KR101570871B1 - Chamfering device - Google Patents

Chamfering device Download PDF

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Publication number
KR101570871B1
KR101570871B1 KR1020150079163A KR20150079163A KR101570871B1 KR 101570871 B1 KR101570871 B1 KR 101570871B1 KR 1020150079163 A KR1020150079163 A KR 1020150079163A KR 20150079163 A KR20150079163 A KR 20150079163A KR 101570871 B1 KR101570871 B1 KR 101570871B1
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KR
South Korea
Prior art keywords
plate
chamfered
workpiece
moving
front side
Prior art date
Application number
KR1020150079163A
Other languages
Korean (ko)
Inventor
박주산
박호수
Original Assignee
(유)종합테크
박주산
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Application filed by (유)종합테크, 박주산 filed Critical (유)종합테크
Priority to KR1020150079163A priority Critical patent/KR101570871B1/en
Application granted granted Critical
Publication of KR101570871B1 publication Critical patent/KR101570871B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

[0001] The present invention relates to a chamfering device, in which a workpiece such as an iron plate does not move in a lateral direction during a process of chamfering corners of a workpiece such as an iron plate, so that the chamfered portion has uniform corners of the workpiece such as an iron plate There is an effect that it can be precisely chamfered.

Description

Chamfering device

In the present invention, there is no risk that the workpiece such as the iron plate moves in the lateral direction during the process of chamfering the corners of the workpiece such as the iron plate, so that the chamfered portion can uniformly and accurately chamfer the corners of the workpiece, To a chamfering device.

BACKGROUND OF THE INVENTION [0002] Generally, chamfering is a term of architecture and craft, which is used to cut corners of plates, plates and the like, and a chamfering machine having a chamfering edge for chamfering the corners of a workpiece such as an iron plate is used.
However, as the chamfer moves from one side of the face picker to the other side of the face picker while the edge of the workpiece such as an iron plate is faced, the workpiece such as the iron plate moves in the lateral direction There is a problem that the corners of the workpiece such as the iron plate can not be uniformly and precisely chamfered.

Korean Patent Laid-Open Publication No. 10-2004-0037357

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a method and apparatus for cutting a workpiece such as an iron plate during a process of chamfering a corner of a workpiece such as an iron plate, And to provide a chamfering device capable of uniformly and precisely chamfering the corners of the chamfered portion.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein, And a chamfered portion for chamfering a corner of the workpiece pressed by the pressurizing portion.

Here, the pressing portion includes a body on which the workpiece is seated; A pressing plate that is vertically movable in an upward direction of the workpiece placed on the upper portion of the body and presses the workpiece in a downward direction; And a lifting member provided on the pressing plate and lifting the pressing plate.

Particularly, the upper portion of the pressure plate is axially coupled to the lower side of the elevating member, and the pressure plate is inclined upward from the rear side of the pressure plate toward the front side of the pressure plate, so that the lower portion of the rear side of the pressure plate is in line contact with the rear- And a fixing member in contact with the upper portion of the front side of the workpiece is screwed to the front side of the pressure plate.

The chamfered portion includes a plate member; And a chamfered member which is provided on one side of the upper surface of the plate member and rotates in normal and reverse directions by a driving member and chamfers the edge of the workpiece pressed by the pressing portion.

Further, it is preferable that a base plate portion provided on the front side and the rear side of the pressing portion and the chamfered portion are provided, and a front, rear, left, and right movement portions for moving the chamfered portion in the front, rear, left, and right directions are provided on the rear side upper portion of the base plate portion.

Here, the front, rear, and left moving parts may include a front-rear moving member provided to be movable back and forth on an upper rear side of the base plate part; And a left and right moving member provided on the upper portion of the back and forth moving member so as to be movable left and right and having the chamfered portion on the upper portion.

