CN220700279U - Multimode cavity split-flow mold core for mold - Google Patents
Multimode cavity split-flow mold core for mold Download PDFInfo
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- CN220700279U CN220700279U CN202322363262.1U CN202322363262U CN220700279U CN 220700279 U CN220700279 U CN 220700279U CN 202322363262 U CN202322363262 U CN 202322363262U CN 220700279 U CN220700279 U CN 220700279U
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- 238000001746 injection moulding Methods 0.000 claims abstract description 124
- 239000012778 molding material Substances 0.000 abstract description 36
- 238000002347 injection Methods 0.000 abstract description 20
- 239000007924 injection Substances 0.000 abstract description 20
- 230000002950 deficient Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a multi-cavity split-flow mold core for a mold, which relates to the technical field of molds and comprises a lower mold core, wherein a plurality of convex molds are uniformly arranged on the lower mold core; the lower mold core is provided with an injection molding runner which is respectively communicated with a plurality of raised molds, a flow dividing block is arranged at the inner side of the middle of the injection molding runner, the upper end of the flow dividing block is provided with a plurality of raised parts and a plurality of flow dividing grooves, and the plurality of flow dividing grooves and the plurality of raised parts are distributed at intervals; the bottoms of the plurality of shunt grooves are all level with the bottom surface of the injection molding runner; when the injection molding device is used, the injection molding material is uniformly split through the plurality of splitter boxes of the splitter block and flows into the plurality of branches of the injection molding runner respectively, and then flows into the cavity of the mold respectively through the branches of the injection molding runner to finish injection molding; the injection molding materials are split through the split blocks, so that the injection molding materials can uniformly flow into each cavity, the capacities of the injection molding materials in each cavity are the same, the quality of injection molded products is ensured, and the defective rate is reduced.
Description
Technical Field
The utility model particularly relates to the technical field of dies, in particular to a multi-cavity split die core for a die.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. Among them, the industrial mother is named.
Chinese patent application number CN 108327185A discloses an injection mold, comprising an upper injection mold and a lower injection mold, characterized in that, two ends of the upper injection mold are provided with positioning through holes, the side surface of the upper injection mold is provided with slot holes, electromagnets are fixed in the slot holes, the surface of the upper injection mold is provided with a mold bottom plate and injection holes, and the injection holes are communicated with the mold bottom plate; the two ends of the lower injection mold are provided with positioning guide posts, the side surface of the lower injection mold is provided with a slotted hole, an electromagnet is fixed in the slotted hole, the surface of the lower injection mold is provided with a mold bottom plate and injection holes, and the injection holes are communicated with the mold bottom plate;
after the upper die is attached to the lower die, injection molding is carried out in a cavity of the die through an injection hole to complete injection molding operation; however, the material entering the cavity is in a molten state during injection molding, the flowing direction and flow rate of the material cannot be controlled in the process of flowing to the cavity through the injection molding hole, and in the process of injection molding, the material in the molten state is easy to have uneven distribution, so that the injection molding material in some cavities is excessive and the injection molding material in other cavities is too little, thereby ensuring poor quality of injection molding finished products and rising of the defective rate;
therefore, after the injection molding material enters the cavity between the upper mold core and the lower mold core through the injection molding pipe, the split blocks can uniformly split the injection molding material, so that the injection molding material can uniformly enter each cavity, and the quality of products obtained by injection molding is ensured.
Disclosure of Invention
The utility model aims to provide a multi-cavity split-flow mold core for a mold, which is used for solving the problem that after an upper mold is attached to a lower mold, injection molding is carried out in a cavity of the mold through an injection hole to finish injection molding operation; however, the material entering the cavity is in a molten state during injection molding, the flowing direction and flow rate of the material cannot be controlled in the process of flowing to the cavity through the injection molding hole, and in the process of injection molding, the material in the molten state is easy to have uneven distribution, so that the injection molding materials in some cavities are excessive and the injection molding materials in other cavities are too little, and the injection molding finished product quality is poor and the problem of bad product rate is increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the multi-cavity split-flow mold core for the mold comprises a lower mold core, wherein a plurality of convex molds are uniformly arranged on the lower mold core; the lower mold core is provided with an injection molding runner which is respectively communicated with a plurality of raised molds, a flow dividing block is arranged at the inner side of the middle of the injection molding runner, the upper end of the flow dividing block is provided with a plurality of raised parts and a plurality of flow dividing grooves, and the plurality of flow dividing grooves and the plurality of raised parts are distributed at intervals; the bottoms of the plurality of shunt grooves are all level with the bottom surface of the injection molding runner; the outside of the split flow block is sleeved with an injection molding pipe;
the top of the lower mold core is attached to the bottom of the upper mold core, a plurality of cavities are uniformly formed in the upper mold core, and the positions of the cavities correspond to the positions of the plurality of protruding molds respectively; and the middle round hole of the upper mold core is positioned corresponding to the position of the injection molding pipe.
