KR20110020982A - Beading machine - Google Patents

Abstract

PURPOSE: A beading machine is provided to minimize the fracture or deformation of a beaded part by employing a diameter expansion plate and precisely controlling a roller corresponding to the shape of the beaded part. CONSTITUTION: A beading machine comprises a body(10), a diameter expansion plate(110), a rotary support(100), and a beading roller unit(200). The diameter expansion plate is formed with a first shape corresponding to the shape of a beaded part along the outer peripheral surface, wherein the beaded part is formed in the body. The diameter expansion plate is expanded inside the body to be pressed onto the interior surface of the body. The rotary support rotates the body. The beading roller unit is formed with a second shape corresponding to the shape of the beaded part and rotates by contacting the rotating body.

Description

Beading Machine {BEADING MACHINE}

The present invention relates to a beading machine for forming the beading portion in the washing machine inner body, and more specifically, to use the expansion plate to prevent deformation and breakage of the beading portion formed on the body and servo rollers corresponding to the shape of the beading portion. The present invention relates to a beading machine that is precisely controlled using a motor.

In general, in the process of washing by the washing machine, the laundry is put into the body of the washing machine, and washing is performed while the laundry and the water mixed with the detergent rotate in the body.

In addition, in the case of a drum washing machine, the laundry is pulled upwards by the rotation of the washing machine body and then dropped, and washing is performed by the drop.

As such, in the case of a washing machine, a cylindrical washing machine body plays an important role in washing as an essential component. In addition, when there is a problem in the processing of the washing machine body, a problem occurs that the washing machine itself is classified as a defective product.

As such, there is a beading process for forming a protrusion by applying a constant force to a predetermined position of the washing machine body in the processing of the washing machine body that plays an important role in the performance of the washing machine itself.

However, in the existing beading machine for processing the washing machine body, there is a certain limit to the depth of the processed projection, as well as more than that, the problem that the body is deformed, damaged during the machining process. For example, in the case of the existing beading machine there was a technical limit that can only be limited to about 5mm depth of the projection processed in the washing machine body.

Therefore, although various methods have been devised to solve the problems in the beading process, the depth of the projections formed by the beading process is deepened, and at the same time, there is no beading machine for elaborate processing. Of course there was a problem that the failure of the washing machine itself.

In order to solve the above problems, a first object of the present invention is to provide a beading machine capable of precisely forming the beading portion required for the body by having an expansion plate having a first shape corresponding to the shape of the beading portion on the rotating support body; To provide.

In addition, the second object of the present invention is to use the two beading rollers, such as the first beading roller and the second beading roller to form a beading portion can form a deeper beading portion deeper than before without breaking the beading portion, the guide roller By using to provide a beading machine that can prevent the shape of the bead portion is deformed.

In addition, a third object of the present invention is to provide a beading machine which enables precision processing of the beading unit by controlling the first beading roller, the second beading roller, and the guide roller using a servomotor.

In order to achieve the above object, the beading machine according to the first embodiment of the present invention has a body positioned at an upper portion thereof, and a first shape corresponding to the shape of the beading portion formed on the body is formed along an outer circumferential surface and the inside of the body. Is provided in the expansion plate is in close contact with the inner surface of the body, the rotating support for rotating the body; A beading roller part having a second shape corresponding to the shape of the beading part and forming the beading part while rotating in close contact with the rotating body; And an upper cover body moving to be positioned above the body.

At this time, the guide roller may be further provided to guide the shape of the beading portion formed by the beading roller portion while rotating in close contact with the rotating body.

On the other hand, the rotating support body forms a hole in the center, the rotating plate is rotated while the body is located above; Located in the upper or lower portion of the rotating plate, the expansion plate consisting of a plurality of plates to form a hole in the center to expand the pipe according to the movement of the plurality of plates; And an expansion tube shaft for expanding the plurality of plates of the expansion tube by a head provided at one end while moving up and down.

The head of the expansion shaft is characterized in that the diameter is longer toward the upper or lower, the beading roller unit may include a first beading roller and a second beading roller having a difference in the height of the shape corresponding to the beading portion.