A shaft member is formed on an upper portion of the front side of the left and right shifting member, and a rear side of the side mounting portion is moved up and down with respect to the front side of the side mounting portion to adjust the vertical angle of the side mounting portion. And an upper and lower angle adjusting unit for horizontally penetrating the front side of the left and right moving member and fixing the chamfered portion in a state where the upper and lower angles of the chamfered portions are adjusted on the upper side of the rear side of the left and right moving member.

Here, the vertical angle adjuster includes an angle regulating plate vertically formed on a rear upper side of the left and right shifting member and a rear upper side of the right and left shifting member, and having an arc-shaped guide slit formed thereon; An angle regulating plate on which an arc-shaped guide slit is formed in an upper portion; And a position fixing member composed of a fixing bolt horizontally passing through the guide slit of the angle regulating plate and one side of the face mounting portion and the other side of the face mounting portion, and a nut screwed to the fixing bolt.

A slit communicating with the receiving hole in the middle of the clamping portion is provided in the front-rear direction of the clamping portion in the middle of the clamping portion, and the clamping portion is formed at the other side of the chamfering portion, And a gap adjusting member for adjusting the gap between the slits is screwed on the front side of the clamping portion.

And an angle member moving left and right along the left and right shifting member in a state in which the one side of the upper side of the front side of the left and right shifting member and the other side of the upper side of the front side of the left and right shifting member are in contact with the rear side opposite to the front side of the processing member .

A sensing unit for sensing the left and right moving members on one side of the back and forth moving member and on the other side of the back and forth moving member; And a control unit for controlling the back and forth moving member and the left and right moving members according to a sensing signal of the sensing unit.

Particularly, the present invention is particularly effective in a case where a workpiece such as an iron plate is pressed downward in a state in which the lower portion of the rear side of the pressing plate of the pressing portion is in line contact with the upper side of the rear side of the workpiece such as an iron plate, There is no fear that the workpiece such as the iron plate moves in the left and right direction of the workpiece, and the chamfered portion can have an effect that the corners of the workpiece such as the iron plate can be uniformly and accurately chamfered.

1 is a perspective view schematically showing a chamfering device according to an embodiment of the present invention,
FIG. 2 is a perspective view schematically showing a state in which the chamfering device, which is one embodiment of the present invention, is viewed from the rear side,
Fig. 3 is a plan view of Fig. 1,
4 and 5 are perspective views schematically showing a process of pressing the workpiece by the pressing portion,
6 is a partial side view schematically showing a state in which the lower portion of the rear side of the pressure plate is in line contact with the upper portion of the rear side of the workpiece,
7 is a side view schematically showing a state in which the chamfered edge of the chamfered portion is chamfered at the edge of the workpiece,
Figs. 8 to 11 are plan views sequentially showing a process of moving the chamfered part forward, backward and leftward,
12 is a block diagram schematically showing a control state of the control unit,
13 and 14 are side views schematically showing the vertical angle adjusting portion,
15 is a side view schematically showing a change in the width of the chamfered portion of the workpiece,
16 is a side view schematically showing a change in angle of the chamfered portion of the workpiece,
17 is a partially enlarged side view schematically showing the clamping portion,
18 is a partially enlarged plan view schematically showing a state in which the angle member is in contact with the rear surface of the workpiece,
Fig. 19 is a perspective view schematically showing a workpiece where corner portions are chamfered. Fig.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. It is to be understood that the scope of the present invention is not limited to the following embodiments, and various modifications may be made by those skilled in the art without departing from the technical scope of the present invention.

FIG. 1 is a perspective view schematically showing a chamfering device according to an embodiment of the present invention. FIG. 2 is a perspective view schematically showing a state in which the chamfering device as one embodiment of the present invention is viewed from the rear side, and FIG. 3 is a plan view of FIG. 1 .

As shown in FIGS. 1 to 3, the chamfering device according to an embodiment of the present invention includes a pressing portion 10 and a chamfered portion 20.
First, the pressing portion 10 presses a rectangular work piece (3 in Fig. 4 and Fig. 5) such as an iron plate in the downward direction of the work 3.
Next, the chamfered portion 20 chamfers the edge of the workpiece 3 pressed by the pressing portion 10.
The chamfered portion 20 may chamfer the upper rear edge of the work 3 among the front upper corner, the lower front corner, the rear upper corner, and the rear lower corner of the work 3.

4 and 5 are perspective views schematically showing a process of pressing the workpiece by the pressing portion.

4 and 5, the pressing unit 10 may include a body 110, a pressure plate 120, and an elevating member 130. The pressing unit 10 may include a body 110, a pressing plate 120,
A support plate 111 having a predetermined length may be formed on the upper side of the body 110 and the upper side of the body 110 up and down with a predetermined length in the upper direction of the body 110.
A workpiece 3 such as an iron plate may be horizontally mounted on the upper portion of the body 110 so as to be positioned between the support plates 111. [
The presser plate 120 is vertically mounted on the upper portion of the workpiece 3 such as an iron plate horizontally placed on the upper portion of the body 110 so that the workpiece 3, And can be pressed downward.
The elevating member 130 may include one or more elevating cylinders provided on the pressing plate 120 in a state of being connected to the pressing plate 120 to elevate the pressing plate 120.
The elevating member 130 can be vertically installed in a fixed manner on the upper part of a fixing plate 112 horizontally fixed to the upper part of the supporting plate 111 of the body 110, .
The rod 131 of the lifting cylinder 130 constituting the lifting member 130 can vertically penetrate the fixing plate 112 and the pressing plate 120 can be connected to the lower side of the rod 131.
As the length of the rod 131 of the lifting cylinder 130 constituting the lifting member 130 is elongated by the control of the control unit to be described later, the lifting plate 130 can be lifted and lowered.

6 is a partial side view schematically showing a state in which the lower portion of the rear side of the pressure plate is in line contact with the upper portion of the rear side of the workpiece.

Particularly, the upper portion of the pressing plate 120 may be axially coupled to the lower side of the rod 131 of the lifting cylinder 130 constituting the lifting member 130.
As shown in FIGS. 4 and 5, one or two or more protruding pieces 121 protruding upward from the pressing plate 120 may be formed at an upper portion of the pressing plate 120 at regular intervals.
A fixing bracket 132 having a cross-sectional shape in which the projecting piece 121 is received inside is formed in a lower part of a rod 131 of the lifting cylinder 130 constituting the elevating member 130 .
When the elevating cylinder 130 and the protruding pieces 121 constituting the elevating member 130 are two or more in number, the two or more protruding pieces 121 may be fixed to two or more of the fixed And can be easily coupled to the inside of the bracket 132 so as to be rotatable in the forward and reverse directions.
In the state where two or more protruding pieces 121 are accommodated in two or more of the fixing brackets 132, one of the shaft members 140 is fixed to at least two of the two or more fixing brackets 132, And can horizontally penetrate the upper portions of the protruding pieces 121 in order.
As shown in FIGS. 4 to 6, one or more than two fixing members 122 may be screwed at predetermined intervals on the front side of the pressure plate 120.
The lower portion of the fixing member 122, which may be formed of a fixing bolt or the like, may be exposed to a predetermined length in the lower direction of the pressing plate 120, It can be brought into contact with the upper side of the front side of the workpiece 3.
The worker can rotate the fixing member 122, which can be made of a fixing bolt or the like, in the normal and reverse directions to move the front side of the pressing plate 120 up and down according to the thickness of the work 3 such as an iron plate. The pressure plate 120 can be inclined upwards from the rear side of the pressure plate 120 toward the front side of the pressure plate 120 as shown in FIG. It may be in line contact with the upper side of the rear side of the workpiece 3 such as an iron plate.
The rear lower portion of the pressure plate 120 is brought into line contact with the upper portion of the rear side of the workpiece 3 such as the steel plate so that the lower portion of the pressure plate 120 is brought into contact with the workpiece 3, So that the chamfered portion 20 is moved leftward and rightward from one side of the workpiece 3 such as an iron plate to the rear side of the workpiece 3 such as an iron plate, There is no possibility that the workpiece 3 is pushed in the left and right direction of the workpiece 3 during the process of chamfering the upper edge so that the chamfered portion 20 makes uniform the rear upper edge of the workpiece 3, And can be precisely chamfered.

7 is a side view schematically showing a state in which the chamfered edge of the chamfered portion faces the edge of the workpiece.

Next, as shown in FIGS. 1 to 3 and 7, the chamfered portion 20 may include a plate member 210 and a chamfered member 220.
One side of the plate member 210 and the other side of the plate member 210 may be vertically bent to a predetermined length in the upper direction of the plate member 210, respectively.
The chamfered member 220 may include a body 221, a rotation axis 222, a chamfered edge 223, and a driving member 224.
The main body 221 may be seated in a state of being fixed in various ways such as bolt fixing to one side of the upper part of the plate member 210.
The rotation shaft 222 may be axially coupled to the inside of the main body 221 so as to be rotatable in normal and reverse directions.
The chamfering blade 223 is coupled to the front side of the rotary shaft 222 and rotates in the forward and reverse directions along the rotary shaft 222 to press the workpiece 3 such as an iron plate, Can be chamfered.
The driving member 224 may be a driving motor or the like and may be fixed to the rear side of the main body 221 in a variety of ways such as bolt fixing in a state of being engaged with the rear side of the rotation shaft 222, And the rotation shaft 222 can be rotated in the forward and reverse directions under the control of the control unit.
Alternatively, as shown in FIGS. 1 to 3, the driving member 224 may be fixedly mounted on the other side of the upper portion of the plate member 210 in various manners such as bolt fixation, (Not shown).
The rotating force transmitting member 230 may be configured in various manners, for example, one rotating body 231 and another rotating body 232.
The one side rotating body 231 and the other side rotating body 232 may be gears coupled to the rear side of the rotating shaft 222 and the rear side opposite to the front side of the driving member 224, .
Alternatively, the rotational force transmitting member 230 may be constituted by one side rotating body 231, another side rotating body 232 and a winding member 233 as shown in FIGS. 1 to 3 as another example.
The one side rotating body 231 and the other side rotating body 232 may be formed of pulleys or gears respectively coupled to the rear side of the rotating shaft 222 and the rear side opposite to the front side of the driving member 224,
The hoisting member 233 may be formed of a belt having one side and the other side wound around the one side rotating body 231 and the other side turning body 232, which may be made of pulleys, a timing belt, And a chain in which one side and the other side are wound around the whole body 231 and the other side body 232.
Next, as shown in FIGS. 1 to 3, the base plate 30 may be provided.
The pressing portion 10 and the chamfered portion 20 may be respectively provided on the front upper portion of the base plate portion 30 and the rear upper portion of the base plate portion 30. [
One side of the lower portion of the body 110 of the pressing portion 10 and the other side of the lower portion of the body 110 may be fixed to the upper portion of the base plate portion 30 in various ways such as bolts.
The upper face of the base plate portion 30 between the body 110 of the pressing portion 10 and the chamfered portion 20 is provided with a chamfered portion 20 on the upper side of the rear upper edge of the workpiece 3, The chip accommodating portion 40 for accommodating chips such as metal debris or metal powder generated in the process of being taken can be mounted in a fixed state in various ways such as bolt fixation.
The chip accommodating portion 40 may be formed in various shapes such as an arc shape having a downwardly convex cross-sectional shape.
A chip such as a metal debris or a flour can be dropped from the one side of the base plate portion 30 to the chip accommodating portion 40 which can be formed laterally extending in a certain length in the other direction of the base plate portion 30.
The upper and lower rear portions of the base plate portion 30 are moved in the forward and backward directions of the base plate portion 30 and the left and right direction of the base plate portion 30 by the control of the control portion. (50) may be provided.
