CN116944419B - Sand casting sand spreading device and use method - Google Patents
Sand casting sand spreading device and use method Download PDFInfo
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- CN116944419B CN116944419B CN202310733635.1A CN202310733635A CN116944419B CN 116944419 B CN116944419 B CN 116944419B CN 202310733635 A CN202310733635 A CN 202310733635A CN 116944419 B CN116944419 B CN 116944419B
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- 239000004576 sand Substances 0.000 title claims abstract description 169
- 238000003892 spreading Methods 0.000 title claims abstract description 75
- 230000007480 spreading Effects 0.000 title claims abstract description 70
- 238000007528 sand casting Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 244000035744 Hura crepitans Species 0.000 claims description 49
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/12—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose for filling flasks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a sand casting sand paving device and a using method thereof, wherein the sand casting sand paving device comprises a bottom plate and a drag flask, an upper frame is arranged at the top of the bottom plate, a driving mechanism is arranged on the upper frame and used for driving the drag flask to horizontally reciprocate, a sand paving component is arranged in the drag flask and comprises a sand leakage cylinder which is slidably connected in the inner wall of the drag flask and a sand paving inclined hopper below the sand leakage cylinder, a connecting rod is fixedly connected to the outer side of the sand leakage cylinder, a flattening component is fixedly connected to the bottom of the connecting rod, a vibration component is arranged at the outer side end of the connecting rod and the upper frame together, and the vibration component cooperates with the horizontal reciprocating motion of the drag flask to enable the flattening component to shake and flatten casting sand and finish subsequent sand paving of the sand paving component. The invention can finish the action steps of spreading and sand spreading simultaneously, thereby greatly improving the overall working efficiency.
Description
Technical Field
The invention belongs to the technical field of sand casting, and particularly relates to a sand casting sand spreading device for sand casting and a using method.
Background
Sand casting refers to a casting process that produces castings in sand molds. Steel, iron and most nonferrous alloy castings are obtained by sand casting methods. Because the molding materials used for sand casting are cheap and easy to obtain, the casting mold is simple and convenient to manufacture, and is suitable for single-piece production, batch production and mass production of castings, and the casting mold is a basic process and a common process in casting production for a long time.
Firstly, manufacturing a sand mould in a sand box, continuously compacting and flattening casting sand in the sand box in the sand mould manufacturing process, then carrying out supplementary sand laying of the casting sand, and continuously compacting and flattening, so that the casting sand in the sand box is tighter, and the stability of the sand mould is ensured.
In the prior art, the sand mould manufacturing process can be divided into two major categories, namely manual molding and machine molding, but the compaction flattening step and the supplementary sand paving step in the sand mould manufacturing process are always separated, and the repeated switching of the steps is time-consuming and labor-consuming, so that the overall working efficiency of manufacturing the sand mould is not high.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the following technical scheme:
The utility model provides a sand casting foundry sand spreading device, includes bottom plate and drag flask, the top of bottom plate is provided with the upper frame, be provided with actuating mechanism on the upper frame and be used for driving drag flask horizontal reciprocating motion, the inside of drag flask is provided with the shop sand subassembly, the shop sand subassembly includes the inclined hopper of shop sand of leak sand section of thick bamboo and leak sand section of thick bamboo below in sliding connection in drag flask inner wall, leak the bottom inner wall of sand section of thick bamboo and be provided with the toper arch, leak the outside fixedly connected with connecting rod of sand section of thick bamboo, the bottom fixedly connected with of connecting rod shakes the subassembly, be provided with vibration subassembly jointly on the outside end of connecting rod and the upper frame, vibration subassembly cooperation drag flask's horizontal reciprocating motion makes the follow-up shop sand of spreading the subassembly of spreading the foundry sand of spreading of the shake.
