CN110640869A - High-pressure grouting machine capable of changing mold locking force in real time and pressure regulating method thereof - Google Patents
High-pressure grouting machine capable of changing mold locking force in real time and pressure regulating method thereof Download PDFInfo
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- CN110640869A CN110640869A CN201911162118.3A CN201911162118A CN110640869A CN 110640869 A CN110640869 A CN 110640869A CN 201911162118 A CN201911162118 A CN 201911162118A CN 110640869 A CN110640869 A CN 110640869A
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- 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
- B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
- B28B1/261—Moulds therefor
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- 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
- B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
-
- 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
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/021—Feeding the unshaped material to moulds or apparatus for producing shaped articles by fluid pressure acting directly on the material, e.g. using vacuum, air pressure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A high-pressure grouting machine with real-time changing mold locking force and a pressure regulating method thereof comprise a front mold, a rear mold, an oil cylinder and a grouting system which are arranged on a frame; the rear die is fixedly arranged on one side of the rack, the sliding direction of the front die faces the rear die, the oil cylinder is positioned at the front part of the front die, and when the front die and the rear die are buckled, a piston rod of the oil cylinder is abutted against the rear part of the front die; a slurry conveying pipe of the grouting system is communicated with the rear mold, a pressure sensor is installed in the slurry conveying pipe, and a signal output end of the pressure sensor is connected to a signal output end of the processor; the oil circuit of the oil cylinder is provided with a proportional overflow valve, the oil circuit is provided with an independent compensation oil source, the signal acquisition end of the proportional overflow valve is connected to the signal output end of the processor, and the signal acquisition end of the independent compensation oil source is connected to the signal output end of the processor. The invention aims to provide a high-pressure grouting machine capable of changing the mold locking force in real time, wherein the mold locking pressure of the high-pressure grouting machine can be changed in real time, so that the load on a mold is relatively small.
Description
Technical Field
The invention relates to the technical field of domestic ceramic grouting machines, in particular to a high-pressure grouting machine capable of changing mold locking force in real time and a pressure regulating method thereof.
Background
The mould of pottery slip casting machine is that the resin makes for the substrate, and at high-pressure slip casting during operation, the dynamics of mode locking will be greater than the slip casting pressure in the mould, guarantees that the mould can not produce the hourglass thick liquid when slip casting operation, adopts the pneumatic cylinder to support tight mode at present, and this kind of mode just requires the higher intensity of mould requirement to bear and supports tight load, leads to the mould to damage easily, influences the life of mould.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present invention provides a high-pressure grouting machine with a mold-locking force varying in real time and a method for adjusting the pressure thereof, wherein the mold-locking pressure of the high-pressure grouting machine can vary in real time, so that the mold is subjected to a relatively small load.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-pressure grouting machine capable of changing mold locking force in real time comprises a front mold, a rear mold, an oil cylinder and a grouting system, wherein the front mold, the rear mold, the oil cylinder and the grouting system are arranged on a rack;
the rear die is fixedly arranged on one side of the rack, the sliding direction of the front die faces the rear die, the oil cylinder is positioned at the front part of the front die, and when the front die and the rear die are buckled, a piston rod of the oil cylinder is abutted against the rear part of the front die;
a slurry feeding pipe of the grouting system is communicated with the rear mold, a pressure sensor is installed in the slurry feeding pipe, and a signal output end of the pressure sensor is connected to a signal output end of the processor;
the oil cylinder is characterized in that a proportional overflow valve is installed on an oil path of the oil cylinder, an independent compensation oil source is installed on the oil path, a signal acquisition end of the proportional overflow valve is connected to a signal output end of the processor, and a signal acquisition end of the independent compensation oil source is connected to a signal output end of the processor.
Further, the oil cylinder is fixedly arranged on the lifting seat, the oil cylinder is lifted when the front die and the rear die are buckled, and the oil cylinder recovers the piston rod and descends when the front die and the rear die need to be opened.
