Injection mold for front bumper of sports car

Abstract

The utility model provides an injection mold for a front bumper of a sports car, and belongs to the technical field of molds. The die comprises an upper die plate and a lower die plate, a forming cavity is formed between the upper die plate and the lower die plate, a middle insert and two side inserts are arranged on the lower die plate, the tops of the two side inserts are connected with the two sides of the bottom of the middle insert respectively, and a lower forming face forming the forming cavity is formed on the top of the middle insert and the outer side walls of the side inserts. The bottom of the outer side wall of the side insert is inwards concaved to be provided with a buckle forming part connected with the forming cavity, and the side insert is slidably provided with a buckle ejecting-disengaging sliding block. After a product is subjected to injection molding, the ejection plate moves upwards to eject the product by utilizing the ejection mechanism, and meanwhile, the buckle ejection-disengaging sliding block can be driven to translate towards the outer side of the lower mold plate through the inclined guide ejection assembly, so that horizontal outward thrust can be applied to the buckle position of the buckle forming part, and the buckle position can be prevented from being damaged when the product is ejected out.

Description

TECHNICAL FIELD

[0001] The utility model belongs to die technical field relates to a sports car front bumper injection mold. BACKGROUND

[0002] The sports car front bumper is generally formed by a mold injection, and the sports car front bumper has a buckle structure at the bottom of the side wall on both sides. In the prior art, the front bumper product is directly pushed upward when being ejected. During this process, the buckle structure is often damaged, and the product qualification rate is low.

[0003] For example, a front bumper decoration cover assembly injection mold is disclosed in Chinese Patent [Application No. 202121096207.5], which includes a front backing plate, a front mold plate, a rear mold plate, a ejector rod plate, and an ejector rod bottom plate. The front mold plate is provided with an outer contour punch and an outer contour recess. The rear mold plate is provided with an inner contour recess, an inner contour punch, and an inner contour recess. The front mold plate is provided with a mounting hole punch. The ejector rod bottom plate is provided with an ejector rod. The rear mold plate is provided with a slide block punch. The front mold plate is provided with a slide block punch pressing plate. UTILITY MODEL CONTENT

[0004] The utility model aims at the above -mentioned problem, provides a sports car front bumper injection mold.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A sports car front bumper injection mold, comprising an upper mold plate and a lower mold plate, wherein a forming cavity is arranged between the upper mold plate and the lower mold plate, the lower mold plate is provided with a middle insert and two side inserts, the top parts of the two side inserts are respectively connected to the two sides of the bottom of the middle insert, the lower forming surface of the forming cavity is formed on the top part of the middle insert and the outer side wall of the side insert, the outer side wall of the side insert is inwardly recessed at the bottom to form a buckle forming part connected to the forming cavity, a buckle ejection slide block is slidably arranged on the side insert, the lower part of the buckle forming part is formed on the top part of the buckle ejection slide block, a top plate is arranged on the lower side of the lower mold plate, and an inclined guide ejection assembly is further arranged between the top plate and the buckle ejection slide block.

[0007] In the sports car front bumper injection mold described above, the inclined guide ejection assembly comprises a lifting seat connected to the top plate through a straight ejector rod, the side part of the lifting seat is inclinedly provided with a guide rail slide block, the inner end of the buckle ejection slide block is fixedly connected with a pull rod which penetrates through the side insert horizontally, and the inner end of the pull rod is provided with a clamping groove which is in sliding cooperation with the guide rail slide block.

[0008] In the sports car front bumper injection mold described above, when the lifting seat moves vertically upward, the guide rail slide block can drive the pull rod and the buckle ejection slide block connected to the pull rod to move horizontally away from the lower mold plate.

[0009] In the above-mentioned sports car front bumper injection mold, the front side of the lower mold plate is provided with a first side core-pulling mechanism connected with the side of the intermediate insert, the front and rear sides of the side insert are respectively provided with a second side core-pulling mechanism and a third side core-pulling mechanism, and the upper mold plate is symmetrically provided with vertical guide translation core-pulling mechanisms connected with the outer side wall of the side insert.

[0010] In the above-mentioned sports car front bumper injection mold, the first side core-pulling mechanism comprises a first side core block slidingly arranged on the lower mold plate, the inner end of the first side core block is connected with the intermediate insert, and the side of the lower mold plate is fixedly connected with two horizontally arranged first linear drives, and the output shaft end of the first linear drive is connected with the first side core block.