At this time, the first beading roller, the second beading roller and the guide roller may move according to the driving of the servomotor.

1 step of positioning the body according to the second embodiment of the present invention to achieve the above object on the rotating support; Step 2 for expanding the expansion plate of the rotating support body; Three steps of rotating the rotating support body; And driving the servomotor to bring the beading roller into close contact with the body.

At this time, if the body is located above the rotating support body may further include the step of moving the upper cover body to be located on the upper portion of the body.

In addition, the expansion of the expansion plate of the rotary support body may be made by moving the expansion axis by expanding a plurality of plates by the head provided on one side of the expansion axis.

The method may further include driving the servomotor to closely contact the guide roller to the body.

On the other hand, the beading roller may include a first beading roller and a second beading roller having a difference in the height of the shape corresponding to the beading portion formed in the body, the servo motor is the guide roller, the first beading roller and The second beading roller is characterized in that the linear motion.

As described above, the beading machine according to the present invention has a first shape corresponding to the shape of the beading part by expanding the inside of the body and supporting the body therein, and performing the beading operation using the first beading roller and the second beading roller. There is an effect that can minimize the tear or deformation of the bead portion.

In addition, the beading machine according to the present invention can control the first beading roller, the second beading roller and the guide roller by using a servo motor, thereby enabling the processing of the sophisticated beading part.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that detailed descriptions of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a view showing the beading portion of the washing machine inner body formed by the present invention.

As shown, the beading portion 11 of the washing machine inner body (10) (hereinafter referred to as "body") is formed in the form projecting inward along the outer peripheral surface of the washing machine inner body.

Generally, beading refers to a process of producing a protrusion by applying a constant force to a sheet metal. In the present invention, a protrusion having a constant depth formed along an outer circumferential surface of a cylindrical body used in a washing machine is called a beading portion.

Figure 2 is a cross-sectional side view of the beading machine according to the present invention, Figure 3 is a plan view of the beading machine according to the present invention, Figure 4 is another cross-sectional view showing an expansion state of the beading machine according to the present invention.

The beading machine according to the present invention is a rotating support body for rotating the body located in the upper portion 100, the beading roller parts (200, 300) in close contact with the rotating body to form a beading portion, the guide roller 400 for guiding the beading portion ), And an upper cover body 600 and a frame 700 covering the upper portion of the body. Hereinafter, each component will be described in detail.

Rotating support member 100 includes a lower rotary plate 121, expansion tube 122, the upper rotary plate 123 and the body portion 124, the lower rotary plate 121 while rotating by the drive of the rotary motor 500 , Rotating the expansion plate 122, the upper rotary plate 123 to rotate the body located at the top.

At this time, the lower rotating plate 121, expansion tube 122, the upper rotating plate 123 and the center of the body portion 124 to form a hole, the expansion shaft 110 having a head 111 on one side through the hole. Do this vertical movement.

Body 10 is located on the upper portion of the rotation support body 100, the body 10 is located on the upper surface of the lower rotating plate 121, the upper rotating plate 123 and expansion tube 122 of the body 10 It is located inside.

When the body 10 is located on the upper surface of the lower rotating plate 121, the expansion shaft 110 of the rotation support body 100 moves from the lower portion as shown in FIG. When the expansion tube 110 moves, the head 111 of the expansion shaft 110 also rises, and accordingly, the head 111 pushes the expansion plate 122 according to the diameter difference of the head 111 itself. 122 is expanded.

The expansion plate 122 is expanded to be in close contact with the inner surface of the body 10, and performs a supporting function in the process of forming the beading part 11 of the body 10. In addition, the expansion plate 122 has a shape corresponding to the shape of the beading portion 11 and a first shape is formed along the outer circumferential surface of the expansion plate 122.

That is, the first shape of the expansion tube 122 is formed with a concave groove along the outer circumferential surface of the expansion tube 122. Here, the first shape is formed in a form corresponding to the second convex shape of the beading rollers 210 and 310 which are in close contact with the outer circumferential surface of the body 10 and apply pressure while rotating.

The expansion plate 122 forms a diameter smaller than the internal diameter of the body 10 before expansion, so as to be located inside the body 10, and after the body 10 is positioned, the expansion plate 122 may be expanded for the beading operation. At least as much as the diameter of the body 10 to be in close contact with the inner surface of the). Therefore, the expansion plate 122 may be made in various configurations as needed.

For example, as shown in FIG. 2, the diameter of the head 111 provided at the upper portion of the expansion tube 110 is increased toward the lower portion so that the expansion plate 122 may be expanded by the diameter of the head 111. have.

At this time, the expansion plate 122 is formed of a plurality of plates, the head 111 of the expansion shaft 110 to push the plurality of plates so that the expansion can be made. The expansion plate 122 is configured to form a plurality of plates as shown in Figure 3, the expansion is made in such a way to expand the disk configured using the head 111 of the expansion shaft 110.

The beading roller parts 200 and 300, which are in close contact with the body 10 that rotates according to the rotation of the rotating support body 100 and form the beading part in the body 10, are provided with the first beading roller part 200 and the like. The second beading roll part 300 may be formed.

The first bidding roller unit 200 includes a first bidding roller 210 and a first servomotor 220.

When the body 10 rotates by the rotation support body 100, the first beading roller 210 moves to the outer circumferential surface of the body 10 by the driving of the first servo motor 220, and is in close contact with the body 10. At the same time as the rotation of the rotation while applying a pressure to the body 10 to form the beading portion (11).

That is, the first beading roller 210 is configured in a convex form along the outer circumferential surface so as to correspond to the desired depth of the beading portion 11. The convex shape of the first beading roller 210 corresponds to the concave first shape formed along the outer circumferential surface of the expansion pipe 122.

The first servomotor 220 controls the movement of the first bidding roller 210. The servo motor can precisely control the first beading roller 210 according to the driving of the precise control program. Through this, the phenomenon in which the beading part 11 bursts during the process of forming the beading part 11 of the body 10 may be prevented.

The second bidding roller part 300 includes a second bidding roller 310 and a second servomotor 320.

Here, when the body 10 rotates like the first beading roller 210, the second beading roller 310 moves to the body 10 and adheres to the body, while simultaneously rotating in accordance with the rotation of the body 10. The beading part 11 is formed by applying pressure to 10).

That is, according to the interaction between the first beading roller 210 and the second beading roller 310 can be done more precisely and safely.

The second beading roller 310 is configured to be convex along the outer circumferential surface so as to correspond to the desired depth of the beading portion 11. The convex shape of the second beading roller 310 corresponds to the concave first shape formed along the outer circumferential surface of the expansion tube 122.

The second beading roller 310 is driven by the second servomotor 320, and thus is in close contact with the rotating body 10, or may be separated from the body 10 and returned to its original position.

Here, the shapes formed along the outer circumferential surfaces of the first beading roller 210 and the second beading roller 310 may be the same, and there may be a difference in height in the convex shape.

When the beading part 11 is formed by the first beading roller 210 and the second beading roller 310, the beading part is guided using the guide roller part 400.

Here, the guide roller 400 includes a guide roller 410 and the third servo motor 420. The guide roller 410 has a flat outer circumferential surface to guide the beading portion 11 formed by the first and second beading rollers 210 and 310 to maintain the shape constantly.

When the body 10 is located on the rotary support body 100, the upper cover body 600 moves downward to cover the body 10.

The upper cover body 600 includes an upper cover 620 that covers the body 10 and a movable body 610 that moves the upper cover 620 up and down. The movable body 610 can be implemented by various methods. For example, it can be implemented using a cylinder.

In addition, each of the above configurations may be supported by the frame 700.

How to form the beading portion using the beading machine can be achieved through the following process.

First, the body 10 to be positioned above the rotating support (100). Specifically, it is to be located on the lower rotary plate 121 of the rotary support body 100, the expansion plate 122 and the upper rotary plate 123 is located inside the body 10.

When the body 10 is located above the rotating support body 100, the upper cover body 600 is moved to cover the upper part of the body 10. Of course, even if there is no upper cover body 600, beading of the body 10 may be possible.

After the upper cover body 600 covers the body 10, the expansion plate 122 of the rotation support body 100 is expanded. Expansion of the rotating support body 100 is made by moving the expansion shaft 110 by expanding a plurality of plates by the head 111 provided on one side of the expansion shaft 110.

When the expansion plate 110 is expanded and tightly fixed to the inner surface of the body 10, the rotation support body 100 is rotated using the rotation motor 500. However, the method of rotating the rotation support body 100 may be used in addition to the rotation motor 500 shown in various ways.

When the body 10 rotates according to the rotation of the rotating support body 100, the first and second servo motors 220 and 320 are driven to move the first beading roller 210 and the second beading roller 310. Move to the outer circumferential surface of the body 10 to apply pressure to the body 10. At this time, the first beading roller 210 and the second beading roller 310 also rotate at the same time.

In addition, the third servomotor 420 is driven to bring the guide roller 410 into close contact with the outer circumferential surface of the body 10.

At this time, the convex shape formed along the outer circumferential surfaces of the first beading roller 210 and the second beading roller 310 may have a difference in height.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings.

1 is a view showing the beading portion of the washing machine inner body formed by the present invention.

Figure 2 is a view showing one side cross-sectional view of the beading machine according to the present invention.

3 is a view showing a plan view of the beading machine according to the present invention.

4 is still another cross-sectional view showing the expansion state of the beading machine according to the present invention.

Claims (12)

Wherein the body is located, the first shape corresponding to the shape of the beading portion formed on the body is formed along the outer peripheral surface and is expanded in the interior of the body having an expansion plate which is in close contact with the inner surface of the body, the body Rotating support body to rotate; A beading roller part having a second shape corresponding to the shape of the beading part and forming the beading part while rotating in close contact with the rotating body; And A bidding machine comprising an upper cover body moving to be located above the body. The method of claim 1, And a guide roller for guiding the shape of the beading portion formed by the beading roller portion while rotating in close contact with the rotating body. The rotating support body of claim 1 or 2, wherein A rotating plate which forms a hole in the center and rotates while the body is positioned at an upper portion thereof; Located in the upper or lower portion of the rotating plate, the expansion plate consisting of a plurality of plates to form a hole in the center to expand the pipe according to the movement of the plurality of plates; And A beading machine comprising an expansion pipe shaft for expanding a plurality of plates of the expansion pipe by a head provided at one end while moving up and down. 4. The head of the expansion shaft of claim 3, wherein Beading machine characterized in that the diameter is longer toward the top or bottom. The method of claim 2, wherein the beading roller portion A bidding machine comprising a first bidding roller and a second bidding roller having a difference in height of a shape corresponding to the beading part. The method of claim 5, The first bidding roller, the second bidding roller and the guide roller is characterized in that the moving machine moves in accordance with the drive of the servomotor. Positioning the body on the upper part of the rotation support body; Step 2 for expanding the expansion plate of the rotating support body; Three steps of rotating the rotating support body; And And a four step of driving the servomotor to bring the beading roller into close contact with the body. The method of claim 7, wherein And moving the upper cover body to be positioned above the body when the body is positioned above the rotating support body. According to claim 7, wherein the expansion of the expansion plate of the rotating support body A method of forming a beading portion, characterized in that the plurality of plates are expanded by a head provided on one end side of the expansion shaft by moving the expansion shaft. The method of claim 7, wherein And driving a servomotor to bring the guide roller into close contact with the body. The method of claim 7, wherein the beading roller And a first beading roller and a second beading roller having a difference in height of a shape corresponding to the beading portion formed on the body. The method of claim 10 or 11, The servo motor is a method of forming a beading unit, characterized in that for linear movement of the guide roller, the first beading roller and the second beading roller.

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