KR102467572B1 - Sand secession apparatus for sub-flame - Google Patents

Abstract

The present invention relates to a core ejector for a subframe for a vehicle, and more particularly, to a chamber provided with an opening/closing frame that rotates in a vertical direction; a subframe seated on a fixing bracket provided on one side of the opening and closing frame, one side of which is formed with a solid chamber, and the other side is formed with a first hollow and a second hollow; a first ejection unit provided inside the chamber and rotated by being inserted into the first hollow; a second shaving unit provided inside the chamber and inserted into the second hollow to move up and down; It is provided inside the chamber and is characterized in that it includes; a third ejection unit hitting the surface of the subframe.

Description

Sand secession apparatus for sub-flame}

The present invention relates to a core ejector for a vehicle subframe, and more particularly, to a core formed in a first hollow through a first shaving unit, which can detach a core by a rotational force, and is formed in a second hollow through a second shaving unit. The present invention relates to a core de-sanding device for a subframe for a vehicle, capable of de-sanding cores by elevating and descending, and increasing de-sanding efficiency by de-sanding cores formed in a sub-frame through a third de-sanding unit.

In general, a molding sand despinning machine has an operating mode of crushing a molding sand core in a casting product by generating vibration and applying a blow to the casting product.

In such a conventional casting sand descaling machine, the lower despinning table on which the cast product is placed rotates by link driving, and the upper despinning head, which is also rotated by link driving, is combined with the descanning table, and a plurality of descaling machines mounted on the side of the despinning machine head. The air hammer (air hammer) approaches and applies a blow with a certain stroke (stroke) to the casting.

However, according to the conventional molding sand desaver as described above, since the chisel at the bottom of the air hammer moves in an up and down stroke to apply blows to the product, the phenomenon of breaking the chisel often occurs. To prevent this, the striking force of the chisel must be lowered And as the number of blows per unit time, that is, the frequency, also needs to be lowered, it has become a factor that reduces the efficiency of the descattering machine.

In addition, the noise generated when the chisel vibrates and strikes is considerable, which deteriorates the environment at the work site.

In addition, the problem of burning and crushing of the rubber part that mediates between the seating base supporting the cast product on the sanding table and the steel pin fixing it and the support surface due to the blow by the chisel is emerging. to be.

Republic of Korea Utility Model Registration No. 20-0332278

The present invention has been devised in view of the above problems, and an object of the present invention is to desalinate the core formed in the first hollow through the first shaving part by a rotational force, and through the second shaving part to form the second hollow. An object of the present invention is to provide a core de-sanding device for a vehicle subframe for increasing the de-sanding efficiency of the sub-frame by de-sanding the core formed on the .

Another object of the present invention is to provide a core de-sanding device for a vehicle subframe for increasing the de-sanding efficiency of the sub-frame together with the first and second de-sanding units by de-sanding the core formed on the sub-frame through the third de-sanding unit. are doing

Objects of the embodiments of the present invention are not limited to the above-mentioned purposes, and other objects not mentioned above will be clearly understood by those skilled in the art from the description below. .

According to a feature for achieving the object as described above, the present invention is a chamber provided with an opening and closing frame that rotates in the vertical direction;

a subframe seated on a fixing bracket provided on one side of the opening and closing frame, one side of which is formed with a solid chamber, and the other side is formed with a first hollow and a second hollow;

a first ejection unit provided inside the chamber and rotated by being inserted into the first hollow;

a second shaving unit provided inside the chamber and inserted into the second hollow to move up and down;

a third ejection unit provided inside the chamber and hitting the surface of the subframe;

A core ejector for a vehicle subframe including a may be provided.

In addition, according to an embodiment of the present invention, the first desalination unit,

a first support plate provided inside the chamber;

a first rail provided above the first support plate;

a rotation unit installed on the first rail and having a fixed position adjusted along the first rail;

A core ejector for a vehicle subframe including a may be provided.

In addition, according to an embodiment of the present invention, the rotation unit,

a first driving motor;

a screw pin provided at an end of the first drive motor and inserted into the first hollow to detach the core formed in the first hollow through rotation;

A core ejector for a vehicle subframe including a may be provided.

In addition, according to an embodiment of the present invention, the first support plate,

A core ejection device for a subframe for a vehicle coupled to a first rotation plate provided inside the chamber and rotated at a predetermined angle may be provided.