In the invention, firstly, a certain amount of casting sand is placed in a drag flask; the driving mechanism can drive the lower sand box to horizontally reciprocate, and the lower sand box horizontally moves, and meanwhile, the connecting rod can be driven to move and vibrate up and down under the action of the vibration assembly, so that the lower sand box, the sand spreading assembly, the flattening assembly and other components are driven to move and vibrate up and down, the flattening assembly moves and vibrates up and down to shake and flatten casting sand on the sand box, the sand spreading assembly moves and vibrates up and down to enable casting sand inside the lower sand box to continuously perform subsequent sand spreading on the flattened top of the sand box through the sand leakage cylinder and along the sand spreading inclined hopper, and accordingly the action steps of spreading and spreading sand are completed simultaneously, and the overall working efficiency is greatly improved. Through setting up the toper arch, can prick garrulous the inside foundry sand of drag flask when it shakes along with hourglass sand section of thick bamboo from top to bottom, avoid foundry sand to block up the hourglass sand hole of hourglass sand section of thick bamboo bottom. In the invention, the drag flask is driven to horizontally move only by the electric driving mechanism, and the steps of flattening and sanding do not need an additional power source for driving, so that the manufacturing cost and the use cost of the device are greatly saved.
As a preferable aspect of the above-described technology, the upper frame includes:
The upper frame plate is fixedly connected to the top of the bottom plate;
the side frame plate is positioned right above the bottom plate;
And the connecting strip is used for fixedly connecting the upper frame plate and the side frame plate.
The upper frame plays a role of supporting the frame, so that the driving mechanism, the vibration assembly, the drag flask and other components can be conveniently installed and fixed.
As the preference of above-mentioned technical scheme, actuating mechanism includes fixed mounting on the upper frame board lateral wall driving motor, driving motor's output shaft fixedly connected with reciprocating screw, and the peripheral rotation of reciprocating screw is connected with the lead screw cover, and the bottom fixedly connected with rolling disc of lead screw cover, and rolling disc and the top rotation connection of drag flask.
The driving mechanism is mainly used for driving the drag flask to horizontally reciprocate, and the working principle is as follows: the driving motor works to drive the reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive the screw rod sleeve to horizontally reciprocate, and the lower sand box is driven to horizontally reciprocate under the connection of the rotating disc.
As the preference of above-mentioned technical scheme, the equal fixedly connected with boss in both sides of screw sleeve, the bottom of boss is fixed mutually with the top of rolling disc, and the top sliding connection of boss is on the top inner wall of last framed board.
Through setting up the boss and not only having connected last framed board and rolling disc, reduced the drag flask and the connecting element is to the pulling down burden of lead screw cover, plays simultaneously to the effect of the whole motion direction of members such as lead screw cover, drag flask, guarantees its structural stability when horizontal migration.
As the optimization of the technical scheme, the bottom of the drag flask is fixedly connected with a plurality of fixing ribs, and the other ends of the fixing ribs are fixed with the outer wall of the sand spreading inclined hopper;
rectangular guide holes are formed in the outer side wall of the drag flask, and the connecting rods movably penetrate through the rectangular guide holes.
The fixing ribs are arranged to play a role in connecting the drag flask and the sand-spreading inclined hopper, so that the structural stability of the sand-spreading inclined hopper during sand discharging is ensured; through setting up the rectangle guiding hole, play the structure guide effect to vibrations about components such as connecting rod, further guarantee the structural stability when vibrations about it.
As the optimization of the technical scheme, the flattening component comprises a connecting lath and a flattening plate, wherein the top end of the connecting lath is fixed with the bottom of the connecting rod, and the bottom of the connecting lath is fixedly connected with the upper surface of the flattening plate.
The connecting batten is used for connecting the connecting rod and the flattening plate, and the flattening plate is used for flattening casting sand on the upper surface of the sand box.
As a preferable aspect of the foregoing technical solution, the vibration assembly includes:
the inner groove plate is fixedly arranged on the inner side wall of the side frame plate;
the one end fixed connection of axostylus axostyle is on the outside end of connecting rod, and the peripheral cover of turning of the other end of axostylus axostyle is equipped with the runner, and the external diameter and the interior frid phase-match of runner.
In the invention, when the drag flask is driven by the driving mechanism to move horizontally, the rotating wheel is clamped into the inner groove of the inner groove plate and rolls in the groove, and the inner groove is wavy, so that the components such as the connecting rod, the sand leakage cylinder, the flattening component and the like can be driven to vibrate synchronously up and down while moving horizontally, and the action steps of flattening and spreading sand are realized simultaneously.
