CN219665050U - Mould fixing device is used in tectorial membrane sand psammitolite preparation - Google Patents
Mould fixing device is used in tectorial membrane sand psammitolite preparation Download PDFInfo
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- CN219665050U CN219665050U CN202321251845.9U CN202321251845U CN219665050U CN 219665050 U CN219665050 U CN 219665050U CN 202321251845 U CN202321251845 U CN 202321251845U CN 219665050 U CN219665050 U CN 219665050U
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- assembly
- sand core
- mounting frame
- mold
- fixing device
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- 239000004576 sand Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims description 3
- 210000002489 tectorial membrane Anatomy 0.000 title claims description 3
- 238000000465 moulding Methods 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003110 molding sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Abstract
The utility model relates to a sand core die fixing device, in particular to a die fixing device for manufacturing a precoated sand core. The device comprises a mounting assembly, wherein the mounting assembly comprises a mounting frame, a mounting groove is formed in the bottom of the mounting frame, and a discharging groove is formed in the top of the mounting frame; the mounting frame is provided with forming assemblies at two sides of the mounting groove, a clamping assembly and a symmetrically arranged demolding assembly are arranged between the forming assemblies and the side wall of the mounting frame, and a conveying assembly is arranged in the mounting groove; the molding assembly is used for molding the precoated sand to obtain a sand core; in the die fixing device for manufacturing the precoated sand core, the precoated sand is molded through the set molding assembly to obtain the sand core, the clamping assembly automatically controls the opening and closing of the molding assembly, the demolding assembly is used for separating the sand core from the molding assembly, and finally the cooling molded sand core is conveyed away through the conveying assembly.
Description
Technical Field
The utility model relates to a sand core die fixing device, in particular to a die fixing device for manufacturing a precoated sand core.
Background
The sand core is a material for manufacturing the core in casting production, and is generally formed by mixing molding materials such as casting sand, a molding sand binder, auxiliary materials and the like according to a certain proportion. The core is largely surrounded by high-temperature liquid metal in the mold, and the size of the supporting and positioning portion is generally small, so that the core sand should have high strength, air permeability, deformability, and collapsibility in addition to the performance of general molding sand. The core sand is divided into clay core sand, water glass core sand, oil core sand, synthetic resin core sand, etc. according to the different binders. The production of the sand core usually needs to be completed by using a mould and then being matched with a series of devices such as a clamping and fixing structure, a material injection machine and the like.
For the die fixing device for manufacturing the sand core, many prior art exist, for example:
chinese patent publication No. CN208840450U discloses a hot core box mould for producing precoated sand shell core, including fixed half core box, moving half core box, heating device, moving half core box top core mechanism and fixed half core box top core mechanism, fixed half core box and moving half core box are fixed on the core shooter workstation through the bolt respectively, and cover the compound die through the locating pin, jet into precoated sand by the core shooter and carry out the core making, heating device is fixed mounting respectively on fixed half core box and moving half core box, heating device heats the core box, guarantee the quick solidification of precoated sand core, moving half core box top core mechanism and fixed half core box top core mechanism are fixed mounting respectively on moving half core box and fixed half core box for guarantee that the sand core is ejecting smoothly after the die sinking, reset automatically through the return lever when the compound die. The left half shell sand core and the right half shell sand core are formed at one time through the hot core box die and then bonded into the complete shell core with uniform wall thickness, so that the automatic degree is high, the strength is high, the surface quality is good, the sand consumption of the sand core is small, the quality is improved, and meanwhile, the production cost is reduced.
Therefore, in the prior art, when the coated sand core is manufactured, a mold for producing the sand core is usually installed, then heated coated sand is introduced into the mold, the mold is taken down after the heated coated sand is cooled and molded, and then the manufactured sand core is taken out. However, since the sand core for making the precoated sand is heated in advance, the sand core may be stuck to the mold after cooling, and if the worker removes the sand core, the production efficiency of the factory is reduced, and the labor cost of the factory is reduced. Therefore, there is a need for a mold that can automatically separate the sand core from the mold when the mold is removed after the sand core is cooled and formed.
