CN210758812U - Double-color injection mold for automobile headlamp - Google Patents
Double-color injection mold for automobile headlamp Download PDFInfo
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- CN210758812U CN210758812U CN201921011375.2U CN201921011375U CN210758812U CN 210758812 U CN210758812 U CN 210758812U CN 201921011375 U CN201921011375 U CN 201921011375U CN 210758812 U CN210758812 U CN 210758812U
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Abstract
The utility model discloses a double-color injection mold for automobile headlamps, which adopts an oil cylinder to match a positioning pin shaft and a slide block structure to realize demolding after the second injection molding is finished, thereby avoiding the positioning error of 180-degree rotation of the mold, reducing the processing precision requirement and ensuring the high yield production of the automobile headlamps; the utility model discloses in adopt spacing post and take out a pulling core-pulling insert to loose core the lower extreme of car headlight, recycle hydro-cylinder and positioning pin axle and carry out the activity location to spacing post, when the second time is moulded plastics and is accomplished, the hydro-cylinder promotes positioning pin axle and withstands spacing post, and the mould drives spacing post and shifts up the pulling core-pulling insert and accomplish and loose core; the utility model discloses in set up the runner in the side is inserted, realize the injection molding of first colour, adopt hydro-cylinder and locating pin axle to carry out the activity location to the side is inserted like this, realize accomplishing in the second injection molding, drive the side by the front mould and insert and realize the drawing of patterns; the side insert is matched with the sliding block to realize accurate positioning.
Description
Technical Field
The utility model relates to an injection mold field especially relates to a double-colored injection mold of car headlight.
Background
The double-color mold is characterized in that two plastic materials are injected on the same injection molding machine, molding is carried out twice, hard glue is injected for the first time, and soft glue is injected for the second time. The process can make the appearance of the product more beautiful, the color is easy to change without spraying, and the plastic parts of the automobile headlight with complex structure increasingly adopt a two-color mold forming technology.
The primary side of the existing double-color mold is opened, the slide block is opened, when the double-color mold rotates to the secondary side, the slide block is closed again when the movable mold is closed, so that the slide block insert is inserted into the product again, and the slide block insert extending into the product is easy to insert the product due to the shrinkage of the product formed at the primary side, so that the reject ratio is improved; therefore, for the double-color mold, the slide block structure of the double-color mold is preferably not subjected to core pulling after participating in the first injection molding, so that the slide block is prevented from resetting to cause damage to a plastic part before secondary injection and mold closing; after the mold is opened, the mold rotates 180 degrees, then the mold is closed, the mold is opened after the second injection molding is finished, and at the moment, the double-color mold slide block structure performs core pulling action again.
In the prior art, in order to realize the function, some double-color molds adopt an inclined guide post core pulling mechanism, the inclined guide post core pulling mechanism utilizes mold opening power to pull core, in order to prevent the slide block from resetting to damage the plastic part during mold closing before secondary injection of the plastic part, the slide block does not reset when the mold closing is finished after the secondary injection is finished once, and the method of resetting during the mold closing before the next injection is adopted, so that mold closing positioning deviation is effectively avoided, but the premise of the scheme is that the slide block does not reset to influence sealing glue during the secondary injection, automobile headlights are in a long and narrow multi-curved-surface structure, and the slide block must reset during production, so the mode is not suitable for producing the automobile headlights.
Therefore, a need exists for a dual-color mold for an automotive headlamp to solve the problems of the prior art.
SUMMERY OF THE UTILITY MODEL
The not enough to above-mentioned prior art, the utility model discloses a hydro-cylinder cooperation positioning pin axle and slider structure realize moulding plastics the second time and carry out the drawing of patterns again after accomplishing, avoid the rotatory 180 positioning error of mould, guarantee the high yield production of automobile headlamp when reducing the machining precision requirement.
The utility model discloses a realize through following technical scheme.
A double-color mold for an automobile headlamp comprises a front mold and a rear mold arranged opposite to the front mold; the front mold and the back mold are combined to form a molding cavity between the front mold and the back mold.
