CN117022923A - Self-discharging sand silo for lost foam molding processing - Google Patents
Self-discharging sand silo for lost foam molding processing Download PDFInfo
- Publication number
- CN117022923A CN117022923A CN202311300361.3A CN202311300361A CN117022923A CN 117022923 A CN117022923 A CN 117022923A CN 202311300361 A CN202311300361 A CN 202311300361A CN 117022923 A CN117022923 A CN 117022923A
- Authority
- CN
- China
- Prior art keywords
- sand
- lost foam
- bottom plate
- silo
- sealing rod
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 title claims abstract description 70
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 238000010097 foam moulding Methods 0.000 title claims abstract description 12
- 238000007599 discharging Methods 0.000 title abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 36
- 230000000694 effects Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010114 lost-foam casting Methods 0.000 claims 4
- 238000010030 laminating Methods 0.000 claims 1
- 239000006260 foam Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 244000035744 Hura crepitans Species 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/548—Large containers characterised by means facilitating filling or emptying by pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/14—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material
- B22C5/16—Equipment for storing or handling the dressed mould material, forming part of a plant for preparing such material with conveyors or other equipment for feeding the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a self-discharging sand silo for lost foam molding processing, which relates to the technical field of lost foam, and comprises a silo body and a bottom plate which is arranged in the silo body and is used for receiving sand, wherein a leak hole is vertically and thoroughly formed in the bottom plate and is also matched with the top end of a sealing rod of a hollow structure, the middle section of the sealing rod is arranged on the top wall of a bracket, the bottom wall of the bracket is connected with the output end of a first push rod which is fixed on the bottom wall of the silo body, the self-discharging sand silo for lost foam molding processing is redesigned, the internal structure of the silo is used for preventing incomplete evacuation of sand in the evacuation operation process, the bottom of the sand can be evacuated by using a plugging mechanism, meanwhile, the tiled sand can be more adhered to the surface of a special-shaped model by using further movement of the plugging mechanism, and the molding quality is effectively improved.
Description
Technical Field
The invention relates to the technical field of lost foam, in particular to a self-discharging sand silo for lost foam molding processing.
Background
The large-scale workpiece processing mode of marine industry related equipment is generally stamping, injection molding and mold forming, wherein the metal parts with complex and internal structures are generally manufactured by a lost foam processing mode, specifically, a foam material is used for cutting the metal parts into a workpiece model, the workpiece model is placed in a sand box, pouring operation can be performed after sand material is paved, the model is vaporized at high temperature by metal in a molten state, the metal forms a specified appearance in a space where the model disappears, and a storage bin is basic and core equipment for performing the operation;
the use of this kind of equipment generally needs to throw in a large amount of sand material in the feed bin to every processing operation all need carry out independent material throwing and getting the material operation, and under the circumstances that sand material volume is big, the volume of feed bin also needs corresponding increase, and the discharge of corresponding sand material just can be more difficult, exists in prior art to the means of being porous structure with the feed bin bottom plate design, but because sand material need carry out the negative pressure after throwing finishes and evacuates the operation, the sand material of card in the pore structure can't be fully evacuated, influences the shaping of follow-up work piece easily.
Disclosure of Invention
The invention aims to provide a self-discharging sand silo for lost foam molding processing, which aims to solve the problems that in the background art, under the condition of large sand quantity, the volume of the silo is required to be correspondingly increased, the corresponding sand discharge is more difficult, and in the prior art, the bottom plate of the silo is designed into a porous structure, but because the sand is required to be subjected to negative pressure evacuation operation after being put in, the sand clamped in the porous structure cannot be sufficiently evacuated, and the subsequent workpiece molding is easily influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a vanishing mould processing is from arranging sand feed bin, includes the storehouse body and sets up at the internal portion of storehouse and be used for accepting the bottom plate of sand material to the lateral wall of the storehouse body still is provided with and is located the bottom plate top and is used for the negative pressure to adsorb the negative pressure board of sand material, and the micropore on negative pressure board surface is used for linking to each other with negative pressure equipment and aspirates the air in the sand material, still contains the leak, the perpendicular through of leak is seted up on the bottom plate to the leak still coincides with hollow structure's seal rod top, seal rod's middle section then installs on the roof of support, and wherein the diapire of support links to each other with the first push rod output of fixing at the storehouse body diapire.
