CN111468699A - Filter die-casting forming die runner structure - Google Patents
Filter die-casting forming die runner structure Download PDFInfo
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- CN111468699A CN111468699A CN202010319273.8A CN202010319273A CN111468699A CN 111468699 A CN111468699 A CN 111468699A CN 202010319273 A CN202010319273 A CN 202010319273A CN 111468699 A CN111468699 A CN 111468699A
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- runner
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- flow channel
- channel
- main cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2272—Sprue channels
Abstract
A flow channel structure of a filter die-casting forming die comprises a main flow channel, and a first sub-flow channel, a second sub-flow channel, a third sub-flow channel, a fourth sub-flow channel and a fifth sub-flow channel which are communicated with the main flow channel; the main cavity is rectangular when viewed from top, the first branched runner, the second branched runner, the third branched runner, the fourth branched runner and the fifth branched runner are arranged at the front end of the main cavity, a plurality of slag ladles are respectively arranged at the rear end, the left end and the right end of the main cavity at intervals, and the slag ladles are communicated with an air exhaust channel; the fourth runner is located the right side of first runner, the fifth runner is located the below of fourth runner. The invention aims to provide a filter die-casting forming die flow channel structure, which is provided with a die flow channel structure capable of avoiding air holes and bubbles.
Description
Technical Field
The invention relates to a die-casting die, in particular to a flow channel structure of a die-casting forming die for a filter.
Background
The 5G wave filter is higher to radiating requirement, and the shell structure of wave filter is very complicated, and the wave filter casing adopts the mode of die-casting to make, and this kind of mode of making is having very high requirement to the design of runner, and different shell structure need develop different runner structures, and the effect that different runner structures produced also respectively distinguishes, needs develop one kind according to the shell of 5G wave filter and avoids producing the mould runner structure of gas pocket and tympanic bulla.
Disclosure of Invention
In view of the above drawbacks, the present invention provides a die-casting mold flow channel structure for a filter, which has a mold flow channel structure that avoids generating air holes and bubbles.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flow channel structure of a filter die-casting forming die comprises a main flow channel, and a first sub-flow channel, a second sub-flow channel, a third sub-flow channel, a fourth sub-flow channel and a fifth sub-flow channel which are communicated with the main flow channel;
the main cavity is rectangular when viewed from above, the first branched runner, the second branched runner, the third branched runner, the fourth branched runner and the fifth branched runner are arranged at the front end of the main cavity, a plurality of slag ladles are respectively arranged at the rear end, the left end and the right end of the main cavity at intervals, and the slag ladles are communicated with an air exhaust channel;
the first sub-runner is positioned in the middle of the main cavity, the first sub-runner occupies eighty-fifth of the width of the end face of the main cavity, and the left side of the first sub-runner is sequentially provided with a second sub-runner occupying one-fifteenth of the width of the end face of the main cavity and a third sub-runner occupying four-fifteenth of the width of the end face of the main cavity;
the fourth runner is located the right side of first runner, the fifth runner is located the below of fourth runner, fourth runner and fifth runner all account for two fifteen times of main die cavity terminal surface width.
Preferably, the first diversion channel is a largest feeding channel, the first diversion channel is in a horn shape which is gradually opened from front to back in a top view shape, and the cross section shape of the side surface of the first diversion channel is in a gradually contracted shape from front to back;
a left slag ladle assembly and a right slag ladle assembly are arranged at the rear part of the main cavity and correspond to the first branched runner, two layers of slag ladle units are arranged on the left slag ladle assembly and the right slag ladle assembly in a stacking mode, and a plurality of slag ladle units are arranged on each layer at intervals;
the slag ladle units of the left slag ladle assembly are communicated with each other through a left side air exhaust channel, and the slag ladle units of the right slag ladle assembly are communicated with each other through a right side air exhaust channel.
Furthermore, the third shunting passage is positioned on the left side of the front part of the main cavity, the overlooking shape of the third shunting passage is in a horn shape which is gradually opened from front to back, and the cross section shape of the side surface of the third shunting passage is gradually contracted from front to back;
the second sub-runner is positioned between the first sub-runner and the third sub-runner, and the cross section of the side surface of the second sub-runner is gradually contracted from front to back;
a plurality of slag ladle units are arranged on the left side of the main cavity, and the slag ladle units arranged on the left side of the main cavity are communicated with the left air exhaust channel.
Preferably, the fourth runner and the fifth runner are positioned on the right side of the main cavity, the fifth runner is positioned below the fourth runner, and the cross-sectional shapes of the side surfaces of the fourth runner and the fifth runner are gradually contracted from front to back;
the right side of the main cavity is provided with a plurality of slag ladle units, and the slag ladle units arranged on the right side of the main cavity are communicated with the right side air exhaust channel.
Furthermore, a first communicating flow passage between the first sub flow passage and the third sub flow passage is of a Venturi structure, and an inlet of the second sub flow passage is communicated with a thin pipe part of the first communicating flow passage.
Preferably, the second communicating flow passage between the first branch flow passage and the fifth branch flow passage is a smooth transition flow passage which gradually shrinks from the inlet to the tail.
Furthermore, the ejection positions of the first sub-runner, the second sub-runner, the third sub-runner, the fourth sub-runner and the fifth sub-runner are all provided with straight sections.
Furthermore, the first sub-runner, the second sub-runner, the third sub-runner, the fourth sub-runner and the fifth sub-runner are all in smooth transition shapes;
the first communicating flow passage and the second communicating flow passage are in smooth transition.
The invention has the beneficial effects that: the first minute runner of this scheme is main feeding runner, the packing volume is the biggest, left replenishment has used second minute runner and third minute runner, the replenishment on right side has used fourth minute runner and fifth minute runner, the mode that surrounds is taken at other positions in main die cavity sets up the cinder ladle, when filling, the cinder ladle can be bled and is filled in the cooperation, just so can guarantee air and cold burden can be abundant and the omnidirectional is guided earlier to the cinder ladle, and fluidic speed when guaranteeing die-casting. When the first branch runner is used for filling, materials are injected behind the die and impact the inner wall of the die, so that the main cavity can generate striae backwards, and the quality of the main cavity is ensured by arranging enough slag ladles at the impact part of the jet flow to correctly guide the jet flow and absorb redundant jet flow, wherein a plurality of air exhaust channels are arranged to ensure that the extracted pressure is as uniform as possible; the overlooking shape of the first shunting passage is a horn shape which is gradually opened from front to back, the cross section shape of the side surface of the first shunting passage is a shape which is gradually contracted from front to back, and the structure is used for ensuring that the material has enough filling speed and ensuring the filling effect.
Drawings
Fig. 1 is a schematic view of the overall structure of one embodiment of the present invention.
Wherein: the main runner A, the main cavity B, the left side pumping channel C, the right side pumping channel D, the first sub-runner 100, the second sub-runner 200, the third sub-runner 300, the fourth sub-runner 400, the fifth sub-runner 500, the left slag ladle assembly 600 and the right slag ladle assembly 700.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, a flow channel structure of a filter die-casting mold comprises a main flow channel a, and a first sub-flow channel 100, a second sub-flow channel 200, a third sub-flow channel 300, a fourth sub-flow channel 400 and a fifth sub-flow channel 500 which are communicated with the main flow channel a;
the main cavity B is rectangular in plan view, the first branched runner 100, the second branched runner 200, the third branched runner 300, the fourth branched runner 400 and the fifth branched runner 500 are arranged at the front end of the main cavity B, a plurality of slag ladles are respectively arranged at the rear end, the left end and the right end of the main cavity B at intervals, and the slag ladles are communicated with an air exhaust channel;
the first runner 100 is positioned in the middle of the main cavity B, the first runner 100 occupies eighty-fifth of the width of the end face of the main cavity B, and the left side of the first runner 100 is sequentially provided with a second runner 200 occupying one-fifteenth of the width of the end face of the main cavity B and a third runner 300 occupying four-fifteenth of the width of the end face of the main cavity B;
the fourth runner 400 is located the right side of the first runner 100, the fifth runner 500 is located below the fourth runner 400, and the fourth runner 400 and the fifth runner 500 both occupy two fifteen times the width of the end face of the main cavity B.
The first minute runner 100 of this scheme is main feeding runner, the packing volume is the biggest, left replenishment has used second minute runner 200 and third minute runner 300, fourth minute runner 400 and fifth minute runner 500 have been used in the replenishment on right side, the mode that surrounds is taken at other positions in main die cavity sets up the cinder ladle, when filling, the cinder ladle can be bled and is filled in the cooperation, just so can guarantee that air and cold burden can be abundant and the omnidirectional is guided earlier to the cinder ladle, and fluidic speed when guaranteeing die-casting.
