CN220903991U - Mould benevolence assembly with runner geometric balance design - Google Patents
Mould benevolence assembly with runner geometric balance design Download PDFInfo
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- CN220903991U CN220903991U CN202322973593.7U CN202322973593U CN220903991U CN 220903991 U CN220903991 U CN 220903991U CN 202322973593 U CN202322973593 U CN 202322973593U CN 220903991 U CN220903991 U CN 220903991U
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- runner
- transition
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- mold
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- 230000007704 transition Effects 0.000 claims abstract description 64
- 239000003292 glue Substances 0.000 claims abstract description 32
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 19
- 210000001503 joint Anatomy 0.000 claims description 15
- 238000005538 encapsulation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 15
- 239000002699 waste material Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of dies, in particular to a die core assembly with a geometric balance design of flow channels, which comprises an upper die core and a lower die core, wherein a plurality of tubular die cavities for forming products are formed between the upper die core and the lower die core, and the upper die core and the lower die core are also formed with the flow channels extending to be connected with the die cavities; the runner comprises a glue inlet arranged at the upper end of the upper die core, at least one first runner manifold extending to the lower end of the upper die core along the glue inlet, a first transition runner manifold arranged on the lower die core and butted with the first runner manifold, a second runner manifold arranged at the lower end of the upper die core and butted with the first transition runner manifold, two second transition runner manifolds arranged on the lower die core and butted with two ends of the second runner manifold respectively, a third runner manifold arranged on the lower die core and butted with the second transition runner manifold, and two water gap runner manifolds arranged between the upper die core and the lower die core and butted with two ends of the third runner manifold, so that the molding quality of a finished product is improved.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die core assembly with a geometric balance design of a runner.
Background
Injection molding is also called injection molding, which is a molding method of injection and molding, and has the advantages of high production speed and high efficiency, so that the injection molding is widely applied to production; the mold is arranged and mainly comprises a movable mold plate, a fixed mold plate, a mold core, an ejection mechanism and a glue feeding system, wherein the mold core is mainly used for arranging a mold cavity structure of a molded product, the mold core is butted between the movable mold plate and the fixed mold plate, the glue feeding system is generally arranged on the movable mold plate and is butted with a mold cavity in the mold core and is used for injecting a mold material of the molded product into the mold cavity, and the ejection mechanism is arranged on the lower mold plate and is butted with the mold core and is used for ejecting the molded product from the mold;
When the glue feeding system is in butt joint with the die cavity, a runner is generally arranged on the die core so as to enable the die material to enter the die cavity more stably, or a multi-die cavity structure is arranged in the die core, and the runner can enable the die material to flow into a plurality of die cavities at the same time, so that the production efficiency of the die is improved;
The runner is a nozzle at a position where the runner is in butt joint with the mold cavity, generally one mold cavity is provided with a nozzle structure, and in injection molding of a tubular material or a rubber roller material, the arrangement of a single nozzle often causes unbalance of the feeding of the rubber, so that an improved technical scheme is necessary to solve the problem.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
A mould core assembly with a geometric balance design of a runner comprises an upper mould core and a lower mould core, wherein a plurality of tubular mould cavities for forming products are formed between the upper mould core and the lower mould core, and the upper mould core and the lower mould core are also formed with the runner which extends to be connected with the mould cavities; the runner comprises a glue inlet arranged at the upper end of the upper die core, at least one first runner manifold extending to the lower end of the upper die core along the glue inlet, a first transition runner manifold arranged on the lower die core and butted with the first runner manifold, a second runner manifold arranged at the lower end of the upper die core and butted with the first transition runner manifold, two second transition runners arranged on the lower die core and respectively butted with two ends of the second runner manifold, a third runner manifold arranged on the lower die core and butted with the second transition runner manifold, and two runner manifolds arranged between the upper die core and the lower die core and butted with two ends of the third runner manifold, wherein the two runner manifolds are respectively butted with the ends of the tubular die cavity.
