KR20230153586A - Curved plate forming apparatus - Google Patents

Abstract

A curved plate forming device is disclosed.
A curved plate forming apparatus according to an embodiment of the present invention includes a support unit including a plurality of support rollers supporting a metal plate to be formed; and a pressurizing unit that is capable of moving up and down and includes a pressurizing roller that presses a portion of the metal plate between the plurality of support rollers, and bends the metal plate together with the plurality of support rollers to form a curved plate. It includes a pair of contact enhancers, wherein the pressure unit is connected to one side and the other side of the rotation axis of the pressure roller and includes a magnet, so that the contact force of the pressure roller to the metal plate is increased by the magnetic force of the magnet. It can include more wealth.

Description

Curved plate forming device {CURVED PLATE FORMING APPARATUS}

The present invention relates to a curved plate forming apparatus.

There is a method of forming a metal plate such as a steel plate into a curved plate using a roller. In this way, a curved plate forming apparatus for forming a metal plate such as a steel plate into a curved plate includes a plurality of support rollers and a pressure roller that can be raised and lowered. Then, in a state where a plurality of support rollers support the metal plate, a pressure roller presses the portion of the metal plate between the plurality of support rollers, so that the metal plate is bent by the plurality of support rollers and the pressure roller to become a curved plate.

However, in the conventional curved plate forming apparatus, slip may occur if the friction between the metal plate and the roller is not sufficient, and the forming of the metal plate into a curved plate may not be performed properly. In order to prevent this, when the surface roughness of the roller was roughened to increase the friction between the metal plate and the roller, indentations were generated on the metal plate by the surface of the roller.

The present invention has been made in recognition of at least one of the above-mentioned needs or problems arising in the prior art.

One aspect of the purpose of the present invention is to properly form a metal plate into a curved plate by having a plurality of support rollers supporting the metal plate and a pressure roller pressurizing a portion between the plurality of support rollers.

Another aspect of the purpose of the present invention is to improve the contact force of the pressure roller to the metal plate by the magnetic force of the magnet included in a pair of contact improvement parts respectively connected to one side and the other side of the rotation axis of the pressure roller.

A curved plate forming apparatus related to an embodiment for realizing at least one of the above tasks may include the following features.

A curved plate forming apparatus according to an embodiment of the present invention includes a support unit including a plurality of support rollers supporting a metal plate to be formed; and a pressurizing unit that is capable of moving up and down and includes a pressurizing roller that presses a portion of the metal plate between the plurality of support rollers, and bends the metal plate together with the plurality of support rollers to form a curved plate. It includes a pair of contact enhancers, wherein the pressure unit is connected to one side and the other side of the rotation axis of the pressure roller and includes a magnet, so that the contact force of the pressure roller to the metal plate is increased by the magnetic force of the magnet. It can include more wealth.

In this case, the contact enhancement part is movably provided in a roller connection member connected to one side or the other side of the rotation axis of the pressure roller and a moving guide hole formed in the roller connection member, and the magnet is located at one end and the other end, respectively. It may further include a magnetic effect member provided.

In addition, the magnetic force-acting member of one of the contact enhancement portions of the pair of contact enhancement portions forms a predetermined angle with the magnetic force-acting member of the other contact enhancement portion, and is connected to the roller connection member by rotation of the pressure roller. Even if the magnetic force application member rotates, the magnetic force of any one of the magnets provided in the magnetic force application member can be allowed to act on the metal plate.

And, the magnet may be an electromagnet.

In addition, the movement guide hole is provided with a plurality of first contact points connected to a power source, and the magnetic force acting member is provided with a plurality of second contact points respectively connected to magnets provided at one end and the other end of the magnetic force applying member. Each of the plurality of first contact points is provided in the movement guide hole to be spaced apart from each other at a predetermined angle and staggered so that the magnet is connected to the power source only within a predetermined rotation angle range of the magnetic force acting member, and a plurality of first contact points are provided in the movement guide hole to be offset from each other. To correspond to each of the first contact points, each of the plurality of second contact points may be provided on the magnetic force application member to be spaced apart from each other at a predetermined angle and to be staggered from each other.

