CN212761078U - Gravity casting machine for ceramic mold - Google Patents
Gravity casting machine for ceramic mold Download PDFInfo
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- CN212761078U CN212761078U CN202020679478.2U CN202020679478U CN212761078U CN 212761078 U CN212761078 U CN 212761078U CN 202020679478 U CN202020679478 U CN 202020679478U CN 212761078 U CN212761078 U CN 212761078U
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- mould
- pressure measuring
- oil cylinder
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Abstract
A gravity casting machine for a ceramic mould comprises a gravity casting machine mechanism, a mould hanging mechanism and a control mechanism; the gravity casting machine mechanism comprises a vertical column arranged on a bottom plate, and a movable template and a top plate arranged on the vertical column; a lower die is arranged on the movable template, and a lower ceramic die is arranged in the lower die; a mould hanging mechanism and a control mechanism are arranged below the top plate; an oil cylinder is arranged below the bottom plate; a suspender screw and a pressing spring screw cap are arranged below the top plate; a contact pressure gauge, a pressure measuring oil cylinder, a pressure measuring adjusting screw and a limit switch are arranged below the top plate; a pressure measuring oil cylinder and a contact pressure gauge are connected to form a pressure-controllable pressure gauge, and the pressure measuring control is carried out on the mold clamping force borne by the ceramic mold; preventing and controlling the ceramic mould from being subjected to the action of mould clamping force overpressure; not only further promotes the safe reliability of using the ceramic mould, but also saves materials and electricity, provides guarantee for the pollution-free production of the ceramic mould, and lays a foundation for realizing intelligent production and greatly reducing the production cost of products.
Description
Technical Field
The application relates to the field of casting, in particular to a gravity casting machine for a ceramic mold.
Background
In the casting field, the metal mold gravity casting is the most economical common method for manufacturing aluminum alloy castings, and the mold steel used by a metal mold is not only easy to be corroded by aluminum alloy liquid, but also can generate flash due to unsealed die closing seams caused by thermal deformation, so that the subsequent cost is increased; in response to the corrosion problem, the sand blasting spraying paint must be carried out on the surface of the die cavity before casting, the manual operation is only needed, the uniform spraying of the paint is difficult, the appearance of the product is influenced, the air permeability of the casting is influenced, the feeding of the product is influenced, the quality of the product cannot be guaranteed, and the sand blasting spraying paint has more dust and damages to the die; in order to deal with the problem of easy deformation, the mold clamping pressure is increased, in order to deal with the mold clamping pressure, a gravity casting machine and a metal mold are required to be manufactured to have enough strength and become a heavy machine, a hydraulic station with a high-power motor is also required to be configured, the material and the electricity are wasted, the problem that the metal mold is deformed due to thermal stress cannot be solved, gaps still exist after the mold clamping is not long, burrs are still generated at the parting position of a product, the burrs are also required to be polished in a subsequent process, the apparent quality is poor, the industry is always in a labor intensive state, the pollution is large, the energy consumption is high, and the cost is high; although a ceramic air-permeable mold for casting (application No. 202010249457.1, an air-permeable mold for aluminum alloy casting) does not need paint and has no flash generated due to deformation, the product has good quality and low cost, but the ceramic material is a grain surface sintering structure, has no toughness and is not pressure-resistant, and the ceramic material is directly applied to the existing gravity casting machine and is easy to fracture and damage.
SUMMERY OF THE UTILITY MODEL
The application is directed to above problem, provides a gravity casting machine for ceramic mould.
