CN211194289U - Ceramic slip casting mould - Google Patents
Ceramic slip casting mould Download PDFInfo
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- CN211194289U CN211194289U CN201922032670.2U CN201922032670U CN211194289U CN 211194289 U CN211194289 U CN 211194289U CN 201922032670 U CN201922032670 U CN 201922032670U CN 211194289 U CN211194289 U CN 211194289U
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Abstract
The utility model relates to a ceramic manufacture technical field, a pottery slip casting mould, include by two to open forming die and constitute, wherein the mould shell is the box type structure that has the holding chamber, and the obturator is filled in the holding chamber, and the obturator has the recess towards holding chamber open-ended surface, and moulding shell is arranged in the recess, and bearing structure supports between moulding shell back and obturator groove surface, the moulding shell outside is the molding surface, and the thickness of moulding shell is unanimous, and the shape of recess surface is unanimous with the shape of molding surface, makes to form the mesh chamber of bleeding that highly is unanimous between the back of moulding shell and the molding surface, and the mould is seted up the negative pressure suction hole that runs through mould shell and obturator, and this negative pressure suction hole communicates with the mesh chamber of bleeding; two when forming die buckled, two forming die's moulding shell edge aligns, and the net chamber intercommunication of bleeding each other, and this mould can realize that the mould absorbs water fast, the effect of quick drainage.
Description
Technical Field
The utility model relates to a ceramic manufacture technical field, especially the mould that ceramic slip casting used.
Background
The slip casting is a method of selecting a proper dispergator (deflocculant) to uniformly suspend the powdery raw material in a solution, preparing into slurry, then pouring the slurry into a water-absorbing model (generally a plaster model) to absorb water, and forming a blank according to the model. The method is commonly used for manufacturing daily ceramics and architectural ceramics with complex shapes and low precision requirements. Based on the physical characteristic that a porous gypsum mold can absorb moisture, ceramic powder is prepared into slurry with fluidity and then injected into the porous mold (mainly a gypsum mold), a uniform mud layer with certain thickness is formed after the moisture is absorbed by the mold (gypsum), and a green body with certain strength is formed in the dehydration and drying process, so that the method is called slip casting.
In the prior art, after the gypsum absorbs moisture, the moisture is retained in the gypsum, and the gypsum needs to be dried and reused, so that the production efficiency is low, the moisture diffusion speed of the gypsum is increased by using some molds in a mode of opening holes in the gypsum, but the period of water absorption and drainage of the gypsum is longer.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a pottery slip casting mould, it can realize the effect that the mould absorbs water fast, quick drainage.
In order to achieve the above object, the utility model adopts the following technical scheme:
a ceramic slip casting mould comprises two split forming moulds, wherein the forming moulds comprise a mould shell, a filler made of gypsum material, a plastic shell made of gypsum material and a supporting structure, wherein the mould shell is a box-shaped structure with an accommodating cavity, the filling body is filled in the accommodating cavity, the surface of the filling body facing to the opening of the accommodating cavity is provided with a groove, the plastic shell is arranged in the groove, the supporting structure is supported between the back surface of the shaping shell and the groove surface of the filling body, the outer side of the shaping shell is a shaping surface, the thickness of the shaping shell is consistent, and the shape of the surface of the groove is consistent with that of the modeling surface, so that an air pumping grid cavity with consistent height is formed between the back surface of the modeling shell and the modeling surface, the mould is provided with a negative pressure air suction hole penetrating through the mould shell and the filler, and the negative pressure air suction hole is communicated with the air exhaust grid cavity;
when the two forming dies are buckled, the edges of the shaping shells of the two forming dies are aligned, and the air exhaust grid cavities are communicated with each other.
Preferably, the inner end of the negative pressure suction hole is connected to the middle of the air suction grid cavity.
Preferably, the support structure is a support column, which is a gypsum column integrally formed with the filling body and the shaping shell.
Preferably, the support structure is a support rod made of stainless steel material.
Preferably, the shaping shell is internally provided with a first embedded net, and one side end part of the supporting rod is rigidly connected with the first embedded net.
Preferably, the filling body is internally provided with a second embedded net, and the other end part of the support rod is rigidly connected with the second embedded net.
Preferably, the first pre-buried net and the second pre-buried net are both stainless steel nets.
Preferably, the mold shell is a stainless steel shell.
Preferably, the opposite surface of the shell of the forming die is provided with a positioning structure, and the positioning structure is a positioning column and a positioning hole which are matched with each other.