Disclosure of Invention
The utility model aims to provide a die fixing device for manufacturing a precoated sand core, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides a die fixing device for manufacturing a precoated sand core, which comprises a mounting assembly, wherein the mounting assembly comprises a mounting frame, a mounting groove is formed in the bottom of the mounting frame, and a discharge groove is formed in the top of the mounting frame; the mounting frame is provided with forming assemblies at two sides of the mounting groove, a clamping assembly and a symmetrically arranged demolding assembly are arranged between the forming assemblies and the side wall of the mounting frame, and a conveying assembly is arranged in the mounting groove; the molding assembly is used for molding precoated sand to obtain a sand core, the clamping assembly is used for automatically controlling the molding assembly to open and close, the demolding assembly is used for separating the sand core from the molding assembly, and the conveying assembly is used for conveying away the sand core.
As a further improvement of the technical scheme, the forming assembly comprises a pair of symmetrically arranged fixed dies and sliding dies, feeding holes are formed in the tops of the fixed dies and the sliding dies, and a pair of demolding holes are formed in the sliding dies.
As a further improvement of the technical scheme, the clamping assembly comprises a hydraulic rod arranged between the sliding mode and the side wall of the mounting frame, wherein an output rod of the hydraulic rod is fixedly connected with the sliding mode, and a telescopic device is arranged on one side of the hydraulic rod.
As a further improvement of the technical scheme, the demolding assembly comprises a top mold rod which is connected with the sliding mold in a sliding manner through a demolding hole, a spring is sleeved on the periphery of the top mold rod, and the spring is arranged between the side wall of the mounting frame and the sliding mold.
As a further improvement of the technical scheme, the conveying assembly comprises a plurality of roller shafts which are arranged side by side, and a conveying belt wraps the periphery of the roller shafts.
Compared with the prior art, the utility model has the beneficial effects that:
in the die fixing device for manufacturing the precoated sand core, the precoated sand is molded through the set molding assembly to obtain the sand core, the clamping assembly automatically controls the opening and closing of the molding assembly, the demolding assembly is used for separating the sand core from the molding assembly, and finally the cooling molded sand core is conveyed away through the conveying assembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment;
FIG. 2 is a cutaway view of a mounting assembly of an embodiment;
FIG. 3 is a block diagram of a molding assembly of an embodiment;
FIG. 4 is a block diagram of a clamping assembly of an embodiment;
FIG. 5 is a block diagram of a stripper assembly of an embodiment;
fig. 6 is a structural diagram of a fixing member of the embodiment.
The meaning of each reference sign in the figure is:
10. a mounting assembly; 11. a mounting frame; 12. a mounting groove; 13. a discharge groove;
20. a molding assembly; 21. fixing a die; 22. a slip form; 23. a feed hole; 24. a demolding hole;
30. a clamping assembly; 31. a hydraulic rod; 32. a telescopic device;
40. a demolding assembly; 41. a top mold rod; 42. a spring;
50. a transfer assembly; 51. a roll shaft; 52. a conveyor belt.
Detailed Description
In the prior art, when the precoated sand core is manufactured, a die for producing the sand core is usually installed, then heated precoated sand is introduced into the die, the die is taken down after the heated precoated sand is cooled and molded, and then the manufactured sand core is taken out. However, since the sand core for making the precoated sand is heated in advance, the sand core may be stuck to the mold after cooling, and if the worker removes the sand core, the production efficiency of the factory is reduced, and the labor cost of the factory is reduced. Therefore, there is a need for a mold that can automatically separate the sand core from the mold when the mold is removed after the sand core is cooled and formed.