The first flow dividing channel 100 is a largest feeding channel, the first flow dividing channel 100 is in a horn shape which is gradually opened from front to back in a top view shape, and the cross section of the side surface of the first flow dividing channel 100 is in a shape which is gradually contracted from front to back;
a left slag ladle assembly 600 and a right slag ladle assembly 700 are arranged at the rear part of the main cavity B corresponding to the first branched runner 100, two layers of slag ladle units are arranged on the left slag ladle assembly 600 and the right slag ladle assembly 700 in a stacking mode, and a plurality of slag ladle units are arranged on each layer at intervals;
the cinder ladle units of the left cinder ladle assembly 600 are communicated with each other through a left side air exhaust channel C, and the cinder ladle units of the right cinder ladle assembly 700 are communicated with each other through a right side air exhaust channel D.
When the first sub-runner 100 is used for filling, materials are injected behind the die and impact the inner wall of the die, so that the casting can generate striae backwards, and the quality of the casting is ensured by arranging enough slag ladles at the impact part of the jet flow to correctly guide the jet flow and absorb the redundant jet flow, wherein a plurality of air exhaust channels are arranged to ensure that the extracted pressure is as uniform as possible; the first shunt passage 100 is in a horn shape which is gradually opened from front to back in a top view shape, and the cross section shape of the side surface of the first shunt passage 100 is in a shape which is gradually contracted from front to back, so that the structure is used for ensuring the sufficient filling speed of materials and ensuring the filling effect.
The third runner 300 is positioned on the left side of the front part of the main cavity B, the top view of the third runner 300 is in a trumpet shape which is gradually opened from front to back, and the cross section of the side surface of the third runner 300 is gradually contracted from front to back;
the second sub runner 200 is positioned between the first sub runner 100 and the third sub runner 300, and the cross-sectional shape of the side surface of the second sub runner 200 is gradually contracted from front to back;
a plurality of slag ladle units are arranged on the left side of the main cavity B, and the slag ladle units arranged on the left side of the main cavity B are communicated with the left air exhaust channel C.
The scheme has the advantages that the second sub-runner 200 and the third sub-runner 300 are arranged on the side face and used for supplementing the side face, the left supplementary filling material is provided, relatively small flow is used for filling, the filling effect is guaranteed, and more slag ladles are arranged on the side face to guide jet flow and absorb redundant jet flow.
In addition, the fourth runner 400 and the fifth runner 500 are positioned at the right side of the main cavity B, the fifth runner 500 is positioned below the fourth runner 400, and the cross-sectional shapes of the side surfaces of the fourth runner 400 and the fifth runner 500 are gradually contracted from front to back;
the right side of the main cavity B is provided with a plurality of slag ladle units, and the slag ladle units arranged on the right side of the main cavity B are communicated with the right air exhaust channel D.
This scheme has set up fourth minute runner 400 and fifth minute runner 500 in the side as the replenishment of side, provides the supplementary packing material on right side, uses relatively less flow to fill, guarantees to fill the effect, and the side has also set up more cinder ladle guide efflux and has absorbed unnecessary efflux, and the right side structure is more complicated, and the bottom needs more packing material, so fourth minute runner 400 and fifth minute runner 500 set up to become upper and lower structure.
In addition, the first communicating channel between the first sub-channel 100 and the third sub-channel 300 is a venturi structure, and the inlet of the second sub-channel 200 is communicated with the narrow tube portion of the first communicating channel.
The venturi structure can also relatively improve the flow velocity while guaranteeing the flow velocity, reduces delay and asynchronous rate on the distance, makes the filling material inject to the die cavity simultaneously as far as, can improve injection efficiency, meets cold simultaneously, and synchronous cooling, synchronous rate can improve the quality of product.
The second communicating flow channel between the first sub-flow channel 100 and the fifth sub-flow channel 500 is a smoothly-transiting flow channel gradually contracting from the inlet to the tail.
Smooth and more beneficial to the flow of materials.
In addition, the injection positions of the first flow dividing channel 100, the second flow dividing channel 200, the third flow dividing channel 300, the fourth flow dividing channel 400 and the fifth flow dividing channel 500 are all provided with straight sections.
The straight section is beneficial to the higher injection speed of the aluminum liquid, and the higher the speed is, the better the filling effect is.
In addition, the first flow dividing channel 100, the second flow dividing channel 200, the third flow dividing channel 300, the fourth flow dividing channel 400 and the fifth flow dividing channel 500 are all in a smooth transition shape;
the first communicating flow passage and the second communicating flow passage are in smooth transition.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A flow channel structure of a filter die-casting forming die is characterized by comprising a main flow channel, and a first sub-flow channel, a second sub-flow channel, a third sub-flow channel, a fourth sub-flow channel and a fifth sub-flow channel which are communicated with the main flow channel;
the main cavity is rectangular when viewed from above, the first branched runner, the second branched runner, the third branched runner, the fourth branched runner and the fifth branched runner are arranged at the front end of the main cavity, a plurality of slag ladles are respectively arranged at the rear end, the left end and the right end of the main cavity at intervals, and the slag ladles are communicated with an air exhaust channel;
the first sub-runner is positioned in the middle of the main cavity, the first sub-runner occupies eighty-fifth of the width of the end face of the main cavity, and the left side of the first sub-runner is sequentially provided with a second sub-runner occupying one-fifteenth of the width of the end face of the main cavity and a third sub-runner occupying four-fifteenth of the width of the end face of the main cavity;
the fourth runner is located the right side of first runner, the fifth runner is located the below of fourth runner, fourth runner and fifth runner all account for two fifteen times of main die cavity terminal surface width.