Furthermore, the slurry feeding pipe is sequentially communicated with a first pneumatic control valve, a diaphragm pump and a second pneumatic control valve from upstream to downstream, and the outlet end of the slurry feeding pipe is communicated with the rear mold;
the pressure regulating system comprises an air supply pipe communicated with a high-pressure air source, the downstream of the air supply pipe is divided into three branches, the first branch is sequentially communicated with a low-pressure reducing valve and a third pneumatic control valve, the second branch is sequentially communicated with a medium-pressure reducing valve and a fourth pneumatic control valve, and the third branch is sequentially communicated with a high-pressure reducing valve and a fifth pneumatic control valve;
the outlet ends of the three branches are combined into a pipeline which is communicated with the diaphragm pump;
the first pneumatic control valve, the second pneumatic control valve, the third pneumatic control valve, the fourth pneumatic control valve and the fifth pneumatic control valve are all arranged on the valve control device, and the signal acquisition end of the valve control device is connected to the signal output end of the processor.
Further, the front mold and the rear mold are resin molds which are fully distributed with micro holes communicated with each other.
Further, the pressure sensor is a flat membrane pressure sensor.
A pressure regulating method for the high-pressure grouting machine with the real-time mode locking force changing function comprises the following steps:
A. presetting a pressure regulating curve, and setting a pressure boosting and reducing operation curve of the oil cylinder pressure according to the change of the grouting pressure;
B. stepless pressure regulation is realized, after a piston rod of the oil cylinder is in contact with the die, the data collected by the sensor is processed as reference, the pressure of the overflow valve is controlled to be reduced, and the pressure is increased through an independent compensation oil source.
The invention has the beneficial effects that: according to the scheme, the independent compensation oil source and the proportional overflow valve for pressure regulation, the quota and the controller and the pressure sensor 450 are arranged in the oil path of the oil cylinder, so that the device can adjust the pressure according to the pressure in the slurry feeding pipe, the pressure of a piston rod of the oil cylinder 300 acting on the front die 100 can be changed, and finally the load between the front die 100 and the rear die 200 is not constant large pressure but proper die locking pressure, so that the service life of the die can be effectively prolonged.
Drawings
FIG. 1 is a schematic overall structure of one embodiment of the present invention;
FIG. 2 is a schematic view of a grouting system according to an embodiment of the invention.
Wherein: the front mold 100, the rear mold 200, the oil cylinder 300, the slurry feeding pipe 410, the first pneumatic control valve 420, the diaphragm pump 430, the second pneumatic control valve 440, the pressure sensor 450, the air feeding pipe 510, the low-pressure reducing valve 520, the medium-pressure reducing valve 530, the high-pressure reducing valve 540, the third pneumatic control valve 550, the fourth pneumatic control valve 560 and the fifth pneumatic control valve 570.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
A high-pressure grouting machine with real-time mode locking force changing function comprises a front mold 100, a rear mold 200, an oil cylinder 300 and a grouting system, wherein the front mold 100, the rear mold 200, the oil cylinder 300 and the grouting system are arranged on a rack;
the rear die 200 is fixedly arranged at one side of the frame, the sliding direction of the front die 100 faces the rear die 200, the oil cylinder 300 is positioned at the front part of the front die 100, and when the front die 100 and the rear die 200 are buckled, a piston rod of the oil cylinder 300 is abutted against the rear part of the front die 100;
a slurry feeding pipe 410 of the grouting system is communicated with the rear mold 200, a pressure sensor 450 is installed in the slurry feeding pipe 410, and the signal output end of the pressure sensor 450 is connected to the signal output end of the processor;
the oil cylinder 300 is provided with a proportional overflow valve in the oil path, an independent compensation oil source in the oil path, a signal acquisition end of the proportional overflow valve is connected to a signal output end of the processor, and a signal acquisition end of the independent compensation oil source is connected to a signal output end of the processor.
According to the scheme, the independent compensation oil source and the proportional overflow valve for pressure regulation, the quota and the controller and the pressure sensor 450 are arranged in the oil path of the oil cylinder, so that the device can adjust the pressure according to the pressure in the slurry feeding pipe, the pressure of a piston rod of the oil cylinder 300 acting on the front die 100 can be changed, and finally the load between the front die 100 and the rear die 200 is not constant large pressure but proper die locking pressure, so that the service life of the die can be effectively prolonged.
The oil cylinder 300 is fixedly installed on the lifting seat, the oil cylinder 300 is lifted when the front mold 100 and the rear mold 200 are buckled, and the oil cylinder recovers a piston rod and descends when the front mold 100 and the rear mold 200 need to be opened.
The oil cylinder is designed to be lifted, the space occupied by the oil cylinder can be utilized, and the space is utilized in the aspect of the stroke of opening the die, so that the volume of the device is smaller as much as possible.
