CN115958178B - A mold overflow exhaust structure - Google Patents
A mold overflow exhaust structure Download PDFInfo
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- CN115958178B CN115958178B CN202310041691.9A CN202310041691A CN115958178B CN 115958178 B CN115958178 B CN 115958178B CN 202310041691 A CN202310041691 A CN 202310041691A CN 115958178 B CN115958178 B CN 115958178B
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- exhaust
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- groove
- notch
- mould
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Classifications
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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
- B22D17/14—Machines with evacuated die 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
-
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明提供了一种模具溢料排气结构，属于模具技术领域。它解决了现有注塑模具产品质量低的问题。本模具包括上模和下模，上模和下模之间具有成型腔，溢料排气结构包括上模底面向上凹入设置的排气环槽、位于上模中的排气通道以及均设置在下模顶面且向下凹入设置的溢料槽、溢料凹口和排气凹口，溢料凹口和排气凹口分别位于溢料槽的两侧且溢料凹口和排气凹口错开设置，溢料槽通过溢料凹口与成型腔相连通，排气环槽位于排气凹口的上方，当上模和下模合模时排气凹口与排气环槽相连通，排气通道的底部与排气环槽相连通，顶部贯穿上模。本模具溢料排气结构具有提高产品质量的优点。
The present invention provides a mold overflow venting structure, which belongs to the field of mold technology. It solves the problem of low product quality of existing injection molds. The mold includes an upper mold and a lower mold, and a molding cavity is provided between the upper mold and the lower mold. The overflow venting structure includes an exhaust ring groove that is recessed upward on the bottom surface of the upper mold, an exhaust channel located in the upper mold, and an overflow groove, an overflow recess, and an exhaust recess that are all arranged on the top surface of the lower mold and recessed downward. The overflow recess and the exhaust recess are respectively located on both sides of the overflow groove, and the overflow recess and the exhaust recess are staggered. The overflow groove is connected to the molding cavity through the overflow recess, and the exhaust ring groove is located above the exhaust recess. When the upper mold and the lower mold are closed, the exhaust recess is connected to the exhaust ring groove, and the bottom of the exhaust channel is connected to the exhaust ring groove, and the top passes through the upper mold. The mold overflow venting structure has the advantage of improving product quality.
Description
Technical Field
The invention belongs to the technical field of dies, and relates to a die flash exhaust structure.
Background
The mold is a tool for manufacturing a molded product, and includes an injection mold and a die casting mold. The injection mold is to inject the heated and melted plastic into a molding cavity between the upper mold and the lower mold by high pressure of an injection molding machine, and obtain a molded product after cooling and solidifying. The die casting die is characterized in that molten metal is filled into a cavity of the die at a low speed or a high speed, the die is provided with a movable cavity surface, and the die is pressurized and forged along with the cooling process of the molten metal, so that not only is the shrinkage cavity and shrinkage porosity defect of a blank eliminated, but also the internal structure of the blank reaches the crushed grains in a forged state.
However, when the existing injection mold is used for molding a finished product, the problem that excessive injection exists in molten plastic, so that the product has the problems of bulge and burning, and the quality of the product is reduced.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a die flash exhaust structure which solves the technical problem of improving the product quality.
The invention can be realized through the following technical scheme that the die comprises an upper die and a lower die, a forming cavity is arranged between the upper die and the lower die, and the die is characterized in that the die comprises an exhaust ring groove, an exhaust channel, a overflow groove, a overflow notch and an exhaust notch, wherein the bottom surface of the upper die is concavely arranged upwards, the exhaust channel is arranged in the upper die, the overflow groove, the overflow notch and the exhaust notch are respectively arranged on the two sides of the overflow groove and are concavely arranged downwards, the overflow groove is communicated with the forming cavity through the overflow notch, the exhaust ring groove is arranged above the exhaust notch, the exhaust notch is communicated with the exhaust ring groove when the upper die and the lower die are clamped, the bottom of the exhaust channel is communicated with the exhaust ring groove, and the top of the exhaust channel penetrates through the upper die.