Further, the top wall of the support is provided with a vertically penetrating through hole, the bottom wall of the support is provided with a vertically penetrating blanking groove, a material box for receiving sand after use is arranged below the blanking groove, and a leakage-proof elastic belt is arranged between the side of the support and the bottom plate.
Further, the top end of the sealing rod is also provided with micropores communicated with the cavity inside the sealing rod, and the cavity is communicated with the negative pressure pipe.
Further, the upper end face of the bottom plate is provided with an elastic bottom layer in a fitting mode, the elastic bottom layer is provided with a leak hole corresponding to the bottom plate, the sealing rod is provided with a lifting mechanism, and the lifting mechanism is used for enabling the bottom layer of the corresponding area to be upwards protruded together with sand through upward movement of the sealing rod, and meanwhile sealing effect is guaranteed.
Further, the lifting mechanism comprises a first magnetic block and a second magnetic block, the second magnetic block is fixedly inlaid on the outer wall of the top end of the sealing rod, the first magnetic block is fixed in the inner wall of a leak hole formed in the bottom layer, and the contact surfaces of the two groups of magnetic blocks are mutually attracted.
Further, the below of closing rod is provided with the layer board, the bottom of layer board then links to each other with the output of second push rod, and the second push rod links to each other with actuating mechanism simultaneously, and actuating mechanism is used for removing the second push rod to the below of appointed closing rod.
Further, the driving mechanism comprises a first moving mechanism and a second moving mechanism, the two moving mechanisms are composed of a motor screw rod and a sliding rod, the first moving mechanism is used for driving the second push rod to move in the X-axis direction, and the second moving mechanism drives the first moving mechanism to integrally move in the Y-axis direction through a sliding seat.
Furthermore, the bin body is also provided with horizontally distributed reference bars at equal intervals, and the reference bars are used for determining the placement position of the model through the crossing positions of the longitudinal and transverse straight lines and providing comparison for the movement of the second push rod.
Further, the bottom plate is also provided with a vibration mechanism positioned on the lower end face of the bottom plate, the vibration mechanism is linked with the movement of the support, and the vibration mechanism is used for rapidly dropping sand materials in a vibration mode.
Further, the vibration mechanism comprises a cam and a transverse shaft for installing the cam, and a gear is installed on the transverse shaft and meshed with a rack vertically and fixedly installed on the upper end face of the support.
Compared with the prior art, the invention has the beneficial effects that: according to the self-discharging sand silo for lost foam molding processing, the inner structure of the silo is redesigned, the incomplete evacuation of sand materials in the evacuation operation process is prevented through the use of the plugging mechanism, the effect of evacuating from the bottom of the sand materials can be achieved through the plugging mechanism, meanwhile, the tiled sand materials can be enabled to be attached to the surface of a special-shaped model more through the further movement of the plugging mechanism, and the molding quality is effectively improved, and is particularly shown as follows;
1. the sealing rod and the bracket can correspondingly move under the drive of the first push rod, and the sealing of the leak hole in the sand material tiling process is realized by utilizing the anastomosis between the sealing rod and the leak hole, so that the problems in the prior art are effectively solved;
furthermore, the arrangement of the hollow structure of the sealing rod and the microporous structure at the top end can utilize the communication arrangement of the sealing rod and the negative pressure pipe, so that the sealing rod can be in a negative pressure state through the negative pressure pipe when the negative pressure equipment operates, and the plurality of distributed sealing rods are utilized to carry out evacuation operation from the bottom end of the sand material;
furthermore, due to the structural design of the bottom layer and the plurality of groups of magnetic blocks, the sealing rod at a designated position can independently move upwards under the drive of the second push rod, and the bottom layer at a corresponding position can be upwards protruded under the condition of ensuring sealing by utilizing the magnetic attraction principle between the magnetic blocks, so that sand materials at the corresponding position can be matched in the special-shaped surface of the model, and the processing quality of a workpiece is ensured;
2. the rack and the cam structure are used, so that the support can strike the bottom plate through rotation of the cam when moving, on one hand, the workpiece can be formed in a vibration mode, sand in the process of sand side by side can fall down rapidly, and on the other hand, sand can be evenly distributed through vibration in the process of sand tiling by utilizing repeated movement of the support.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a distribution structure of a base plate according to the present invention;
fig. 3 is a schematic bottom view of the bracket according to embodiment 1 of the present invention;
FIG. 4 is a schematic cross-sectional view of a stent according to embodiment 2 of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic elevational view of the seal rod of the present invention after a second upward movement;
FIG. 7 is a schematic diagram of the rack distribution structure of the present invention;
fig. 8 is a schematic view of the cam distribution structure of the present invention.