As a preferable aspect of the above-mentioned technical solution, the drag flask and the upper frame are provided with a rotating assembly, and the rotating assembly includes:
The toothed plates are fixedly arranged on the inner side walls of the side frame plates, and the two toothed plates are arranged in an opposite direction;
the half-toothed ring is fixedly sleeved on the periphery of the drag sand box and meshed with the toothed plate.
When the members such as the drag flask, the sand spreading assembly and the flattening assembly move horizontally to two sides as a whole, the rotating wheel rolls out of the inner groove plate, so that vibration guiding of the wave-shaped inner groove of the inner groove plate is reduced, and casting sand in the drag flask can be reduced from falling from the sand spreading assembly; meanwhile, the half-toothed ring is meshed with the toothed plate, and the toothed gear is meshed to drive the members such as the drag flask, the sand spreading assembly and the flattening assembly to integrally rotate 180 degrees, so that the U-turn of the positions of the flattening plate and the sand spreading inclined hopper is realized, and when the members such as the drag flask, the sand spreading assembly and the flattening assembly are driven by the driving mechanism to integrally move towards backwater, the casting sand on the sand flask can be flattened and spread by a further wheel, and the overall working efficiency is further improved. And because the whole of the components such as the drag flask, the sand spreading component and the flattening component is designed into a U-shaped structure, the rotating disc is in rotating connection with the top of the drag flask, when the whole of the components moves horizontally, the rotating wheel is clamped into the inner groove of the inner groove plate, the whole of the components such as the drag flask, the sand spreading component and the flattening component can be prevented from rotating when moving horizontally, and after the U-shaped component is turned around, the two ends of the inner groove plate are designed into horn-shaped openings, so that the rotating wheel can conveniently reenter the inner groove of the inner groove plate, and the running reliability of the device is further ensured.
As the preference of above-mentioned technical scheme, the top of bottom plate is provided with fixture, and fixture includes fixed riser of fixed connection at the bottom plate top, and the outside fixedly connected with hollow slab of fixed riser, the inner wall sliding connection of hollow slab have the sliding plate, and the inboard fixedly connected with extrusion rod of sliding plate, the other end of extrusion rod run through fixed riser and fixedly connected with splint, and the outside fixedly connected with pull rod and the spring of sliding plate, and the one end that the sliding plate was kept away from to the spring and the inside wall of hollow slab are fixed mutually.
According to the invention, the clamping mechanism is arranged for clamping and fixing the sand box, so that the stability of the sand box during vibration flattening of casting sand by the follow-up flattening component and sanding by the sanding component is ensured, and the operation method comprises the following steps: the two pull rods are pulled outwards, the two clamping plates are driven to move towards the direction of being away from each other, then the sand box is placed in the right center position between the two clamping plates, then the pull rods are loosened, and the clamping plates can be driven to clamp the middle sand box under the action of the resilience force of the springs, so that the clamping and fixing of the sand box are completed.
The application method of the sand casting sand spreading device is applied to the sand casting sand spreading device and comprises the following steps:
S1, fixing a sand box: firstly, placing a sand box on the top of a bottom plate, clamping and fixing the sand box through a clamping mechanism, and guaranteeing stability of the sand box when a follow-up flattening assembly shakes and flattens casting sand and a sand paving assembly shakes;
S2, initially filling casting sand: filling casting sand into the sand box, and making the casting sand filled into the sand box slightly higher than the top of the sand box;
S3, spreading and sanding the casting sand: through the driving motor in the operation actuating mechanism, can drive the horizontal reciprocating motion of drag flask, shake the horizontal reciprocating motion of subassembly cooperation drag flask makes the shake-out subassembly shake out casting sand and accomplishes the follow-up sand of spreading sand subassembly simultaneously.
