CN220373785U - Injection molding structure of plastic fork with small gram weight - Google Patents
Injection molding structure of plastic fork with small gram weight Download PDFInfo
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- CN220373785U CN220373785U CN202321777983.0U CN202321777983U CN220373785U CN 220373785 U CN220373785 U CN 220373785U CN 202321777983 U CN202321777983 U CN 202321777983U CN 220373785 U CN220373785 U CN 220373785U
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Abstract
The utility model belongs to the technical field of molds, and relates to a plastic fork injection molding structure with small gram weight. The plastic fork mold comprises an upper mold base, wherein an upper mold plate is fixedly connected to the side wall of the lower side of the upper mold base, pouring ports are formed in the upper mold base and the upper mold plate, the two pouring ports are communicated with each other, a lower mold plate is arranged below the upper mold plate, a plastic fork mold core is arranged between the upper mold plate and the lower mold plate, the plastic fork mold core comprises a mold plate, a plurality of plastic fork mold grooves are formed in the mold plate, and a guide mechanism is connected between the upper mold plate and the lower mold plate. Compared with the existing small-gram-weight plastic fork injection mold, the injection mold can form the small-gram-weight plastic fork with more uniform thickness, and the injection molding quality of the small-gram-weight plastic fork injection mold is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a plastic fork injection molding structure with small gram weight.
Background
The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification. The plastic fork with the small gram weight is a tableware commonly used by modern takeaway users, and is manufactured in a large scale through an injection mold.
When the existing injection mold for the small-gram-weight plastic fork is used for production and processing, a male mold is used for shaping, and the thickness of each part of the injection molded small-gram-weight plastic fork is easily uneven when the male mold is used, so that the quality of the injection molded small-gram-weight plastic fork is uneven.
Disclosure of Invention
The utility model aims to solve the problems and provides a plastic fork injection molding structure with small gram weight.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a little gram weight plastics fork injection structure, includes the upper die base, the lateral wall fixedly connected with cope match-plate pattern of upper die base downside, the sprue has all been seted up on upper die base and the cope match-plate pattern, two the sprue communicates each other, the below of cope match-plate pattern is provided with the lower bolster, be provided with plastics fork mold core between cope match-plate pattern and the lower bolster, plastics fork mold core includes the template, a plurality of plastics fork die grooves have been seted up on the template, be connected with guiding mechanism between cope match-plate pattern and the lower bolster.
In the injection molding structure of the small gram weight plastic fork, the guide mechanism comprises four guide posts fixedly connected to the upper die plate, four guide grooves matched with the guide posts are formed in the side wall of the upper side of the lower die plate, and the four guide posts are movably inserted into the four guide grooves respectively.
In the small gram weight plastic fork injection molding structure, the same casting sleeve is fixedly sleeved in the two casting openings, and the concrete shape of the casting sleeve is conical.
In the small gram weight plastic fork injection molding structure, the vertical side wall of the upper template is provided with a plurality of radiating holes which are uniformly distributed on the upper template and communicated with the plastic fork mold core.
In the injection molding structure of the small-gram-weight plastic fork, the side wall of the lower side of the lower die plate is provided with the through holes, the through holes are uniformly distributed on the lower die plate, the demolding ejector rod is movably sleeved in the through holes, and the lower end of the demolding ejector rod extends out of the through holes.
In the injection molding structure of the small-gram-weight plastic fork, the pouring ring is fixedly connected in the pouring opening and is positioned above the pouring sleeve.
In the small gram weight plastic fork injection molding structure, two pin holes are symmetrically formed in the pouring ring, and two pin grooves corresponding to the pin holes are formed in the upper die holder.
In the small gram weight plastic fork injection molding structure, two positioning grooves are symmetrically formed in the side wall of the upper side of the lower die plate, and the specific shape of each positioning groove is square.
In the small gram weight plastic fork injection molding structure, four mounting holes are formed in the side wall of the lower side of the lower die plate, and the four mounting holes are respectively located at four corners of the lower surface of the lower die plate.
In the small gram weight plastic fork injection molding structure, the guide post comprises a middle post, and the upper end and the lower end of the middle post are fixedly connected with the inserting blocks.
