CN216729398U - Molding sand discharging device - Google Patents
Molding sand discharging device Download PDFInfo
- Publication number
- CN216729398U CN216729398U CN202122785542.2U CN202122785542U CN216729398U CN 216729398 U CN216729398 U CN 216729398U CN 202122785542 U CN202122785542 U CN 202122785542U CN 216729398 U CN216729398 U CN 216729398U
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- Prior art keywords
- sand
- discharge
- lower rotating
- upper fixed
- rotating disc
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- 238000007599 discharging Methods 0.000 title claims abstract description 33
- 239000003110 molding sand Substances 0.000 title claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 53
- 244000035744 Hura crepitans Species 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 4
- 238000007528 sand casting Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 17
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
Molding sand discharging device belongs to metallurgical frock technical field. The sand storage device comprises a sand storage hopper for storing molding sand, a sand box for product molding and a molding table for fixing the sand box, and is characterized in that a discharge port of the sand storage hopper is provided with a discharge amount adjustable structure; the structure with the adjustable discharge amount comprises an upper fixed disc and a lower rotating disc, wherein a plurality of discharge holes are respectively formed in the upper fixed disc and the lower rotating disc and are respectively distributed on the upper fixed disc and the lower rotating disc along the circumferential direction; the lower rotating disc is rotated to change the coincidence degree of the discharge holes of the upper fixed disc and the lower rotating disc, so that the purpose of adjusting the discharge amount is achieved.
Description
Technical Field
The utility model relates to a molding sand discharging device, and belongs to the technical field of metallurgical tools.
Background
The casting is to heat and melt the metal, pour the metal into a sand mold or a mold, and solidify the metal into a ware after cooling. The working principle of the sand discharging device is that a certain amount of molding sand is put into a sand box by the device to fill the sand box, the molding sand in the sand box is drawn after being compacted, so that a cavity with a specific shape is formed, molten metal is melted later, the molten metal is poured into the finished cavity, and a casting is formed after the molten metal is cooled and solidified.
In the prior art, the chinese patent with publication number CN105397022A discloses a technical solution in which, during discharging, a pull rod is pulled to drive a right jaw to move, so that the left jaw and the right jaw are opened, and molding sand in a sand discharging hopper flows into the sand box to complete molding. Although this structure can control the volume of putting sand, the structure is complicated, and complex operation is unfavorable for actual operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a molding sand discharging device which is simple to operate and controllable in discharging amount, aiming at the defects of the prior art.
The technical scheme of the utility model is as follows:
the molding sand discharging device comprises a sand storage hopper for storing molding sand, a sand box for product molding and a molding table for fixing the sand box, and is characterized in that a discharge port of the sand storage hopper is provided with a discharge amount adjustable structure; the structure with the adjustable discharge amount comprises an upper fixed disc and a lower rotating disc, wherein a plurality of discharge holes are respectively formed in the upper fixed disc and the lower rotating disc, and are respectively distributed on the upper fixed disc and the lower rotating disc along the circumferential direction; the lower rotating disc is rotated to change the coincidence degree of the discharge holes of the upper fixed disc and the lower rotating disc, so that the purpose of adjusting the discharge amount is achieved.
By adopting the scheme, the two disks with similar structures are arranged, the upper fixed disk is fixed at the discharge port of the sand storage hopper, the circumferential rotation amplitude of the lower rotating disk is changed, then the corresponding discharge holes on the two disks are changed in coincidence degree, and finally the purpose of adjusting the discharge amount of the whole sand storage hopper is achieved.
Furthermore, the side wall of the upper fixed disc is provided with an arrow mark, and the side wall of the lower rotating disc is provided with scale marks for representing different discharge amounts.
By adopting the scheme, the scale marks are made on the side wall of the lower rotating disc according to the size of the discharge amount and the coincidence degree of the discharge holes, and the side wall of the lower rotating disc is matched with the arrow mark of the upper fixed disc, so that the lower rotating disc can rotate according to the required discharge amount.
Further, a driving motor is arranged at the bottom of the lower rotating disk, and an output shaft of the driving motor is fixedly connected with the lower rotating disk; the driving motor is located in the installation shell, and the installation shell is fixed on the inner side wall of the discharge barrel through the supporting rod.
By adopting the scheme, the mounting shell where the driving motor is located is fixed in the discharging barrel through the supporting rod, and the lower rotating disc is not interfered; and the rotating disc is driven by the driving motor to rotate, so that the discharge amount is adjusted more easily and conveniently.
Furthermore, the bottom of the upper fixed disk is provided with a circle of groove, and the top surface of the lower rotating disk is provided with a circle of protrusion matched with the groove.
By adopting the scheme, the opposite surfaces of the upper fixed disk and the lower rotating disk are matched with each other in a protruding mode through the circle of groove and the circle of protrusion, so that dislocation between the two disks can be prevented, and the operation is more stable.
Furthermore, a heat dissipation cylinder is arranged below a discharge port of the sand storage hopper, a feed port of the heat dissipation cylinder faces the discharge cylinder of the sand storage hopper, and a plurality of inclined plates distributed from top to bottom in a staggered manner are arranged in the heat dissipation cylinder.
By adopting the scheme, the materials discharged from the sand storage hopper can be radiated and scattered by the internal structure of the radiating cylinder, and are prevented from agglomerating and blocking.
Furthermore, a conveying mechanism is arranged below a discharge port of the heat dissipation cylinder, a feed port of a sand discharge hopper is arranged below the discharge port of the conveying mechanism correspondingly, the sand discharge hopper is positioned above the sand box, and the conveying mechanism is provided with a pressure sensor.
Adopt above-mentioned scheme, will carry to the sand hopper that puts that holds the molding sand through the material that the heat dissipation section of thick bamboo cooled off, was broken up by conveying mechanism, pressure sensor can detect the material volume of conveying mechanism department, if the material is too much, then control driving motor and reduce or close the discharge, if the material is too few, then control driving motor increase discharge.
Further, the bottom of the sand discharging hopper is provided with a discharging baffle, the middle of the discharging baffle is provided with a rotating shaft, and two ends of the rotating shaft are rotatably connected to the inner wall of the sand discharging hopper.
By adopting the scheme, the discharging baffle plate is matched with the rotating shaft to form a turnover structure, so that the effects of stopping materials and preventing the materials from being lifted can be achieved.
Furthermore, a stirring shaft is arranged in the sand storage hopper, a spiral stirring blade is arranged on the stirring shaft, and the stirring shaft is in driving connection with a stirring motor.
By adopting the scheme, the stirring shaft can prevent materials in the sand storage hopper from agglomerating into blocks and cooling the materials.
The sand storage hopper has a simple and reasonable structure, adopts a discharge amount adjustable structure at a discharge port of the sand storage hopper, can control the sand discharge amount, improves the sand discharge accuracy, reduces the waste of molding sand, reduces the production cost, is simple to operate, and improves the production efficiency.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural view of the sand storage hopper in FIG. 1;
FIG. 3 is a schematic structural view of an upper fixed disk according to the present invention;
FIG. 4 is a schematic view of the structure of the lower rotating disk of the present invention;
in the figure: the sand storage device comprises a sand storage hopper 1, a sand discharging hopper 2, a sand box 3, a moulding platform 4, an upper fixed disc 5, a lower rotating disc 6, a discharge hole 7, a driving motor 8, a mounting shell 9, a support rod 10, a stirring shaft 11, a groove 12, a protrusion 13, a heat radiation cylinder 14, an inclined plate 15, a conveying mechanism 16, a discharge baffle 17 and a discharge cylinder 18.
Detailed Description
Example 1
As shown in fig. 1, the molding sand discharging device includes a sand storage hopper 1 for storing molding sand, a sand discharge hopper 2 for storing molding sand, a flask 3 for molding a product, and a molding table 4 for fixing the flask.
As shown in fig. 1, 3 and 4, a discharge hole of the sand storage hopper is provided with a discharge amount adjustable structure; the structure with the adjustable discharge amount comprises an upper fixed disc 5 and a lower rotating disc 6, wherein a plurality of discharge holes 7 are respectively arranged on the upper fixed disc and the lower rotating disc, and the structures of the discharge holes can be set into round holes and waist-shaped holes as required. A plurality of discharge holes are respectively distributed on the upper fixed disc and the lower rotating disc along the circumferential direction; the lower rotating disc is rotated to change the coincidence degree of the discharge holes of the upper fixed disc and the lower rotating disc, so that the purpose of adjusting the discharge amount is achieved.
Wherein, the lateral wall of going up fixed disc is equipped with the arrow mark, and the lateral wall of lower carousel is equipped with the scale mark that shows different loads. According to the size of the discharge amount and the coincidence degree of the discharge holes, the side wall of the lower rotating disk is provided with scale marks which are matched with the arrow marks of the upper fixed disk, so that the lower rotating disk can rotate according to the required discharge amount.
Wherein, the bottom of the lower rotating disk is provided with a driving motor 8, and the output shaft of the driving motor is fixedly connected with the lower rotating disk; the driving motor is positioned in the mounting shell 9, and the mounting shell is fixed on the inner side wall of the discharging barrel 18 through the supporting rod 10.
Example 2
On the basis of the embodiment 1, as shown in fig. 2, 3 and 4, a stirring shaft 11 is arranged in the sand storage hopper, a spiral stirring blade is arranged on the stirring shaft, and the stirring shaft is driven and connected by a stirring motor to prevent the materials from agglomerating and blocking and cool the materials.
The bottom of the upper fixed disk is provided with a circle of grooves 12, and the top surface of the lower rotating disk is provided with a circle of protrusions 13 matched with the grooves. The opposite surfaces of the upper fixed disk and the lower rotating disk are matched with each other in a protruding mode through a circle of groove and a circle of protrusion, so that dislocation between the two disks can be prevented, and operation is more stable.
Example 3
On the basis of embodiment 1 or 2, a heat radiation cylinder 14 is arranged below the discharge hole of the sand storage hopper, the feed hole of the heat radiation cylinder faces the discharge cylinder of the sand storage hopper, and a plurality of inclined plates 15 which are distributed from top to bottom in a staggered manner are arranged in the heat radiation cylinder, so that the materials can be radiated and scattered, and the materials are prevented from being agglomerated into blocks.
A conveying mechanism 16 is arranged below a discharge port of the heat dissipation cylinder, a feed port of the sand discharging hopper corresponds to the lower portion of the discharge port of the conveying mechanism, and the sand discharging hopper is located above the sand box. Conveying mechanism is equipped with pressure sensor, and pressure sensor can detect the material volume of conveying mechanism department, if the material is too much, then control driving motor and reduce or close the load, if the material is too little, then control driving motor and increase the load.
Put sand hopper bottom and be equipped with discharge baffle 17, discharge baffle middle part is equipped with the pivot, and the pivot both ends are rotated and are connected in putting sand hopper inner wall, constitute flip structure, can play the fender, prevent that the material from raising up the effect.
Claims (9)
1. The molding sand discharging device comprises a sand storage hopper for storing molding sand, a sand box for product molding and a molding table for fixing the sand box, and is characterized in that a discharge port of the sand storage hopper is provided with a discharge amount adjustable structure;
the structure with the adjustable discharge amount comprises an upper fixed disc and a lower rotating disc, wherein a plurality of discharge holes are respectively formed in the upper fixed disc and the lower rotating disc, and are respectively distributed on the upper fixed disc and the lower rotating disc along the circumferential direction;
the lower rotating disc is rotated to change the coincidence degree of the discharge holes of the upper fixed disc and the lower rotating disc, so that the purpose of adjusting the discharge amount is achieved.
2. The sand discharging device as recited in claim 1, wherein the side wall of the upper fixed disk is provided with arrow marks, and the side wall of the lower rotating disk is provided with scale marks indicating different discharge amounts.
3. The sand-discharging device of claim 1, wherein a driving motor is provided at the bottom of the lower rotating disc, and an output shaft of the driving motor is fixedly connected to the lower rotating disc; the driving motor is located in the installation shell, and the installation shell is fixed on the inner side wall of the discharge barrel through the supporting rod.
4. The sand casting device as recited in claim 1, wherein the upper fixed disk has a groove formed in a bottom portion thereof, and the lower rotatable disk has a protrusion formed on a top surface thereof to match the groove.
5. The sand discharging device as claimed in claim 1, wherein a heat dissipating cylinder is disposed below the discharge port of the sand storage hopper, the feed port of the heat dissipating cylinder faces the discharge cylinder of the sand storage hopper, and a plurality of inclined plates are disposed in the heat dissipating cylinder in a staggered manner from top to bottom.
6. The sand discharging device of claim 5, wherein a conveying mechanism is provided below the discharge port of the heat dissipating cylinder, and the conveying mechanism is provided below the discharge port thereof corresponding to the feed port of the sand discharging hopper, and the sand discharging hopper is located above the sand box.
7. The sand-discharging device of claim 6, wherein said transporting means is provided with a pressure sensor.
8. The sand discharging device as claimed in claim 6, wherein a discharge baffle is provided at the bottom of the sand discharging hopper, a rotating shaft is provided at the middle of the discharge baffle, and both ends of the rotating shaft are rotatably connected to the inner wall of the sand discharging hopper.
9. The sand discharging device as recited in claim 1, wherein a stirring shaft is provided in said sand hopper, said stirring shaft having a helical stirring blade, said stirring shaft being drivingly connected to a stirring motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785542.2U CN216729398U (en) | 2021-11-15 | 2021-11-15 | Molding sand discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785542.2U CN216729398U (en) | 2021-11-15 | 2021-11-15 | Molding sand discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216729398U true CN216729398U (en) | 2022-06-14 |
Family
ID=81925599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122785542.2U Active CN216729398U (en) | 2021-11-15 | 2021-11-15 | Molding sand discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216729398U (en) |
-
2021
- 2021-11-15 CN CN202122785542.2U patent/CN216729398U/en active Active
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