The contour of the motor vehicle headlight is formed by a first injection molding in the region A and a second injection molding in the region B. After the first injection molding is finished, the injection molding machine pulls the rear mold to be separated from the front mold, and after the rear mold rotates 180 degrees, the injection molding machine pushes the rear mold to be matched with the front mold for the second injection molding.
A front die insert and a side insert are embedded in the front die;
the upper surface of the front die insert is fixedly connected with the front die, and the lower surface of the front die insert corresponds to the shape of an automobile headlight and is inwards concave.
The side insert is arranged on one side of the front die insert, and the upper surface of the side insert is embedded into the front die; the side edge of the side insert limits the inner side edge of the injection molding cavity; and a runner is arranged in the side insert and used for realizing injection molding of an area A of the automobile headlamp.
A rear die insert and a core-pulling insert are embedded in the rear die; two sides of the rear die insert are fixedly arranged in the rear die; the upper surface of the rear die insert corresponds to the shape of an automobile headlight and protrudes upwards; the core-pulling insert is arranged at the lower part of the rear die insert and corresponds to the area A of the automobile headlight.
The front die insert, the rear die insert, the side inserts and the core-pulling insert form an injection molding cavity;
in order to realize the core pulling of the lower end of the automobile headlight, the rear die is also provided with a limiting column and a pulling block; the lower end of the limiting column is jacked into the rear die and is accurately matched with the rear die; the drawing block is arranged below the rear die insert.
The lower end of the limiting column is an inclined plane, a first T-shaped groove is formed in the inclined plane, and a first sliding block is installed in the first T-shaped groove; the other end of the first sliding block is connected with the pulling block.
A second T-shaped groove is formed in the other side of the pulling block, and a second sliding block is installed in the second T-shaped groove; and the second sliding block is fixedly connected with the core-pulling insert.
When the limiting column moves up and down, the pulling block is pulled by the first sliding block to horizontally reciprocate, and the pulling block is pulled by the second sliding block to separate the core-pulling insert from the injection molded automobile headlight area A.
In order to realize accurate positioning, a positioning pin is arranged on the front die, a tapered hole is formed in the upper end of the limiting column, the positioning pin is matched with the tapered hole, and after the rear die rotates 180 degrees, the positioning pin accurately jacks into the tapered hole in the limiting column again.
In order to avoid the influence of the core pulling action on the product quality, the core pulling is not performed after the first injection molding is completed, and the core pulling is performed only after the second injection molding is completed.
In order to realize the function, the automobile headlamp double-color die further comprises a fixed mounting plate, a fixed cylinder and a fixed pin shaft; the fixed mounting plate is fixedly mounted on the front die; the fixed cylinder is fixedly arranged on the fixed mounting plate; the fixed cylinder is provided with a fixed connecting shaft; one end of the fixed pin shaft is fixedly arranged in the fixed connecting shaft; the side surface of the limiting column is provided with a tapered hole, and the other end of the fixed pin shaft is matched with the tapered hole on the side surface of the limiting column.
After the first injection molding is finished, the rear mold is separated from the front mold, the fixed cylinder drives the fixed pin shaft to exit from the tapered hole on the side face of the limiting column, the limiting column does not move along with the front mold, and the core-pulling insert is not moved; after the second injection molding is completed, the fixed cylinder acts to push the fixed pin shaft into the tapered hole in the side face of the limiting column, and when the rear mold is separated from the front mold, the limiting column moves along with the front mold, so that the core-pulling insert is separated from a headlamp of an automobile, and the core-pulling action is completed.
The side insert completes the injection molding of the area A of the automobile headlamp, so that the side insert cannot leave the injection molding cavity when the first injection molding is completed, and the injection molded area A is prevented from being damaged.
In order to realize the function, the automobile headlamp double-color die further comprises an insert fixing cylinder, an insert cylinder mounting plate, an insert connecting rod and an insert fixing pin shaft;
the insert block cylinder mounting plate is fixedly arranged on the front die; the insert fixing cylinder is fixedly arranged on the insert cylinder mounting plate, and the insert fixing pin shaft is fixed on a piston rod of the insert fixing cylinder through the insert connecting rod; the side insert is characterized in that a tapered hole is formed in the side face of the side insert, and the insert fixing pin shaft is matched with the tapered hole in the side face of the side insert.
