KR101565595B1 - Molding sand ejector for metal mold for casting - Google Patents

Molding sand ejector for metal mold for casting Download PDF

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Publication number
KR101565595B1
KR101565595B1 KR1020150041804A KR20150041804A KR101565595B1 KR 101565595 B1 KR101565595 B1 KR 101565595B1 KR 1020150041804 A KR1020150041804 A KR 1020150041804A KR 20150041804 A KR20150041804 A KR 20150041804A KR 101565595 B1 KR101565595 B1 KR 101565595B1
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KR
South Korea
Prior art keywords
seating block
base frame
casting
casting mold
molding sand
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Application number
KR1020150041804A
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Korean (ko)
Inventor
이재성
Original Assignee
삼형금속(주)
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Priority to KR1020150041804A priority Critical patent/KR101565595B1/en
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Publication of KR101565595B1 publication Critical patent/KR101565595B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/043—Removing the consumable pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
    • B22D29/02—Vibratory apparatus specially designed for shaking out flasks

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)

Abstract

An apparatus for removing a molding sand in the present invention is characterized by comprising a base frame including multiple reinforcing ribs, and mounted on the ground; a mounted block mounted on the base frame, having a casting mold supported, and including a discharge slope guiding a molding sand discharged from the casting mold to one side;′ a movable connection part formed between the mounted block and the base frame to movably connect the mounted block on the base frame; and a vibration part installed on the mounted block, and generating vibration when a power is supplied.

Description

Technical Field [0001] The present invention relates to a molding sand removing device for a casting mold,

The present invention relates to a casting mold manufacturing apparatus for a casting mold, and more particularly, to a casting mold manufacturing apparatus for a casting mold, which is capable of easily moving a casting mold to be filled in a mold while sandwiching the casting mold, To a casting mold removing device for a casting mold.

In general, casting is performed in order to make a casting, and it is performed in order of designing of casting, preparation of casting method, preparation of model, dissolution and injection of molten metal, and finishing to product.

First, the casting method for the product to be made is an important matter of how to design and combine the mold (mold). In principle, it is necessary to divide the entire mold into two halves ), And it is preferable to design the product so that the molten metal does not return to every corner due to the incorporation of bubbles, inclusions, cracks due to reduction in volume at the time of solidification, lack of fluidity, It should be devised not to cause any defects.

As the material of the mold, there are sand, metal, etc., and it is appropriately selected in consideration of the number of products manufactured, the required dimensional accuracy, the shape of the product, and the like.

In the conventional casting method as described above, the upper outer surface of the wooden mold is treated, the resin is coated on the upper surface of the wooden mold, and the resin is coated on the resin to dry the resin. Then, glass wafers were adhered and dried on the laminated resin to prepare an upper mold, a resin was applied to the lower surface of the wooden mold and dried, and the film was coated with a resin, a laminate resin and glass wool sequentially on the resin, A casting was produced.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Registration No. 10-1070582 (published on Oct. 05, 2011, entitled "Casting Casting Method").

The casting method according to the related art has a problem that it is difficult to reduce the time and cost required for proceeding a new casting process because the operator manually removes the casting mold filled in the mold after the casting process is completed, have.

Therefore, there is a need for improvement.

The present invention provides a molding sand removing device for a casting mold, which can easily remove molding sand packed in a mold while providing vibration by placing a casting mold on a seating block provided to be movable in a base frame and equipped with a vibrating part, There is a purpose.

The present invention provides a base frame comprising: a base frame having a plurality of reinforcing ribs and seated on a ground; A mounting block mounted on the base frame and supported by the casting mold and having a discharge slope for guiding the molding sand discharged from the casting mold to one side; A flow connection disposed between the seating block and the base frame for fluidly connecting the seating block to the base frame; And a vibration part installed in the seating block and generating vibration when power is supplied.

According to another aspect of the present invention, the seating block is formed with an opening on one side of the upper surface, and a casting slurry flowing into the upper side slides to one side and is sloped from the upper side to the lower side.

Further, the flow connection portion of the present invention may include: a plurality of first connection protrusions protruding from the base frame; A plurality of second connecting protrusions protruding from the seating block to face the first connecting protrusions; And an elastic member interposed between the base frame and the seating block to insert the first connection protrusion and the second connection protrusion.

Further, the present invention is characterized by further comprising a scattering prevention portion for guiding the foundry sand so that the casting sand discharged along the inclined slope is gathered to one side and stored in the collection box, and suppressing generation of dust while the casting sand is discharged.

In addition, the shatterproofing portion of the present invention may further include: a housing provided at one side of the seating block so as to accommodate molding sand falling from one opening of the seating block and provided with a collecting slope; A support bulkhead extending from the housing and integrally connected to the seating block; And a cover portion connected to the support partition and detachably attached to the housing and the seating block to cover the opening of the housing and the seating block.

The scattering prevention unit may further include a washing water supply unit for spraying water onto the molding sand discharged from the housing to prevent dust from being generated while the molding sand falls on the receptacle, A base plate installed and inclined downwardly; A plurality of nozzles installed on the support plate; And a supply pipe connected to the nozzle and supplying wash water to form a water film inside the base plate.

The casting mold removal device for a casting mold according to the present invention is characterized in that a casting mold which is seated on the upper surface of the seating block is vibrated so that the casting mold filled in the mold can be easily discharged There is an advantage that can be made.

Further, the casting sand removing device for a casting mold according to the present invention is provided with a discharge inclined surface through which a foundry sand is discharged to one side in a seating block, so that the foundry sand is discharged in a certain direction, and an operator can easily remove the foundry sand.

In the casting mold removing device for a casting mold according to the present invention, an elastic member is interposed between a first connecting protrusion protruding from the base frame and a second connecting protrusion protruded from the seating block, so that the seating block can be made to flow So that the casting mold can be supported in a flowable manner and the casting mold can be easily discharged from the casting mold.

Further, the casting mold removing device for a casting mold according to the present invention is provided with a scattering prevention part, so dust can be prevented from being generated when the casting sand is discharged, which can advantageously maintain the surrounding environment of the workplace pleasantly.

1 is an exploded perspective view illustrating a casting mold removing device for a casting mold according to an embodiment of the present invention.
2 is a cross-sectional view illustrating an apparatus for removing a molding sand for a casting mold according to an embodiment of the present invention.
3 is an operational state view illustrating a casting mold removing device for a casting mold according to an embodiment of the present invention.
4 is an exploded perspective view illustrating a casting mold removing device for a casting mold according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an apparatus for removing a molding sand for a casting mold according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is an exploded perspective view illustrating an apparatus for removing a molding sand for a casting mold according to an embodiment of the present invention, FIG. 2 is a sectional view illustrating an apparatus for removing a molding sand for a casting mold according to an embodiment of the present invention, FIG. 2 is a view showing the operation state of the casting mold removal device for a casting mold according to one embodiment of the present invention.

1 to 3, an apparatus for removing molding sand for a casting mold according to an embodiment of the present invention includes a base frame 10 having a plurality of reinforcing ribs 14 and seated on the ground, A mounting block 30 supported by the casting mold 100 and provided with a discharge slope surface 32 for guiding the foundry sand discharged from the casting mold 100 to one side and a mounting block 30 mounted on the base frame 10 A flow connection part 50 provided between the seating block 30 and the base frame 10 so as to be fluidly connected to the mounting block 30 and a vibration part 70 installed in the seating block 30 and generating vibration when power is supplied, .

After the casting process is completed, the molding sand that has been filled in the mold 100 is removed to the outside of the mold 100, and the molding sand to be used in the next process is filled into the mold 100 again. At this time, The mold 100 is seated on the upper surface of the seating block 30 of the present embodiment and the vibrating part 70 is driven to flow the seating block 30, The casting yarn is discharged.

The foundry sand falling from the upper surface of the seating block 30 is guided to one side of the seating block 30 along the exit slope 32 and falls out of the seating block 30 through one open side of the seating block 30 .

Since the molding sand can be easily discharged from the inside of the mold 100 by the operation as described above, the convenience of the operator can be improved.

The seating block 30 has a top surface and one side surface, and the casting slurry flowing into the top surface slides to one side and is sloped from the other top side to the bottom side to form a discharge sloping surface 32.

Since the plurality of support panels 34 are formed on the discharge inclined surface 32 with an interval therebetween, it is possible to support the casting mold 100 that is seated on the upper surface of the seating block 30, The casting mold 100 can be seated on the upper end of the plurality of support panels 34 arranged at intervals in the interval between the support panel 34 and both ends.

Since the guide rails 36 protruding in the oblique direction of the discharge slope 32 are formed at the intervals between the support panels 34, the molding sand discharged from the casting mold 100 moves along the interval between the support panels 34 The foundry sand sliding on the discharge inclined surface 32 and sliding along the discharge inclined surface 32 is guided and discharged to one side of the seating block 30 by the guide rail 36.

The flow connection portion 50 includes a plurality of first connection protrusions 52 protruding from the base frame 10 and a plurality of second connection protrusions 52 protruding from the seating block 30 to face the first connection protrusions 52. [ And an elastic member 56 interposed between the base frame 10 and the seating block 30 so as to insert the first connecting protrusion 52 and the second connecting protrusion 54 therein.

The first connection protrusions 52 protrude upward from the edges of both ends of the base frame 10 while the second connection protrusions 54 extend from the opposite ends of the mounting block 30 to the first connection protrusions 52 In the downward direction.

