CN216682659U - Die for forming solid zirconia ceramic structural part - Google Patents
Die for forming solid zirconia ceramic structural part Download PDFInfo
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- CN216682659U CN216682659U CN202123431560.7U CN202123431560U CN216682659U CN 216682659 U CN216682659 U CN 216682659U CN 202123431560 U CN202123431560 U CN 202123431560U CN 216682659 U CN216682659 U CN 216682659U
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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
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- 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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Abstract
The utility model belongs to the technical field of dies for isostatic pressing of solid ceramics, and relates to a die for forming a solid zirconia ceramic structural member, which comprises an upper die cover and a lower die body, wherein the upper die cover is sleeved on the periphery of the lower die body, a blank forming cavity is arranged inside the lower die body, the top of the forming cavity of the lower die body is provided with a sealing opening, the upper part of the inner cavity of the upper die cover is provided with a sealing plug matched with the sealing opening of the lower die body, the lower part of the outer wall of the lower die body is provided with a plurality of sealing bulges, the lower part of the inner wall of the upper die cover is provided with sealing grooves corresponding to the sealing bulges, and the peripheries of the upper die cover and the lower die body are provided with sealing layers. The utility model has the advantages of good sealing effect, regular blank forming shape, high raw material utilization rate, production cost saving and improvement of subsequent processing efficiency.
Description
Technical Field
The utility model relates to a die for forming a solid zirconia ceramic structural member, and belongs to the technical field of dies for isostatic pressing of solid ceramics.
Background
Isostatic pressing is a molding process, powder is encapsulated in a mold, and the mold is placed in a high-pressure container after being sealed, and liquid pressure medium is directly injected; the mould contacts with the liquid, and the powder is uniformly pressurized from all directions by utilizing the property that the liquid medium can not be compressed and can uniformly transfer pressure, so that the powder is pressed and formed into a compact blank.
The existing die for forming solid structural part products generally adopts a polyurethane or soft rubber jacket, the upper cover and the lower cover of the die adopt hard rubber plates, the sealing effect of a grinding tool is poor, the shape of a pressed blank is irregular, the peripheral shrinkage of the product is inconsistent, the middle part is easy to collapse and is dumbbell-shaped, the edge part is damaged and has serious edge falling, more raw materials are required to be added to ensure enough processing allowance, the utilization rate of the raw materials is lower, the cost is higher, and the raw materials are easily polluted.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the mold for molding the solid zirconia ceramic structural member overcomes the defects of the prior art, has good sealing effect, regular blank molding shape and high raw material utilization rate, saves the production cost and improves the subsequent processing efficiency.
The utility model relates to a die for forming a solid zirconia ceramic structural member, which comprises an upper die cover and a lower die body, wherein the upper die cover is sleeved on the periphery of the lower die body, a blank forming cavity is arranged inside the lower die body, the top of the lower die body forming cavity is provided with a sealing opening, the upper part of the inner cavity of the upper die cover is provided with a sealing plug matched with the sealing opening of the lower die body, the lower part of the outer wall of the lower die body is provided with a plurality of sealing bulges, the lower part of the inner wall of the upper die cover is provided with sealing grooves corresponding to the sealing bulges, and the peripheries of the upper die cover and the lower die body are provided with sealing layers.
When the device is used, powder raw materials are placed into the forming cavity, the upper die cover is buckled on the lower die body, the sealing plug of the upper die cover is inserted into the sealing opening of the lower die body, the sealing groove of the upper die cover is clamped with the sealing protrusion of the lower die body, then the sealing layer is laid on the outer periphery of the buckled upper die cover and the lower die body, and finally the isostatic pressing forming procedure is carried out on the next step. The matching of the sealing plug and the sealing opening and the clamping connection of the sealing groove and the sealing bulge both play a role in sealing the upper die cover and the lower die body, so that the sealing effect of the sealing plug is good, the blank body is regular in forming shape, the phenomenon of edge defect and edge drop at the edge is reduced, the utilization rate of raw materials is improved, and the cost is reduced; the clamping connection of the sealing groove and the sealing bulge simultaneously plays a role in fixedly connecting the upper die cover and the lower die body, so that the stability of the utility model is improved; the lower die body of the utility model adopts an integrated structure, does not need a lower die cover used by the existing die, simplifies the die structure, reduces the cost, avoids the raw material from leaking from the lower die cover, and improves the utilization rate of the raw material.
Preferably, the upper die cover and the lower die body both adopt three layers of corrugated boards, the same materials are adopted, so that the circumferential direction and the thickness direction of a formed blank are consistent in shrinkage in the powder forming and pressing process, the deformation of the formed blank is reduced, the subsequent processing efficiency is improved, the material price is low, the material is easy to recover and has no pollution after use, and the cost is reduced.