The beneficial effects of the invention are as follows:
1. In the invention, firstly, a certain amount of casting sand is placed in a drag flask; the driving mechanism can drive the lower sand box to horizontally reciprocate, and the lower sand box horizontally moves, and meanwhile, the connecting rod can be driven to move and vibrate up and down under the action of the vibration assembly, so that the lower sand box, the sand spreading assembly, the flattening assembly and other components are driven to move and vibrate up and down, the flattening assembly moves and vibrates up and down to shake and flatten casting sand on the sand box, the sand spreading assembly moves and vibrates up and down to enable casting sand inside the lower sand box to continuously perform subsequent sand spreading on the flattened top of the sand box through the sand leakage cylinder and along the sand spreading inclined hopper, and accordingly the action steps of spreading and spreading sand are completed simultaneously, and the overall working efficiency is greatly improved.
2. According to the invention, only the electric driving mechanism is required to drive the drag flask to horizontally move, and the steps of flattening and sanding do not need an additional power source for driving, so that the manufacturing cost and the use cost of the device are greatly saved.
3. According to the invention, by arranging the rotating assembly, when the driving mechanism drives the members such as the drag flask, the sand spreading assembly and the flattening assembly to move horizontally back to water, a wheel of action steps of flattening and spreading the casting sand on the sand flask can be carried out, so that the overall working efficiency is further improved. When the members such as the drag flask, the sand spreading assembly and the flattening assembly move horizontally integrally, the rotating wheel is clamped into the inner groove of the inner groove plate, so that the members such as the drag flask, the sand spreading assembly and the flattening assembly can be prevented from rotating integrally when moving horizontally, and after turning around, the two ends of the inner groove plate are designed to be horn-shaped openings, so that the rotating wheel can enter the inner groove of the inner groove plate again, and the running reliability of the device is further ensured.
Drawings
Fig. 1 shows a schematic perspective view of the device according to the invention;
FIG. 2 shows a front view in cross-section of the device of the present invention;
FIG. 3 is a schematic top perspective view of the drag flask of the apparatus of the present invention;
FIG. 4 is a schematic bottom perspective view of the drag flask of the apparatus of the present invention;
FIG. 5 is a schematic view showing the internal structure of the drag flask in the apparatus of the present invention;
FIG. 6 is a schematic view of the construction of the sanding assembly and flattening assembly of the apparatus of the present invention;
fig. 7 shows a schematic view of the structure of the clamping mechanism in the device of the invention.
Reference numerals
10. A bottom plate; 20. a clamping mechanism; 21. fixing a vertical plate; 22. a hollow slab; 23. a sliding plate; 24. a pull rod; 25. a spring; 26. an extrusion rod; 27. a clamping plate; 30. an upper frame; 31. an upper frame plate; 32. a side frame plate; 33. a connecting strip; 40. a driving mechanism; 41. a driving motor; 42. a reciprocating screw rod; 43. a screw rod sleeve; 44. a rotating disc; 45. a reinforcing block; 50. a vibration assembly; 51. an inner trough plate; 52. a shaft lever; 53. a rotating wheel; 61. a drag flask; 70. a sanding assembly; 71. a sand leakage cylinder; 72. spreading sand and inclined hopper; 73. a connecting rod; 74. fixing ribs; 75. a conical protrusion; 80. a rotating assembly; 81. a toothed plate; 82. a half-toothed ring; 90. a flattening assembly; 91. connecting the battens; 92. and (5) spreading the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
As shown in fig. 2,4 and 5, fig. 2 is a front sectional view of the apparatus of the present invention, fig. 4 is a bottom perspective view of the drag flask 61 of the apparatus of the present invention, and fig. 5 is a schematic view of the internal structure of the drag flask 61 of the apparatus of the present invention.
The utility model provides a sand casting foundry sand spreading device, including bottom plate 10 and drag flask 61, the top of bottom plate 10 is provided with upper frame 30, be provided with actuating mechanism 40 on upper frame 30 and be used for driving drag flask 61 horizontal reciprocating motion, the inside of drag flask 61 is provided with the shop sand subassembly 70, the shop sand subassembly 70 includes the hourglass sand section of thick bamboo 71 of sliding connection in drag flask 61 inner wall and the shop sand inclined bucket 72 of hourglass sand section of thick bamboo 71 below, the bottom inner wall of hourglass sand section of thick bamboo 71 is provided with toper arch 75, the outside fixedly connected with connecting rod 73 of hourglass sand section of thick bamboo 71, the bottom fixedly connected with of connecting rod 73 shakes subassembly 90, be provided with vibration subassembly 50 jointly on the outer end of connecting rod 73 and the upper frame 30, vibration subassembly 50 cooperates the horizontal reciprocating motion of drag flask 61 to make the follow-up shop sand of shop sand subassembly 70 when shakes the shake out foundry sand.