After the first injection molding is finished, the rear mold is separated from the front mold, the insert fixing cylinder drives the insert fixing pin shaft to exit from the tapered hole in the side face of the side insert, and the side insert does not move along with the front mold; and after the second injection molding is finished, the insert fixing cylinder drives the insert fixing pin shaft to jack into the tapered hole in the side face of the side insert, and when the rear die is separated from the front die, the side insert moves along with the front die and is separated from the automobile headlight.
In order to ensure the product quality, the side insert also needs to be accurately positioned, two parallel third T-shaped grooves are processed on the side surface of the side insert, and a third sliding block is arranged in each third T-shaped groove; the other end of the third sliding block is fixedly arranged on the front die; the third sliding block slides in a third T-shaped groove in the side insert, and the side insert is demoulded while the accurate positioning of the side insert is realized.
When the automobile headlamp injection mold is used specifically, the front mold and the rear mold are combined together for first injection molding, and injection molding of the area A of the automobile headlamp is completed; the front die is separated from the rear die, and the core-pulling insert and the side insert do not move; the rear die rotates 180 degrees, the front die and the rear die are combined together again, the second injection molding is carried out, after the injection molding is completed, the fixing cylinder and the fixing cylinder are inserted to move to fix the limiting column and the side insert on the front die and move together with the front die, the side insert is directly separated from a headlamp, the limiting column is pulled to pull the core-pulling insert to separate from the headlamp, the injection molding of the first injection molding is completed, the injection molding of the first injection molding is guaranteed not to pull the injection molded area, after the rotation of 180 degrees, the front die and the rear die are still accurately positioned during die assembly, and finally, the core-pulling and side insert-pulling actions are completed during die opening.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1) the utility model adopts the oil cylinder to match the positioning pin shaft and the sliding block structure to realize demoulding after the second injection molding is finished, thereby avoiding the positioning error of 180-degree rotation of the mould, reducing the processing precision requirement and simultaneously ensuring the high yield production of the automobile headlight;
2) the utility model discloses in adopt spacing post and take out piece pulling core-pulling insert to loose core the lower extreme of car headlight, recycle hydro-cylinder and positioning pin axle and carry out the activity location to spacing post, when first injection moulding is accomplished, the positioning pin is thrown off with spacing post, the core-pulling insert is fixed motionless, when second injection moulding is accomplished, the hydro-cylinder promotes positioning pin axle and withstands spacing post, the last mould drives spacing post to shift up and pulls core-pulling insert and accomplish the core-pulling;
3) the utility model discloses in set up the runner in the side is inserted, realize the injection molding of first colour, the side is inserted and can not demold after the first injection molding is accomplished, adopts hydro-cylinder and locating pin axle to carry out the activity location to the side is inserted equally, realizes accomplishing in the second injection molding, drives the side by the front mould and inserts and realize the drawing of patterns; the side insert is matched with the sliding block to realize accurate positioning.
Drawings
FIG. 1 is a cross-sectional view of the present invention
FIG. 2 is a schematic view of the shape of the headlight of the present invention
FIG. 3 is the schematic diagram of the position of the side insert and the headlight of the automobile
FIG. 4 is a schematic view of the rear mold of the present invention
In the figure: 1. a front mold; 2. a rear mold; 3. a front die insert; 4. a side insert; 5. automotive headlamps; 6. a rear die insert; 7. a core-pulling insert; 8. a limiting column; 9. extracting blocks; 10. a first T-shaped groove; 11. a first slider; 12. a second T-shaped groove; 13. a second slider; 14. positioning pins; 15. fixing the air cylinder; 16. fixing the mounting plate; 17. fixing the connecting shaft; 18. fixing a pin shaft; 19. an insert fixing cylinder; 20. an insert block cylinder mounting plate; 21. an insert connecting rod; 22. the insert fixes the pin shaft; 23. a third T-shaped groove; 24. and a third slide block.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
As shown in fig. 1, an automobile headlight two-color mold comprises a front mold 1 and a rear mold 2 arranged opposite to the front mold 1; the front mold 1 and the rear mold 2 are combined to form a molding cavity between the two.
The profile of the motor vehicle headlight is shown in fig. 2, in which the first injection molding is carried out in the region a and the second injection molding is carried out in the region B. After the first injection molding is finished, the injection molding machine pulls the rear mold 2 to be separated from the front mold 1, and after the rear mold 2 rotates 180 degrees, the injection molding machine pushes the rear mold 2 to be matched with the front mold 1 for second injection molding.
A front die insert 3 and a side insert 4 are embedded in the front die 1;
the upper surface of the front die insert 3 is fixedly connected with the front die 1, and the lower surface of the front die insert corresponds to the shape of an automobile headlight and is inwards concave.
The side insert 4 is arranged at one side of the front die insert 3, and the upper surface of the side insert is embedded in the front die 1; the side edge of the side insert 4 limits the inner side edge of the injection molding cavity; and a runner is arranged in the side insert 4 and used for realizing the injection molding of the area A of the automobile headlamp.
A rear die insert 6 and a core-pulling insert 7 are embedded in the rear die 2; two sides of the rear die insert 6 are fixedly arranged in the rear die 2; the upper surface of the rear die insert 6 corresponds to the shape of an automobile headlight and protrudes upwards; the core-pulling insert 7 is arranged at the lower part of the rear die insert 6 and corresponds to the area A of the automobile headlight.
The front die insert 3, the rear die insert 6, the side inserts 4 and the core-pulling insert 7 form an injection molding cavity;
in order to realize the core pulling of the lower end of the automobile headlight, the rear mold 2 is also provided with a limiting column 8 and a pulling block 9; the lower end of the limiting column 8 is jacked into the rear die 2 and is accurately matched with the rear die 2; the drawing block 9 is arranged below the rear die insert 6.
The lower end of the limiting column 8 is an inclined plane, a first T-shaped groove 10 is formed in the inclined plane, and a first sliding block 11 is installed in the first T-shaped groove 10; the other end of the first sliding block 11 is connected with the drawing block 9.
A second T-shaped groove 12 is formed in the other side of the pulling block 9, and a second sliding block 13 is installed in the second T-shaped groove 12; the second slide block 13 is fixedly connected with the core-pulling insert 7.
When the limiting column 8 moves up and down, the drawing block 9 is pulled by the first sliding block 11 to horizontally reciprocate, and the drawing block 9 is pulled by the second sliding block 13 to separate the core-pulling insert 7 from the injection molded automobile headlight A area.
In order to realize accurate positioning, a positioning pin 14 is arranged on the front die 1, a tapered hole is arranged at the upper end of the limiting column 8, the positioning pin 14 is matched with the tapered hole, and after the rear die 2 rotates 180 degrees, the positioning pin 14 is accurately jacked into the tapered hole on the limiting column 8 again.
In order to avoid the influence of the core pulling action on the product quality, the core pulling is not performed after the first injection molding is completed, and the core pulling is performed only after the second injection molding is completed.
In order to realize the function, the automobile headlamp double-color die further comprises a fixed mounting plate 16, a fixed air cylinder 15 and a fixed pin shaft 18; the fixed mounting plate 16 is fixedly mounted on the front mold 1; the fixed cylinder 15 is fixedly arranged on the fixed mounting plate 16; the fixed cylinder 15 is provided with a fixed connecting shaft 17; one end of the fixed pin shaft 18 is fixedly arranged in the fixed connecting shaft 17; the side surface of the limit column 8 is provided with a taper hole, and the other end of the fixed pin shaft 18 is matched with the taper hole on the side surface of the limit column 8.
After the first injection molding is completed, the rear mold 2 is separated from the front mold 1, the fixed cylinder 15 drives the fixed pin shaft 18 to exit from the tapered hole on the side surface of the limiting column 8, the limiting column 8 does not move along with the front mold 1, and the core-pulling insert 7 does not move; after the second injection molding is completed, the fixed cylinder 15 acts to push the fixed pin shaft 18 into the tapered hole in the side face of the limiting column 8, and when the rear mold 2 is separated from the front mold 1, the limiting column 8 moves along with the front mold 1, so that the core-pulling insert 7 is separated from a headlamp of an automobile, and the core-pulling action is completed.