As a further technical scheme of the utility model, the bottom of the lower die core is welded with a bottom pad, and the size of the bottom pad is smaller than that of the lower die core.
The two sides of the bottom backing plate are welded with connecting plates, the two connecting plates are rectangular, and the lengths of the two connecting plates are the same as the length of the lower mold core.
As a further technical scheme of the utility model, the tops of the two connecting plates are welded with side fixing blocks, and the two side fixing blocks are respectively attached to the two sides of the lower mold core.
As a further technical scheme of the utility model, an upper die is arranged above the upper die core, a round hole is arranged in the middle of the upper die, and the position of the round hole of the upper die corresponds to the position of the injection molding pipe.
As a further technical scheme of the utility model, limiting blocks for preventing the displacement of the lower mold core are arranged on two sides of the top of the lower mold core; the bottom die is arranged below the bottom backing plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the injection molding machine is used, the upper mold core and the lower mold core are in joint connection, at the moment, the injection molding pipe extends to the upper mold core through the round hole in the middle of the upper mold core, during injection molding, injection molding materials flow into the injection molding runner of the lower mold core through the injection molding pipe, at the moment, the injection molding materials can be split by the split block in the middle of the injection molding runner, the injection molding materials are uniformly split by the split blocks and flow into a plurality of branches of the injection molding runner respectively, the bottom surfaces of the split grooves are level with the bottom surfaces of the injection molding runners, the injection molding materials in the split grooves can smoothly enter the branches of the injection molding runner, and then flow into a cavity of a mold respectively through the branches of the injection molding runner to finish injection molding; the injection molding materials are split by the split blocks, so that the injection molding materials can uniformly flow into each cavity, and the capacities of the injection molding materials in each cavity are the same, thereby ensuring the quality of injection molded products and reducing the defective rate;
2. according to the utility model, the bottom backing plate, the side fixing blocks on two sides of the bottom backing plate and the connecting plate are matched to form a concave-shaped assembly, and the concave-shaped assembly wraps the lower mold core, so that the lower mold core is fixed, the lower mold core is prevented from being displaced and the like, and the butt joint and lamination stability of the upper mold core and the lower mold core is ensured;
3. according to the utility model, the injection molding opening arranged on the upper die is communicated with the injection molding pipe, and the injection molding material can flow into the injection molding pipe through the injection molding opening, so that the overflow of the injection molding material can be prevented;
4. according to the utility model, the two limiting blocks can prevent the lower mold core from shifting after being in butt joint with the upper mold core, and further ensure the stability of the butt joint of the lower mold core and the upper mold core.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a split view of fig. 1 in the present utility model.
Fig. 3 is a bottom view of fig. 2 in the present utility model.
Fig. 4 is a schematic view of a part of the structure of fig. 2 in the present utility model.
Fig. 5 is a schematic perspective view of the diverter block and injection molded tube of the present utility model.
In the figure: the mold comprises the following components of a 1-upper mold, a 2-upper mold core, a 3-lower mold core, a 4-side fixed block, a 5-connecting plate, a 6-bottom mold, a 7-injection molding opening, an 8-injection molding pipe, a 9-injection molding runner, a 10-bottom backing plate, an 11-limiting block, a 12-split block, a 13-split groove and a 14-bulge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, in an embodiment of the present utility model, a multi-cavity split-flow mold core for a mold includes a lower mold core 3, where a plurality of protruding molds are uniformly arranged on the lower mold core 3; the lower mold core 3 is provided with an injection molding runner 9, the injection molding runner 9 is respectively communicated with a plurality of raised molds, a flow dividing block 12 is arranged at the inner side of the middle of the injection molding runner 9, the upper end of the flow dividing block 12 is provided with a plurality of raised parts 14 and a plurality of flow dividing grooves 13, and the plurality of flow dividing grooves 13 and the plurality of raised parts 14 are distributed at intervals; the bottoms of the plurality of diversion grooves 13 are all level with the bottom surface of the injection molding runner 9; the outside of the split flow block 12 is sleeved with an injection molding pipe 8;
the top of the lower mold core 3 is attached to the bottom of the upper mold core 2, a plurality of cavities are uniformly formed in the upper mold core 2, and the positions of the cavities correspond to the positions of the plurality of protruding molds respectively; the middle round hole of the upper mold core 2 is positioned corresponding to the position of the injection molding pipe 8.
By adopting the technical scheme, when the injection molding machine is used, the upper mold core 2 and the lower mold core 3 are jointed and butted, at the moment, the injection molding pipe 8 extends to the upper mold core 2 through the round hole in the middle of the upper mold core 2, during injection molding, injection molding materials flow into the injection molding runner 9 of the lower mold core 3 through the injection molding pipe 8, at the moment, the injection molding materials can be split by the split block 12 in the middle of the injection molding runner 9, the injection molding materials uniformly split through the split grooves 13 of the split block 12 and flow into the branches of the injection molding runner 9 respectively, the bottom surfaces of the split grooves 13 are flush with the bottom surfaces of the injection molding runners 9, the injection molding materials in the split grooves 13 can smoothly enter the branches of the injection molding runner 9, and then flow into the cavity of the mold respectively through the branches of the injection molding runner 9 to finish injection molding; the injection molding materials are split by the split blocks 12, so that the injection molding materials can uniformly flow into each cavity, the capacities of the injection molding materials in each cavity are the same, the quality of injection molded products is ensured, and the defective rate is reduced.
In this embodiment, a bottom pad 10 is welded to the bottom of the lower mold core 3, and the size of the bottom pad 10 is smaller than that of the lower mold core 3;
the two sides of the bottom backing plate 10 are welded with connecting plates 5, the two connecting plates 5 are rectangular, and the lengths of the two connecting plates 5 are the same as the length of the lower mold core 3;
the top of the two connecting plates 5 are welded with side fixing blocks 4, and the two side fixing blocks 4 are respectively attached to two sides of the lower mold core 3.
Through adopting above-mentioned technical scheme, the side fixed block 4 and the connecting plate 5 cooperation of bottom backing plate 10 and bottom backing plate 10 both sides form a concave shape subassembly and with in the parcel of lower mold core 3, play the effect of fixed lower mold core 3, prevent that lower mold core 3 from taking place the condition such as displacement, ensure the stability of last mold core 2 and lower mold core 3 butt joint laminating.
In this embodiment, an upper mold 1 is disposed above the upper mold core 2, a circular hole is disposed in the middle of the upper mold 1, and the position of the circular hole of the upper mold 1 corresponds to the position of the injection molding tube 8.
Through adopting above-mentioned technical scheme, the mouth 7 of moulding plastics that sets up on the upper mould 1 communicates with the pipe 8 of moulding plastics, and the material of moulding plastics can flow into the pipe 8 of moulding plastics through the mouth 7 of moulding plastics, can prevent the material of moulding plastics emergence excessive condition.
In this embodiment, two sides of the top of the lower mold core 3 are provided with limiting blocks 11 for preventing the lower mold core 3 from being displaced; a bottom die 6 is arranged below the bottom backing plate 10.
Through adopting above-mentioned technical scheme, two stopper 11 can prevent that lower mold core 3 from taking place the skew with last mold core 2 butt joint after, further guarantees the stability of lower mold core 3 and last mold core 2 butt joint.
