CN216502244U - Dust-free sand box for lost foam casting - Google Patents
Dust-free sand box for lost foam casting Download PDFInfo
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- CN216502244U CN216502244U CN202123067186.7U CN202123067186U CN216502244U CN 216502244 U CN216502244 U CN 216502244U CN 202123067186 U CN202123067186 U CN 202123067186U CN 216502244 U CN216502244 U CN 216502244U
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Abstract
The utility model provides a dust-free sand box for lost foam casting. The dust-free sand box for lost foam casting comprises a sand box; the sand receiving box is arranged at the bottom of the sand box; the blocking plate is installed on the inner wall of the sand receiving box in a sliding mode, and one end of the blocking plate extends out of the sand receiving box; the mounting plate is fixedly mounted on the inner wall of the sand box; the through grooves are formed in the top of the mounting plate; the connecting plates are fixedly arranged on the inner walls of the through grooves respectively; the through holes are respectively formed in the tops of the connecting plates; and the hinged plates are fixedly arranged at the bottom of the mounting plate. The dust-free sand box for lost foam casting provided by the utility model has the advantages of convenience in operation, capability of avoiding dust from rising and improving the sand discharging efficiency when the sand box discharges sand.
Description
Technical Field
The utility model relates to the technical field of lost foam casting, in particular to a dust-free sand box for lost foam casting.
Background
The lost foam casting is the most advanced mould casting technique at present, and is a novel casting method which comprises the steps of bonding foam models with similar sizes and shapes to form a model cluster, coating refractory paint, drying, burying in dry quartz molding sand for vibration modeling, pouring under negative pressure to gasify the model, enabling liquid metal to occupy the position of the model, solidifying and cooling to form a gradual model cluster.
Wherein bury sand molding and be wherein especially important one step, need use the sand box in this step, sand box among the prior art need pour the molding sand wherein after the casting is accomplished, conveniently take out casting finished product spare wherein on the one hand, on the other hand need handle the convenient use that recycles to the molding sand wherein, but at present at the in-process of sand box sand discharge, it is direct to overturn the sand box through the hoist engine mostly, such operation can raise a large amount of dusts when the sand discharge, not only can make the very abominable of whole operational environment change like this, influence staff's health, the sand discharge of direct formula of pouring simultaneously, also make things convenient for the collection of later stage to the molding sand, influence work efficiency.
Therefore, it is necessary to provide a new dust-free sand box for lost foam casting to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of providing the dust-free sand box for lost foam casting, which is convenient to operate, can avoid dust from rising when the sand box discharges sand, and improves the sand discharging efficiency.
In order to solve the technical problem, the utility model provides a dust-free sand box for lost foam casting, which comprises: a sand box; the sand receiving box is arranged at the bottom of the sand box; the blocking plate is slidably mounted on the inner wall of the sand receiving box, and one end of the blocking plate extends out of the sand receiving box; the mounting plate is fixedly mounted on the inner wall of the sand box; the plurality of through grooves are formed in the top of the mounting plate; the connecting plates are fixedly arranged on the inner walls of the through grooves respectively; the through holes are respectively formed in the tops of the connecting plates; the hinge plates are fixedly arranged at the bottom of the mounting plate; the plurality of plugs are fixedly mounted at the tops of the hinge plates respectively, and the tops of the plurality of plugs extend into the corresponding through holes.
Preferably, equal fixed mounting has the side case on the both sides outer wall of sand box, two all rotate on the one side inner wall that the side case is close to each other and install a plurality of pivots, it is a plurality of the one end of pivot all extends to in the sand box and with corresponding the both sides outer wall fixed connection of articulated slab, it is a plurality of the pivot is located two equal fixed mounting has the gear, two on the one end of side incasement equal fixed mounting has the pinion rack, two on the inner wall of side case the pinion rack all with corresponding a plurality of gear intermeshing.
Preferably, two slidable mounting has the push pedal on the top inner wall of side case and the bottom inner wall, two the pinion rack respectively with two one side outer wall fixed connection of push pedal, two equal fixed mounting has the pole that links up on the opposite side outer wall of push pedal, two the one end of linking the pole all extends to corresponding outside the side case.
Preferably, the outer walls of the two sides of the sand box are respectively and rotatably provided with a threaded cylinder, and one end of each of the two connecting rods respectively penetrates through the two threaded cylinders and is respectively and rotatably combined with the inner walls of the two threaded cylinders.