Compared with the prior art, the utility model has the advantages that:
1. according to the utility model, through the upper die holder, the upper die plate, the pouring gate, the lower die plate, the plastic fork die core, the die plate and the plastic fork die groove, during injection molding, raw materials in a molten state are added into the pouring gate, the raw materials in the molten state flow into the plastic fork die groove on the plastic fork die core through the pouring gate, and the raw materials in the molten state are filled in the plastic fork die groove, so that a small gram weight plastic fork can be formed by being matched with the upper die plate, a complete small gram weight plastic fork can be formed after the raw materials are cooled, and compared with the existing small gram weight plastic fork injection mold, the injection mold can form a small gram weight plastic fork with more uniform thickness, and the injection molding quality of the small gram weight plastic fork injection mold is effectively improved.
2. According to the utility model, the upper die plate can be guided through the guide posts and the guide grooves, so that the stability and smoothness of the upper die plate and the upper die base during up-and-down sliding can be improved, and the smoothness of the structure operation of the injection die is effectively improved.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic diagram of the bulk structure of the present utility model.
Fig. 2 is a schematic view of the structure of the present utility model with the upper template removed.
Fig. 3 is a schematic view of the structure of fig. 2 in another direction.
Fig. 4 is a schematic diagram of the explosive structure of fig. 2.
In the figure: 1. an upper die holder; 2. an upper template; 3. a sprue gate; 4. a lower template; 5. a plastic fork mold core; 6. a template; 7. a plastic fork mold groove; 8. a guide post; 9. a guide groove; 10. casting the sleeve; 11. a heat radiation hole; 12. demolding the ejector rod; 13. a casting ring; 14. a pin hole; 15. a pin slot; 16. a positioning groove; 17. a mounting hole; 18. a middle column; 19. and (5) inserting blocks.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a small gram weight plastic fork injection molding structure comprises an upper die holder 1, wherein an upper die plate 2 is fixedly connected to the side wall of the lower side of the upper die holder 1, pouring ports 3 are formed in the upper die holder 1 and the upper die plate 2, the two pouring ports 3 are mutually communicated, a lower die plate 4 is arranged below the upper die plate 2, a plastic fork die core 5 is arranged between the upper die plate 2 and the lower die plate 4, the plastic fork die core 5 comprises a die plate 6, a plurality of plastic fork die grooves 7 are formed in the die plate 6, and a guide mechanism is connected between the upper die plate 2 and the lower die plate 4.
In the above embodiment, during injection molding, the raw material in a molten state is added to the sprue gate 3, and flows into the plastic fork mold cavity 7 on the plastic fork mold core 5 through the sprue gate 3, so that the raw material in a molten state fills up the plastic fork mold cavity 7 to form a small-gram-weight plastic fork with the upper mold plate 2, and when the raw material is cooled, a complete small-gram-weight plastic fork can be formed.
The guide mechanism comprises four guide posts 8 fixedly connected to the upper die plate 2, four guide grooves 9 matched with the guide posts 8 are formed in the side wall of the upper side of the lower die plate 4, and the four guide posts 8 are movably inserted into the four guide grooves 9 respectively.
In this embodiment, the guide pillar 8 and the guide groove 9 are matched with each other, so that the upper die plate 2 can be guided, stability and smoothness of the upper die plate 2 and the upper die holder 1 in vertical sliding can be improved, and the smoothness of the structure operation of the injection die is effectively improved.
The two pouring ports 3 are fixedly sleeved with the same pouring sleeve 10, and the concrete shape of the pouring sleeve 10 is conical.
In the above embodiment, the pouring jacket 10 is provided to protect the pouring spout 3, to improve the service life of the pouring spout 3, and to improve the smoothness of filling of the molten raw material.
The vertical side wall of the upper template 2 is provided with a plurality of heat dissipation holes 11, the heat dissipation holes 11 are uniformly distributed on the upper template 2, and the heat dissipation holes 11 are communicated with the plastic fork mold core 5.
In this embodiment, the cooling hole 11 can improve the cooling speed of the raw material inside the injection mold, so as to improve the molding efficiency of the plastic fork with small gram weight, and effectively improve the production efficiency of the plastic fork injection structure with small gram weight.