When the upper die and the lower die are clamped, raw materials are injected into the forming cavity, in the process, gas in the forming cavity is extruded through the flash notch, the overflow trough, the exhaust notch, the exhaust ring groove and the exhaust channel, so that the problems of air holes and the like in products are avoided, the product quality is improved, the flash notch is arranged on the top surface of the lower die and is recessed downwards, therefore, the flash notch is arranged below a gap between the upper die and the lower die along the vertical direction, when the raw materials are injected into the forming cavity to reach a certain amount, the excessive raw materials enter the flash trough through the flash notch, the excessive raw materials cannot permeate into the gap between the upper die and the lower die, the problems of slag inclusion, scorching and the like at the edge of the products are avoided, the excessive raw materials overflow into the overflow trough through the flash notch, the products in the forming cavity are free from the problem of uplift, and the product quality is improved. The overflow notch and the exhaust notch are respectively positioned at two sides of the overflow groove, and the overflow notch and the exhaust notch are staggered, so that gas in the molding cavity is discharged through the exhaust notch, raw materials in the molding cavity are not easy to enter the exhaust notch when overflowed from the overflow notch to the overflow groove, the exhaust notch is not blocked, the discharge of gas is ensured, the problems of air holes, bulges and the like are prevented, and the product quality is improved. The exhaust ring groove is positioned above the exhaust notch, hot gas rises, so that the gas can be better discharged, and even if the raw materials in the forming cavity overflow too much, the raw materials are positioned below the exhaust ring groove because of heavy raw materials, the discharge of the gas is not easy to be blocked, the product problems such as air holes and bulges are prevented, and the product quality is improved.
In the above-mentioned die flash exhaust structure, the flash tank is strip-shaped or arc-shaped, the flash notch is located in the middle of one side of the flash tank, and the exhaust notch is located at the end of one end of the flash tank. The structure ensures that gas in the molding cavity is discharged through the flash notch, the flash groove and the exhaust notch, raw materials overflowed from the flash notch are prevented from directly splashing into the exhaust notch, the exhaust notch is not blocked, the gas is ensured to be discharged, the product problems such as air holes and bulges are prevented, and the product quality is improved.
In the above-mentioned mould flash exhaust structure, the flash groove is the big structure of bottom little opening, the cell wall of flash groove is from upwards outwards setting to one side down. This kind of structure makes the raw materials can be better enter into the flash groove in, makes the storage raw materials that the flash groove can be better, and after waiting for the raw materials cooling, makes the product difficult fracture with flash notch department refrigerated raw materials, takes out conveniently, guarantees product quality.
In the above-mentioned mold flash venting structure, the depth of the venting recess is smaller than the depth of the flash recess, which is much smaller than the depth of the flash groove. The depth of the exhaust notch and the depth of the flash notch are shallower, the strength of the top surface of the lower die is not greatly reduced, the top surface of the lower die is not easy to damage when the upper die and the lower die are assembled, the depth of the exhaust notch is smaller than the depth of the flash notch, raw materials are not easy to enter the exhaust notch while exhausting is ensured, the depth of the flash groove can be ten times the depth of the flash notch, and more raw materials can be stored in the flash groove.
In the above-mentioned mold flash exhaust structure, the mold is provided with a pouring gate, the pouring gate is communicated with the molding cavity, the flash notch is far away from the pouring gate, and the flash notch and the pouring gate are oppositely arranged. The structure ensures that the gas in the forming cavity can be better discharged, and meanwhile, the raw material basically fills the forming cavity and overflows from the flash notch, thereby ensuring the product quality.
In the above-mentioned die flash exhaust structure, the exhaust passage is disposed along a vertical direction, and the exhaust passage penetrates through the top of the upper die or penetrates through the side of the upper die after the top of the exhaust passage turns.
