CN222712760U - Electric vehicle headlamp face guard injection mold with back-off demoulding mechanism - Google Patents
Electric vehicle headlamp face guard injection mold with back-off demoulding mechanism Download PDFInfo
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- CN222712760U CN222712760U CN202421383466.XU CN202421383466U CN222712760U CN 222712760 U CN222712760 U CN 222712760U CN 202421383466 U CN202421383466 U CN 202421383466U CN 222712760 U CN222712760 U CN 222712760U
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- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000000465 moulding Methods 0.000 claims abstract description 160
- 239000004033 plastic Substances 0.000 claims abstract description 27
- 229920003023 plastic Polymers 0.000 claims abstract description 27
- 238000007493 shaping process Methods 0.000 claims description 53
- 230000000670 limiting effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 235000000396 iron Nutrition 0.000 claims 2
- 238000001746 injection moulding Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 14
- 239000002991 molded plastic Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 229910052742 iron Inorganic materials 0.000 description 10
- 239000012768 molten material Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本实用新型属于模具技术领域，尤其涉及一种具有倒扣式脱模机构的电动车前大灯面罩注塑模具。本实用新型，包括前大灯面罩成型下模和前大灯面罩成型上模。本实用新型在注塑过程中，将前大灯面罩成型下模和前大灯面罩成型上模相互靠近，使得成型下嵌座和成型上嵌座相抵接，通过卡扣成型下部与卡扣成型上部之间的配合可同步成型塑件的卡扣以及卡槽结构，扣板成型结构可同步成型塑件的多种扣板结构，无需进行二次加工处理，缩短了工序，完成注塑后开模，通过顶出脱模件将成型后的塑件进行顶出，顶出时顶出脱模件采用倒扣结构脱模，避免对塑件的卡扣、卡槽以及扣板结构造成损伤，确保了塑件的整体质量。
The utility model belongs to the field of mold technology, and particularly relates to an injection mold for an electric vehicle headlight mask with an inverted demoulding mechanism. The utility model comprises a headlight mask molding lower mold and a headlight mask molding upper mold. During the injection molding process, the headlight mask molding lower mold and the headlight mask molding upper mold are brought close to each other, so that the molding lower insert seat and the molding upper insert seat are abutted, and the buckle and slot structure of the plastic part can be synchronously molded through the cooperation between the buckle molding lower part and the buckle molding upper part, and the buckle plate molding structure can synchronously mold various buckle plate structures of the plastic part, without the need for secondary processing, shortening the process, and opening the mold after injection molding, and ejecting the molded plastic part through the ejection demoulding part. During ejection, the ejection demoulding part adopts an inverted structure for demoulding, avoiding damage to the buckle, slot and buckle plate structure of the plastic part, thereby ensuring the overall quality of the plastic part.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an injection mold with an inverted demolding mechanism for a front headlight cover of an electric vehicle.
Background
The headlight is used as the main lighting equipment of the electric vehicle, plays a vital role in the running process of the vehicle, especially in the running process at night, and the existing electric vehicle headlight generally comprises a lampshade, a lamp holder and a reflecting bowl, and the parts are processed through an injection mold during processing. Because electric motor car headlamp face guard needs more buckles, draw-in groove and buckle structure at the installation for carry out fixed connection to the face guard, most electric motor car headlamp face guard moulds are at the in-process of moulding plastics now, and buckle, draw-in groove and the multiple buckle protruding structure of electric motor car headlamp face guard plastic part of being difficult to synchronous shaping need carry out secondary operation, and the process is more, and at ejecting in-process, causes the damage to the connection structure of moulding easily, influences the overall quality of moulding. Therefore, there is an urgent need to design an injection mold for an electric vehicle headlamp cover with a back-off demolding mechanism, which can overcome the defects.
In order to overcome the defects of the prior art, various solutions are proposed by people through continuous exploration, for example, china patent discloses a two-plate die for a front headlight mask [ application number 201320731053.1] which comprises a fixed die and a movable die, wherein the fixed die comprises a panel and a fixed die plate which are mutually fixed, a fixed die insert is arranged in the fixed die plate, a locking block is also fixed on the fixed die plate, an inclined guide post is obliquely fixed in the locking block, the movable die comprises a bottom plate, a bottom needle plate and a face needle plate which are mutually matched and connected, a base plate is arranged on the face needle plate, an inner drawing block is slidably arranged on the base plate, one end of the inner drawing block is provided with a wedge-shaped dovetail convex strip, the wedge-shaped dovetail convex strip is matched and connected with an inner drawing dovetail groove, and the other end of the inner drawing block is provided with an inclined through hole, and the inclined guide post is inserted into the inclined through hole.