The side wall of lower bolster 4 downside has seted up a plurality of through-holes, and a plurality of through-holes evenly distributed is on lower bolster 4, the interior activity of through-hole has cup jointed drawing of patterns ejector pin 12, the through-hole is stretched out to the lower extreme of drawing of patterns ejector pin 12.
In the above embodiment, the plurality of demolding ejector rods 12 can push the formed small-gram-weight plastic fork upwards to move upwards during demolding, so that the small-gram-weight plastic fork can be quickly demolded, the convenience of demolding of the small-gram-weight plastic fork injection molding structure is effectively improved, and the injection molding efficiency of the small-gram-weight plastic fork injection molding structure is effectively improved.
A pouring ring 13 is fixedly connected in the pouring opening 3, and the pouring ring 13 is positioned above the pouring sleeve 10.
In this embodiment, the provided pouring ring 13 can improve the service life of the upper die holder 1 and the pouring opening 3.
Two pin holes 14 are symmetrically formed in the pouring ring 13, and two pin grooves 15 corresponding to the pin holes 14 are formed in the upper die holder 1.
In the present embodiment, the pin holes 14 and the pin grooves 15 are provided to cooperate with each other, so that the convenience in fixing the casting ring 13 can be improved.
Two positioning grooves 16 are symmetrically formed in the side wall of the upper side of the lower die plate 4, and the specific shape of each positioning groove 16 is square.
In the above embodiment, the positioning groove 16 is provided to improve the accuracy of the cooperation of the lower die plate 4 and the upper die plate 2.
Four mounting holes 17 are formed in the side wall of the lower side of the lower die plate 4, and the four mounting holes 17 are respectively located at four corners of the lower surface of the lower die plate 4.
In the present embodiment, the four mounting holes 17 are provided to improve the convenience of mounting the lower die plate 4.
The guide post 8 comprises a middle post 18, and the upper end and the lower end of the middle post 18 are fixedly connected with inserting blocks 19.
The working principle of the utility model is as follows:
when in injection molding processing, a raw material in a molten state is added into a pouring gate 3, the raw material in the molten state flows into a plastic fork die groove 7 on a plastic fork die core 5 through the pouring gate 3, and the plastic fork die groove 7 is filled with the raw material in the molten state, so that a small-gram-weight plastic fork can be formed by being matched with an upper die plate 2, and when the raw material is cooled, a complete small-gram-weight plastic fork can be formed, and compared with the existing small-gram-weight plastic fork injection mold, the injection mold can form a small-gram-weight plastic fork with more uniform thickness, and the injection molding quality of the small-gram-weight plastic fork injection mold is effectively improved;
the guide post 8 is matched with the guide groove 9, so that the upper die plate 2 can be guided, the stability and smoothness of the upper die plate 2 and the upper die holder 1 in vertical sliding can be improved, and the smoothness of the structure operation of the injection die is effectively improved;
the pouring jacket 10 can protect the pouring gate 3, can prolong the service life of the pouring gate 3, and can improve the smoothness of filling the molten raw materials;
the cooling holes 11 can improve the cooling speed of the raw materials in the injection mold, so that the forming efficiency of the small-gram-weight plastic fork can be improved, and the production efficiency of the injection structure of the small-gram-weight plastic fork is effectively improved;
the plurality of demoulding ejector rods 12 can push the formed small-gram-weight plastic fork upwards to move upwards during demoulding, so that the small-gram-weight plastic fork can be quickly demoulded, the convenience of demoulding of the small-gram-weight plastic fork injection structure is effectively improved, and the injection molding efficiency of the small-gram-weight plastic fork injection structure is effectively improved;
the pin holes 14 and the pin grooves 15 are matched with each other, so that the convenience of fixing and mounting the pouring ring 13 can be improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model.
Although 1, upper die holder is used more herein; 2. an upper template; 3. a sprue gate; 4. a lower template; 5. a plastic fork mold core; 6. a template; 7. a plastic fork mold groove; 8. a guide post; 9. a guide groove; 10. casting the sleeve; 11. a heat radiation hole; 12. demolding the ejector rod; 13. a casting ring; 14. a pin hole; 15. a pin slot; 16. a positioning groove; 17. a mounting hole; 18. a middle column; 19. insert, etc., but does not exclude the possibility of using other terms. These terms are only used to more conveniently describe and explain the nature of the utility model and should be construed in a manner consistent with their spirit and scope.
