KR101845727B1 - Roller banding device - Google Patents

Abstract

The present invention relates to a roller bending device. The roller bending device includes: a roller operation side installation plate (10) vertically ascending and descending; a fixed side installation plate (20) installed on the lower side of the roller operation side installation plate (10) and supporting multiple component lower ends; a forming holder member (22) formed to be long in front and rear directions, wherein a material (P) which is not processed yet is placed on the upper surface of the forming holder member (22); a forming roller (50) individually installed to rotate on both sides of the upper part of the forming holder member (22), wherein the forming roller (50) is formed in a cylindrical shape; and a bending unit (37) individually fixed to both ends of the forming roller (50) and supporting the forming roller (50) to rotate, wherein the bending unit (37) moves the forming roller (50) in a direction of corresponding to a circular arc shape of the forming holder member (22). According to the present invention, the roller bending device can minimize a processing failure generated during a bending process by preventing a scratch and damage generated on the surface of the material while the material is processed by being bent as the roller bending device performs the bending process by compressing the forming roller which can be rotated while the material not processed yet is placed on a forming holder of the circular arc shape.

Description

Roller banding device

The present invention relates to a roller bending apparatus, in which a rotatable forming roller is pressed against an outer surface of a blank before a blank is placed on a cylindrical holder, and a bending process is performed on a surface of the blank And a roller bending device capable of preventing breakage.

Generally, a press is a type of mechanization of forging as a principle of pressing with a momentary force by using plasticity and softness of metal, and is widely used in industrial fields today.

Particularly, in a pressing process for forming a curved surface on a flat plate-like material, a plate-like material is put into a press mold made of an upper mold and a lower mold, and a curved punch installed inside the upper mold presses the material, .

The above-described banding press apparatus is disclosed in Korean Patent Publication No. 10-1513442.

The conventional banding press apparatus includes a punch for pressing one surface of a material, left and right bending rollers which are respectively rotated while being slid in both side end directions from the center of the other surface of the material by pressing of the punch to bend the material, A die member having a guide rail for guiding the sliding of the bending roller, and an elastic member for elastically supporting the sliding of the both side bending rollers.

However, in the conventional banding press apparatus, as the punch for pressing the upper surface of the work is rubbed against the work surface of the work, there is a problem that scratches and breakage may occur due to punching on the work surface.

In addition, a banding roller for supporting the lower end of the material is provided so as to be movable from side to side, so that the lower end of the material can not be firmly supported during the bending process, thereby lowering the accuracy of the banding process.

Korean Patent Publication No. 10-1513442

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and an object of the present invention is to solve the problems of the prior art as described above, The present invention provides a roller banding device capable of preventing scratches and breakage on the surface of a material during bending processing.

According to an aspect of the present invention, there is provided a roller banding apparatus comprising:

The roller bending apparatus according to the present invention has the following effects.

Since the rotatable forming roller is pressed and banded in a state in which the workpiece is placed on an arc-shaped molding holder before machining, scratches and breakage occurring on the outer surface of the workpiece during bending can be prevented, There is an advantage that the machining failure can be minimized.

Further, during the bending process of the material before the processing, the upper surface fixing clamp performs the bending processing in a state in which the upper surface of the workpiece is firmly gripped before the processing, thereby preventing defects caused by shaking of the workpiece, There is an effect that can be.

Fig. 1 is a front view showing a shape of a material before machining and a material after machining; Fig.
2 is a front sectional view showing a configuration of a preferred embodiment of the roller bending apparatus according to the present invention.
3 is a side cross-sectional view showing a configuration of a preferred embodiment of the roller bending apparatus according to the present invention.
Fig. 4 is a plan view showing the configuration of the mounting plate on the east side of the rollers constituting the embodiment of the present invention. Fig.
5 is a plan view showing a configuration of a stationary side mounting plate constituting an embodiment of the present invention.
6 is a front sectional view showing a state in which the forming rollers constituting the embodiment of the present invention are moved in the downward direction so that the upper surface of the material is bent in an arc shape and both side surfaces thereof are machined into a shape inclined downward by a predetermined angle.
Fig. 7 is a front view showing a state in which a material is seated on a molding holder that constitutes an embodiment of the present invention; Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of a roller bending apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a front view showing the shapes of the blank before and after the blank. 1, the pre-machining workpiece P is made of a plate material having a predetermined thickness, and has a central portion C projecting in an arc shape at the center and a central portion C extending in a downwardly inclined direction at a predetermined angle to both sides of the central portion C. And a side portion S.