According to the technical scheme of the application: a gravity casting machine for ceramic molds is characterized by comprising a gravity casting machine mechanism, a mold hanging mechanism and a control mechanism;
the gravity casting machine mechanism comprises a vertical column 2 arranged on a bottom plate 1, and a movable template 15 and a top plate 3 arranged on the vertical column 2; a lower die 12 is arranged on the movable die plate 15, and a lower ceramic die 14 is arranged in the lower die 12; a mould hanging mechanism and a control mechanism are arranged below the top plate 3; an upper die 10 is arranged below the die hanging mechanism, and an upper ceramic die 11 is arranged in the upper die 10; an oil cylinder 17 is arranged below the bottom plate 1;
the mould hanging mechanism comprises a suspender screw 5 arranged below a top plate 3, a positioning pin of an upper mould 10 is arranged on the suspender screw 5, and a pressing spring screw cap 13 is arranged below the positioning pin of the upper mould 10;
the control mechanism comprises a contact pressure gauge 4 arranged below a top plate 3, an overload compression spring 6 arranged on the inner side of a suspender screw 5, a pressure measuring oil cylinder 7 arranged below the overload compression spring 6, a reset spring 8 arranged on a cylinder rod of the pressure measuring oil cylinder 7, and a pressure measuring adjusting screw 9 arranged on a cylinder rod at the top end of the reset spring 8; the top end of the pressure measuring adjusting screw 9 is contacted with the bottom surface of the upper die 10; a limit switch 16 is arranged on one upright post 2;
the pressure measuring oil cylinder 7 is connected with the contact pressure gauge 4;
four sets of overload compression springs 6, pressure measuring oil cylinders 7 and contact pressure gauges 4 are arranged;
the limit switch 16 is arranged at the position of the upper plane of the movable template 15 on the upright post 2 when the ceramic mold is closed;
the top ends of the pressure measuring adjusting screws 9 are in contact with the bottom surface of the upper die 10 when the ceramic die is in a die opening state, and the contact pressure gauges 4 are all displayed to be zero;
the pressure measuring oil cylinder is closed at the same time when the ceramic mold is closed in a balanced manner, and the calibration method is realized by finely adjusting the corresponding height of the bottom of the lower mold 12, so that the pressure on the mold clamping surface of the ceramic mold is balanced when the ceramic mold is closed in a balanced manner and is controlled within the process requirements;
the contact lines of the four contact pressure gauges are connected in series to form a controller, once the ceramic mold is uniformly closed, a mold closing electromagnetic valve connected with the oil cylinder 17 is closed, the excessive mold closing force is prevented, and the damage of the ceramic mold is prevented;
for the sake of safety, the limit switch 16 at this moment adopts a high-precision combined travel limit switch;
the movable mould plate 15 moves up and down under the action of the oil cylinder 16 to open and close the upper mould and the lower mould;
the upper ceramic die and the lower ceramic die are air-permeable;
the total pressure parameters of the four overload compression springs 6 are equal to the set pressure after the ceramic mold is closed, and the four overload compression springs can be compressed and retracted when in overpressure so as to prevent the ceramic mold from being subjected to mold closing force overpressure;
the oil pressure used by the oil cylinder of the gravity casting machine for the ceramic mould can be adjusted downwards;
the gravity casting machine for the ceramic mold is a gravity casting machine which can control mold clamping force to ensure the use requirement of the ceramic mold after adopting the existing gravity casting machine to be equipped with a mold hanging mechanism and a control mechanism;
a pressure measuring oil cylinder and a contact pressure gauge are connected to form a pressure-controllable pressure gauge, and the pressure measuring control is carried out on the mold clamping force borne by the ceramic mold; four sets of overload compression springs arranged on the bottom surface of an upper die on the inner side of a suspender screw are connected with a pressure measuring oil cylinder, so that the effect of compression and yielding during overpressure can be effectively achieved, and the effect of preventing the ceramic die from being subjected to die clamping force overpressure is realized;
the limiting switch arranged at the position of the upright column where the upper plane of the movable template is located when the ceramic mold is closed is adopted to further control the oil cylinder to move upwards to control overpressure, so as to prevent the ceramic mold from being subjected to the action of mold clamping force overpressure;
the corresponding height of the bottom of the lower die is finely adjusted to realize that the pressure measuring oil cylinder is closed at the same time when the ceramic die is closed in a balanced manner, so that the pressure on the die clamping surface of the ceramic die is balanced when the ceramic die is closed in a balanced manner, and the die clamping force is controlled within the technological requirements;
the controller is formed by connecting the contact lines of four contact pressure gauges in series, once the ceramic mold is uniformly closed, a mold closing electromagnetic valve connected with an oil cylinder is closed, the excessive mold closing force is prevented, and the damage of the ceramic mold is prevented;
the hydraulic pressure adjustable and high-precision combined stroke limit switch is adopted to control the upward movement overpressure of the oil cylinder, so that the safety and reliability of the ceramic mold are further improved, the materials and the electricity are saved, the pollution-free production of the ceramic mold is guaranteed, and the foundation is laid for realizing the intelligent production and greatly reducing the production cost of the product.
Drawings
Fig. 1 is a schematic structural diagram of a gravity casting machine for ceramic molds according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made with reference to the accompanying drawings.
