CN114433794A - Sand box sand loading device - Google Patents
Sand box sand loading device Download PDFInfo
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- CN114433794A CN114433794A CN202210120853.3A CN202210120853A CN114433794A CN 114433794 A CN114433794 A CN 114433794A CN 202210120853 A CN202210120853 A CN 202210120853A CN 114433794 A CN114433794 A CN 114433794A
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- Prior art keywords
- sand
- box
- outlet
- plate
- discharging valve
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- 239000004576 sand Substances 0.000 title claims abstract description 308
- 244000035744 Hura crepitans Species 0.000 title claims abstract description 68
- 238000007599 discharging Methods 0.000 claims description 30
- 238000007789 sealing Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 7
- 239000003110 molding sand Substances 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005429 filling process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Storage Of Harvested Produce (AREA)
Abstract
The invention provides a sand filling device of a sand box, which is characterized in that: the sand box comprises a bracket, the bottom of the sand box supported by the bracket is inclined, a sand outlet is arranged at the lower part of the sand bin, and sand flowing from the sand outlet falls to the inner side of the upper edge of the box wall at the high side of the sand box. The technical scheme has the advantages that the outer molding sand is ensured to fill the airspace between the box bottom and the core mold of the precoated sand shell at first and then is filled into other vacant areas in the sand box from bottom to top, so that the outer molding sand can carry out omnibearing and compact enclosure and restraint on the core mold of the precoated sand shell, the stability and the reliability of the die assembly state of the core mold of the precoated sand shell are ensured, and the finished product rate of a cast part and the safety of the casting process are ensured.
Description
Technical Field
The invention relates to a sand box boxing device for precoated sand casting, in particular to a sand discharging device of a sand silo.
Background
Patent document entitled "sand core pouring box" (document No. CN 109226696 a) discloses a flask box 10 in which a clamp fixing portion for restraining and fixing a sand core a is provided, the clamp fixing portion maintaining a spaced arrangement between the sand core a and a box bottom. The clamping and fixing part comprises a movable pressing plate 20 arranged in the sand box body 10, the distance between a base plate 11 arranged in the sand box body 10 and the movable pressing plate 20 is adjustable, and the area between the base plate and the movable pressing plate 20 forms a clamping and restricting area of a sand shell core type A. The improved casting box is different from a sand filling process before improvement, namely, the box filling process before improvement is that a layer of bottom sand is paved at the bottom of the box, then a sand shell core mold A restrained by a clamping mechanism is placed on the bottom sand, and then sand filling and burying operations are carried out; for the sand box adopting the scheme of the CN 109226696A document, the boxing and sand loading processes are firstly to fix the sand shell core type A in the empty box, and at the moment, the sand shell core type A fixed in the box needs sand filling and burying operations with the space between the box bottom and the box wall and between the sand shell core types A and the upper part of the sand shell core type A, so as to ensure that the sand shell core type A is immersed in the sand. The sand filling and burying operation mode adopted in the prior art is that a spade shovel is manually used for shoveling sand and filling the sand in a horizontally arranged sand box, and a space area is formed between a sand shell core A and the box bottom, so that the space area between the sand shell core A and the box bottom is difficult to fill, the enclosing restraint and the heat preservation effect of external molding sand on the sand shell core A are difficult to play, and the phenomena of deformation of the sand shell core A and loss of a casting liquid are caused during casting.
Disclosure of Invention
The invention aims to provide a sand box sand filling device, which ensures that external molding sand can be filled and filled to the bottom and the peripheral part of a sand shell core mold.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sand box dress sand device which characterized in that: the sand box comprises a bracket, the bottom of the sand box supported by the bracket is inclined, a sand outlet is arranged at the lower part of the sand bin, and sand flowing from the sand outlet falls to the inner side of the upper edge of the box wall at the high side of the sand box.