As described above, according to the embodiment of the present invention, the contact force of the pressure roller to the metal plate can be improved by the magnetic force of the magnet included in the pair of contact enhancement parts respectively connected to one side and the other side of the rotation axis of the pressure roller. there is.

In addition, according to an embodiment of the present invention, the plurality of support rollers supporting the metal plate and the portion between the plurality of support rollers are pressed by the pressure roller to ensure that the metal plate is properly formed into a curved plate.

Figure 1 is a perspective view of an embodiment of a curved plate forming apparatus according to the present invention.
Figure 2 is an enlarged perspective view of the pressing unit of one embodiment of the curved plate forming apparatus according to the present invention.
Figure 3 is a cross-sectional view of the contact enhancement part of one embodiment of the curved plate forming apparatus according to the present invention.
Figure 4 is an exploded perspective view of the contact enhancement part of one embodiment of the curved plate forming apparatus according to the present invention.
Figures 5a to 5d are diagrams showing the use state of the contact enhancement part of one embodiment of the curved plate forming apparatus according to the present invention.

In order to facilitate understanding of the features of the present invention as described above, the curved plate forming apparatus related to the embodiment of the present invention will be described in more detail below.

The embodiments described below will be explained based on the embodiments most suitable for understanding the technical features of the present invention, and the technical features of the present invention are not limited by the described embodiments. This is to illustrate that the present invention can be implemented as in the embodiments. Accordingly, the present invention can be implemented in various modifications within the technical scope of the present invention through the embodiments described below, and these modified embodiments will be considered to fall within the technical scope of the present invention. In addition, in order to facilitate understanding of the embodiments described below, in the symbols shown in the accompanying drawings, related components among components that perform the same function in each embodiment are indicated by numbers on the same or extended lines.

Hereinafter, with reference to FIGS. 1 to 5D, a curved plate forming apparatus according to the present invention will be described.

Figure 1 is a perspective view of an embodiment of a curved plate forming apparatus according to the present invention, and Figure 2 is an enlarged perspective view of a pressing unit of an embodiment of the curved plate forming apparatus according to the present invention.

In addition, Figure 3 is a cross-sectional view of the contact enhancement part of an embodiment of the curved plate forming apparatus according to the present invention, and Figure 4 is an exploded perspective view of the contact enhancement part of an embodiment of the curved plate forming apparatus according to the present invention.

And, Figures 5A to 5D are diagrams showing the use state of the contact enhancement part of one embodiment of the curved plate forming apparatus according to the present invention.

The curved plate forming apparatus 100 according to the present invention may include a support unit 200 and a pressing unit 300.

The support unit 200 may include a plurality of support rollers 210 that support the metal plate MP to be formed. The metal plate MP to be formed may be, for example, a steel plate. However, the metal plate (MP) to be formed is not particularly limited, and any metal plate such as an alloy plate can be used.

As shown in FIG. 1, there are, for example, four support rollers 210, and the four support rollers 210 may be arranged to form a rectangle. However, the number and arrangement of the support rollers 210 are not particularly limited, as long as the number and arrangement are such that the metal plate (MP) is bent to become a curved plate together with the pressurizing roller 310 included in the pressing unit 300, which will be described later. , any number or arrangement type is possible.

As shown in FIG. 1, the support unit 200 may include a roller support 220 on which a plurality of support rollers 210 are rotatably provided. Additionally, the roller support 220 may be rotatably provided on the base 230. By this, the metal plate MP can be molded into a curved plate like a part of a sphere. Additionally, the base 230 may be movably provided on the base moving guide member 240. As a result, the metal plate MP can be bent not only in the center but also on either side by the plurality of support rollers 210 and the pressure roller 310 of the pressure unit 300 to form a curved plate. Additionally, metal plate guides 250 may be connected to both sides of the base 230 to guide the metal plate MP to prevent it from moving diagonally. Additionally, a conveyor 260 may be provided in front of the base 230. For example, three conveyors 260 may be provided in front of the base 230. Then, when the metal plate MP to be formed is placed on the conveyor 260, the metal plate MP to be formed may move over the plurality of support rollers 210 by the conveyor 260. A metal plate movement aid 270 may be provided behind the base 230. The metal plate movement aid 270 may include a holder 271 that holds the metal plate (MP). Additionally, the metal plate moving aid 270 may include a holder moving member 272 on which the holder 271 is movable. As a result, the holder 271 moves on the holder moving member 272 while holding the metal plate MP, thereby preventing the metal plate MP from moving diagonally.