In the present invention, a certain amount of foundry sand is first placed in the drag flask 61; the driving mechanism 40 can drive the drag flask 61 to horizontally reciprocate, and the drag flask 61 can horizontally move and simultaneously drive the connecting rod 73 to move and vibrate up and down under the action of the vibration assembly 50, so that the drag flask 61, the sand spreading assembly 70, the flattening assembly 90 and other components are driven to move and vibrate up and down, the flattening assembly 90 moves and vibrates casting sand on the flask up and down, the sand spreading assembly 70 moves and vibrates up and down, casting sand in the drag flask 61 can be continuously paved on the top of the flattened flask through the sand leakage cylinder 71 and the sand spreading inclined hopper 72, and accordingly the action steps of spreading and spreading sand are completed simultaneously, and the overall working efficiency is greatly improved. By providing the tapered protrusion 75, it is possible to crush the foundry sand inside the drag flask 61 while vibrating up and down with the sand leakage cylinder 71, avoiding the foundry sand from blocking the sand leakage hole in the bottom of the sand leakage cylinder 71. In the invention, the drag flask 61 is driven to move horizontally only by the electric driving mechanism 40, and the steps of flattening and sanding do not need an additional power source for driving, so that the manufacturing cost and the use cost of the device are greatly saved.
As shown in fig. 1, fig. 1 shows a schematic perspective view of the device according to the invention.
The upper frame 30 includes: an upper frame plate 31, the upper frame plate 31 being fixedly connected to the top of the bottom plate 10; a side frame plate 32, the side frame plate 32 being located directly above the bottom plate 10; the connecting strip 33, the connecting strip 33 is used for fixedly connecting the upper frame plate 31 and the side frame plate 32.
In the invention, the upper frame 30 plays a role of supporting a frame, so that the driving mechanism 40, the vibration assembly 50, the drag flask 61 and other components can be conveniently installed and fixed.
As shown in fig. 1 and 2, fig. 1 is a schematic perspective view of the device of the present invention, and fig. 2 is a sectional view of the device of the present invention.
The driving mechanism 40 includes a driving motor 41 fixedly installed on the outer sidewall of the upper frame plate 31, an output shaft of the driving motor 41 is fixedly connected with a reciprocating screw 42, a screw sleeve 43 is rotatably connected to the periphery of the reciprocating screw 42, a rotating disc 44 is fixedly connected to the bottom of the screw sleeve 43, and the rotating disc 44 is rotatably connected to the top of the drag flask 61.
The driving mechanism 40 of the present invention is mainly used for driving the drag flask 61 to horizontally reciprocate, and its working principle is as follows: the driving motor 41 operates to drive the reciprocating screw rod 42 to rotate, the reciprocating screw rod 42 rotates to drive the screw rod sleeve 43 to horizontally reciprocate, and the drag flask 61 is driven to horizontally reciprocate under the connection of the rotating disc 44.
As shown in fig. 3, fig. 3 is a schematic top perspective view of a drag flask 61 of the apparatus of the present invention.
Both sides of the screw rod sleeve 43 are fixedly connected with a reinforcing block 45, the bottom end of the reinforcing block 45 is fixed with the top of the rotating disc 44, and the top end of the reinforcing block 45 is slidably connected to the top inner wall of the upper frame plate 31.
By arranging the reinforcing block 45, not only the upper frame plate 31 and the rotating disc 44 are connected, but also the pulling load of the drag flask 61 and the connecting members thereof on the screw rod sleeve 43 is reduced, and meanwhile, the function of guiding the overall movement of the screw rod sleeve 43, the drag flask 61 and other members is realized, so that the structural stability during the horizontal movement of the members is ensured.