[0011] In the above-mentioned sports car front bumper injection mold, the second side core-pulling mechanism comprises a second side core block slidingly arranged on the lower mold plate, the inner end of the second side core block abuts against the side insert, and the side of the lower mold plate is further fixedly connected with a second linear drive, and the output shaft end of the second linear drive is connected with the second side core block.

[0012] In the above-mentioned sports car front bumper injection mold, the third side core-pulling mechanism comprises a third side core block slidingly arranged on the lower mold plate, the inner end of the third side core block abuts against the side insert, and the side of the lower mold plate is further fixedly connected with a third linear drive, and the output shaft end of the third linear drive is connected with the third side core block.

[0013] In the above-mentioned sports car front bumper injection mold, the second side core block and the first side core block are located on the same side of the lower mold plate, and the third side core block and the first side core block are located on opposite sides of the lower mold plate.

[0014] In the above-mentioned sports car front bumper injection mold, the vertical guide translation core-pulling mechanism comprises a fourth side core block arranged horizontally, the inner end of the fourth side core block abuts against the outer side wall of the side insert, the fourth side core block is slidingly connected with the upper mold plate, a limiting sleeve is fixedly connected to the upper mold plate, a driving sliding block connected with a lifting drive is slidingly arranged in the limiting sleeve, and the driving sliding block and the fourth side core block are connected through an inclined guide structure.

[0015] In the above-mentioned sports car front bumper injection mold, the inclined guide structure comprises a guide sliding groove arranged obliquely on the driving sliding block, a connecting seat is fixedly connected to the outer end of the fourth side core block, a guide sliding block is arranged at the outer end of the connecting seat and inserted into the guide sliding groove, and the cross section of the guide sliding block and the guide sliding groove is T-shaped.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. After the product is injection molded, the top plate moves upward to use the ejection mechanism to eject the product, and at the same time, the buckle top ejection assembly can drive the buckle top ejection slide block to translate outwardly to the lower die plate, so as to exert a horizontal outward pushing force on the buckle position of the buckle forming part, thereby preventing the buckle position from being damaged when the product is ejected.

[0018] 2. When the top plate moves upward, the straight top rod can drive the lifting seat to move vertically upward, and the lifting seat vertically upward can drive the pull rod and the buckle top ejection slide block connected with the pull rod to move horizontally away from the lower die plate.

[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 upon reading and understanding the specification. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a sectional view of the present application;

[0021] Figure 2 is a three-dimensional view of the lower die plate;

[0022] Figure 3 is a three-dimensional view of the lower die plate in another direction;

[0023] Figure 4 is a partial structure schematic view of the lower die plate;

[0024] Figure 5 is Figure 1 the enlarged schematic view of A in the middle.

[0025] In the figure, the upper die plate 1, the lower die plate 2, the forming cavity 3, the intermediate insert 4, the side insert 5, the buckle forming part 6, the buckle top ejection slide block 7, the top plate 8, the inclined guide ejection assembly 9, the lifting seat 10, the guide rail slide block 11, the pull rod 12, the first side core pulling mechanism 13, the second side core pulling mechanism 14, the third side core pulling mechanism 15, the vertical guide translation core pulling mechanism 16, the first side core block 17, the first linear driver 18, the second side core block 19, the second linear driver 20, the third side core block 21, the third linear driver 22, the fourth side core block 23, the limiting sleeve 24, the lifting driver 25, the driving slide block 26, the connecting seat 27, the guide slide block 28. DETAILED DESCRIPTION

[0026] As Figures 1-5As shown, a sports car front bumper injection mold, including the upper die plate 1 and the lower die plate 2, the upper die plate 1 and the lower die plate 2 are provided with forming cavity 3, the lower die plate 2 is provided with middle insert 4 and two side inserts 5, two side inserts 5 top respectively with middle insert 4 bottom two sides are connected, the lower forming surface of forming cavity 3 is formed on the top of middle insert 4 and the outer side wall of side insert 5, the outer side wall bottom of side insert 5 is provided with buckle forming part 6 connected with forming cavity 3, the buckle top ejection slide 7 is slidably arranged on the side insert 5, the lower part of buckle forming part 6 is formed on the top of buckle top ejection slide 7, the lower side of lower die plate 2 is provided with top plate 8, the top plate 8 and buckle top ejection slide 7 are further provided with inclined guide ejection assembly 9.

