CN218366194U - Steering lamp shell injection mold - Google Patents
Steering lamp shell injection mold Download PDFInfo
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- CN218366194U CN218366194U CN202222466899.9U CN202222466899U CN218366194U CN 218366194 U CN218366194 U CN 218366194U CN 202222466899 U CN202222466899 U CN 202222466899U CN 218366194 U CN218366194 U CN 218366194U
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Abstract
The utility model discloses a steering lamp body injection mold, including last mould subassembly, lower mould subassembly, it includes the upper die base to go up the mould subassembly, lower mould subassembly includes the die holder, the unsmooth cooperation of upper die base and die holder, the upper die base has first cambered surface and cavity, be provided with first water course and second water course in the inside of upper die base, first water course has the first section of intercommunication, the second section, the second water course has the first runner of intercommunication, the second runner, the third runner, first section and second runner set up in the inside of upper die base and lie in directly over first cambered surface and cavity aslope. The utility model discloses can cool off the first cambered surface and the cavity of upper die base to prevent that each position cooling rate of upper die base is inconsistent and influence production efficiency.
Description
Technical Field
The utility model relates to a turn signal lamp technical field, concretely relates to turn signal lamp body injection mold.
Background
The steering lamp shell is usually applied to front and rear steering lamps of an automobile and used for protecting the automobile lamp and beautifying the automobile body. The steering lamp shell in the prior art is generally formed by one-time injection molding through a mold, and when the steering lamp shell is formed by injection molding through the mold, because raw materials are heated liquid, a plurality of cooling water channels are usually arranged in the steering lamp shell mold to accelerate cooling forming of the raw materials and avoid thermal expansion of the mold due to overheating, but because the steering lamp shell is arc-shaped, the cooling water course of prior art's mould is sharp water course, and when the cooling, the water course is inconsistent apart from the distance of indicator lamp body, and some is inconsistent apart from the summit of cambered surface, and some is apart from the both ends on cambered surface summit, and then leads to indicator lamp body injection moulding back cooling rate, and the mould takes place thermal expansion easily, and the efficiency of moulding plastics is too low.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a steering lamp body injection mold, this utility model has improved the cooling rate when the mould is moulded plastics effectively, has improved the production efficiency of steering lamp body.
The technical scheme for solving the technical problems is as follows:
the steering lamp shell injection mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mold base, the lower mold component comprises a lower mold base, the upper mold base 1 is provided with a first arc-shaped surface, a cavity is arranged on the first arc-shaped surface, the lower mold base is provided with a second arc-shaped surface, a first protruding part is arranged on the second arc-shaped surface, the first arc-shaped surface is matched with the second arc-shaped surface, and the cavity is in concave-convex matching with the first protruding part;
the first water channel is used for cooling the upper die holder and provided with a first section and a second section which are communicated with each other, the first section is positioned in the upper die holder, the second section is positioned on the upper end surface of the upper die holder, and the first section is obliquely arranged right above the first arc-shaped surface;
the second water channel is used for cooling the upper die base and provided with a first flow channel, a second flow channel, a third flow channel, a fourth flow channel and a fifth flow channel which are communicated, the second flow channel and the fourth flow channel are arranged in the upper die base, the first flow channel is arranged at the upper end of the upper die base, one part of the third flow channel is arranged at the upper end of the upper die base, the other part of the third flow channel is exposed outside the upper die assembly, the second flow channel is obliquely positioned over the concave cavity, and the fourth flow channel is obliquely positioned over the first arc-shaped surface.
Furthermore, a third water channel, a fourth water channel and a fifth water channel are arranged in the lower die base, the third water channel is provided with a first inclined section and a first branch section, the fourth water channel is provided with a second branch section, and the five water channels are annularly arranged in the lower die base.
Further, the first branch flow section is provided with a plurality of first branches and second branches which are communicated, the first branches are arranged in the lower die holder in a stepped mode, the second branch flow section is provided with a first section and a second section which are communicated, and the first section is arranged in the lower die holder in a stepped mode.
Furthermore, the upper die assembly further comprises an upper die plate and an upper die core, the upper die plate is connected with the upper die core, a first concave cavity is formed in one end of the upper die core, and the upper die base is located in the first concave cavity.
Furthermore, the lower die assembly comprises a lower die core and a base, the base is connected with the lower die core, a second concave cavity is formed in one end of the lower die core, the other end of the lower die core is matched with the upper die base, and the lower die base is located in the second concave cavity.