The device comprises a bottom plate 1, a vertical column 2, a top plate 3, a contact pressure gauge 4, a suspender screw 5, an overload compression spring 6, a pressure measuring oil cylinder 7, a reset spring 8, a pressure measuring adjusting screw 9, an upper die 10, an upper ceramic die 11, a lower die 12, a compression spring screw cap 13, a lower ceramic die 14, a movable die plate 15, a limit switch 16, an oil cylinder 17 and the like.
The gravity casting machine for the ceramic mould comprises a gravity casting machine mechanism, a mould hanging mechanism and a control mechanism;
the gravity casting machine mechanism comprises a bottom plate 1, a stand column 2, a movable template 15, a top plate 3, a lower die 12, a lower ceramic die 14, an upper die 10, an upper ceramic die 11 and an oil cylinder 17; the upright columns 2 are arranged on the bottom plate 1 and are provided with four columns; the movable template 15 and the top plate 3 are arranged on the upright post 2; the lower die 12 is arranged on the movable die plate 15, and the lower ceramic die 14 is arranged in the lower die 12; the mould hanging mechanism and the control mechanism are arranged on the lower side of the top plate 3; the upper die 10 is arranged below the die hanging mechanism, and the upper ceramic die 11 is arranged in the upper die 10; the oil cylinder 17 is arranged at the lower part of the bottom plate 1;
the mould hanging mechanism comprises a hanging rod screw 5, a positioning pin and a pressing spring screw cap 13; the hanger rod screws 5 are arranged below the top plate 3, and four hanger rods are arranged; the positioning pin of the upper die 10 is arranged on the suspender screw 5; the pressing spring screw caps 13 are arranged below the positioning pins of the upper die 10, so that the upper die 10 is hung below the top plate 3;
the control mechanism comprises a contact pressure gauge 4, an overload compression spring 6, a pressure measuring oil cylinder 7, a reset spring 8, a pressure measuring adjusting screw 9 and a limit switch 16; the contact pressure gauge 4 is arranged at the lower part of the top plate 3, the overload compression spring 6 is arranged at the inner side of the suspender screw 5, the bottom of the pressure measuring oil cylinder 7 is connected with the lower end of the overload compression spring 6, the reset spring 8 is arranged on a cylinder rod of the pressure measuring oil cylinder 7, and the pressure measuring adjusting screw 9 is arranged on a cylinder rod at the top end of the reset spring 8; the top end of the pressure measuring adjusting screw 9 is contacted with the bottom surface of the upper die 10; the limit switch 16 is arranged on a stand column 2;
the pressure measuring oil cylinder 7 is connected with the contact pressure gauge 4;
four sets of overload compression springs 6, pressure measuring oil cylinders 7 and contact pressure gauges 4 are arranged;
the limit switch 16 is arranged at the position of the upper plane of the movable template 15 on the upright post 2 when the ceramic mold is closed;
the top ends of the pressure measuring adjusting screws 9 are in contact with the bottom surface of the upper die 10 when the ceramic die is in a die opening state, and the contact pressure gauges 4 are all displayed to be zero;
the pressure measuring oil cylinder is closed at the same time when the ceramic mold is closed in a balanced manner, and the calibration method is realized by finely adjusting the corresponding height of the bottom of the lower mold 12, so that the pressure on the mold clamping surface of the ceramic mold is balanced when the ceramic mold is closed in a balanced manner and is controlled within the process requirements;
the contact lines of the four contact pressure gauges are connected in series to form a controller, once the ceramic mold is uniformly closed, a mold closing electromagnetic valve connected with the oil cylinder 17 is closed, the excessive mold closing force is prevented, and the damage of the ceramic mold is prevented;
for the sake of safety, the limit switch 16 at this moment adopts a high-precision combined travel limit switch;
the movable mould plate 15 moves up and down under the action of the oil cylinder 16 to open and close the upper mould and the lower mould;
the upper ceramic die and the lower ceramic die are air-permeable;
the total pressure parameters of the four overload compression springs 6 are equal to the set pressure after the ceramic mold is closed, and the four overload compression springs can be compressed and retracted when in overpressure so as to prevent the ceramic mold from being subjected to mold closing force overpressure;
the oil pressure used by the oil cylinder of the gravity casting machine for the ceramic mould can be adjusted downwards;
the gravity casting machine for the ceramic mold is a gravity casting machine which can control mold clamping force to ensure the use requirement of the ceramic mold after adopting the existing gravity casting machine to be equipped with a mold hanging mechanism and a control mechanism;
a pressure measuring oil cylinder and a contact pressure gauge are connected to form a pressure-controllable pressure gauge, and the pressure measuring control is carried out on the mold clamping force borne by the ceramic mold; four sets of overload compression springs arranged on the bottom surface of an upper die on the inner side of a suspender screw are connected with a pressure measuring oil cylinder, so that the effect of compression and yielding during overpressure can be effectively achieved, and the effect of preventing the ceramic die from being subjected to die clamping force overpressure is realized;
the limiting switch arranged at the position of the upright column where the upper plane of the movable template is located when the ceramic mold is closed is adopted to further control the oil cylinder to move upwards to control overpressure, so as to prevent the ceramic mold from being subjected to the action of mold clamping force overpressure;
the corresponding height of the bottom of the lower die is finely adjusted to realize that the pressure measuring oil cylinder is closed at the same time when the ceramic die is closed in a balanced manner, so that the pressure on the die clamping surface of the ceramic die is balanced when the ceramic die is closed in a balanced manner, and the die clamping force is controlled within the technological requirements;
the controller is formed by connecting the contact lines of four contact pressure gauges in series, once the ceramic mold is uniformly closed, a mold closing electromagnetic valve connected with an oil cylinder is closed, the excessive mold closing force is prevented, and the damage of the ceramic mold is prevented;
the hydraulic pressure adjustable and high-precision combined stroke limit switch is adopted to control the upward movement overpressure of the oil cylinder, so that the safety and reliability of the ceramic mold are further improved, the materials and the electricity are saved, the pollution-free production of the ceramic mold is guaranteed, and the foundation is laid for realizing the intelligent production and greatly reducing the production cost of the product.
The above-mentioned shape content of the gravity casting machine for ceramic mold is only used for illustrating the technical solution of the present application and not for limiting, and other modifications or equivalent substitutions made by the technical solution of the present application by those skilled in the art should be covered by the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present application.
Claims (1)
1. A gravity casting machine for ceramic molds is characterized by comprising a gravity casting machine mechanism, a mold hanging mechanism and a control mechanism;
the gravity casting machine mechanism comprises four upright posts arranged on a bottom plate, and a movable template and a top plate arranged on the upright posts; a lower die is arranged on the movable template, and a lower ceramic die is arranged in the lower die; a mould hanging mechanism and a control mechanism are arranged below the top plate; an upper die is arranged below the die hanging mechanism, and an upper ceramic die is arranged in the upper die; an oil cylinder is arranged below the bottom plate;
the mould hanging mechanism comprises a suspender screw arranged below a top plate, a positioning pin of an upper mould is arranged on the suspender screw, and a pressing spring screw cap is arranged below the positioning pin of the upper mould;
the control mechanism comprises a contact pressure gauge arranged below a top plate, an overload pressure spring arranged on the inner side of a suspender screw, a pressure measuring oil cylinder arranged below the overload pressure spring, a reset spring arranged on a cylinder rod of the pressure measuring oil cylinder, and a pressure measuring adjusting screw arranged on a cylinder rod at the top end of the reset spring; the top end of the pressure measuring adjusting screw is contacted with the bottom surface of the upper die; a limit switch is arranged on one upright post;
four sets of overload compression springs, pressure measuring oil cylinders and contact pressure gauges are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020679478.2U CN212761078U (en) | 2020-04-22 | 2020-04-22 | Gravity casting machine for ceramic mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020679478.2U CN212761078U (en) | 2020-04-22 | 2020-04-22 | Gravity casting machine for ceramic mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212761078U true CN212761078U (en) | 2021-03-23 |
Family
ID=75066141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020679478.2U Expired - Fee Related CN212761078U (en) | 2020-04-22 | 2020-04-22 | Gravity casting machine for ceramic mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212761078U (en) |
-
2020
- 2020-04-22 CN CN202020679478.2U patent/CN212761078U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210819 Address after: 214000 rooms 101 and 201, building 15, Zhongguancun Software Park, Xinwu District, Wuxi City, Jiangsu Province Patentee after: JIUBAILI PRECISION MANUFACTURING (WUXI) Co.,Ltd. Address before: 214100 No.2 Tianzhu Road, Hudai Town, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI XIYANGKANG TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |