 can realize a detachable connection between the side top block and the No. 1 straight top rod, and when the side top block moves obliquely upward, the side top block can slide relative to the No. 1 straight top rod to meet the oblique movement requirements of the side top block.

[0029] Specifically, the oblique guide structure includes guide blocks 14 obliquely arranged on both sides of the side top block 10, and the guide blocks 14 are inserted into the guide slots 15 in the molding insert 4. When the side top block is subjected to vertical thrust, the guide blocks 14 cooperate with the guide slots to make the side top block move obliquely upward.

[0030] Specifically, the combined ejection structure 8 includes a straight ejector block 16 disposed in the molding insert 4 and an inclined ejector block 17 disposed at the lower side of the straight ejector block 16, the outer side wall of the inclined ejector block 17 is flush with the circumferential surface of the molding insert 4, a second straight ejector rod 18 connected to the straight ejector block 16 is fixedly connected to the ejector plate 5, and an inclined ejector rod 19 connected to the inclined ejector block 17 is also slidably connected to the ejector plate 5. When the ejector plate moves vertically upward, the second straight ejector rod can push the straight ejector block vertically upward, and when the ejector plate moves vertically upward, the inclined ejector block 17 can be driven to move obliquely upward by the inclined ejector rod 19 to separate the outer side wall of the inclined ejector block from the inner wall of the product.

[0031] Specifically, the No. 1 side core pulling assembly 6 includes a No. 1 core rod 20 horizontally arranged on the upper mold plate 1, the inner end of the No. 1 core rod 20 is inserted into the molding cavity 3, and also includes a vertical flat pulling assembly connected to the No. 1 core rod 20, the vertical flat pulling assembly includes a lifting driver 21 vertically fixed on the upper mold plate 1, the output shaft end of the lifting driver 21 is fixedly connected with a driving slider 22, the driving slider 22 is connected to the No. 1 core rod 20 through a vertical guide structure, the vertical guide structure includes a guide groove 23 obliquely arranged on the driving slider 22, the cross section of the guide groove 23 is T-shaped, and the cross section of the outer end of the No. 1 core rod 20 is T-shaped and inserted into the guide groove 23. The lifting driver can drive the driving slider to move vertically upward, and the vertical upward movement of the driving slider can drive the No. 1 core rod 20 to translate in a direction away from the molding cavity through the guide groove to realize automatic core pulling of the No. 1 core rod.

[0032] Those skilled in the art should understand that the lifting drive may be an oil cylinder, an air cylinder or a linear motor, etc.

[0033] Specifically, combined with Figure 1-Figure 3 As shown, the No. 2 side core pulling assembly 7 includes two No. 2 core rods 24 horizontally arranged in the upper mold plate 1, the inner ends of the No. 2 core rods 24 are inserted into the molding cavity 3, and the upper mold plate 1 is also provided with a horizontal core pulling assembly connected to the No. 2 core rods 24, and the horizontal core pulling assembly includes a linear drive 25 horizontally fixed on the upper mold plate 1, and the output shaft end of the linear drive 25 is fixedly connected to a core pulling slider 26, and the outer end of the No. 2 core rod 24 is connected to the core pulling slider 26. The linear drive can drive the core pulling slider to move horizontally, and the horizontal outward movement of the core pulling slider can drive the two No. 2 core rods to move away from the molding cavity to realize the automatic core pulling of the No. 2 core rod.

[0034] Those skilled in the art should understand that the linear drive may be an oil cylinder, an air cylinder or a linear motor, etc.

[0035] The working principle of the utility model is: the detachable side top block structure 9 can make the product ejected and the side top block structure separated from the inner wall of the product at the same time, and the detachable setting of the side top block structure can reduce the replacement cost in case of damage. After the product is injection molded, the No. 1 side core pulling component 6 and the No. 2 side core pulling component 7 can automatically pull the core;

[0036] When the top plate moves upward, the No. 1 straight push rod 11 can drive the side push block 10 to move and apply thrust to the product. The oblique guide structure can make the side push block 10 move obliquely upward when the thrust is applied, so that the side push block 10 can be separated from the product while ejecting the product. The No. 1 straight push rod 11 is connected to the side push block 10 through a sliding connection structure, which can not only meet the oblique movement requirements of the side push block 10, but also enable the side push block to be separated from the No. 1 straight push rod to reduce the replacement cost in case of damage. The side push can be realized by connecting the slide groove 12 and the connector 13. The side top block is detachably connected to the No. 1 straight top rod, and when the side top block moves obliquely upward, the side top block can slide relative to the No. 1 straight top rod to meet the oblique movement requirement of the side top block. When the side top block is subjected to vertical thrust, the guide block 14 cooperates with the guide slide groove to enable the side top block to move obliquely upward. When the top plate moves vertically upward, the No. 2 straight top rod can push the straight top block vertically upward to enable the straight top block to move vertically upward. When the top plate moves vertically upward, the oblique top rod 19 can also drive the oblique top block 17 to move obliquely upward to separate the outer wall of the oblique top block from the inner wall of the product.

[0037] The lifting drive can drive the driving slider to move vertically upward. The vertical upward movement of the driving slider can drive the No. 1 core rod 20 to move horizontally away from the molding cavity through the guide groove to realize automatic core pulling of the No. 1 core rod. The linear drive can drive the core pulling slider to move horizontally. The horizontal outward movement of the core pulling slider can drive the two No. 2 core rods to move away from the molding cavity to realize automatic core pulling of the No. 2 core rod.

[0038] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0039] Although this article uses the upper template 1, lower template 2, molding cavity 3, molding insert 4, ejector plate 5, No. 1 side core pulling assembly 6, No. 2 side core pulling assembly 7, combined ejection structure 8, detachable side ejector block structure 9, side ejector block 10, No. 1 straight ejector rod 11, connecting slide 12, connecting head 13, guide block 14, guide slide 15, straight ejector block 16, inclined ejector block 17, No. 2 straight ejector rod 18, inclined ejector rod 19, No. 1 core rod 20, lifting drive 21, drive slider 22, guide groove 23, No. 2 core rod 24, linear drive 25, core pulling slider 26, etc. more frequently, these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A high-gloss injection molding mold for electric vehicle headlight decoration parts, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: A molding cavity (3) is provided between the upper mold plate (1) and the lower mold plate (2); a molding insert (4) with an arc-shaped circumferential cross-section is protruding from the lower mold plate (2); a top plate (5) is provided on the lower side of the lower mold plate (2); a No. 1 side core pulling assembly (6) and a No. 2 side core pulling assembly (7) are provided on the left and right sides of the molding insert (4), respectively; a combined ejection structure (8) connected to the top plate (5) is provided on the side of the molding insert (4) close to the No. 2 side core pulling assembly (7); and a plurality of detachable side ejector block structures (9) connected to the top plate (5) are also provided on the molding insert (4) along the circumferential direction.

2. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 1, characterized in that: The detachable side top block structure (9) comprises a side top block (10) which is slidably arranged in the molding insert (4) through an oblique guide structure, the outer side surface of the side top block (10) is flush with the circumferential surface of the molding insert (4), and a No. 1 straight top rod (11) corresponding to the side top block (10) is vertically arranged on the top plate (5), and the No. 1 straight top rod (11) is connected to the side top block (10) through a sliding connection structure.

3. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 2, characterized in that: The sliding connection structure comprises a connecting groove (12) which is inwardly recessed and arranged at the bottom of the side top block (10) and has a T-shaped cross section. Both ends of the connecting groove (12) pass through the side top block (10), and the top of the No. 1 straight top rod (11) has a connecting head (13) with a T-shaped cross section.

4. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 3, characterized in that: The oblique guide structure comprises guide blocks (14) obliquely arranged on both sides of the side top block (10), and the guide blocks (14) are inserted into the guide sliding grooves (15) in the forming insert (4).

5. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 4, characterized in that: The combined ejection structure (8) comprises a straight ejection block (16) arranged in the molding insert (4) and an inclined ejection block (17) arranged on the lower side of the straight ejection block (16); the outer wall of the inclined ejection block (17) is flush with the circumferential surface of the molding insert (4); a second straight ejection rod (18) connected to the straight ejection block (16) is fixedly connected to the ejection plate (5); and an inclined ejection rod (19) connected to the inclined ejection block (17) is also slidably connected to the ejection plate (5).

6. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 1, characterized in that: The No. 1 side core pulling assembly (6) comprises a No. 1 core rod (20) horizontally arranged on the upper mold plate (1), the inner end of the No. 1 core rod (20) is inserted into the molding cavity (3), and also comprises a vertical flat pulling assembly connected to the No. 1 core rod (20).

7. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 6, characterized in that: The vertical pull-out assembly comprises a lifting driver (21) vertically fixed on the upper template (1), the output shaft end of the lifting driver (21) is fixedly connected with a driving slider (22), and the driving slider (22) is connected to the first core rod (20) through a vertical guide structure.

8. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 7, characterized in that: The vertical guide structure comprises a guide groove (23) obliquely arranged on the driving slider (22), the cross section of the guide groove (23) is T-shaped, and the cross section of the outer end of the first core rod (20) is T-shaped and inserted into the guide groove (23).

9. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 1, characterized in that: The No. 2 side core pulling assembly (7) comprises two No. 2 core rods (24) horizontally arranged in the upper mold plate (1), the inner ends of the No. 2 core rods (24) are inserted into the molding cavity (3), and the upper mold plate (1) is also provided with a horizontal core pulling assembly connected to the No. 2 core rods (24).

10. The high-gloss injection molding mold for electric vehicle headlight decoration according to claim 9, characterized in that: The horizontal core pulling assembly comprises a linear drive (25) horizontally fixed on the upper mold plate (1), the output shaft end of the linear drive (25) is fixedly connected with a core pulling slider (26), and the outer end of the second core rod (24) is connected to the core pulling slider (26).

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