The utility model provides a steering lamp body injection mold at first, has set up first water course and second water course in the upper die base, cools off the first cambered surface of upper die base through the first section of first water course, and the second runner through the second water course cools off the cavity. Cool off the first cambered surface of upper die base through the fourth runner, secondly, because when the indicator lamp body of moulding plastics, because raw and other materials are high temperature material, after pouring into through last mould subassembly, the heat can be given to last mould subassembly and lower mould subassembly, because the first section of first water course, the fourth runner all inclines in first cambered surface, the second runner of second water course inclines in the cavity, and the three is parallel to each other, so when cooling the upper die base, first cambered surface, and each position cooling rate of cavity will be unanimous, each part cooling rate nonconformity of whole upper die base can not appear, thereby take place thermal expansion, influence production efficiency.
Drawings
FIG. 1 is a front view of an injection mold for a housing of a turn signal lamp;
FIG. 2 is a perspective view of the upper mold core;
FIG. 3 is a perspective view of the upper die holder;
FIG. 4 is a perspective view of the lower die base;
FIG. 5 is a schematic view of the upper die holder being engaged with the first and second water channels;
FIG. 6 is a perspective view of the lower mold core;
FIG. 7 is a perspective view of the first and second flumes;
FIG. 8 is a perspective view of a third flume;
FIG. 9 is a perspective view of a fourth waterway;
FIG. 10 is a schematic view of the lower die assembly engaging the third, fourth, and fifth water passages.
Reference numbers in the drawings:
the die comprises an upper die base 1, a first arc surface 1-1, a cavity 1-2, a lower die base 2, a second arc surface 2-1, a first boss 2-2, a first water channel 3, a first section 3-1, a second section 3-2, a second water channel 4, a first flow channel 4-1, a second flow channel 4-2, a third flow channel 4-3, a fourth flow channel 4-4, a fifth flow channel 4-5, a third water channel 5, a first inclined section 5-1, a first branch section 5-2, a first branch 5-3, a second branch 5-4, a fourth water channel 6, a second branch section 6-1, a first section 6-2, a second section 6-3, a fifth water channel 7, an upper die plate 10, an upper die core 11, a first cavity 11-1, a lower die core 20, a base 21 and a second cavity 20-1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and fig. 3 to 5, the steering lamp housing injection mold comprises an upper mold assembly and a lower mold assembly, wherein the upper mold assembly comprises an upper mold base 1, the lower mold assembly comprises a lower mold base 2, the upper mold base 1 is provided with a first arc-shaped surface 1-1, a cavity 1-2 is arranged on the first arc-shaped surface 1-1, the lower mold base 2 is provided with a second arc-shaped surface 2-1, a first protruding part 2-2 is arranged on the second arc-shaped surface 2-1, the first arc-shaped surface 1-1 is matched with the second arc-shaped surface 2-1, and the cavity 1-2 is in concave-convex fit with the first protruding part 2-2;
the first water channel 3 is used for cooling the upper die holder 1, the first water channel 3 is provided with a first section 3-1 and a second section 3-2 which are communicated, the first section 3-1 is positioned in the upper die holder 1, the second section 3-2 is positioned on the upper end surface of the upper die holder 1, and the first section 3-1 is obliquely arranged right above the first arc-shaped surface 1-1;
the second water channel 4 is used for cooling the upper die holder 1, the second water channel 4 is provided with a first flow channel 4-1, a second flow channel 4-2, a third flow channel 4-3, a fourth flow channel 4-4 and a fifth flow channel 4-5 which are communicated, the second flow channel 4-2 and the fourth flow channel 4-4 are arranged in the upper die holder 1, the first flow channel 4-1 is arranged at the upper end of the upper die holder 1, one part of the third flow channel 4-3 is arranged at the upper end of the upper die holder 1, the other part of the third flow channel is exposed out of the upper die assembly, the second flow channel 4-2 is obliquely positioned right above the concave cavity 1-2, and the fourth flow channel 4-4 is obliquely positioned right above the first arc-shaped surface 1-1.
In this embodiment, the fashioned cavity of indicator lamp body is moulded plastics to upper die base 1 and 2 unsmooth cooperations of die holder, form, when moulding plastics, because raw and other materials are all the liquid of high temperature heating, after injecting into between upper die base 1 and the die holder 2, can be rapidly heat transfer for upper die base 1 and die holder 2, again because the fashioned cavity of indicator lamp body of moulding plastics is sealed cavity, so need cool off through first water course 3, second water course 4, in order to accelerate the shaping of indicator lamp body.