The working principle of the utility model is as follows: when the injection molding machine is used, the upper mold core 2 and the lower mold core 3 are in joint connection, at the moment, the injection molding pipe 8 extends to the upper mold core 2 through a round hole in the middle of the upper mold core 2, during injection molding, injection molding materials flow into the injection molding runner 9 of the lower mold core 3 through the injection molding pipe 8, at the moment, the injection molding materials can be split by the split blocks 12 in the middle of the injection molding runner 9, the injection molding materials are uniformly split through the split grooves 13 of the split blocks 12 and flow into a plurality of branches of the injection molding runner 9 respectively, the bottom surfaces of the split grooves 13 are flush with the bottom surfaces of the injection molding runners 9, the injection molding materials in the split grooves 13 can smoothly enter the branches of the injection molding runner 9, and then flow into cavities of a mold respectively through the branches of the injection molding runner 9 to finish injection molding; the injection molding materials are split by the split blocks 12, so that the injection molding materials can uniformly flow into each cavity, and the capacities of the injection molding materials in each cavity are the same, thereby ensuring the quality of injection molded products and reducing the defective rate;
as further optimization, the bottom base plate 10 and the side fixing blocks 4 and the connecting plates 5 at two sides of the bottom base plate 10 are matched to form a concave-shaped assembly, and the concave-shaped assembly wraps the lower mold core 3, so that the lower mold core 3 is fixed, the lower mold core 3 is prevented from being displaced, and the abutting and attaching stability of the upper mold core 2 and the lower mold core 3 is ensured;
an injection molding opening 7 arranged on the upper die 1 is communicated with the injection molding pipe 8, and injection molding materials can flow into the injection molding pipe 8 through the injection molding opening 7, so that the situation that the injection molding materials overflow can be prevented;
the two limiting blocks 11 can prevent the lower mold core 3 from being offset after being in butt joint with the upper mold core 2, and further ensure the stability of the butt joint of the lower mold core 3 and the upper mold core 2.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a multimode chamber reposition of redundant personnel mold core for mould which characterized in that: comprises a lower mold core (3), wherein a plurality of convex molds are uniformly arranged on the lower mold core (3); an injection molding runner (9) is arranged on the lower mold core (3), the injection molding runner (9) is respectively communicated with a plurality of bulge molds, a flow dividing block (12) is arranged at the middle inner side of the injection molding runner (9), a plurality of bulges (14) and a plurality of flow dividing grooves (13) are arranged at the upper end of the flow dividing block (12), and the flow dividing grooves (13) and the bulges (14) are distributed at intervals; the bottoms of the plurality of diversion grooves (13) are all level with the bottom surface of the injection molding runner (9); an injection molding pipe (8) is sleeved on the outer side of the split block (12);
the top of the lower mold core (3) is attached to the bottom of the upper mold core (2), a plurality of cavities are uniformly formed in the upper mold core (2), and the positions of the cavities correspond to the positions of the plurality of protruding molds respectively; the middle round hole of the upper mold core (2) corresponds to the injection molding pipe (8).
2. A multi-cavity split mold core for a mold according to claim 1, wherein: the bottom of the lower mold core (3) is welded with a bottom backing plate (10), and the size of the bottom backing plate (10) is smaller than that of the lower mold core (3).
3. A multi-cavity split mold core for a mold according to claim 2, wherein: the two sides of the bottom backing plate (10) are welded with connecting plates (5), the two connecting plates (5) are rectangular, and the lengths of the two connecting plates (5) are the same as the length of the lower mold core (3).
4. A multi-cavity split mold core for a mold according to claim 3, wherein: the top of the two connecting plates (5) is welded with side fixing blocks (4), and the two side fixing blocks (4) are respectively attached to the two sides of the lower mold core (3).
5. The multi-cavity split mold core for a mold according to claim 4, wherein: the upper die core (2) is provided with an upper die (1), an injection molding opening (7) is arranged in the middle of the upper die (1), and the position of the injection molding opening (7) corresponds to the position of an injection molding pipe (8).
6. The multi-cavity split mold core for a mold according to claim 5, wherein: limiting blocks (11) for preventing the lower mold core (3) from being displaced are arranged on two sides of the top of the lower mold core (3); a bottom die (6) is arranged below the bottom backing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363262.1U CN220700279U (en) | 2023-09-01 | 2023-09-01 | Multimode cavity split-flow mold core for mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363262.1U CN220700279U (en) | 2023-09-01 | 2023-09-01 | Multimode cavity split-flow mold core for mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220700279U true CN220700279U (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322363262.1U Active CN220700279U (en) | 2023-09-01 | 2023-09-01 | Multimode cavity split-flow mold core for mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220700279U (en) |
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2023
- 2023-09-01 CN CN202322363262.1U patent/CN220700279U/en active Active
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