CN218906399U - Mold core mounting structure with exhaust function - Google Patents
Mold core mounting structure with exhaust function Download PDFInfo
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- CN218906399U CN218906399U CN202222800655.XU CN202222800655U CN218906399U CN 218906399 U CN218906399 U CN 218906399U CN 202222800655 U CN202222800655 U CN 202222800655U CN 218906399 U CN218906399 U CN 218906399U
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- mold core
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a mold core mounting structure with an exhaust function, wherein a mold core is provided with a plurality of bolt mounting holes, the bolt mounting holes penetrate through the mold core from top to bottom, an air gap is reserved between the inner wall of each bolt mounting hole and the outer side surface of a bolt in each bolt mounting hole, the bottom of each air gap is communicated with the input end of an exhaust dehumidifier, and the top of each air gap is communicated with the bottom of a powder molding cavity. In the pressing process, the exhaust dehumidifier absorbs gas at the bottom of the powder forming cavity through the ventilation gap and water separated out from the gas of the powder forming cavity due to compression, so that the gas can be prevented from accumulating in the powder forming cavity and forming a gas chamber to cause the pressure of the powder forming cavity to be increased, the sucked and exhausted gas can also carry heat to be discharged together, the surface temperature of sagger powder in the powder forming cavity can be reduced, the heat absorbed by the lower die is reduced, the risk of thermal deformation of the lower die is reduced, and the working efficiency of pressing and forming of the sagger powder can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die core mounting structure with an exhaust function.
Background
In the prior art, the lithium battery anode material must be baked in a high temperature kiln, and the baking process must be carried out by adopting a sagger. The sagger needs to be reused, has good density consistency, and is not easy to deform or crack due to expansion and contraction.
The sagger powder is compressed in the powder forming cavity to release gas, so that the air pressure of the powder forming cavity is easily increased, and the working efficiency of sagger pressing is reduced.
Disclosure of Invention
The utility model aims to solve the problems, and provides a mold core mounting structure with an exhaust function, wherein a mold core is provided with an air gap, so that air in a powder molding cavity can be timely exhausted, and the air pressure of the powder molding cavity is prevented from rising.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a mold core mounting structure with exhaust function for sagger pressing mold, sagger pressing mold includes mold core and die holder from top to bottom equipment to and last mould, curb plate and lower mould, and the last mould is located the mold core directly over, and the curb plate encircles and surrounds the lateral surface of mold core, and the lower mould encircles in the periphery of mold core and die holder, and the top surface of lower mould, the bottom surface of last mould, the internal wall of curb plate, the top surface of mold core and the lateral surface of mold core enclose into powder molding cavity, the mold core is equipped with a plurality of bolt mounting holes, the bolt mounting hole runs through from top to bottom the mold core, leave the clearance of ventilating between the internal wall of bolt mounting hole and the lateral surface of bolt wherein, the bottom of clearance of ventilating is linked together with the input of air exhauster, the top of clearance of ventilating with the bottom of powder molding cavity is linked together.
Further, the mold core is also provided with an insert, an air suction hole and an air blowing hole;
the insert is arranged at the top of the bolt mounting hole, the insert is positioned above the bolt, the top surface of the insert is flush with the top surface of the mold core, and the ventilation gap is formed between the outer peripheral surface of the insert and the inner wall of the bolt mounting hole;
the air suction hole and the air blowing hole are respectively positioned below the bolt mounting hole, the top end of the air suction hole and the top end of the air blowing hole are respectively communicated with the bottom of the bolt mounting hole, the bottom end of the air suction hole is communicated with the input end of the exhaust dehumidifier, and the bottom end of the air blowing hole is communicated with the output end of the blower.
Further, the bottom surface of the insert is provided with a ventilation groove;
the vent grooves are upwards sunk in the bottom surface of the insert, the vent grooves are cross grooves, and four ends of the vent grooves extend to the periphery respectively and are communicated with the vent gaps.
Further, the lower die holder is provided with an exhaust groove and a vent hole;
the air exhaust groove is positioned on the top surface of the lower die holder, extends along the top surface of the lower die holder, and is respectively communicated with the air exhaust grooves; the ventilation hole runs through from top to bottom the die holder, the top of ventilation hole with the exhaust groove is linked together, the input of air extraction dehumidifier with the output of hair-dryer respectively with the bottom of ventilation hole is linked together.