In the figure: 1. a bin body; 2. a bottom plate; 3. a negative pressure plate; 4. a leak hole; 5. sealing the rod; 6. a bracket; 7. a first push rod; 8. perforating; 9. discharging groove; 10. a magazine; 11. a supporting plate; 12. a reference bar; 13. a second push rod; 14. a first moving mechanism; 15. a second moving mechanism; 16. an elastic belt; 17. a first magnetic block; 18. a second magnetic block; 19. a cam; 20. a horizontal axis; 21. a gear; 22. a rack; 23. a bottom layer; 24. a negative pressure pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides the following technical solutions:
example 1: in this embodiment, in order to solve the problem existing in the prior art, therefore, a scheme is disclosed, specifically as shown in fig. 1-2, including the storehouse body 1 and the bottom plate 2 that is arranged in the storehouse body 1 and is used for accepting sand material, and the lateral wall of the storehouse body 1 still is provided with the negative pressure plate 3 that is located bottom plate 2 top and is used for negative pressure adsorbing sand material, the micropore on negative pressure plate 3 surface is used for linking to each other with negative pressure equipment and sucking out the air in the sand material, still contain leak hole 4, leak hole 4 vertically link up and set up on bottom plate 2, and leak hole 4 still coincide with hollow structure's sealing rod 5 top, sealing rod 5's middle section then installs on the roof of support 6, wherein the diapire of support 6 links to each other with the first push rod 7 output end that fixes at storehouse body 1 diapire, the roof of support 6 then is provided with the perforation 8 that vertically runs through, and the diapire of support 6 then is provided with the lower silo 9 that vertically runs through, the below of lower silo 9 is then be used for receiving the material box 10 that uses, simultaneously support 6 limit side and bottom plate 2 between be provided with leak protection area 16, the support 6 can not move in the side and bottom plate 2 simultaneously and can not move the side face that the support 6 is in the same place at the time and can not move the side face that the support 5 is moved simultaneously in the side face that the side 5 is in the side of support 5 and can's the side face is moved simultaneously and can's the side and the side face is moved to the side 5 to the side and the side is not move the side 5 to the side and the side 5 to the side.
Because all adopt side negative pressure adsorption's mode to get rid of the operation of air to the sand material among the prior art, sand material bottom area lacks corresponding negative pressure mechanism, lead to whole negative pressure adsorption efficiency relatively low, consequently in order to solve this problem, still disclose the following scheme in this embodiment, concrete as shown in fig. 3, seal the top of pole 5 and offered the micropore rather than inside cavity is linked together equally, this cavity is linked together with negative pressure pipe 24, seal pole 5 in this scheme not only can play the leak hole 4 shutoff effect when filling sand, still can be through the mode that links to each other negative pressure pipe 24 and negative pressure equipment, make seal pole 5 possess and carry out negative pressure adsorption's function from sand material bottom, thereby can cooperate the negative pressure adsorption mechanism's that the feed bin originally possesses use, carry out more efficient negative pressure adsorption operation to the sand material.
Example 2: in order to solve the problem, as shown in fig. 4-6, the upper end face of the bottom plate 2 is attached to an elastic bottom layer 23, the elastic bottom layer 23 is provided with a leak hole 4 corresponding to the bottom plate 2, and the sealing rod 5 is provided with a lifting mechanism for upwards protruding the bottom layer 23 of the corresponding area together with the sand material through upward movement of the sealing rod 5 and simultaneously ensuring the sealing effect, the lifting mechanism comprises a first magnetic block 17 and a second magnetic block 18, the second magnetic block 18 is fixedly inlaid on the outer wall of the top end of the sealing rod 5, the first magnetic block 17 is fixedly arranged in the inner wall of a leak hole 4 formed in the bottom layer 23, the contact surfaces of the two groups of magnetic blocks are mutually attracted, after the mould is placed on the flat sand material, if the bottom end is provided with an inner concave surface, the sealing rod 5 at the corresponding position can be further moved upwards, and because the sealing rod 5 is moved upwards to the normal position, the first magnetic block 17 and the second magnetic block 18 are in the mutually attracted state, that is to say, if the sealing rod 5 is continuously lifted upwards, the bottom layer 23 is driven to be upwards convexly deformed by the two groups of mutually attracted magnetic blocks, so that sand above the bottom layer 23 is driven to be synchronously anastomosed in the inner concave surface of the mould, and the subsequent forming quality of a workpiece is ensured.
In this technical scheme, how to drive the sealing rod 5 at the designated position to move upwards is disclosed in detail, as shown in fig. 4, the supporting plate 11 is disposed below the sealing rod 5, the bottom end of the supporting plate 11 is connected with the output end of the second pushing rod 13, meanwhile, the second pushing rod 13 is connected with a driving mechanism, the driving mechanism is used for moving the second pushing rod 13 to the lower side of the designated sealing rod 5, the driving mechanism includes a first moving mechanism 14 and a second moving mechanism 15, both moving mechanisms are composed of a motor screw and a sliding rod, the first moving mechanism 14 is used for driving the second pushing rod 13 to move in the X-axis direction, the second moving mechanism 15 drives the first moving mechanism 14 as a whole and the second pushing rod 13 to move in the Y-axis direction through a sliding seat, the horizontally distributed reference bars 12 are disposed on the bin body 1 at equal intervals, the reference bars 12 are used for determining the model placement position through the position crossing vertically and horizontally, after the model is placed at the designated position, the center position corresponds to the longitudinally and horizontally distributed reference bars 12 shown in fig. 1, each group of the two moving mechanisms is composed of a motor screw rod and a sliding rod, the first moving mechanism 14 is used for driving the second pushing rod 13 to move in the Y-axis direction, and the second pushing rod 13 is further moved to the designated position by the second pushing rod 13, and the second pushing rod can be further moved to the position by the operator, and the operator can be further moved to the position by the designated position by the moving mechanism.
Since the sand passes through the leak hole 4 relatively slowly in the discharging process, in order to increase the discharging speed, in this embodiment, as shown in fig. 7-8, a vibration mechanism located at the lower end face of the bottom plate 2 is further provided, the vibration mechanism is linked with the movement of the support 6, the vibration mechanism is used for rapid falling of the sand in a vibration manner, the vibration mechanism comprises a cam 19 and a cross shaft 20 for mounting the cam 19, a gear 21 is mounted on the cross shaft 20, the gear 21 is meshed with a rack 22 vertically and fixedly mounted at the upper end face of the support 6, and in the process of moving up and down the support 6, the cross shaft 20 is driven to be in a rotating state through the meshing between the rack 22 and the gear 21, so that in the process of operation, the cam 19 is in a rotating state synchronously, and the bottom plate 2 is repeatedly knocked through the rotation of the cam 19, so that the sand falls more in a vibration manner, and in the process of laying the sand, the support 6 can be repeatedly moved in a certain range, so that the sand distribution is more uniform.
It should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to the directions or positions based on the directions or positions shown in the drawings, and are merely for convenience in describing the present invention, and are not intended to indicate or imply that the apparatus or element referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the protection of the present invention, standard parts used in the present invention may be purchased from the market, special parts may be customized according to the descriptions of the specification and the drawings, and the specific connection manners of the parts may be conventional manners in the prior art, such as bolts, rivets, welding, etc., and the mechanical, part and apparatus are conventional manners in the prior art, and the circuit connection is also conventional manners in the prior art, which are not further described herein.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a vanishing mould processing is from arranging sand feed bin, includes the storehouse body (1) and sets up in the inside bottom plate (2) that are used for accepting sand material of storehouse body (1) to the lateral wall of storehouse body (1) still is provided with and is located bottom plate (2) top and is used for negative pressure to adsorb negative pressure plate (3) of sand material, and the micropore on negative pressure plate (3) surface is used for linking to each other with negative pressure equipment and aspirates the air in the sand material, its characterized in that: still contain leak (4), the perpendicular seting up on bottom plate (2) of leak (4) to leak (4) still coincide with hollow structure's sealing rod (5) top, the middle section of sealing rod (5) then installs on the roof of support (6), and wherein the diapire of support (6) links to each other with the output of first push rod (7) of fixing at the storehouse body (1) diapire.
2. The lost foam molding process self-draining sand silo of claim 1, wherein: the top wall of the support (6) is provided with a vertically penetrating through hole (8), the bottom wall of the support (6) is provided with a vertically penetrating blanking groove (9), a material box (10) for receiving sand materials after use is arranged below the blanking groove (9), and a leakage-proof elastic belt (16) is arranged between the side of the support (6) and the bottom plate (2).