In this embodiment, the heat is first transferred to the first arc surface 1-1 and the cavity 1-2 of the upper mold base 1, so that the first section 3-1 of the first water channel 3 is preferably inclined to maximally cool the first arc surface 1-1 and the cavity 1-2, and if the first section 3-1 is straight, the distance between the whole first section 3-1 and the whole first arc surface 1-1 and the whole cavity 1-2 is inconsistent, which results in that the first section 3-1 cools faster from the first arc surface 1-1 and the thinner cavity 1-2, whereas the distance between the whole first section 3-1 and the whole first arc surface 1-1 and the whole cavity 1-2 is slower, which results in that the raw material cools at the above-mentioned molded cavity of the injection molded turn signal lamp housing, and once the cooling rate is inconsistent, which may result in that a part of the raw material is not cooled and the lamp housing is taken out without success, which results in a yield reduction and affects production efficiency, in this embodiment, as shown in fig. 5, the first section 3-1 of the cooling water enters the upper mold base 1-1, passes through the first section 3-1-2, and finally passes through the first section 3-2, and then passes through the first section 3-1, and then passes through the first section 3-2.
In the embodiment, the second flow passage 4-2 and the fourth flow passage 4-4 of the second water channel 4 have the same principle as the 3-1 section of the first water channel, and the thicknesses of the second flow passage 4-2, the fourth flow passage 4-4, the distance from the first cambered surface 1-1 and the concave cavity 1-2 are basically the same through the inclined arrangement in the upper die holder 1, so that the cooling speed is basically consistent; as shown in fig. 5 and 7, the cooling water first enters through the first flow channel 4-1, then passes through the second flow channel 4-2, the third flow channel 4-3, the fourth flow channel 4-4, and finally is discharged through the fifth flow channel 4-5.
As shown in fig. 10, a third water channel 5, a fourth water channel 6 and a fifth water channel 7 are provided in the lower die holder 2, the third water channel 5 has a first inclined section 5-1 and a first branch section 5-2, the fourth water channel 6 has a second branch section 6-1, and the fifth water channel 7 is circumferentially arranged in the lower die holder 2.
In this embodiment, in order to accelerate the cooling of the raw material, the raw material itself transfers the heat to the lower die base 2, so that the third water channel 5, the fourth water channel 6, and the fifth water channel 7 are provided in the lower die base 2, and the cooling of the raw material injected between the upper die base 1 and the lower die base 2 is accelerated by the cooperation of the third water channel 5, the fourth water channel 6, and the fifth water channel 7 with the first water channel 3 and the second water channel 4.
As shown in fig. 8 and 9, the first branch section 5-2 has a plurality of first and second branches 5-3 and 5-4, the first branch 5-3 is arranged in a stepped manner in the lower die holder 2, the second branch section 6-1 has a first and second section 6-2 and 6-3, and the first section 6-2 is arranged in a stepped manner in the lower die holder 2.
In the embodiment, cooling water enters through a water inlet of the third water channel 5, then firstly reaches the first inclined section 5-1, and then flows to the first branch 5-3 and the second branch 5-4 through the first branch flow section 5-2 to cool the lower die holder 2, in the embodiment, the first inclined section 5-1 is preferably inclined, the inclination is mainly set to meet the requirement of the second cambered surface 2-1 of the lower die holder 2, so that the thickness of the surface from the first inclined section 5-1 to the second cambered surface 2-1 can be ensured to be approximately consistent, the cooling speed of each part is consistent, and the first branch 5-3 and the second branch 5-4 are mainly set to be cooled at the upper end and the lower end of the lower die holder 2; in the embodiment, the principle of the fourth water channel 6 is the same as that of the third water channel 5, the thickness of the surface from the second branch section 6-1 to the second cambered surface 2-1 is approximately consistent by arranging the second branch section 6-1, and the first section 6-2 and the second section 6-3 are arranged, so that both the upper end and the lower end of the lower die holder 2 can be cooled.
As shown in fig. 1 and 2, the upper die assembly further includes an upper die plate 10 and an upper die core 11, the upper die plate 10 is connected to the upper die core 11, one end of the upper die core 11 has a first cavity 11-1, and the upper die base 2 is located in the first cavity 11-1.
In this embodiment, the upper mold base 2 is interference-fitted into the first cavity 11-1 of the upper mold core 11, and the upper mold plate 10 is provided with an injection port (not shown in the drawings) communicating with the cavity for forming the lamp housing of the injection-molded turn signal lamp, and the upper mold plate 10 and the upper mold core 11 are preferably connected by bolts.
As shown in fig. 1 and 6, the lower die assembly includes a lower die core 20 and a base 21, the base 21 is connected to the lower die core 20, one end of the lower die core 20 has a second cavity 20-1, the other end of the lower die core is matched with the upper die holder 1, and the lower die holder 2 is located in the second cavity 20-1.
In the present embodiment, the lower die holder 2 is interference-fitted in the second cavity 20-1 of the lower die core 20, and one end of the lower die core 20 is fixed on the base 21 by a bolt, in order to prevent the upper die holder 1 and the lower die holder 2 from separating due to thermal expansion in the present embodiment, a locking buckle (not shown in the drawings) is provided on the upper die core 11 and the lower die core 20, and the upper die core 11 and the lower die core 20 are locked by the locking buckle, so as to prevent the upper die core 11 and the lower die core 20 from separating due to thermal expansion, which may cause the leakage of the above raw materials.
Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, but not to limit the technical solution, and not to limit the scope of the present invention; 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; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions and the scope of the appended claims.
Claims (5)
1. The steering lamp shell injection mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mold base (1), the lower mold component comprises a lower mold base (2), the upper mold base (1) is provided with a first arc-shaped surface (1-1), a cavity (1-2) is arranged on the first arc-shaped surface (1-1), the lower mold base (2) is provided with a second arc-shaped surface (2-1), a first bulge part (2-2) is arranged on the second arc-shaped surface (2-1), the first arc-shaped surface (1-1) is matched with the second arc-shaped surface (2-1), and the cavity (1-2) is in concave-convex fit with the first bulge part (2-2);
the first water channel (3) is used for cooling the upper die holder (1), the first water channel (3) is provided with a first section (3-1) and a second section (3-2) which are communicated, the first section (3-1) is located inside the upper die holder (1), the second section (3-2) is located on the upper end face of the upper die holder (1), and the first section (3-1) is obliquely arranged right above the first arc-shaped face (1-1);
the second water channel (4) is used for cooling the upper die base (1), the second water channel (4) is provided with a first flow channel (4-1), a second flow channel (4-2), a third flow channel (4-3), a fourth flow channel (4-4) and a fifth flow channel (4-5) which are communicated, the second flow channel (4-2) and the fourth flow channel (4-4) are arranged in the upper die base (1), the first flow channel (4-1) is arranged at the upper end of the upper die base (1), one part of the third flow channel (4-3) is arranged at the upper end of the upper die base (1), the other part of the third flow channel is exposed outside the upper die assembly, the second flow channel (4-2) is obliquely positioned right above the concave cavity (1-2), and the fourth flow channel (4-4) is obliquely positioned right above the first arc-shaped surface (1-1).
2. The injection mold for the lamp housing of the turn lamp according to claim 1, wherein a third water channel (5), a fourth water channel (6), and a fifth water channel (7) are provided in the lower mold base (2), the third water channel (5) has a first inclined section (5-1) and a first branch section (5-2), the fourth water channel (6) has a second branch section (6-1), and the fifth water channel (7) is circumferentially arranged in the lower mold base (2).
3. The injection mold for the lamp housing of the turn lamp according to claim 2, wherein the first branch section (5-2) has a plurality of first and second branches (5-3, 5-4) which are communicated, the first branch (5-3) is arranged in a stepped manner in the lower mold base (2), the second branch section (6-1) has a first and second communicated sections (6-2, 6-3), and the first section (6-2) is arranged in a stepped manner in the lower mold base (2).
4. The steering lamp housing injection mold according to claim 1, wherein the upper mold assembly further comprises an upper mold plate (10) and an upper mold core (11), the upper mold plate (10) is connected with the upper mold core (11), one end of the upper mold core (11) is provided with a first cavity (11-1), and the upper mold base (1) is located in the first cavity (11-1).
5. The injection mold for the lamp housing of the turn lamp according to claim 1, wherein the lower mold assembly comprises a lower mold core (20) and a base (21), the base (21) is connected with the lower mold core (20), one end of the lower mold core (20) is provided with a second cavity (20-1), the other end of the lower mold core is matched with the upper mold base (1), and the lower mold base (2) is located in the second cavity (20-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466899.9U CN218366194U (en) | 2022-09-18 | 2022-09-18 | Steering lamp shell injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466899.9U CN218366194U (en) | 2022-09-18 | 2022-09-18 | Steering lamp shell injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218366194U true CN218366194U (en) | 2023-01-24 |
Family
ID=84953689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222466899.9U Active CN218366194U (en) | 2022-09-18 | 2022-09-18 | Steering lamp shell injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218366194U (en) |
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2022
- 2022-09-18 CN CN202222466899.9U patent/CN218366194U/en active Active
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