Further, the mold core is further provided with a first insert, the first insert is surrounded and embedded on the outer side face of the mold core, and the outer side face of the first insert faces the powder molding cavity;
the first insert is made of high-temperature-resistant hard alloy.
The technical scheme of the utility model has the beneficial effects that: the mold core mounting structure with the exhaust function can adopt an exhaust dehumidifier, absorb gas at the bottom of the powder forming cavity through an air vent gap, and separate out water due to compression in the gas of the powder forming cavity, so that the gas can be prevented from accumulating in the powder forming cavity and forming an air chamber to cause the air pressure of the powder forming cavity to be increased, the sucked and exhausted gas can also carry heat to be discharged together, the surface temperature of sagger powder in the powder forming cavity can be reduced, the heat absorbed by a lower mold is reduced, the risk of thermal deformation of the lower mold is reduced, and the working efficiency of compression forming of the sagger powder can be effectively improved.
Drawings
FIG. 1 is a schematic cross-sectional structural view of one embodiment of a mold core mounting structure with venting function of the present utility model;
FIG. 2 is a schematic view of a mounting structure of a sagger pressing die including the lower die assembly of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a mold core;
FIG. 4 is a bottom view of FIG. 1;
FIG. 5 is a schematic top view of the lower die holder;
wherein: an upper plate 1; an upper die holder 2; an upper die 3; a mold core 4; a lower die holder 5; a base plate 6; a side plate 7; a lower die 8; a mold frame 9; a pillar 10; a bolt 40; bolt mounting holes 41; an insert 42; a suction hole 43; a blow hole 44; a first insert 401; a vent gap 411; a ventilation groove 421; a vent groove 511; and a vent 512.
Detailed Description
The technical scheme of the utility model is further described below by means of specific embodiments in combination with the accompanying drawings 1-5.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present utility model.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
A mold core mounting structure with an exhaust function is used for a sagger pressing mold, the sagger pressing mold comprises a mold core 4 and a lower mold base 5 which are assembled from top to bottom, an upper mold 3, a side plate 7 and a lower mold 8, the upper mold 3 is located right above the mold core 4, the side plate 7 surrounds and surrounds the outer side surface of the mold core 4, the lower mold 8 surrounds the periphery of the mold core 4 and the lower mold base 5, the top surface of the lower mold 8, the bottom surface of the upper mold 3, the inner wall surface of the side plate 7, the top surface of the mold core 4 and the outer side surface of the mold core 4 are enclosed to form a powder forming cavity 301, the mold core 4 is provided with a plurality of bolt mounting holes 41, the bolt mounting holes 41 penetrate through the mold core 4 from top to bottom, a ventilation gap 411 is reserved between the inner wall of the bolt mounting holes 41 and the outer side surface of a bolt 40 in the bolt mounting holes, the bottom of the ventilation gap 411 is communicated with the input end of an exhaust dehumidifier, and the top of the ventilation gap 411 is communicated with the bottom of the powder forming cavity 301.
As shown in fig. 1-2, the die core mounting structure with the exhaust function of the utility model further comprises an upper plate 1, an upper die holder 2, a base plate 6, a die frame 9 and a support post 10, wherein the top surface of the upper die 3 is abutted against the bottom surface of the upper die holder 2, the top surface of the upper die holder 2 is abutted against the bottom surface of the upper plate 1, a side plate 7 is mounted on the inner wall surface of the die frame 9, the bottom surface of the die frame 9 and the top surface of the base plate 6 are respectively abutted against the top surface and the bottom surface of the support post 10, and the top end of an ejector rod of an oil press penetrates through the base plate 6 to be connected with the bottom of the lower die 8.
The top surface of the lower die 8, the bottom surface of the upper die 3, the inner wall surface of the side plate 7, the top surface of the die core 4 and the outer side surface of the die core 4 are enclosed to form a reversed bucket-shaped powder forming cavity 301, firstly, sagger powder is added into the powder forming cavity 301, then an oil press and an exhaust dehumidifier are started, the upper die 3 moves downwards under the pushing of the upper plate 1 and approaches the top surface of the die core 4, the sagger powder between the bottom surface of the upper die 3 and the top surface of the die core 4 is pressed to form a bottom plate of the sagger, the lower die 8 is upwards close to the bottom surface of the upper die 3 under the pushing of an ejector rod of the oil press and is extruded to form the sagger powder in the cavity 301, and the sagger powder between the bottom surface of the upper die 3, the inner wall surface of the side plate 7, the outer side surface of the die core 4 and the top surface of the annular die 81 is pressed to form an annular side wall of the sagger.