In addition, according to an embodiment of the present invention, the second desalination unit,

a second support plate provided inside the chamber;

a second rail provided above the second support plate;

an elevating unit installed on the upper part of the second rail and having a fixing position adjusted along the second rail;

A core ejector for a vehicle subframe including a may be provided.

In addition, according to an embodiment of the present invention, the elevating unit,

elevating cylinder;

an elevating pin provided at an end of the elevating cylinder and inserted into the second hollow to detach the core formed in the second hollow by elevating and descending of the elevating unit;

A core ejector for a vehicle subframe including a may be provided.

In addition, according to an embodiment of the present invention, the second support plate,

A core ejection device for a subframe for a vehicle coupled to a second rotation plate provided inside the chamber and rotated at a predetermined angle may be provided.

In addition, according to an embodiment of the present invention, the third deserting unit,

a third support plate provided inside the chamber;

a third rail provided on an upper portion of the third support plate;

a vibration unit installed on the upper portion of the third rail and having a fixed position adjusted along the third rail;

A core ejector for a vehicle subframe including a may be provided.

In addition, according to an embodiment of the present invention, the excitation unit,

excitation cylinder;

An excitation pin provided at an end of the excitation cylinder and applying a blow to the surface of the subframe with a constant stroke by the operation of the excitation cylinder to eject the core formed inside the subframe;

A core ejector for a vehicle subframe including a may be provided.

According to the core de-sanding device of a subframe for a vehicle of the present invention, the core formed in the first hollow through the first de-shaking unit can be de-sanded by rotational force, and the core formed in the second hollow through the second de-shaving unit can be moved up and down. There is an effect of increasing the desalination efficiency of the subframe by desalination by the.

In addition, by de-sanding the core formed in the sub-frame through the third de-sanding unit, there is an effect of increasing the de-sanding efficiency of the sub-frame together with the first and second de-sanding units.

1 is a perspective view showing a core ejector for a subframe for a vehicle according to an embodiment of the present invention;
2 is a plan view showing the inside of a chamber of a core degasser of a subframe for a vehicle according to an embodiment of the present invention;
Figure 3 is a perspective view showing the inside of the chamber of the core descaling device of the subframe for a vehicle according to an embodiment of the present invention;
4 is a perspective view showing the inside of a chamber of a core degasser of a subframe for a vehicle according to an embodiment of the present invention;
FIG. 5 is a side view illustrating a rotational state of first and second shaving parts inside a chamber of a core degasser of a subframe for a vehicle according to an embodiment of the present invention.

Objects, other objects, features and advantages of the present invention below will be easily understood through the following preferred embodiments in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms.

Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete and the spirit of the present invention will be sufficiently conveyed to those skilled in the art.

Embodiments described and illustrated herein also include complementary embodiments thereof.

In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. The terms 'comprise' and/or 'comprising' used in the specification do not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific details have been prepared to more specifically describe the invention and aid understanding. However, those who have knowledge in this field to the extent that they can understand the present invention can recognize that it can be used without these various specific contents. In some cases, it is mentioned in advance that parts that are commonly known in describing the invention and are not greatly related to the invention are not described to prevent confusion in describing the present invention.

FIG. 1 is a perspective view showing a core ejector for a subframe for a vehicle according to an embodiment of the present invention, and FIG. 2 is a plan view showing the inside of a chamber of the core ejector for a subframe for a vehicle according to an embodiment of the present invention. 3 is a perspective view showing the inside of a chamber of a core de-ejector for a subframe for a vehicle according to an embodiment of the present invention, and FIG. FIG. 5 is a side view showing a rotational state of first and second shaving units inside a chamber of a core degasser of a subframe for a vehicle according to an embodiment of the present invention.

As shown in FIGS. 1 to 5 , the core ejector of the subframe for a vehicle according to the present invention includes a chamber 100, a subframe 200, a first desharpening unit 300, and a second deshaving unit 400. ) and a third evasion unit 500.

First, the chamber 100 is configured to include an opening and closing frame 110 that rotates in the vertical direction.

At least one opening/closing frame 110 is provided so that the sub-frames 200 to be described below can be rapidly removed from yarn, thereby increasing the speed of product mass production.

Here, the opening and closing frame 110 is hinged with one side of the chamber 100 and rotates in the vertical direction. will turn to

In addition, the circumference of one side of the opening and closing frame 110 is formed to be stepped, and the circumference of one side of the chamber 100 is also formed to be stepped to correspond thereto, so that the inner space of the chamber 100 can be sealed, It is possible to prevent noise and dust generated during the desalination process of the subframe 200 from being leaked to the outside, which will be described below.

In addition, it is preferable to improve the sealing force with the chamber 100 by providing a packing material (not shown) around the step of the opening and closing frame 110 .

The chamber 100 has a space formed therein to accommodate the first shaving unit 300 , the second shaving unit 400 , and the third shaving unit 500 .

In addition, a soundproofing pad (not shown) is installed on the inner surface of the chamber 100 to prevent noise generated during the desalination process of the subframe 200 to be described below, and a dustproof facility (not shown) is provided. Dust generated in the process of sand removal may be purified and discharged to the outside.

The subframe 200 is seated on a fixing bracket 120 provided on one side of the opening and closing frame 110, one side is formed with a solid 210, and the other side is formed with a first hollow 220 and a second hollow 230 is formed.

Here, the solid is a hollow portion of one side of the subframe 200, and the first and second hollows 220 and 230 are hollow portions of the other side of the subframe 200. to be.

In addition, the subframe 200 is a cast product formed by casting, and a core is formed inside the subframe 200, and this core is to be removed in the present invention.

On the other hand, the fixing bracket 120 is provided in a cylindrical shape and one side is cut from the top to the bottom to have elasticity, so that the lower surface of the subframe 200 can be supported and fixed at the same time.

More specifically, a coupling jig 240 is provided on the lower surface of the subframe 200 and can be mutually fixed to the fixing bracket 120 by various coupling methods such as fitting or screwing.

The first ejection unit 300 is provided inside the chamber 100 and is inserted into the first hollow 220 to rotate.

The first de-sanding part 300 includes a first support plate 310 provided inside the chamber 100 and a first rail 320 provided on an upper portion of the first support plate 310. , It is installed on the upper part of the first rail 320 and includes a rotating part 330 whose fixed position is adjusted along the first rail 320.

More specifically, the first evasion unit 300 is provided inside the chamber 100, and the first support plate 310 is provided on the inner side of the chamber 100, that is, the opening and closing frame 110. It is installed to be close to, and the first rail 320 is installed in a vertical direction on one side of the first support plate 310.

Here, the first rail 320 can move the rotating part 330 in a vertical direction, and the lower surface of the rotating part 330 is coupled to the first rail 320 to move the first rail 320. It slides along and can be fixed by a stopper (not shown) provided separately after adjusting the fixing position.

Through this, the position at which the rotating part 330 is inserted into the first hollow 220 can be adjusted, so that it can be inserted into the first hollow 220 and rotated regardless of the size and shape of the subframe 200. can

In addition, although the first rail 320 includes all components capable of moving the rotation unit 330, it is preferable to move the rotation unit 330 using an LM guide.

On the other hand, the rotating part 330 is provided at the end of the first driving motor 331 and the first driving motor 331 and is inserted into the first hollow 220 to rotate the first hollow 220. ) It may further include a screw pin 332 for de-spinning the core formed in.

More specifically, the rotating part 330 is configured to be directly inserted into the first hollow 220 to rotate, and the screw pin 332 is rotated by the first driving motor 331 .

The outer circumferential surface of the screw pin 332 is a tool made in a screw shape. Since the screw pin 332 is made of a material having higher rigidity than the core formed in the first hollow 220, after being inserted into the first hollow 220, the core located in the first hollow 220 is rotated. can be easily removed.

In addition, the rotating part 330 may further include an exciter 333 provided between the first driving motor 331 and the screw pin 332 .

The shaker 333 generates a certain amount of vibration to transmit the excitation force to the screw pin 332, and the screw pin 332 is inserted into the first hollow 220 to directly excite the core, thereby de-spinning. efficiency can be increased.

In addition, the vibrator 333 may provide a constant intensity of vibration or may be provided by repeating a variable operation such as gradually increasing the intensity of vibration and gradually weakening it.

Meanwhile, the first support plate 310 may be coupled to the first rotation plate 130 provided inside the chamber 100 and rotated at a predetermined angle.

The first rotation plate 130 is provided inside the chamber 100 and can rotate the first support plate 310 forward and backward by a hinge, through which the screw pin 332 It is possible to easily remove the core located in the first hollow 220 by adjusting its position so that it is accurately inserted into the insertion position of the first hollow 220 by rotation.

The second ejection unit 400 is provided inside the chamber 100 and is inserted into the second hollow 230 to move up and down.

The second ejection unit 400 includes the second support plate 410 provided inside the chamber 100 and the second rail 420 provided on the upper part of the second support plate 410. , It is installed on the upper part of the second rail 420, and is configured to include an elevating unit 430 whose fixed position is adjusted along the second rail 420.

More specifically, the second evasion part 400 is provided inside the chamber 100, and the second support plate 410 is the inner side of the chamber 100, that is, the opening and closing frame 110 It is installed to be close to, and the second rail 420 is installed in a vertical direction on one side of the second support plate 410.

Here, the second rail 420 can move the elevating part 430 in the vertical direction. ), and after adjusting the fixing position, it may be fixed by a stopper (not shown) provided separately.

Through this, the position where the elevating unit 430 is inserted into the second hollow 230 can be adjusted, so that it is inserted into the second hollow 230 regardless of the size and shape of the subframe 200. can go down

In addition, although the second rail 420 includes all components capable of moving the elevating part 430, it is preferable to move the elevating part 430 using an LM guide.

On the other hand, the elevating unit 430 is provided at the end of the elevating cylinder 431 and the elevating cylinder 431, and is inserted into the second hollow 230 to elevate the elevating unit 430. Thus, an elevating and descending pin 432 for removing the core formed in the second hollow 230 may be further included.

More specifically, the elevating unit 430 is directly inserted into the second hollow 230 to ascend and descend, and the elevating pin 432 moves upward and downward by the elevating cylinder 431 .

The outer circumferential surface of the elevating pin 432 is a tool made in a conical shape. The elevating pin 432 is made of a material having higher rigidity than the core formed in the second hollow 230, and after being inserted into the second hollow 230, the second hollow 230 is moved up and down. ) can be easily removed.

In addition, the elevating unit 430 may further include an exciter 433 provided between the elevating cylinder 431 and the elevating pin 432 .

The vibrator 433 generates a certain amount of vibration to transmit excitation force to the elevating pin 432, and the elevating pin 432 is inserted into the second hollow 230 to directly excite the core. As a result, the desalination efficiency can be increased.

In addition, the vibrator 433 may provide a constant intensity of vibration or may be provided by repeating a variable operation such as gradually increasing the intensity of vibration and gradually weakening it.

Meanwhile, the second support plate 410 may be coupled with the second rotation plate 140 provided inside the chamber 100 to be rotated at a predetermined angle.

The second rotation plate 140 is provided inside the chamber 100 and can rotate the second support plate 410 forward and backward by a hinge, through which the elevating pin 432 The center located in the second hollow 230 can be easily removed by elevating and descending by adjusting the position so that it is accurately inserted into the insertion position of the second hollow 230 .

The third ejection unit 500 includes a third support plate 510 provided inside the chamber 100, a third rail 520 provided on the upper portion of the third support plate 510, It is installed on the upper part of the third rail 520 and includes a vibrating part 530 whose fixed position is adjusted along the third rail 520 .

More specifically, the third evasion unit 500 is provided inside the chamber 100, and the third support plate 510 is located at the inner center of the chamber 100, that is, the opening and closing frame 110. It is installed so as to be close to, and the third rail 520 is installed in a horizontal direction on one side of the third support plate 510.

Here, it is preferable that the third shaving unit 500 is provided so as not to interfere with the first and second shaving units 300 and 400 .

In addition, the third rail 520 can move the excitation part 530 in a horizontal direction, and the lower surface of the excitation part 530 is coupled with the third rail 520 to move the third rail 520 ), and after adjusting the fixing position, it may be fixed by a stopper (not shown) provided separately.

Through this, the excitation unit 530 can adjust the hitting position of the subframe 200, so that the surface of the subframe 200 can be hit regardless of the size and shape of the subframe 200. .

In addition, although the third rail 520 includes all components capable of moving the excitation unit 530, it is preferable to move the excitation unit 530 using an LM guide.

On the other hand, the excitation part 530 is provided with an excitation cylinder 531 and an end of the excitation cylinder 531, and a certain stroke is made on the surface of the subframe 200 by the operation of the excitation cylinder 531. It may further include a pin 532 for ejecting the core formed inside the subframe by applying a blow to the subframe.