In the above-mentioned mould flash exhaust structure, the lower mould top surface has a plurality of exhaust groove that the undercut set up, all exhaust groove encircles into the die cavity and is annular arrangement, and two adjacent exhaust groove interval sets up, exhaust annular is annular just exhaust annular is located exhaust groove's top, works as go up mould and lower mould compound die time, all exhaust groove all is linked together with exhaust annular, exhaust groove is linked together with the shaping chamber through the gap between last mould and the lower mould. The top of the exhaust channel is externally connected with a vacuum pump, the vacuum pump is used for vacuumizing the forming cavity through the exhaust channel and the exhaust ring groove, the exhaust groove is concavely arranged on the top surface of the lower die, the space volume of the exhaust groove is large enough relative to the gap between the upper die and the lower die, the arrangement of the exhaust groove is similar to the transfer space, the vacuum pump is used for vacuumizing the exhaust groove, gas in the forming cavity can enter the exhaust groove and be pumped away through the gap between the upper die and the lower die more quickly, the vacuumizing efficiency of the forming cavity is improved, meanwhile, raw material flow in the forming cavity can be accelerated, all the exhaust grooves are annularly arranged, so that the gas flows evenly, the raw material flow is stable, the processing quality and the processing efficiency of products are improved, and when the die is opened, the vacuum pump stops vacuumizing, the exhaust ring groove and the exhaust groove are filled with gas, so that the pressure between the upper die and the lower die is increased, the pressure difference between the inside and outside the die is basically the same, and the die opening is labor-saving.
In the above-mentioned mould flash exhaust structure, exhaust notch and exhaust recess all are rectangular form, exhaust notch and exhaust recess all set up with exhaust annular alternately, exhaust notch and exhaust recess's length all are greater than the width of exhaust annular. By the structure, the exhaust groove plays a role of a better exhaust and suction transfer station, so that the exhaust and inflation efficiency is improved, and the product processing efficiency is improved.
In the above-mentioned die flash exhaust structure, the depth of the exhaust groove is the same as the depth of the exhaust notch, and the depths of the exhaust groove and the exhaust notch are both between 0.2 mm and 0.4 mm. The exhaust groove plays a better role in exhausting and sucking a transfer station while the top strength of the lower die is not damaged, so that the efficiency of exhausting and inflating is improved, and the processing efficiency of products is improved.
In the above-mentioned mould flash exhaust structure, be equipped with the sealing ring between lower mould and the lower mould, the sealing ring includes the joint portion that the protrusion set up, have on the top surface of lower mould or on the bottom surface of last mould concave setting and be annular draw-in groove, joint portion embedding joint is in annular draw-in groove, works as when going up mould and lower mould compound die, exhaust annular groove, flash notch, exhaust notch and exhaust recess all are located the space that the annular draw-in groove encloses. The sealing ring plays a role in sealing, so that the gas in the die flows in a set direction, and the product quality is improved.
Compared with the prior art, the die flash exhaust structure provided by the invention has the following advantages:
1. the overflow exhaust structure prevents the problems of air holes, humps, slag inclusion, burning and the like of products through the cooperation of the overflow notch, the overflow groove, the exhaust notch, the exhaust ring groove and the exhaust channel, and improves the quality of the products.
2. When the die is opened, external gas enters the exhaust groove through the exhaust channel and the exhaust ring groove, so that the pressure intensity between the upper die and the lower die is increased, the pressure difference between the inside and the outside of the die is basically the same, and the die opening is labor-saving.
Drawings
Fig. 1 is a schematic diagram of the structure of the top surface of the lower die of the present die.
Fig. 2 is a schematic diagram of the structure of the overflow trough of the overflow exhaust structure of the die.
Fig. 3 is a schematic view of the structure of the bottom surface of the upper die of the present die.
Fig. 4 is a cross-sectional view of the present mold at the vent groove.
In the figure, 1, an upper die, 2, a lower die, 3, a forming cavity, 4, an exhaust ring groove, 5, an exhaust channel, 6, a material overflow groove, 7, a material overflow notch, 8, an exhaust notch, 9, a pouring opening, 10, an exhaust groove, 11, a sealing ring, 111, a clamping part, 12 and an annular clamping groove.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1,3 and 4, the mold comprises an upper mold 1 and a lower mold 2, a forming cavity 3 is arranged between the upper mold 1 and the lower mold 2, and the flash exhaust structure comprises an exhaust ring groove 4, an exhaust channel5, a flash groove 6, a flash notch 7, an exhaust notch 8 and an exhaust groove 10.
The bottom surface of the upper die 1 is concavely provided with an exhaust ring groove 4 upwards, the exhaust ring groove 4 is annular, an exhaust channel 5 is positioned in the upper die 1, the exhaust channel 5 is arranged along the vertical direction, the bottom of the exhaust channel 5 is communicated with the exhaust ring groove 4, in the embodiment, the top of the exhaust channel 5 penetrates through the top of the upper die 1 and simultaneously the top of the exhaust channel 5 penetrates through the side part of the upper die 1 after turning, and in actual production, the top of the exhaust channel 5 penetrates through the top of the upper die 1 or the side part of the upper die 1 after turning. The top of the exhaust passage 5 is used for externally connecting a vacuum pump.
The overflow chute 6, the overflow notch 7, the exhaust notch 8 and the exhaust notch 10 are all concavely arranged on the top surface of the lower die 2, in this embodiment, the number of the overflow chute 6, the overflow notch 7 and the exhaust notch 8 is two, the number of the exhaust notch 10 is twenty-one, twenty-one exhaust notches 10 are annularly arranged around the cavity 3, two adjacent exhaust notches 10 are arranged at intervals, in actual production, the number of the overflow chute 6, the overflow notch 7 and the exhaust notch 8 can be one or three, and the number of the exhaust notches 10 can be sixteen or thirty-six.
As shown in fig. 2, the overflow notch 7 and the exhaust notch 8 are respectively located at two sides of the overflow chute 6, the overflow notch 7 and the exhaust notch 8 are staggered, the overflow notch 7 is located at the middle of one side of the overflow chute 6, the overflow chute 6 is communicated with the molding cavity 3 through the overflow notch 7, the exhaust notch 8 is located at the end part of one end of the overflow chute 6, the overflow chute 6 is in a structure with a small bottom opening and a large bottom opening, and the chute wall of the overflow chute 6 is obliquely arranged from bottom to top outwards. The depth of the vent recess 8 is smaller than the depth of the flash recess 7, and the depth of the flash recess 7 is much smaller than the depth of the flash groove 6. In this embodiment, the overflow trough 6 is arc-shaped, and in actual production, the overflow trough 6 may be strip-shaped. The mold is provided with a pouring gate 9, the pouring gate 9 is communicated with the forming cavity 3, the flash notch 7 is far away from the pouring gate 9, and the flash notch 7 and the pouring gate 9 are oppositely arranged.
The exhaust ring groove 4 is located above the exhaust recess 8, and the exhaust ring groove 4 is located above the exhaust groove 10, the exhaust recess 8 and the exhaust groove 10 are both elongated, the depth of the exhaust groove 10 is the same as the depth of the exhaust recess 8, in this embodiment, the depths of the exhaust groove 10 and the exhaust recess 8 are both 0.3mm, and in actual production, the depths of the exhaust groove 10 and the exhaust recess 8 may be 0.2mm or 0.4mm.
When the upper die 1 and the lower die 2 are assembled, the exhaust notch 8 is communicated with the exhaust ring groove 4, all the exhaust grooves 10 are communicated with the exhaust ring groove 4, the exhaust notch 8 and the exhaust grooves 10 are arranged in a crossing mode with the exhaust ring groove 4, the lengths of the exhaust notch 8 and the exhaust grooves 10 are larger than the width of the exhaust ring groove 4, and the exhaust grooves 10 are communicated with the forming cavity 3 through gaps between the upper die 1 and the lower die 2.
Be equipped with sealing ring 11 between lower mould 2 and the lower mould 2, sealing ring 11 includes the joint portion 111 that the protrusion set up, in this embodiment, have on the top surface of lower mould 2 concave setting and be annular draw-in groove 12, joint portion 111 embedding joint is in annular draw-in groove 12, when last mould 1 and lower mould 2 compound die, exhaust annular groove 4, flash groove 6, flash notch 7, exhaust notch 8 and exhaust recess 10 all are located annular draw-in groove 12 and enclose the space that becomes, in actual production, annular draw-in groove 12 can be located on the bottom surface of last mould 1.
During operation, the upper die 1 and the lower die 2 are clamped, raw materials are injected into the forming cavity 3 through the pouring gate 9, in the process, the vacuum pump vacuumizes the exhaust channel 5, so that one path of gas in the forming cavity 3 is exhausted through the flash notch 7, the flash groove 6, the exhaust notch 8, the exhaust ring groove 4 and the exhaust channel 5, and the other path of gas is exhausted through the gap between the upper die 1 and the lower die 2, the exhaust groove 10, the exhaust ring groove 4 and the exhaust channel 5, and when the raw materials are full of the forming cavity 3, the redundant raw materials enter the flash groove 6 through the flash notch 7 and are stored. When the die is opened for blanking, external gas enters the exhaust ring groove 4, the exhaust groove 10, the exhaust notch 8 and gaps between the upper die 1 and the lower die 2 through the exhaust channel 5, so that the pressure intensity between the upper die 1 and the lower die 2 is increased, the pressure difference between the inside and the outside of the die is basically the same, and the die opening is labor-saving.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. 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 invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the upper mold 1, the lower mold 2, the molding cavity 3, the air discharge ring groove 4, the air discharge passage 5, the flash groove 6, the flash recess 7, the air discharge recess 8, the pouring gate 9, the air discharge groove 10, the seal ring 11, the clamping portion 111, the annular clamping groove 12, etc. are used more herein, the possibility of using other terms is not excluded. These terms are only used to more conveniently describe and explain the nature of the invention and should be construed in a manner consistent with their spirit and scope.
Claims (9)
1. The utility model provides a mould flash exhaust structure, the mould includes last mould (1) and lower mould (2), have shaping chamber (3) between last mould (1) and lower mould (2), its characterized in that, flash exhaust structure includes last mould (1) bottom surface upwards concave exhaust annular (4) that sets up, be arranged in last mould (1) exhaust passage (5) and all set up in lower mould (2) top surface and concave overflow groove (6), flash notch (7) and exhaust notch (8) that set up downwards, exhaust annular (4) are annular and surround shaping chamber (3) setting, flash notch (7) and exhaust notch (8) are located the both sides of overflow groove (6) respectively and overflow notch (7) and exhaust notch (8) stagger the setting, overflow groove (6) are the big structure of bottom tiny opening, the cell wall of overflow groove (6) is from the slope upwards outwards setting down, overflow groove (6) are linked together with shaping chamber (3) through flash notch (7), when overflow groove (4) are located on top of the mould (4) and exhaust groove (8) and exhaust notch (8) are linked together when vent groove (4) are located in the top of the mould (4), the top part penetrates through the upper die (1).
2. A mould flash venting arrangement according to claim 1, characterized in that the flash tank (6) is elongated or arcuate, the flash recess (7) being located in the middle of one side of the flash tank (6), the venting recess (8) being located at the end of one end of the flash tank (6).
3. A mould flash venting structure according to claim 1, characterized in that the depth of the venting recess (8) is smaller than the depth of the flash recess (7), the depth of the flash recess (7) being much smaller than the depth of the flash groove (6).
4. A mould flash venting structure according to claim 1,2 or 3, characterized in that the mould has a gate (9) therein, the gate (9) being in communication with the mould cavity (3), the flash recess (7) being remote from the gate (9) and the flash recess (7) and gate (9) being arranged opposite each other.
5. A mould flash venting structure according to claim 1 or 2 or 3, characterized in that the vent channel (5) is arranged in a vertical direction, the vent channel (5) passing through the top of the upper mould (1) or the top of the vent channel (5) after turning through the side of the upper mould (1).
6. A die flash exhaust structure according to claim 1, 2 or 3, wherein the top surface of the lower die (2) is provided with a plurality of exhaust grooves (10) concavely arranged downwards, all the exhaust grooves (10) are annularly arranged around the die cavity (3), two adjacent exhaust grooves (10) are arranged at intervals, the exhaust ring groove (4) is annularly arranged and the exhaust ring groove (4) is positioned above the exhaust grooves (10), when the upper die (1) and the lower die (2) are clamped, all the exhaust grooves (10) are communicated with the exhaust ring groove (4), and the exhaust grooves (10) are communicated with the forming cavity (3) through gaps between the upper die (1) and the lower die (2).