The slurry feeding pipe 410 is sequentially communicated with a first pneumatic control valve 420, a diaphragm pump 430 and a second pneumatic control valve 440 from upstream to downstream, and the outlet end of the slurry feeding pipe 410 is communicated with the rear mold 200;
the device is characterized by further comprising a pressure regulating system, wherein the pressure regulating system comprises an air supply pipe 510 communicated with a high-pressure air source, the downstream of the air supply pipe 510 is divided into three branches, the first branch is sequentially communicated with a low-pressure reducing valve 520 and a third pneumatic control valve 550, the second branch is sequentially communicated with a medium-pressure reducing valve 530 and a fourth pneumatic control valve 560, and the third branch is sequentially communicated with a high-pressure reducing valve 540 and a fifth pneumatic control valve 570;
the outlet ends of the three branches are combined into a pipeline which is communicated with the diaphragm pump 430;
the air-operated valve further comprises a valve control device for controlling the opening and closing of the valve, the first air-operated valve 420, the second air-operated valve 440, the third air-operated valve 550, the fourth air-operated valve 560 and the fifth air-operated valve 570 are all arranged on the valve control device, and the signal acquisition end of the valve control device is connected to the signal output end of the processor.
The pressure regulating system in this scheme is equipped with multistage pressure adjustment device, makes diaphragm pump 430 can carry out the slip casting operation with the pressure of difference when slip casting operation, makes the quality of slip casting higher.
In addition, the front mold and the rear mold are resin molds which are fully distributed with micro holes communicated with each other.
Further, the pressure sensor 450 is a flat-film pressure sensor.
A pressure regulating method for the high-pressure grouting machine with the real-time mode locking force changing function comprises the following steps:
A. presetting a pressure regulating curve, and setting a pressure boosting and reducing operation curve of the oil cylinder pressure according to the change of the grouting pressure;
B. stepless pressure regulation is realized, after a piston rod of the oil cylinder is in contact with the die, the data collected by the sensor is processed as reference, the pressure of the overflow valve is controlled to be reduced, and the pressure is increased through an independent compensation oil source.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. A high-pressure grouting machine capable of changing mold locking force in real time is characterized by comprising a front mold, a rear mold, an oil cylinder and a grouting system, wherein the front mold, the rear mold, the oil cylinder and the grouting system are arranged on a rack;
the rear die is fixedly arranged on one side of the rack, the sliding direction of the front die faces the rear die, the oil cylinder is positioned at the front part of the front die, and when the front die and the rear die are buckled, a piston rod of the oil cylinder is abutted against the rear part of the front die;
a slurry feeding pipe of the grouting system is communicated with the rear mold, a pressure sensor is installed in the slurry feeding pipe, and a signal output end of the pressure sensor is connected to a signal output end of the processor;
the oil cylinder is characterized in that a proportional overflow valve is installed on an oil path of the oil cylinder, an independent compensation oil source is installed on the oil path, a signal acquisition end of the proportional overflow valve is connected to a signal output end of the processor, and a signal acquisition end of the independent compensation oil source is connected to a signal output end of the processor.
2. The high-pressure grouting machine with real-time mold clamping force change according to claim 1, wherein the cylinder is fixedly installed on the lifting seat, the cylinder is lifted when the front mold and the rear mold are fastened, and the cylinder retracts the piston rod and descends when the front mold and the rear mold need to be opened.
3. The high-pressure grouting machine capable of changing the mold locking force in real time according to claim 1, characterized in that a first pneumatic control valve, a diaphragm pump and a second pneumatic control valve are sequentially communicated with the slurry feeding pipe from upstream to downstream, and the outlet end of the slurry feeding pipe is communicated with the rear mold;
the pressure regulating system comprises an air supply pipe communicated with a high-pressure air source, the downstream of the air supply pipe is divided into three branches, the first branch is sequentially communicated with a low-pressure reducing valve and a third pneumatic control valve, the second branch is sequentially communicated with a medium-pressure reducing valve and a fourth pneumatic control valve, and the third branch is sequentially communicated with a high-pressure reducing valve and a fifth pneumatic control valve;
the outlet ends of the three branches are combined into a pipeline which is communicated with the diaphragm pump;
the first pneumatic control valve, the second pneumatic control valve, the third pneumatic control valve, the fourth pneumatic control valve and the fifth pneumatic control valve are all arranged on the valve control device, and the signal acquisition end of the valve control device is connected to the signal output end of the processor.