Preferably, the sealing layer adopt a flat pocket to be sleeved on the peripheries of the upper die cover and the lower die body, the opening of the flat pocket is sealed in a vacuumizing manner, and when the sealing layer is used, after powder is added into a forming cavity of the lower die body, the upper die cover is buckled on the periphery of the lower die body, then the buckled lower die body and the upper die cover are placed in the flat pocket, and the existing thermal shrinkage vacuum packaging machine is used for vacuumizing and sealing the flat pocket, so that the follow-up isostatic pressing forming process is facilitated.
Preferably, the sealing surface of the sealing plug of the upper mold cover and the sealing opening of the lower mold body is an inclined surface, so that the sealing plug can be rapidly inserted into the sealing opening, the inclined surface is arranged to increase the sealing effect, powder in the molding cavity is effectively prevented from overflowing and leaking, and the utilization rate of the powder raw materials is increased.
Preferably, the bottom of the lower die body is provided with a first step, the upper die cover is provided with a second step which is in butt joint with the first step, the first step and the second step are provided with corresponding films, and when the upper die cover is buckled on the lower die body, the films of the second step and the films of the first step are bonded together to further fix the lower die body and the upper die cover for connection.
Preferably, the number of the sealing bulges and the sealing grooves is 2, so that the sealing effect between the upper die cover and the lower die body is improved.
Compared with the prior art, the utility model has the beneficial effects that:
the sealing structure is reasonable in design, and the sealing effect between the upper die cover and the lower die body is achieved through the matching of the sealing plug and the sealing opening and the clamping of the sealing groove and the sealing protrusion, so that the sealing effect is good, the blank body is regular in forming shape, the defect and edge drop phenomenon at the edge is reduced, the utilization rate of raw materials is improved, and the cost is reduced; the clamping connection of the sealing groove and the sealing bulge simultaneously plays a role in fixedly connecting the upper die cover and the lower die body, so that the stability of the utility model is improved; the lower die body of the utility model adopts an integrated structure, does not need a lower die cover used by the existing die, simplifies the die structure, reduces the cost, avoids the raw material from leaking from the lower die cover, and improves the utilization rate of the raw material.
Drawings
FIG. 1 is a schematic view of a mold structure for molding a solid zirconia ceramic structural member;
FIG. 2 is a schematic structural view of the upper mold cover;
FIG. 3 is a schematic view of the structure of the lower mold body;
FIG. 4 is a schematic view of a circular plate type mold in a blank molding shape;
FIG. 5 is a schematic structural view of a square mold in the shape of a blank;
FIG. 6 is a schematic view of the structure of a fan-shaped mold for forming a blank.
In the figure: 1. a sealing layer; 2. putting a mold cover; 3. powder raw materials; 4. a film; 5. a lower die body; 6. sealing the plug; 7. Sealing the groove; 8. a step II; 9. sealing the protrusion; 10. sealing the opening; 11. a molding cavity; 12. and a first step.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-3, the mold for forming a solid zirconia ceramic structural member of the present invention comprises an upper mold cover 2 and a lower mold body 5, wherein the upper mold cover 2 is sleeved on the periphery of the lower mold body 5, a blank forming cavity 11 is arranged inside the lower mold body 5, a sealing opening 10 is arranged at the top of the forming cavity 11 of the lower mold body 5, a sealing plug 6 matched with the sealing opening 10 of the lower mold body 5 is arranged at the upper part of the inner cavity of the upper mold cover 2, a plurality of sealing protrusions 9 are arranged at the lower part of the outer wall of the lower mold body 5, a sealing groove 7 corresponding to the sealing protrusions 9 is arranged at the lower part of the inner wall of the upper mold cover 2, and a sealing layer 1 is arranged on the peripheries of the upper mold cover 2 and the lower mold body 5.
In this embodiment:
the upper die cover 2 and the lower die body 5 both adopt three layers of corrugated boards, and the same material is adopted to ensure that the circumferential shrinkage and the thickness direction shrinkage of the formed blank are consistent in the powder molding and pressing process, thereby reducing the deformation of the molded blank and improving the subsequent processing efficiency.
Sealing layer 1 adopts the flat pocket to cup joint in the periphery of last mould lid 2 and lower mould body 5, and flat pocket opening part adopts the evacuation sealing to seal, and during the use, after adding the powder in the shaping chamber 11 of lower mould body 5, with the periphery of last mould lid 2 lock at mould body 5 down, then place the lower mould body 5 that the lock is good and last mould lid 2 in the flat pocket, use current pyrocondensation vacuum packaging machine to carry out evacuation and seal the flat pocket, be favorable to going on of follow-up isostatic compaction technology.
The sealed face of the sealed mouth 10 of the sealed end cap 6 of upper mould lid 2 and lower die body 5 is the inclined plane, is favorable to sealed end cap 6 to insert sealed mouth 10 fast, and the setting on inclined plane increases sealed effect, effectively avoids forming cavity 11 interior powder to spill over and leak, increases powder raw materials 3 utilization ratios.
The bottom of the lower die body 5 is provided with a first step 12, the upper die cover 2 is provided with a second step 8 butted with the first step 12, the first step 12 and the second step 8 are provided with corresponding films 4, when the upper die cover 2 is buckled on the lower die body 5, the films 4 of the second step 8 are bonded with the films 4 of the first step 12, and the effect of further fixing the lower die body 5 and connecting the upper die cover 2 is achieved.
The number of the sealing bulges 9 and the number of the sealing grooves 7 are both 2, so that the sealing effect between the upper die cover 2 and the lower die body 5 is improved.
As shown in fig. 4-6, the shapes of the blanks formed by the utility model are circular plate type, square type and fan type, and the blanks of the circular plate type, the square type and the fan type respectively correspond to forming dies with the same shape.
The concrete working process, put into the shaping chamber 11 with powder raw materials 3, will go up the closing of moulding cap 2 on die body 5 down, make the film 4 of step two 8 of moulding cap 2 and the film 4 of step one 12 of die body 5 down support tightly and bond, the sealed end cap 6 of going up moulding cap 2 inserts the seal port 10 of die body 5 down simultaneously, the sealed recess 7 of going up moulding cap 2 and the sealed protruding 9 joint of die body 5 down, place the lower die body 5 that the lock is good and last moulding cap 2 in the plain kou bag, use current pyrocondensation vacuum packaging machine to take out the vacuum and seal the plain kou bag, then carry out subsequent isostatic compaction process.
Claims (6)
1. A solid class zirconia ceramic structure mould for shaping which characterized in that: including last moulded cover (2) and lower mould body (5), go up moulded cover (2) and cup joint the periphery in lower mould body (5), lower mould body (5) are inside to become die cavity (11) for the body, lower mould body (5) become die cavity (11) top and be seal port (10), go up moulded cover (2) inner chamber upper portion be equipped with lower mould body (5) seal port (10) complex sealed end cap (6), lower mould body (5) outer wall lower part is equipped with the sealed protruding (9) of several, it is equipped with sealed recess (7) that correspond with sealed protruding (9) to go up moulded cover (2) inner wall lower part, and the periphery of going up moulded cover (2) and lower mould body (5) is equipped with sealing layer (1).
2. The mold for molding a solid zirconia-based ceramic structural member according to claim 1, wherein: the upper die cover (2) and the lower die body (5) both adopt three layers of corrugated boards.
3. The mold for molding a solid zirconia-based ceramic structural member according to claim 1, wherein: the sealing layer (1) adopts a flat pocket to be sleeved on the periphery of the upper die cover (2) and the lower die body (5), and the opening of the flat pocket is sealed by vacuum pumping.
4. The mold for molding a solid zirconia-based ceramic structural member according to claim 1, wherein: the sealing surface of the sealing plug (6) of the upper die cover (2) and the sealing opening (10) of the lower die body (5) is an inclined plane.
5. The mold for molding a solid zirconia-based ceramic structural member according to claim 1, wherein: the bottom of the lower die body (5) is provided with a first step (12), the upper die cover (2) is provided with a second step (8) which is butted with the first step (12), and the first step (12) and the second step (8) are provided with corresponding films (4).
6. The mold for molding a solid zirconia-based ceramic structural member according to claim 1, wherein: the number of the sealing bulges (9) and the number of the sealing grooves (7) are both 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431560.7U CN216682659U (en) | 2021-12-30 | 2021-12-30 | Die for forming solid zirconia ceramic structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431560.7U CN216682659U (en) | 2021-12-30 | 2021-12-30 | Die for forming solid zirconia ceramic structural part |
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| Publication Number | Publication Date |
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| CN216682659U true CN216682659U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123431560.7U Active CN216682659U (en) | 2021-12-30 | 2021-12-30 | Die for forming solid zirconia ceramic structural part |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023142A (en) * | 2022-12-29 | 2023-04-28 | 苏州六九新材料科技有限公司 | Tungsten carbide target material, preparation method thereof and special die |
| CN116674054A (en) * | 2023-07-31 | 2023-09-01 | 山东硅元新型材料股份有限公司 | Machining method and finish machining tool for ceramic plate groove for carbon dioxide laser |
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2021
- 2021-12-30 CN CN202123431560.7U patent/CN216682659U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116023142A (en) * | 2022-12-29 | 2023-04-28 | 苏州六九新材料科技有限公司 | Tungsten carbide target material, preparation method thereof and special die |
| CN116023142B (en) * | 2022-12-29 | 2024-01-19 | 苏州六九新材料科技有限公司 | Tungsten carbide target material, preparation method thereof and special die |
| CN116674054A (en) * | 2023-07-31 | 2023-09-01 | 山东硅元新型材料股份有限公司 | Machining method and finish machining tool for ceramic plate groove for carbon dioxide laser |
| CN116674054B (en) * | 2023-07-31 | 2023-10-24 | 山东硅元新型材料股份有限公司 | Machining method and finish machining tool for ceramic plate groove for carbon dioxide laser |
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