More specifically, the excitation unit 530 is configured to apply blows to the surface of the subframe with a constant stroke, and when the excitation pin 532 continuously hits the excitation cylinder 531 with a certain stroke, An impact is applied to the core formed inside the subframe 200, so that the efficiency of desalting of the first and second desalting parts 300 and 400 can be increased.

In addition, the vibrating unit 530 may provide a constant intensity of vibration or may be provided by repeating a variable operation such as gradually increasing the intensity of vibration and gradually weakening it.

Therefore, according to the core de-sanding device of a subframe for a vehicle of the present invention, the core formed in the first hollow through the first de-shattering part can be de-sanded by a rotational force, and the core formed in the second hollow through the second de-sanding part can be lifted. There is an effect of increasing the desalination efficiency of the subframe by desalination by descent.

In addition, by de-sanding the core formed in the sub-frame through the third de-sanding unit, there is an effect of increasing the de-sanding efficiency of the sub-frame together with the first and second de-sanding units.

Since the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, various equivalents that can replace them at the time of this application It should be understood that there may be variations and examples.

100: chamber 110: opening and closing frame
120: fixing bracket 130: first rotation plate
140: second rotation plate 200: subframe
210: solid 220: first hollow
230: second hollow 300: first shaving unit
310: first support plate 320: first rail
330: rotation unit 331: first drive motor
332: screw pin 400: second ejection unit
410: second support plate 420: second rail
430: lifting part 431: lifting cylinder
432: ascending and descending pin 500: third deshaving unit
510: third stripping unit 520: third rail
530: excitation part 531: excitation cylinder
532: excitation pin

Claims (9)

A chamber provided with an opening and closing frame that rotates in the vertical direction;
It is provided on one side of the opening and closing frame, and one side is cut from the top to the bottom to be seated on a cylindrical fixing bracket having elasticity, one side is formed with a solid, and the other side is formed with a first hollow and a second hollow sub. frame;
a first ejection unit provided inside the chamber and inserted into the first hollow to rotate while maintaining a constant intensity of vibration or applying vibrations that gradually become stronger and weaker;
a second shaving unit provided inside the chamber and inserted into the second hollow to ascend and descend;
a third ejection unit provided inside the chamber and hitting the surface of the subframe; including,
The second ejection unit may include a second support plate provided inside the chamber; a second rail provided above the second support plate; A lifting and lowering unit installed on the upper part of the second rail and having a fixed position adjusted along the second rail;
The elevating unit may include an elevating cylinder; An elevating pin provided at an end of the elevating cylinder and inserted into the second hollow to detach the core formed in the second hollow by the elevating portion of the elevating portion,
The third deshaving unit is provided inside the chamber and is installed to be close to the opening and closing frame; a third support plate; a third rail installed in a horizontal direction on one side of an upper portion of the third support plate; A core ejection device for a subframe for a vehicle, characterized in that it comprises a; a vibration unit installed on the upper part of the third rail, adjusting a fixing position along the third rail, and adjusting a striking position of the subframe.
The method of claim 1,
The first de-sharing unit,
a first support plate provided inside the chamber;
a first rail provided above the first support plate;
a rotation unit installed on the first rail and having a fixed position adjusted along the first rail;
Core de-spinner of a subframe for a vehicle, characterized in that it comprises a.
The method of claim 2,
the rotating part,
a first driving motor;
a screw pin provided at an end of the first drive motor and inserted into the first hollow to detach the core formed in the first hollow through rotation;
Core ejector of a subframe for a vehicle, characterized in that it comprises a.
The method of claim 2,
The first support plate,
A core ejection device for a subframe for a vehicle, characterized in that it is coupled to a first rotation plate provided inside the chamber and rotated at a predetermined angle.
delete delete The method of claim 1,
The second support plate,
A core ejector for a subframe for a vehicle, characterized in that it is coupled to a second rotation plate provided inside the chamber and rotated at a predetermined angle.
delete The method of claim 1,
The unit with the
excitation cylinder;
An excitation pin provided at an end of the excitation cylinder and applying a blow to the surface of the subframe with a constant stroke by the operation of the excitation cylinder to eject the core formed inside the subframe;
Core ejector of a subframe for a vehicle, characterized in that it comprises a.

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