CN215619652U - Injection mold for lamp shell of rear tail lamp with large length-width ratio - Google Patents
Injection mold for lamp shell of rear tail lamp with large length-width ratio Download PDFInfo
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- CN215619652U CN215619652U CN202121900780.7U CN202121900780U CN215619652U CN 215619652 U CN215619652 U CN 215619652U CN 202121900780 U CN202121900780 U CN 202121900780U CN 215619652 U CN215619652 U CN 215619652U
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Abstract
The utility model belongs to the technical field of molds, and particularly relates to an injection mold for a lamp shell of a rear tail lamp with a large length-width ratio. The utility model comprises an injection upper die and an injection lower die, wherein a rear tail lamp housing forming groove is arranged in the injection upper die, a rear tail lamp housing forming bulge is arranged in the injection lower die, and the rear tail lamp housing forming groove corresponds to the rear tail lamp housing forming bulge in position and is matched with the rear tail lamp housing forming bulge in shape. According to the utility model, the ejection molding assembly with the large length-width ratio is arranged, in the injection molding process, the plastic part is subjected to auxiliary molding through the ejection molding assembly with the large length-width ratio, and after injection molding is completed, the molded plastic part is ejected through the ejection molding assembly with the large length-width ratio.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to an injection mold for a lamp shell of a rear tail lamp with a large length-width ratio.
Background
One of automobile spare part is regarded as commonly used to tail lamp body behind the car, and along with the development of science and technology, more and more high-grade automobile tail lamp begins to adopt the run-through tail lamp, and the length and width ratio of this kind of tail lamp body is great, adopts mould injection moulding after, and the easy condition that takes place to deflect, card shell of moulding when ejecting leads to moulding the surface and takes place to damage, influences the quality of moulding the piece.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a chinese patent discloses an automobile rear tail lamp mold [ application number: 202021231141.1], the lamp holder mold comprises a lamp holder mold and a lamp shell mold, a guide pin is fixedly installed on the end surface of the lamp holder mold, a guide hole is formed in the end surface of the lamp shell mold, and the surface of the guide pin is connected with the inner wall of the guide hole in a sliding insertion mode to connect the lamp holder mold and the lamp shell mold into a whole; the lamp holder mould is provided with an installation mechanism; and a lamp light control mechanism is arranged on the lamp shell mold. This tail lamp mould behind car, through the surperficial slip grafting that sets up the uide pin extremely will behind the inner wall of guiding hole the lamp stand mould with the lamp body mould links into an organic whole, has reached and has carried out a whole set of shaping to whole back tail lamp, and a whole set of lamps and lanterns come out, and its cooperation tolerance also floats together, can not influence the cooperation tolerance of lamp stand mould and lamp body mould to have the little characteristics of integrated into one piece error. However, the scheme is not suitable for producing taillights with large length and width, and the plastic part is still easy to deflect and clamp the shell during ejection, so that the surface of the plastic part is damaged, and the defect that the quality of the plastic part is relatively common exists.
Disclosure of Invention
The utility model aims to solve the problems and provides an injection mold for a lamp shell of a rear tail lamp with a large length-width ratio.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a big length-width ratio back tail lamp body injection mold, includes mould plastics and the lower mould of moulding plastics, mould plastics and be equipped with back tail lamp body shaping recess in the mould, the lower mould of moulding plastics in be equipped with back tail lamp body shaping arch, back tail lamp body shaping recess and the protruding position of back tail lamp body shaping corresponding and the shape match and suit, mould plastics lower mould below be equipped with can follow near or keep away from mould plastics lower mould one end and be reciprocating linear motion's big length-width ratio ejection forming component, big length-width ratio ejection forming component corresponding with the protruding position of back tail lamp body shaping.
In foretell high aspect ratio back tail lamp body injection mold, big length-width ratio ejection forming assembly including set up in the ejector plate of the lower mould below of moulding plastics, the ejector plate on be equipped with straight top and oblique top, oblique top and the protruding laminating of back tail lamp body shaping mutually of laminating mutually.
In foretell big length-width ratio back tail lamp body injection mold, oblique top including set up the oblique ejector pin on the liftout plate, oblique ejector pin top be equipped with oblique top auxiliary block, oblique top auxiliary block laminate with back tail lamp body shaping arch mutually, the liftout plate on be equipped with oblique ejector pin connecting piece, oblique ejector pin and oblique ejector pin connecting piece sliding fit mutually.