[0027] In the utility model, after product injection molding, the top plate moves upward to eject the product by the ejection mechanism, and the buckle top ejection slide 7 can be driven to translate to the outside of the lower die plate by the inclined guide ejection assembly 9, so that the horizontal outward thrust can be applied to the buckle position of the buckle forming part to prevent the buckle position from being damaged when the product is ejected.

[0028] Specifically, the inclined guide ejection assembly 9 includes a lifting seat 10 connected to the top plate 8 by a straight ejector rod, the lifting seat 10 is provided with a guide rail slide 11 on the side, the buckle top ejection slide 7 is fixedly connected with a pull rod 12 horizontally penetrating the side insert 5, the pull rod 12 is provided with a clamping groove in the inner end, and the clamping groove is in sliding fit with the guide rail slide 11, when the lifting seat 10 moves vertically upward, the guide rail slide 11 can drive the pull rod 12 and the buckle top ejection slide 7 connected with the pull rod 12 to move horizontally away from the lower die plate 2.

[0029] When the top plate moves upward, the lifting seat can be driven vertically upward by the straight ejector rod, and the lifting seat can drive the pull rod 12 and the buckle top ejection slide 7 connected with the pull rod 12 to move horizontally away from the lower die plate 2 by the guide rail slide 11.

[0030] Specifically, the front side of the lower die plate 2 is provided with a first side core-pulling mechanism 13 connected with the side of the middle insert 4, the front and rear sides of the side insert 5 are respectively provided with a second side core-pulling mechanism 14 and a third side core-pulling mechanism 15, and the upper die plate 1 is symmetrically provided with a vertical guide translation core-pulling mechanism 16 connected with the outer side wall of the side insert 5. Before opening the mold, the vertical guide translation core-pulling mechanism 16 can automatically core-pulling, after opening the mold, before ejecting the product, the first side core-pulling mechanism 13, the second side core-pulling mechanism 14 and the third side core-pulling mechanism 15 can automatically core-pulling.

[0031] Specifically, the first side core-pulling mechanism 13 comprises a first side core block 17 slidably arranged on the lower die plate 2, the inner end of the first side core block 17 being connected with the middle insert block 4, and two horizontally arranged first linear drives 18 being fixed on the side of the lower die plate 2, the output shaft end of the first linear drive 18 being connected with the first side core block 17.

[0032] After the product is injection molded, the two first linear drives can drive the first side core block to translate away from the lower die plate, so that the automatic core pulling of the first side core block can be realized.

[0033] Those skilled in the art should understand that the first linear drive can be an oil cylinder, an air cylinder or a linear motor, etc.

[0034] Specifically, the second side core-pulling mechanism 14 comprises a second side core block 19 slidably arranged on the lower die plate 2, the inner end of the second side core block 19 abutting against the side insert block 5, and a second linear drive 20 being horizontally fixed on the side of the lower die plate 2, the output shaft end of the second linear drive 20 being connected with the second side core block 19. After the product is injection molded, the second linear drive 20 can drive the second side core block 19 to translate away from the side insert block, so that the automatic core pulling of the second side core block can be realized.

[0035] Those skilled in the art should understand that the second linear drive can be an oil cylinder, an air cylinder or a linear motor, etc.

[0036] Specifically, the third side core-pulling mechanism 15 comprises a third side core block 21 slidably arranged on the lower die plate 2, the inner end of the third side core block 21 abutting against the side insert block 5, and a third linear drive 22 being horizontally fixed on the side of the lower die plate 2, the output shaft end of the third linear drive 22 being connected with the third side core block 21. After the product is injection molded, the third linear drive 22 can drive the third side core block 21 to translate away from the side insert block, so that the automatic core pulling of the third side core block 21 can be realized.

[0037] Those skilled in the art should understand that the third linear drive can be an oil cylinder, an air cylinder or a linear motor, etc.

[0038] Specifically, the second side core block 19 and the first side core block 17 are located on the same side of the lower die plate 2, and the third side core block 21 and the first side core block 17 are located on the opposite side of the lower die plate 2.