The technical scheme has the advantages that the outer molding sand is ensured to fill the airspace between the box bottom and the core mold of the precoated sand shell at first and then is filled into other vacant areas in the sand box from bottom to top, so that the outer molding sand can carry out omnibearing and compact enclosure and restraint on the core mold of the precoated sand shell, the stability and the reliability of the die assembly state of the core mold of the precoated sand shell are ensured, and the finished product rate of a cast part and the safety of the casting process are ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged partial schematic view of FIG. 1;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is an enlarged partial schematic view of FIG. 2;
FIG. 6 is a schematic perspective view of a sand box with a precoated sand core mold fixed thereto, placed on a carriage.
Detailed Description
As shown in fig. 1 and 2, the sand box loading device comprises a bracket 10, a box bottom 3 of the sand box 1 supported by the bracket 10 is inclined, a sand outlet 21 is arranged at the lower part of a sand bin 20, and sand falling from the sand outlet 21 falls to the inner side of the upper edge of a box wall 2 at the high side of the sand box 1.
In the scheme, the bracket 10 supports the sand box 1 to enable the box bottom 3 to be in an inclined posture, so that a clamping cavity between the box bottom 3 and the bottom of the precoated sand shell core type A is ensured to be in an inclined posture, at the moment, the falling path of the exterior sand falling from the sand outlet 21 is limited to reach the upper edge inner side part of the box wall 2 at a high position side, the part is also an interval airspace between the box wall 2 and a movable pressing plate 4 which is arranged in the sand box 1 and clamps the precoated sand shell core type A, the falling sand enters from the space and flows to the high position part of the box bottom 3 along the clamping cavity between the box wall 2 and the movable pressing plate 4, then flows to the low position of the box bottom 3 from the high position of the box bottom 3, as shown by the arrow direction in the figure 2, so that the airspace between the box bottom 3 and the precoated sand shell core type A is filled, and the compact omnibearing enclosure and restraint of the exterior sand shell core type A on the precoated sand shell core type A are realized, the stable and reliable state of the die assembly state of each precoated sand shell core type A is maintained, the yield of the casting is naturally improved, and the safety of the casting process is also guaranteed.
According to the scheme, the key is that the bottom of the chamber of the sand box is filled and inflated to realize the ideal sand filling effect of the sand box, and the problems are three aspects, namely the posture of the sand box during sand filling, the position where the sand firstly reaches the sand box, and the path where the sand flows in the sand box.
The following describes the design of the position of the sand box 1 and the falling path of the falling sand.
Referring to fig. 1, 2 and 6, a sand silo 20 is arranged at a corresponding height position, a sand box 1 is supported and fixed by a bracket 10 below the sand silo, the sand box 1 is limited to the side where a box bottom 3 of the sand box is inclined, and a box opening points to a sand outlet 21, as can be seen in fig. 6, four precoated sand shell core types a are arranged at proper intervals, a high-position end of each precoated sand shell core type a is fixed by being restrained by a movable pressing plate 4, and in combination with fig. 2, an empty area between the movable pressing plate 4 and the box wall 2 at the high-position side is a part where falling sand needs to reach and a borrowed sand flow path.
Referring to fig. 2, a sand guide plate 40 with an obliquely arranged plate surface is arranged at the sand outlet 21, the inclined direction of the sand guide plate 40 is opposite to the inclined direction of the box bottom 3 of the sand box 1, the upper part of the sand guide plate 40 is connected with the sand outlet 21 to receive sand, and the lower part of the sand guide plate 40 extends towards the inner side of the upper edge of the box wall 2 at the high side of the sand box 1 to be connected with the shakeout sand. The sand guide plate 40 is arranged, so that sand can be accurately guided to the region surrounded by the upper edge of the box wall 2 on the high side and the upper edge of the movable pressing plate 4, the sand flowing speed can be reduced due to the fact that the entrance of the region is narrow, the sand guide plate 40 is obliquely arranged, the sand flowing splashing phenomenon in the sand shakeout process is prevented, and the sand flow bundling effect is achieved; meanwhile, the inclined direction of the sand guide plate 40 is opposite to the inclined direction of the box bottom 3 of the sand box 1, so that the included angle between the flowing sand flowing direction guided by the sand guide plate 40 and the box wall 2 is reduced, namely, the nearly forward direction with a small included angle between the sand flowing direction and the box wall 2 is obtained, the condition that sand grains splash caused by the fact that the flowing sand impacts the box wall 2 from the front side is avoided, the falling sand almost completely reaches the area between the box wall 2 and the movable pressing plate 4 and falls to one side of the box bottom 3, and in addition, the abrasion of the box wall 2 caused by the long-term flushing of the flowing sand is also reduced.
Generally, the sand silo 20 has a certain sand storage capacity, and when the sand amount stored in the sand silo is more than the required amount for boxing a single sand box, and when sand is stored for standby in a non-boxing period, the sand outlet 21 needs to be sealed and closed, so the invention provides the following technical solutions:
the sand outlet 21 is provided with a sand discharging valve 30, the sand guide plate 40 is positioned below the sand discharging valve 30, the upper part of the sand guide plate 40 is connected with the sand outlet 21 to receive sand, and the lower part of the sand guide plate extends towards the inner side of the upper edge of the box wall 2 on the high side of the sand box 1 to be connected with the shakeout. When the sand filling operation is required to be carried out on the sand box, the sand discharging valve 30 is opened, and the sand flowing at the sand outlet 21 is received and guided by the sand guide plate 40.
Because the sand grains have specific semifluid performance, in order to limit the flow speed of the sand grains, the opening of the sand outlet 21 is directed to be in a horizontal direction or in an inclined downward direction, so that the flow of the sand grains can be ensured, and the phenomenon that the sand grains are concentrated and accumulated when almost frontal impact on the sand guide plate 40 when the opening of the sand outlet 21 is arranged downward and is too close to the sand guide plate 40 or the phenomenon that the sand grains severely impact the sand guide plate 40 when the opening of the sand outlet 21 is too far away from the sand guide plate 40 can be overcome. The opening direction of the sand outlet 21 is set to be horizontal or obliquely downward, which ensures smooth flowing discharge of the molding sand. When the sand outlet 21 is obliquely and downwards arranged, if the included angle between the direction of the sand outlet 21 and the plumb surface is less than 20 +/-5 degrees, namely the surface where the sand outlet 21 is located is very close to the plumb surface, namely the surface is close to the condition that the opening faces downwards, the phenomenon of over-rapid sand outlet is more likely to occur.
As shown in fig. 4 and 5, the sand discharging valve 30 is in a folded plate shape or a bent shape formed by a sand sealing plate 31 and a locking plate 32, when the sand discharging valve 30 closes the sand outlet 21, the sand sealing plate 31 blocks the opening area of the sand outlet 21, the locking plate 32 is maintained at the bottom of the sand outlet 21, and when the sand discharging valve 30 is opened, the sand discharging valve is retracted to the side of the sand outlet 21 and away from the sand falling path.
More preferably, the bottom of the sand silo 20 is provided with a front silo wall 22, the opposite side of the front silo wall 22 is provided with a rear silo wall 23, a side silo wall 24 is arranged between the two sides of the front silo wall 22 and the rear silo wall 23, the bottom of the rear silo wall 23 is provided with a bottom silo wall 25, the front edge of the bottom silo wall 25 extends to the lower part of the front silo wall 22, and a rectangular opening area formed by a concave notch arranged on the lower edge of the front silo wall 22 and the front edge of the bottom silo wall 25 forms a sand outlet 21.
The rear bin wall 23 and the bottom bin wall 25 shown in fig. 2, 3 and 5 have an obvious boundary part, and of course, the two can also be in a smooth transition structure, and the front end of the bottom bin wall 25 is required to have a flat-bottomed plate surface part, so that the rear bin wall 23 and the bottom bin wall 25 can be matched with the sand valve 30 to realize a reliable sand sealing effect.
Preferably, the sand discharging valve 30 is in a folded plate shape formed by a sand sealing plate 31 and a locking plate 32, when the sand discharging valve 30 closes the sand outlet 21, the sand sealing plate 31 is sealed at the orifice area of the sand outlet 21, the locking plate 32 is closely attached to the outer plate surface of the bottom silo wall 15, and when the sand discharging valve 30 is opened, the sand discharging valve 30 is avoided to the side of the sand outlet 21 and far away from the sand falling path.
The sand valve 30 provided by the scheme is matched with the sand outlet 21 which is horizontally or laterally directed, so that the sand sealing effect is very reliable, when the sand sealing plate 31 approaches to the position of the sand outlet 21, the locking plate 32 reaches the position below the bottom bin wall 15 and an overlapped part is formed between the locking plate and the sand outlet 21, sand grains clamped in a gap formed by the overlapped part provide a tendency of preventing the sand grains from being separated from each other, a small gap between the edge of the sand sealing plate 31 and the edge of the sand outlet 21 is enough to block the flow of the sand grains, therefore, the closed matching of the sand valve 30 and the sand outlet 21 in the invention is a matching state with a small gap between the locking plate and the sand outlet 21, the locking plate 32 is closely attached to the outer plate surface of the bottom bin wall 15, so that a small amount of sand grains are allowed to be accumulated between the locking plate and the sand outlet 21, and the separation tendency of the sand sealing plate 31 and the sand outlet 21 is prevented by virtue of effective friction force provided by the squeezed sand grains, and sand grains at the gap between the sand-sealing plate 31 and the sand outlet 21 are crowded with each other to block the sand seal inside. The technical scheme of the sand valve 30 and the sand outlet 21 not only solves the problem of opening and closing the sand outlet 21, but also has low manufacturing cost and cost saving due to simple structure and few processing precision requirements.
As shown in fig. 4 and 5, the edge of the sand outlet 21 has baffles 221 with vertical plate surfaces and the plate surfaces matched with the sand flow direction, and the width of the sand seal plate 31 is matched with the width of the baffles 221, and when the sand seal plate 31 is closed, the sand seal plate 31 is placed on the outer side plate edges 221a of the two baffles 221. The baffle plates 221 are arranged at the opening edges on the two sides of the sand outlet 21, so that the function of applying proper constraint to the initial section of the falling sand is achieved during sand discharging, the phenomenon that the sand is dispersed immediately after leaving the sand outlet 21 suddenly is avoided, namely although the sand after leaving the sand outlet 21 suddenly meets the sudden change of the internal and external environmental pressures of the sand silo 20, the tendency that the sand bundle is exploded towards the two sides is effectively restrained under the shielding effect of the baffle plates 221, and the fact that the falling sand still flows along the guide path of the sand guide plate 40 is ensured.
As shown in fig. 4 and 5, the upper plate edge of the sand-sealing plate 31 is hinged at the sand outlet 21 and the hinge shaft 33 is horizontally and flush with the surface of the sand outlet 21. The upper plate edge of the sand sealing plate 31 is selected to be connected in a rotating mode, the opening and closing movement paths of the sand sealing plate and the sand guide plate 40 are located at the avoidance positions, and interference between the opening and closing movement paths and the sand guide plate is avoided. Three sand outlets 21 are shown in fig. 4, one on the left side being closed and two on the middle and right side being open.
The sand sealing plate 31 is provided with a support extension plate 311 extending to the outside of the back of the locking plate 32, the sand silo 20 is provided with a hook 50, and the hook 50 is hooked on the plate surface of the support extension plate 321 close to the back of the locking plate 32 when the sand valve 30 is in an opening state.
The upper side is provided with the hinged shaft 33, so that the sand discharging passage can be conveniently opened when the sand discharging valve swings anticlockwise as shown in fig. 5, and meanwhile, the hook 50 is conveniently hooked on one side of the suspended free edge, so that the sand discharging valve 30 can be conveniently and reliably maintained in an opening state.
In order to improve the matching of the sand discharging valve 30 and the sand outlet 21 to realize the plugging reliability, the included angle between the locking plate 32 and the plate surface of the sand sealing plate 31 is 70 +/-15 degrees, it can be seen that the included angle between the locking plate 32 and the sand sealing plate 31 is slightly smaller than 90 degrees, which is a preferable scheme, more preferably 70-80 degrees, the included angle range is selected, when the sand discharging valve 30 is closed, namely the plate surface of the sand sealing plate 31 is close to but slightly separated from the outer side plate edge 221a of the baffle 221, the suspended edge of the locking plate 32 extends to the lower side of the bottom bin wall 25, accumulated sand exists in the included angle area between the locking plate 32 and the sand sealing plate 31 at the front side of the bottom bin wall 25, but the accumulated sand cannot cross the overlapped area between the bottom bin wall 25 and the locking plate 32 and the gap between the lower edge of the baffle 221 and the locking plate 32 to overflow, and is in a stop state, and the sand outlet 21 is firmly plugged, so that the sand plugging effect is realized.
The sand guide plate 40 is hinged on the sand silo 20 through a shaft rod 41, and an adjusting mechanism for adjusting the inclination angle of the sand guide plate 40 is arranged between the sand guide plate 40 and the sand silo 20. As the sand loading process continues, it is practical to adjust the sand guide plate 40 appropriately so that the flow of sand can be guided to the corresponding portion of the flask 1.
The sand silo 20 is used as a fixed building, a sand box is generally required to be moved during boxing, and in order to improve efficiency, save physical strength and ensure the accuracy of positioning of the sand box, the rollers are arranged at the bottom of the bracket 10 and can provide tracks for the rollers.
In order to ensure that the airspace at each position of the sand box can be filled with sand in time and ensure filling, the bracket 10 is provided with an adjusting mechanism for adjusting the inclination angle of the box bottom 3 of the sand box 1. The inclination of the bottom 3 of the sand box 1 can be adjusted in real time through the adjusting mechanism, so that the posture of the sand box can be adjusted.
Claims (16)
1. The utility model provides a sand box dress sand device which characterized in that: the sand box comprises a bracket (10), the box bottom (3) of the sand box (1) supported by the bracket (10) is inclined, a sand outlet (21) is arranged at the lower part of a sand bin (20), and sand falling from the sand outlet (21) falls to the inner side of the upper edge of a box wall (2) on the high side of the sand box (1).
2. The sand filling device of the sand box according to claim 1, wherein: the sand outlet (21) is provided with a sand guide plate (40) with a slantly arranged plate surface, the inclined direction of the sand guide plate (40) is opposite to the inclined direction of the box bottom (3) of the sand box (1), the upper part of the sand guide plate (40) is connected with the sand outlet (21) for receiving sand, and the lower part of the sand guide plate extends towards the upper inner side of the box wall (2) on the high side of the sand box (1) for connecting and shakeout.
3. The sand filling device of the sand box according to claim 1 or 2, wherein: the sand outlet (21) is provided with a sand discharging valve (30), the sand guide plate (40) is positioned below the sand discharging valve (30), the upper part of the sand guide plate (40) is connected with the sand outlet (21) to receive sand, and the lower part of the sand guide plate extends towards the inner side of the upper edge of the box wall (2) on the high side of the sand box (1) to be connected with the shakeout.
4. The sand filling device of the sand box according to claim 1, wherein: a sand discharging valve (30) is arranged at the sand outlet (21), and the path of the falling sand after the sand discharging valve (30) is opened is from top to bottom and obliquely falls to the inner side of the upper edge of the box wall (2) on the high-position side of the sand box (1).
5. The sand pack loading apparatus of claim 1 or 2 or 4, wherein: the opening of the sand outlet (21) points to the horizontal direction or the inclined downward direction.
6. The sand box sand-packing device of claim 3, wherein: the opening of the sand outlet (21) points to the horizontal direction or the inclined downward direction.
7. The sand filling device of a sand box according to claim 5, wherein: the sand discharging valve (30) is in a folded plate shape and consists of a sand sealing plate (31) and a locking plate (32), when the sand discharging valve (30) closes the sand outlet (21), the sand sealing plate (31) is blocked at the opening hole area of the sand outlet (21), the locking plate (32) is arranged at the bottom of the opening edge of the sand outlet (21), and when the sand discharging valve (30) is opened, the sand discharging valve is avoided to the side of the sand outlet (21) and is far away from the sand falling path.
8. The sand filling device of a sand box according to claim 5, wherein: the sand silo (20) is provided with a front silo wall (22) at the bottom, a rear silo wall (23) is arranged on the opposite side of the front silo wall (22), a side silo wall (24) is arranged between the two sides of the front silo wall (22) and the rear silo wall (23), the bottom of the rear silo wall (23) is provided with a bottom silo wall (25), the front edge of the bottom silo wall (25) extends to the position below the front silo wall (22), and a concave notch formed in the lower edge of the front silo wall (22) and a rectangular opening area formed by the surrounding of the front edge of the bottom silo wall (25) form a sand outlet (21).
9. The sand filling device of a sand box according to claim 8, wherein: the sand discharging valve (30) is in a folded plate shape and consists of a sand sealing plate (31) and a locking plate (32), when the sand discharging valve (30) closes the sand outlet (21), the sand sealing plate (31) is blocked at the opening hole area of the sand outlet (21), the locking plate (32) is closely attached to the outer plate surface of the bottom silo wall (15), and when the sand discharging valve (30) is opened, the sand discharging valve is avoided to the side of the sand outlet (21) and is far away from a sand falling path.
10. The sand filling apparatus of a sand box according to claim 8 or 9, wherein: the sand outlet (21) is characterized in that baffle plates (221) which are vertically arranged on the plate surfaces and are matched with the sand flow direction are arranged at the edge of the openings at the two sides of the sand outlet, and the sand sealing plates (31) are arranged on the outer side plates of the two baffle plates (221) when the width of the sand sealing plates (31) is matched with the width of the baffle plates (221) and the sand sealing plates (31) are closed.
11. The sand filling device of a sand box according to claim 9, wherein: the upper plate edge of the sand sealing plate (31) is hinged at the sand outlet (21) and the hinged shaft (33) is positioned in the horizontal direction and is flush with the surface of the sand outlet (21).
12. The sand filling apparatus of a sand box according to claim 11, wherein: the sand sealing plate (31) is provided with a support extension plate (311) extending to the back of the locking plate (32), a hook (50) is arranged on the sand bin (20), and the hook (50) is hung on the plate surface of the support extension plate (321) close to the back of the locking plate (32) in the opening state of the sand release valve (30).
13. The sand filling device of a sand box according to claim 2, wherein: the sand guide plate (40) is hinged on the sand bin (20) through a shaft lever (41), and an adjusting mechanism for adjusting the inclination angle of the sand guide plate (40) is arranged between the sand guide plate (40) and the sand bin (20).
14. The sand filling device of a sand box according to claim 7, wherein: the included angle between the locking plate (32) and the plate surface of the sand sealing plate (31) is 70 +/-15 degrees.
15. The sand filling device of the sand box according to claim 1, wherein: the rollers (111) arranged at the bottom of the bracket (10) are arranged on the rails (12).
16. The sand filling apparatus of a sand box according to claim 1 or 15, wherein: the bracket (10) is provided with an adjusting mechanism for adjusting the inclination angle of the box bottom (3) of the sand box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120853.3A CN114433794A (en) | 2022-02-09 | 2022-02-09 | Sand box sand loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210120853.3A CN114433794A (en) | 2022-02-09 | 2022-02-09 | Sand box sand loading device |
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| CN114433794A true CN114433794A (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210120853.3A Pending CN114433794A (en) | 2022-02-09 | 2022-02-09 | Sand box sand loading device |
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| CN (1) | CN114433794A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583546A (en) * | 2024-01-16 | 2024-02-23 | 山东黑山路桥机械科技有限公司 | Full-automatic core-pulling structure for lost foam |
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| CN106141104A (en) * | 2016-08-31 | 2016-11-23 | 都江堰瑞泰科技有限公司 | A kind of inclination based on the casting of V method adds sand system |
| CN206392797U (en) * | 2016-12-12 | 2017-08-11 | 重庆市九明机械制造有限公司 | Evaporative pattern automatic sand feeding device |
| CN209035387U (en) * | 2018-09-30 | 2019-06-28 | 禹州市毛吕铸造有限公司 | A kind of casting sanding device |
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| CN117583546A (en) * | 2024-01-16 | 2024-02-23 | 山东黑山路桥机械科技有限公司 | Full-automatic core-pulling structure for lost foam |
| CN117583546B (en) * | 2024-01-16 | 2024-03-19 | 山东黑山路桥机械科技有限公司 | Full-automatic core-pulling structure for lost foam |
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