Preferably, a slide mechanism which is in butt joint with the tubular mold cavity is further arranged between the upper mold core and the lower mold core, the slide mechanism is provided with an encapsulation rod piece which axially stretches into the tubular mold cavity, and a fixing groove which is used for butt joint with the end part of the encapsulation rod piece is further arranged between the upper mold core and the lower mold core and is positioned at a position between the two water gap runners.
Preferably, the upper mold core and the lower mold core are respectively provided with a runner plate positioned in the middle, mold cavity plates butted outside two sides of the runner plates, and two row position plates butted outside the two mold cavity plates, the tubular mold cavity and the row position mechanisms are respectively provided with two groups, the two groups of tubular mold cavities are currently arranged in the mold cavity plates, the two groups of row position mechanisms are butted at positions outside the two row position plates, the middle part of the second transition runner is butted with the second branch runner, and the two ends of the second transition runner are respectively butted with the third branch runners so as to respectively act on the tubular mold cavities of the two mold cavity plates.
Preferably, the upper die core is embedded with a glue feeding block, the glue feeding port is arranged on the glue feeding block, the upper section of the first split runner is arranged in the glue feeding block, and the first split runner is in butt joint with the glue feeding port through the upper section of the first split runner.
Preferably, a mosaic block is arranged at the lower end of the upper die core, the lower section of the first sub-runner is arranged in the mosaic block, and the second sub-runner is arranged at the lower end of the mosaic block.
Preferably, the second sub-runner is provided with an annular groove and connecting grooves butted at the left end and the right end of the annular groove, the middle part of the first transition runner is butted with the first sub-runner, the two ends of the first transition runner are respectively butted with the front end and the rear end of the annular groove, and the connecting grooves are butted with the second transition runner.
Preferably, the runner is provided with an upper half section arranged on the upper die core and a lower half section arranged on the lower die core, and the runner is in gradually shrinking structure with one end of the tubular die cavity in butt joint.
Preferably, the lower die core is provided with a first ejection through hole and a second ejection through hole penetrating through the lower end of the lower die core, the first ejection through hole is in butt joint with the middle part of the first transition runner, and the second ejection through hole is in butt joint with the position between the second transition runner and the third split runner.
Preferably, a transition taper hole is further formed in the upper end of the first ejection through hole, and the diameter of an opening at the upper end of the transition taper hole is smaller than that of an opening at the lower end of the transition taper hole.
Preferably, a slide mechanism which is in butt joint with the tubular mold cavity is further arranged between the upper mold core and the lower mold core, the slide mechanism is provided with an encapsulation rod piece which axially stretches into the tubular mold cavity, and a fixing groove which is used for butt joint with the end part of the encapsulation rod piece is further arranged between the upper mold core and the lower mold core and is positioned at a position between the two water gap runners.
Preferably, an expanding part is arranged at the middle part of the third sub-runner, and the expanding part is connected with the fixing groove.
Compared with the prior art, the utility model has the beneficial effects that:
Through improving the runner, the runner is provided with a first sub-runner, a first transition runner, a second sub-runner, a second transition runner, a third sub-runner and a water gap runner, wherein the first sub-runner is used for dividing the mold materials entering from the glue inlet into multiple paths, taking two paths as an example, the two paths of mold materials are transited through the first transition runner so as to reduce the guiding impact force, then the mold materials are divided into two paths along the second sub-runner to enter into the second transition runner, and finally the mold materials are divided into two paths of water gap runner along the third sub-runner, and then the mold materials enter into the tubular mold cavity along the two paths of water gap runners at the same time; through this setting, will make this mould benevolence assembly set up four tubulose die cavities simultaneously to can make the runner reach the geometric balance, make every tubulose die cavity butt joint two way mouth of a river runners again, make the mould material can be by the inside of evenly entering the tubulose die cavity, improved the shaping quality of finished product.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model taken along two first flow paths;
FIG. 3 is a schematic cross-sectional view of a third flow path according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a first transition flow path according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a second flow path according to the present utility model;
fig. 6 is a schematic diagram of the structure of fig. 5 a according to the present utility model.
Reference numerals and names in the drawings are as follows:
The upper die core 10, the glue inlet block 11, the mosaic block 12, the lower die core 20, the first ejection through hole 21, the second ejection through hole 22, the transition taper hole 23, the tubular die cavity 30, the runner 40, the glue inlet 41, the first runner 42, the first transition runner 43, the second runner 44, the annular groove 441, the connecting groove 442, the second transition runner 45, the third runner 46, the expansion part 461, the water gap runner 47, the runner plate 51, the die cavity plate 52, the row position plate 53, the row position mechanism 60, the glue coating rod 61 and the fixing groove 62.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments 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. 1-6, in an embodiment of the present utility model, a mold assembly with a geometric balance of flow channels includes an upper mold core 10 and a lower mold core 20, a plurality of tubular mold cavities 30 for molding products are formed between the upper mold core 10 and the lower mold core 20, and flow channels 40 extending to the mold cavities are further formed on the upper mold core 10 and the lower mold core 20; the runner 40 includes a glue inlet 41 disposed at an upper end of the upper mold core 10, at least one first runner 42 extending along the glue inlet 41 to a lower end of the upper mold core 10, a first transition runner 43 disposed on the lower mold core 20 and abutting against the first runner 42, a second runner 44 disposed at a lower end of the upper mold core 10 and abutting against the first transition runner 43, two second transition runners 45 disposed on the lower mold core 20 and abutting against both ends of the second runner 44, a third runner 46 disposed on the lower mold core 20 and abutting against the second transition runner 45, and two runner 47 disposed between the upper mold core 10 and the lower mold core 20 and abutting against both ends of the third runner 46, the two runners 47 abutting against the ends of the tubular mold cavity 30, respectively.
The utility model improves the runner 40, and is provided with a runner 40 having a structure of a first sub-runner 42, a first transition runner 43, a second sub-runner 44, a second transition runner 45, a third sub-runner 46 and a water gap runner 47, wherein the first sub-runner 42 is used for dividing the mold material entering from the glue inlet 41 into multiple paths, taking two paths as an example, the first transition runner 43 is used for transiting the two paths of mold material so as to reduce the guiding impact force, then the second sub-runner 44 is divided into two paths to enter into the second transition runner, and finally the third sub-runner 46 is divided into two paths of water gap runners 47, and then the mold material enters into the tubular mold cavity 30 along the two paths of water gap runners 47; by means of the arrangement, the mold core assembly can be provided with four tubular mold cavities 30 at the same time, the flow channels 40 can reach geometric balance, each tubular mold cavity 30 is abutted with two water gap flow channels 47, mold materials can be uniformly introduced into the tubular mold cavities 30, and the molding quality of finished products is improved.
Referring to fig. 1, 4, 5 and 6, in the present embodiment, a row position mechanism 60 abutting against the tubular mold cavity 30 is further disposed between the upper mold core 10 and the lower mold core 20, the row position mechanism 60 is provided with an encapsulation rod 61 axially extending into the tubular mold cavity 30, and a fixing groove 62 for abutting against an end portion of the encapsulation rod 61 is further disposed between the upper mold core 10 and the lower mold core 20, and the fixing groove 62 is located at a position between the two gate runners 47, so that the finished product is in a tubular structure after molding; in addition, the expansion part 461 is arranged at the middle part of the third sprue 46, and the expansion part 461 is connected with the fixing groove 62, so that the compactness of the internal structure is greatly improved, the grasping force between the waste material and the upper die core 10 can be reduced to a certain extent, and the waste material and the finished product after die opening are ensured to be remained on the lower die core 20.