In the pressing process, the exhaust dehumidifier sucks the gas at the bottom of the powder forming cavity 301 through the ventilation gap 411 and the water separated out from the gas in the powder forming cavity 301 due to compression can avoid the gas accumulation in the powder forming cavity 301 and the gas formation of a gas chamber to cause the increase of the gas pressure of the powder forming cavity 301, the sucked and discharged gas can also carry heat to be discharged together, the surface temperature of the sagger powder in the powder forming cavity 301 can be reduced, the heat absorbed by the lower die 8 is further reduced, the risk of thermal deformation of the lower die 8 is reduced, and the working efficiency of the pressing forming of the sagger powder can be effectively improved.
Further, the mold core 4 is further provided with an insert 42, an air suction hole 43 and an air blowing hole 44;
the insert 42 is mounted on the top of the bolt mounting hole 41, the insert 42 is located above the bolt 40, the top surface of the insert 42 is flush with the top surface of the mold core 4, and the ventilation gap 411 is formed between the outer peripheral surface of the insert 42 and the inner wall of the bolt mounting hole 41;
the air suction hole 43 and the air blowing hole 44 are respectively located below the bolt mounting hole 41, the top end of the air suction hole 43 and the top end of the air blowing hole 44 are respectively communicated with the bottom of the bolt mounting hole 41, the bottom end of the air suction hole 43 is communicated with the input end of the air suction dehumidifier, and the bottom end of the air blowing hole 44 is communicated with the output end of the blower.
As shown in fig. 1 and 3, in the pressing process, an exhaust dehumidifier is adopted, and gas and moisture at the bottom of the powder forming cavity can be rapidly absorbed through the air suction holes 43 and the ventilation gaps 411; after the pressing is finished, the blower is started again, air is input through the air blowing hole 44 and the air ventilation gap 411, the input air is filled between the top surface of the mold core 4 and the bottom surface of the formed sagger, negative pressure can be effectively released, the blanking operation is convenient to detach the formed sagger, and the working efficiency of pressing and forming of sagger powder is further improved.
Further, a ventilation groove 421 is formed on the bottom surface of the insert 42;
the vent grooves 421 are recessed upward from the bottom surface of the insert 42, the vent grooves 421 are cross grooves, and four ends of the vent grooves 421 extend to the periphery and are communicated with the vent gaps 411.
As shown in fig. 4, the ventilation groove 421 is provided on the bottom surface of the insert 42, and when the air in the powder molding cavity 301 is sucked, the bottom surface of the insert 42 is prevented from adhering to the corresponding mounting surface, and the ventilation gap 411 is prevented from being blocked.
Further, the lower die holder 5 is provided with an exhaust slot 511 and a vent 512;
the exhaust groove 511 is located on the top surface of the lower die holder 5, the exhaust groove 511 extends along the top surface of the lower die holder 5, and the plurality of air suction holes 43 and the plurality of air blowing holes 44 are respectively communicated with the exhaust groove 511; the ventilation hole 512 penetrates through the lower die holder 5 from top to bottom, the top end of the ventilation hole 512 is communicated with the exhaust groove 511, and the input end of the exhaust dehumidifier and the output end of the blower are respectively communicated with the bottom end of the ventilation hole 512.
As shown in fig. 5, by providing the exhaust groove 511 and the vent hole 512, it is possible to prevent the air pipe communicating with the induced draft dehumidifier and the blower from being exposed to the periphery of the mold core 4, thereby preventing the air pipe from being scratched or damaged during operation.
Further, the mold core 4 is further provided with a first insert 401, the first insert 401 is surrounded and embedded on the outer side surface of the mold core 4, and the outer side surface of the first insert 401 faces the powder molding cavity 301;
the material of the first insert 401 is high temperature resistant cemented carbide.