Meanwhile, the plurality of support rollers 210 may be connected to a motor (not shown) and rotate. As a result, the metal plate MP placed on the plurality of support rollers 210 can move. For example, the metal plate MP placed on the plurality of support rollers 210 may move toward the metal plate moving aid 270 by rotation of the plurality of support rollers 210.

The pressurizing unit 300 may be capable of being lifted up and down. For example, one side and the other side of the pressurizing unit 300 may be lifted up and down on a pair of lifting guide members (not shown) disposed at a predetermined height on one side and the other side of the support unit 200, respectively. Additionally, the lifting guide member may be provided with a lifting driving unit (not shown) that lifts the pressurizing unit 300. Also, the pressurizing unit 300 can be lifted along the pair of lifting guide members by driving the lifting driving unit. However, the configuration in which the pressurizing unit 300 can be raised and lowered is not particularly limited, and any known configuration is possible.

The pressing unit 300 may include a pressing roller 310. The pressure roller 310 may pressurize the portion of the metal plate MP between the plurality of support rollers 210. As a result, the metal plate MP placed on the plurality of support rollers 210 can be bent by the plurality of support rollers 210 and the pressure roller 310 to become a curved plate.

For example, as shown in FIGS. 5A to 5D, with the metal plate MP placed on the plurality of support rollers 210 of the support unit 200, the pressing unit 300 descends, and the pressing roller 310 ) presses the portion of the metal plate (MP) between the plurality of support rollers 210, so that the metal plate (MP) can be bent by the plurality of support rollers 210 and the pressure roller 310 to become a curved plate.

As shown in FIG. 1, the pressing unit 300 may include a supporter moving guide member 330 and a roller supporter 340.

The supporter moving guide member 330 is provided on one side and the other side of the above-mentioned lifting guide member to be able to be lifted and lowered, and can be lifted and lowered by a lifting driving unit.

The roller supporter 340 may be movably provided on the supporter moving guide member 330, and the pressure roller 310 may be rotatably provided. A pair of roller rotation supports 341 are provided at the lower part of the roller supporter 340, and a shaft through hole (SH) may be formed in each of the pair of roller rotation supports 341. Then, one side and the other side of the rotation shaft 311 of the pressure roller 310 are inserted into each of the shaft passing holes (SH) of the pair of roller rotation supports 341, so that the pressure roller 310 is connected to the pair of roller rotation supports 341. It may be rotatably provided at (341).

Meanwhile, the pressure roller 310 may be connected to a motor and rotate. As a result, the metal plate MP placed on the plurality of support rollers 210 can move while being pressed by the pressure roller 310. For example, the metal plate MP placed on the plurality of support rollers 210 may be pressed by the pressure roller 310 and move toward the metal plate moving aid 270 by the rotation of the pressure roller 310.

The pressing unit 300 may further include a pair of contact enhancement units 320. The pair of contact enhancement units 320 are respectively connected to one side and the other side of the rotation axis 311 of the pressure roller 310 and may include a magnet 321. In addition, the pair of contact enhancement units 320 can increase the contact force of the pressure roller 310 to the metal plate MP by the magnetic force of the magnet 321.

As a result, the friction between the pressure roller 310 and the metal plate MP is sufficient, so the occurrence of slip can be minimized. Therefore, forming of the metal plate MP into a curved plate can be performed properly.

The contact enhancement unit 320 may further include a roller connection member 322 and a magnetic force acting member 323.

The roller connection member 322 may be connected to one side or the other side of the rotation shaft 311 of the pressure roller 310. Accordingly, when the pressure roller 310 rotates, the roller connection member 322 may also rotate. For example, as shown in Figure 2, the roller connection member 322 is inserted into the shaft passage hole (SH) of the roller rotation support 341 into which one or the other side of the rotation shaft 311 of the pressure roller 310 is inserted. , may be connected to one side or the other side of the rotation shaft 311 of the pressure roller 310. However, the configuration in which the roller connection member 322 is connected to one side or the other side of the rotation shaft 311 of the pressure roller 310 is not particularly limited, and any known configuration is possible.