Preferably, fixed mounting has the box on the outer wall of one side of sand box, fixed mounting has the motor on the outer wall of one side of box, rotate on the both sides inner wall of box and install the rotary rod, the one end of rotary rod extends to outside the box and with the output shaft fixed connection of motor, fixed cover is equipped with two synchronous pulley two on the rotary rod, two all fixed cover is equipped with synchronous pulley one on the outer wall of a screw thread section of thick bamboo.
Preferably, the sand receiving box is fixedly mounted on the inner wall of the sand box through bolts.
Compared with the related art, the dust-free sand box for lost foam casting provided by the utility model has the following beneficial effects:
the utility model provides a dust-free sand box for lost foam casting, wherein in the lost foam casting process, a sand receiving box is arranged, a plurality of hinged plates are rotated during die turnover so as to discharge molding sand in the sand box, the dust can be reduced to the maximum extent through the shunting of a plurality of through holes, the discharged molding sand directly enters the sand receiving box, and the sand receiving box bearing the molding sand can be replaced with a replaceable sand receiving box for quick next casting.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of a dust-free sand box for lost foam casting provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a bottom cross-sectional view of the sand box of FIG. 1;
FIG. 4 is an enlarged view of the portion B shown in FIG. 3;
FIG. 5 is a side cross-sectional structural view of the side tank shown in FIG. 1.
Reference numbers in the figures: 1. a sand box; 2. receiving a sand box; 3. a barrier plate; 5. mounting a plate; 6. a through groove; 7. a connecting plate; 8. a through hole; 9. a hinge plate; 10. a plug; 11. a side box; 12. a rotating shaft; 13. a toothed plate; 14. a gear; 15. a connecting rod; 16. a threaded barrel; 17. a box body; 18. a motor; 19. rotating the rod; 20. a synchronous belt wheel I; 21. and a second synchronous pulley.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1-5, fig. 1 is a schematic structural view of a preferred embodiment of a dust-free sand box for lost foam casting according to the present invention; FIG. 2 is an enlarged view of portion A of FIG. 1; FIG. 3 is a bottom cross-sectional view of the sand box of FIG. 1; FIG. 4 is an enlarged view of the portion B shown in FIG. 3; FIG. 5 is a side cross-sectional structural view of the side tank shown in FIG. 1. The dust-free sand box for lost foam casting comprises: an air exhaust pipe is fixedly arranged on the outer wall of one side of the sand box 1 and is used for connecting a negative pressure paint pump to carry out vacuum treatment on the interior of the sand box 1; the sand receiving box 2 is arranged at the bottom of the sand box 1, four rotating wheels are arranged on the outer wall of the sand receiving box 2, and when the sand receiving box 2 and the sand box 1 are fixed into a whole, the sand box 1 can be transferred by pushing the sand receiving box 2; the blocking plate 3 is slidably mounted on the inner wall of the sand receiving box 2, one end of the blocking plate 3 extends out of the sand receiving box 2, and the blocking plate 3 can seal the sand receiving box 2 after the molding sand in the sand box 1 completely falls into the sand receiving box 2 so as to prevent dust from being raised; the mounting plate 5 is fixedly mounted on the inner wall of the sand box 1; the through grooves 6 are all arranged at the top of the mounting plate 5, the through grooves 6 are all through grooves, and the upper half parts of the inner walls of two sides of any one through groove 6 are all arranged as inclined planes, so that the sand leaking rate can be increased, and the molding sand in the sand box 1 can be completely discharged; the connecting plates 7 are respectively and fixedly arranged on the inner walls of the through grooves 6, and the positions where the connecting plates 7 are fixed are below the inner inclined surfaces of the through grooves 6; the through holes 8 are respectively formed in the tops of the connecting plates 7, the upper half parts of the inner walls of the through holes 8 are all in an annular bucket shape, so that sand leakage efficiency can be improved, and dust can be effectively prevented from being raised through sand discharge of the through holes 8; the hinge plates 9 are fixedly arranged at the bottom of the mounting plate 5; a plurality of end caps 10, it is a plurality of end cap 10 fixed mounting is a plurality of respectively the top of articulated slab 9 is a plurality of the top of end cap 10 all extends to corresponding in the through-hole 8, end cap 10 is the rubber end cap, can produce deformation to a certain extent when receiving pressure to end cap 10 agrees with through-hole 8 mutually, can seal through end cap 10 through-hole 8 to make the moulding in-process molding sand of lost foam jolt ramming can not spill.
The outer walls of two sides of the sand box 1 are fixedly provided with side boxes 11, the inner wall of one side, close to each other, of each of the two side boxes 11 is rotatably provided with a plurality of rotating shafts 12, one ends of the plurality of rotating shafts 12 extend into the sand box 1 and are fixedly connected with the outer walls of two sides of the corresponding hinged slab 9, one ends, located in the two side boxes 11, of the plurality of rotating shafts 12 are fixedly provided with gears 14, the inner walls of the two side boxes 11 are fixedly provided with toothed plates 13, the two toothed plates 13 are mutually meshed with the corresponding plurality of gears 14, the toothed plates 13 are driven to transversely move, so that the plurality of gears 14 are driven to rotate, finally, the rotation of the plurality of hinged slabs 9 is realized, the plurality of plugs 10 are respectively rotated out from the plurality of through holes 8, the sand discharging effect is realized, and the plurality of plugs 10 can respectively enter the through holes 8 during the reverse rotation, thereby enclosing the entire mounting plate 5.
The top inner walls and the bottom inner walls of the two side boxes 11 are provided with push plates in a sliding manner, the two toothed plates 13 are respectively fixedly connected with the outer wall on one side of the two push plates, the outer wall on the other side of the two push plates is respectively and fixedly provided with a connecting rod 15, one end of each of the two connecting rods 15 extends out of the corresponding side box 11, the inner walls on the top and the bottom of the two side boxes 11 are respectively provided with a slide way, each connecting rod 15 is a commonly-used threaded transmission rod, the tops and the bottoms of the two push plates are respectively and fixedly provided with a slide block, and the slide blocks are connected with the inner walls of the slide ways in a sliding manner, the two push plates and the toothed plate 13 can be effectively limited, so that the toothed plate 13 is ensured to always keep horizontal and transverse sliding, the toothed plate 13 is tightly meshed with the gear 14, meanwhile, the connecting rod 15 can be limited, so that the connecting rod 15 can only keep horizontal transverse movement.
The sand box comprises a sand box body 1, threaded cylinders 16 are rotatably mounted on the outer walls of two sides of the sand box body 1, one ends of two connecting rods 15 penetrate through the two threaded cylinders 16 respectively and are screwed with the inner walls of the two threaded cylinders 16 respectively, internal threads matched with the connecting rods 15 are formed in the inner walls of the threaded cylinders 16, and when the connecting rods 15 rotate with the connecting rods 15, the connecting rods 15 can only horizontally and transversely move under the transmission of the internal threads due to the limiting effect of a push plate, so that the subsequent transmission is completed.
Fixed mounting has box 17 on the outer wall of one side of sand box 1, fixed mounting has motor 18 on the outer wall of one side of box 17, rotate on the both sides inner wall of box 17 and install rotary rod 19, rotary rod 19's one end extend to box 17 outer and with motor 18's output shaft fixed connection, fixed cover is equipped with two synchronous pulley two 21 on the rotary rod 19, two it is equipped with synchronous pulley one 20 all to fix the cover on the outer wall of a screw thread section of thick bamboo 16, two synchronous pulley one 20 respectively with corresponding synchronous pulley two 21 on all twine driving belt, through driving belt's transmission effect, when motor 18 starts, rotary rod 19 rotates and can drive two screw thread sections of thick bamboo 16 and rotate.
Connect sand box 2 through bolt fixed mounting on the inner wall of sand box 1, all set up flutedly on the both sides inner wall of sand box 1 as shown in fig. 2, the bottom of two recesses is all established to the opening, connects equal fixed mounting on the both sides outer wall of sand box 2 to have the fixed block, all sets up threaded hole on the one side outer wall that two fixed blocks kept away from each other, and the mode butt joint sand box 2 through bolt screw in screw hole is fixed.
The working principle of the dust-free sand box for lost foam casting provided by the utility model is as follows:
after the lost foam casting is finished, when the molding sand in the middle point of the sand box 1 needs to be discharged, firstly, a worker can transversely pull the blocking plate 3, the blocking plate 3 transversely moves and is not in a closed state to connect with the sand box 2, then the motor 18 is started, the motor 18 starts the output shaft to rotate to drive the rotating rod 19 to rotate, the rotating rod 19 rotates to drive the two synchronous belt wheels 21 to rotate, under the transmission effect of the two transmission belts, the two synchronous belt wheels 21 respectively drive the two threaded cylinders 16 to rotate, so that the two connecting rods 15 transversely move, the two push plates and the two toothed plates 13 are further pushed to transversely move, finally, the plurality of gears 14 are driven to rotate, the corresponding two gears 14 drive the hinged plates 9 to rotate when rotating, so that the plurality of plugs 10 are not in a closed state to the corresponding through holes 8, at the moment, the molding sand in the sand box 1 falls along the through grooves 6 and is discharged into the sand box 2 after being shunted by the plurality of through holes 8, thereby completing the sand discharge operation.