Disclosure of utility model
The utility model aims to solve the problems and provides an injection mold for a front headlight cover of an electric vehicle with a back-off demolding mechanism.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an electric motor car headlamp face guard injection mold with back-off formula demoulding mechanism, includes that headlamp face guard shaping lower mould and headlamp face guard are moulded and are gone up the mould, headlamp face guard shaping is gone up the mould top and is equipped with the mainboard of moulding plastics, be equipped with down the shaping between headlamp face guard shaping lower mould and the headlamp face guard shaping and insert the seat on the shaping, be equipped with the main part shaping arch in the shaping lower insert seat, be equipped with the main part shaping cavity in the shaping, the position of main part shaping arch and main part shaping cavity is corresponding and the shape matches and suits, main part shaping protruding lateral part is equipped with buckle shaping lower part, main part shaping cavity lateral part is equipped with buckle shaping upper portion and buckle shaping structure, buckle shaping lower part is just to setting up with buckle shaping upper portion, be equipped with in the shaping lower insert seat with the crisscross top of setting of main part shaping arch and take off the module.
In the injection mold for the electric vehicle headlamp cover with the back-off demolding mechanism, the lower buckle molding part comprises a plurality of lower buckle molding grooves arranged on the side part of the main body molding protrusion.
In the injection mold for the electric vehicle headlamp cover with the back-off demolding mechanism, the buckle molding upper portion comprises a buckle molding protrusion arranged on the side portion of the main body molding concave cavity, the buckle molding protrusion is provided with a buckle groove molding protruding block, and the buckle molding protrusion and the buckle groove molding protruding block are opposite to the buckle molding lower groove.
In the injection mold for the front headlight cover of the electric vehicle with the back-off demolding mechanism, the buckle plate molding structure comprises an alignment plate molding part and an alignment frame molding part which are arranged on the side part of the main body molding concave cavity, and the alignment plate molding part and the alignment frame molding part are respectively arranged in a staggered manner with the buckle molding protrusions.
In the injection mold for the front headlight cover of the electric vehicle with the back-off demolding mechanism, the alignment plate molding part comprises a plurality of alignment plate molding cavities arranged on the left side of the main body molding cavity.
In the injection mold for the front headlight cover of the electric vehicle with the back-off demolding mechanism, the alignment frame molding part comprises a plurality of alignment frame molding cavities arranged on the right side of the main body molding cavity.
In the injection mold with the back-off demolding mechanism for the front headlight cover of the electric vehicle, the ejection demolding piece comprises a plurality of embedded ejection demolding modules arranged in the lower molding embedding seat, and the embedded ejection demolding modules and the lower buckling molding grooves are arranged in a staggered mode.
In the injection mold with the back-off demolding mechanism for the front headlight cover of the electric vehicle, an ejector rod fixing plate is arranged below the molding lower mold of the front headlight cover, a plurality of ejector connecting rods are arranged on the ejector rod fixing plate, and the ejector connecting rods are connected with the embedded ejector demolding block.
In the electric vehicle headlamp face guard injection mold with the back-off demoulding mechanism, a fixed base plate is arranged below the ejector rod fixing plate, two anti-deflection iron plates are arranged on the fixed base plate, and the ejector rod fixing plate is in sliding fit with the anti-deflection iron plates.
In the injection mold for the front headlight cover of the electric vehicle with the back-off demolding mechanism, the fixed base plate is provided with a plurality of limiting shafts penetrating through the ejector rod fixing plate, and the ejector rod fixing plate is in sliding fit with the limiting shafts.
Compared with the prior art, the injection molding process has the advantages that in the injection molding process, the lower molding die of the front headlight cover and the upper molding die of the front headlight cover are mutually close to each other, so that the lower molding embedded seat and the upper molding embedded seat are abutted, the main body molding protrusion is attached to the main body molding concave cavity to form a complete cavity, molten materials are injected into the cavity through the injection molding main board, the buckle and the clamping groove structure of the plastic part can be synchronously molded through the cooperation between the lower portion of the buckle molding and the upper portion of the buckle molding, the buckle molding structure can synchronously mold various buckle structures of the plastic part, secondary processing is not needed, the working procedure is shortened, the mold is opened after injection molding is completed, the molded plastic part is ejected through ejecting the ejection demolding piece through the inverted buckle structure, damage to the buckle, the clamping groove and the buckle structure of the plastic part is avoided, and the integral quality of the plastic part is ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a partial structural schematic of the present utility model.
Fig. 3 is a schematic view of a partial structure of another aspect of the present utility model.
Fig. 4 is a schematic structural view of the molded upper insert.
In the drawing, a front headlight cover molding lower die 1, a front headlight cover molding upper die 2, an injection molding main board 3, a molding lower insert seat 4, a molding upper insert seat 5, a main body molding protrusion 6, a main body molding concave cavity 7, a buckle molding lower part 8, a buckle molding upper part 9, a buckle molding structure 10, an ejection demoulding piece 11, a buckle molding lower groove 12, a buckle molding protrusion 13, a buckle groove molding protrusion 14, an alignment frame molding part 16, an alignment plate molding part 15, an alignment plate molding concave cavity 17, an alignment frame molding concave cavity 18, an embedded ejection demoulding block 19, an ejector rod fixing plate 20, an ejection connecting rod 21, a fixing base plate 22, an anti-deflection iron 23 and a limiting shaft 24.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, an injection mold for an electric vehicle headlamp cover with a back-off demolding mechanism comprises a lower molding die 1 for molding a headlamp cover and an upper molding die 2 for molding the headlamp cover, wherein an injection molding main board 3 is arranged above the upper molding die 2 for molding the headlamp cover, a lower molding insert seat 4 and an upper molding insert seat 5 are arranged between the lower molding die 1 for molding the headlamp cover and the upper molding die 2 for molding the headlamp cover, a main body molding bulge 6 is arranged in the lower molding insert seat 4, a main body molding concave cavity 7 is arranged in the upper molding insert seat 5, the main body molding bulge 6 corresponds to the position of the main body molding concave cavity 7 and is matched with the main body molding concave cavity in shape, a buckle molding lower part 8 is arranged on the side of the main body molding concave cavity 7, a buckle molding upper part 9 and a buckle molding structure 10 are arranged on the side of the main body molding concave cavity 7, the buckle molding lower part 8 is opposite to the buckle molding upper part 9, and a jacking demolding module 11 which is arranged in a staggered manner with the main body molding bulge 6 is arranged in the lower molding insert seat 4.
In this embodiment, in the injection molding process, the front headlight cover shaping lower mould 1 and the front headlight cover shaping upper mould 2 are close to each other, make shaping lower embedded seat 4 and shaping upper embedded seat 5 butt, main part shaping protruding 6 is laminated with main part shaping cavity 7 mutually, form complete die cavity, the molten material is injected into the die cavity through moulding plastics mainboard 3, but buckle and draw-in groove structure of synchronous shaping plastic part through the cooperation between buckle shaping lower part 8 and buckle shaping upper part 9, buckle shaping structure 10 can synchronous shaping multiple buckle structure of plastic part, need not to carry out secondary processing, the process has been shortened, the die sinking after the completion moulding, carry out ejecting through ejecting the plastic part after the shaping of taking off module 11, the ejection adopts the back-off structure drawing of patterns, avoid causing the damage to buckle, draw-in groove and the buckle structure of plastic part, the whole quality of plastic part has been ensured.
As shown in fig. 1-4, the lower buckle forming part 8 includes a plurality of lower buckle forming grooves 12 formed on the side of the main body forming protrusion 6, the upper buckle forming part 9 includes a buckle forming protrusion 13 formed on the side of the main body forming cavity 7, the buckle forming protrusion 13 has a buckle groove forming protrusion 14, and the buckle forming protrusion 13 and the buckle groove forming protrusion 14 are opposite to the lower buckle forming groove 12.
In this embodiment, in the injection molding process, the buckle molding protrusion 13 and the buckle slot molding protrusion 14 enter the buckle molding lower slot 12, and the buckle slot structure of the plastic part can be molded synchronously through the cooperation of the three.
As shown in fig. 3 and 4, the buckle forming structure 10 includes a positioning plate forming portion 15 and a positioning frame forming portion 16 disposed on a side portion of the main body forming cavity 7, and the positioning plate forming portion 15 and the positioning frame forming portion 16 are respectively staggered with the buckle forming protrusions 13.
In this embodiment, in the injection molding process, the alignment plate forming portion 15 can be synchronously matched to form the alignment plate protruding structure of the plastic part, the alignment frame forming portion 16 can be synchronously matched to form the alignment frame protruding structure of the plastic part, and protruding structures with various shapes can be simultaneously formed.
The alignment plate forming portion 15 includes a plurality of alignment plate forming cavities 17 disposed at the left side of the main body forming cavity 7.
In this embodiment, during the injection molding process, the alignment plate molding cavity 17 can be synchronously matched with the alignment plate protrusion structure of the molded part.
As shown in fig. 4, the alignment frame forming portion 16 includes a plurality of alignment frame forming cavities 18 disposed on the right side of the main body forming cavity 7.
In this embodiment, during the injection molding process, the alignment frame molding cavity 18 can be synchronously matched with the alignment frame protrusion structure of the molded plastic part.
The ejection demoulding piece 11 comprises a plurality of embedded ejection demoulding blocks 19 arranged in the lower molding embedding seat 4, the embedded ejection demoulding blocks 19 are staggered with the lower buckle molding groove 12, an ejector rod fixing plate 20 is arranged below the lower headlamp face molding die 1, a plurality of ejection connecting rods 21 are arranged on the ejector rod fixing plate 20, and the ejection connecting rods 21 are connected with the embedded ejection demoulding blocks 19.
In this embodiment, after the injection molding is completed, the mold is opened, the ejector rod fixing plate 20 is moved, the embedded ejection demolding block 19 is driven by the ejection connecting rod 21 to eject the molded plastic part, the inverted structure is adopted for demolding, dislocation ejection is avoided, damage to the buckle, the clamping groove and the buckle structure of the plastic part is avoided, and the overall quality of the plastic part is ensured.
Referring to fig. 1-2, a fixed base plate 22 is disposed below the ejector rod fixing plate 20, two anti-bias iron 23 are disposed on the fixed base plate 22, and the ejector rod fixing plate 20 is slidably matched with the anti-bias iron 23.
In this embodiment, the fixing base plate 22 is used for fixing the anti-deflection iron 23, and in the moving process of the ejector rod fixing plate 20, the anti-deflection iron 23 can prevent the ejector rod fixing plate 20 from deflecting circumferentially, so that the ejection precision is high.
Referring to fig. 1-2, the fixed base plate 22 is provided with a plurality of limiting shafts 24 penetrating through the ejector rod fixing plate 20, and the ejector rod fixing plate 20 is slidably matched with the limiting shafts 24.
In this embodiment, in the moving process of the ejector rod fixing plate 20, the limiting shaft 24 can improve the displacement precision of the ejector rod fixing plate 20, and plays a role of limiting.
The working principle of the utility model is as follows:
In the injection molding process, the lower molding die 1 of the headlamp mask molding and the upper molding die 2 of the headlamp mask molding are mutually close to each other, so that the lower molding insert seat 4 and the upper molding insert seat 5 are abutted, the main body molding protrusion 6 and the main body molding cavity 7 are abutted to each other to form a complete cavity, molten materials are injected into the cavity through the injection molding main board 3, the buckle molding protrusion 13 and the buckle slot molding protrusion 14 enter the buckle molding lower slot 12, the buckle and the clamping slot structures of the plastic parts can be synchronously molded through the cooperation of the three parts, the counterplate molding cavity 17 can be synchronously matched with the counterplate protrusion structures of the plastic parts, the counterplate molding cavity 18 can be synchronously matched with the counterplate protrusion structures of the plastic parts can be synchronously molded, the protrusion structures with various shapes can be simultaneously molded, the procedures are not required to be carried out, the procedures are shortened, the mold is opened after the injection molding is completed, the ejector rod fixing plate 20 is moved, the molded plastic parts are driven to be ejected through the ejector connecting rod 21, the molded plastic parts are ejected through the ejector connecting rod, the buckle, the clamping slot and the plastic parts are prevented from being damaged by the buckle structure,
The fixed base plate 22 is used for fixing the anti-deflection iron 23, the anti-deflection iron 23 can prevent the ejector rod fixed plate 20 from deflecting circumferentially in the moving process of the ejector rod fixed plate 20, the ejection precision is high, and the limiting shaft 24 can improve the displacement precision of the ejector rod fixed plate 20 in the moving process of the ejector rod fixed plate 20, so that the limiting effect is achieved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although terms such as the headlight cover molding lower die 1, the headlight cover molding upper die 2, the injection molding main plate 3, the molding lower insert 4, the molding upper insert 5, the main body molding protrusion 6, the main body molding cavity 7, the buckle molding lower portion 8, the buckle molding upper portion 9, the buckle molding structure 10, the ejection stripper 11, the buckle molding lower groove 12, the buckle molding protrusion 13, the buckle groove molding protrusion 14, the alignment frame molding portion 16, the alignment plate molding portion 15, the alignment plate molding cavity 17, the alignment frame molding cavity 18, the insert ejection stripper 19, the ejector fixing plate 20, the ejector connecting rod 21, the fixing base plate 22, the anti-bias iron 23, the limiting shaft 24 are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The utility model provides an electric motor car front headlight face guard injection mold with back-off formula demoulding mechanism, includes big headlight face guard shaping lower mould (1) and big headlight face guard shaping upper mould (2), big headlight face guard shaping upper mould (2) top is equipped with mainboard (3) of moulding plastics, a serial communication port, be equipped with down embedded seat (4) and shaping upper insert seat (5) between big headlight face guard shaping lower mould (1) and the big headlight face guard shaping upper mould (2), be equipped with main part shaping arch (6) in the shaping lower insert seat (4), be equipped with main part shaping cavity (7) in the shaping upper insert seat (5), main part shaping arch (6) are corresponding and the shape matches with the position of main part shaping cavity (7), main part shaping arch (6) lateral part is equipped with buckle shaping lower part (8), main part shaping cavity (7) lateral part is equipped with buckle shaping upper portion (9) and buckle shaping upper portion (9) are just to setting up, be equipped with in the shaping lower insert seat (4) and take off module shaping (11) with crisscross.