As shown in FIG. 3, a movement guide hole MH may be formed in the roller connection member 322. A magnetic force acting member 323 may be movably provided in the moving guide hole MH.

For example, as shown in FIGS. 3 and 4, the roller connection member 322 includes a shaft connection portion 322a connected to one side or the other side of the rotation shaft 311 of the pressure roller 310, and a shaft connection portion 322a. It may include a member moving part (322b) that is connected and has a moving guide hole (MH) formed thereon. The member moving unit 322b may, for example, have a substantially rectangular parallelepiped shape. However, the shape of the member moving part 322b is not particularly limited, and any shape can be used as long as the shaft connecting part 322a is connected and the moving guide hole MH is formed so that the magnetic force applying member 323 can be moved. Even a shape is possible.

As shown in FIG. 3, a movement guide groove MG may be formed in the movement guide hole MH of the roller connection member 322 at a predetermined length in the longitudinal direction of the roller connection member 322. A stop protrusion (PS), which will be described later and is provided on the magnetic force acting member 323, may be inserted into the movement guide groove (MG). In addition, when the magnetic force application member 323 moves from the movement guide hole (MH) of the roller connection member 322 to one side or the other, the magnetic force application member 323 can be prevented from leaving the movement guide hole (MH).

The magnetic force acting member 323 may be movably provided in the moving guide hole MH of the roller connecting member 322. Additionally, magnets 321 may be provided at one end and the other end of the magnetic force acting member 323, respectively.

When the roller connection member 322 rotates due to the rotation of the roller 310, as shown in Figures 5A to 5D, the magnetic force acting member 323 also rotates, and the roller connection member 322 moves due to its own weight. It can be moved to one side or the other from the guide hole (MH). And, when the distance between the magnet 321 provided on one end or the other end of the magnetic force application member 323 and the metal plate MP is within a predetermined magnetic force action distance, one end or the other end of the magnetic force action member 323 The magnetic force of the magnet 321 provided at the other end may act on the metal plate MP. As a result, the contact force between the pressure roller 310 and the metal plate MP can be improved by the magnetic force of the magnet 321.

The magnetic force member 323 of one of the contact enhancement portions 320 of the pair of contact enhancement portions 320 may form a predetermined angle with the magnetic force action member 323 of the other contact enhancement portion 320. Accordingly, even if the roller connection member 322 and the magnetic force application member 323 rotate due to the rotation of the pressure roller 310, any one of the magnets 321 provided in the magnetic force application member 323 )'s magnetic force can act on the metal plate (MP).

For example, the magnetic force member 323 of one of the contact enhancement portions 320 of the pair of contact enhancement portions 320 may form an angle of 90 degrees with the magnetic force action member 323 of the other contact enhancement portion 320. there is. For this purpose, the movement guide hole (MH) of the roller connection member 322 of one of the contact improvement parts 320 of the pair of contact improvement parts 320 is connected to the roller connection member 322 of the other contact improvement part 320. ), the roller connection member 322 of one of the contact improvement parts 320 of the pair of contact improvement parts 320 is formed at an angle of 90 degrees to the movement guide hole (MH) of the pressure roller 310. The roller connection member 322 of the other contact improvement part 320 and connected to one side of the pressure roller 311 may be connected to the other side of the rotation shaft 311 of the pressure roller 310.

As shown in FIG. 5A, the rotation of the pressure roller 310 and the resulting magnetic force acting member 323 of the pair of contact enhancement parts 320 move in the movement guide hole MH of the roller connection member 322. By the movement of the pair of contact enhancement units 320, the magnet 321 at one end of the magnetic force member 323 of any one of the contact enhancement units 320 approaches the metal plate MP within the magnetic force application distance. You can. Accordingly, the magnetic force of the magnet 321 at one end of the magnetic force acting member 323 of one of the pair of contact enhancement units 320 may act on the metal plate MP.

In addition, as shown in Figure 5b, the rotation of the pressure roller 310 and the resulting movement guide hole MH of the roller connection member 322 of the magnetic force acting member 323 of the pair of contact improvement parts 320 ), the magnet 321 at one end of the magnetic force member 323 of any one of the contact enhancement portions 320 moves out of the magnetic force application distance from the metal plate MP. While leaving, the magnet 321 at one end of the magnetic force member 323 of the other contact area 320 can approach the metal plate MP within the magnetic force application distance. Accordingly, the magnetic force of the magnet 321 at one end of the magnetic force acting member 323 of the other contact enhancement unit 320 among the pair of contact enhancement units 320 may act on the metal plate MP.

And, as shown in Figure 5c, the rotation of the pressure roller 310 and the resulting movement guide hole (MH) of the roller connection member 322 of the magnetic force acting member 323 of the pair of contact improvement parts 320 ), the magnet 321 at one end of the magnetic force member 323 of the other contact enhancement portion 320 of the pair of contact enhancement portions 320 deviates from the magnetic force application distance from the metal plate MP. , the magnet 321 at the other end of the magnetic force member 323 of any one of the pair of contact enhancement portions 320 can approach the metal plate MP within the magnetic force action distance. Accordingly, the magnetic force of the magnet 321 at the other end of the magnetic force acting member 323 of one of the pair of contact enhancement units 320 may act on the metal plate MP.

In addition, as shown in Figure 5d, the rotation of the pressure roller 310 and the resulting movement guide hole (MH) of the roller connection member 322 of the magnetic force acting member 323 of the pair of contact improvement parts 320 ), the magnet 321 at the other end of the magnetic force member 323 of one of the contact enhancement portions 320 of the pair of contact enhancement portions 320 is the magnetic force acting distance from the metal plate MP. As it moves out, the magnet 321 at the other end of the magnetic force member 323 of the other contact enhancement portion 320 of the pair of contact enhancement portions 320 can approach the metal plate MP within the magnetic force action distance. . Accordingly, the magnetic force of the magnet 321 at the other end of the magnetic force acting member 323 of the other contact enhancement unit 320 among the pair of contact enhancement units 320 may act on the metal plate MP.

However, the angle formed between the magnetic force member 323 of one of the contact enhancement portions 320 and the magnetic force action member 323 of the other contact enhancement portion 320 is not particularly limited. Even if the roller connection member 322 and the magnetic force application member 323 rotate due to the rotation of the pressure roller 310, any one of the magnets 321 provided in the magnetic force application member 323 Any angle is possible as long as it is an angle that allows the magnetic force to act on the metal plate (MP).

Meanwhile, the magnet 321 may be an electromagnet.

In this case, as shown in FIG. 4, the movement guide hole MH of the roller connection member 322 may be provided with a plurality of first contact points CT1 connected to a power source (not shown). In this case, the power source may be provided in the roller connection member 322, for example. However, the location where the power source to which the plurality of first contact points (CT1) are connected is not particularly limited, and any location where the plurality of first contact points (CT1) can be connected is possible. A plurality of first contact points (CT1) may be provided in each of a plurality of contact point grooves (CG) formed in the movement guide hole (MH). However, the configuration in which the plurality of first contact points CT1 are provided in the movement guide hole MH is not particularly limited, and any known configuration is possible.

In addition, the magnetic force applying member 323 may be provided with a plurality of second contact points CT2 each connected to the magnets 321 provided at one end and the other end of the magnetic force applying member 323, respectively.

In addition, each of the plurality of first contact points CT1 may be provided in the movement guide hole MH of the roller connection member 322 so as to be spaced apart from each other at a predetermined angle and crossed with each other.

For example, as shown in Figure 4, in a state in which the movement guide hole MH of the roller connection member 322 is positioned vertically up and down, the four first contact points CT1 are spaced apart from each other at a predetermined angle and move up and down from each other. They may be provided in the movement guide hole (MH) of the roller connection member 322 so as to be staggered. In addition, the two first contact points (CT1) provided on the upper part of the moving guide hole (MH) of the roller connecting member 322 are connected to the positive and negative poles of the power supply, respectively, and the moving guide hole (MH) of the roller connecting member 322 The two first contacts (CT1) provided at the bottom of MH) may also be connected to the positive and negative poles of the power supply, respectively.

Additionally, each of the plurality of second contact points (CT2) may be provided on the magnetic force acting member 323 to be spaced apart from each other at a predetermined angle and staggered so as to correspond to each of the plurality of first contact points (CT1).

For example, as shown in FIG. 4, with the magnetic force action member 323 positioned up and down, the four second contact points (CT2) are spaced apart from each other at a predetermined angle and are vertically crossed with each other. It can be provided in . In the magnetic force application member 323 located up and down, the two second contact points (CT2) provided at the relatively upper portion may be connected to the magnet 321 provided at the upper end of the magnetic force action member 323 located up and down. . And, in the magnetic force application member 323 located up and down, the two second contact points (CT2) provided at the relatively lower portion are connected to the magnet 321 provided at the lower end of the magnetic force action member 323 located up and down. can be connected

With this configuration, the magnet 321 can be connected to the power source only within a predetermined rotation angle range of the magnetic force acting member 323.

When the pressure roller 310 rotates, the roller connection member 322 and the magnetic force application member 323 also rotate, and as a result, the magnetic force application member 323 moves through the moving guide hole (MH) of the roller connection member 322 by its own weight. ) moves to one side, and one end of the magnetic force acting member 323 faces the metal plate MP. In this state, the two second contact points (CT2) provided at the relatively lower portion and connected to the magnet 321 provided at one end of the magnetic force acting member 323 are the movement guides of the roller connection member 322. In the hole MH, it is connected to the first contact point CT1 provided at a relatively lower portion and connected to a power source, and the power source may be connected to the magnet 321 provided at one end of the magnetic force acting member 323. . As a result, magnetic force can be generated from the magnet 321 provided at one end of the magnetic force acting member 323.

When the pressure roller 310 rotates further, the magnetic force-acting member 323 moves from the axial passage hole (SH) of the roller connection member 322 to the other side by its own weight, and is provided at one end of the magnetic force-acting member 323. The two second contact points (CT2) connected to the magnet 321 are connected to the first contact point (CT1) of the movement guide hole (MH) of the roller connection member 322 to which the two second contact points (CT2) were connected. ) can be separated from. As a result, magnetic force may not be generated from the magnet 321 provided at one end of the magnetic force acting member 323.

Then, when the magnetic force-acting member 323 moves to the other side from the axial passage hole (SH) of the roller connection member 322 by its own weight, and the other end of the magnetic force-acting member 323 faces the metal plate (MP), In this state, the two second contact points (CT2) are provided at a relatively lower portion and connected to the magnet 321 provided at the other end of the magnetic force acting member 323, and the movement guide hole ( In MH), in that state, it is connected to the first contact point (CT1) provided at a relatively lower portion and connected to the power source, so that the power source can be connected to the magnet 321 provided at the other end of the magnetic force acting member 323. there is. As a result, magnetic force can be generated from the magnet 321 provided at the other end of the magnetic force acting member 323.

In addition, when the pressure roller 310 rotates further, the magnetic force member 323 moves to one side in the movement guide hole MH of the roller connection member 322 due to its own weight, and the other end of the magnetic force member 323 moves to one side. The two second contact points (CT2) connected to the magnet 321 provided in are the first contact point of the movement guide hole (MH) of the roller connection member 322 to which the two second contact points (CT2) were connected. It can be separated from (CT1). As a result, magnetic force may not be generated from the magnet 321 provided at the other end of the magnetic force acting member 323.

For example, the magnet 321 is connected to the power source only within the rotation angle range of the magnetic force action member 323 of -45 degrees to 145 degrees, centered on an imaginary line passing up and down through the center of the magnetic force action member 323 located up and down. You can make it connected. However, the range of the rotation angle of the magnetic force member 323 that allows the magnet 321 to be connected to the power source is not particularly limited, and the magnet 321 provided on one end or the other end of the magnetic force member 323 is a metal plate. Any range that can sufficiently apply magnetic force to (MP) is possible.

The magnetic force acting member 323 may be provided with a stop protrusion (PS). As shown in FIG. 3, the stop protrusion (PS) may be inserted into the movement guide groove (MG) formed in the movement guide hole (MH) of the roller connection member 322. In addition, when the magnetic force application member 323 moves from the movement guide hole (MH) of the roller connection member 322 to one side or the other, the magnetic force application member 323 can be prevented from leaving the movement guide hole (MH).

As shown in FIG. 4, the magnetic force acting member 323 may include a moving member 323a and a magnet support member 323b respectively connected to one side and the other side of the moving member 323a. The moving member 323a may be provided with a plurality of the above-described second contact points (CT2) spaced apart from each other at a predetermined angle and crossing each other, and may be provided with the above-described stop protrusion (PS). Additionally, the magnet support member 323b may be provided with a magnet 321.

As described above, when the curved metal plate forming device according to the present invention is used, the metal plate of the pressure roller is formed by the magnetic force of the magnet included in the pair of contact enhancement parts respectively connected to one side and the other side of the rotation axis of the pressure roller. The contact force can be improved, and the plurality of support rollers supporting the metal plate and the portion between the plurality of support rollers are pressed by the pressure roller to ensure that the metal plate is properly formed into a curved plate.

The curved plate forming apparatus described above is not limited to the configuration of the above-described embodiments, and the above embodiments may be configured by selectively combining all or part of each embodiment so that various modifications can be made. there is.

100: curved plate forming device 200: support unit
210: support roller 220: roller support
230: Base 240: Base moving guide member
250: metal plate guide 260: conveyor
270: Metal plate mobility aid 271: Holder
272: Holder moving member 300: Pressure unit
310: Pressure roller 311: Rotating shaft
320: Contact enhancement unit 321: Magnet
322: roller connection member 322a: shaft connection part
322b: moving member 323: magnetic force acting member
323a: moving member 323b: magnet support member
330: Supporter moving guide member 340: Roller supporter
341: Roller rotation support MP: Metal plate
MH: Movement guide hole MG: Movement guide groove
CG: Contact groove CT1: 1st contact point
CT2: 2nd contact SH: Shaft through hole
PS: Stop turning

Claims (5)

A support unit including a plurality of support rollers supporting the metal plate to be formed; and
A pressing unit that is capable of being lifted up and down, includes a pressing roller that presses a portion of the metal plate between the plurality of support rollers, and bends the metal plate together with the plurality of support rollers to form a curved plate; Includes,
The pressing unit is connected to one side and the other side of the rotation axis of the pressing roller, respectively, and includes a magnet, further comprising a pair of contact enhancement units that increase the contact force of the pressing roller to the metal plate by the magnetic force of the magnet. Curved plate forming device. According to paragraph 1,
The contact enhancement unit is movably provided in a roller connection member connected to one side or the other side of the rotation axis of the pressure roller, and a moving guide hole formed in the roller connection member, and is provided with a magnetic force provided with the magnet at one end and the other end, respectively. A curved plate forming device further comprising an action member. According to paragraph 2,
The magnetic force-acting member of one of the contact enhancement portions of the pair of contact enhancement portions forms a predetermined angle with the magnetic force-acting member of the other contact enhancement portion, and the rotation of the pressure roller causes the roller connection member and the magnetic force. A curved plate forming device that allows the magnetic force of any one of the magnets provided in the magnetic force application member to act on a metal plate even if the action member rotates. According to paragraph 3,
The magnet is an electromagnet curved plate forming device. According to paragraph 4,
The movement guide hole is provided with a plurality of first contact points connected to a power source, and the magnetic force acting member is provided with a plurality of second contact points respectively connected to magnets provided at one end and the other end of the magnetic force acting member,
Each of the plurality of first contact points is provided in the movement guide hole to be spaced apart from each other at a predetermined angle and staggered so that the magnet is connected to the power source only within a predetermined rotation angle range of the magnetic force acting member. A curved plate forming apparatus in which the plurality of second contact points are provided on the magnetic force application member to be spaced apart from each other at a predetermined angle and staggered so as to correspond to each contact point.

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