7. The mold flash exhaust structure according to claim 6, wherein the exhaust notch (8) and the exhaust groove (10) are elongated, the exhaust notch (8) and the exhaust groove (10) are disposed to intersect with the exhaust ring groove (4), and the lengths of the exhaust notch (8) and the exhaust groove (10) are larger than the width of the exhaust ring groove (4).
8. A mould flash venting structure according to claim 6, characterized in that the venting grooves (10) have the same depth as the venting recesses (8), the venting grooves (10) and venting recesses (8) having a depth of between 0.2 and 0.4 mm.
9. The die flash exhaust structure according to claim 6, wherein a sealing ring (11) is arranged between the lower die (2) and the lower die (2), the sealing ring (11) comprises a convex clamping portion (111), an annular clamping groove (12) which is concavely arranged and is annular is formed in the top surface of the lower die (2) or the bottom surface of the upper die (1), the clamping portion (111) is embedded and clamped in the annular clamping groove (12), and when the upper die (1) and the lower die (2) are clamped, the exhaust ring groove (4), the flash groove (6), the flash notch (7), the exhaust notch (8) and the exhaust notch (10) are all located in a space surrounded by the annular clamping groove (12).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310041691.9A CN115958178B (en) | 2023-01-12 | 2023-01-12 | A mold overflow exhaust structure |
| PCT/CN2023/078801 WO2024148664A1 (en) | 2023-01-12 | 2023-02-28 | Mold overflow venting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310041691.9A CN115958178B (en) | 2023-01-12 | 2023-01-12 | A mold overflow exhaust structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115958178A CN115958178A (en) | 2023-04-14 |
| CN115958178B true CN115958178B (en) | 2025-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310041691.9A Active CN115958178B (en) | 2023-01-12 | 2023-01-12 | A mold overflow exhaust structure |
Country Status (2)
| Country | Link |
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| CN (1) | CN115958178B (en) |
| WO (1) | WO2024148664A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119858284B (en) * | 2025-03-24 | 2025-05-27 | 森骏卓越精密智造(深圳)有限公司 | Forming die for improving injection molding quality of fan-shaped chip |
| CN120134551B (en) * | 2025-04-28 | 2025-09-09 | 浙江万豪模塑股份有限公司 | An injection molding die for thick-walled thinning of automobile rear door pillar plastic parts |
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| CN207077715U (en) * | 2017-08-23 | 2018-03-09 | 宁波均胜汽车电子股份有限公司 | A kind of exhaust structure of injection mold |
| CN207874758U (en) * | 2018-01-02 | 2018-09-18 | 广州市超畅橡胶制品有限公司 | A kind of silica gel mould exhaust structure |
| CN211683216U (en) * | 2019-10-22 | 2020-10-16 | 刘文香 | Half-overflow type injection mold capable of controlling overflow amount |
| CN212312613U (en) * | 2020-05-20 | 2021-01-08 | 昆山东源明欣模具有限公司 | Extraction structure mould convenient for product forming |
| CN111531757B (en) * | 2020-05-28 | 2022-11-25 | 广东铭利达科技有限公司 | Mould exhaust structure |
| CN212860234U (en) * | 2020-06-17 | 2021-04-02 | 宁波艾乐健康电器科技有限公司 | Injection mold core structure for processing infrared PC (polycarbonate) sheet |
| CN213137657U (en) * | 2020-06-24 | 2021-05-07 | 富加宜连接器（东莞）有限公司 | Injection mold structure with flash runner |
| CN115139462B (en) * | 2022-05-26 | 2023-12-15 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
-
2023
- 2023-01-12 CN CN202310041691.9A patent/CN115958178B/en active Active
- 2023-02-28 WO PCT/CN2023/078801 patent/WO2024148664A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007305859A (en) * | 2006-05-12 | 2007-11-22 | Sanyo Electric Co Ltd | Resin sealing device and manufacturing method of semiconductor device |
| CN216635028U (en) * | 2021-12-16 | 2022-05-31 | 厦门市中豪强碳纤复合材料有限公司 | Compression molding die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115958178A (en) | 2023-04-14 |
| WO2024148664A1 (en) | 2024-07-18 |
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