CN218083931U - Injection mold for automobile fender - Google Patents
Injection mold for automobile fender Download PDFInfo
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- CN218083931U CN218083931U CN202222159068.7U CN202222159068U CN218083931U CN 218083931 U CN218083931 U CN 218083931U CN 202222159068 U CN202222159068 U CN 202222159068U CN 218083931 U CN218083931 U CN 218083931U
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- cavity
- flanging
- groove
- sliding rod
- forming
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Abstract
The utility model provides an injection mold for automobile fender, which comprises an upper mold with a cavity at the bottom and a lower mold with a core at the top; a fillet forming block is arranged on the inner wall of the cavity; a cavity forming groove is formed in the top of the mold core, a cavity guide inclined plane is formed in the position, away from the side wall of the fillet forming block, of the cavity forming groove, the cavity forming block is embedded in the cavity forming groove, and a cavity driving mechanism is arranged in the lower mold; the turn-ups shaping groove has been seted up at the top of core, and the turn-ups shaping groove is close to the inner tank wall in cavity shaping groove and is turn-ups guide inclined plane, inlays in the turn-ups shaping groove and is equipped with turn-ups shaping block, is provided with turn-ups actuating mechanism in the lower mould. Order about turn-ups shaping piece through turn-ups actuating mechanism and keep away from fillet shaping piece for push away from fillet shaping piece with the fillet, so can guarantee at the die sinking in-process, the difficult condition of being pulled bad that appears in fender's fillet.
Description
Technical Field
The utility model relates to an injection mold, in particular to injection mold for fender is related to.
Background
At present, current fender, as shown in fig. 1, including fender body 23, set up fillet 24, the setting at fender body 23 top edge are in the turn-ups 25 of fillet 24 bottom edge sets up the joint seat 26 of turn-ups 25 bottom edge, the slope downwardly extending of joint seat 26, joint seat 26 with be formed with cavity 27 between the fender body 23.
In the process of using an injection mold to carry out injection molding production on the automobile fender, in order to ensure the surface finish of the automobile fender and reduce subsequent processing, a parting surface is required to be arranged at the joint of a fillet and a flanging. However, such an arrangement may result in an undercut being formed in the upper die, and the undercut may break the fillet of the fender during the die opening process.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an injection mold for fender, its in the die sinking process, the difficult condition of being pulled bad that appears in fender's fillet.
In order to solve the technical problem, the technical scheme of the utility model is that: an injection mold for an automobile fender comprises an upper mold with a cavity at the bottom and a lower mold with a core at the top, wherein when the upper mold is buckled with the lower mold, the cavity is matched with the core to form a mold cavity; a fillet forming block is arranged on the inner wall of the cavity;
a cavity forming groove is formed in the top of the mold core, a cavity guide inclined plane is formed in the position, away from the side wall of the fillet forming block, of the cavity forming groove, a cavity forming block is embedded in the cavity forming groove, and a cavity driving mechanism used for driving the cavity forming block to slide along the cavity guide inclined plane is arranged in the lower mold;
the flanging die is characterized in that a flanging forming groove is formed in the top of the mold core and is located at one side, close to the round corner forming block, of the cavity forming groove, the flanging forming groove is communicated with the cavity forming groove, the inner groove wall, close to the cavity forming groove, of the cavity forming groove is a flanging guide inclined plane, the flanging forming block is embedded in the flanging forming groove, and a flanging driving mechanism used for driving the flanging forming block to slide along the flanging guide inclined plane is arranged in the lower die.
Through the technical scheme, in the die opening process, the cavity forming block is driven to move along the cavity guide inclined plane through the cavity driving mechanism. Because the cavity guide inclined plane is arranged in an inclined manner, the cavity forming block can gradually get away from the cavity while synchronously moving with the upper die. Meanwhile, the flanging forming block is driven to move along the flanging guide inclined plane through the flanging driving mechanism. Because turn-ups guide inclined plane is the slope setting, so turn-ups shaping piece can push away the fillet shaping piece gradually with the fillet when with last mould simultaneous movement. When the fillet is completely separated from the fillet forming block, the flanging driving mechanism is controlled to stop, so that the flanging forming block stops moving. And then the cavity driving mechanism continues to drive the cavity forming block to move until the cavity forming block is completely separated from the cavity. And finally, continuously controlling the upper die to be away from the fender, so that the upper die is completely separated from the fender, and the demolding process is completed. Through the steps, the situation that the fillet of the automobile fender is not easy to break due to pulling in the die sinking process can be guaranteed.
Preferably, the inclination angle a of the cavity guide slope is greater than the inclination angle b of the burring guide slope.
Through above-mentioned technical scheme, the inclination angle a on cavity guide inclined plane is greater than the inclination angle b on turn-ups guide inclined plane, and cavity shaping piece can leave sufficient activity space for turn-ups shaping piece like this to guarantee that the fillet can separate with fillet shaping piece fast.
Preferably, a cavity guide hole penetrates through the lower die, the cavity guide hole is communicated with the bottom of the cavity forming groove, and the cavity guide hole is parallel to the cavity guide inclined plane;
the cavity actuating mechanism comprises a cavity sliding rod and a cavity driving element, the cavity sliding rod is arranged in the cavity guide hole in a sliding mode, the upper end of the cavity sliding rod is connected with the cavity forming block, the lower end of the cavity sliding rod is connected with the cavity driving element, and the cavity driving element is used for driving the cavity sliding rod to slide in the cavity guide hole.
Through the technical scheme, when the cavity sliding rod is used, the cavity sliding rod is controlled to slide in the cavity guide hole through the cavity driving element. The inner hole wall of the cavity guiding hole is abutted to the outer wall of the cavity sliding rod and used for limiting and guiding the sliding of the cavity sliding rod.
Preferably, a cavity placing groove is formed in the bottom of the lower die and is communicated with the cavity guide hole in a coaxial mode, a cavity wear-resistant sleeve is embedded in the cavity placing groove, the cavity sliding rod penetrates through the cavity wear-resistant sleeve, and the cavity sliding rod is connected with the lower die in a sliding mode through the cavity wear-resistant sleeve.
Through the technical scheme, the concave cavity sliding rod is connected with the lower die in a sliding mode through the concave cavity wear-resistant sleeve, so that the lower die is not prone to abrasion.
Preferably, a flanging guide hole penetrates through the lower die, the flanging guide hole is communicated with the bottom of the flanging forming groove, and the flanging guide hole is parallel to the flanging guide inclined plane;
the flanging driving mechanism comprises a flanging sliding rod and a flanging driving element, the flanging sliding rod is arranged in the flanging guide hole in a sliding mode, the upper end of the flanging sliding rod is connected with the flanging forming block, the lower end of the flanging sliding rod is connected with the flanging driving element, and the flanging driving element is used for driving the flanging sliding rod to slide in the flanging guide hole.
Through the technical scheme, when the flanging device is used, the flanging sliding rod is controlled to slide in the flanging guide hole through the flanging driving element. The inner hole wall of the flanging guide hole is abutted to the outer wall of the flanging sliding rod and used for limiting and guiding the sliding of the flanging sliding rod.
Preferably, the bottom of the lower die is provided with a flanging placing groove, the flanging placing groove is coaxially communicated with the flanging guide hole, a flanging wear-resistant sleeve is embedded in the flanging placing groove, the flanging sliding rod penetrates through the flanging wear-resistant sleeve, and the flanging sliding rod is connected with the lower die in a sliding mode through the flanging wear-resistant sleeve.
Through the technical scheme, the flanging sliding rod is connected with the lower die in a sliding manner through the flanging wear-resistant sleeve, so that the lower die is not easy to wear.
Preferably, the flanging guide inclined plane is provided with a groove, the side wall of the flanging forming block is provided with a sliding plate, and the sliding plate is connected in the groove in a sliding manner.
Through the technical scheme, when the flanging forming block slides in the flanging forming groove, the sliding plate slides in the groove to limit the limit sliding position of the flanging forming block, so that the flanging forming block is not easy to separate from the lower die.
Preferably, an air hole is formed in the flanging forming block, one end of the air hole is communicated with the die cavity, and the other end of the air hole is communicated with the top of the groove;
when the flanging forming block is accommodated in the flanging forming block, the sliding plate is abutted against the inner groove wall of the bottom of the groove.
Through above-mentioned technical scheme, when turn-ups shaping piece slided towards the turn-ups shaping inslot outside, the sliding block removed towards the top of recess, impressed the gas pocket with the air at cavity top in for with fender and the separation of cavity shaping piece, the drawing of patterns accelerates.
Drawings
FIG. 1 is a schematic diagram of a conventional fender structure;
FIG. 2 is a schematic structural diagram of an embodiment;
FIG. 3 is a partial cross-sectional view of the first embodiment;
FIG. 4 is a second partial sectional view of the embodiment.
Reference numerals are as follows: 1. a cavity; 2. an upper die; 3. a core; 4. a lower die; 5. forming a fillet block; 6. a cavity forming groove; 7. the concave cavity guides the inclined plane; 8. a cavity forming block; 9. a cavity driving mechanism; 91. a recessed cavity slide bar; 92. a cavity drive element; 10. a flanging forming groove; 11. a flange guide ramp; 12. flanging and forming blocks; 13. a flanging driving mechanism; 131. a flanging sliding rod; 132. a flanging driving element; 14. a cavity guide hole; 15. a concave cavity placing groove; 16. a concave cavity wear-resistant sleeve; 17. flanging guide holes; 18. a flanging placing groove; 19. a flanging wear-resistant sleeve; 20. a groove; 21. a sliding plate; 22. air holes; 23. a fender body; 24. round corners; 25. flanging; 26. a clamping seat; 27. a cavity.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
An injection mold for an automobile fender panel, as shown in fig. 2 to 4, includes an upper mold 2 having a cavity 1 at the bottom and a lower mold 4 having a core 3 at the top. When the upper die 2 is buckled with the lower die 4, the die cavity 1 is matched with the core 3 to form a die cavity.
And a fillet forming block 5 is arranged on the inner wall of the cavity 1 and used for forming a fillet in the automobile fender.
The cavity forming groove 6 has been seted up at the top of core 3, and cavity forming groove 6 keeps away from the lateral wall department cavity guide inclined plane 7 of fillet shaping piece 5, and the inclination of cavity guide inclined plane 7 is a. A cavity forming block 8 is embedded in the cavity forming groove 6, and a cavity driving mechanism 9 for driving the cavity forming block 8 to slide along the cavity guide inclined plane 7 is arranged in the lower die 4.
The bottom of the lower die 4 is provided with a cavity guide hole 14 in an upward penetrating manner, the cavity guide hole 14 is communicated with the bottom of the cavity forming groove 6, and the cavity guide hole 14 is parallel to the cavity guide inclined surface 7. The cavity drive mechanism 9 includes a cavity slide bar 91 and a cavity drive member 92. The cavity slide bar 91 is slidably disposed in the cavity guide hole 14, the upper end of the cavity slide bar 91 is connected to the cavity forming block 8, and the lower end of the cavity slide bar 91 is connected to the cavity driving member 92. The pocket driving member 92 is configured to drive the pocket sliding rod 91 to slide in the pocket guide hole 14. In this embodiment, pocket drive member 92 is an ejector plate.
The bottom of lower mould 4 has seted up cavity standing groove 15, and cavity standing groove 15 is coaxial intercommunication with cavity bullport 14. A concave cavity wear-resistant sleeve 16 is embedded in the concave cavity placing groove 15, a concave cavity sliding rod 91 penetrates through the concave cavity wear-resistant sleeve 16, and the concave cavity sliding rod 91 is connected with the lower die 4 in a sliding mode through the concave cavity wear-resistant sleeve 16.
The top of core 3 has been seted up turn-ups shaping groove 10, and turn-ups shaping groove 10 is located one side that cavity shaping groove 6 is close to fillet shaping piece 5, and turn-ups shaping groove 10 is linked together with cavity shaping groove 6. The inner groove wall of the flanging forming groove 10 close to the cavity forming groove 6 is a flanging guide inclined plane 11, the inclination angle of the flanging guide inclined plane 11 is b, and b is less than a. The flanging forming groove 10 is embedded with a flanging forming block 12, and the lower die 4 is provided with a flanging driving mechanism 13 for driving the flanging forming block 12 to slide along the flanging guide inclined plane 11.
The lower die 4 is provided with a flanging guide hole 17 in a penetrating manner, the flanging guide hole 17 is communicated with the bottom of the flanging forming groove 10, and the flanging guide hole 17 is parallel to the flanging guide inclined surface 11. The burring drive mechanism 13 includes a burring slide lever 131 and a burring drive element 132. The flanging sliding rod 131 is arranged in the flanging guide hole 17 in a sliding manner, the upper end of the flanging sliding rod 131 is connected with the flanging forming block 12, the lower end of the flanging sliding rod 131 is connected with a flanging driving element 132, and the flanging driving element 132 is used for driving the flanging sliding rod 131 to slide in the flanging guide hole 17.
The bottom of the lower die 4 is provided with a flanging placing groove 18, and the flanging placing groove 18 is coaxially communicated with the flanging guide hole 17. The flanging wear-resistant sleeve 19 is embedded in the flanging placing groove 18, the flanging sliding rod 131 penetrates through the flanging wear-resistant sleeve 19, and the flanging sliding rod 131 is connected with the lower die 4 in a sliding mode through the flanging wear-resistant sleeve 19.
A groove 20 is formed in the flanging guide inclined plane 11, a sliding plate 21 is arranged on the side wall of the flanging forming block 12, and the sliding plate 21 is connected in the groove 20 in a sliding mode. When the cuff forming block 12 is housed inside the cuff forming block 12, the slide plate 21 abuts against the bottom inner groove wall of the groove 20. An air hole 22 is formed in the flanging molding block 12, one end of the air hole 22 is communicated with the mold cavity, and the other end of the air hole 22 is positioned above the sliding plate 21 and is communicated with the groove 20.
Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.
Claims (8)
1. An injection mold for an automobile fender comprises an upper mold (2) with a cavity (1) at the bottom and a lower mold (4) with a mold core (3) at the top, wherein when the upper mold (2) is buckled with the lower mold (4), the cavity (1) is matched with the mold core (3) to form a mold cavity; the method is characterized in that: a fillet forming block (5) is arranged on the inner wall of the cavity (1);
a cavity forming groove (6) is formed in the top of the mold core (3), a cavity guide inclined plane (7) is formed in the position, away from the side wall of the fillet forming block (5), of the cavity forming groove (6), a cavity forming block (8) is embedded in the cavity forming groove (6), and a cavity driving mechanism (9) used for driving the cavity forming block (8) to slide along the cavity guide inclined plane (7) is arranged in the lower mold (4);
the flanging die is characterized in that a flanging forming groove (10) is formed in the top of the mold core (3), the flanging forming groove (10) is located on one side, close to the fillet forming block (5), of the cavity forming groove (6), the flanging forming groove (10) is communicated with the cavity forming groove (6), the inner groove wall, close to the cavity forming groove (6), of the flanging forming groove (10) is a flanging guide inclined plane (11), a flanging forming block (12) is embedded in the flanging forming groove (10), and a flanging driving mechanism (13) used for driving the flanging forming block (12) to slide along the flanging guide inclined plane (11) is arranged in the lower die (4).
2. An injection mold for an automobile fender panel according to claim 1, characterized in that: the inclination angle a of the cavity guide inclined surface (7) is larger than the inclination angle b of the flanging guide inclined surface (11).
3. An injection mold for an automobile fender panel according to claim 1, characterized in that: a cavity guide hole (14) penetrates through the lower die (4), the cavity guide hole (14) is communicated with the bottom of the cavity forming groove (6), and the cavity guide hole (14) is parallel to the cavity guide inclined surface (7);
the cavity driving mechanism (9) comprises a cavity sliding rod (91) and a cavity driving element (92), the cavity sliding rod (91) is arranged in the cavity guide hole (14) in a sliding mode, the upper end of the cavity sliding rod (91) is connected with the cavity forming block (8), the lower end of the cavity sliding rod (91) is connected with the cavity driving element (92), and the cavity driving element (92) is used for driving the cavity sliding rod (91) to slide in the cavity guide hole (14).
4. An injection mold for an automobile fender panel according to claim 3, characterized in that: cavity standing groove (15) have been seted up to the bottom of lower mould (4), cavity standing groove (15) with the coaxial intercommunication of cavity bullport (14), inlay in cavity standing groove (15) and be equipped with the wear-resisting cover of cavity (16), cavity slide bar (91) pass the wear-resisting cover of cavity (16), just cavity slide bar (91) pass through the wear-resisting cover of cavity (16) with lower mould (4) slide and link to each other.
5. An injection mold for an automobile fender panel according to claim 1, wherein: a flanging guide hole (17) penetrates through the lower die (4), the flanging guide hole (17) is communicated with the bottom of the flanging forming groove (10), and the flanging guide hole (17) is parallel to the flanging guide inclined surface (11);
the flanging driving mechanism (13) comprises a flanging sliding rod (131) and a flanging driving element (132), the flanging sliding rod (131) is arranged in the flanging guide hole (17) in a sliding mode, the upper end of the flanging sliding rod (131) is connected with the flanging forming block (12), the lower end of the flanging sliding rod (131) is connected with the flanging driving element (132), and the flanging driving element (132) is used for driving the flanging sliding rod (131) to slide in the flanging guide hole (17).
6. An injection mold for an automobile fender panel according to claim 5, characterized in that: the flanging guide hole structure is characterized in that a flanging placing groove (18) is formed in the bottom of the lower die (4), the flanging placing groove (18) is coaxially communicated with the flanging guide hole (17), a flanging wear-resistant sleeve (19) is embedded in the flanging placing groove (18), the flanging sliding rod (131) penetrates through the flanging wear-resistant sleeve (19), and the flanging sliding rod (131) is connected with the lower die (4) in a sliding mode through the flanging wear-resistant sleeve (19).
7. An injection mold for an automobile fender panel according to claim 1, characterized in that: the flanging guide inclined plane (11) is provided with a groove (20), the side wall of the flanging forming block (12) is provided with a sliding plate (21), and the sliding plate (21) is connected in the groove (20) in a sliding manner.
8. An injection mold for an automobile fender panel according to claim 7, wherein: an air hole (22) is formed in the flanging molding block (12), one end of the air hole (22) is communicated with the mold cavity, and the other end of the air hole (22) is positioned above the sliding plate (21) and is communicated with the groove (20);
when the flanging forming block (12) is accommodated in the flanging forming block (12), the sliding plate (21) is abutted against the inner groove wall of the bottom of the groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222159068.7U CN218083931U (en) | 2022-08-16 | 2022-08-16 | Injection mold for automobile fender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222159068.7U CN218083931U (en) | 2022-08-16 | 2022-08-16 | Injection mold for automobile fender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218083931U true CN218083931U (en) | 2022-12-20 |
Family
ID=84445784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222159068.7U Active CN218083931U (en) | 2022-08-16 | 2022-08-16 | Injection mold for automobile fender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218083931U (en) |
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2022
- 2022-08-16 CN CN202222159068.7U patent/CN218083931U/en active Active
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