2. The filter die-casting mold runner structure according to claim 1, wherein the first sub-runner is a largest feed channel, a top view shape of the first sub-runner is a trumpet shape gradually opened from front to back, and a cross-sectional shape of a side surface of the first sub-runner is a shape gradually contracted from front to back;
a left slag ladle assembly and a right slag ladle assembly are arranged at the rear part of the main cavity and correspond to the first branched runner, two layers of slag ladle units are arranged on the left slag ladle assembly and the right slag ladle assembly in a stacking mode, and a plurality of slag ladle units are arranged on each layer at intervals;
the slag ladle units of the left slag ladle assembly are communicated with each other through a left side air exhaust channel, and the slag ladle units of the right slag ladle assembly are communicated with each other through a right side air exhaust channel.
3. The filter die-casting mold runner structure according to claim 2, wherein the third runner is located on the left side of the front part of the main cavity, the third runner is in a trumpet shape that is gradually opened from front to back in a top view shape, and the cross-sectional shape of the side surface of the third runner is gradually contracted from front to back;
the second sub-runner is positioned between the first sub-runner and the third sub-runner, and the cross section of the side surface of the second sub-runner is gradually contracted from front to back;
a plurality of slag ladle units are arranged on the left side of the main cavity, and the slag ladle units arranged on the left side of the main cavity are communicated with the left air exhaust channel.
4. The filter die-casting forming die runner structure according to claim 3, wherein the fourth runner and the fifth runner are located on the right side of the main cavity, the fifth runner is located below the fourth runner, and the cross-sectional shapes of the side surfaces of the fourth runner and the fifth runner are gradually contracted from front to back;
the right side of the main cavity is provided with a plurality of slag ladle units, and the slag ladle units arranged on the right side of the main cavity are communicated with the right side air exhaust channel.
5. The flow channel structure of filter die-casting mold according to claim 4, wherein the first communicating flow channel between the first branch flow channel and the third branch flow channel is a venturi structure, and the inlet of the second branch flow channel is connected to the thin tube part of the first communicating flow channel.
6. The flow channel structure of filter die-casting mold according to claim 5, wherein the second communicating flow channel between the first flow channel and the fifth flow channel is a smooth transition flow channel gradually contracting from the inlet to the tail.
7. The filter die-casting mold runner structure according to claim 6, wherein the injection positions of the first sub-runner, the second sub-runner, the third sub-runner, the fourth sub-runner and the fifth sub-runner are provided with straight sections.
8. The flow channel structure of the filter die-casting forming die of claim 7, wherein the first flow dividing channel, the second flow dividing channel, the third flow dividing channel, the fourth flow dividing channel and the fifth flow dividing channel are all in a smooth transition shape;
the first communicating flow passage and the second communicating flow passage are in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319273.8A CN111468699A (en) | 2020-04-21 | 2020-04-21 | Filter die-casting forming die runner structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010319273.8A CN111468699A (en) | 2020-04-21 | 2020-04-21 | Filter die-casting forming die runner structure |
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| CN111468699A true CN111468699A (en) | 2020-07-31 |
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| CN202010319273.8A Pending CN111468699A (en) | 2020-04-21 | 2020-04-21 | Filter die-casting forming die runner structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770324A (en) * | 2021-08-06 | 2021-12-10 | 金榀精密工业(苏州)有限公司 | Circumferential vacuum extraction type die-casting forming structure |
| CN113787180A (en) * | 2021-07-28 | 2021-12-14 | 金榀精密工业(苏州)有限公司 | Multidirectional inflow type door closer forming structure |
| CN113787178A (en) * | 2021-08-02 | 2021-12-14 | 金榀精密工业(苏州)有限公司 | Three-dimensional vacuum extraction die-casting forming structure |
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| CN113770324A (en) * | 2021-08-06 | 2021-12-10 | 金榀精密工业(苏州)有限公司 | Circumferential vacuum extraction type die-casting forming structure |
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Application publication date: 20200731 |