CN214111199U - Asynchronous injection molding positioning structure for multicolor part of car lamp - Google Patents
Asynchronous injection molding positioning structure for multicolor part of car lamp Download PDFInfo
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- CN214111199U CN214111199U CN202021747080.4U CN202021747080U CN214111199U CN 214111199 U CN214111199 U CN 214111199U CN 202021747080 U CN202021747080 U CN 202021747080U CN 214111199 U CN214111199 U CN 214111199U
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- pressing block
- shaping
- die cavity
- mold cavity
- injection mold
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Abstract
The utility model relates to an asynchronous injection positioning structure of car light polychrome part, including fixed mould die cavity keeper, and the first injection mould die cavity replacement and the back injection mould die cavity replacement of its compound die independently in proper order, still include the design briquetting, form the first die cavity that is used for injecting the first part between fixed mould die cavity keeper and the first injection mould die cavity replacement, the first part, form the second die cavity that is used for injecting the second part between fixed mould die cavity keeper and the back injection mould die cavity replacement, through the setting of design briquetting, make the injection moulding process of first part, the condition of receiving water deformation can not appear, and the first part participates in the composition of the second die cavity after injection moulding, make the matching degree between second part and the first part higher, car light polychrome part structure that both constitute is compacter, the precision is higher.
Description
Technical Field
The utility model belongs to the technical field of the car lamp, concretely relates to asynchronous location structure of moulding plastics of car light polychrome part and manufacturing process thereof.
Background
In order to seek for aesthetic appearance of a model, consider shielding of internal non-exterior structural parts, and continuously compress a vehicle body volume by an installation space of peripheral accessories, an outer lens/an inner decoration part which generally needs a multicolor injection molding process using more than two materials (colors) is more and more widely applied to a vehicle lamp, however, after injection molding of an injection molding part, more or less deformation (warpage/shrinkage and the like …) is generated, if deformation of an injection molding part is not limited, a mold is not matched with the outline of the injection molding part, and defects such as stringing of glue/crushing of the injection molding part/aggravation of deformation are caused.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an asynchronous location structure of moulding plastics of car light polychrome part and manufacturing process thereof, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
The purpose of the utility model is realized like this:
the utility model provides an asynchronous location structure of moulding plastics of car light polychrome part, including fixed mould die cavity keeper to and independently replace the spare rather than the first injection mold die cavity of compound die and back injection mold die cavity replacement in proper order, still including the design briquetting, form the first die cavity that is used for moulding plastics first part between fixed mould die cavity keeper and the first injection mold die cavity replacement, first part, form the second die cavity that is used for moulding plastics the second part between fixed mould die cavity keeper and the back injection mold die cavity replacement.
The shaping pressing block is provided with a shaping inclined plane used for pressing the first part, and the first part is provided with a part inclined plane corresponding to the shaping inclined plane.
A first limiting structure is formed between the first part and the shaping pressing block; a second limiting structure is formed between the second part and the positioning pressing block.
The first limiting structure comprises a shaping convex block arranged on the shaping inclined plane and a part clamping groove which is arranged on the first part and corresponds to the shaping convex block.
The second limiting structure comprises a part clamping block which is arranged on the second part and corresponds to the part clamping groove.
The shaping pressing block compresses the first part through the positioning mechanism or is separated from the first part through the positioning mechanism.
The positioning mechanism comprises a pressing inclined plane and a separating inclined plane which are arranged on the shaping pressing block;
the injection mold cavity replacement part is provided with a pressing block corresponding to the pressing inclined plane, the injection mold cavity replacement part and the fixed mold cavity retainer are closed to enable the pressing block to press the shaping pressing block, and the shaping pressing block is tightly attached to the first part;
and the rear injection mold cavity replacement part is provided with a pushing separation block corresponding to the separation inclined plane, and the rear injection mold cavity replacement part and the fixed mold cavity retainer are matched to ensure that the pushing separation block pushes the shaping pressing block, and the shaping pressing block is separated from the first part.
The positioning mechanism is a driving cylinder body in transmission connection with the shaping pressing block;
when the injection mold cavity replacement part and the fixed mold cavity retainer are closed, the cylinder body is driven to push the shaping pressing block to be tightly attached to the first part;
when the rear injection mold cavity replacement part is matched with the fixed mold cavity retainer, the cylinder body is driven to drive the shaping pressing block to separate from the first part, and the matching action of the rear injection mold cavity replacement part and the fixed mold cavity retainer is synchronously carried out.
The utility model has the advantages that:
through the setting of design briquetting, make the injection moulding's of first part in-process, the condition that the receipts water warp can not appear, and first part participates in the constitution of second die cavity behind injection moulding, makes the matching degree between second part and the first part higher, and car light polychrome part structure that both constitute is compacter, and the precision is higher.
Drawings
Fig. 1 is the structure schematic diagram of the first embodiment of the present invention after the mold cavity replacement and the fixed mold cavity retainer are closed.
Fig. 2 is the structure schematic diagram of the utility model discloses behind the first embodiment behind injection mold die cavity replacement and the fixed mould die cavity keeper compound die.
Fig. 3 is the utility model discloses the decomposition schematic diagram behind injection mold die cavity replacement and the fixed mould die cavity retainer compound die behind the first embodiment.
Fig. 4 is an enlarged view of a first embodiment a of the present invention.
Fig. 5 is a schematic structural view of the second embodiment of the present invention after the mold cavity replacement and the fixed mold cavity retainer are closed.
Fig. 6 is the structure schematic diagram of the utility model discloses behind the second embodiment behind injection mold die cavity replacement and the fixed mould die cavity keeper compound die.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1-4, the asynchronous injection positioning structure of the multicolor part of the vehicle lamp comprises a fixed mold cavity retainer 1, a first injection mold cavity replacement part 2 and a second injection mold cavity replacement part 3 which are sequentially and independently matched with the fixed mold cavity retainer 1, a shaping pressing block 4 and a shaping pressing block 4, wherein a first cavity (not marked in the figures) for injecting a first part 51 is formed between the fixed mold cavity retainer 1 and the first injection mold cavity replacement part 2, a second cavity (not marked in the figures) for injecting a second part 52 is formed between the first part, the fixed mold cavity retainer 1 and the second injection mold cavity replacement part 3, and the shaping pressing block 4 is arranged to prevent the first part from water receiving deformation during injection molding, so that the first part participates in the composition of the second cavity after injection molding, and the matching degree between the second part 52 and the first part is higher, the car lamp multicolor part composed of the two parts has more compact structure and higher precision.
Furthermore, the shaping pressing block 4 is provided with a shaping inclined surface 41 for pressing the first part, the first part is provided with a part inclined surface 511 corresponding to the shaping inclined surface 41, and the design of the shaping inclined surface 41 can enable the acting force F of the shaping pressing block 4 acting on the first part to form two components, namely a downward pressing component F1 and an inward pressing component F2 (as shown in fig. 4), so that the shaping effect of the shaping pressing block 4 on the first part is better.
Further, a first limiting structure is formed between the first part 51 and the shaping pressing block 4; a second limiting structure is formed between the second part 52 and the positioning pressing block 4,
further, the first position-limiting structure includes a shaping protrusion 411 disposed on the shaping slant 41, and a part slot 512 disposed on the first part 51 and corresponding to the shaping protrusion 411,
further, second limit structure is including setting up on second part 52 and the part fixture block 521 that corresponds with part draw-in groove 512, because part fixture block 521 is moulded plastics according to the shape of part draw-in groove 512 and is formed, so matching degree between them can be higher, and both cooperations can realize the rapid Assembly of first, two parts.
Furthermore, the shaping pressing block 4 compresses the first part through the positioning mechanism or is separated from the first part through the positioning mechanism, so that the shaping pressing block 4 can automatically run to a set position when the first part and the second part are subjected to asynchronous injection molding, and the injection molding efficiency is improved.
Further, the positioning mechanism comprises a pressing inclined surface 42 and a separating inclined surface 43 which are arranged on the shaping pressing block 4;
the injection mold cavity replacement part 2 is provided with a pressing block 21 corresponding to the pressing inclined plane 42, the injection mold cavity replacement part 2 and the fixed mold cavity retainer 1 are matched to enable the pressing block 21 to press the shaping pressing block 4, and the shaping pressing block 4 is tightly attached to the first part;
the rear injection mold cavity replacement 3 is provided with a pushing separation block 31 corresponding to the separation inclined surface 43, and the rear injection mold cavity replacement 3 and the fixed mold cavity retainer 1 are matched to enable the pushing separation block 31 to push the shaping pressing block 4, so that the shaping pressing block 4 is separated from the first part.
Second embodiment
Referring to fig. 5 and 6, the difference between this embodiment and the first embodiment is that the positioning mechanism of the asynchronous injection positioning structure of the multicolor part of the vehicle lamp is a driving cylinder 6 in transmission connection with the shaping press block 4, the driving cylinder 6 can simplify the shaping press block 4, and the connection structure between the first injection mold cavity replacement 2 and the second injection mold cavity replacement 3 is adopted;
when the injection mold cavity replacement part 2 and the fixed mold cavity retainer 1 are closed, the cylinder body 6 is driven to push the shaping pressing block 4 to be tightly attached to the first part;
when the rear injection mold cavity replacement part 3 is matched with the fixed mold cavity retainer 1, the cylinder body 6 is driven to drive the shaping pressing block 4 to separate from the first part, and the matching action of the rear injection mold cavity replacement part 3 and the fixed mold cavity retainer 1 is carried out synchronously, and of course, a worker can also improve the synchronization degree between the two actions through a synchronization device.
The remaining portions not described are the same as those of the first embodiment, and are not repeated here.
The asynchronous injection molding positioning structure specifically comprises the following steps of:
step 1: combining the fixed mold cavity retainer 1 with the injection mold cavity replacement part 2 and forming a first cavity with the shaping pressing block 4;
step 2: pouring the first cavity and performing injection molding on the first part, wherein the shaping pressing block 4 presses the first part under the action of the positioning mechanism, the matching degree between the first part and the shaping pressing block 4 is high, and the positioning effect of the shaping pressing block 4 on the first part is good;
and step 3: after the first part is cooled, the injection mold cavity replacement part 2 is separated from the fixed mold cavity retaining part 1, the first part is left on the fixed mold cavity retaining part 1, and meanwhile, the shaping pressing block 4 keeps a state of pressing the first part under the action of the positioning mechanism, so that the first part is prevented from deforming due to water collection in the cooling process;
and 4, step 4: the rear injection mold cavity replacement part 3 and the fixed mold cavity retainer 1 are matched, in the process of matching the two, the shaping pressing block 4 is synchronously separated from the first part under the action of the positioning mechanism, and a second cavity for injecting the second part 52 is formed among the first part, the fixed mold cavity retainer 1 and the rear injection mold cavity replacement part 3;
and 5: the second cavity is poured and the second part 52 is injection molded.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (8)
1. The utility model provides an asynchronous location structure of moulding plastics of car light polychrome part, includes fixed mould die cavity keeper (1) to and independently replace piece (2) rather than the first injection mold die cavity of compound die and back injection mold die cavity replacement piece (3) in proper order, its characterized in that, still including design briquetting (4), first die cavity that is used for moulding plastics first part (51) is formed between fixed mould die cavity keeper (1) and the first injection mold die cavity replacement piece (2), first part (51), fixed mould die cavity keeper (1) and back injection mold die cavity replacement piece (3) between form the second die cavity that is used for moulding plastics second part (52).
2. The asynchronous injection positioning structure of multicolor parts of the car light according to claim 1, characterized in that: the shaping pressing block (4) is provided with a shaping inclined plane (41) used for pressing the first part (51), and a part inclined plane (511) corresponding to the shaping inclined plane (41) is arranged on the first part (51).
3. The asynchronous injection positioning structure of multicolor parts of the car light as claimed in claim 2, characterized in that: a first limiting structure is formed between the first part (51) and the shaping pressing block (4); a second limiting structure is formed between the second part (52) and the positioning pressing block (4).
4. The asynchronous injection positioning structure of multicolor parts of the car light as claimed in claim 3, characterized in that: the first limiting structure comprises a shaping bump (411) arranged on the shaping inclined plane (41) and a part clamping groove (512) arranged on the first part (51) and corresponding to the shaping bump (411).
5. The asynchronous injection positioning structure of multicolor parts of the car light as claimed in claim 4, characterized in that: the second limiting structure comprises a part clamping block (521) which is arranged on the second part (52) and corresponds to the part clamping groove (512).
6. The asynchronous injection-molded positioning structure of a multicolor part for a vehicle lamp according to any one of claims 1 to 5, characterized in that: the shaping pressing block (4) is pressed against the first part (51) through the positioning mechanism or separated from the first part (51) through the positioning mechanism.
7. The asynchronous injection positioning structure of multicolor parts of the car light as claimed in claim 6, characterized in that: the positioning mechanism comprises a pressing inclined plane (42) and a separating inclined plane (43) which are arranged on the shaping pressing block (4);
the injection mold cavity replacing part (2) is provided with a pressing block (21) corresponding to the pressing inclined plane (42), the injection mold cavity replacing part (2) and the fixed mold cavity retaining part (1) are matched to enable the pressing block (21) to press the shaping pressing block (4), and the shaping pressing block (4) is tightly attached to the first part (51);
and the rear injection mold cavity replacement piece (3) is provided with a pushing separation block (31) corresponding to the separation inclined plane (43), the rear injection mold cavity replacement piece (3) and the fixed mold cavity retainer (1) are matched to enable the pushing separation block (31) to push the shaping pressing block (4), and the shaping pressing block (4) is separated from the first part (51).
8. The asynchronous injection positioning structure of multicolor parts of the car light as claimed in claim 6, characterized in that: the positioning mechanism is a driving cylinder body (6) in transmission connection with the shaping pressing block (4);
when the injection mold cavity replacement part (2) and the fixed mold cavity retaining part (1) are firstly closed, the cylinder body (6) is driven to push the shaping pressing block (4) to be tightly attached to the first part (51);
when the rear injection mold cavity replacement part (3) is matched with the fixed mold cavity retainer (1), the driving cylinder body (6) drives the shaping pressing block (4) to be separated from the first part (51), and the matching action of the rear injection mold cavity replacement part (3) and the fixed mold cavity retainer (1) is carried out synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747080.4U CN214111199U (en) | 2020-08-19 | 2020-08-19 | Asynchronous injection molding positioning structure for multicolor part of car lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747080.4U CN214111199U (en) | 2020-08-19 | 2020-08-19 | Asynchronous injection molding positioning structure for multicolor part of car lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214111199U true CN214111199U (en) | 2021-09-03 |
Family
ID=77484120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021747080.4U Expired - Fee Related CN214111199U (en) | 2020-08-19 | 2020-08-19 | Asynchronous injection molding positioning structure for multicolor part of car lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214111199U (en) |
-
2020
- 2020-08-19 CN CN202021747080.4U patent/CN214111199U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210903 |