CN116833397A - Precoated sand mold casting pouring equipment - Google Patents

Abstract

The invention relates to the field of sand casting, in particular to precoated sand mold casting pouring equipment, which comprises: the storage vat, the outer cover sleeved on the outer side of the storage vat, and the sealing plate and the adjusting plate arranged in the outer cover; and an adjusting component for adjusting the height of the adjusting plate, wherein a trough is arranged on the inner wall of the storage barrel, a discharging cavity is arranged on the inner wall of the outer cover, the sealing plate is separated from the inner wall of the outer cover and the lower end surface of the storage barrel to form a temporary storage cavity, a discharging pipe is arranged at the central position of the sealing plate, a sealing column is arranged at the central position of the adjusting plate, the outer cover descends along the storage barrel until the discharging cavity is disconnected from the temporary storage cavity, and the adjusting component withdraws the sealing column from the discharging pipe. The invention forms dislocation between the trough and the discharging cavity through the sleeved outer cover and the storage barrel, thereby realizing discharging and sealing of the storage barrel, not only avoiding high-temperature fluid splashing caused by direct dumping, but also discharging in a quantitative mode.

Description

Precoated sand mold casting pouring equipment

Technical Field

The invention relates to the field of sand casting, in particular to precoated sand mold casting pouring equipment.

Background

The casting of tectorial membrane molding sand generally refers to the preparation of sand core by tectorial membrane sand, and place core sand in the sand box, pour fluid such as molten steel from the tip of sand box, take shape in the inside of sand box, the casting equipment that adopts in the prior art is usually the ladle, pour into the shaping in the sand box from the ladle through empting the mode, this technical scheme, though can satisfy the shaping requirement, the fluid is pour directly from the material mouth of ladle, because the fluid of pouring is the high temperature state, can produce splashes, the fluid of splashing exists certain security risk for operating personnel.

Disclosure of Invention

Aiming at the defects existing in the prior art, the invention provides the following technical scheme:

precoated sand mold casting pouring equipment includes: the storage vat, the outer cover sleeved on the outer side of the storage vat, and the sealing plate and the adjusting plate arranged in the outer cover; and an adjusting assembly for adjusting the height of the adjusting plate.

Specifically, the silo has been seted up on the inner wall of storage vat, the row material chamber has been seted up on the inner wall of dustcoat, seal the inner wall of board and dustcoat and the lower terminal surface of storage vat and separate and form the cavity of keeping in, the central point of sealing the board puts and is provided with the discharging pipe, the central point of regulating plate puts and is provided with the seal post, the dustcoat rises along the storage vat until the upside and the silo intercommunication of row material chamber, when the downside and the cavity of keeping in of row material communicate, the regulating assembly will seal the post and push and seal the discharging pipe, the dustcoat descends along the storage vat until when row material chamber and the cavity of keeping in disconnection, the regulating assembly will seal the post and take out from the discharging pipe.

As an improvement of the technical scheme, the storage barrel comprises an inner barrel and an outer barrel, wherein the upper end of the inner barrel is fixed, a caulking groove is formed between the inner barrel and the outer barrel, and the outer cover is embedded into the caulking groove in a lifting manner.

As the improvement of above-mentioned technical scheme, the dustcoat is kept away from the terminal surface of interior bucket and is provided with the inner panel, separate between inner panel and the dustcoat and be formed with annular cavity, the lower terminal surface of sealing the board is provided with the inside cardboard that seals of inserting the cavity, sealing the inboard that seals board and sealing cardboard laminating dustcoat, the inboard of inner panel is fixed with the locating plate, the middle part rotation of locating plate is provided with the spiro ring, the inner wall and the outer wall threaded connection of discharging pipe of spiro ring.

As an improvement of the technical scheme, the outer edge of the lower end part of the outer cylinder is provided with a first outer plate, the outer cover is provided with a second outer plate matched with the first outer plate, and the upper end surface of the first outer plate is provided with an adjusting bolt penetrating through the second outer plate through threads.

As an improvement of the technical scheme, the adjusting component comprises a connecting cylinder which is fixed on the two lower end surfaces of the outer plate through threads, the connecting cylinder is a non-cylinder, an air duct is detachably arranged in the connecting cylinder, a penetrating cavity is formed in the sealing clamping plate, the lower end of the adjusting bolt penetrates into the connecting cylinder, a sealing plug is connected with the outer side of the part of the adjusting bolt, which is positioned on the connecting cylinder, through threads, of the adjusting bolt, the sealing plug is attached to the inner wall of the connecting cylinder, an adjusting column is arranged on the lower end surface of the adjusting plate, the adjusting column is inserted from the upper end of the penetrating cavity, and one end, far away from the connecting cylinder, of the air duct penetrates from the lower end of the penetrating cavity;

when the adjusting bolt is screwed down, the sealing plug is lifted up in the connecting cylinder, the air pressure in the penetrating cavity is reduced, the adjusting column moves towards the penetrating cavity, and the adjusting plate moves downwards to enable the sealing column to seal the discharging pipe.

As the improvement of above-mentioned technical scheme, the air duct is including hard tube and the hose of intercommunication, hard tube and connecting cylinder intercommunication, the hose penetrates from the lower extreme that runs through the chamber.

As the improvement of above-mentioned technical scheme, the bottom of interior bucket has the bottom plate, the silo is seted up on interior bucket inner wall, the tank bottom of silo is in same horizontal plane with the up end of bottom plate, the inner wall of dustcoat is provided with the inside piece that seals of inserting the silo, the both sides wall laminating silo of sealing the piece, the discharge chamber sets up in the below of sealing the piece, seal the piece and discharge chamber between the distance be less than seal the path length that the piece removed in the silo, the height of discharge chamber is greater than the thickness of bottom plate.

As an improvement of the technical scheme, one side of the adjusting plate is provided with a material opening, and the material opening is used for communicating the upper side and the lower side of the temporary storage cavity, which are separated by the adjusting plate.

As an improvement of the technical scheme, a hanging frame is fixed on the outer side wall of the outer cylinder and is used for being connected with hanging equipment.

The invention has the beneficial effects that:

the outer cover and the storage vat are arranged in a sleeved mode, dislocation between the trough and the discharge cavity is formed, discharging and sealing of the storage vat are achieved, sealing and opening of the discharge pipe are achieved when the storage vat is in dislocation through the cooperation of the adjusting assembly, a temporary storage cavity is formed between the outer cover and the storage vat, the discharge amount is controlled through the temporary storage cavity, quantitative discharge can be conducted in a mode of discharging from the bottom, high-temperature fluid splashing caused by direct dumping can be avoided, discharging can be conducted in a quantitative mode, and accuracy of discharging every time is guaranteed.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an isometric cross-sectional view taken at A-A in FIG. 2;

FIG. 4 is an enlarged structural view of the portion A in FIG. 3;

FIG. 5 is an enlarged structural view at B in FIG. 3;

FIG. 6 is an exploded view of the structure of the present invention;

FIG. 7 is an exploded view from the opposite perspective to FIG. 6;

fig. 8 is a state change diagram between a storage bucket and a housing according to the present invention, wherein fig. a shows a state diagram of a structure in which a discharge cavity is not discharging, and fig. b shows a state diagram of a structure in which a discharge cavity is discharging.

Reference numerals: 10. a storage barrel; 11. an inner barrel; 111. a trough; 112. a bottom plate; 12. an outer cylinder; 121. an outer plate I; 13. a caulking groove; 14. an adjusting bolt; 141. a sealing plug; 15. a hanging frame; 20. an outer cover; 21. a sealing block; 22. a discharge cavity; 23. an outer plate II; 24. an inner plate; 25. a connecting cylinder; 26. an air duct; 261. a hard tube; 262. a hose; 27. a positioning plate; 30. sealing plate; 31. a sealing clamping plate; 32. a through cavity; 33. a discharge pipe; 34. a spiro ring; 40. an adjusting plate; 41. an adjusting column; 42. a material port; 43. sealing the column; 50. a temporary storage cavity.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

In the prior art, a steel ladle is generally adopted for casting molding sand, and particularly, fluid is poured into a sand-type box body from the steel ladle in a pouring way to be molded, and the technical scheme can meet the molding requirement, but the fluid is directly poured out from a nozzle of the steel ladle, and the poured fluid is in a high-temperature state and possibly splashed, so that certain safety risks exist for operators

In order to solve this problem, please refer to fig. 1, 4 and 5, a precoated sand mold casting apparatus includes: the storage vat 10, the outer cover 20 sleeved outside the storage vat 10, the sealing plate 30 and the adjusting plate 40 arranged inside the outer cover 20; and an adjusting assembly for adjusting the height of the adjusting plate 40.

Specifically, the inner wall of the storage bucket 10 is provided with a trough 111, the inner wall of the outer cover 20 is provided with a discharge cavity 22, the sealing plate 30 is separated from the inner wall of the outer cover 20 and the lower end surface of the storage bucket 10 to form a temporary storage cavity 50, the central position of the sealing plate 30 is provided with a discharge pipe 33, and the central position of the adjusting plate 40 is provided with a sealing column 43.

When the outer cover 20 ascends along the storage vat 10, the discharging cavity 22 ascends along with the outer cover 20, when the discharging cavity 22 ascends to the upper side of the discharging cavity 22 and the trough 111 are communicated, when the lower side of the discharging cavity 22 and the temporary storage cavity 50 are communicated, fluid in the storage vat 10 can enter the temporary storage cavity 50 along the discharging cavity 22, in the process, the sealing column 43 is pushed into and seals the discharging pipe 33 by the adjusting component, the discharging pipe 33 is sealed by the sealing column 43 by the adjusting component, so that the temporary storage cavity 50 is in a state of being sealed at the bottom and the top is communicated with the position of the discharging cavity 22, and in this case, the temporary storage fluid in the temporary storage cavity 50 can be prevented from leaking.

After the above operation is completed, the outer cover 20 is controlled to move downwards, the discharging cavity 22 moves downwards, after the discharging cavity 22 is completely closed, the discharging cavity 22 is disconnected with the temporary storage cavity 50, after the connection is disconnected, fluid in the storage bucket 10 cannot enter the temporary storage cavity 50 through the discharging cavity 22, in the process, the adjusting component is controlled to draw the sealing column 43 out of the discharging pipe 33, namely, the opening of the discharging pipe 33 is opened, so that fluid in the temporary storage cavity 50 can flow out from the discharging pipe 33, and only the discharging pipe 33 is controlled to be aligned with the feeding port of the sand box body, so that splashed fluid cannot be generated, the safety of operators is ensured, and the quantitative discharging function can be realized by controlling the specification of the temporary storage cavity 50.

In one embodiment, referring to fig. 3, the storage barrel 10 includes an inner barrel 11 and an outer barrel 12 with fixed upper ends, a caulking groove 13 is spaced between the inner barrel 11 and the outer barrel 12, and the outer cover 20 is liftably inserted into the caulking groove 13.

By providing the outer cylinder 12 outside to provide a position restriction for the outer cover 20, the outer cover 20 is ensured to be always tightly attached to the outer wall of the inner cylinder 11, the tightness of the connection between the outer cover and the inner cylinder is ensured, and the sealing protection for the trough 111 is increased.

In the foregoing solution, the height of the sealing plate 30 is not adjustable, which results in that the specifications of each temporary storage cavity 50 are consistent, different specifications of the temporary storage cavities 50 can be realized only by producing structures with different specifications, in order to avoid the problem, the temporary storage cavities 50 are required to be in an adjustable state, the height of the sealing plate 30 is required to be controlled to be adjustable, and in particular, referring to fig. 4 and 5, an end surface of the outer cover 20 far away from the inner barrel 11 is provided with an inner plate 24, an annular cavity is formed between the inner plate 24 and the outer cover 20, a sealing clamping plate 31 inserted into the cavity is arranged on the lower end surface of the sealing plate 30, the sealing plate 30 is attached to the inner wall of the outer cover 20 with the sealing clamping plate 31, a positioning plate 27 is fixed on the inner side of the inner plate 24, a spiral ring 34 is rotatably arranged in the middle of the positioning plate 27, and the inner wall of the spiral ring 34 is in threaded connection with the outer wall of the discharging pipe 33.

Namely, the discharging pipe 33 is driven to move through the rotation of the spiral ring 34, as the sealing plate 30 is attached to the inner wall of the outer cover 20 through the sealing clamping plate 31, the sealing plate 30 is not rotatable, and in the state that the discharging pipe 33 is in screw driving, a screw driving state can be formed, the sealing plate 30 is driven to move upwards or downwards, so that an adjusting state is achieved, the sealing function in the adjusting process is realized through the attachment of the sealing clamping plate 31 to the outer cover 20, the adjustability and the sealing performance of the structure are ensured, and the specific quantity of injected fluid can be adjusted according to different die cavities in the using process.

In one embodiment, referring to fig. 4 and 7, an outer plate 121 is disposed at the outer edge of the lower end of the outer cylinder 12, the outer cover 20 is provided with an outer plate two 23 mated with the outer plate one 121, and an adjusting bolt 14 threaded through the outer plate two 23 is disposed at the upper end surface of the outer plate one 121.

The outer plate two 23 is driven to lift on the adjusting bolt 14 in a threaded mode through rotating the adjusting bolt 14, so that the outer cover 20 can lift on the outer side of the inner barrel 11, and in addition, in actual working, an electric control device can be arranged on the side wall of the outer barrel 12 to drive the adjusting bolt 14 to rotate.

In order to realize synchronous closing and opening of the discharging pipe 33 while adjusting the height of the outer cover 20 by the adjusting bolt 14, referring to fig. 4 to 7, specifically, the adjusting assembly includes a connecting cylinder 25 screwed on the lower end surface of the outer plate two 23, the connecting cylinder 25 is a non-cylinder, an air duct 26 is detachably disposed in the connecting cylinder 25, a through cavity 32 is formed in the interior of the sealing clamping plate 31, the lower end of the adjusting bolt 14 penetrates into the interior of the connecting cylinder 25, a sealing plug 141 is screwed on the outer side of a part of the adjusting bolt 14 located in the connecting cylinder 25, the sealing plug 141 is attached to the inner wall of the connecting cylinder 25, an adjusting column 41 is disposed on the lower end surface of the adjusting plate 40, the adjusting column 41 is inserted from the upper end of the through cavity 32, and one end of the air duct 26 away from the connecting cylinder 25 penetrates from the lower end of the through cavity 32.

When the adjusting bolt 14 is screwed down, the outer plate 23 is lifted up along the screw thread of the adjusting bolt 14, the sealing plug 141 is lifted up in the connecting cylinder 25, the front end of the connecting cylinder 25 is increased in area due to the fixed length of the air duct 26, the air pressure in the whole flow passage is reduced due to the lifting up of the sealing plug 141, in particular, the air pressure in the through cavity 32 is reduced, the adjusting column 41 moves towards the through cavity 32, and the adjusting plate 40 is fixed on the adjusting column 41, so that the adjusting plate 40 is moved down to enable the sealing column 43 to seal the discharging pipe 33, and the fluid in the inner barrel 11 is sent into the temporary storage cavity 50, in particular, the state refers to the graph (b) in fig. 8.

When the adjusting bolt 14 is unscrewed, the outer plate two 23 descends along the screw thread of the adjusting bolt 14, the sealing plug 141 descends in the connecting cylinder 25, at this time, the front end area of the connecting cylinder 25 is reduced, the air pressure in the whole flow passage is increased due to the descending of the sealing plug 141, and the air pressure in the through cavity 32 is large, so that the adjusting column 41 is pressed to move out of the through cavity 32, the adjusting plate 40 is lifted, the sealing column 43 opens the discharging pipe 33, and the fluid in the temporary storage cavity 50 is discharged from the discharging pipe 33, and the specific state is shown in the graph (a) in fig. 8.

In the above technical solution, since the height of the sealing plate 30 is adjusted by the screw ring 34, this may cause a problem of connection of the air duct 26, and in order to solve this problem, referring to fig. 5 and 6, the air duct 26 includes a hard tube 261 and a flexible tube 262, the hard tube 261 is communicated with the connecting tube 25, and the flexible tube 262 penetrates from the lower end of the through cavity 32.

Like this when adjusting, hose 262 can follow it and carry out synchronous motion, and hose 262 can directly get into the inside that runs through chamber 32 decides along with the regulating spindle promptly, and can not influence the size of inside whole space, can not cause the atmospheric pressure in the runner to change too greatly promptly, and this kind of structure has reduced the influence that produces when adjusting when the inner structure that leads to removes.

In one embodiment, referring to fig. 4, the bottom of the inner barrel 11 has a bottom plate 112, the trough 111 is opened on the inner wall of the inner barrel 11, the bottom of the trough 111 and the upper end surface of the bottom plate 112 are on the same horizontal plane, the inner wall of the outer cover 20 is provided with a sealing block 21 inserted into the trough 111, two side walls of the sealing block 21 are attached to two side walls of the trough 111, the discharging cavity 22 is disposed below the sealing block 21, the distance between the sealing block 21 and the discharging cavity 22 is smaller than the path length of the movement of the sealing block 21 in the trough 111, and the height of the discharging cavity 22 is greater than the thickness of the bottom plate 112.

The communication state is the same as the technical scheme, and the difference is that a sealing block 21 is arranged to seal in an auxiliary way, and a distance is arranged between the sealing block 21 and the discharging cavity 22, so that the sealing path is enlarged, the sealing effect is enhanced, the good sealing effect is ensured under the state of repeated movement, the moving distance of the outer cover 20 is limited by the arrangement of the sealing block 21, the sealing is assisted in the trough 111, and the sealing effect at the position of the trough 111 is further enhanced.

In the above technical solution, it is necessary to ensure stable adjustment of the adjusting plate 40, which requires that the adjusting plate 40 has a certain width, and the specific specification of the adjusting plate 40 cannot affect the bottom sealing plate 30, in this case, the adjusting plate 40 may be larger, in order to avoid the adjusting plate 40 separating the temporary storage cavity 50, specifically, please refer to fig. 4, one side of the adjusting plate 40 is provided with a material opening 42, and the material opening 42 is used for communicating the upper and lower sides of the temporary storage cavity 50 separated by the adjusting plate 40.

The circulation of fluid is realized through the material port 42, so that the temporary storage cavity 50 can be always in a communicated state as long as the material port 42 is ensured to exist, and the temporary storage cavity 50 is not influenced.

In one embodiment, referring to fig. 1, a hanging frame 15 is fixed on an outer sidewall of the outer cylinder 12, and the hanging frame 15 is used for connecting with a hanging device.

The suspension 15 is usually an auxiliary connection suspension, and the suspension may be fixed or movable, and if a movable suspension is used, the two sides of the suspension 15 need to have large torque bolts, because the whole casting device has large specification and large gravity, and if the strength of the bolts is insufficient, sliding wires or broken bolts may occur.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.

Claims (9)

1. Precoated sand mold casting pouring equipment, its characterized in that includes:

the storage barrel (10) is provided with a trough (111) on the inner wall of the storage barrel (10);

an outer cover (20) sleeved on the outer side of the storage vat (10), wherein a discharging cavity (22) is formed in the inner wall of the outer cover (20);

a sealing plate (30) and an adjusting plate (40) arranged inside the outer cover (20); and

an adjusting assembly for adjusting the height of the adjusting plate (40);

the sealing plate (30) is separated from the inner wall of the outer cover (20) and the lower end face of the storage barrel (10) to form a temporary storage cavity (50), a discharging pipe (33) is arranged at the center of the sealing plate (30), and a sealing column (43) is arranged at the center of the adjusting plate (40);

the outer cover (20) ascends along the storage vat (10) until the upper side of the discharging cavity (22) is communicated with the trough (111), and when the lower side of the discharging cavity (22) is communicated with the temporary storage cavity (50), the sealing column (43) is pushed into and seals the discharging pipe (33) by the adjusting component;

the outer cover (20) descends along the storage bucket (10) until the discharging cavity (22) is disconnected with the temporary storage cavity (50), and the sealing column (43) is pulled out of the discharging pipe (33) through the adjusting component.

2. The precoated sand mold casting and pouring apparatus of claim 1 wherein: the storage barrel (10) comprises an inner barrel (11) and an outer barrel (12) with the upper end parts fixed, a caulking groove (13) is formed between the inner barrel (11) and the outer barrel (12), and the outer cover (20) is embedded into the caulking groove (13) in a lifting mode.

3. The precoated sand mold casting and pouring apparatus of claim 2 wherein: an inner plate (24) is arranged on one end face of the outer cover (20) away from the inner barrel (11), an annular cavity is formed between the inner plate (24) and the outer cover (20), a sealing clamping plate (31) inserted into the cavity is arranged on the lower end face of the sealing plate (30), the sealing plate (30) is attached to the inner wall of the outer cover (20) through the sealing clamping plate (31), a positioning plate (27) is fixed on the inner side of the inner plate (24), a spiral ring (34) is arranged in the middle of the positioning plate (27) in a rotating mode, and the inner wall of the spiral ring (34) is in threaded connection with the outer wall of the discharging pipe (33).

4. A precoated sand mold casting apparatus as claimed in claim 3, wherein: an outer plate I (121) is arranged at the outer edge of the lower end part of the outer cylinder (12), an outer plate II (23) matched with the outer plate I (121) is arranged on the outer cover (20), and an adjusting bolt (14) penetrating through the outer plate II (23) in a threaded mode is arranged on the upper end face of the outer plate I (121).

5. The precoated sand mold casting and pouring apparatus of claim 4 wherein: the adjusting component comprises a connecting cylinder (25) which is fixed on the lower end face of an outer plate II (23) through threads, the connecting cylinder (25) is a non-cylinder, an air duct (26) is detachably arranged in the connecting cylinder (25), a penetrating cavity (32) is formed in the sealing clamping plate (31), the lower end of the adjusting bolt (14) penetrates into the connecting cylinder (25), a sealing plug (141) is connected with the outer side of a part of the adjusting bolt (14) located on the connecting cylinder (25) through threads, the sealing plug (141) is attached to the inner wall of the connecting cylinder (25), an adjusting column (41) is arranged on the lower end face of the adjusting plate (40), the adjusting column (41) is inserted from the upper end of the penetrating cavity (32), and one end, far away from the connecting cylinder (25), of the air duct (26) penetrates from the lower end of the penetrating cavity (32);

when the adjusting bolt (14) is screwed down, the position of the sealing plug (141) in the connecting cylinder (25) is raised, the air pressure in the penetrating cavity (32) is lowered, the adjusting column (41) moves inwards in the penetrating cavity (32), and the adjusting plate (40) is moved downwards so that the sealing column (43) seals the discharging pipe (33).

6. The precoated sand mold casting and pouring apparatus of claim 5, wherein: the air duct (26) comprises a hard tube (261) and a hose (262) which are communicated, the hard tube (261) is communicated with the connecting cylinder (25), and the hose (262) penetrates from the lower end of the penetrating cavity (32).

7. The precoated sand mold casting pouring apparatus according to any one of claims 2 to 6, wherein: the bottom of interior bucket (11) has bottom plate (112), silo (111) are seted up on interior bucket (11) inner wall, the tank bottom of silo (111) is in on the same horizontal plane with the up end of bottom plate (112), the inner wall of dustcoat (20) is provided with and inserts inside sealing piece (21) of silo (111), sealing piece (21) both sides wall laminating silo (111) both sides wall, discharge chamber (22) set up in sealing piece (21) below, sealing piece (21) and discharge chamber (22) between the distance be less than sealing piece (21) at the path length of silo (111) internal movement, the height of discharge chamber (22) is greater than the thickness of bottom plate (112).

8. The precoated sand mold casting apparatus of claim 7 wherein: one side of the adjusting plate (40) is provided with a material opening (42), and the material opening (42) is used for communicating the upper side and the lower side of the temporary storage cavity (50) separated by the adjusting plate (40).

9. The precoated sand mold casting apparatus of claim 8 wherein: and a hanging frame (15) is fixed on the outer side wall of the outer barrel (12), and the hanging frame (15) is used for being connected with hanging equipment.