In the injection mold for the lamp shell of the rear tail lamp with the large length-width ratio, the oblique ejector rod connecting piece comprises an oblique ejector rod connecting base arranged on the ejector plate, a sliding block is arranged at the bottom of the oblique ejector rod, and the sliding block is matched with the oblique ejector rod connecting base in a sliding manner.
In the injection mold for the lamp shell of the rear tail lamp with the large length-width ratio, the straight top comprises a plurality of straight ejector rods arranged on the ejector plate, and the straight ejector rods and the inclined ejector rods are arranged in a staggered mode.
In the injection mold for the lamp shell of the rear tail lamp with the large length-width ratio, a fixing bottom plate is arranged below the ejector plate, a plurality of pieces of anti-deflection iron are arranged on the fixing bottom plate, and the ejector plate is in sliding fit with the pieces of anti-deflection iron.
In foretell big length-width ratio back tail lamp body injection mold, the mould of moulding plastics in be equipped with first portion of preapring for an unfavorable turn of events, first portion of preapring for an unfavorable turn of events position corresponding with back tail lamp body shaping recess, the lower mould of moulding plastics in be equipped with the second portion of preapring for an unfavorable turn of events portion, the second portion of preapring for an unfavorable turn of events shape corresponding with the bellied position of back tail lamp body shaping.
In the injection mold for the lamp housing of the rear tail lamp with the large length-width ratio, the first deformation preventing part comprises a plurality of first strip-shaped cooling water channels arranged in the injection upper mold, and the first strip-shaped cooling water channels are arranged in parallel with the forming groove of the lamp housing of the rear tail lamp.
In the injection mold for the lamp housing of the rear tail lamp with the large length-width ratio, the second deformation preventing part comprises a plurality of second long cooling water channels arranged in the injection lower mold, and the forming bulges of the lamp housing of the rear tail lamp with the second long cooling water channels are arranged in parallel.
In the injection mold for the lamp shell of the rear tail lamp with the large length-width ratio, an injection molding main board is arranged above the injection molding upper die, and a shunt injection molding plate pipe is arranged between the injection molding main board and the injection molding upper die.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, the ejection molding assembly with the large length-width ratio is arranged, in the injection molding process, the plastic part is subjected to auxiliary molding through the ejection molding assembly with the large length-width ratio, and after injection molding is completed, the molded plastic part is ejected through the ejection molding assembly with the large length-width ratio.
2. After the injection molding is finished, cooling water is introduced into the first strip-shaped cooling water channel to cool the upper surface of the molded plastic part, and simultaneously, cooling water is introduced into the second strip-shaped cooling water channel to cool the lower surface of the molded plastic part, so that the cooling is uniform, the plastic part is prevented from deforming, and the quality of the plastic part is further improved.
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 an exploded schematic view of the present invention.
Fig. 2 is an exploded view in another aspect of the utility model.
Fig. 3 is a schematic structural view of the injection lower mold.
Fig. 4 is a schematic structural diagram of a large aspect ratio ejection molding assembly.
In the figure: the injection molding device comprises an injection molding upper die 1, an injection molding lower die 2, a rear tail lamp housing molding groove 3, a rear tail lamp housing molding protrusion 4, a large length-width ratio ejection molding assembly 5, an ejector plate 6, a straight top portion 7, an inclined top portion 8, an inclined ejector rod 9, an inclined ejector rod auxiliary block 10, an inclined ejector rod connecting piece 11, an inclined ejector rod connecting base 12, a sliding block 13, a straight ejector rod 14, a fixed bottom plate 15, an anti-deflection iron 16, a first anti-deformation portion 17, a second anti-deformation portion 18, a first long cooling water channel 19, a second long cooling water channel 20, an injection molding main board 21 and a split injection molding plate pipe 22.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a big aspect ratio back tail lamp body injection mold, including mould 1 and the lower mould 2 of moulding plastics, mould 1 in be equipped with back tail lamp body shaping recess 3 of moulding plastics, the lower mould 2 of moulding plastics in be equipped with back tail lamp body shaping arch 4, back tail lamp body shaping recess 3 and back tail lamp body shaping arch 4's position corresponding and the shape match and fit, mould 2 below be equipped with can follow and be close to or keep away from mould 2 one end of moulding plastics and do reciprocating linear motion's big length-width ratio ejection forming component 5, big length-width ratio ejection forming component 5 and back tail lamp body shaping arch 4's position corresponding.