As shown in FIG. 4, FIG. 4 is a schematic bottom perspective view of the drag flask 61 of the apparatus of the present invention.
The bottom of the drag flask 61 is fixedly connected with a plurality of fixing ribs 74, and the other ends of the fixing ribs 74 are fixed with the outer wall of the sand-spreading inclined hopper 72; the outer side wall of the drag flask 61 is provided with a rectangular guide hole through which the connecting rod 73 movably penetrates.
By providing the fixing ribs 74 to connect the drag flask 61 and the inclined sand-spreading hopper 72, the structural stability of the inclined sand-spreading hopper 72 during sand discharging is ensured; by arranging the rectangular guide holes, the structure guiding function of up-and-down vibration of the connecting rod 73 and other members is achieved, and the structural stability of the vertical vibration is further ensured.
As shown in FIG. 5, FIG. 5 is a schematic view showing the internal structure of the drag flask 61 of the apparatus of the present invention.
The leveling assembly 90 includes a connection plate 91 and a leveling plate 92, the top ends of the connection plate 91 are fixed to the bottom of the connection rod 73, and the bottom of the connection plate 91 is fixedly connected to the upper surface of the leveling plate 92.
In the present invention, the connecting strip 91 is used to connect the connecting rod 73 and the flattening plate 92, and the flattening plate 92 is used to flatten the casting sand on the upper surface of the flask.
As shown in fig. 2 and 6, fig. 2 is a front sectional view of the apparatus of the present invention, and fig. 6 is a schematic view of the sanding assembly 70 and the flattening assembly 90 of the apparatus of the present invention.
The vibration assembly 50 includes: an inner tub plate 51 fixedly installed on an inner sidewall of the side frame plate 32; the axostylus axostyle 52, the one end fixed connection of axostylus axostyle 52 is on the outside end of connecting rod 73, and the peripheral cover of the other end of axostylus axostyle 52 is equipped with runner 53 in the rotation, and the external diameter of runner 53 and interior slot board 51 phase-match.
In the present invention, when the drag flask 61 is horizontally moved by the driving mechanism 40, the rotating wheel 53 is caught in the inner groove of the inner groove plate 51 and rolls in the groove, and the inner groove is wavy, so that the connecting rod 73, the sand leakage cylinder 71, the flattening assembly 90 and other members can be driven to vibrate up and down synchronously while horizontally moving, thereby simultaneously realizing the action steps of flattening and spreading sand.
As shown in fig. 1 and 2, fig. 1 is a schematic perspective view of the device of the present invention, and fig. 2 is a sectional view of the device of the present invention.
The drag flask 61 and the upper frame 30 are cooperatively provided with a rotating assembly 80, and the rotating assembly 80 includes: the toothed plates 81, wherein the toothed plates 81 are fixedly arranged on the inner side wall of the side frame plate 32, and the two toothed plates 81 are arranged in an opposite direction; a half-toothed ring 82, the half-toothed ring 82 is fixedly sleeved on the periphery of the drag flask 61 and engaged with the toothed plate 81.
When the members such as the drag flask 61, the sanding assembly 70, the flattening assembly 90, etc. are moved horizontally to both sides, the runner 53 rolls out of the inner groove plate 51, which reduces the shock guiding of the wavy inner groove of the inner groove plate 51 and reduces the drop of the foundry sand in the drag flask 61 from the sanding assembly 70; simultaneously, the half toothed ring 82 is meshed with the toothed plate 81, and the toothed meshing transmission drives the members such as the drag flask 61, the sand spreading assembly 70, the flattening assembly 90 and the like to integrally rotate 180 degrees, so that the U-turn of the positions of the flattening plate 92 and the sand spreading inclined hopper 72 is realized, and when the members such as the drag flask 61, the sand spreading assembly 70, the flattening assembly 90 and the like are driven by the driving mechanism 40 to integrally move towards backwater, a round of action steps of flattening and sand spreading can be carried out on casting sand on the sand flask, and the overall working efficiency is further improved. Moreover, because the whole of the members such as the drag flask 61, the sand laying assembly 70, and the flattening assembly 90 is designed to have a structure capable of turning around, the rotating disc 44 is in rotational connection with the top of the drag flask 61, and when the whole moves horizontally, the rotating wheel 53 is blocked into the inner groove of the inner groove plate 51, so that the whole of the members such as the drag flask 61, the sand laying assembly 70, and the flattening assembly 90 is prevented from rotating when moving horizontally, and when the whole turns around, the two ends of the inner groove plate 51 are designed to have a horn-shaped opening, so that the rotating wheel 53 can conveniently reenter the inner groove of the inner groove plate 51, thereby further ensuring the operation reliability of the device of the invention.
As shown in fig. 7, fig. 7 is a schematic view of the structure of the clamping mechanism 20 in the device of the present invention.
The top of bottom plate 10 is provided with fixture 20, fixture 20 includes fixed riser 21 of fixed connection at bottom plate 10 top, the outside fixedly connected with hollow slab 22 of fixed riser 21, the inner wall sliding connection of hollow slab 22 has slide plate 23, the inboard fixedly connected with extrusion rod 26 of slide plate 23, the other end of extrusion rod 26 runs through fixed riser 21 and fixedly connected with splint 27, the outside fixedly connected with pull rod 24 and the spring 25 of slide plate 23, and the one end that slide plate 23 was kept away from to spring 25 is fixed mutually with the inside wall of hollow slab 22.
According to the invention, the clamping mechanism 20 is arranged for clamping and fixing the sand box, so that the stability of the sand box during vibration flattening of casting sand by the follow-up flattening assembly 90 and sanding by the sanding assembly 70 is ensured, and the operation method comprises the following steps: the two pull rods 24 are pulled outwards to drive the two clamping plates 27 to move away from each other, then the sand box is placed in the right center position between the two clamping plates 27, then the pull rods 24 are loosened, and the clamping plates 27 can be driven to clamp the middle sand box under the action of the resilience force of the springs 25, so that the clamping and fixing of the sand box are completed.
The application method of the sand casting sand spreading device is applied to the sand casting sand spreading device and comprises the following steps:
S1, fixing a sand box: firstly, placing a sand box on the top of a bottom plate 10, clamping and fixing the sand box through a clamping mechanism 20, and ensuring the stability of the sand box when a follow-up flattening assembly 90 shakes and flattens casting sand and a sand paving assembly 70 paves sand;
S2, initially filling casting sand: filling casting sand into the sand box, and making the casting sand filled into the sand box slightly higher than the top of the sand box;
s3, spreading and sanding the casting sand: by operating the drive motor 41 in the drive mechanism 40, the drag flask 61 can be driven to reciprocate horizontally, and the vibration assembly 50 cooperates with the horizontal reciprocation of the drag flask 61 to cause the flattening assembly 90 to vibrate and flatten the foundry sand while completing the subsequent sanding of the sanding assembly 70.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.
Claims (7)
1. The sand casting sand spreading device comprises a bottom plate (10) and a drag flask (61), wherein an upper frame (30) is arranged at the top of the bottom plate (10), and is characterized in that a driving mechanism (40) is arranged on the upper frame (30) and used for driving the drag flask (61) to horizontally reciprocate, a sand spreading component (70) is arranged in the drag flask (61), the sand spreading component (70) comprises a sand leakage cylinder (71) which is slidably connected in the inner wall of the drag flask (61) and a sand spreading inclined hopper (72) below the sand leakage cylinder (71), a conical bulge (75) is arranged on the bottom inner wall of the sand leakage cylinder (71), a connecting rod (73) is fixedly connected to the outer side of the sand leakage cylinder (71), a flattening component (90) is fixedly connected to the bottom of the connecting rod (73), a vibration component (50) is jointly arranged on the outer side end of the connecting rod (73) and the upper frame (30), and the vibration component (50) is matched with the horizontal reciprocation of the drag flask (61) to enable the sand flattening component (90) to perform sand spreading and sand spreading of the sand spreading component (70) simultaneously;
the vibration assembly (50) includes:
an inner groove plate (51), wherein the inner groove plate (51) is fixedly arranged on the inner side wall of the side frame plate (32);
The rotating wheel (53) is sleeved on the periphery of the other end of the shaft lever (52), and the outer diameter of the rotating wheel (53) is matched with the inner groove plate (51);
a rotating assembly (80) is arranged on the drag flask (61) and the upper frame (30) together, and the rotating assembly (80) comprises:
The toothed plates (81) are fixedly arranged on the inner side walls of the side frame plates (32), and the two toothed plates (81) are arranged in an inclined opposite way;
A half-toothed ring (82), wherein the half-toothed ring (82) is fixedly sleeved on the periphery of the drag flask (61) and meshed with the toothed plate (81);
The top of bottom plate (10) is provided with fixture (20), fixture (20) are including fixed riser (21) of fixed connection at bottom plate (10) top, the outside fixedly connected with hollow slab (22) of fixed riser (21), the inner wall sliding connection of hollow slab (22) has sliding plate (23), the inboard fixedly connected with extrusion rod (26) of sliding plate (23), the other end of extrusion rod (26) runs through fixed riser (21) and fixedly connected with splint (27), the outside fixedly connected with pull rod (24) and the spring (25) of sliding plate (23), and the one end that sliding plate (23) was kept away from to spring (25) is fixed with the inside wall of hollow slab (22) mutually.