After the sand discharge is finished, the hinged plates 9 can rotate reversely only by the reverse phase starting motor 18, finally the through holes 8 are closed again, the blocking plate 3 can be pushed reversely at the moment, the sand receiving box 2 is closed by the blocking plate 3, the carrying is convenient, then the bolt is twisted, the sand receiving box 2 is detached from the sand box 1, and the sand receiving box 2 for replacement can be cast next time.
Compared with the related art, the dust-free sand box for lost foam casting provided by the utility model has the following beneficial effects:
the utility model provides a dust-free sand box for lost foam casting, wherein in the lost foam casting process, a sand receiving box 2 is arranged, a plurality of hinged plates 9 are rotated during die turnover to discharge molding sand in the sand box 1, the dust can be reduced to the maximum extent through the shunting of a plurality of through holes 8, the discharged molding sand directly enters the sand receiving box 2, and the sand receiving box 2 for bearing the molding sand can be replaced with a replaced sand receiving box 2 for quick next casting after being detached.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A dust-free sand box for lost foam casting is characterized by comprising:
a sand box;
the sand receiving box is arranged at the bottom of the sand box;
the blocking plate is slidably mounted on the inner wall of the sand receiving box, and one end of the blocking plate extends out of the sand receiving box;
the mounting plate is fixedly mounted on the inner wall of the sand box;
the plurality of through grooves are formed in the top of the mounting plate;
the connecting plates are fixedly arranged on the inner walls of the through grooves respectively;
the through holes are respectively formed in the tops of the connecting plates;
the hinge plates are fixedly arranged at the bottom of the mounting plate;
the plurality of plugs are fixedly mounted at the tops of the hinge plates respectively, and the tops of the plurality of plugs extend into the corresponding through holes.
2. The dust-free sand box for lost foam casting of claim 1, wherein the outer walls of two sides of the sand box are fixedly provided with side boxes, the inner wall of one side of each of the two side boxes close to each other is rotatably provided with a plurality of rotating shafts, one ends of the plurality of rotating shafts extend into the sand box and are fixedly connected with the outer walls of two sides of the corresponding hinged plate, one ends of the plurality of rotating shafts located in the two side boxes are fixedly provided with gears, the inner walls of the two side boxes are fixedly provided with toothed plates, and the two toothed plates are mutually meshed with the corresponding plurality of gears.
3. The dust-free sand box for lost foam casting according to claim 2, wherein push plates are slidably mounted on the top inner wall and the bottom inner wall of the two side boxes, the two toothed plates are respectively and fixedly connected with the outer wall of one side of the two push plates, an engaging rod is fixedly mounted on the outer wall of the other side of the two push plates, and one end of each of the two engaging rods extends out of the corresponding side box.
4. A dust-free sand box for lost foam casting according to claim 3, wherein threaded cylinders are rotatably mounted on both outer walls of the sand box, and one end of each of the two connecting rods extends through the two threaded cylinders and is screwed with the inner walls of the two threaded cylinders.
5. The dust-free sand box for lost foam casting according to claim 4, wherein a box body is fixedly arranged on the outer wall of one side of the sand box, a motor is fixedly arranged on the outer wall of one side of the box body, rotating rods are rotatably arranged on the inner walls of two sides of the box body, one end of each rotating rod extends out of the box body and is fixedly connected with an output shaft of the motor, two synchronous pulleys II are fixedly sleeved on the rotating rods, and a synchronous pulley I is fixedly sleeved on the outer wall of each of the two threaded cylinders.
6. A dust-free molding box for lost foam casting according to claim 1, wherein said flask is fixedly mounted on the inner wall of the molding box by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123067186.7U CN216502244U (en) | 2021-12-08 | 2021-12-08 | Dust-free sand box for lost foam casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123067186.7U CN216502244U (en) | 2021-12-08 | 2021-12-08 | Dust-free sand box for lost foam casting |
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| Publication Number | Publication Date |
|---|---|
| CN216502244U true CN216502244U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123067186.7U Active CN216502244U (en) | 2021-12-08 | 2021-12-08 | Dust-free sand box for lost foam casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022923A (en) * | 2023-10-10 | 2023-11-10 | 青岛凯捷重工机械有限公司 | Self-discharging sand silo for lost foam molding processing |
-
2021
- 2021-12-08 CN CN202123067186.7U patent/CN216502244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022923A (en) * | 2023-10-10 | 2023-11-10 | 青岛凯捷重工机械有限公司 | Self-discharging sand silo for lost foam molding processing |
| CN117022923B (en) * | 2023-10-10 | 2024-01-16 | 青岛凯捷重工机械有限公司 | Self-discharging sand silo for lost foam molding processing |
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