CN114368057A - Back-blowing type forming die of suspension type ceramic insulator and preparation method thereof - Google Patents
Back-blowing type forming die of suspension type ceramic insulator and preparation method thereof Download PDFInfo
- Publication number
- CN114368057A CN114368057A CN202210054141.6A CN202210054141A CN114368057A CN 114368057 A CN114368057 A CN 114368057A CN 202210054141 A CN202210054141 A CN 202210054141A CN 114368057 A CN114368057 A CN 114368057A
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- China
- Prior art keywords
- air
- plaster
- ceramic insulator
- plaster mold
- forming die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 239000012212 insulator Substances 0.000 title claims abstract description 31
- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 238000007664 blowing Methods 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011505 plaster Substances 0.000 claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 206010022000 influenza Diseases 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001035 drying Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910052602 gypsum Inorganic materials 0.000 description 12
- 239000010440 gypsum Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Insulating Bodies (AREA)
Abstract
The invention provides a reverse blowing type forming die of a suspension type ceramic insulator, which comprises a plaster die and a basin wrapped outside the plaster die, wherein an air passage is arranged inside the plaster die, and compressed air is injected into the air passage to generate air pressure inside the plaster die so that a blank is separated from the surface of a cavity of the plaster die, thereby realizing demoulding. The invention also provides a preparation method of the back-blowing type forming die of the suspension type ceramic insulator. The invention has the beneficial effects that: the air channel is arranged in the plaster mold, and the blank is demolded by utilizing the instantaneous air pressure of compressed air, so that the drying procedure can be avoided, the cost is reduced, and the production period is shortened.
Description
Technical Field
The invention relates to a suspended ceramic insulator, in particular to a back-blowing type forming die of the suspended ceramic insulator and a preparation method thereof.
Background
The existing forming die for the suspension type ceramic insulator mainly utilizes the characteristic of strong moisture absorption of a gypsum material, combines a die with an aluminum basin through a gypsum die, combines mechanical equipment to transfer the aluminum basin and a mud blank to a drying room together, and utilizes the characteristic that the mud blank after temperature rise can be shrunk and a gypsum die can not be shrunk, so that the blank is separated from the surface of a cavity of the gypsum die, and finally the blank demoulding is realized.
The blank must be dried to demould, the production cycle is long, when a large number of blanks need to be produced, more moulds are needed, and the cost is high because the drying equipment also needs to be invested.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a reverse blowing type forming die of a suspension type ceramic insulator and a preparation method thereof.
The invention provides a reverse blowing type forming die of a suspension type ceramic insulator, which comprises a plaster die and a basin wrapped outside the plaster die, wherein an air passage is arranged inside the plaster die, and compressed air is injected into the air passage to generate air pressure inside the plaster die so that a blank is separated from the surface of a cavity of the plaster die, thereby realizing demoulding.
As a further improvement of the invention, the air passage comprises a main air passage and a branch air passage, the main air passage is positioned at the bottom of the plaster mold, an air valve is arranged at an air inlet of the main air passage, an air outlet of the main air passage is communicated with the branch air passage, and at least two branch air passages are uniformly distributed at positions close to the surface of the cavity of the plaster mold.
As a further improvement of the invention, the diversion air channel is provided with a hole which faces the cavity surface of the plaster mold and is used for ejecting compressed air towards one side of the blank.
As a further improvement of the invention, the plaster mold is in a round basin shape, the flow dividing air passage comprises an annular air passage and a linear air passage, the annular air passage is arranged around the circumferential direction of the plaster mold, and the linear air passage is arranged along the radial direction of the plaster mold.
As a further improvement of the invention, the linear air passage is communicated with the annular air passage at a crossing position.
As a further improvement of the invention, the air inlet of the linear air passage is communicated with the air outlet of the main air passage.
As a further improvement of the invention, the basin is a metal basin, and the air valve is arranged on the metal basin.
As a further improvement of the invention, the metal basin is an aluminum basin.
The invention also provides a preparation method of the reverse blowing type forming die of the suspension ceramic insulator, which comprises the steps of placing the air channel in the cavity of the forming die of the plaster mold, assembling the basin and the forming die of the plaster mold together, injecting liquid plaster into the cavity of the forming die of the plaster mold, and separating the forming die of the plaster mold when the plaster is formed, thereby finally forming the reverse blowing type forming die of the suspension ceramic insulator.
The invention has the beneficial effects that: the air channel is arranged in the plaster mold, and the blank is demolded by utilizing the instantaneous air pressure of compressed air, so that the drying procedure can be avoided, the cost is reduced, and the production period is shortened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other solutions can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic cross-sectional view of a blowback type forming die for a suspension ceramic insulator according to the present invention.
Fig. 2 is a schematic view of a hole of a blowback type molding die of a suspension ceramic insulator according to the present invention.
FIG. 3 is a schematic distribution diagram of the annular air passage and the linear air passage of the back-blowing type forming die for the suspension ceramic insulator according to the present invention.