Claims (10)
1. The utility model provides a little gram weight plastics fork injection structure, includes upper die base (1), its characterized in that, lateral wall fixedly connected with cope match-plate pattern (2) of cope match-plate pattern (1) downside, gate (3) have all been seted up on cope match-plate pattern (1) and cope match-plate pattern (2), two gate (3) communicate each other, the below of cope match-plate pattern (2) is provided with lower bolster (4), be provided with plastics fork mold core (5) between cope match-plate pattern (2) and lower bolster (4), plastics fork mold core (5) include template (6), a plurality of plastics fork mold grooves (7) have been seted up on template (6), be connected with guiding mechanism between cope match-plate pattern (2) and lower bolster (4).
2. The small-gram-weight plastic fork injection molding structure according to claim 1, wherein the guide mechanism comprises four guide posts (8) fixedly connected to the upper die plate (2), four guide grooves (9) matched with the guide posts (8) are formed in the side wall of the upper side of the lower die plate (4), and the four guide posts (8) are movably inserted into the four guide grooves (9) respectively.
3. The injection molding structure of the small-gram-weight plastic fork according to claim 2, wherein the two pouring openings (3) are fixedly sleeved with the same pouring sleeve (10), and the concrete shape of the pouring sleeve (10) is conical.
4. A small gram weight plastic fork injection molding structure according to claim 3, wherein a plurality of heat dissipation holes (11) are formed in the vertical side wall of the upper template (2), the heat dissipation holes (11) are uniformly distributed on the upper template (2), and the heat dissipation holes (11) are communicated with the plastic fork mold core (5).
5. The injection molding structure of the small-gram-weight plastic fork according to claim 4, wherein a plurality of through holes are formed in the side wall of the lower side of the lower die plate (4), the through holes are uniformly distributed in the lower die plate (4), a demolding ejector rod (12) is movably sleeved in the through holes, and the lower end of the demolding ejector rod (12) extends out of the through holes.
6. The injection molding structure of the small-gram-weight plastic fork according to claim 5, wherein a pouring ring (13) is fixedly connected in the pouring opening (3), and the pouring ring (13) is positioned above the pouring sleeve (10).
7. The injection molding structure of the small-gram-weight plastic fork according to claim 6, wherein two pin holes (14) are symmetrically formed in the pouring ring (13), and two pin grooves (15) corresponding to the pin holes (14) are formed in the upper die holder (1).
8. The injection molding structure of the small-gram-weight plastic fork according to claim 7, wherein two positioning grooves (16) are symmetrically formed in the side wall of the upper side of the lower die plate (4), and the specific shape of each positioning groove (16) is square.
9. The injection molding structure of the small-gram-weight plastic fork according to claim 8, wherein four mounting holes (17) are formed in the side wall of the lower side of the lower die plate (4), and the four mounting holes (17) are respectively located at four corners of the lower surface of the lower die plate (4).
10. The small-gram-weight plastic fork injection molding structure according to claim 9, wherein the guide post (8) comprises a middle post (18), and the upper end and the lower end of the middle post (18) are fixedly connected with inserting blocks (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777983.0U CN220373785U (en) | 2023-07-06 | 2023-07-06 | Injection molding structure of plastic fork with small gram weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321777983.0U CN220373785U (en) | 2023-07-06 | 2023-07-06 | Injection molding structure of plastic fork with small gram weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220373785U true CN220373785U (en) | 2024-01-23 |
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ID=89571905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321777983.0U Active CN220373785U (en) | 2023-07-06 | 2023-07-06 | Injection molding structure of plastic fork with small gram weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220373785U (en) |
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2023
- 2023-07-06 CN CN202321777983.0U patent/CN220373785U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Injection molded structure of Xiaokezhong plastic fork Granted publication date: 20240123 Pledgee: Bank of Ningbo Co.,Ltd. Taizhou Branch Pledgor: TAIZHOU FULONG PLASTIC & RUBBER Co.,Ltd. Registration number: Y2024330001031 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |