KR20180024996A - Blank guide device in flexible roll forming system - Google Patents

Abstract

A material guide apparatus for a variable roll forming system is disclosed. According to an embodiment of the present invention, the material guide apparatus for a variable roll forming system comprises a frame, a slide plate unit, a position adjustment means, a lower roller unit, an upper roller unit, and a drive motor. The frame has each guide post installed on both sides thereof to connect both sides of an upper beam with both sides of a lower beam to allow the lower beam to be fixed to lower parts of the both sides through a mounting plate in a process direction of the variable roll forming unit in each stage. The slide plate unit has an upper slide plate and a lower slide plate connected and movably installed on each guide post on both sides to be slid vertically. The position adjustment means is installed between the upper beam and the upper slide plate to adjust the position of the slide plate unit in a vertical direction. The lower roller unit is installed at the center of the lower slide plate to allow the lower roller to be moved in the vertical direction by driving of a cylinder. The upper roller unit is formed at the center of the upper slide plate to allow the upper roller to be moved in the vertical direction by driving of a cylinder. The drive motor is positioned on one side of the upper roller unit to transfer a rotational driving force to the upper roller.

Description

Technical Field [0001] The present invention relates to a material guide device for a variable roll forming system,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material guide apparatus for a variable roll forming system and more particularly to a variable roll forming system in which a blank material is roll-formed by a forming beam having an irregular cross- To a material guide device for a variable roll forming system for guiding a blank material on both sides of the unit in the process direction.

Generally, a roll forming method is a method in which a coil is loosened to form a pair of an upper forming roll and a lower forming roll so that they pass through a multi-stage roll forming unit arranged in a row and are sequentially bent and formed into a predetermined shape. The molded beam produced through the injection molding is mostly an intaglio type which is bent and formed into a certain shape such as a beam for a vehicle, a frame type, and a member type.

That is, in the roll forming method according to the related art, an uncoiler for loosening the supplied coil is provided in front of the processing line to supply the coil, and a straightener is provided behind the uncoiler in the process direction, Flatten it.

A press is provided at the rear of the straightener in the process direction to form holes for various uses in the coil supplied from the straightener and thereafter a coil supplied by at least ten or more roll forming units, And then formed into a roll-shaped forming beam of a linear type having a constant shape.

Thereafter, a cutting press is provided behind the roll forming unit in the process direction to cut the formed beam according to the finished product for commercialization to produce a roll-formed formed beam.

However, the forming beam formed through the above-described conventional roll forming process has a problem in that the flat plate coil or blank (i.e., panel) having a constant size of a rectangular or square shape in cross section, It is possible to form only a forming beam, but a forming beam having a deformed section whose width and height are different along the longitudinal direction has a disadvantage that molding is impossible.

In recent years, in the case of a molded article having an irregular cross-section along the longitudinal direction, a multi-stage variable roll forming unit is constituted so that the upper and lower forming rolls are bi- And a variable roll forming system that allows variable roll forming to be performed with a forming beam having an irregular cross section whose width and height are different from each other.

In this variable roll forming system, a material guide device is provided between the variable roll forming units for each step so that the material is stably guided even if the supplied material is not a coil but a blank material is applied.

The embodiment of the present invention is characterized in that a material guide for a variable roll forming system, which is constituted on both sides of a process direction of each variable roll forming unit, guides a blank material fed to the next variable roll forming unit for each step, Device.

In addition, the gap between the lower roller and the upper roller is automatically adjusted through the respective ascending / descending cylinders so that the load applied to the work is kept constant, and the driving force is assisted through the driving motor to move the blank material in the process direction And to provide a material guide device for a variable roll forming system that enables stable feeding.

In one or more embodiments of the present invention, in the material guide apparatus for a variable roll forming system, both side guide posts are provided by connecting both the upper beam and the lower beam, and the lower beam is guided through the mounting plate, A frame fixed to both lower sides of the forming unit in the forming direction; A slide plate unit in which an upper slide plate and a lower slide plate connected to each other are installed on the both side guide posts so as to be slidable in a vertical direction; Position adjusting means, arranged between the upper beam and the upper slide plate, for adjusting the vertical position of the slide plate unit; A lower roller unit formed at the center of the lower slide plate and configured such that a lower roller is movable in a vertical direction by a cylinder drive; An upper roller unit formed at the center of the upper slide plate and configured such that the upper roller is movable in a vertical direction by a cylinder drive; And a driving motor that is disposed at one side of the upper roller unit and transmits a rotational driving force to the upper roller.

In addition, the frame may be formed into a square by connecting both ends of the upper beam and the lower beam vertically, with the upper beam and the lower beam being spaced apart from each other by a predetermined distance.

The slide plate unit includes a pair of upper slide plates and a lower slide plate which are coupled to each other through a pair of side connecting plates to form a square shape, As shown in Fig.

In addition, the position adjusting means may include a screw housing installed at the center of the upper beam; A bearing block formed on an upper side of a center portion of the upper slide plate; And a screw rod having a lower end rotatably supported on the bearing block in a state that the screw housing is screwed into the screw housing, and an adjustment handle is provided on an upper end thereof.

The lower roller unit may include a lower cylinder installed upward at a center of the lower slide plate; A lower roller rotatably installed at a distal end of an operating rod of the lower cylinder through a lower roller bracket; And a lower guide unit configured between the lower roller bracket and the lower slide plate and guiding upward and downward movement of the lower roller.

The lower guide means may include a lower guide rod installed on both sides of the lower roller bracket in an upward direction; And a lower guide block installed on both sides of the center of the lower slide plate and guiding the lower guide rod in the vertical direction.

The upper roller unit may include an upper cylinder disposed downward at the center of the upper slide plate; An upper roller rotatably installed at an end of an operating rod of the upper cylinder through an upper roller bracket; And upper guide means formed between the upper roller bracket and the upper slide plate for guiding upward and downward movement of the upper roller.

The upper guide means may include upper guide rods installed on both sides of the upper roller bracket in a downward direction; And an upper guide block installed at both sides of the center of the upper slide plate and guiding the upper guide rod in the vertical direction.

The drive motor may be a step motor capable of controlling the number of revolutions and the direction of rotation.

In the embodiment of the present invention, the blank material, which is constituted on both sides in the process direction of each variable roll forming unit, is guided to the next variable roll forming unit for each step so that the material supply can be stably performed.

In addition, the gap between the lower roller and the upper roller is automatically adjusted through each lifting cylinder so that the load applied to the material is kept constant.

In addition, by applying a driving motor to one roller, the driving force is assisted so that the blank material moves in the process direction, thereby enabling stable feeding.

1 is a perspective view of a variable roll forming unit to which a material guide apparatus according to an embodiment of the present invention is applied.
2 is a front perspective view of a work guide apparatus for a variable roll forming system according to an embodiment of the present invention.
3 is a rear perspective view of a work guide device for a variable roll forming system according to an embodiment of the present invention.
4 is a front view of a work guide apparatus for a variable roll forming system according to an embodiment of the present invention.
5 is a side view illustrating the operation of a work guide apparatus for a variable roll forming system according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that the sizes and thicknesses of the components shown in the drawings are arbitrarily shown for convenience of explanation, and thus the present invention is not necessarily limited to those shown in the drawings.

In order to clearly explain the embodiments of the present invention, parts that are not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

FIG. 1 is a perspective view of a variable roll forming unit to which a material guide apparatus according to an embodiment of the present invention is applied, FIG. 2 is a front perspective view of a material guide apparatus for a variable roll forming system according to an embodiment of the present invention, 1 is a rear perspective view of a work guide device for a variable roll forming system according to an embodiment of the present invention.

A material guide apparatus 1 (hereinafter referred to as a material guide apparatus) for a variable roll forming system according to an embodiment of the present invention basically includes a variable roll forming unit RU (not shown) of a variable roll forming system, ) To guide the blank material B supplied to the next variable roll forming unit RU in each step so that the supply of the material can be stably performed.

1, 2, and 3, the work guide 1 includes a frame 3, a slide plate unit 10, a position adjusting unit 20, a lower roller unit 30, 40, and a drive motor 50.

The frame 3 is provided with both side guide posts 5 by connecting the upper beam 3a and the lower beam 3b to each other and the lower beam 3b is mounted on the mounting plate 7, And is fixed to both the lower frames F in the process direction of the roll forming unit RU.

Such a frame 3 is a structure in which the both side beams 3c are arranged in such a manner that both ends of the upper beam 3a and the lower beam 3b are moved up and down To form a square.

The both side guide posts 5 are installed by vertically connecting both ends of the upper beam 3a and the lower beam 3b.

The slide plate unit 10 is installed such that the upper slide plate 11 and the lower slide plate 12 connected to each other are slidable on the both side guide posts 5 in the vertical direction.

That is, the slide plate unit 10 is connected to the upper slide plate 11 and the lower slide plate 12 through the side connecting plates 13 and 14 to form a rectangular shape.

A post housing 15 is formed on both sides of the upper slide plate 11 and the lower slide plate 12 and is slidably supported on the both side guide posts 5 through the post housing 15 And is movably installed.

The position adjusting means 20 is arranged between the upper beam 3a and the upper slide plate 11 to adjust the overall vertical position of the slide plate unit 10. [

That is, the position adjusting means 20 is provided with the screw housing 21 at the center of the upper beam 3a and the bearing block 22 at the upper side of the central portion of the upper slide plate 11.

The lower end of the screw rod 23 is rotatably supported on the bearing block 22 with the screw rod 23 screwed into the screw housing 21.

An adjustment handle 24 is provided at the upper end of the screw rod 23 so that the upper slide plate 11 and the lower slide plate 12 can be moved in the vertical direction by operating the adjustment handle 24. [ .

The lower roller unit 30 is formed at the center of the lower slide plate 12, and the lower roller Rl is vertically movable by a cylinder drive.

That is, the lower roller unit 30 is installed with the lower cylinder 31 upward at the center of the lower slide plate 12, and the lower roller bracket 33 is connected to the end of the operation rod of the lower cylinder 31 A lower roller R1 is rotatably installed.

A lower guide means 35 is provided between the lower roller bracket 33 and the lower slide plate 12 to guide the lifting and lowering of the lower roller R1.

The lower guide means 35 is provided with a lower guide bar 35a upwardly on both sides of the lower roller bracket 33 and a lower guide bar 35b on both sides of the center of the lower slide plate 12, So as to guide the lower guide bar 35a in the vertical direction.

The upper roller unit 40 is formed at the center of the upper slide plate 11 and is configured such that the upper roller R2 is vertically movable by a cylinder drive.

That is, the upper roller unit 40 is provided with the upper cylinder 41 downward at the center of the upper slide plate 11, and the upper roller bracket 43 is connected to the end of the operation rod of the upper cylinder 41 An upper roller R2 is rotatably installed.

An upper guide means 45 is provided between the upper roller bracket 43 and the upper slide plate 11 to guide upward and downward movement of the upper roller R2.

The upper guide means 45 includes upper guide rods 45a provided on both sides of the upper roller bracket 43 in the downward direction and upper guide blocks 45b formed on both sides of the central portion of the upper slide plate 11, So as to guide the upper guide bar 45a in the vertical direction.

The driving motor 50 is disposed at one side of the upper roller bracket 43 of the upper roller unit 40 and connected to the upper roller R2 through a rotary shaft to transmit a rotary driving force.

The driving motor 50 may be a step motor capable of controlling the number of revolutions and the direction of rotation. In the embodiment of the present invention, the driving motor 50 is configured to transmit the rotational force to the upper roller R2. The present invention is not limited thereto, and it may be configured to transmit rotational force to the lower roller R1.

Therefore, the operation of the work guide device 1 for a variable roll forming system having the above-described configuration will be described with reference to Figs. 4 and 5. Fig.

FIG. 4 is a front view of a work guide apparatus for a variable roll forming system according to an embodiment of the present invention, and FIG. 5 is a side view for explaining operation of a work guide apparatus for a variable roll forming system according to an embodiment of the present invention .

4 and 5, between the lower and upper rollers R 1 and R 2, the blank material B to be fed is fed between the upper and lower rollers R 1 and R 2 between the material guiding apparatus 1 and the respective variable roll forming units RU. So as to stably supply the material to the variable roll forming unit RU for each step.

That is, when the blank material B enters between the lower and upper rollers R1 and R2 from the variable roll forming unit RU in the process direction ahead of the workpiece guide 1, The upper roller R2 is rotated by the rotational force to draw the blank material B and to guide it in the backward direction of the process.

The blank material B passes through the upper roller R2 and the lower roller R1 in a rolling contact state by the rotational force of the upper roller R2.

Thus, the blank material B having passed between the upper roller R2 and the lower roller R1 is fed to the variable roll forming unit RU in the process direction.

On the other hand, the entire upper and lower positional adjustment of the lower and upper rollers R1 and R2 is adjustable by the rotation of the screw rod 23 by operating the upper adjustment handle 24.

5, the interval between the lower roller R1 and the upper roller R2 is adjusted by the forward and backward movement of the lower cylinder 31 and the upper cylinder 41, and the distance between the lower and upper cylinders 31, (B) passing between the lower roller (R1) and the upper roller (R2) by the pressing force of the pressing roller (41).

Therefore, the material guide apparatus 1 according to the embodiment of the present invention is configured such that the blank material B, which is constituted on both sides in the process direction of each variable roll forming unit RU, is fed by a predetermined pressing force and a driving force to the next variable roll forming unit (RU) so that the material supply can be stably performed.

Further, the gap between the lower roller R1 and the upper roller R2 is automatically adjusted through the respective ascending and descending cylinders, so that the load applied to the work is constantly maintained.

In addition, by applying the driving motor 50 to the upper roller R2, stable feeding can be achieved by assisting the driving force such that the blank material B moves in the process direction.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes to the scope that are deemed to be valid.

1: frame
10: Slide plate unit
11: upper slide plate
12: Lower slide plate
13, 14: side slide plate
15: Post housing
20: Position adjusting means
21: Screw housing
22: Bearing block
23: Screw rods
24: Adjustment handle
30: Lower roller unit
31: Lower cylinder
33: lower roller bracket
35: Lower guide means
40: upper roller unit
41: upper cylinder
43: upper roller bracket
45: upper guide means
50: drive motor
B: Blank material

Claims (24)

A material guide apparatus for a variable roll forming system,
A frame having both side guide posts connected to both sides of the upper beam and the lower beam and fixed to both lower sides of the variable roll forming unit in each step through the mounting plate;
A slide plate unit in which an upper slide plate and a lower slide plate connected to each other are installed on the both side guide posts so as to be slidable in a vertical direction;
Position adjusting means, arranged between the upper beam and the upper slide plate, for adjusting the vertical position of the slide plate unit;
A lower roller unit formed at the center of the lower slide plate and configured such that a lower roller is movable in a vertical direction by a cylinder drive;
An upper roller unit formed at the center of the upper slide plate and configured such that the upper roller is movable in a vertical direction by a cylinder drive; And
A driving motor that is disposed at one side of the upper roller unit and transmits rotational driving force to the upper roller;
And a control unit for controlling the feed rollers. The method according to claim 1,
The frame
Wherein the upper beam and the lower beam are spaced apart from each other by a predetermined distance so that both side beams form a square by connecting both ends of the upper beam and the lower beam vertically. The method according to claim 1,
The slide plate unit
The upper slide plate and the lower slide plate are connected to each other through the two side connecting plates to form a rectangular shape and are slidably movable in the up and down direction on the both side guide posts through a post housing formed on both sides of the upper and lower slide plates Material guide for variable roll forming systems. The method according to claim 1,
The position adjusting means
A screw housing installed at the center of the upper beam;
A bearing block formed on an upper side of a center portion of the upper slide plate; And
A screw rod having a lower end rotatably supported on the bearing block in a state that the screw housing is screwed into the screw housing,
And a guide member for guiding the workpiece. The method according to claim 1,
The lower roller unit
A lower cylinder installed upward at a center of the lower slide plate;
A lower roller rotatably installed at a distal end of an operating rod of the lower cylinder through a lower roller bracket; And
Lower guide means formed between the lower roller bracket and the lower slide plate for guiding upward and downward movement of the lower roller;
The material guide device for a variable roll forming system. 6. The method of claim 5,
The lower guide means
A lower guide rod installed upward on both sides of the lower roller bracket; And
A lower guide block installed on both sides of the center of the lower slide plate and guiding the lower guide rod in the vertical direction;
And the material guide device for a variable roll forming system. The method according to claim 1,
The upper roller unit
An upper cylinder installed downward at a center of the upper slide plate;
An upper roller rotatably installed at an end of an operating rod of the upper cylinder through an upper roller bracket; And
Upper guide means formed between the upper roller bracket and the upper slide plate to guide upward and downward movement of the upper roller;
The material guide device for a variable roll forming system. 8. The method of claim 7,
The upper guide means
An upper guide rod installed on both sides of the upper roller bracket in a downward direction; And
An upper guide block installed on both sides of a central portion of the upper slide plate and guiding the upper guide rod in a vertical direction;
And the material guide device for a variable roll forming system. The method according to claim 1,
The drive motor
And a step motor capable of controlling the number of revolutions and the direction of rotation. A material guide apparatus for a variable roll forming system,
The upper beam and the lower beam are spaced apart from each other by a predetermined distance so that both side beams connect the opposite ends of the upper beam and the lower beam vertically to form a square, Wherein the lower beam is fixed to both lower sides of the variable roll forming unit in the process direction through the mounting plate;
The upper slide plate and the lower slide plate are connected to each other through the two side connecting plates to form a rectangular shape and are slidably movable in the up and down direction on the both side guide posts through a post housing formed on both sides of the upper and lower slide plates A slide plate unit;
A lower end of the screw rod is rotatably supported on a bearing block formed on an upper side of a center portion of the upper slide plate with a screw bar fixed to a screw housing provided at the center of the upper beam, Position adjusting means for adjusting a position of the slide plate unit in a vertical direction;
A lower roller unit formed at the center of the lower slide plate and configured such that a lower roller is movable in a vertical direction by a cylinder drive;
An upper roller unit formed at the center of the upper slide plate and configured such that the upper roller is movable in a vertical direction by a cylinder drive;
A driving motor that is disposed at one side of the upper roller unit and transmits rotational driving force to the upper roller;
And a control unit for controlling the feed rollers. 11. The method of claim 10,
The lower roller unit
A lower cylinder installed upward at a center of the lower slide plate;
A lower roller rotatably installed at a distal end of an operating rod of the lower cylinder through a lower roller bracket; And
Lower guide means formed between the lower roller bracket and the lower slide plate for guiding upward and downward movement of the lower roller;
The material guide device for a variable roll forming system. 12. The method of claim 11,
The lower guide means
A lower guide rod installed upward on both sides of the lower roller bracket; And
A lower guide block installed on both sides of the center of the lower slide plate and guiding the lower guide rod in the vertical direction;
And the material guide device for a variable roll forming system. 11. The method of claim 10,
The upper roller unit
An upper cylinder installed downward at a center of the upper slide plate;
An upper roller rotatably installed at an end of an operating rod of the upper cylinder through an upper roller bracket; And
Upper guide means formed between the upper roller bracket and the upper slide plate to guide upward and downward movement of the upper roller;
The material guide device for a variable roll forming system. 14. The method of claim 13,
The upper guide means
An upper guide rod installed on both sides of the upper roller bracket in a downward direction; And
An upper guide block installed on both sides of a central portion of the upper slide plate and guiding the upper guide rod in a vertical direction;
And the material guide device for a variable roll forming system. The method according to claim 1,
The drive motor
And a step motor capable of controlling the number of revolutions and the direction of rotation. A material guide apparatus for a variable roll forming system,
A frame having both side guide posts connected to both sides of the upper beam and the lower beam and fixed to both lower sides of the variable roll forming unit in each step through the mounting plate;
A slide plate unit in which an upper slide plate and a lower slide plate connected to each other are installed on the both side guide posts so as to be slidable in a vertical direction;
Position adjusting means, arranged between the upper beam and the upper slide plate, for adjusting the vertical position of the slide plate unit;
A lower roller is rotatably installed at a front end of an operating rod of a lower cylinder installed at the center of the lower slide plate through a lower roller bracket and the lower roller is movable in a vertical direction by driving the lower cylinder A lower roller unit;
An upper roller is rotatably installed at an end of a working rod of an upper cylinder installed downward at the center of the upper slide plate through a upper roller bracket and the upper roller is movable in a vertical direction by driving the upper cylinder An upper roller unit; And
A driving motor provided at one side of the upper roller bracket of the upper roller unit for transmitting rotational driving force to the upper roller;
And a control unit for controlling the feed rollers. 17. The method of claim 16,
The frame
Wherein the upper beam and the lower beam are spaced apart from each other by a predetermined distance so that both side beams form a square by connecting both ends of the upper beam and the lower beam vertically. 17. The method of claim 16,
The slide plate unit
The upper slide plate and the lower slide plate are connected to each other through the two side connecting plates to form a rectangular shape and are slidably movable in the up and down direction on the both side guide posts through a post housing formed on both sides of the upper and lower slide plates Material guide for variable roll forming systems. 17. The method of claim 16,
The position adjusting means
A screw housing installed at the center of the upper beam;
A bearing block formed on an upper side of a center portion of the upper slide plate; And
A screw rod having a lower end rotatably supported on the bearing block in a state that the screw housing is screwed into the screw housing,
And a guide member for guiding the workpiece. 17. The method of claim 16,
The lower roller unit
And a lower guide means, which is provided between the lower roller bracket and the lower slide plate, for guiding upward and downward movement of the lower roller. 21. The method of claim 20,
The lower guide means
A lower guide rod installed upward on both sides of the lower roller bracket; And
A lower guide block installed on both sides of the center of the lower slide plate and guiding the lower guide rod in the vertical direction;
And the material guide device for a variable roll forming system. 17. The method of claim 16,
The upper roller unit
And upper guide means formed between the upper roller bracket and the upper slide plate for guiding upward and downward movement of the upper roller. 23. The method of claim 22,
The upper guide means
An upper guide rod installed on both sides of the upper roller bracket in a downward direction; And
An upper guide block installed on both sides of a central portion of the upper slide plate and guiding the upper guide rod in a vertical direction;
And the material guide device for a variable roll forming system. 17. The method of claim 16,
The drive motor
And a step motor capable of controlling the number of revolutions and the direction of rotation.

Images