Referring to fig. 1, 4, 5 and 6, in the present embodiment, in order to improve the geometric balance of the runner 40 and to improve the flexibility of the mold assembly; the upper die core 10 and the lower die core 20 are respectively provided with a runner plate 51 positioned in the middle, die cavity plates 52 butted outside two sides of the runner plate 51 and two row position plates 53 butted outside the two die cavity plates 52, the tubular die cavity 30 and the row position mechanisms 60 are respectively provided with two groups, two groups of tubes are currently arranged in the die cavity plates 52, the two groups of row position mechanisms 60 are butted at positions outside the two row position plates 53, the middle part of the second transition runner 45 is butted with the second split runner 44, and the two ends of the second transition runner 45 are respectively butted with the third split runner 46 so as to respectively act on the tubular die cavities 30 of the two die cavity plates 52; the upper die core 10 and the lower die core 20 are arranged in a multi-module manner, so that a single runner plate 51, a single die cavity plate 52 and a single row position plate 53 can be replaced, and the overall flexibility of the die core assembly can be improved; by arranging the cavity plate 52, the row position plate 53 and the row position mechanism 60 into two groups and utilizing the structural arrangement of the second transition runner 45, the second transition runner 45 can be used as a split runner to play a role in split, so that the number of the tubular cavities 30 is increased, and the geometric balance degree of the whole runner 40 is further improved.
Referring to fig. 1, 2, 4, 5 and 6, in the embodiment, a glue inlet 11 is inlaid on an upper mold core 10, a glue inlet 41 is disposed on the glue inlet 11, an upper section of a first runner 42 is disposed in the glue inlet 11, and the first runner 42 is in butt joint with the glue inlet 41 through its upper section, so as to improve the flexibility of the structural arrangement of the glue inlet 41; the lower end of the upper die core 10 is provided with the mosaic block 12, the lower section of the first sub-runner 42 is arranged in the mosaic block 12, and the second sub-runner 44 is arranged at the lower end of the mosaic block 12, so that the overall flexibility of the die core assembly is further improved.
Referring to fig. 6, in order to make the second sub-flow channel 44 have a buffer transition function, the second sub-flow channel 44 is provided with an annular groove 441 and connecting grooves 442 abutted against the left and right ends of the annular groove 441, the middle portion of the first transition flow channel 43 is abutted against the first sub-flow channel 42, and the two ends of the first transition flow channel 43 are respectively abutted against the front and rear ends of the annular groove 441, and the connecting grooves 442 are abutted against the second transition flow channel 45.
Referring to fig. 3 and 5, in the present embodiment, the gate runner 47 has an upper half section disposed on the upper mold core 10 and a lower half section disposed on the lower mold core 20, and the gate runner 47 is in a gradually shrinking structure against one end of the tubular mold cavity 30, so that the waste material in the gate runner 40 can be removed after mold opening.
Referring to fig. 2-4, in the present embodiment, a first ejection through hole 21 and a second ejection through hole 22 penetrating through the lower end of the lower mold core 20 are provided on the lower mold core 20, the first ejection through hole 21 is abutted against the middle portion of the first transition runner 43, the second ejection through hole 22 is abutted against the position between the second transition runner 45 and the third sub-runner 46, and the ejection through holes are used for abutting against an ejection mechanism, so that the molded runner 40 can be ejected by ejector pins provided in the first ejection through hole 21 and the second ejection through hole 22, and meanwhile, the finished product is driven to be ejected.
Referring to fig. 2 and 4, in the embodiment, a transition taper hole 23 is further provided at the upper end of the first ejection through hole 21, the diameter of the opening at the upper end of the transition taper hole 23 is smaller than that of the opening at the lower end of the transition taper hole 23, and the provision of the transition taper hole 23 can buffer the molding material entering the runner 40, and can improve the grasping force of the waste material of the runner 40 on the lower mold core 20, so that the waste material in the first split runner 42 and the first transition runner 43 can be separated after mold opening.
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.