Use the utility model discloses a beneficial effect is:
the filling body and the shaping shell in the mould are separated, so that an air pumping grid cavity is formed between the filling body and the shaping shell and is communicated with the air pumping grid cavity through the negative pressure air suction hole, so that after the negative pressure air suction hole is externally connected with a negative pressure suction device, the negative pressure in the mould shell directly acts on the air pumping grid cavity, meanwhile, the shaping shell is thin-walled, the water seepage effect of the shaping shell is good, liquid in ceramic grouting can quickly permeate, and the forming speed of the forming mould is high; in addition, the supporting structure has enough strength, and the supporting structure has various forms; the mould shell is made of metal materials, can protect the filling body and the plastic shell inside the mould shell, can also enable water in gypsum inside the mould shell to be quickly dissipated in an external heating mode, and is high in turnover speed and ceramic blank forming speed.
Drawings
Fig. 1 is the utility model discloses ceramic slip casting mould's structural schematic.
Fig. 2 is the structural schematic diagram of the second embodiment of the ceramic slip casting mold of the utility model.
Fig. 3 is a schematic view of a support column and an air-extracting grid cavity in the second embodiment of the ceramic slip casting mold of the utility model.
The reference numerals include:
10-a mould shell, 21-a filling body, 22-a plastic shell, 23-a support column, 30-an air-pumping grid cavity, 41-a first embedded net, 42-a support rod, 43-a second embedded net and 50-a negative pressure air-suction hole.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
Example 1
As shown in FIG. 1, a ceramic slip casting mold comprises two split molds, the mold comprises a mold shell 10, a filler 21 made of gypsum material, a shaping shell 22 made of gypsum material and a supporting structure, wherein the mold shell 10 is a box-shaped structure with a containing cavity, the filling body 21 is filled in the containing cavity, the surface of the filling body 21, which faces the opening of the accommodating cavity, is provided with a groove, the shaping shell 22 is arranged in the groove, the supporting structure is supported between the back surface of the shaping shell 22 and the groove surface of the filling body 21, the outer side of the shaping shell 22 is a shaping surface, the thickness of the shaping shell 22 is consistent, the shape of the surface of the groove is consistent with that of the modeling surface, so that an air-extracting grid cavity 30 with the same height is formed between the back surface and the modeling surface of the modeling shell 22, the mold is provided with a negative pressure air suction hole 50 penetrating through the mold shell 10 and the filling body 21, and the negative pressure air suction hole 50 is communicated with the air-extracting grid cavity 30; when the two forming dies are buckled, the edges of the shaping shells 22 of the two forming dies are aligned, and the air-exhaust grid cavities 30 are communicated with each other.
As shown in fig. 1, in the present embodiment, the shape of the ceramic blank is as shown in the figure, that is, the shape of the cavity a in fig. 1, according to the shape of the ceramic blank, the shape of the surface of the shaping shell 22 is the same as the shape of the ceramic blank, and the shaping shell 22 has the same thickness, so that the shape of the surface of the groove of the filling body 21 is the same as the shape of the ceramic blank, that is, the volume of the surface of the groove is enlarged. When the two forming molds are buckled, the edges of the opposite pressing surfaces of the mold shells 10 of the two forming molds are aligned, the surfaces of the opposite pressing surfaces of the two forming mold filling bodies 21 are aligned, and the edges of the opposite pressing surfaces of the two molding shells 22 are aligned, so that the air pumping grid cavities 30 are communicated to form an integrated cavity, and when the negative pressure air suction holes 50 suck negative pressure, moisture in the forming cavity A can be uniformly separated out.
Preferably, the inner ends of the negative pressure suction holes 50 are connected to the middle of the suction grid chamber 30 so that the negative pressure can be uniformly transferred to the suction grid chamber 30.
In this embodiment, the mold shell 10 is a stainless steel shell, and in other embodiments, the mold shell 10 may also be made of other non-metallic materials with good heat conduction and small heating shrinkage, such as plastic, and the heat-resistant temperature of the plastic is higher than 80 ℃.
The opposite surfaces of the forming die shells 10 are provided with positioning structures which are positioning columns and positioning holes matched with each other so as to facilitate the buckling and accurate positioning of the two forming dies, and the positioning columns and the positioning holes can be arranged on the parting surfaces B of the die shells 10.
The support structure is a support rod 42 made of stainless steel material.
In order to maintain the supporting effect of the manufactured column on the plastic shell, the molding shell 22 is internally provided with a first embedded net 41, and one side end part of the supporting rod 42 is rigidly connected with the first embedded net 41. The second pre-buried net 43 is arranged in the filling body 21, and the other end of the supporting rod 42 is rigidly connected with the second pre-buried net 43. The first pre-buried net 41 and the second pre-buried net 43 are both stainless steel nets.
Example 2
In this embodiment, only the structure and material of the support structure are changed, and the other structure is the same as embodiment 1.
As shown in fig. 2 and 3, in the present embodiment, the supporting structure is a supporting pillar 23, and the supporting pillar 23 is a plaster pillar integrally formed with the filling body 21 and the shaping shell 22.
The filling body 21 and the shaping shell 22 are separated in the mould, so that an air-pumping grid cavity 30 is formed between the filling body 21 and the shaping shell 22 and is communicated with the air-pumping grid cavity 30 through the negative pressure air suction hole 50, so that after the negative pressure air suction hole 50 is externally connected with a negative pressure suction device, the negative pressure in the mould shell 10 is directly acted into the air-pumping grid cavity 30, meanwhile, the shaping shell 22 is thin-walled, the water seepage effect of the shaping shell 22 is good, liquid in ceramic grouting can quickly permeate, and the forming speed of the forming mould is high; in addition, the supporting structure has enough strength, and the supporting structure has various forms; the mould shell 10 is made of metal materials, can protect the filling body 21 and the plastic shell inside, can also enable water in gypsum inside to be rapidly dissipated in an external heating mode, and is high in turnover speed and ceramic blank forming speed.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a pottery slip casting mould which characterized in that: the forming die comprises a die shell, a filling body made of gypsum materials, a molding shell made of gypsum materials and a supporting structure, wherein the die shell is of a box-shaped structure with a containing cavity, the filling body is filled in the containing cavity, the surface of the filling body, facing the opening of the containing cavity, is provided with a groove, the molding shell is arranged in the groove, the supporting structure is supported between the back surface of the molding shell and the groove surface of the filling body, the outer side of the molding shell is a molding surface, the thickness of the molding shell is consistent, the shape of the surface of the groove is consistent with that of the molding surface, so that an air-pumping grid cavity with the same height is formed between the back surface of the molding shell and the molding surface, the die is provided with negative-pressure air-sucking holes penetrating through the die shell and the filling body, and the negative-pressure air-sucking holes are communicated with the air-pumping grid cavity;
when the two forming dies are buckled, the edges of the shaping shells of the two forming dies are aligned, and the air exhaust grid cavities are communicated with each other.
2. The ceramic slip casting mold of claim 1, wherein: the inner end of the negative pressure air suction hole is connected to the middle of the air suction grid cavity.
3. The ceramic slip casting mold of claim 1, wherein: the supporting structure is a supporting column, and the supporting column is a gypsum column integrally formed with the filling body and the shaping shell.
4. The ceramic slip casting mold of claim 1, wherein: the supporting structure is a supporting rod made of stainless steel materials.
5. The ceramic slip casting mold of claim 4, wherein: the plastic shell is internally provided with a first embedded net, and one side end part of the support rod is rigidly connected with the first embedded net.
6. The ceramic slip casting mold of claim 5, wherein: the inside second pre-buried net that has of obturator, bracing piece other end and second pre-buried net rigid connection.
7. The ceramic slip casting mold of claim 6, wherein: the first pre-buried net and the second pre-buried net are both stainless steel nets.
8. Ceramic slip casting mould according to any of the claims 1-7, characterized in that: the mould shell is a stainless steel shell.
9. Ceramic slip casting mould according to any of the claims 1-7, characterized in that: and a positioning structure is arranged on the opposite surface of the shell of the forming die, and the positioning structure is a positioning column and a positioning hole which are matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032670.2U CN211194289U (en) | 2019-11-22 | 2019-11-22 | Ceramic slip casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922032670.2U CN211194289U (en) | 2019-11-22 | 2019-11-22 | Ceramic slip casting mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211194289U true CN211194289U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922032670.2U Active CN211194289U (en) | 2019-11-22 | 2019-11-22 | Ceramic slip casting mould |
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| Country | Link |
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| CN (1) | CN211194289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179205A (en) * | 2021-08-19 | 2022-03-15 | 常州纳弘智能科技有限公司 | Environment-friendly efficient ceramic product production equipment and use method |
| CN114643634A (en) * | 2022-03-22 | 2022-06-21 | 重庆臻宝实业有限公司 | Slip casting's vacuum mold |
-
2019
- 2019-11-22 CN CN201922032670.2U patent/CN211194289U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179205A (en) * | 2021-08-19 | 2022-03-15 | 常州纳弘智能科技有限公司 | Environment-friendly efficient ceramic product production equipment and use method |
| CN114643634A (en) * | 2022-03-22 | 2022-06-21 | 重庆臻宝实业有限公司 | Slip casting's vacuum mold |
| CN114643634B (en) * | 2022-03-22 | 2022-11-29 | 重庆臻宝实业有限公司 | Slip casting's vacuum mold |
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