In this embodiment, when moulding plastics, mould plastics upper die 1 and mould plastics lower mould 2 and be close to each other for back tail lamp body shaping recess 3 forms complete die cavity with the cooperation of hugging closely of back tail lamp body shaping arch 4 mutually, mould plastics, in-process of moulding plastics, carry out auxiliary forming to moulding through big length-width ratio ejection forming assembly 5, accomplish the back of moulding plastics, the piece of moulding after rethread big length-width ratio ejection forming assembly 5 is ejecting, because the length-width ratio of the piece of moulding of shaping is bigger, in ejection process, adopt the synchronous ejecting mode of large tracts of land multiple spot, it is even ejecting to mould the piece, avoid moulding the condition that the piece takes place to deflect, the card shell, the quality of moulding the piece has been improved.
Referring to fig. 1 and 4, the large length-width ratio ejection forming assembly 5 includes an ejection plate 6 disposed below the injection molding lower mold 2, the ejection plate 6 is provided with a straight top portion 7 and an inclined top portion 8, and the top portion of the inclined top portion 8 is attached to the forming protrusion 4 of the rear tail lamp housing.
Specifically, the ejection plate 6 is used for installing and fixing the straight top portion 7 and the inclined top portion 8, the plastic part is pushed straight through the straight top portion 7, the plastic part is pushed obliquely through the inclined top portion 8, a mode of combining the straight top portion and the inclined top portion is adopted, a large-area multi-point synchronous ejection mode is adopted, the plastic part is ejected uniformly, the situations that the plastic part deflects and is clamped are avoided, and the quality of the plastic part is improved.
As shown in fig. 1 and 4, the inclined top portion 8 comprises an inclined ejector rod 9 arranged on the ejector plate 6, an inclined ejector auxiliary block 10 is arranged at the top of the inclined ejector rod 9, the inclined ejector auxiliary block 10 is attached to the forming bulge 4 of the lamp housing of the rear tail lamp, an inclined ejector rod connecting piece 11 is arranged on the ejector plate 6, and the inclined ejector rod 9 is in sliding fit with the inclined ejector rod connecting piece 11.
In this embodiment, the pitched roof auxiliary block 10 is used for assisting in forming an arc-shaped part at the bottom of a plastic part, after injection molding is completed, the plastic part is ejected through the pitched roof rod 9 and the pitched roof auxiliary block 10, and the pitched roof rod connecting piece 11 is used for connecting the pitched roof rod 9.
The oblique ejector rod connecting piece 11 comprises an oblique ejector rod connecting base 12 arranged on the ejector plate 6, a sliding block 13 is arranged at the bottom of the oblique ejector rod 9, and the sliding block 13 and the oblique ejector rod connecting base 12 are matched in a sliding mode.
In this embodiment, the lifter connecting base 12 is used to connect the slider 13 and the lifter 9 for lifter movement.
Referring to fig. 4, the straight top portion 7 includes a plurality of straight ejector rods 14 disposed on the ejector plate 6, and the straight ejector rods 14 and the inclined ejector rods 9 are disposed in a staggered manner.
In the embodiment, in the ejection process, the plastic part is ejected through the straight ejector rod 14, so that the ejection effect is good.
The ejection plate 6 below be equipped with PMKD 15, PMKD 15 on be equipped with a plurality of cunning of preventing 16, ejection plate 6 with prevent cunning 16 mutually sliding fit.
In this embodiment, PMKD 15 is used for settling ejector plate 6, and in ejector plate 6 removes the in-process, through ejector plate 6 and prevent sliding fit between cunning iron 16, plays limiting displacement to ejector plate 6, avoids ejector plate 6 to take place angular deviation at the removal in-process.
Combine fig. 1, fig. 3 to show, mould plastics and be equipped with first portion 17 of preapring for an unfavorable turn of events in last mould 1, first portion 17 of preapring for an unfavorable turn of events correspond with the position of back tail lamp body shaping recess 3, mould plastics and be equipped with second portion 18 of preapring for an unfavorable turn of events in lower mould 2, second portion 18 of preapring for an unfavorable turn of events correspond with the protruding 4 position of back tail lamp body shaping.