Fig. 4 is a schematic forming diagram of a blowback forming mold for a suspension ceramic insulator according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 4, a reverse blowing type forming die for a suspension type ceramic insulator comprises a plaster mold 1 and a basin 2 wrapped outside the plaster mold 1, wherein an air passage is arranged inside the plaster mold 1, and compressed air is injected into the air passage to generate air pressure inside the plaster mold 1, so that a blank 3 is separated from the surface of a cavity of the plaster mold 1, and thus, demolding is realized.
The air flue comprises a main air flue 5 and a shunting air flue 6, wherein the main air flue 5 is positioned at the bottom of the plaster mold 1, an air valve 4 is arranged at an air inlet of the main air flue 5, an air outlet of the main air flue 5 is communicated with the shunting air flue 6, and at least two shunting air flues 6 are uniformly distributed at positions close to the surface of the cavity of the plaster mold 1.
The diversion air duct 6 is provided with a hole 8, the hole 8 faces the cavity surface of the plaster mold 1 and is used for enabling compressed air to be sprayed out towards one side of the blank 3, and an air flow blowing-out route 7 is shown in fig. 1-2.
The plaster mold 1 is in a round basin shape, the flow dividing air passage 6 comprises an annular air passage 601 and a linear air passage 602, the annular air passage 601 is arranged around the periphery of the plaster mold 1, and the linear air passage 602 is arranged along the radial direction of the plaster mold 1.
The linear air passage 602 is communicated with the annular air passage 601 at a crossing position.
The air inlet of the linear air passage 602 is communicated with the air outlet of the main air passage 5.
Preferably six annular air passages 601 are provided.
The basin 2 is a metal basin, and the air valve 4 is arranged on the metal basin.
The metal basin is an aluminum basin.
Adopt the structural style of metal basin parcel gypsum mould, the intensity that the purpose is improved the gypsum mould with the life-span to and can play sealed effect, let compressed air all can enter into in the air flue of gypsum mould.
The invention provides a back-blowing type forming die of a suspension ceramic insulator, which has the following working principle:
the formed blank 3 is adsorbed on the plaster mold 1, compressed air enters the main air passage 5 of the plaster mold 1 through the air valve 4 and then is divided into the linear air passage 602 and the annular air passage 601 inside the plaster mold 1, an interwoven and communicated air net (see fig. 3) is formed inside the plaster mold 1, when the compressed air instantly enters the air net, the compressed air is ejected out through the holes 8 in the dividing air passage 6 (see fig. 2), the ejected compressed air is continuously blown out instantly among gypsum crystal grain gaps in the plaster mold 1 (after gypsum materials are mixed with water and dried, gaps are generated among the crystal grains), and the generated air pressure can enable the blank 3 to be separated from the surface of a cavity of the plaster mold 1, so that the blank is demolded.
The invention also provides a preparation method of the reverse blowing type forming die of the suspension ceramic insulator, which comprises the steps of placing the air channel in the cavity of the forming die 9 of the plaster die, assembling the basin 2 and the forming die 9 of the plaster die together, injecting liquid plaster into the cavity of the forming die 9 of the plaster die, separating the forming die 9 of the plaster die when the plaster is formed, and finally forming the reverse blowing type forming die of the suspension ceramic insulator.
After the plaster mold is manufactured, the air valve is assembled on the aluminum basin, and finally a set of mold is formed.
The invention provides a reverse blowing type forming die of a suspension type ceramic insulator, which is mainly characterized in that a gypsum die, an air passage, an aluminum basin and an air valve are combined into the die by utilizing the characteristics of air permeability and moisture absorption of gypsum materials, and a machine device is combined to separate a blank from the surface of a gypsum die cavity by utilizing the instantaneous air pressure of compressed air, so that the effect of demoulding is achieved.
According to the back-blowing type forming die for the suspension type ceramic insulator, provided by the invention, the blank is demoulded by utilizing the instantaneous air pressure of compressed air, the blank using amount can be reduced, the link that a drying room needs to be built for drying is overcome, the production manufacturing period is compressed due to the reduction of production processes, the production bottleneck is effectively solved, no transmission machine equipment needs to be configured, the occupied area of a factory building is reduced, and the investment of capital is directly reduced.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. The utility model provides a reverse blowing formula forming die of suspension type ceramic insulator, is in including plaster mold and parcel the outside basin of plaster mold, its characterized in that: the air flue is arranged in the plaster mold, compressed air is injected into the air flue, air pressure is generated in the plaster mold, and the blank is separated from the surface of the cavity of the plaster mold, so that demolding is realized.
2. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 1, wherein: the air flue comprises a main air flue and a shunting air flue, the main air flue is positioned at the bottom of the plaster mold, an air valve is arranged at an air inlet of the main air flue, an air outlet of the main air flue is communicated with the shunting air flue, and at least two shunting air flues are uniformly distributed at positions close to the surface of the cavity of the plaster mold.
3. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 2, wherein: and the shunting air passage is provided with a hole, and the hole faces to the surface of the cavity of the plaster mold and is used for enabling compressed air to be sprayed out towards one side of the blank.
4. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 2, wherein: the plaster mold is in a round basin shape, the flow dividing air passage comprises an annular air passage and a linear air passage, the annular air passage is arranged around the circumferential direction of the plaster mold, and the linear air passage is arranged along the radial direction of the plaster mold.
5. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 4, wherein: the linear air passage is communicated with the annular air passage at the crossed position.
6. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 4, wherein: and the air inlet of the linear air passage is communicated with the air outlet of the main air passage.
7. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 2, wherein: the basin is a metal basin, and the air valve is installed on the metal basin.
8. The reverse blowing type forming die of the suspension type ceramic insulator according to claim 7, wherein: the metal basin is an aluminum basin.
9. A preparation method of a back-blowing type forming die of a suspension type ceramic insulator is characterized by comprising the following steps: placing an air channel in a cavity of a forming mold of a plaster mold, assembling the basin and the forming mold of the plaster mold, injecting liquid plaster into the cavity of the forming mold of the plaster mold, separating the forming mold of the plaster mold when the plaster is formed, and finally forming the back-blowing type forming mold of the suspension ceramic insulator as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054141.6A CN114368057A (en) | 2022-01-18 | 2022-01-18 | Back-blowing type forming die of suspension type ceramic insulator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054141.6A CN114368057A (en) | 2022-01-18 | 2022-01-18 | Back-blowing type forming die of suspension type ceramic insulator and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114368057A true CN114368057A (en) | 2022-04-19 |
Family
ID=81143458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210054141.6A Pending CN114368057A (en) | 2022-01-18 | 2022-01-18 | Back-blowing type forming die of suspension type ceramic insulator and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114368057A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07178713A (en) * | 1993-12-22 | 1995-07-18 | Ngk Insulators Ltd | Preparation of ceramic and porous mold therefor |
| DE19847087C1 (en) * | 1998-10-13 | 2000-01-05 | Rieter Werke Haendle | Method for making metal press molds for roof tiles having both durability and excellent release characteristics |
| JP2000141334A (en) * | 1998-11-12 | 2000-05-23 | Noritake Co Ltd | Manufacture of ceramic molding |
| JP2011194716A (en) * | 2010-03-19 | 2011-10-06 | Ngk Insulators Ltd | Suspension-type insulator molding die |
| CN202474789U (en) * | 2011-11-30 | 2012-10-03 | 上海西电高压开关有限公司 | Fracture-type oil gas casing pipe and cable terminal structure |
| JP2014188771A (en) * | 2013-03-27 | 2014-10-06 | Ngk Insulators Ltd | Suspension insulator molding die |
| CN205704628U (en) * | 2016-06-12 | 2016-11-23 | 南昌航空大学 | A kind of gypsum mold |
| CN110654870A (en) * | 2019-09-19 | 2020-01-07 | 江西铂川自动化科技有限公司 | Porcelain insulator clay base drawing of patterns turning device |
| CN210082062U (en) * | 2019-01-25 | 2020-02-18 | 醴陵市红瓷典瓷业有限公司 | Blank blowing device for gypsum mold of ceramic production line |
| CN214925397U (en) * | 2021-07-27 | 2021-11-30 | 淄博方力自动化设备有限公司 | Be used for ventilative blowback mould of insulator production |
| CN218138825U (en) * | 2022-01-18 | 2022-12-27 | 萍乡市汇能电气有限公司 | Back-blowing type forming die of suspension type ceramic insulator |
-
2022
- 2022-01-18 CN CN202210054141.6A patent/CN114368057A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07178713A (en) * | 1993-12-22 | 1995-07-18 | Ngk Insulators Ltd | Preparation of ceramic and porous mold therefor |
| DE19847087C1 (en) * | 1998-10-13 | 2000-01-05 | Rieter Werke Haendle | Method for making metal press molds for roof tiles having both durability and excellent release characteristics |
| JP2000141334A (en) * | 1998-11-12 | 2000-05-23 | Noritake Co Ltd | Manufacture of ceramic molding |
| JP2011194716A (en) * | 2010-03-19 | 2011-10-06 | Ngk Insulators Ltd | Suspension-type insulator molding die |
| CN202474789U (en) * | 2011-11-30 | 2012-10-03 | 上海西电高压开关有限公司 | Fracture-type oil gas casing pipe and cable terminal structure |
| JP2014188771A (en) * | 2013-03-27 | 2014-10-06 | Ngk Insulators Ltd | Suspension insulator molding die |
| CN205704628U (en) * | 2016-06-12 | 2016-11-23 | 南昌航空大学 | A kind of gypsum mold |
| CN210082062U (en) * | 2019-01-25 | 2020-02-18 | 醴陵市红瓷典瓷业有限公司 | Blank blowing device for gypsum mold of ceramic production line |
| CN110654870A (en) * | 2019-09-19 | 2020-01-07 | 江西铂川自动化科技有限公司 | Porcelain insulator clay base drawing of patterns turning device |
| CN214925397U (en) * | 2021-07-27 | 2021-11-30 | 淄博方力自动化设备有限公司 | Be used for ventilative blowback mould of insulator production |
| CN218138825U (en) * | 2022-01-18 | 2022-12-27 | 萍乡市汇能电气有限公司 | Back-blowing type forming die of suspension type ceramic insulator |
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