The pre-machining workpiece P is put into a roller bending machine to be described later, and is subjected to a bending process in the form of a workpiece W having a case shape having a cross section of "∩" shape as shown in Fig.

That is, the shaping roller 50, which will be described later, is pressed along the both sides of the central upper surface of the pre-machining workpiece P to press the pre-machining workpiece P and bend the workpiece W in an arc- , And the side portion (S) bends vertically downwardly.

FIG. 2 is a front sectional view showing a configuration of a preferred embodiment of the roller bending apparatus according to the present invention. FIG. 3 is a side sectional view showing the configuration of a preferred embodiment of the roller bending apparatus according to the present invention, Fig. 5 is a plan view showing the configuration of the fixed side mounting plate constituting the embodiment of the present invention, and Fig. 6 is a plan view showing the configuration of the stationary side mounting plate constituting the embodiment of the present invention. Sectional view showing a state in which the forming rollers constituting the embodiment of the present invention are moved in the downward direction so that the upper surface of the work is bent into an arc shape and the both side surfaces are machined into a shape inclined by a predetermined angle in the downward direction, 7 is a front view showing a state in which a work is placed on a molding holder that constitutes an embodiment of the present invention.

2 to 7, the roller bending apparatus according to the present invention comprises a rectangular plate member, a plurality of parts are provided on a lower surface thereof, a roller which is vertically moved up and down includes an east side mounting plate 10, A stationary side mounting plate 20 which is installed on the lower side of the east side mounting plate 10 and which is made of a rectangular plate and supports the lower ends of a plurality of parts, (22) having an upper portion formed in a cylindrical shape and extending forwardly and backwardly and having an upper surface on which a pre-machining workpiece (P) is placed, and a forming and mounting member (22) rotatably installed on both sides of the upper portion of the forming and mounting member A shaping roller 50 which is formed in a cylindrical shape and presses the upper surface of the pre-machining material P seated on the forming and fixing member 22 and bends and forms the upper surface of the pre-machining material P in the form of a work W after the machining, ), And the forming roller 50 is rotated And a banding forming means (37) for supporting the forming roller (50) in a direction corresponding to the circular arc shape of the forming and fixing member (22).

The roller side mounting plate 10 is made of a rectangular plate having a predetermined thickness and is spaced apart from the bottom surface by a predetermined distance. The roller side mounting plate 10 is a portion where a plurality of parts are installed and supported on the lower surface.

The movable side holder 12 is provided on the upper surface of the mounting plate 10 on the side of the roller as shown in Fig. The movable side holder 12 is made of a rectangular plate, and the roller is fixed to the upper surface of the east side mounting plate 10, and a large number of parts are installed and fixed therein.

On the upper surface of the movable side holder (12), a lifting plate (14) is provided. The lifting plate 14 is formed of a rectangular plate and fixed to the movable side holder 12 and connected to a shank so that the roller moves the side mounting plate 10 up and down.

A gas spring 16 is installed inside the movable side holder 12. The gas spring 16 is a general gas spring, and a detailed description thereof will be omitted. A plurality of gas springs (16) are provided at a predetermined interval in the center of the movable side holder (12), and the rollers protrude downward from the movable side mounting plate (10). The lower end of the gas spring 16 is connected to the upper surface fixing clamp 52, which will be described later. The gas spring 16 is fixed along the upper surface of the upper surface fixing clamp 52 to elastically support the upper surface fixing clamp 52 in the downward direction. When the upper surface fixing clamp 52 to be described later is brought into close contact with the upper surface of the pre-machining workpiece P, the gas spring 16 presses the upper surface fixing clamp 52 to be described later downward with a certain elastic pressure And to fix it.

That is, when the moving plate 10 is moved upward, the upper surface fixing clamp 52, which will be described later, moves the upper surface of the work W after machining with a certain elastic force The pressurized state is maintained to prevent deformation of the work W after processing.

The stationary side mounting plate 20 is provided below the east side mounting plate 10 of the roller. The stationary side mounting plate 20 is made of a rectangular plate having a predetermined thickness, and the roller is fixed to the lower side of the east side mounting plate 10. A plurality of parts are provided on the upper surface of the stationary side mounting plate 20 so as to be fixedly supported.