In this embodiment, after the completion of moulding plastics, let in the cooling water to first portion 17 and the second portion 18 of preapring for an unfavorable turn of events, preapring for an unfavorable turn of events the piece of moulding after the shaping through first portion 17 and the second portion 18 of preapring for an unfavorable turn of events and cool off, cool off evenly, avoid moulding the piece and take place to warp, improved the quality of moulding the piece.
Referring to fig. 1 and 3, the first deformation preventing portion 17 includes a plurality of first elongated cooling water channels 19 disposed in the injection upper mold 1, and the first elongated cooling water channels 19 are disposed in parallel with the rear tail lamp housing forming groove 3.
In this embodiment, after the injection molding is completed, the cooling water is introduced into the first elongated cooling water channel 19 to cool the upper surface of the molded part, and the cooling is uniform.
Referring to fig. 1 and 3, the second deformation preventing portion 18 includes a plurality of second elongated cooling water channels 20 disposed in the injection mold 2, and the rear tail lamp housing forming protrusions 4 of the second elongated cooling water channels 20 are disposed in parallel.
In this embodiment, after the injection molding is completed, the cooling water is introduced into the second elongated cooling water channel 20 to cool the lower surface of the molded part, and the cooling is uniform.
Mould plastics and go up mould 1 top and be equipped with the mainboard 21 of moulding plastics, mould plastics mainboard 21 and mould plastics and be equipped with the reposition of redundant personnel between the mould 1 and mould plastics board pipe 22.
In this embodiment, when moulding plastics, pour into the melting material into from the mainboard 21 of moulding plastics, the rethread reposition of redundant personnel injection moulding board pipe 22 shunts the melting material, moulds plastics evenly and fast.
The working principle of the utility model is as follows:
when in injection molding, the injection molding upper die 1 and the injection molding lower die 2 are close to each other, so that the rear tail lamp housing forming groove 3 and the rear tail lamp housing forming bulge 4 are in close fit to form a complete cavity for injection molding, and in the injection molding process, a plastic part is subjected to auxiliary forming through the inclined top auxiliary block 10,
after the injection molding is finished, the ejector plate 6 is moved, the ejector plate 6 drives the inclined ejector rod 9, the inclined ejector auxiliary block 10 and the straight ejector rod 14 to eject the plastic part, and as the length and the width of the molded plastic part are large, a large-area multipoint synchronous ejection mode is adopted in the ejection process to uniformly eject the plastic part, so that the plastic part is prevented from deflecting and jamming, and the quality of the plastic part is improved,
after the injection molding is finished, cooling water is introduced into the first strip-shaped cooling water channel 19 to cool the upper surface of the molded part, and simultaneously, cooling water is introduced into the second strip-shaped cooling water channel 20 to cool the lower surface of the molded part, so that the cooling is uniform, the molded part is prevented from deforming, and the quality of the molded part is further improved.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the utility model.
Although terms such as the injection upper mold 1, the injection lower mold 2, the rear tail lamp housing forming groove 3, the rear tail lamp housing forming protrusion 4, the large length-to-width ratio ejection forming assembly 5, the ejector plate 6, the straight top portion 7, the slanted top portion 8, the slanted ejector pin 9, the slanted ejector auxiliary block 10, the slanted ejector pin connecting member 11, the slanted ejector pin connecting base 12, the slider 13, the straight ejector pin 14, the fixed base plate 15, the anti-deflection iron 16, the first anti-deformation portion 17, the second anti-deformation portion 18, the first elongated cooling water channel 19, the second elongated cooling water channel 20, the injection main plate 21, and the split injection plate pipe 22 are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.
Claims (10)
1. The utility model provides a big length-width ratio back tail lamp body injection mold, is including mould (1) and the lower mould (2) of moulding plastics, its characterized in that, mould (1) in be equipped with back tail lamp body shaping recess (3) of moulding plastics, the lower mould (2) of moulding plastics in be equipped with protruding (4) of back tail lamp body shaping, back tail lamp body shaping recess (3) and the protruding (4) of back tail lamp body shaping position corresponding and the shape match fit, lower mould (2) below of moulding plastics be equipped with can follow and be close to or keep away from the big length-width ratio ejection forming component (5) that mould plastics lower mould (2) one end and be reciprocal linear motion, big length-width ratio ejection forming component (5) and the protruding (4) of back tail lamp body shaping position corresponding.
