CN213353405U - Precise plastic mold with delay ejection structure - Google Patents
Precise plastic mold with delay ejection structure Download PDFInfo
- Publication number
- CN213353405U CN213353405U CN202022187936.3U CN202022187936U CN213353405U CN 213353405 U CN213353405 U CN 213353405U CN 202022187936 U CN202022187936 U CN 202022187936U CN 213353405 U CN213353405 U CN 213353405U
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- ejection
- transmission shaft
- delay
- movable plate
- shaft
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Abstract
The utility model relates to the technical field of plastic moulds, in particular to an accurate plastic mould with a time-delay ejection structure, which comprises an upper mould body, a lower mould body which can be separated and closed to the upper mould body, and an ejection module which is arranged on the lower mould body, wherein the upper mould body and the lower mould body form a molding cavity after being closed to each other, the ejection module is provided with a thimble, and the thimble extends to the molding cavity; the ejection module comprises an ejection fixing plate connected with the lower die body, a first transmission shaft and a second transmission shaft which are transmitted to the ejection fixing plate, an ejection substrate connected with the first transmission shaft, an ejection movable plate which is arranged on the ejection substrate and connected with the second transmission shaft, and a delay shaft arranged between the ejection movable plate and the ejection fixing plate; the utility model discloses have the time delay axle, can play the time delay effect to fly leaf activity in-process through the time delay axle under the effect through ejecting fly leaf, will play time delay cushioning effect to the product when the thimble is ejecting, promote product drawing of patterns shaping effect.
Description
Technical Field
The utility model relates to a plastic mould technical field especially relates to an accurate plastic mould of ejecting structure of area time delay.
Background
The mold is an important equipment indispensable in injection molding. Injection molding is a method of injecting a raw material having a certain temperature into a gap formed between a male mold and a female mold to form a product. The injection molding method has the characteristics of low molding cost, short molding period, simple molding process and the like, so the method is very commonly applied in the field of product manufacturing.
Generally, when the mold is opened, namely when two groups of molds are separated, the ejector pins eject the product out immediately, no time delay exists completely, the product does not have enough time to be cooled, and in the demolding process, the phenomenon of blank ejection of the product is easy to occur, and occasionally the product is pulled to affect the quality of the product.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a have the time delay axle, can play the time delay effect to fly leaf activity in-process through the time delay axle under the effect through ejecting fly leaf, will play time delay cushioning effect to the product when the thimble, promote the accurate plastic mould of the ejecting structure of area time delay of product drawing of patterns shaping effect.
The utility model adopts the technical proposal that: a precision plastic mold with a time delay ejection structure comprises an upper mold body, a lower mold body which can be separated and closed to the upper mold body, and an ejection module arranged on the lower mold body, wherein a molding cavity is formed after the upper mold body and the lower mold body are closed to each other, the ejection module is provided with an ejector pin, and the ejector pin extends to the molding cavity; the ejection die set comprises an ejection fixing plate connected with the lower die body, a first transmission shaft and a second transmission shaft which are transmitted to the ejection fixing plate, an ejection base plate connected with the first transmission shaft, an ejection movable plate installed on the ejection base plate and connected with the second transmission shaft, and a delay shaft arranged between the ejection movable plate and the ejection fixing plate, wherein the ejector pins are installed on the ejection movable plate.
The further improvement of the scheme is that an injection molding cavity is formed in the surface of the upper die body and communicated to the forming cavity.
The further improvement of the scheme is that the two sides of the upper die body are provided with guide correction blocks, and the lower die body is arranged on the guide positioning block corresponding to the guide correction blocks.
The further improvement of the scheme is that the guide correction block is provided with a positioning groove, and the guide positioning block is provided with a positioning boss corresponding to the positioning groove.
The further improvement of the scheme is that the molding cavity is provided with a plurality of groups of molding grooves, the injection molding cavity is provided with an injection molding groove, and the injection molding groove is communicated to the molding grooves.
The further improvement to above-mentioned scheme does, first transmission shaft and second transmission shaft all are provided with a plurality of groups, and the second transmission shaft of every group all overlaps and is equipped with buffer spring.
The further improvement of the scheme is that the ejection fixing plate is provided with a connecting blind hole, and the delay shaft is connected with the ejection movable plate.
The further improvement of the scheme is that the delay shaft penetrates through the ejection movable plate to be connected with the ejection base plate.
The further improvement of the scheme is that the outer diameter of the delay shaft is provided with a plurality of positioning rings.
The further improvement to the above scheme is that the ejecting movable plate is a double-layer transmission plate which is fixedly connected through screws.
The utility model has the advantages that:
compared with the traditional extension ejection mold, the utility model adopts the matching of the upper mold body and the lower mold body to form a molding cavity of a product needing injection molding, has simple structure and is also provided with an ejection module which is used for ejecting the product after injection molding by arranging a thimble, thereby facilitating demolding; in addition, the ejection module is matched with the ejection movable plate and the ejection base plate through the ejection fixing plate to act on the structural movement of the ejection module, the ejection module is convenient to connect and transmit through the first transmission shaft and the second transmission shaft, meanwhile, the ejection module is also provided with a delay shaft, the delay shaft can play a delay role in the movable process of the movable plate through the effect of ejecting the movable plate, the ejection pin plays a delay buffering role in the ejection of a product, and the product demolding and forming effect is improved. The mold comprises an upper mold body, a lower mold body and an ejection module, wherein the lower mold body can be separated and combined with the upper mold body, the ejection module is arranged on the lower mold body, a forming cavity is formed after the upper mold body and the lower mold body are combined, the ejection module is provided with an ejector pin, and the ejector pin extends to the forming cavity; the ejector pin is driven by the ejector module to eject and mold the product from the molding cavity, and the demolding effect is good.
The ejection module comprises an ejection fixing plate connected with the lower die body, a first transmission shaft and a second transmission shaft which are transmitted to the ejection fixing plate, an ejection base plate connected with the first transmission shaft, an ejection movable plate installed on the ejection base plate and connected with the second transmission shaft, and a delay shaft arranged between the ejection movable plate and the ejection fixing plate, wherein the ejector pins are installed on the ejection movable plate; through the guide transmission of guide shaft cooperation upper die body and lower mould body, make things convenient for the injection moulding product, be used for the fixed of structure through ejecting fixed plate, set up the connection that first transmission shaft and second transmission shaft cooperation are used for ejecting base plate, also make things convenient for ejecting fly leaf activity simultaneously, it is ejecting to drive thimble moving part product at ejecting fly leaf activity in-process, and the cooperation of delay shaft is ejecting, makes things convenient for the drawing of patterns.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a cross-sectional view of B-B in fig. 2.
Description of reference numerals: the injection molding device comprises an upper mold body 100, a guide shaft 110, an injection molding cavity 120, a guide correction block 130, a lower mold body 200, a guide positioning block 210, an ejection module 300, an ejector pin 310, an ejection fixing plate 320, a connecting blind hole 321, a first transmission shaft 330, a second transmission shaft 340, a buffer spring 341, an ejection base plate 350, an ejection movable plate 360, a delay shaft 370, a positioning ring 371 and a molding cavity 400.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a precision plastic mold with a delayed ejection structure includes an upper mold body 100, a lower mold body 200 detachably coupled to the upper mold body 100, and an ejection module 300 disposed on the lower mold body 200, wherein the upper mold body 100 and the lower mold body 200 are coupled to form a molding cavity 400, the ejection module 300 is provided with a thimble 310, and the thimble 310 extends to the molding cavity 400.
The upper die body 100 is provided with a plurality of sets of guide shafts 110, the lower die body 200 can be driven by the guide shafts 110, the ejection module 300 comprises an ejection fixing plate 320 connected to the lower die body 200, a first transmission shaft 330 and a second transmission shaft 340 driven by the ejection fixing plate 320, an ejection base plate 350 connected to the first transmission shaft 330, an ejection movable plate 360 mounted on the ejection base plate 350 and connected to the second transmission shaft 340, and a delay shaft 370 arranged between the ejection movable plate 360 and the ejection fixing plate 320, and the ejector pins 310 are mounted on the ejection movable plate 360; through the guide transmission of guide shaft 110 cooperation upper die body 100 and lower die body 200, make things convenient for the injection moulding product, be used for the fixed of structure through ejecting fixed plate 320, set up first transmission shaft 330 and the cooperation of second transmission shaft 340 and be used for ejecting the connection of base plate 350, also make things convenient for the activity of ejecting fly leaf 360 simultaneously, it is ejecting to drive thimble 310 moving part product at ejecting fly leaf 360 activity in-process, and the cooperation of delay shaft 370 is ejecting, makes things convenient for the drawing of patterns.
The surface of the upper die body 100 is provided with an injection molding cavity 120, the injection molding cavity 120 is communicated to a molding cavity 400, the further improvement is that the molding cavity 400 is provided with a plurality of groups of molding grooves (not shown in the figure), the injection molding cavity 120 is provided with an injection molding groove (not shown in the figure), the injection molding groove is communicated to the molding groove, the injection molding groove is matched with the injection molding groove to be used for transmitting injection molding raw materials and molding products, the molding effect is good, and the structure is simple and reliable.
The two sides of the upper die body 100 are provided with the guide correction blocks 130, the lower die body 200 is arranged on the guide positioning block 210 corresponding to the guide correction blocks 130, the improvement is that the guide correction blocks 130 are provided with positioning grooves, the guide positioning block 210 is provided with positioning bosses corresponding to the positioning grooves, the positioning grooves and the positioning bosses are connected by matching the guide correction blocks 130 and the guide positioning block 210, high-precision matching is realized, and the injection molding precision of products is further improved.
The ejecting fixing plate 320 is provided with a connecting blind hole 321, the delay shaft 370 is connected to the ejecting movable plate 360, and the connecting blind hole 321 is used for positioning the transmission of the delay shaft 370, so that the positioning function is achieved after the transmission reaches a certain position, and the delay function is achieved in the ejecting process.
The delay shaft 370 penetrates through the ejecting movable plate 360 to be connected with the ejecting base plate 350, and the further improvement is that the outer diameter of the delay shaft 370 is provided with a plurality of positioning rings 371, and the positioning rings 371 are used for delaying positioning, so that the positioning effect is good.
The ejecting movable plate 360 is a double-layer transmission plate, the double-layer transmission plate is fixedly connected through screws, a double-layer structure is adopted, the structure is reliable, and assembly is convenient.
The utility model adopts the cooperation of the upper die body 100 and the lower die body 200 to form the molding cavity 400 of the product to be injection molded, the structure is simple, and the ejection module 300 is also arranged, the ejection module 300 is used for ejecting the product after injection molding by arranging the thimble 310, thereby facilitating the demolding; in addition, the ejection module 300 is matched with the ejection movable plate 360 and the ejection substrate 350 through the ejection fixing plate 320 to act on the structural movement of the ejection module 300, the connection and transmission are facilitated through the first transmission shaft 330 and the second transmission shaft 340, meanwhile, the ejection module further comprises a delay shaft 370, the delay shaft 370 can play a delay role in the movable process of the movable plate through the action of ejecting the movable plate 360, the ejection pin 310 plays a delay buffering role in the ejection of a product, and the product demolding and molding effect is improved. Specifically, an upper mold body 100, a lower mold body 200 which can be separated and combined with the upper mold body 100, and an ejection module 300 which is arranged on the lower mold body 200 are arranged, the upper mold body 100 and the lower mold body 200 are combined to form a molding cavity 400, the ejection module 300 is provided with an ejector pin 310, and the ejector pin 310 extends to the molding cavity 400; the ejector pin 310 is driven by the ejector module 300 to eject and mold the product from the molding cavity 400, so that the demolding effect is good.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a take accurate plastic mould of ejecting structure of time delay which characterized in that: the mold comprises an upper mold body, a lower mold body which can be separated and combined with the upper mold body, and an ejection module which is arranged on the lower mold body, wherein the upper mold body and the lower mold body are combined to form a molding cavity, the ejection module is provided with an ejector pin, and the ejector pin extends to the molding cavity; the ejection die set comprises an ejection fixing plate connected with the lower die body, a first transmission shaft and a second transmission shaft which are transmitted to the ejection fixing plate, an ejection base plate connected with the first transmission shaft, an ejection movable plate installed on the ejection base plate and connected with the second transmission shaft, and a delay shaft arranged between the ejection movable plate and the ejection fixing plate, wherein the ejector pins are installed on the ejection movable plate.
2. The precision plastic mold with the delayed ejection structure of claim 1, wherein: an injection molding cavity is formed in the surface of the upper die body and communicated to the forming cavity.
3. The precision plastic mold with the delayed ejection structure of claim 1, wherein: the mould both sides of going up are provided with the direction correction block, the mould corresponds the direction correction block and sets up in the direction locating piece down.
4. The precision plastic mold with the delayed ejection structure of claim 3, wherein: the guide correction block is provided with a positioning groove, and the guide positioning block is provided with a positioning boss corresponding to the positioning groove.
5. The precision plastic mold with the delayed ejection structure of claim 2, wherein: the molding cavity is provided with a plurality of groups of molding grooves, the injection molding cavity is provided with an injection molding groove, and the injection molding groove is communicated to the molding grooves.
6. The precision plastic mold with the delayed ejection structure of claim 1, wherein: first transmission shaft and second transmission shaft all are provided with a plurality of groups, and the second transmission shaft of every group all overlaps and is equipped with buffer spring.
7. The precision plastic mold with the delayed ejection structure of claim 1, wherein: the ejection fixing plate is provided with a connecting blind hole, and the delay shaft is connected to the ejection movable plate.
8. The precision plastic mold with the delayed ejection structure of claim 7, wherein: the delay shaft penetrates through the ejection movable plate to be connected with the ejection base plate.
9. The precision plastic mold with the delayed ejection structure of claim 8, wherein: and the outer diameter of the delay shaft is provided with a plurality of positioning rings.
10. The precision plastic mold with the delayed ejection structure of claim 9, wherein: the ejection movable plate is a double-layer transmission plate which is fixedly connected through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022187936.3U CN213353405U (en) | 2020-09-29 | 2020-09-29 | Precise plastic mold with delay ejection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022187936.3U CN213353405U (en) | 2020-09-29 | 2020-09-29 | Precise plastic mold with delay ejection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213353405U true CN213353405U (en) | 2021-06-04 |
Family
ID=76157134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022187936.3U Expired - Fee Related CN213353405U (en) | 2020-09-29 | 2020-09-29 | Precise plastic mold with delay ejection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213353405U (en) |
-
2020
- 2020-09-29 CN CN202022187936.3U patent/CN213353405U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |