KR102614926B1 - Sheet Metal Bending Device - Google Patents

Abstract

The present invention relates to a steel plate bending device implemented to efficiently bend a plate-shaped steel plate, which is a flat workpiece. The device has a hollow box shape and forms an opening at the front end so that the steel plate can be seated. housing; A bending jig connected to the front opening of the device housing to enable sliding movement in the vertical direction; a bending mold that is detachably installed on the bending jig, moves downward as the bending jig moves downward, and bends the steel plate seated in the opening of the device housing; and a seating portion that faces the bending jig and is detachably installed at the bottom of the front opening of the device housing, on which the steel plate to be bent by the bending jig is seated.

Description

Sheet Metal Bending Device

The present invention relates to a steel plate bending device, and more specifically, to a steel plate bending device implemented to efficiently bend a steel plate, which is a flat workpiece.

In general, in order to bend a steel plate into a desired shape, a bending mold setting device must be installed on the sinker portion of the bending machine so that the bending mold can be detachably attached.

In the conventional bending mold setting device, a flat block with a coupling hole formed in the center is fastened with a bolt to the front top of the main block, the upper surface of which is inclined to one side and a plurality of fastening holes are formed on the front, and the flat block is seated on the inclined upper surface of the main block. A tapered key is connected using a bolt as a joint hole of a flat block, and a bending mold setting device is constructed by fastening a clamper with a bolt so that the bending mold can be clamped and installed on the lower side of the main block.

After attaching this bending mold setting device to the bottom of the sinker of the bending machine, fix it by clamping the top of the flat block coupled to the main block to the sinker using a clamper, then operate the bending machine and attach the bolt to the main block. The bending mold mounted by the clamper is moved up and down to bend the steel plate.

Meanwhile, the above-mentioned background technology is technical information that the inventor possessed for deriving the present invention or acquired in the process of deriving the present invention, and cannot necessarily be said to be known technology disclosed to the general public before filing the application for the present invention. .

Korean Patent No. 10-1975170 (announced on August 23, 2019) Korean Patent No. 10-1912909 (announced on December 28, 2018)

One aspect of the present invention provides a steel plate bending device that can efficiently bend a steel plate, which is a flat workpiece.

The technical problem of the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

A steel plate bending device according to an embodiment of the present invention includes a device housing that has a hollow box shape and forms an opening at the front end so that a steel plate, which is a workpiece, can be seated; A bending jig connected to the front opening of the device housing to enable sliding movement in the vertical direction; a bending mold that is detachably installed on the bending jig, moves downward as the bending jig moves downward, and bends the steel plate seated in the opening of the device housing; and a seating portion that faces the bending jig and is detachably installed at the bottom of the front opening of the device housing, on which the steel plate to be bent by the bending jig is seated.

In one embodiment, the seating portion includes a fitting groove extending along the bottom of the front opening of the device housing; a fitting block installed by fitting into the fitting groove and onto which the steel plate to be bent by the bending jig is seated; and a bending groove extending along the upper side of the fitting block to induce bending of the steel plate seated on the fitting block as the lower end of the bending mold is engaged and bonded.

In one embodiment, the bending jig includes a main block installed to enable sliding movement in the vertical direction at the front opening of the device housing; and a clamper installed to cover the front end of the main block on which the bending mold is seated to fasten the bending mold.

In one embodiment, the steel plate bending device according to another embodiment of the present invention may further include a steel plate delivery device that is installed in front of the device housing and automatically delivers the steel plate to the device housing.

In one embodiment, the steel plate transfer device includes a transfer shelf installed up to the front end of the device housing and on which the steel plate is seated at the top; a plurality of shelf supports that raise the delivery shelf from the floor and support it at a distance from the floor; It is repeatedly installed in rows along the upper side of the transfer shelf in the front-to-back longitudinal direction and the left and right width directions of the transfer shelf, and the steel plate mounted on the transfer shelf is moved forward in the direction of the device housing in response to the direction in which it is rotated. Multiple rotating balls that are aligned horizontally to the left and right; and a ball driving device installed inside the transfer shelf to rotate the plurality of rotating balls.

In one embodiment, the ball driving device includes an inner chamber hollowly formed inside the transfer shelf so that each lower end of the plurality of rotating balls is exposed upward; It is installed in the inner space of the inner chamber, and the upper outward surface is disposed in close contact with each lower end of the rotating ball exposed to the upper side of the inner chamber. As the rotating ball is driven, the rotating ball is driven to rotate by the rotating ball. A drive belt that moves the supported steel plate forward in the direction of the device housing, or rotates the rotating ball as it moves horizontally in the left and right horizontal directions, thereby moving the steel plate supported by the rotating ball in the left and right horizontal directions; Two belt horizontal movement actuators that support each drive shaft at the front and rear ends of the drive belt and simultaneously move the drive belt horizontally in the left and right horizontal directions as it expands or contracts in the left and right horizontal directions; a belt support plate disposed inside the drive belt and supporting an upper inward surface of the drive belt; and a plurality of support balls that are rotatably connected and installed along the upper side of the belt support plate in the same arrangement as the rotating balls to engage the upper side of the drive belt with the rotating balls.

In one embodiment, when the drive belt is moved horizontally in the left and right horizontal directions, the belt horizontal movement actuator returns the drive belt to its initial position before the next process is performed and prepares for the next fixation.

In one embodiment, the rotating ball may be installed on the transfer shelf by a ball support unit.

In one embodiment, the ball support portion is formed in the form of a square plate and is disposed in a plate seating hole that communicates from the top of the transfer shelf to the inner chamber, and the upper and lower sides of the rotating ball are in the air and the inner chamber. A mounting plate installed connected to the middle so as to be exposed and rotatable at the same time; Plate support wings protruding from each of four sides of the mounting plate; four wing seating grooves formed on each side of the plate seating hole so that the plate support wings can each be seated and slide in an up and down direction; an upper support spring installed on the upper side of the wing seating groove to support the upper side of the plate support wing seated in the wing seating groove; and a lower support spring installed below the wing seating groove to support the lower side of the plate support wing seated in the wing seating groove.

According to one aspect of the present invention described above, a steel plate, which is a flat workpiece, can be efficiently bent.

The effects of the present invention are not limited to the effects mentioned above, and various effects may be included within the scope apparent to those skilled in the art from the contents described below.

1 is a diagram illustrating a schematic configuration of a steel plate bending device according to an embodiment of the present invention.
Figure 2 is a diagram showing the bending jig and seating portion of Figure 1.
Figure 3 is a diagram showing a schematic configuration of a steel plate bending device according to another embodiment of the present invention.
Figures 4 and 5 are diagrams showing the ball driving device of Figure 3.
Figures 6 and 7 are views showing a ball support unit according to the present invention.

The detailed description of the present invention described below refers to the accompanying drawings, which show by way of example specific embodiments in which the present invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the invention are different from one another but are not necessarily mutually exclusive. For example, specific shapes, structures and characteristics described herein may be implemented in one embodiment without departing from the spirit and scope of the invention. Additionally, it should be understood that the location or arrangement of individual components within each disclosed embodiment may be changed without departing from the spirit and scope of the invention. Accordingly, the detailed description that follows is not intended to be taken in a limiting sense, and the scope of the invention is limited only by the appended claims, together with all equivalents to what those claims assert, if properly described. Similar reference numbers in the drawings refer to identical or similar functions across various aspects.

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

1 is a diagram illustrating a schematic configuration of a steel plate bending device according to an embodiment of the present invention.

Referring to FIG. 1, a steel plate bending device 10 according to an embodiment of the present invention includes an device housing 100, a bending jig 200, a bending mold 300, and a seating portion 400.

The device housing 100 is made in the shape of a hollow box, forms an opening (S) at the front end so that the steel plate (P), which is a workpiece, can be seated, and includes a bending jig (200), a bending mold (300), and a seat. Components such as unit 400 are installed.

In one embodiment, the device housing 100 may form a space for the front opening S of a sufficient size for the bending mold 300 to be installed in the bending jig 200 .

The bending jig 200 is installed and connected to the front opening S of the device housing 100 to enable sliding movement in the vertical direction and lifts and drives the bending mold 300 in the vertical direction.

The bending mold 300 is installed to be detachable from the bending jig 200, and moves downward as the bending jig 200 moves downward, forming a steel plate (P) that is seated in the opening (S) of the device housing 100. bends.

Here, the bending mold 300 may be manufactured in a long shape in the vertical direction so as to bend the steel plate P manufactured in various sizes or shapes.

The seating portion 400 is installed to be detachable at the bottom of the front opening S of the device housing 100 while opposing the bending jig 200, and the steel plate P to be bent by the bending jig 200 is seated thereon. do.

The steel plate bending device 10 according to an embodiment of the present invention having the above-described configuration can efficiently bend a steel plate, which is a flat workpiece.

Figure 2 is a diagram showing the seating portion of Figure 1.

Referring to FIG. 2, the seating portion 400 includes a fitting groove 410, a fitting block 420, and a bending groove 430.

The fitting groove 410 extends along the bottom of the front opening S of the device housing 100 so that the lower end of the fitting block 420 can be fitted into it.

The fitting block 420 is installed by fitting into the fitting groove 410, and the steel plate P to be bent by the bending jig 200 is seated thereon.

The bending groove 430 extends along the upper side of the fitting block 420 to induce bending of the steel plate P seated on the fitting block as the lower end of the bending mold 300 engages and adheres.

Referring to FIG. 2, the bending jig 200 includes a main block 210 and a clamper 220.

The main block 210 is installed to enable sliding movement in the vertical direction at the front opening S of the device housing 100.

The clamper 220 covers the front end of the main block 210 on which the bending mold 300 is seated and is installed by bolting or the like to fasten the bending mold 300.

Figure 3 is a diagram showing a schematic configuration of a steel plate bending device according to another embodiment of the present invention.

Referring to FIG. 3, the steel plate bending device 20 according to another embodiment of the present invention includes a device housing 100, a bending jig 200, a bending mold 300, a seating portion 400, and a steel plate delivery device ( 600).

Here, since the device housing 100, bending jig 200, bending mold 300, and seating unit 400 are the same as the components in FIG. 1, their description will be omitted to avoid duplication of explanation.

The steel plate delivery device 600 is installed in front of the device housing 100 and automatically delivers the steel plate P to the device housing 100.

In one embodiment, the steel plate transfer device 600 may include a transfer shelf 610, a plurality of shelf supports 620, a plurality of rotating balls 630, and a ball driving device 640.

The transmission shelf 610 is installed up to the front end of the device housing 100, has a steel plate (P) mounted on the top, and includes a plurality of shelf supports 620, a plurality of rotating balls 630, and a ball drive device 640. Configurations such as these are installed.

The plurality of shelf supports 620 raise the delivery shelf 610 from the floor and support it at a distance.

A plurality of rotating balls 630 are repeatedly installed in rows along the upper side of the transfer shelf 610 in the front-to-back longitudinal direction and the left and right width directions of the transfer shelf 610, and are rotated by the ball drive device 640. In response to the direction, the steel plate (P) mounted on the transfer shelf 610 is moved forward in the direction of the device housing 100 or aligned in the left and right horizontal directions.

In one embodiment, the rotating ball 630 may be installed on the transfer shelf 610 by the ball support 700 as shown in FIG. 6.

The ball driving device 640 is installed inside the transfer shelf 610 and drives a plurality of rotating balls 630 to rotate in the same direction at the same time.

The steel plate bending device 20 according to another embodiment of the present invention having the above-described configuration enables automatic transfer and precise alignment of the heavy steel plate P without the need for the operator to manually move it. , it can improve the worker's work convenience and also improve work efficiency.

Figures 4 and 5 are diagrams showing the ball driving device of Figure 3.

4 and 5, the ball drive device 640 includes an inner chamber 641, a drive belt 642, a two-belt horizontal movement actuator 643, a belt support plate 644, and a plurality of support balls. Includes (645).

The inner chamber 641 is formed hollow inside the transfer shelf 610 so that each lower end of the plurality of rotating balls 630 can be exposed upward.

The drive belt 642 is installed in the inner space of the inner chamber 641, and is disposed in close contact with each lower end of the rotating ball 630, the upper outward surface of which is exposed to the upper side of the inner chamber 641, and is driven to rotate. Accordingly, the rotating ball 630 is driven to move the steel plate (P) supported by the rotating ball 630 forward in the direction of the device housing 100, or the two belt horizontal movement actuators 643 move it in the left and right horizontal directions. As it moves horizontally, the rotating ball 630 is driven to rotate, thereby moving the steel plate P supported by the rotating ball 630 in the left and right horizontal directions.

The two belt horizontal movement actuators 643 support each drive shaft at the front and rear ends of the drive belt 642 and simultaneously move the drive belt 642 horizontally in the left and right horizontal directions as it expands or contracts in the left and right horizontal directions.

In one embodiment, the belt horizontal movement actuator 643 returns the drive belt 642 to its initial position before the next process is performed when the drive belt 642 is moved horizontally in the left and right horizontal directions, and then fixes the next process. You can prepare.

The belt support plate 644 is disposed inside the drive belt 642 and supports the upper inward surface of the drive belt 642.

The plurality of support balls 645 are installed rotatably along the upper side of the belt support plate 644 in the same arrangement as the rotating balls 630 and engage the upper side of the drive belt 642 together with the rotating balls 630. It is bitten and installed.

The ball driving device 640 having the above-described configuration is installed in engagement with the rotary ball 630 on the inside of the transfer shelf 610 and rotates the rotary ball 630 in multiple axes, thereby forming the steel plate (P). Forward movement and left/right alignment can be achieved.

Figures 6 and 7 are views showing a ball support unit according to the present invention.

6 and 7, the ball support unit 700 includes a mounting plate 710, a plate support wing 720, four wing seating grooves 730, an upper support spring 740, and a lower support spring 750. ) includes.

The mounting plate 710 is formed in the form of a square plate and is supported and disposed by the plate support wing 720 in the plate mounting hole 611 that communicates from the top of the transfer shelf 610 to the inner chamber 641, The upper and lower sides of the rotating ball 630 are exposed to the air and the inner chamber 641 and are connected to the middle so that they can rotate.

The plate support wing 720 is formed to protrude from each of the four sides of the mounting plate 710, is seated in the wing seating groove 730, and is then supported by the upper support spring 740 and the lower support spring 750.

Four wing seating grooves 730 are formed on each side of the plate seating hole 611 so that the plate support wings 720 can each be seated and slide in the up and down direction.

The upper support spring 740 is installed on the upper side of the wing seating groove 730 and supports the upper side of the plate support wing 720 seated in the wing seating groove 730.

The lower support spring 750 is installed below the wing seating groove 730 and supports the lower side of the plate support wing 720 seated in the wing seating groove 730.

Since the ball support unit 700 having the above-described configuration can be equally applied to other support units 800 supporting the support ball 645, the description will be omitted to avoid duplication of explanation.

The ball support unit 700 having the above-described configuration not only enables smooth movement of the steel plate (P) by cushioning vibration or shock that may occur during the movement of the steel plate (P), Noise that may be generated during the movement of the steel plate (P) can also be reduced.

The above-described embodiments are for illustrative purposes, and those skilled in the art will recognize that the above-described embodiments can be easily modified into other specific forms without changing the technical idea or essential features of the above-described embodiments. You will understand. Therefore, the above-described embodiments should be understood in all respects as illustrative and not restrictive. For example, each component described as unitary may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope sought to be protected through this specification is indicated by the patent claims described later rather than the detailed description above, and should be interpreted to include the meaning and scope of the claims and all changes or modified forms derived from the equivalent concept. .

10, 20: Steel plate bending device
100: device housing
200: Bending jig
300: bending mold
400: Seating part

Claims (10)

A device housing that has a hollow box shape and forms an opening at the front end so that the steel plate, which is a workpiece, can be seated;
A bending jig connected to the front opening of the device housing to enable sliding movement in the vertical direction;
a bending mold that is detachably installed on the bending jig, moves downward as the bending jig moves downward, and bends the steel plate seated in the opening of the device housing; and
It includes a seating portion that faces the bending jig and is detachably installed at the bottom of the front opening of the device housing, on which the steel plate to be bent by the bending jig is seated,
It further includes a steel plate delivery device installed in front of the device housing to automatically deliver a steel plate to the device housing,
The iron plate delivery device,
A transmission shelf installed up to the front end of the device housing and having a steel plate mounted on the top;
a plurality of shelf supports that raise the delivery shelf from the floor and support it at a distance from the floor;
It is repeatedly installed in rows along the upper side of the transfer shelf in the front-to-back longitudinal direction and the left and right width directions of the transfer shelf, and the steel plate mounted on the transfer shelf is moved forward in the direction of the device housing in response to the direction in which it is rotated. Multiple rotating balls that are aligned horizontally to the left and right; and
It includes a ball driving device installed inside the delivery shelf to rotate and drive the plurality of rotating balls,
The ball driving device,
an inner chamber formed hollow inside the delivery shelf so that each lower end of the plurality of rotating balls can be exposed upward;
It is installed in the inner space of the inner chamber, and the upper outward surface is disposed in close contact with each lower end of the rotating ball exposed to the upper side of the inner chamber. As the rotating ball is driven, the rotating ball is driven to rotate by the rotating ball. A drive belt that moves the supported steel plate forward in the direction of the device housing, or rotates the rotating ball as it moves horizontally in the left and right horizontal directions, thereby moving the steel plate supported by the rotating ball in the left and right horizontal directions;
Two belt horizontal movement actuators that support each drive shaft at the front and rear ends of the drive belt and simultaneously move the drive belt horizontally in the left and right horizontal directions as it expands or contracts in the left and right horizontal directions;
a belt support plate disposed inside the drive belt and supporting an upper inward surface of the drive belt; and
A steel plate bending device including; a plurality of support balls that are rotatably connected and installed along the upper side of the belt support plate in the same arrangement as the rotating balls and are installed to engage the upper side of the driving belt with the rotating balls.
According to paragraph 1,
The seating part,
a fitting groove extending along the bottom of the front opening of the device housing;
a fitting block installed in the fitting groove by fitting and on which the steel plate to be bent by the bending jig is seated; and
A bending groove extending along the upper side of the fitting block to induce bending of the steel plate seated on the fitting block as the lower end of the bending mold is engaged and bonded.
According to paragraph 1,
The bending jig is,
a main block installed to enable sliding movement in the up and down direction at the front opening of the device housing; and
A clamper that covers the front end of the main block on which the bending mold is seated and fastens the bending mold.
According to paragraph 1,
The belt horizontal movement actuator,
A steel plate bending device that returns the drive belt to its initial position before the next process is performed when the drive belt is moved horizontally in the left and right horizontal directions and then prepares for the next fixation.
According to paragraph 1,
The rotating ball is,
A steel plate bending device installed on the delivery shelf by a ball support.
According to clause 5,
The ball support part,
A mounting plate formed in the form of a square plate, placed in the plate seating hole, and connected to the rotary ball so that it can rotate;
at least one plate support wing protruding from one side of the mounting plate;
at least one wing seating groove formed on one side of the plate seating hole so that the plate support wing is seated and can slide in an up and down direction;
an upper support spring installed in the wing seating groove to support the plate support wing seated in the wing seating groove; and
A bottom support spring installed in the wing seating groove to support the plate support wing seated in the wing seating groove. A steel plate bending device comprising a.
According to clause 6,
The mounting plate is,
It is disposed in the plate seating hole that communicates from the top of the delivery shelf to the inner chamber, and the upper and lower sides of the rotating ball are exposed to the air and the inner chamber and are connected to the middle so that they can rotate,
The plate support wings are,
It is formed to protrude on each of the four sides of the mounting plate,
The wing seating groove is,
The plate support wings are formed on each of four sides of the plate seating hole so that they can each be seated and slide in the up and down directions,
The upper support spring is,
It is installed on the upper side of the wing seating groove and supports the upper side of the plate support wing seated in the wing seating groove,
The bottom support spring is,
A steel plate bending device that is installed below the wing seating groove and supports the lower side of the plate support wing seated in the wing seating groove. delete delete delete