Examples
Referring to fig. 1-6, the embodiment provides a mold fixing device for manufacturing a precoated sand core, which comprises a mounting assembly 10, wherein the mounting assembly 10 comprises a mounting frame 11, a mounting groove 12 is formed in the bottom of the mounting frame 11, and a discharging groove 13 is formed in the top of the mounting frame 11; the mounting frame 11 is provided with forming assemblies 20 at two sides of the mounting groove 12, a clamping assembly 30 and a symmetrically arranged demoulding assembly 40 are arranged between the forming assemblies 20 and the side wall of the mounting frame 11, and a conveying assembly 50 is arranged in the mounting groove 12; the molding assembly 20 is used for molding precoated sand to obtain a sand core, the clamping assembly 30 automatically controls the molding assembly 20 to open and close, the demolding assembly 40 separates the sand core from the molding assembly 20, and the conveying assembly 50 conveys away the sand core.
The working principle is as follows:
when the device is used, the precoated sand is molded through the set molding assembly 20 to obtain a sand core, the clamping assembly 30 automatically controls the molding assembly 20 to open and close, the demolding assembly 40 separates the sand core from the molding assembly 20, and finally the cooling molded sand core is conveyed away through the conveying assembly 50.
In order to mold the precoated sand to obtain a sand core, therefore, the molding assembly 20 comprises a symmetrically arranged fixed die 21 and a sliding die 22, wherein the top parts of the fixed die 21 and the sliding die 22 are respectively provided with a feeding hole 23, and the sliding die 22 is provided with a pair of demolding holes 24; when the sand core manufacturing device is used, the clamping assembly 30 is used for enabling the solid die 21 and the sliding die 22 which are separated originally to be closely attached to each other, then pre-heated precoated sand is added into the die cavity from the material discharging groove 13 through the feeding hole 23, after the sand core is obtained after the sand core is cooled and molded, the clamping assembly 30 is used for controlling the sliding die 22 and the solid die 21 to be separated, and therefore the sand core is obtained.
Considering the reason that the mold needs to be automatically controlled to open and close, the clamping assembly 30 comprises a hydraulic rod 31 arranged between the sliding mold 22 and the side wall of the mounting frame 11, an output rod of the hydraulic rod 31 is fixedly connected with the sliding mold 22, and a telescopic device 32 is arranged on one side of the hydraulic rod 31; when the precoated sand is injected into the mould, the sliding mould 22 is pushed to approach the fixed mould 21 by the hydraulic rod 31, during the period, the telescopic device 32 is lengthened, after the sand core is formed, the thrust of the hydraulic rod 31 to the sliding mould 22 is removed, and the sliding mould 22 is brought back to the original position under the action of the restoring force of the elastic piece on the telescopic device 32.
In order to prevent the molded sand core from adhering to the mold, the demolding assembly 40 comprises a top mold rod 41 slidably connected with the sliding mold 22 through the demolding hole 24, a spring 42 is sleeved on the periphery of the top mold rod 41, and the spring 42 is arranged between the side wall of the mounting frame 11 and the sliding mold 22; if the sand core after molding and cooling is adhered to the mold, the spring 42 which is stretched drives the sliding mold 22 fixedly connected with the spring to reset, and the top mold rod 41 pushes the sand core away from the mold through the demolding hole 24.
In order to carry away the sand cores, therefore, the conveying assembly 50 comprises a plurality of rollers 51 arranged side by side, and a conveying belt 52 is wrapped around the rollers 51; after the sand core is formed, the sand core is ejected from the die by the ejection die rod 41 through the ejection hole 24, then falls onto the conveyor belt 52, and then the motor drives the roller shaft 51 to rotate, so that the sand core is conveyed away from the device.
When the mould fixing device for manufacturing the precoated sand core is specifically used, the device is used for molding precoated sand through the set molding assembly 20 to obtain the sand core, and specifically when the device is used, firstly, the clamping assembly 30 is used for enabling the solid mould 21 and the sliding mould 22 which are originally separated to be tightly attached to each other, then the precoated sand which is heated in advance is added into the mould cavity from the material discharging groove 13 through the feeding hole 23, after the precoated sand is cooled and molded, the sand core is obtained, and then the clamping assembly 30 is used for controlling the sliding mould 22 to be separated from the solid mould 21, so that the sand core is obtained; then the clamping assembly 30 is used for automatically controlling the opening and closing of the forming assembly 20, specifically, when the precoated sand is injected into the mould, the hydraulic rod 31 is used for pushing the sliding mould 22 to approach the fixed mould 21, during the period, the telescopic device 32 is lengthened, after the sand core is formed, the thrust of the hydraulic rod 31 to the sliding mould 22 is removed, and the sliding mould 22 is brought back to the original position under the action of the restoring force of the elastic piece on the telescopic device 32; then the sand core is separated from the molding assembly 20 through the demolding assembly 40, specifically, if the molded and cooled sand core is adhered to the mold, the original elongated spring 42 drives the sliding mold 22 fixedly connected with the sand core to reset, and the top mold rod 41 pushes the sand core away from the mold through the demolding hole 24; finally, the cooled and molded sand core is conveyed away through the conveying assembly 50, specifically, after the sand core is molded, the sand core is ejected from the mold through the demolding hole 24 by the ejector mold rod 41, then the sand core falls onto the conveying belt 52, and then the motor drives the roller shaft 51 to rotate, so that the sand core is conveyed away from the device.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a tectorial membrane sand mould fixing device for psammitolite preparation, includes installation component (10), its characterized in that:
the mounting assembly (10) comprises a mounting frame (11), a mounting groove (12) is formed in the bottom of the mounting frame (11), and a discharging groove (13) is formed in the top of the mounting frame (11); the mounting frame (11) is provided with forming assemblies (20) at two sides of the mounting groove (12), a clamping assembly (30) and a symmetrically arranged demolding assembly (40) are arranged between the forming assemblies (20) and the side wall of the mounting frame (11), and a conveying assembly (50) is arranged in the mounting groove (12);
the molding assembly (20) is used for molding precoated sand to obtain a sand core, the clamping assembly (30) is used for automatically controlling the molding assembly (20) to open and close, the demolding assembly (40) is used for separating the sand core from the molding assembly (20), and the conveying assembly (50) is used for conveying away the sand core.
2. The mold fixing device for manufacturing a precoated sand core according to claim 1, wherein: the molding assembly (20) comprises a fixed die (21) and a sliding die (22) which are symmetrically arranged, wherein feeding holes (23) are formed in the tops of the fixed die (21) and the sliding die (22), and a pair of demolding holes (24) are formed in the sliding die (22).
3. The die fixing device for manufacturing a precoated sand core according to claim 2, characterized in that: the clamping assembly (30) comprises a hydraulic rod (31) arranged between the sliding mode (22) and the side wall of the mounting frame (11), an output rod of the hydraulic rod (31) is fixedly connected with the sliding mode (22), and a telescopic device (32) is arranged on one side of the hydraulic rod (31).
4. The die fixing device for manufacturing a precoated sand core according to claim 2, characterized in that: the demolding assembly (40) comprises a top mold rod (41) which is slidably connected with the sliding mold (22) through a demolding hole (24), a spring (42) is sleeved on the periphery of the top mold rod (41), and the spring (42) is arranged between the side wall of the mounting frame (11) and the sliding mold (22).
5. The mold fixing device for manufacturing a precoated sand core according to claim 1, wherein: the conveying assembly (50) comprises a plurality of roller shafts (51) which are arranged side by side, and conveying belts (52) are wrapped on the peripheries of the roller shafts (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321251845.9U CN219665050U (en) | 2023-05-23 | 2023-05-23 | Mould fixing device is used in tectorial membrane sand psammitolite preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321251845.9U CN219665050U (en) | 2023-05-23 | 2023-05-23 | Mould fixing device is used in tectorial membrane sand psammitolite preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219665050U true CN219665050U (en) | 2023-09-12 |
Family
ID=87894669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321251845.9U Active CN219665050U (en) | 2023-05-23 | 2023-05-23 | Mould fixing device is used in tectorial membrane sand psammitolite preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219665050U (en) |
-
2023
- 2023-05-23 CN CN202321251845.9U patent/CN219665050U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |