CN222061101U - Light guide injection mold for reading lamp for vehicle - Google Patents
Light guide injection mold for reading lamp for vehicle Download PDFInfo
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- CN222061101U CN222061101U CN202420698231.3U CN202420698231U CN222061101U CN 222061101 U CN222061101 U CN 222061101U CN 202420698231 U CN202420698231 U CN 202420698231U CN 222061101 U CN222061101 U CN 222061101U
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- 238000002347 injection Methods 0.000 title claims abstract description 55
- 239000007924 injection Substances 0.000 title claims abstract description 55
- 238000000465 moulding Methods 0.000 claims abstract description 38
- 238000003825 pressing Methods 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 14
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model relates to a vehicle reading light guide injection mold which comprises a mold frame, wherein one end in the mold frame is provided with a fixed mold, the fixed mold is provided with a female mold, the other end in the mold frame is provided with a movable mold, the movable mold is provided with a male mold, the female mold corresponds to the male mold in position, two molding modules are arranged between the female mold and the male mold, a plurality of molding cavities are arranged between the female mold, the male mold and the two molding modules and can longitudinally slide along two sides of the female mold respectively, the fixed mold is provided with a demolding assembly in a sliding manner, the movable mold is provided with a containing groove for containing the demolding assembly, the male molds of the mold frame and the movable mold are penetrated with pouring hole grooves communicated with the molding cavities, the female molds of the mold frame and the fixed mold are penetrated with ejection assemblies communicated with the molding cavities, and the ends of the ejection assemblies are matched with the molding cavities. The light guide injection mold has the advantages that the demolding effect is good, the light guide is not easy to damage, and the working efficiency of injection molding is improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a reading light guide injection mold for a vehicle.
Background
The light guide is an important component part of the vehicle-mounted reading lamp, the overall shape of the light guide is irregular, and the light guide is symmetrically provided with block-shaped protruding parts. Because the light guide forming structure is complex, the injection mold in the prior art is not easy to process and manufacture, and the light guide is easy to damage when demolding.
Disclosure of utility model
Based on this, provide a vehicle reading lamp light guide injection mold, this light guide injection mold is good not only the drawing of patterns effect, is difficult to damage the light guide, has still improved the work efficiency of injection molding.
The utility model provides a vehicle reading lamp light guide injection mold, includes the mould frame, and the interior one end of mould frame is provided with the cover half, is provided with the die on the cover half, and the other end in the mould frame is provided with the movable mould, is provided with the terrace die on the movable mould, and the die corresponds with the position of terrace die, is provided with two shaping modules between die and the terrace die, be provided with a plurality of molding die cavity between die, terrace die and the two shaping modules, two shaping modules can be followed the both sides longitudinal sliding of die respectively.
The fixed die is provided with a demoulding assembly in a sliding manner, the demoulding assembly is used for carrying out side-drawing demoulding on the light guide, the demoulding assembly is located on the outer side of the forming module and is fixedly connected with the forming module, and the movable die is provided with a containing groove for containing the demoulding assembly.
And pouring hole grooves communicated with the forming cavity are formed in the male dies of the die frame and the movable die in a penetrating mode.
And the female dies of the die frame and the fixed die are penetrated and provided with ejection assemblies communicated with the forming cavity, the end parts of the ejection assemblies are matched with two sides of the bottom of the forming cavity, and the ejection assemblies are used for ejecting the light guide.
The automobile reading light guide injection mold is internally provided with the plurality of molding cavities, so that a plurality of light guides can be simultaneously processed and molded at one time, and the working efficiency of injection molding is improved; meanwhile, the ejector assembly for ejecting the light guide and the demolding assembly for demolding the two sides of the light guide are also arranged, so that the demolding effect is improved, and the light guide is not easy to damage.
In one embodiment, a plurality of pressing parts which are matched with the top of the forming cavity in a pressing mode are arranged in the movable die and the die frame of the light guide injection die of the reading lamp for the automobile.
In one embodiment, the pressing part of the vehicle reading light guide injection mold comprises a fixing part and a wedge-shaped pressing block, the fixing part is arranged in the mold frame and the movable mold, the wedge-shaped pressing block is arranged in the male mold of the movable mold, one end, close to the wedge-shaped pressing block, of the fixing part is obliquely provided with a sliding groove, the top of the wedge-shaped pressing block is provided with a clamping block which is in sliding fit with the sliding groove of the fixing part, and the bottom of the wedge-shaped pressing block is obliquely provided with a profiling pressing groove for pressing the top of the light guide.
In one embodiment, a support column matched with the bottoms of the plurality of molding cavities is arranged in a female die of a fixed die of the vehicle reading light guide injection mold.
In one embodiment, the demolding assembly of the vehicle reading light guide injection mold comprises two sliding modules, wherein a driving rod and a positioning shaft are obliquely arranged on the moving mold, a groove matched with the positioning shaft in a positioning mode is formed in the driving rod, a through hole matched with the driving rod in a positioning mode is obliquely formed in the sliding module, and the driving rod is used for driving the sliding module to drive the forming module to longitudinally move to demold the light guide.
In one embodiment, the ejection assembly of the vehicle reading light guide injection mold comprises an ejector plate and a plurality of stripping ejector pins matched with the bottom of the molding cavity, wherein the ejector plate is arranged between the mold frame and the fixed mold, one end of the stripping ejector pins, which is far away from the molding cavity, is fixedly connected with the ejector plate, and the ejector plate is used for driving the stripping ejector pins to eject the light guide.
In one embodiment, waterways for cooling the mold are respectively arranged in the female die and the male die of the light guide injection mold of the reading lamp for the vehicle.
In one embodiment, one side of a fixed die of the automobile reading light guide injection mold is provided with a lifting ring seat and a lifting ring, the lifting ring seat is fixedly connected with one side of the fixed die, and the lifting ring is arranged at one end of the lifting ring seat far away from the fixed die.
The beneficial effects of the application are as follows:
The application provides a light guide injection mold of a reading lamp for a vehicle, which can be internally provided with a plurality of light guide forming cavities, simultaneously carries out one-time processing forming on a plurality of light guides, and is also provided with an ejection assembly for ejecting the light guides and a demolding assembly for demolding two sides of the light guides. The light guide injection mold not only improves the working efficiency of injection molding, but also improves the demolding effect, and is not easy to damage the light guide.
The light guide injection mold also uses the waterway to cool the mold, and effectively improves the injection molding efficiency.
A hanging ring is further arranged on one side of the light guide injection mold, and the light guide injection mold is convenient to carry.
Drawings
FIG. 1 is a schematic view of an injection mold for a vehicle reading light guide according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of a vehicular reading light guide injection mold according to an embodiment of the present application;
FIG. 3 is a schematic view of a stationary mold, a molding module, and a stripper assembly of a vehicular reading lamp light guide injection mold according to an embodiment of the present application;
Fig. 4 is a schematic diagram of the internal structure of a movable mold of a light guide injection mold for a reading lamp for a vehicle according to an embodiment of the present application;
FIG. 5 is a schematic view of a press-fit part of a light guide injection mold for a reading lamp for a vehicle according to an embodiment of the application;
FIG. 6 is a schematic diagram of a female die of a vehicular reading lamp light guide injection mold according to an embodiment of the present application;
FIG. 7 is a schematic view of a light guide of a reading light guide injection mold for a vehicle in accordance with an embodiment of the present application;
Wherein:
1. A mold frame; 2. a fixed mold; 21. a female die; 3. a movable mold; 31. a male die; 4. a molding module; 5. a demolding assembly; 6. pouring a hole groove; 7. an ejection assembly; 8. a pressing member; 9. a waterway; 10. a hanging ring seat; 11. a hanging ring; 12. a light guide; 81. a fixing part; 811. a sliding groove; 82. a wedge-shaped pressing block; 821. profiling pressing grooves; 822. a clamping block; 211. a support column; 51. a sliding module; 52. a driving rod; 53. positioning a shaft; 71. a needle ejection plate; 72. and (5) stripping the ejector pins.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
As shown in fig. 1-3, an embodiment of the application provides a light guide injection mold for a reading lamp for a vehicle, which comprises a mold frame 1, wherein one end in the mold frame 1 is provided with a fixed mold 2, the fixed mold 2 is provided with a female mold 21, the other end in the mold frame 1 is provided with a movable mold 3, the movable mold 3 is provided with a male mold 31, the female mold 21 corresponds to the male mold 31 in position, two forming modules 4 are arranged between the female mold 21 and the male mold 31, a plurality of forming cavities are arranged between the female mold 21, the male mold 31 and the two forming modules 4, and the two forming modules 4 can longitudinally slide along two sides of the female mold 21 respectively.
As shown in fig. 3, the fixed mold 2 is slidably provided with a demolding assembly 5 for laterally drawing and demolding the light guide 12, the demolding assembly 5 is located at the outer side of the molding module 4 and fixedly connected with the molding module 4, and the movable mold 3 is provided with a containing groove for containing the demolding assembly 5.
As shown in fig. 2, pouring hole slots 6 communicated with the forming cavity are formed in the male dies 31 of the die frame 1 and the movable die 3 in a penetrating manner.
As shown in fig. 2, the female dies 21 of the mold frame 1 and the fixed mold 2 are penetrated and provided with an ejection assembly 7 communicated with the molding cavity, the end part of the ejection assembly 7 is matched with the molding cavity, and the ejection assembly 7 is used for ejecting the light guide 12.
The vehicle reading light guide injection mold can be provided with two molding cavities between the female mold 21, the male mold 31 and the two molding modules 4, and the pouring hole groove 6 penetrates through the space between the mold frame 1 and the male mold 31 of the movable mold 3 and is communicated with the two molding cavities. The demolding assemblies 5 are arranged on two sides of the forming module 4 and are longitudinally matched with the fixed die 2 in a sliding mode, and the demolding assemblies 5 are fixedly connected with the forming module 4. The ejection assembly 7 comprises an ejector plate 71 and four stripping ejector pins 72, wherein the ejector plate 71 and the four stripping ejector pins 72 are respectively positioned below the two forming cavities, and the end parts of the stripping ejector pins 72 are matched with the bottoms of the forming cavities. When the ejector pin plate 71 drives the stripping ejector pin 72 to eject the light guide 12, the end of the stripping ejector pin 72 is matched with the bottom of the light guide 12, so that the light guide 12 is not damaged when being ejected.
Specifically, a plastic material which is melted by heating is injected into two molding cavities through a pouring hole groove 6 by an injection molding machine, after cooling and solidification, a plastic molding light guide 12 is obtained, in the injection molding process, a movable mold 3 and a fixed mold 2 are pressed to form a pouring system and a molding cavity, the movable mold 3 is driven by a driving mechanism to be separated from the fixed mold 2 during mold opening, a driving rod 52 arranged on the movable mold 3 drives a demolding assembly 5 to drive the molding module 4 to longitudinally move for demolding both sides of the injection molded light guide 12, then a driving mechanism drives a ejector plate 71 to drive a stripping ejector pin 72 to eject the light guide 12, and a blanking mechanism moves the light guide 12 out.
In the structure, by arranging the two forming cavities, the two light guides 12 can be processed and injection molded at the same time, and the demolding assembly 5 and the ejection assembly 7 are also arranged for demolding the two light guides 12 at the same time. This arrangement not only improves the working efficiency of the injection molding process of the injection mold, but also improves the demolding effect, and is not easy to damage the light guide 12.
As shown in fig. 4, in one embodiment, a plurality of press-fit parts 8 press-fit with the top of the forming cavity are arranged in the movable mold 3 and the mold frame 1 of the light guide injection mold for the reading lamp for the vehicle.
Specifically, when the movable mold 3 is pressed against the fixed mold 2, the pressing member 8 in the movable mold 3 is pressed against the top of the molding cavity. So that the molding cavity forms a closed pouring space. This arrangement facilitates injection molding of the light guide 12.
As shown in fig. 5, in one embodiment, the pressing component 8 of the automotive reading light guide injection mold comprises a fixing portion 81 and a wedge-shaped pressing block 82, the fixing portion 81 is installed in the mold frame 1 and the movable mold 3, the wedge-shaped pressing block 82 is installed in the male mold 31 of the movable mold 3, a sliding groove 811 is obliquely arranged at one end, close to the wedge-shaped pressing block 82, of the fixing portion 81, a clamping block 822 in sliding fit with the sliding groove 811 of the fixing portion 81 is arranged at the top of the wedge-shaped pressing block 82, and a profiling pressing groove 821 for pressing the top of the light guide 12 is obliquely arranged at the bottom of the wedge-shaped pressing block 82.
Specifically, when the first driving mechanism drives the movable die 3 to drive the wedge-shaped pressing block 82 to press the two forming cavities, the fixing portion 81 drives the wedge-shaped pressing block 82 to extend into the male die 31 of the movable die 3, the clamping block 822 of the wedge-shaped pressing block 82 moves along the sliding groove 811 which is obliquely arranged to be pressed above the forming cavities, and the bottom of the wedge-shaped pressing block 82 is provided with a striped profiling pressing groove 821 which is matched with the top of the light guide 12. This arrangement facilitates injection molding the shape of the top of the light guide 12.
As shown in fig. 6, in one embodiment, a support column 211 adapted to the bottoms of a plurality of molding cavities is disposed in the female die 21 of the fixed die 2 of the vehicle reading light guide injection mold.
Specifically, a support column 211 matched with the two molding cavities is arranged in the female die 21, and a circular groove matched with the bottom of the molding cavity is formed in the top of the support column 211 and is identical to the bottom of the main body of the light guide 12 in shape. This arrangement facilitates injection molding the shape of the bottom of the body of the light guide 12.
As shown in fig. 3, in one embodiment, the demolding assembly 5 of the light guide injection mold for the vehicle reading light comprises two sliding modules 51, a driving rod 52 and a positioning shaft 53 are obliquely arranged on the moving mold 3, a groove matched with the positioning shaft 53 in a positioning way is formed in the driving rod 52, a through hole matched with the driving rod 52 in a positioning way is obliquely formed in the sliding module 51, and the driving rod 52 is used for driving the sliding module 51 to drive the molding module 4 to longitudinally move to demold the light guide 12.
Specifically, a boss in sliding fit with the sliding module 51 is provided on the fixed mold 2, and a bar-shaped module in sliding fit with the forming module 4 is provided on the female mold 21. When the driving mechanism drives the fixed die 2 and the movable die 3 to be closed, the fixed positioning shaft 53 on the movable die 3 drives the driving rod 52 to extend into the through hole of the sliding module 51, and the driving rod 52 is obliquely arranged, so that in the closing process, the driving rod 52 pulls the sliding module 51 to drive the two forming modules 4 to be closed, and after the fixed die 2 and the movable die 3 are closed, a closed forming cavity is formed among the female die 21 of the fixed die 2, the male die 31 of the movable die 3 and the two forming modules 4. After the injection molding of the light guide 12, the fixed die 2 and the movable die 3 are opened, the positioning shaft 53 moves when the movable die 3 moves, the positioning shaft 53 drives the driving rod 52 to move, the driving rod 52 drives the two sliding modules 51 to move in opposite directions, so that the forming modules 4 are separated, and the two sides of the injection molded light guide 12 are demolded. This arrangement facilitates the demolding process on both sides of the light guide 12.
As shown in fig. 2, in one embodiment, the ejection assembly 7 of the injection mold for automotive reading light guide comprises an ejector plate 71 and a plurality of ejector pins 72 adapted to the bottom of the molding cavity, wherein the ejector plate 71 is disposed between the mold frame 1 and the fixed mold 2, one end of the ejector pins 72 away from the molding cavity is fixedly connected with the ejector plate 71, and the ejector plate 71 is used for driving the ejector pins 72 to eject the injection molded light guide 12.
Specifically, since the two sides of the light guide are symmetrically provided with the block-shaped protruding portions, the bottoms of the block-shaped protruding portions are horizontal planes, and the ejection assembly 7 comprises four stripping ejector pins 72, wherein two stripping ejector pins 72 correspond to the lower ends of two block-shaped protruding portions of one light guide 12, and the tops of the stripping ejector pins 72 are mutually matched with the corresponding portions of the female die 21 to form the horizontal planes. This arrangement facilitates injection molding of the block-shaped bosses on both sides of the light guide 12.
As shown in fig. 4 and 6, in one embodiment, the female mold 21 and the male mold 31 of the vehicle reading light guide injection mold are respectively provided with a water path 9 for cooling the mold.
Specifically, a cold water tank may be provided and connected to the water paths 9 in the male die 31 and the female die 21, respectively, and the water paths 9 may cool the die. This setting is convenient for accelerate injection mold refrigerated speed, the effectual injection molding efficiency who improves injection mold.
As shown in fig. 1, in one embodiment, a lifting ring seat 10 and a lifting ring 11 are disposed on one side of a fixed mold 2 of the vehicle reading light guide injection mold, the lifting ring seat 10 is fixedly connected with one side of the fixed mold 2, and the lifting ring 11 is mounted on one end of the lifting ring seat 10 away from the fixed mold 2.
Specifically, a lifting ring seat 10 is arranged on one side of the fixed mold 2, and a lifting ring 11 is arranged on the lifting ring seat 10. The lifting ring seat 10 can prevent the gravity center of the die from deviating, and the lifting ring 11 can be matched with lifting equipment to move the injection die to other working occasions for use.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. The light guide injection mold for the vehicle reading lamp is characterized by comprising a mold frame (1), wherein one end in the mold frame (1) is provided with a fixed mold (2), a female mold (21) is arranged on the fixed mold (2), the other end in the mold frame (1) is provided with a movable mold (3), a male mold (31) is arranged on the movable mold (3), the female mold (21) corresponds to the male mold (31) in position, two molding modules (4) are arranged between the female mold (21) and the male mold (31), a plurality of molding cavities are arranged between the female mold (21), the male mold (31) and the two molding modules (4), the two molding modules (4) can longitudinally slide along two sides of the female mold (21) respectively,
The fixed die (2) is provided with a demoulding component (5) for carrying out side-drawing demoulding on the light guide (12) in a sliding way, the demoulding component (5) is positioned at the outer side of the forming module (4) and is fixedly connected with the forming module (4), the movable die (3) is provided with a containing groove for containing the demoulding component (5),
Casting hole grooves (6) communicated with the forming cavity are formed in the male dies (31) of the die frame (1) and the movable die (3) in a penetrating mode,
The die frame (1) and the female die (21) of the fixed die (2) are provided with ejector components (7) communicated with the forming cavity in a penetrating mode, the end parts of the ejector components (7) are matched with two sides of the bottom of the forming cavity, and the ejector components (7) are used for ejecting the light guide (12).
2. The vehicle reading light guide injection mold according to claim 1, wherein a plurality of pressing parts (8) which are matched with the top of the forming cavity in a pressing mode are arranged in the movable mold (3) and the mold frame (1).
3. The vehicle reading light guide injection mold according to claim 2, wherein the pressing part (8) comprises a fixing part (81) and a wedge-shaped pressing block (82), the fixing part (81) is installed in the mold frame (1) and the movable mold (3), the wedge-shaped pressing block (82) is installed in a male mold (31) of the movable mold (3), a sliding groove (811) is obliquely arranged at one end, close to the wedge-shaped pressing block (82), of the fixing part (81), a clamping block (822) in sliding fit with the sliding groove (811) of the fixing part (81) is arranged at the top of the wedge-shaped pressing block (82), and a profiling pressing groove (821) for pressing the top of the light guide (12) is obliquely arranged at the bottom of the wedge-shaped pressing block (82).
4. The vehicle reading light guide injection mold according to claim 1, wherein a support column (211) matched with the bottoms of a plurality of molding cavities is arranged in the female mold (21) of the fixed mold (2).
5. The vehicle reading light guide injection mold according to claim 1, wherein the demolding assembly (5) comprises two sliding modules (51), a driving rod (52) and a positioning shaft (53) are obliquely arranged on the movable mold (3), a groove matched with the positioning shaft (53) in a positioning mode is formed in the driving rod (52), a through hole matched with the driving rod (52) in a positioning mode is obliquely formed in the sliding module (51), and the driving rod (52) is used for driving the sliding module (51) to drive the forming module (4) to longitudinally move to demold two sides of the light guide (12).
6. The vehicle reading light guide injection mold according to claim 1, wherein the ejection assembly (7) comprises an ejector plate (71) and a plurality of stripping ejector pins (72) which are matched with the bottom of the molding cavity, the ejector plate (71) is arranged between the mold frame (1) and the fixed mold (2), one end of the stripping ejector pins (72) far away from the molding cavity is fixedly connected with the ejector plate (71), and the ejector plate (71) is used for driving the stripping ejector pins (72) to eject the light guide (12).
7. The vehicle reading light guide injection mold according to claim 1, wherein the female mold (21) and the male mold (31) are respectively provided with a water path (9) for cooling the mold.
8. The vehicle reading light guide injection mold according to claim 1, wherein a lifting ring seat (10) and a lifting ring (11) are arranged on one side of the fixed mold (2), the lifting ring seat (10) is fixedly connected with one side of the fixed mold (2), and the lifting ring (11) is arranged at one end, far away from the fixed mold (2), of the lifting ring seat (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420698231.3U CN222061101U (en) | 2024-04-08 | 2024-04-08 | Light guide injection mold for reading lamp for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420698231.3U CN222061101U (en) | 2024-04-08 | 2024-04-08 | Light guide injection mold for reading lamp for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222061101U true CN222061101U (en) | 2024-11-26 |
Family
ID=93543244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420698231.3U Active CN222061101U (en) | 2024-04-08 | 2024-04-08 | Light guide injection mold for reading lamp for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222061101U (en) |
-
2024
- 2024-04-08 CN CN202420698231.3U patent/CN222061101U/en active Active
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