3. The lost foam molding process self-draining sand silo of claim 1, wherein: the top end of the sealing rod (5) is also provided with micropores communicated with an internal cavity thereof, and the cavity is communicated with a negative pressure pipe (24).
4. A lost foam molding process self-draining sand silo according to any of claims 1-3, wherein: the upper end face laminating of bottom plate (2) is provided with elasticity bottom layer (23), has seted up on this elasticity bottom layer (23) with corresponding leak (4) on bottom plate (2) to be provided with lifting mechanism on sealing rod (5), this lifting mechanism is used for upwards protruding together with sand material through the upward movement of sealing rod (5), makes bottom layer (23) in corresponding region, and guarantees sealed effect simultaneously.
5. The lost foam casting process self-draining sand silo of claim 4, wherein: the lifting mechanism comprises a first magnetic block (17) and a second magnetic block (18), the second magnetic block (18) is fixedly inlaid on the outer wall of the top end of the sealing rod (5), the first magnetic block (17) is fixedly arranged in the inner wall of a leak (4) formed in the bottom layer (23), and the contact surfaces of the two groups of magnetic blocks are mutually attracted.
6. The lost foam casting process self-draining sand silo of claim 5, wherein: the lower part of the sealing rod (5) is provided with a supporting plate (11), the bottom end of the supporting plate (11) is connected with the output end of the second push rod (13), meanwhile, the second push rod (13) is connected with a driving mechanism, and the driving mechanism is used for moving the second push rod (13) to the lower part of the appointed sealing rod (5).
7. The lost foam molding process self-draining sand silo of claim 6, wherein: the driving mechanism comprises a first moving mechanism (14) and a second moving mechanism (15), the two moving mechanisms are composed of motor screw rods and sliding rods, the first moving mechanism (14) is used for driving the second push rod (13) to move in the X-axis direction, and the second moving mechanism (15) drives the first moving mechanism (14) to integrally move in the Y-axis direction through a sliding seat.
8. The lost foam molding process self-draining sand silo of claim 7, wherein: and the bin body (1) is also provided with horizontally distributed reference bars (12) at equal intervals, and the reference bars (12) are used for determining the model placement position through the position of the crisscross straight line and providing comparison for the movement of the second push rod (13).
9. The lost foam casting process self-draining sand silo of claim 8, wherein: the bottom plate (2) is also provided with a vibration mechanism positioned on the lower end face of the bottom plate, the vibration mechanism is linked with the movement of the support (6), and the vibration mechanism is used for rapidly dropping sand materials in a vibration mode.
10. The lost foam casting process self-draining sand silo of claim 9, wherein: the vibration mechanism comprises a cam (19) and a transverse shaft (20) for mounting the cam (19), wherein a gear (21) is mounted on the transverse shaft (20), and the gear (21) is meshed with a rack (22) vertically and fixedly mounted on the upper end face of the bracket (6).
Priority Applications (1)
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CN202311300361.3A CN117022923B (en) | 2023-10-10 | 2023-10-10 | Self-discharging sand silo for lost foam molding processing |
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CN202311300361.3A CN117022923B (en) | 2023-10-10 | 2023-10-10 | Self-discharging sand silo for lost foam molding processing |
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CN117022923B CN117022923B (en) | 2024-01-16 |
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CN108971440A (en) * | 2018-08-20 | 2018-12-11 | 黟县新达机械铸造有限公司 | A kind of lost foam casting sandbox |
CN211888901U (en) * | 2020-03-02 | 2020-11-10 | 无锡市千柏材料科技有限责任公司 | Sand box for lost foam casting |
CN111842799A (en) * | 2020-07-06 | 2020-10-30 | 金文应 | Automobile longitudinal beam forming die |
CN213613993U (en) * | 2020-10-28 | 2021-07-06 | 西安建筑科技大学 | Negative pressure formula lost foam casting sand box |
CN216502244U (en) * | 2021-12-08 | 2022-05-13 | 梅州华和精密工业有限公司 | Dust-free sand box for lost foam casting |
CN218134795U (en) * | 2022-09-28 | 2022-12-27 | 湖北荣盛模具材料有限公司 | Investment precision casting device for alloy steel processing |
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