4. A high-pressure grouting machine with real-time mold-locking force change according to claim 1, characterized in that the front mold and the rear mold are resin molds, and the molds are filled with micro holes communicated with each other.
5. The high-pressure grouting machine with real-time mode-locking force change according to claim 1, wherein the pressure sensor is a flat-film pressure sensor.
6. A method for adjusting pressure of a high pressure grouting machine with real-time changing of mold locking force according to any one of claims 1 to 5, comprising the steps of:
A. presetting a pressure regulating curve, and setting a pressure boosting and reducing operation curve of the oil cylinder pressure according to the change of the grouting pressure;
B. stepless pressure regulation is realized, after a piston rod of the oil cylinder is in contact with the die, the data collected by the sensor is processed as reference, the pressure of the overflow valve is controlled to be reduced, and the pressure is increased through an independent compensation oil source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162118.3A CN110640869A (en) | 2019-11-25 | 2019-11-25 | High-pressure grouting machine capable of changing mold locking force in real time and pressure regulating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162118.3A CN110640869A (en) | 2019-11-25 | 2019-11-25 | High-pressure grouting machine capable of changing mold locking force in real time and pressure regulating method thereof |
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| CN110640869A true CN110640869A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911162118.3A Pending CN110640869A (en) | 2019-11-25 | 2019-11-25 | High-pressure grouting machine capable of changing mold locking force in real time and pressure regulating method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605038A (en) * | 2020-06-18 | 2020-09-01 | 唐山贺祥机电股份有限公司 | Full-automatic turnover type toilet seat multi-blank high-pressure production process |
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| JPH09300323A (en) * | 1996-05-10 | 1997-11-25 | Inax Corp | Cast molding machine |
| JP2002192400A (en) * | 2000-12-20 | 2002-07-10 | Kosei Gakuin | Stacked forming press of variable pressure system and stacked forming method |
| CN103786249A (en) * | 2013-12-13 | 2014-05-14 | 湖北浠水科美机械有限公司 | High-pressure slurry injector with quick ceramic forming and die releasing functions |
| CN205889476U (en) * | 2016-08-15 | 2017-01-18 | 潮州市湘桥区飞马机电设备厂 | Full -automatic high -pressure forming machine |
| CN207539111U (en) * | 2017-11-27 | 2018-06-26 | 江苏华澳橡胶机械有限公司 | A kind of high-precision locked mode pressurized hydraulic control loop and vulcanizer |
| CN109968507A (en) * | 2019-04-02 | 2019-07-05 | 肇庆金马领科智能科技有限公司 | Ceramic high pressure casting equipment hydraulic oil pipe system and its execution method |
| CN110479844A (en) * | 2019-08-26 | 2019-11-22 | 佛山市康思达液压机械有限公司 | A kind of the deep drawing hydraulic machine and its application method of bidirectional variable pressure-pad-force |
-
2019
- 2019-11-25 CN CN201911162118.3A patent/CN110640869A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300323A (en) * | 1996-05-10 | 1997-11-25 | Inax Corp | Cast molding machine |
| JP2002192400A (en) * | 2000-12-20 | 2002-07-10 | Kosei Gakuin | Stacked forming press of variable pressure system and stacked forming method |
| CN103786249A (en) * | 2013-12-13 | 2014-05-14 | 湖北浠水科美机械有限公司 | High-pressure slurry injector with quick ceramic forming and die releasing functions |
| CN205889476U (en) * | 2016-08-15 | 2017-01-18 | 潮州市湘桥区飞马机电设备厂 | Full -automatic high -pressure forming machine |
| CN207539111U (en) * | 2017-11-27 | 2018-06-26 | 江苏华澳橡胶机械有限公司 | A kind of high-precision locked mode pressurized hydraulic control loop and vulcanizer |
| CN109968507A (en) * | 2019-04-02 | 2019-07-05 | 肇庆金马领科智能科技有限公司 | Ceramic high pressure casting equipment hydraulic oil pipe system and its execution method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605038A (en) * | 2020-06-18 | 2020-09-01 | 唐山贺祥机电股份有限公司 | Full-automatic turnover type toilet seat multi-blank high-pressure production process |
| CN111605038B (en) * | 2020-06-18 | 2022-03-11 | 唐山贺祥智能科技股份有限公司 | Full-automatic turnover type toilet seat multi-blank high-pressure production process |
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Application publication date: 20200103 |
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