2. A sand casting sand spreading device according to claim 1, wherein the upper frame (30) comprises:
an upper frame plate (31), wherein the upper frame plate (31) is fixedly connected to the top of the bottom plate (10);
a side frame plate (32), wherein the side frame plate (32) is positioned right above the bottom plate (10);
The connecting strip (33), connecting strip (33) are used for fixedly connecting upper frame plate (31) and side frame plate (32).
3. A sand casting sand spreading device according to claim 2, characterized in that the driving mechanism (40) comprises a driving motor (41) fixedly arranged on the outer side wall of the upper frame plate (31), an output shaft of the driving motor (41) is fixedly connected with a reciprocating screw (42), the periphery of the reciprocating screw (42) is rotationally connected with a screw sleeve (43), the bottom of the screw sleeve (43) is fixedly connected with a rotating disc (44), and the rotating disc (44) is rotationally connected with the top of the drag flask (61).
4. A sand casting sand spreading device according to claim 3, wherein the two sides of the screw rod sleeve (43) are fixedly connected with reinforcing blocks (45), the bottom ends of the reinforcing blocks (45) are fixed with the top of the rotating disc (44), and the top ends of the reinforcing blocks (45) are slidably connected to the top inner wall of the upper frame plate (31).
5. A sand casting sand spreading device according to claim 3, wherein the bottom of the drag flask (61) is fixedly connected with a plurality of fixing ribs (74), and the other ends of the fixing ribs (74) are fixed with the outer wall of the sand spreading inclined hopper (72);
Rectangular guide holes are formed in the outer side walls of the drag flasks (61), and the connecting rods (73) movably penetrate through the rectangular guide holes.
6. The sand casting sand spreading device according to claim 5, wherein the flattening component (90) comprises a connecting plate strip (91) and a flattening plate (92), the top ends of the connecting plate strip (91) are fixed with the bottom of the connecting rod (73), and the bottom of the connecting plate strip (91) is fixedly connected with the upper surface of the flattening plate (92).
7. The application method of the sand casting sand spreading device is applied to the sand casting sand spreading device disclosed by any one of claims 1-6, and is characterized in that:
S1, fixing a sand box: firstly, placing a sand box on the top of a bottom plate (10), clamping and fixing the sand box through a clamping mechanism (20), and guaranteeing stability of the sand box when a follow-up flattening assembly (90) shakes and flattens casting sand and a sand paving assembly (70) paves sand;
S2, initially filling casting sand: filling casting sand into the sand box, and making the casting sand filled into the sand box slightly higher than the top of the sand box;
S3, spreading and sanding the casting sand: by operating a drive motor (41) in the drive mechanism (40), the drag flask (61) can be driven to reciprocate horizontally, and the vibration assembly (50) cooperates with the horizontal reciprocation of the drag flask (61) to enable the flattening assembly (90) to vibrate and flatten the foundry sand and simultaneously complete subsequent sanding of the sanding assembly (70).
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