The first connecting protrusions 52 and the second connecting protrusions 54 are disposed opposite to each other to form a pair and the first connecting protrusions 52 are inserted from the upper end of the elastic member 56, 54 are inserted into the elastic member 56 from the lower end of the elastic member 56.

Accordingly, since both ends of the seating block 30 are supported by the plurality of elastic members 56 so that vibration is transmitted from the vibration unit 70 to the seating block 30, the seating block 30 is moved, Vibration is transmitted to the mold 100 supported by the mold 100. Therefore, the molding sand filled in the mold 100 is discharged to the outside of the mold 100. [

The base frame 10 of the present embodiment is formed in a frame shape for supporting the seating block 30 and has a plurality of legs extended downward from the rim and a plurality of reinforcing ribs 14 are formed on the outer wall of the base frame 10 .

Since the plurality of moving claw portions 12 are provided on the reinforcing ribs 14 of the base frame 10, when moving the base frame 10, a cage or a cable extending from a heavy equipment such as a crane is moved to the moving claw portions 12 So that the base frame 10 can be moved by driving the heavy equipment.

The operation of the apparatus for removing a molding sand for a casting mold according to an embodiment of the present invention will now be described.

The casting process is performed by filling the mold 100 in the mold 100. When the casting process is completed, a chain or a cable is connected to the moving protrusion 102 formed at the edge of the mold 100, (30).

Thereafter, when power is supplied to the vibration unit 70 by the operation of the operator, the vibration supplied from the vibration unit 70 is transmitted to the seating block 30. At this time, The molding block 30 filled in the mold 100 is discharged from the mold 100 while the mounting block 30 sufficiently flows in various directions.

The molding sand falling from the mold 100 flows into the inside from the upper surface of the seating block 30 and slides in one direction along the discharge slope 32 to be discharged outside the seating block 30. [

4 is an exploded perspective view illustrating a casting mold removing device for a casting mold according to another embodiment of the present invention.

Referring to FIG. 4, the apparatus for removing molding sand for a casting mold according to another embodiment of the present invention guides a molding sand so that the molding sand discharged along the discharge inclined surface 32 is gathered to one side and stored in a collection box 96, Scattering prevention portion 80 for preventing generation of dust during the operation of the engine.

Therefore, in the present embodiment, after the casting process is completed, a mold (not shown) is mounted on the upper surface of a mounting block 30 which is installed to be movable in the base frame 10 by receiving the mold 100 with a chain or cable extending from a heavy equipment such as a crane 100).

Thereafter, when the operator supplies power to the vibration unit 70, vibration is transmitted to the seating block 30 by driving the vibration unit 70, and at this time, The foundry sand falling from the mold 100 is discharged to the outside of the seating block 30 along the discharge slope 32 and the scattering prevention part 80 It is possible to prevent the environment of the operator from being contaminated by being guided to the receptacle 96 without scattering to the entire workplace.

The scattering prevention portion 80 includes a housing 84 provided at one side of the seating block 30 so as to receive the molding sand falling from one opening of the seating block 30 and provided with a collecting slope 84a, A housing 84 and a seating block 82 which are connected to the supporting bulkhead 82 and which cover the openings of the housing 84 and the seating block 30, And a cover portion (86) detachably attached to the base (30).

Since the cover portion 86 is formed in a case shape having a back face, a side face and a bottom face opened, when the cover portion 86 is coupled to the support partition wall 82, the housing 84 and the seating block 30, And covers the upper surface of the housing 84. As shown in Fig.

Therefore, dust can be prevented from being scattered from the foundry sand by the cover portion 86 when the foundry sand is discharged from the seating block 30. [

A rail 86a is formed at an upper end of the opened portion of the cover portion 86 to be inserted along the sliding groove portion 82a formed at the upper end of the support partition wall 82. [

The outer surface of the outer surface of the other side of the cover portion 86 is provided with a latching ring 86b so as to be engaged with the latching protrusion 86c formed on the side surface of the mounting block 30. [

When the cover portion 86 is seated on the support partition wall 82 and the housing 84 and then the retaining ring portion 86b is rotated to engage with the retaining projection portion 86c, The housing 84, and the support partition wall 82, as shown in Fig.

The shatterproofing portion 80 further includes a washing water supply portion 90 for spraying water to the foundry sand discharged from the housing 84 to prevent dust from being generated while the molding sand falls to the receptacle 96, Is provided with a support plate 94 provided on the collecting slope 84a and inclined downwardly, a plurality of nozzles 92 provided on the support plate 94, and a nozzle (not shown) 92 and a supply pipe 92a for supplying wash water.

The support plate 94 is installed at the end of the collection inclined surface 84a of the housing 84 and is inclined toward the receptacle 96 so that the molding sand discharged from the housing 84 can be guided to the receptacle 96, The washing water is sprayed from the nozzles 92 provided on both sides of the molding sand to supply moisture to the molding sand.

Since the proper amount of water is supplied to the foundry sand by the operation of the wash water supply unit 90 as described above, it is possible to more effectively prevent dust from being generated when the foundry sand falls to the receptacle 96 side.

Accordingly, it is possible to provide a molding sand removing device for a casting mold which can easily remove molding sand packed in a mold while providing a vibration by placing a casting mold on a seating block provided to be movable in the base frame and equipped with a vibrating part do.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

The casting mold removing device for a casting mold has been described as an example, but this is merely an example, and the removing device of the present invention can be used in other products than the casting mold removing device for a casting mold.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: base frame 12:
14: reinforcing rib 30: seating block
32: discharge slant surface 34: support panel
36: guide rail 50:
52: first connection projection 54: second connection projection
56: elastic member 70:
80: scattering prevention portion 82:
82a: sliding groove portion 84: housing
84a: collecting slope 86: cover
86a: rail 86b:
86c: a locking protrusion 90: a washing water supply part
92: nozzle 92a: supply pipe
94: Base plate 96:
100: Mold

Claims (6)

A base frame having a plurality of reinforcing ribs and seated on the ground;
A mounting block mounted on the base frame and supported by the casting mold and having a discharge slope for guiding the molding sand discharged from the casting mold to one side;
A flow connection disposed between the seating block and the base frame for fluidly connecting the seating block to the base frame;
A vibration unit installed in the seating block and generating vibration when power is supplied; And
And a scattering prevention part for guiding the foundry sand so that the casting sand discharged along the discharge slope is gathered to one side and stored in the collection box, and suppressing generation of dust while the casting sand is being discharged,
The scattering-
A housing installed at one side of the seating block to accommodate molding sand falling from one opening of the seating block and provided with a collecting slope;
A support bulkhead extending from the housing and integrally connected to the seating block;
A cover portion connected to the support partition and detachably mounted to the housing and the seating block to cover the opening of the housing and the seating block; And
And a washing water supply unit for spraying water to the foundry sand discharged from the housing to prevent dust from being generated while the molding sand falls on the receptacle,
The washing water supply unit
A receiving plate provided on the collecting slope and arranged to be inclined downward;
A plurality of nozzles installed on the support plate; And
And a supply pipe connected to the nozzle and supplying wash water to form a water film in the inside of the bottom plate.
The method according to claim 1,
Wherein the seating block is formed with a top surface and one side surface opened, and a casting slurry flowing into the top surface slides to one side and is sloped from the other top side to one bottom side so as to be discharged.
2. The apparatus of claim 1,
A plurality of first connection protrusions protruding from the base frame;
A plurality of second connecting protrusions protruding from the seating block to face the first connecting protrusions;
And an elastic member interposed between the base frame and the seating block to insert the first connection protrusion and the second connection protrusion.
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KR1020150041804A 2015-03-25 2015-03-25 Molding sand ejector for metal mold for casting KR101565595B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101682981B1 (en) 2016-07-27 2016-12-08 세화금속공업주식회사 Construction for molding sand
KR102229858B1 (en) * 2019-10-01 2021-03-18 이재성 The manufacturing method for casting products
CN116251935A (en) * 2023-02-21 2023-06-13 北京智创芯源科技有限公司 Small ingot manufacturing device and method
CN117943515A (en) * 2024-03-26 2024-04-30 宁波力劲科技有限公司 Lost foam casting equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005524523A (en) * 2002-05-03 2005-08-18 ジェネラル キネマティクス コーポレイション Vibratory sand recovery device with normal mode and removal mode
KR101480107B1 (en) * 2013-07-24 2015-01-13 삼형금속(주) Collecting apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005524523A (en) * 2002-05-03 2005-08-18 ジェネラル キネマティクス コーポレイション Vibratory sand recovery device with normal mode and removal mode
KR101480107B1 (en) * 2013-07-24 2015-01-13 삼형금속(주) Collecting apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101682981B1 (en) 2016-07-27 2016-12-08 세화금속공업주식회사 Construction for molding sand
KR102229858B1 (en) * 2019-10-01 2021-03-18 이재성 The manufacturing method for casting products
CN116251935A (en) * 2023-02-21 2023-06-13 北京智创芯源科技有限公司 Small ingot manufacturing device and method
CN116251935B (en) * 2023-02-21 2023-08-22 北京智创芯源科技有限公司 Small ingot manufacturing device and method
CN117943515A (en) * 2024-03-26 2024-04-30 宁波力劲科技有限公司 Lost foam casting equipment
CN117943515B (en) * 2024-03-26 2024-06-11 宁波力劲科技有限公司 Lost foam casting equipment

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