Since the side insert 4 completes the injection molding of the a area of the automobile headlight, the side insert 4 can not leave the injection molding cavity when the first injection molding is completed, so as to avoid damaging the injection molded a area.
In order to realize the function, as shown in fig. 3-4, the automobile headlamp double-color mold further comprises an insert fixing cylinder 19, an insert cylinder mounting plate 20, an insert connecting rod 21 and an insert fixing pin 22;
the insert block cylinder mounting plate 20 is fixedly mounted on the front die 1; the insert fixing cylinder 19 is fixedly mounted on the insert cylinder mounting plate 20, and the insert fixing pin 22 is fixed on a piston rod of the insert fixing cylinder 19 through the insert connecting rod 21; the side surface of the side insert 4 is provided with a tapered hole, and the insert fixing pin 22 is matched with the tapered hole on the side surface of the side insert 4.
After the first injection molding is completed, the rear mold 2 is separated from the front mold 1, the insert fixing cylinder 19 drives the insert fixing pin shaft 22 to exit from the tapered hole on the side surface of the side insert 4, and the side insert 4 does not move along with the front mold 1; after the second injection molding is completed, the insert fixing cylinder 19 drives the insert fixing pin shaft 22 to jack into the tapered hole in the side surface of the side insert 4, and when the rear mold 2 is separated from the front mold 1, the side insert 4 moves along with the front mold 1 and is separated from the automobile headlight.
In order to ensure the product quality, the side insert 4 also needs to be accurately positioned, as shown in fig. 3-4, two parallel third T-shaped grooves 23 are machined in the side surface of the side insert 4, and a third sliding block 24 is installed in the third T-shaped grooves 23; the other end of the third slide block 24 is fixedly arranged on the front die 1; the third slide 24 slides in a third T-groove 23 in the side insert 4, which allows accurate positioning of the side insert 4 while the side insert 4 is being demolded.
When the automobile headlamp injection mold is used specifically, the front mold 1 and the rear mold 2 are combined together for first injection molding, and injection molding of an area A of the automobile headlamp is completed; the front die 1 is separated from the rear die 2, and the core-pulling insert 7 and the side insert 4 do not move; the rear die 2 rotates 180 degrees, the front die 1 and the rear die 2 are combined together again, the second injection molding is carried out, the injection molding is completed, the fixing cylinder 19 and the fixing cylinder 15 which are inserted act on the limiting column 8 and the side insert 4 which are fixed on the front die 1 and move along with the front die 1, the side insert 4 directly breaks away from a front lamp of an automobile, the limiting column 8 pulls the core-pulling insert 7 to break away from the front lamp of the automobile, the injection molding is completed for the first time, the injection molded area is guaranteed not to be pulled, after 180 degrees of rotation, the front die 1 and the rear die 2 are still accurately positioned during die assembly, and during the final die opening, the core-pulling and the side insert 4 are taken out.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A double-color injection mold for an automobile headlamp comprises a front mold (1) and a rear mold (2) arranged opposite to the front mold (1); the front mould is characterized in that a front mould insert (3) and a side insert (4) are embedded in the front mould (1); a rear die insert (6) and a core-pulling insert (7) are embedded in the rear die (2); the front die insert (3), the rear die insert (6), the side inserts (4) and the core-pulling insert (7) form an injection molding cavity.
2. The automobile headlamp double-color injection mold according to claim 1, wherein the upper surface of the front mold insert (3) is fixedly connected with the front mold (1), and the lower surface corresponds to the shape of an automobile headlamp and is concave inwards; the side insert (4) is arranged on one side of the front die insert (3), and the upper surface of the side insert is embedded into the front die (1); the side edge of the side insert (4) limits the inner side edge of the injection molding cavity; and a flow passage is arranged in the side insert (4).