[0039] Specifically, the vertical guiding and translating core-pulling mechanism 16 comprises a horizontally arranged No. 4 side core block 23, the inner end of the No. 4 side core block 23 abuts against the outer side wall of the side insert block 5, the No. 4 side core block 23 is slidably connected with the upper mold plate 1, the upper mold plate 1 is fixedly connected with a limiting sleeve 24, the limiting sleeve 24 is slidably arranged with a driving sliding block 26 connected with a lifting driver 25, and the driving sliding block 26 and the No. 4 side core block 23 are connected through an inclined guiding structure. Before mold opening, the lifting driver 25 can drive the driving sliding block to vertically ascend and descend, the vertical upward movement of the driving sliding block can drive the No. 4 side core block to translate away from the side insert block through the inclined guiding structure, so that the automatic core-pulling of the No. 4 side core block can be realized; the inclined guiding structure comprises a guiding sliding groove obliquely arranged on the driving sliding block 26, the outer end of the No. 4 side core block 23 is fixedly connected with a connecting seat 27, the outer end of the connecting seat 27 is provided with a guiding sliding block 28 inserted into the guiding sliding groove, the cross section of the guiding sliding block 28 and the guiding sliding groove is T-shaped, and the vertical upward movement of the driving sliding block can drive the connecting seat to translate away from the side insert block through the cooperation of the guiding sliding groove and the guiding sliding block, so that the automatic core-pulling of the No. 4 side core block can be realized.

[0040] Those skilled in the art should understand that the lifting driver can be an oil cylinder, an air cylinder or a linear motor.

[0041] The working principle of the utility model is: after product injection molding, the upward movement of the top plate uses the ejection mechanism to eject the product, and at the same time, the inclined guiding ejection assembly 9 can drive the buckle top ejection sliding block 7 to translate to the outside of the lower mold plate, so that the horizontal outward thrust can be applied to the buckle position of the buckle forming part to prevent the buckle position from being damaged when the product is ejected.

[0042] When the top plate moves upward, the vertical upward movement of the lifting seat can be driven by the straight top rod, the vertical upward movement of the lifting seat can drive the pull rod 12 and the buckle top ejection sliding block 7 connected with the pull rod 12 to horizontally move away from the lower mold plate 2 through the guide rail sliding block 11.

[0043] Before the mold is opened, the vertical guide translation core pulling mechanism 16 can automatically pull the core, after the mold is opened, before the product is ejected, the first side core pulling mechanism 13, the second side core pulling mechanism 14 and the third side core pulling mechanism 15 can automatically pull the core, after the product is injection molded, the two first linear drives act synchronously to drive the first side core block to translate away from the lower mold plate direction so as to realize the automatic core pulling of the first side core block, after the product is injection molded, the second linear drive 20 can drive the second side core block 19 to translate away from the side insert direction so as to realize the automatic core pulling of the second side core block, after the product is injection molded, the third linear drive 22 can drive the third side core block 21 to translate away from the side insert direction so as to realize the automatic core pulling of the third side core block 21, before the mold is opened, the lifting drive 25 can drive the drive sliding block to lift along the vertical direction, the vertical upward movement of the drive sliding block can drive the connecting seat to translate away from the side insert direction through the cooperation of the guide sliding groove and the guide sliding block so as to realize the automatic core pulling of the fourth side core block.

[0044] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0045] Although the upper mold plate 1, the lower mold plate 2, the forming cavity 3, the middle insert 4, the side insert 5, the buckle forming part 6, the buckle top ejection sliding block 7, the top plate 8, the inclined guide ejection assembly 9, the lifting seat 10, the guide rail sliding block 11, the pull rod 12, the first side core pulling mechanism 13, the second side core pulling mechanism 14, the third side core pulling mechanism 15, the vertical guide translation core pulling mechanism 16, the first side core block 17, the first linear drive 18, the second side core block 19, the second linear drive 20, the third side core block 21, the third linear drive 22, the fourth side core block 23, the limiting sleeve 24, the lifting drive 25, the drive sliding block 26, the connecting seat 27, the guide sliding block 28 and the like are used more frequently in this paper, the use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. A front bumper injection mold for a sports car, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that, The upper die plate (1) and the lower die plate (2) are provided with a forming cavity (3), the lower die plate (2) is provided with an intermediate insert block (4) and two side insert blocks (5), the top of the two side insert blocks (5) is connected with the two sides of the bottom of the intermediate insert block (4) respectively, the lower forming surface of the forming cavity (3) is formed on the top of the intermediate insert block (4) and the outer side wall of the side insert block (5), the outer side wall of the side insert block (5) is provided with a buckle forming part (6) connected with the forming cavity (3) on the bottom, the side insert block (5) is provided with a buckle top ejection slide block (7) slidingly, the lower part of the buckle forming part (6) is formed on the top of the buckle top ejection slide block (7), the lower side of the lower die plate (2) is provided with a top plate (8), the top plate (8) and the buckle top ejection slide block (7) are further provided with an inclined guide ejection assembly (9).

2. The front bumper injection mold for a sports car according to claim 1, characterized by, The inclined guide ejection assembly (9) comprises a lifting seat (10) connected with the top plate (8) through a straight top rod, the side of the lifting seat (10) is provided with a guide rail slide block (11) obliquely, the inner end of the buckle top ejection slide block (7) is fixedly connected with a pull rod (12) penetrating through the side insert block (5) horizontally, the inner end of the pull rod (12) is provided with a clamping groove, and the clamping groove is in sliding fit with the guide rail slide block (11).

3. The front bumper injection mold for a sports car according to claim 2, characterized by, When the lifting seat (10) moves vertically upward, the guide rail slide block (11) can drive the pull rod (12) and the buckle top ejection slide block (7) connected with the pull rod (12) to move horizontally away from the lower die plate (2).

4. The front bumper injection mold for a sports car according to claim 2, wherein The front side of the lower die plate (2) is provided with a first side core pulling mechanism (13) connected with the side of the intermediate insert block (4), the front and rear sides of the side insert block (5) are respectively provided with a second side core pulling mechanism (14) and a third side core pulling mechanism (15), and the two sides of the upper die plate (1) are symmetrically provided with vertical guide translation core pulling mechanisms (16) connected with the outer side wall of the side insert block (5).

5. The sports car front bumper injection mold of claim 4, wherein, The first side core pulling mechanism (13) comprises a first side core block (17) slidingly arranged on the lower die plate (2), the inner end of the first side core block (17) is connected with the intermediate insert block (4), and the side of the lower die plate (2) is fixedly connected with two horizontally arranged first linear drives (18), and the output shaft end of the first linear drive (18) is connected with the first side core block (17).

6. The sports car front bumper injection mold of claim 5, wherein, The second side core pulling mechanism (14) comprises a second side core block (19) slidingly arranged on the lower die plate (2), the inner end of the second side core block (19) abuts against the side insert block (5), and the side of the lower die plate (2) is further fixedly connected with a second linear drive (20) horizontally, and the output shaft end of the second linear drive (20) is connected with the second side core block (19).

7. The sports car front bumper injection mold of claim 6, wherein, The third side core pulling mechanism (15) comprises a third side core block (21) slidingly arranged on the lower die plate (2), the inner end of the third side core block (21) abuts against the side insert block (5), and the side of the lower die plate (2) is further fixedly connected with a third linear drive (22) horizontally, and the output shaft end of the third linear drive (22) is connected with the third side core block (21).

8. The sports car front bumper injection mold of claim 7, wherein, The second side core block (19) and the first side core block (17) are located on the same side of the lower mold plate (2), and the third side core block (21) and the first side core block (17) are located on the opposite side of the lower mold plate (2).

9. The sports car front bumper injection mold of claim 5, wherein, The vertical guiding and translating core pulling mechanism (16) comprises a fourth side core block (23) horizontally arranged, the inner end of the fourth side core block (23) is in abutment with the outer side wall of the side insert block (5), the fourth side core block (23) is in sliding connection with the upper mold plate (1), the upper mold plate (1) is fixedly connected with a limiting sleeve (24), the limiting sleeve (24) is internally slidably provided with a driving sliding block (26) connected with a lifting driver (25), and the driving sliding block (26) and the fourth side core block (23) are connected through inclined guiding structure.

10. The sports car front bumper injection mold of claim 9, wherein, The inclined guiding structure comprises a guiding sliding groove obliquely arranged on the driving sliding block (26), the outer end of the fourth side core block (23) is fixedly connected with a connecting seat (27), the outer end of the connecting seat (27) is provided with a guiding sliding block (28) inserted into the guiding sliding groove, and the cross section of the guiding sliding block (28) and the guiding sliding groove is T-shaped.

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