KR101739454B1 - Feeding apparatus for curvature forming of metal plate and method for feeding thereof - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a feeding device for forming a curved surface of a metal plate and includes a main frame having a support frame for supporting a metal plate to be curved so as to be capable of forming a curved surface, There is provided a feeding device for forming a curved surface of a metal plate including a lift portion provided on a main frame and a lateral conveyance portion for horizontally conveying a metal plate in a support frame.
According to the present invention, the metal sheet material is transported without interference to a roll set forming apparatus for forming a flat metal sheet material into a curved surface having various curvatures, thereby facilitating the insertion and recovery of the metal sheet material into the roll set forming apparatus, It is possible to increase the formability of the metal plate by making it possible to move up and down and to transverse direction and to insert and recover the metal plate according to the amount of curvature in the transverse direction and the longitudinal direction of the metal plate, It is possible to perform the customizing function in accordance with the function of the display device and fine adjustment of the function.

Description

TECHNICAL FIELD [0001] The present invention relates to a feeding apparatus for forming a curved surface of a metal plate,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a feeding apparatus and method for forming a curved surface of a metal plate, and a method of feeding and recovering a metal plate by raising and lowering a metal plate, The present invention relates to a feeding device and a feeding method for forming a curved surface of a metal plate configured to improve the formability of a metal plate by allowing a directional feed.

In general, metal plates are used in various parts of ships, aircraft, automobiles, and household appliances, especially as frames. As these materials, not only flat plate type metal plate but also flat plate type metal plate are widely used. In particular, a metal plate material including a complicated curved surface shape is used as a frame material for a ship, an aircraft, or an automobile. Accordingly, many techniques have been proposed for forming the metal plate to have a complicated curved surface.

A conventional apparatus and method for curvilinear molding of a metal plate are disclosed in "Molding tool for forming a double curvature plate, a molding apparatus having the same, and a molding method of a plate using the same, " Patent Publication No. 419776 discloses a technique of forming a curved surface on a metal plate by pressing a metal plate placed on a roll pedestal and controlling the curvature of the metal plate to a vertical movement displacement of the center roll.

Korean Patent No. 653740, entitled "Universal Roll Set for Double Curvature Molding of Metal Plates < / RTI > and a Molding Method Using the Same ", discloses a method of changing the roll set configuration A method of controlling the shape of a curved surface and controlling the amount of curvature by adjusting the vertical positions of the center rolls and the supporting rolls of the upper and lower portions is disclosed in "Linear arrangement rolls for forming metal plates having various shapes of double curvature" Korean Patent No. 668068, which was filed on Jan. 5, 2007, entitled " Molding Method Using the Same ", can minimize the thickness deformation caused by the stretching of the metal plate, Discloses a technique capable of molding using only linear array rolls without the need for a mold.

In the conventional method and apparatus for forming a curved surface of a metal plate, a metal plate is clamped using a lifting clamp, a metal plate is handled using a crane, or a metal plate is loaded using a crane and a hydraulic cylinder Therefore, it takes a lot of time and effort to input and recover the metal sheet material, and it is difficult to improve the formability of the metal sheet material, and it is difficult to perform the function of fitting according to the curvature of the metal sheet material. It is difficult to fine-tune the microstructure.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a roll set forming apparatus for forming a flat plate metal plate into curved surfaces having various curvatures, The metal plate material can be easily lifted and traversed and the metal plate material can be fed and recovered in accordance with the amount of curvature in the transverse direction and the longitudinal direction of the metal plate, The support and the lateral transfer are made possible, so that the fitting function according to the metal plate can be performed and the fine adjustment of the function can be performed.

According to one aspect of the present invention, there is provided a feeding device for forming a curved surface of a metal plate, wherein a support frame for supporting the metal plate to be curved is provided at an upper portion thereof, For a curved surface forming of a metal plate including a main frame capable of lifting and lowering the support frame, a lift part provided on the main frame for lifting and lowering the support frame, and a transverse direction conveying part for horizontally conveying the metal plate in the support frame A feeding device is provided.

The main frame includes a plurality of traveling wheels arranged to travel along a rail at a lower end thereof, and a traveling motor installed to provide rotational force to the traveling wheels.

The main frame is provided with a fixing bar on one side or both sides of the support frame for reducing the interval of supporting the metal plate.

The elevating unit includes a first lead screw supporting a lower portion of the support frame and vertically installed to be screwed to the main frame, and a lift motor installed on the main frame to rotate the first lead screw.

The elevating unit further includes a fixed frame installed on both sides of the support frame, and a first ball screw installed on each of the fixed frames to screw-connect the first lead screws.

The elevating unit further includes a first guide shaft vertically installed from a lower portion of the support frame and slidably coupled to the main frame vertically.

The transverse direction conveying unit includes a conveying frame provided to be movable in a lateral direction to the support frame, a second lead screw screwed to the conveyance frame and installed in a lateral direction, and a second lead screw installed to rotate the second lead screw And a feed motor.

And the transverse direction transmitting portions are provided on both sides of the support frame.

The transfer frame is provided with a plurality of engaging portions spaced apart from each other along the longitudinal direction of the second lead screw and a second ball screw for screwing the engaging portion to the second lead screw is mounted, And is slidably coupled to a second guide shaft disposed in parallel with the second lead screw.

And a support portion installed to support the metal plate on the transport frame.

The supporting portion may further include a third lead screw which is threadedly coupled to the transfer frame and which is vertically installed, and an electric motor installed on the transfer frame to rotate the third lead screw.

The support portions are provided on both sides of the transfer frame.

The support portion is installed such that the third lead screw located on both sides of the transfer frame is inclined to the center of the transfer frame.

The third lead screw is provided with a roller follower at the upper end thereof.

The conveyance frame is provided with a guide roller for guiding the drawing of the metal plate.

According to another aspect of the present invention, there is provided a feeding method for forming a curved surface of a metal plate, comprising the steps of: stacking the metal plate on a support frame above the main frame; and raising the support frame from the main frame, And moving the metal plate to a processing position of the rollset forming apparatus; moving the metal plate in a lateral direction on the support frame to correct the deformation of the metal plate; And lowering the support frame to place the metal plate on a lower roll set of the rollset forming apparatus.

When the metal sheet material is formed by the roll-set forming apparatus, the metal sheet material is supported by a lead screw that moves up by electric rolling.

According to another aspect of the present invention, there is provided a feeding device for forming a curved surface of a metal plate, the feeding device comprising: a main frame; a support frame lifted and lowered by a lift portion provided on the main frame; And a plurality of supports provided on the support frame to support the metal plate in an inclined state. Wherein the plurality of support portions include a third lead screw arranged up and down in a tilted state and an electric motor for rotating the third lead screw so that the support portions are raised and lowered by driving of the electric motor, And is installed in a transfer frame which is installed to be movable in the lateral direction on the support frame.

According to the present invention, the metal sheet material is transported without interference to a roll set forming apparatus for forming a flat metal sheet material into a curved surface having various curvatures, thereby facilitating the insertion and recovery of the metal sheet material into the roll set forming apparatus, It is possible to increase the formability of the metal plate by making it possible to move up and down and to transverse direction and to insert and recover the metal plate according to the amount of curvature in the transverse direction and the longitudinal direction of the metal plate, So that it is possible to fine-tune such functions.

1 is a plan view showing a feeding device for forming a curved surface of a metal plate according to an embodiment of the present invention;
FIG. 2 is a front view showing a feeding device for forming a curved surface of a metal plate according to an embodiment of the present invention; FIG.
3 is a side view showing a feeding device for curved surface forming of a metal plate according to an embodiment of the present invention,
FIG. 4 is a front view showing a use of a feeding device for forming a curved surface of a metal plate according to an embodiment of the present invention; FIG.
5 is a view illustrating a process of forming a curved surface while forming roll lanes by a roll forming device according to an embodiment of the present invention,
6 is a flowchart illustrating a feeding method for forming a curved surface of a metal plate according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the following examples can be modified in various forms, and the scope of the present invention is not limited to the following examples.

1 to 3 are a plan view, a front view, and a side view, respectively, of a feeding apparatus for forming a curved surface of a metal plate according to an embodiment of the present invention.

1 to 3, a feeding device 100 for forming a curved surface of a metal plate according to an embodiment of the present invention includes a main frame 110 (see FIG. 3) supporting a metal plate 1 A lifting portion 120 for lifting the metal plate 1 on the main frame 110 and a transverse feeding portion 130 for horizontally feeding the metal plate 1 on the main frame 110 can do.

The main frame 110 is provided with a support frame 111 for supporting the metal plate 1 so that the metal plate 1 can be curved by a roll forming device and is movable along the ground surface. The main frame 110 is provided with a plurality of traveling wheels 112 for traveling along a rail 2 provided at the lower end for movement and rotatably supports the belt 113a with respect to some or all of the plurality of traveling wheels 112. [ Or a gear assembly or the like. Therefore, the metal plate 1 can be easily positioned in the process direction by using the rail 2 and the traveling wheel 112, and there is no risk of safety accidents that may occur when a crane is used.

The main frame 110 may be provided with a fixing bar 114 for reducing the spacing of the metal plate 1 on either side of the support frame 111 or on both sides as in the present embodiment.

The elevating part 120 is installed on the main frame 110 to vertically lift the support frame 111 from the main frame 110. [

The elevating portion 120 includes a first lead screw 121 for supporting a lower portion of the support frame 111 and a second lead screw 121 for providing a rotational force through a belt, And a lifting motor 122 installed on the main frame 110. [ Here, the first lead screw 121 is screwed to the main frame 110 and installed vertically.

The elevating part 120 includes a fixed frame 123 provided below both sides of the supporting frame 111 and a second ball screw 123 provided on each of the fixed frames 123 so that the first lead screw 121 is screw- And may further include a first guide shaft 125 vertically installed from a lower portion of the support frame 111 and slidably coupled to the main frame 110 in an up and down direction.

The transverse direction conveying unit 130 conveys the metal plate 1 in the transverse direction in the support frame 111. To this end, the transverse conveying unit 130 includes a conveying frame 131 installed to be movable in the lateral direction on the support frame 111, A second lead screw 132 screwed to the frame 131 to be installed laterally and a feed motor 132 installed on the support frame 111 to rotate the second lead screw 132 through a belt or gear assembly 133). The transfer frame 131 is provided with a plurality of engaging portions 131a spaced apart from each other along the longitudinal direction of the second lead screw 132 and a second lead screw 132 is screwed to the engaging portion 131a. And the engaging portion 131a is slidably engaged with the second guide shaft 134 disposed in parallel to the second lead screw 132. The second guide shaft 134 is installed in parallel with the second lead screw 132. [

The transverse direction transfer unit 130 may be installed on both sides of the support frame 111 as in the present embodiment.

The feeding device 100 for forming the curved surface of the metal plate according to an exemplary embodiment of the present invention may further include a support portion 140 installed to support the metal plate 1 on the transfer frame 131.

The support unit 140 includes a third lead screw 141 screwed to the transfer frame 131 and vertically installed and a second lead screw 141 connected to the transfer frame 131 And may be installed on both sides of the transfer frame 131 as in the present embodiment. Here, the transfer frame 131 may be provided with a third ball screw 143 to which the third lead screw 141 is screwed.

The third lead screw 141 positioned on both sides of the transfer frame 131 is installed to be inclined at the upper end toward the center of the transfer frame 131 so that interference with the roll set molding apparatus can be avoided during the rise. The third lead screw 141 may be provided with a roller follower 143 capable of rotating 360 degrees at an upper end thereof. Therefore, the roller follower 143 can be rotated 360 degrees from the upper end of the third lead screw 141, thereby facilitating the upward / downward and leftward / rightward feed of the metal plate 1.

The transfer frame 131 may be provided with a guide roller 135 for guiding the drawing of the metal plate 1. [ Therefore, the guide rollers 135 facilitate the initial entry of the metal plate 1. [

4, according to an embodiment of the roll forming apparatus 200 using the feeding apparatus 100 for forming the curved surface of the metal plate according to the embodiment of the present invention, The upper roll 220 can be moved up and down along the upper horizontal girder 210 and the lower roll 220 can be moved to the lower side of the upper roll 220. [ Are mounted on the pedestal 250 to move longitudinally and laterally.

5, the roll line L is linearly formed in the X-axis direction, that is, in the longitudinal direction, on the metal plate 1 conveyed by the lowering of the upper roll 220. [ The metal plate 1 is moved after the one roll line L is formed so that the forming positions of the upper roll 220 and the lower roll set 240 are different in the lateral direction, The long roll lines L can be formed to be parallel to each other in the transverse direction so that deformation due to curved surface formation is distributed over substantially the entire area of the metal plate 1 except for the edge area.

6 is a flowchart illustrating a feeding method for forming a curved surface of a metal plate according to an embodiment of the present invention.

6, a method of forming a curved surface of a metal plate according to an embodiment of the present invention includes a step S11 of loading a metal plate onto a support frame, a step of raising a metal plate together with the support frame, (S12), a step (S13) of transferring the metal plate to the process position (S13), a step (S14) of moving the metal plate in the lateral direction, and a step (S15) of lowering the metal plate together with the support frame .

The metal plate 1 to be curved is formed on the support frame 111 on the main frame 110 by using the rollset forming apparatus 200 in operation S11.

When the metal frame 1 is loaded on the support frame 111, the support frame 111 is raised from the main frame 110 by the operation of the lift portion 120 to lift the metal plate 1 (S12) . The elevating unit 120 moves the first lead screw 121 upward by driving the elevating motor 122 to elevate the supporting frame 111 from the main frame 110 so that the metal plate 1 Rise.

When the metal plate 1 is lifted up, the traveling wheel 112 travels along the rail 2 by driving the traveling motor 113 so that the main frame 110 moves the metal plate 1 to the roll set forming apparatus 200 To the process position for curved surface forming (S13).

When the metal plate 1 is transferred to the process position for curved surface forming, the metal plate 1 is moved in the lateral direction on the support frame 111 to correct the deformation of the metal plate 1 (S14). Here, the lateral movement of the metal plate 1 is performed by moving the transfer frame 131 provided on the support frame 111 by rotating the second lead screw 132 by driving the transfer motor 133, thereby moving the metal plate 1 ) Can be corrected. At this time, it is possible to correct the deflection of the metal plate 1 by moving only one transfer frame 131 or moving the transfer frames 131 in opposite directions.

The support frame 111 is lowered by the driving of the elevating part 120 so that the metal plate 1 can be moved to the lower roll set 240 of the roll set forming device 200, (S15). Then, a curved surface forming process is performed on the metal plate 1 by the rollset forming apparatus 200 (S16).

The metal plate 1 is lifted by the elevation of the support frame 111 after the curved surface forming of the metal plate 1 by the rollset forming apparatus 200 and the metal plate 1 on the support frame 111 (S17), and the metal plate 1 can be lowered by the lowering of the support frame 111 (S18).

The support frame 111 is lowered to lower the metal plate 1 and the lead screw that raises the metal plate 1 by electric power such as electric motor And is supported by the third lead screw 141 that rotates and rises by driving the motor 142 (S19). At this time, it is possible to support the asymmetric and irregular metal plate 1 having a curved surface by raising the third lead screws 141, respectively.

When the lead screw, for example, the third lead screw 141 supports the metal plate 1, the support frame 111 is raised by the driving of the lift portion 120 (S20) to recover the metal plate 1 (S21).

According to the feeding device and method for forming the curved surface of the metal plate according to the present invention, when the traveling wheel 112 travels along the rail 2 by driving the traveling motor 113, A support member 140 of an electric cylinder type supporting system capable of adjusting the height of the metal plate 1 and aligning the metal plate 1 in the process direction, So as to enable stable conveyance of the metal sheet 1 and to allow the sheet to run without interfering with the roll set forming apparatus 200 such as a large single roll set, Therefore, it is possible to prevent the metal plate 1 from being charged and recovered, and from damage due to collision during roll-line forming.

The transverse direction conveying section 130 can transfer the metal plate 1 in the transverse direction, that is, in the transverse direction, and the transverse direction provided in the support frame 111 can be transferred to the transfer frame 131 of the transfer section 130 The deflection of the supported metal plate 1 can be corrected by the operation of the transverse direction feeding unit 130. [

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 and scope of the invention will be.

1: metal plate 2: rail
110: main frame 111: support frame
112: traveling wheel 113: traveling motor
114: fixed bar 120:
121: first lead screw 122: elevating motor
123: fixed frame 124: first ball screw
125: first guide shaft 130:
131: Transfer frame 131a:
131b: second ball screw 132: second lead screw
133: Feed motor 134: Second guide shaft
135: guide roller 140:
141: third lead screw 142: electric motor
143: roller follower 200: roll set forming device
210: upper horizontal girder 220: upper roll
230: Lower roll 240: Lower roll
250: Stand

Claims (19)

A feeding device for forming a curved surface of a metal plate,
A main frame movable in parallel with the ground;
A support frame provided on the main frame to support the metal plate so that the metal plate can be curved;
A lift unit installed on the main frame to raise and lower the support frame; And
And a transverse direction conveying unit for horizontally conveying the metal plate material in the support frame,
Wherein the transverse direction feeding portion comprises:
A transfer frame mounted to the support frame so as to be movable laterally;
A second lead screw screwed to the transfer frame and laterally installed in the support frame; And
And a feed motor installed to rotate the second lead screw. The feeding device for forming a curved surface of a metal plate according to claim 1, [2] The apparatus of claim 1,
A plurality of traveling wheels arranged to travel along the rails at the lower end; And
And a traveling motor installed to provide a rotational force to the traveling wheel. [3] The apparatus according to claim 1 or 2,
The main frame having a longitudinal direction identical to the moving direction of the main frame,
And a fixing bar for reducing a distance between the pair of support frames to support the metal plate. [2] The apparatus of claim 1,
A first lead screw supporting a lower portion of the support frame and vertically installed to be screwed to the main frame; And
And a lifting motor mounted on the main frame to rotate the first lead screw. [5] The apparatus of claim 4,
The main frame having a longitudinal direction identical to the moving direction of the main frame,
The elevating portion
A fixed frame installed below the pair of support frames;
Further comprising a first ball screw installed on each of the fixed frames so that the first lead screws are threadedly engaged with the first ball screws. [5] The apparatus according to claim 4 or 5,
Further comprising a first guide shaft vertically installed from a lower portion of the support frame and slidably coupled to the main frame up and down. delete [2] The apparatus according to claim 1,
Wherein the support frame is provided at both ends of the support frame. [2] The apparatus according to claim 1,
And a second ball screw for screwing into the second lead screw is mounted on the coupling portion, and the coupling portion is mounted on the second lead screw, And a second guide shaft installed parallel to the first guide shaft. The feeding device according to any one of claims 1 to 9, further comprising: a support portion that is installed to support the metal plate on the transport frame. [10] The apparatus of claim 10,
A third lead screw that is threadedly coupled to the transfer frame and installed vertically; And
Further comprising an electric motor mounted on the transfer frame to rotate the third lead screw. [Claim 12] The method of claim 11,
A pair of conveying frames,
Wherein the pair of supports are spaced apart from each other with respect to a central portion of the transfer frame. 13. The method of claim 12,
And the third lead screw is installed such that an upper end of the third lead screw is inclined toward the center of the transfer frame. [12] The method of claim 11, wherein the third lead screw
And a roller follower is mounted on the upper end of the metal plate. The apparatus of claim 1 or 9, wherein the transfer frame
And a guide roller for guiding the drawing of the metal plate is installed. A feeding method for forming a curved surface of a metal plate,
Loading the metal plate on a support frame above the main frame;
Lifting the support frame from the main frame to raise the metal plate;
Moving the main frame to transfer the sheet metal to a processing position of the roll forming apparatus;
Moving the metal plate in the lateral direction on the support frame to correct the deformation of the metal plate; And
And lowering the support frame to place the metal plate on a lower roll set of the roll set forming device. The feeding method according to claim 16, further comprising: supporting the metal plate with a lead screw which is driven by a motor when the metal plate is formed by the roll forming device. A feeding device for forming a curved surface of a metal plate,
Mainframe;
A support frame which is lifted and lowered by a lift portion provided on the main frame;
And a plurality of supports provided on the support frame to support the metal plate and supporting the metal plate in an inclined state,
Wherein the plurality of support portions include a third lead screw arranged up and down in a tilted state and an electric motor for rotating the third lead screw so that the support portions are raised and lowered by driving of the electric motor, Wherein the support frame is provided on a transfer frame which is installed to be movable in a lateral direction on the support frame. delete

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