Claims (10)
1. The die core assembly with the geometric balance design of the runner is characterized by comprising an upper die core and a lower die core, wherein a plurality of tubular die cavities for molding products are formed between the upper die core and the lower die core, and the upper die core and the lower die core are also molded with the runner which extends to be connected with the die cavities; the runner comprises a glue inlet arranged at the upper end of the upper die core, at least one first runner manifold extending to the lower end of the upper die core along the glue inlet, a first transition runner manifold arranged on the lower die core and butted with the first runner manifold, a second runner manifold arranged at the lower end of the upper die core and butted with the first transition runner manifold, two second transition runners arranged on the lower die core and respectively butted with two ends of the second runner manifold, a third runner manifold arranged on the lower die core and butted with the second transition runner manifold, and two runner manifolds arranged between the upper die core and the lower die core and butted with two ends of the third runner manifold, wherein the two runner manifolds are respectively butted with the ends of the tubular die cavity.
2. The mold core assembly with the geometric balance design of the runner according to claim 1, wherein a row position mechanism which is in butt joint with the tubular mold cavity is further arranged between the upper mold core and the lower mold core, the row position mechanism is provided with an encapsulation rod which axially stretches into the tubular mold cavity, a fixing groove which is used for butt joint with the end part of the encapsulation rod is further arranged between the upper mold core and the lower mold core, and the fixing groove is positioned at a position between the two runner runners.
3. The mold insert assembly of claim 2 wherein the upper mold insert and the lower mold insert each have a runner plate positioned in the middle, a cavity plate positioned opposite sides of the runner plate, and two row position plates positioned opposite sides of the two cavity plates, the tubular cavity and row position mechanisms each having two sets of tubes currently disposed in the cavity plate, the two sets of row position mechanisms positioned opposite sides of the two row position plates, the middle of the second transition runner being positioned opposite sides of the second transition runner, the ends of the second transition runner being positioned opposite sides of the third transition runner for application to the tubular cavities of the two cavity plates, respectively.
4. A mold core assembly with a geometric balance design of a runner according to claim 3, wherein a glue inlet is formed in the upper mold core in a inlaid manner, the glue inlet is formed in the glue inlet, the upper section of the first runner is formed in the glue inlet, and the first runner is in butt joint with the glue inlet through the upper section of the first runner.
5. The mold core assembly with a geometric balance design of flow channels according to claim 4, wherein a mosaic block is arranged at the lower end of the upper mold core, the lower section of the first sub-flow channel is arranged in the mosaic block, and the second sub-flow channel is arranged at the lower end of the mosaic block.
6. A mold insert assembly having a geometric balance design of flow channels according to claim 3, wherein the second split flow channel has an annular groove and connecting grooves butted at left and right ends of the annular groove, a middle portion of the first transition flow channel is butted with the first split flow channel, both ends of the first transition flow channel are butted with front and rear ends of the annular groove, respectively, and the connecting grooves are butted with the second transition flow channel.
7. A mold core assembly having a geometric balance design of a runner as defined in claim 3, wherein the runner has an upper half section provided on the upper mold core and a lower half section provided on the lower mold core, and the runner is in a gradually shrinking structure abutting against one end of the tubular mold cavity.
8. A mold insert assembly having a flow path geometry balancing design as recited in claim 3, wherein the lower mold insert is provided with a first ejection through hole and a second ejection through hole extending through a lower end thereof, the first ejection through hole being in abutment with a central portion of the first transition flow path, the second ejection through hole being in abutment with a location between the second transition flow path and the third flow path.
9. The mold insert assembly of claim 8, wherein a transition taper is further provided at the upper end of the first ejection through hole, the transition taper having an upper opening having a smaller diameter than the lower opening.
10. A mold assembly according to claim 3, wherein an expansion part is provided at a central position of the third runner, and the expansion part is connected to the fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322973593.7U CN220903991U (en) | 2023-11-03 | 2023-11-03 | Mould benevolence assembly with runner geometric balance design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322973593.7U CN220903991U (en) | 2023-11-03 | 2023-11-03 | Mould benevolence assembly with runner geometric balance design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220903991U true CN220903991U (en) | 2024-05-07 |
Family
ID=90903372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322973593.7U Active CN220903991U (en) | 2023-11-03 | 2023-11-03 | Mould benevolence assembly with runner geometric balance design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220903991U (en) |
-
2023
- 2023-11-03 CN CN202322973593.7U patent/CN220903991U/en active Active
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