As shown in fig. 1 to 3, the first insert 401 made of high-temperature-resistant cemented carbide is used to improve the heat resistance and compressive strength of the friction contact part between the mold core 4 and the lower mold 8, and thus the deformation resistance and the service life of the mold core 4 can be improved.
In summary, as shown in fig. 1-5, in the embodiment of the present utility model, the mold core mounting structure with the exhaust function may use an exhaust dehumidifier to absorb the gas at the bottom of the powder molding cavity 301 and the moisture separated from the gas in the powder molding cavity 301 due to compression through the ventilation gap 411, so as to avoid the gas accumulating in the powder molding cavity 301 and forming an air chamber to cause the increase of the air pressure in the powder molding cavity 301, and the sucked and exhausted gas may also carry heat to be exhausted together, so as to reduce the surface temperature of the sagger powder in the powder molding cavity 301, and then reduce the heat absorbed by the lower mold 8, and reduce the risk of thermal deformation of the lower mold 8, thereby effectively improving the working efficiency of the compression molding of the sagger powder.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (5)
1. The utility model provides a mold core mounting structure with exhaust function for sagger pressing mould, sagger pressing mould includes mold core and die holder from top to bottom equipment to and last mould, curb plate and lower mould, goes up the mould and is located the mold core directly over, and the curb plate encircles and surrounds the lateral surface of mold core, and the lower mould encircles in the periphery of mold core and die holder, and the top surface of lower mould, the bottom surface of last mould, the internal face of curb plate, the top surface of mold core and the lateral surface of mold core enclose into powder and become the die cavity, its characterized in that:
the mold core is provided with a plurality of bolt mounting holes, the bolt mounting holes penetrate through the mold core from top to bottom, an air gap is reserved between the inner wall of each bolt mounting hole and the outer side face of each bolt in each bolt mounting hole, the bottom of each air gap is communicated with the input end of the air suction dehumidifier, and the top of each air gap is communicated with the bottom of the powder molding cavity.
2. The mold core mounting structure with the air exhausting function according to claim 1, wherein the mold core is further provided with an insert, an air suction hole and an air blowing hole;
the insert is arranged at the top of the bolt mounting hole, the insert is positioned above the bolt, the top surface of the insert is flush with the top surface of the mold core, and the ventilation gap is formed between the outer peripheral surface of the insert and the inner wall of the bolt mounting hole;
the air suction hole and the air blowing hole are respectively positioned below the bolt mounting hole, the top end of the air suction hole and the top end of the air blowing hole are respectively communicated with the bottom of the bolt mounting hole, the bottom end of the air suction hole is communicated with the input end of the exhaust dehumidifier, and the bottom end of the air blowing hole is communicated with the output end of the blower.
3. The mold core mounting structure with the air exhausting function according to claim 2, wherein the bottom surface of the insert is provided with an air vent groove;
the vent grooves are upwards sunk in the bottom surface of the insert, the vent grooves are cross grooves, and four ends of the vent grooves extend to the periphery respectively and are communicated with the vent gaps.
4. The mold core mounting structure with a venting function according to claim 2, wherein the lower mold base is provided with a venting groove and a vent hole;
the air exhaust groove is positioned on the top surface of the lower die holder, extends along the top surface of the lower die holder, and is respectively communicated with the air exhaust grooves; the ventilation hole runs through from top to bottom the die holder, the top of ventilation hole with the exhaust groove is linked together, the input of air extraction dehumidifier with the output of hair-dryer respectively with the bottom of ventilation hole is linked together.
5. The mold core mounting structure with a degassing function according to claim 1, wherein the mold core is further provided with a first insert, the first insert is surrounded and embedded on an outer side surface of the mold core, and the outer side surface of the first insert faces the powder molding cavity;
the first insert is made of high-temperature-resistant hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222800655.XU CN218906399U (en) | 2022-10-24 | 2022-10-24 | Mold core mounting structure with exhaust function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222800655.XU CN218906399U (en) | 2022-10-24 | 2022-10-24 | Mold core mounting structure with exhaust function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218906399U true CN218906399U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222800655.XU Active CN218906399U (en) | 2022-10-24 | 2022-10-24 | Mold core mounting structure with exhaust function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218906399U (en) |
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2022
- 2022-10-24 CN CN202222800655.XU patent/CN218906399U/en active Active
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