At the center upper end of the stationary side mounting plate 20, a molded mounting member 22 is provided. The molding and fixing member 22 includes a cradle 24 vertically installed at the center of the fixed side mounting plate 20 and having a rectangular parallelepiped shape and provided at the center of the fixed side mounting plate 20, A molded bending body 26 which is installed on the upper side of the cradle 24 and has a cylindrical shape and is long and long before and after the center portion C of the pre-processing material P is seated on the upper surface.

As shown in Fig. 7, the cradle 24 has a rectangular parallelepiped shape, and is long in the front and rear at the center of the fixed side mounting plate 20. The cradle 24 is fixed at the center of the fixed side mounting plate 20 and supports the molded bending body 26 to be positioned at a predetermined height.

A molding bending body 26 is provided on the upper side of the cradle 24. The molded bending body 26 has a substantially cylindrical shape and is formed long in the front and back. And is fixed to the upper surface of the cradle 24 of the molded bending body 26 to support the lower end of the central portion C of the pre-machined workpiece P on the upper surface.

The shaping bending body 26 has a cylindrical shape and supports the lower end of the central portion of the pre-machining workpiece P so that the central portion C of the pre-machining workpiece P during the bending process of the forming roller 50, To guide the forming roller 50 so as to be bent in an arc shape.

That is, as the forming roller 50, which will be described later, moves downward in an arcuate shape in a state where the pre-machining material P is seated on the upper surface of the forming bending body 26, Shape is formed.

On the front and rear sides of the cradle (24), a cradle support block (28) is provided. As shown in Fig. 7, the cradle support block 28 is formed in the shape of a block, having a cross section of an "I" shape. The cradle support block 28 is vertically installed at the center of the fixed side mounting plate 20. The cradle 24 is fixed to the upper portion of the cradle support block 28 to support the cradle 24.

A side receiving groove 30 is formed at the center of the cradle support block 28. As shown in FIG. 7, the side portion receiving grooves 30 are formed at the center of the cradle support block 28 so as to be inclined downward at a predetermined angle. Are formed on both sides of the center of the cradle support block 28 of the side portion receiving groove 30 and form a space for introducing the side portion S into the interior of the pre-processing material P during the bending process.

On the front and rear sides of the molding and fixing member 22, a roller guide block 32 is provided. The roller guide block 32 is formed of a plate material having a predetermined thickness and is formed in the same shape as the forming and fixing member 22. The roller guide block 32 is provided on the front and rear sides of the cradle support block 28 so that the roller guide block 32 contacts the forming roller when the forming roller 50 is moved downward, .

A material release prevention block 34 is provided above the roller guide block 32. As shown in FIG. 3, the material release prevention block 34 is formed in a block shape having a cross section and is fixed to the center of the upper surface of the roller guide block 32. The material release prevention block 34 fixes both side surfaces of the pre-machining workpiece P projected toward the forming and fixing member 22 and seated on the forming and mounting member 22.

On both sides of the molding and fixing member 22, end holders 35 are provided. As shown in FIG. 2, the end holder 35 has a "L" shape in cross section and is formed in a block shape, and is disposed at a predetermined distance on both sides of the molding holder 22.

As shown in FIG. 5, the end holders 35 are spaced upward and downward with a predetermined spacing with respect to the forming stationary member 22, respectively, to support both side surfaces of the end portion of the pre-machining workpiece P, respectively.

A mounting protrusion 36 is formed on a side surface of the end holder 35. The mounting projection 36 is protruded on the side upper end and the upper face is inclined downward by a predetermined angle to support both ends of the pre-machining workpiece P, and both ends of the pre- So as to be bent toward the center side of the member (22).

On the upper side of the molding and fixing member 22, a banding forming means 37 is provided. The bending forming means 37 includes a roller supporting block 37 formed of a rectangular plate and having both ends of the forming roller 50 rotatably fixed, The upper end of the roller supporting block 38 is fixed to the upper end of the sliding hole 42 and the upper end of the roller supporting block 38 is fixed to the upper end of the roller supporting block 38, A roller sliding rail 40 slidably mounted on both sides of the movable mounting plate 10 so as to be slidable in the left and right direction and an elastic member supporting block 44 The elastic supporting member 44 is fixed to one side of the roller supporting block 38 and the other end of the roller supporting block 38 is fixed to the roller supporting block 38. The elastic supporting member 44 is fixed to the elastic supporting block 44, An elastic member 48 for elastically supporting the block 38 toward the molding and fixing member 22 side Lt; / RTI >

The roller supporting block 38 is formed of a rectangular plate material, and the rollers are installed on both sides of the center of the east side mounting plate 10, respectively. The roller supporting block 38 is installed on the front and rear sides of the lower surface of the east side mounting plate 10, respectively. Both ends of a forming roller 50 to be described later are respectively rotatably fixed to the side surfaces of the roller supporting block 38. The roller is supported by the forming roller 50, Up and down movement of the wafer W is carried out.

That is, in a state in which both ends of a forming roller 50 (to be described later) are rotatably fixed to the side surfaces of the roller supporting block 38 provided on the front and rear sides of the east side mounting plate 10, (10) is moved up and down to press the outer surface of the pre-machining workpiece (P) to bend the pre-machining workpiece (P) in the shape of the work (W) after machining.

A roller sliding rail (40) is provided at the upper end of the roller supporting block (38). The roller sliding rail 40 is a general rail, and a detailed description thereof will be omitted. In the interior of the roller sliding rail 40, a sliding hole 42 penetrating right and left is formed. The upper end of the roller supporting block 38 is installed in the sliding hole 42 of the roller sliding rail 40 so as to be movable left and right so as to be movable in the right and left directions of the roller supporting block 38 along the roller sliding rail 40 Movement can be made.

On the side surface of the roller sliding rail 40, an elastic supporting block 44 is provided. The elastic supporting block 44 has a block shape and is disposed at a predetermined distance from the side surface of the roller sliding rail 40. The side surface of the elastic body supporting block 44 is formed with a cylindrical elastic depression groove 46 formed in a cylindrical shape, and the elastic member 48 to be described later is mounted.

An elastic member 48 is provided on a side surface of the elastic support block 44. The elastic member 48 is a general gas spring, and a detailed description thereof will be omitted. In addition to the gas spring, the elastic member 48 may include various components capable of elastically supporting the roller support block 38 in one direction. One end of the elastic member 48 is mounted to the elastic fixing groove 46 and the other end is fixed to the side surface of the roller supporting block 38. The elastic member (48) elastically supports the roller support block (38) toward the center of the mounting plate (10).

That is, the bending forming means 37 elastically presses the forming roller 50, which will be described later, toward the forming and fixing member 22 side when the roller supporting block 38 is moved downward, thereby changing the shape of the forming and fixing member 22 Accordingly, the bending of the material P before machining can be performed.

On the side surface of the roller supporting block 38, a forming roller 50 is provided. The forming roller 50 has a cylindrical shape, and is formed long in the front and back. 4, the upper and lower ends of the forming roller 50 are rotatably fixed to the roller supporting block 38 located above and below the mounting plate 10, respectively. 7, the forming roller 50 is rotated on the outer surface of the pre-machining material P and pressed at the same time as the pre-machining work P, (W).

That is, the shaping roller 50 rotates at the same time when the shaping roller 50 is pressed during the bending process of the unprocessed material P, thereby minimizing the breakage and damage of the processed workpiece W during bending process have.

The upper surface fixing clamp 52 is installed at the center of the lower surface of the east side mounting plate 10 with the roller. As shown in FIG. 2, the upper surface fixing clamp 52 has a rectangular parallelepiped block shape, and the rollers are installed longitudinally along the center of the lower surface of the mounting plate 10 on the east side. An upper pressing surface 54 corresponding to a central portion C of the pre-machining workpiece P is formed in a lower surface of the upper surface fixing clamp 52 in a circular arc shape. The upper surface fixing clamp 52 is brought into close contact with the central portion C of the pre-machining workpiece P that is seated on the molding mount member 22 when the roller is moved downward of the mounting plate 10 on the east side, And serves to firmly fix the material (P).

Hereinafter, the operation of the roller-type bending press apparatus according to the present invention will be described with reference to FIGS. 1 to 7. FIG.

First, the worker seats the center portion C of the pre-processing material P so as to be positioned on the upper surface of the molding and fixing member 22, and the both ends of the pre-processing material P are brought into close contact with the mounting projections of the end portion mounting base 35 .

When the fixing of the pre-processing material P to the forming and fixing member 22 is completed, the roller banding device is operated to move the mounting plate 10 on the east side in the downward direction.

7, when the rollers are moved downward, the upper surface fixing clamp 52 provided on the east side mounting plate 10 of the rollers moves in the central portion C of the pre-processing material P, So that the preformed workpiece P is fixed firmly to the molding and fixing member 22.

As the roller moves downward on the east side mounting plate 10 in a state where the pre-machining material P is fixed to the forming stationary member 22, the roller is moved to the left side on the east side mounting plate 10 The support block 38 is moved in the downward direction.

A forming roller 50 is rotatably installed on a side surface of the roller supporting block 38 and the forming roller 50 is moved in a direction of a downward movement of the roller supporting block 38 P, so that the pre-machining workpiece P is bent in the shape of the post-machining workpiece.

That is, the forming roller 50 is moved downward along the shape of the forming and fixing member 22 in a state in which the outer surface of the pre-forming material is closely adhered as the roller moves downward on the east side mounting plate 10, (P) is subjected to a bending process in the form of a work (W) after processing.

The roller bending apparatus as described above presses and rotates the forming roller 50 rotatable in a state in which the pre-processing material P is seated on the forming stationary member 22, so that the scratches generated on the surface of the material during the bending process And damage can be prevented, so that there is an advantage that defective banding can be minimized.

The banding forming means 37 for supporting the forming rollers is provided so as to be movable laterally as the rollers move downward on the moving plate on which the moving plate is mounted, Lt; / RTI >

The scope of the present invention is not limited to the above-described embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the scope of the present invention.

10. Rollers on the east mounting plate 20. Mounting on the fixed mounting plate
22. Mold holding member 24. Cradle
26. Molding bending body 37. Bending molding means
38. Roller support block 40. Roller slide rail
44. Elastic support block 46. Elastic member
50. Forming roller

Claims (5)

A plurality of parts are provided on a lower surface of the rectangular plate member, and a roller which is vertically moved up and down includes an east side mounting plate 10;
A fixing side mounting plate 20 which is installed on the lower side of the east side mounting plate 10 and which is made of a rectangular plate and supports the lower ends of a plurality of parts;
A molded mounting member 22 provided at the center of the upper surface of the fixed side mounting plate 20 and having an upper portion formed in a cylindrical shape and extending longitudinally and rearwardly and having a top surface on which an unprocessed workpiece P is placed;
The upper surface of the pre-machining workpiece P that is seated on the forming and mounting member 22 is pressurized so as to be rotatable on both sides of the upper portion of the forming and mounting member 22, A forming roller 50 for forming a sheet by a bending process;
The shaping roller 50 is fixed to both ends of the shaping roller 50 and rotatably supports the shaping roller 50. The shaping roller 50 is moved in a direction corresponding to the arc shape of the shaping member 22 (37);
The banding forming means (37)
A roller supporting block 38 formed of a rectangular plate and having both ends of the forming roller 50 rotatably fixed, respectively, before and after the center of the lower surface of the east side mounting plate 10;
The upper end of the roller support block 38 is slidable in the left and right directions relative to the sliding hole 42. The upper end of the roller support block 38 is fixed to the upper end of the roller support block 38, A roller sliding rail 40 which is installed to be rotatable;
An elastic supporting block 44 fixedly installed on both sides of the lower surface of the east side mounting plate 10 and having elastic fixing grooves 46 formed on the side surfaces thereof;
One end of the elastic member is fixed to the elastic supporting block 44 and the other end of the elastic supporting member is in close contact with the side surface of the roller supporting block 38, And a resilient member (48) elastically supporting the resilient member (22) toward the molding and fixing member (22) side. delete 2. The apparatus according to claim 1, wherein the molding and fixing member (22)
A mounting table (24) vertically installed at the center of the stationary mounting plate (20) and having a rectangular parallelepiped shape and being installed at the center of the stationary mounting plate (20)
And a forming banding body (26) provided on the upper side of the cradle (24) and formed in a cylindrical shape and extending long before and after the center portion (C) of the raw material (P) Device. The molding apparatus according to claim 1, wherein, on both sides of the molding and fixing member (22)
Side mounting plate 20 is provided at regular intervals on both sides of the fixed-side mounting plate 20 and has a block shape of an L-shaped cross section and is fixed to the upper surface of the fixed-side mounting plate 20 Wherein the roller bending device comprises: 5. The apparatus according to claim 4, wherein a side surface of the end holder (35)
The upper surface is formed to be inclined downward at a predetermined angle so as to support both ends of the pre-machining workpiece P, and both ends of the pre-machining workpiece P are formed Further comprising a mounting projection (36) for guiding the mounting member (22) to be bent to the center side of the mounting member (22).

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