2. The electric vehicle headlamp cover injection mold with the back-off demolding mechanism according to claim 1, characterized in that the snap-molding lower portion (8) comprises several snap-molding lower grooves (12) provided at the sides of the main body molding protrusion (6).
3. The injection mold for the electric vehicle headlamp cover with the back-off demolding mechanism according to claim 2, wherein the buckle molding upper portion (9) comprises a buckle molding protrusion (13) arranged on the side portion of the main body molding concave cavity (7), the buckle molding protrusion (13) is provided with a buckle groove molding protrusion (14), and the buckle molding protrusion (13) and the buckle groove molding protrusion (14) are arranged opposite to the buckle molding lower groove (12).
4. The injection mold for the electric vehicle headlamp cover with the back-off demolding mechanism according to claim 3, wherein the buckle molding structure (10) comprises an alignment plate molding part (15) and an alignment frame molding part (16) which are arranged at the side part of the main body molding concave cavity (7), and the alignment plate molding part (15) and the alignment frame molding part (16) are respectively staggered with the buckle molding protrusions (13).
5. The electric vehicle headlamp cover injection mold with the back-off demolding mechanism according to claim 4, wherein the alignment plate molding portion (15) comprises a plurality of alignment plate molding cavities (17) arranged at the left side of the main body molding cavity (7).
6. The electric vehicle headlamp cover injection mold with the back-off demolding mechanism according to claim 5, characterized in that the alignment frame molding part (16) comprises a plurality of alignment frame molding cavities (18) arranged on the right side of the main body molding cavity (7).
7. The injection mold for the front headlight cover of the electric vehicle with the back-off demolding mechanism according to claim 6, wherein the ejection demolding piece (11) comprises a plurality of embedded ejection demolding blocks (19) arranged in the molding lower embedding seat (4), and the embedded ejection demolding blocks (19) are staggered with the buckling molding lower groove (12).
8. The injection mold for the electric vehicle headlamp face cover with the back-off demolding mechanism according to claim 7, wherein a push rod fixing plate (20) is arranged below the lower molding mold (1) of the electric vehicle headlamp face cover, a plurality of push rod connecting rods (21) are arranged on the push rod fixing plate (20), and the push rod connecting rods (21) are connected with an embedded push rod demolding block (19).
9. The injection mold for the electric vehicle headlamp cover with the back-off demolding mechanism according to claim 8, wherein a fixed base plate (22) is arranged below the ejector rod fixing plate (20), two anti-deflection irons (23) are arranged on the fixed base plate (22), and the ejector rod fixing plate (20) is in sliding fit with the anti-deflection irons (23).
10. The injection mold for the electric vehicle headlamp cover with the back-off demolding mechanism according to claim 9, wherein a plurality of limiting shafts (24) penetrating through the ejector rod fixing plate (20) are arranged on the fixing base plate (22), and the ejector rod fixing plate (20) is in sliding fit with the limiting shafts (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421383466.XU CN222712760U (en) | 2024-06-18 | 2024-06-18 | Electric vehicle headlamp face guard injection mold with back-off demoulding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421383466.XU CN222712760U (en) | 2024-06-18 | 2024-06-18 | Electric vehicle headlamp face guard injection mold with back-off demoulding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222712760U true CN222712760U (en) | 2025-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421383466.XU Active CN222712760U (en) | 2024-06-18 | 2024-06-18 | Electric vehicle headlamp face guard injection mold with back-off demoulding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222712760U (en) |
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2024
- 2024-06-18 CN CN202421383466.XU patent/CN222712760U/en active Active
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