3. The automotive headlamp double-color injection mold as claimed in claim 1, wherein two sides of the rear mold insert (6) are fixedly arranged in the rear mold (2); the upper surface of the rear die insert (6) corresponds to the shape of an automobile headlight and protrudes upwards; the core-pulling insert (7) is arranged at the lower part of the rear die insert (6) and corresponds to an area A of the automobile headlight.
4. The automobile headlamp double-color injection mold according to claim 1, wherein a limiting column (8) and a drawing block (9) are further arranged in the rear mold (2); the lower end of the limiting column (8) is jacked into the rear die (2) and is accurately matched with the rear die (2); the drawing block (9) is arranged below the rear die insert (6).
5. The automobile headlamp double-color injection mold according to claim 4, wherein the lower end of the limiting column (8) is an inclined surface, a first T-shaped groove (10) is formed in the inclined surface, and a first sliding block (11) is installed in the first T-shaped groove (10); the other end of the first sliding block (11) is connected with the drawing block (9); a second T-shaped groove (12) is formed in the other side of the pulling block (9), and a second sliding block (13) is installed in the second T-shaped groove (12); the second sliding block (13) is fixedly connected with the core-pulling insert (7).
6. The automobile headlamp double-color injection mold according to claim 4, wherein the front mold (1) is provided with a positioning pin (14), the upper end of the limiting column (8) is provided with a tapered hole, the positioning pin (14) is matched with the tapered hole, and after the rear mold (2) rotates 180 degrees, the positioning pin (14) is accurately jacked into the tapered hole on the limiting column (8) again.
7. The automobile headlamp double-color injection mold as defined in claim 4, further comprising a fixing mounting plate (16), a fixing cylinder (15) and a fixing pin (18); the fixed mounting plate (16) is fixedly mounted on the front die (1); the fixed cylinder (15) is fixedly arranged on the fixed mounting plate (16); a fixed connecting shaft (17) is arranged on the fixed cylinder (15); one end of the fixed pin shaft (18) is fixedly arranged in the fixed connecting shaft (17); the side surface of the limiting column (8) is provided with a tapered hole, and the other end of the fixed pin shaft (18) is matched with the tapered hole on the side surface of the limiting column (8).
8. The automobile headlamp double-color injection mold according to claim 1, further comprising an insert fixing cylinder (19), an insert cylinder mounting plate (20), an insert connecting rod (21) and an insert fixing pin (22); the insert block cylinder mounting plate (20) is fixedly mounted on the front die (1); the insert fixing cylinder (19) is fixedly arranged on the insert cylinder mounting plate (20).
9. The automotive headlamp double-color injection mold as defined in claim 8, wherein the insert fixing pin (22) is fixed on a piston rod of the insert fixing cylinder (19) through the insert connecting rod (21); the side surface of the side insert (4) is provided with a tapered hole, and the insert fixing pin shaft (22) is matched with the tapered hole on the side surface of the side insert (4).
10. The automobile headlamp double-color injection mold as claimed in claim 1, wherein two parallel third T-shaped grooves (23) are formed in the side surfaces of the side insert (4), and a third sliding block (24) is mounted in each third T-shaped groove (23); the other end of the third sliding block (24) is fixedly arranged on the front die (1); the third sliding block (24) slides in a third T-shaped groove (23) in the side insert (4), and the side insert (4) is accurately positioned while the side insert (4) is demoulded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011375.2U CN210758812U (en) | 2019-07-02 | 2019-07-02 | Double-color injection mold for automobile headlamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011375.2U CN210758812U (en) | 2019-07-02 | 2019-07-02 | Double-color injection mold for automobile headlamp |
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| CN210758812U true CN210758812U (en) | 2020-06-16 |
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| CN201921011375.2U Active CN210758812U (en) | 2019-07-02 | 2019-07-02 | Double-color injection mold for automobile headlamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202746A (en) * | 2019-07-02 | 2019-09-06 | 台州市黄岩赛伟模业有限公司 | A kind of automobile headlamp bicolor injection mould |
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2019
- 2019-07-02 CN CN201921011375.2U patent/CN210758812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202746A (en) * | 2019-07-02 | 2019-09-06 | 台州市黄岩赛伟模业有限公司 | A kind of automobile headlamp bicolor injection mould |
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