2. The injection mold for the lamp housing of the rear tail lamp with the large length-width ratio as claimed in claim 1, wherein the ejection molding assembly (5) with the large length-width ratio comprises an ejector plate (6) arranged below the lower injection mold (2), the ejector plate (6) is provided with a straight top portion (7) and an inclined top portion (8), and the top of the inclined top portion (8) is attached to the molding protrusion (4) of the lamp housing of the rear tail lamp.
3. The injection mold for the lamp housing of the rear tail lamp with the large length-width ratio as claimed in claim 2, wherein the lifter portion (8) comprises a lifter (9) arranged on the ejector plate (6), an auxiliary lifter block (10) is arranged at the top of the lifter (9), the auxiliary lifter block (10) is attached to the forming protrusion (4) of the lamp housing of the rear tail lamp, a lifter connecting member (11) is arranged on the ejector plate (6), and the lifter (9) is in sliding fit with the lifter connecting member (11).
4. The injection mold for the lamp housing of the high aspect ratio rear tail lamp according to claim 3, wherein the lifter connecting member (11) comprises a lifter connecting base (12) disposed on the ejector plate (6), a sliding block (13) is disposed at the bottom of the lifter (9), and the sliding block (13) is slidably engaged with the lifter connecting base (12).
5. The injection mold for the lamp housing of the high aspect ratio rear tail lamp according to claim 4, wherein the straight top portion (7) comprises a plurality of straight ejector pins (14) arranged on the ejector plate (6), and the straight ejector pins (14) and the inclined ejector pins (9) are arranged in a staggered manner.
6. The injection mold for the lamp housing of the high aspect ratio rear tail lamp according to claim 5, wherein a fixed bottom plate (15) is arranged below the ejector plate (6), a plurality of anti-deflection irons (16) are arranged on the fixed bottom plate (15), and the ejector plate (6) is in sliding fit with the anti-deflection irons (16).
7. The injection mold for a taillight housing with a large length-width ratio as claimed in claim 6, wherein a first deformation preventing portion (17) is disposed in the upper injection mold (1), the first deformation preventing portion (17) corresponds to the position of the forming groove (3) for the taillight housing, a second deformation preventing portion (18) is disposed in the lower injection mold (2), and the second deformation preventing portion (18) corresponds to the position of the forming protrusion (4) for the taillight housing.
8. The injection mold for lamp housings of rear taillights with large aspect ratio as claimed in claim 7, wherein the first deformation preventing portion (17) comprises a plurality of first elongated cooling water channels (19) disposed in the upper injection mold (1), and the first elongated cooling water channels (19) are disposed in parallel with the forming grooves (3) of the lamp housings of the rear taillights.
9. The injection mold for lamp housings of rear taillights with large aspect ratio as claimed in claim 8, wherein the second deformation preventing portion (18) comprises a plurality of second elongated cooling water channels (20) disposed in the lower injection mold (2), and the forming protrusions (4) of the lamp housings of the rear taillights of the second elongated cooling water channels (20) are disposed in parallel.
10. The injection mold for the lamp housing of the taillight with the large length-width ratio as claimed in claim 9, wherein an injection main plate (21) is disposed above the injection upper mold (1), and a shunt injection plate tube (22) is disposed between the injection main plate (21) and the injection upper mold (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121900780.7U CN215619652U (en) | 2021-08-13 | 2021-08-13 | Injection mold for lamp shell of rear tail lamp with large length-width ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121900780.7U CN215619652U (en) | 2021-08-13 | 2021-08-13 | Injection mold for lamp shell of rear tail lamp with large length-width ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215619652U true CN215619652U (en) | 2022-01-25 |
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ID=79897840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121900780.7U Active CN215619652U (en) | 2021-08-13 | 2021-08-13 | Injection mold for lamp shell of rear tail lamp with large length-width ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215619652U (en) |
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2021
- 2021-08-13 CN CN202121900780.7U patent/CN215619652U/en active Active
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