As shown in FIGS. 2 and 3, the front and rear left and right movable parts 50 may include a back and forth movable member 510 and a left and right movable member 520. [
The back and forth moving member 510 may include a back and forth moving plate 511 and a back and forth moving plate moving member 512 for moving the back and forth moving plate 511 in the forward and backward directions of the base plate 30.
A first guide rail 301 may be formed on the upper surface of the base plate 30 and the upper surface of the base plate 30 to extend in a longitudinal direction of the base plate 30.
The front and rear moving plates 511 are connected to the first guide rails 301 in a state where the lower one side of the back and forth moving plate 511 and the other lower side of the back and forth moving plate 511 are coupled to the first guide rail 301, 301) of the base plate portion (30).
A second side of the front and rear moving plate 511 and a rear side of the front and rear moving plate 511 extend from one side of the back and forth moving plate 511 to the other side of the back and forth moving plate 511, And guide rails 513 may be respectively formed.
The back and forth moving plate moving member 512 may be composed of a lead screw 512a and a driving motor 512b.
The lead screw 512a may extend in a longitudinal direction of the base plate portion 30 in a state of being screwed to a lower center portion of the back and forth moving plate 511.
The driving motor 512b is fixed to the rear side of the base plate 30 in a variety of ways such as a bolt fixing state in a state of being engaged with the rear side of the lead screw 512a opposite to the front side, The forward / backward movement plate 511 can be moved forward and backward by rotating the forward / backward movement plate 512 in a predetermined number of times.
The front and rear moving plate moving member 512 does not necessarily have to be formed of the lead screw 512a and the driving motor 512b but may be formed on the rear side of the base plate portion 30 in a state of being connected to the back and forth moving plate 511, And a cylinder extending in the forward and backward directions under the control of the control unit in a fixed state.
The left and right moving member 520 may include a left and right moving frame 521 and left and right moving frame moving members 522 for moving the left and right moving frames 521 in the left and right direction of the base plate portion 30.
The chamfered portion 20 may be provided on the upper portion of the left and right moving frame 521.
The chamfered portion 20 provided at the upper portion of the left and right moving frame 521 is moved in the rear direction of the left and right moving frames 521 from the front side of the left and right moving frames 521, It can be tilted upwards in the upward direction.
The lower rear side of the left and right moving frames 521 and the lower center of the left and right moving frames 521 or the lower rear side of the left and right moving frames 521 and the lower front side of the left and right moving frames 521, The left and right moving frames 521 can move along the second guide rails 513 in the left and right directions of the base plate portion 30 while being coupled to the base plate portion 513. [
The left and right moving frame moving member 522 may be composed of a lead screw 522a and a driving motor 522b.
The leadscrew 522a is extended in the left and right direction of the back and forth moving plate 511 by a predetermined length while being screwed to the lower portion of the left and right moving frame 521 while being positioned between the second guide rails 513, .
The driving motor 522b is fixed to one side or the other side of the back and forth moving plate 511 in a variety of ways such as bolt fixing while being coupled to one side or the other side of the lead screw 522a, The left and right movement frames 521 can be moved left and right by rotating the screw 522a in the forward and reverse directions by a predetermined number of times.
The left and right moving frame moving member 522 does not necessarily have to be composed of the lead screw 522a and the driving motor 522b but may be connected to the left and right moving frame 521 at one side Or a cylinder which is fixed in various ways such as bolt fixing on the other side and extended in the left and right direction under the control of the control unit, or the like.

FIGS. 8 to 11 are plan views sequentially showing the process of moving the chamfered part forward, backward and leftward, and FIG. 12 is a block diagram schematically showing the control state of the control part.

Next, as shown in FIGS. 8 to 12, the sensing unit 60 and the control unit 70 may be provided.
The sensing unit 60 may include various sensors such as a proximity sensor provided on the rear upper side on the opposite side of the front side of the front and rear moving plate 511 of the back and forth moving member 510 and the other side of the rear upper side of the front and rear moving plate 511, ≪ / RTI >
The control unit 70 may be provided at various positions such as the upper part of the base plate 30. The control unit 70 may be installed at various positions such as the front and rear moving plates The movable member 512 and the left and right movable frame moving members 522 of the left and right movable member 520 can be controlled.
First, the left and right movable frame moving members 522 of the left and right movable member 520 are supplied with power from the power supply unit 710 under the control of the control unit 70, The face plate 20 can be moved in the direction of one side of the base plate 30 from the other side of the base plate 30 as shown in FIG. So that the rear upper edge of the workpiece 3 such as an iron plate is chamfered.
The left and right moving frame moving members 522 move in the direction of the left and right moving frames 521 when the sensing unit 60 provided on the upper side of the rear upper side of the back and forth moving plate 510 senses the left and right moving frames 521, The front and rear moving plate moving member 512 of the back and forth moving member 510 moves the back and forth moving plate 511 to the position of the base plate portion 30 as shown in FIG. Backward.
The left and right moving frame moving members 522 of the left and right moving members 520 are controlled by the control unit 70 in a state where the front and rear moving plates 511 are moved backward in the backward direction of the base plate unit 30, The left and right moving frames 521 can be moved from one side of the base plate portion 30 to the other side of the base plate portion 30 as shown in FIG. The base plate 30 can be moved in a direction toward the other side of the base plate portion 30 along the first direction 521.
When the sensing unit 60 provided on the other side of the rear upper side of the back and forth moving plate 511 of the back and forth moving member 510 detects the left and right moving frames 521, the left and right moving frame moving members 522 The front and rear moving plate moving member 512 of the back and forth moving member 510 moves the back and forth moving plate 511 to the position of the base plate portion 30 as shown in FIG. And is advanced forward.

13 and 14 are side views schematically showing the vertical angle adjusting portion.

13 and 14, at a front upper portion of the left and right moving frames 521 of the left and right moving members 520, a pair of left and right moving frames 521 A shaft member 523 extending in a left and right direction with a predetermined length may be integrally formed or bolted and horizontally formed.
The shaft member 523 can horizontally penetrate the front side of the plate member 210 of the chamfered portion 20 and can guide the chamfered portion 10 with respect to the front side of the plate member 210 of the chamfered portion 10 The upper and lower angles of the plate member 210 of the chamfered portion 10 can be adjusted.
The upper and lower angles of the plate member 210 of the chamfered portion 10 are adjusted to the upper side of the rear side of the left and right moving frame 521 of the left and right moving member 520, And an upper and lower angle adjusting unit 80 for fixing the upper and lower angles.
The vertical angle adjusting unit 80 may include an angle adjusting plate 810 and a position fixing member 820.
The angle regulating plate 810 may be vertically formed on the rear upper side of the left and right moving frame 521 of the left and right shifting member 520 and the other side of the rear upper side of the left and right shifting member 520.
A guide slit 811 protruding upward in the direction of the angle regulating plate 810 may be formed on the upper portion of the angle regulating plate 810 in a predetermined length in the vertical direction of the angle regulating plate 810.
The position fixing member 820 may be composed of a fixing bolt (821 of FIG. 3) and a nut (822 of FIG. 3).
The fixing bolt 821 can horizontally penetrate one side of the guide slit 811 and one side of the plate member 210 of the chamfered portion 20 and the other side of the plate member 210 of the chamfered portion 20 .
The nut 822 may be tightly fixed to the plate member 210 while being screwed with the fixing bolt 821.

15 is a side view schematically showing a change in the width of the chamfered portion of the workpiece.

The greater the advancement length of the chamfered portion 20 advancing along the forward / backward moving plate 511 and the backward / rearward moving plate 511 advancing the forward / backward moving plate moving member 512 of the forward / backward moving member 510, The contact area between the chamfered edge 223 of the chamfered portion 20 and the workpiece 3 in contact with the workpiece 3 is gradually increased so that it is formed on the rear upper edge of the workpiece 3, The upper and lower widths D of the chamfered portions can be gradually increased.
The shorter the advancing length of the chamfered portion 20 advancing along the back and forth moving plate 511 and the back and forth moving plate 511 advancing the back and forth moving plate moving member 512 of the back and forth moving member 510 is, The contact area between the chamfered edge 223 of the chamfered portion 20 and the workpiece 3 in contact with the workpiece 3 is gradually reduced so that the chamfered portion formed on the upper side of the rear side of the workpiece 3, The width D can be gradually reduced.

16 is a side view schematically showing a change in angle of the chamfered portion of the workpiece.

As the vertical angle of the plate member 210 of the chamfered portion 10 is increased, the vertical angle alpha of the chamfered portion formed at the rear upper edge portion of the chamfered portion 10 may gradually become smaller as shown in FIG. have.
As the vertical angle of the plate member 210 of the chamfered portion 10 is smaller, the vertical angle alpha of the chamfered portion formed at the rear upper corner of the chamfered portion 10 may gradually increase.

17 is a partially enlarged side view schematically showing the clamping portion.

17, a clamp 90 is provided on the lower front side of the front side of the plate member 210 of the chamfered portion 20 and the lower front side of the front side of the plate member 210 of the chamfered portion 20 .
A receiving hole 910 may be formed in the clamp 90 to receive the shaft member 523 formed on the upper side of the left and right moving frame 521 of the left and right moving member 520.
A slit 920 communicating with the receiving hole 910 may extend in the front and rear direction of the clamp unit 90 in the middle of the clamp unit 90.
A spacing adjusting member 930, which may be a fixing bolt or the like, may be screwed on the front side of the clamp unit 90 to adjust the vertical spacing of the slits 920.
The gap adjusting member 930 may be formed of a fixing bolt or the like so as to vertically penetrate the upper portion of the front side of the clamp 90 positioned in the upper direction of the slit 920, And can be screwed to the lower front side of the clamp portion 90.
When the worker rotates the gap adjusting member 930 in the forward direction, the gap between the slits 920 gradually narrows and the inner circumferential surface of the receiving hole 910 can be gradually fixed to the shaft member 523.
When the worker rotates the gap adjusting member 930 in the reverse direction, the gap between the slits 920 is gradually widened so that the close contact state of the inner circumferential surface of the receiving hole 910, which is in close contact with the shaft member 523, .

18 is a partially enlarged plan view schematically showing a state in which the angle member is in contact with the rear surface of the workpiece.

Next, when the chamfered edge 223 of the chamfered portion 20 faces the upper rear edge of the workpiece 3 such as an iron plate, either one side or the other side of the workpiece 3 contacts the workpiece 3 3 in the front or rear direction,
18, on one side of the front upper surface of the left and right moving frame 521 of the left and right shifting member 520 and the other side of the front upper side of the left and right shifting frame 521, And an angle member 100 moving left and right along the left and right moving frames 521 in a state of being in contact with the rear side of the left and right moving frames 521, respectively.
The rear side of the angle member 100 is fixed to one side of the upper side of the front side of the left and right moving frame 521 of the left and right moving member 520 and the other side of the upper side of the front side of the left and right moving frame 521, .
The front side of the angle member 100 may be vertically bent to have a predetermined length in the upper direction of the angle member 100 and be in contact with the rear side of the work 3. [
Two guide slits 102 are formed on the rear side of the angle member 100 to guide the angle member 100 from one side of the angle member 100 to the rear side of the angle member 100, And may be formed at regular intervals in the other direction.
The two guide slits 102 may extend in the longitudinal direction of the angle member 100 to a predetermined length.
The rear side of the angle member 100 is inserted into one of the two guide slits 102 by one side of the front upper surface of the left and right moving frame 521 of the left and right moving member 520, The angle member 100 can be received by the operator in a state in which the fixing member 103 is released from the fixing state of the fixing member 103, And can be adjusted in position.

Fig. 19 is a perspective view schematically showing a workpiece where corner portions are chamfered. Fig.

In the present invention constructed as described above, particularly, the workpiece 3 such as an iron plate is placed in a state in which the lower portion of the rear side of the pressing plate 120 of the pressing portion 10 is in line contact with the upper side of the rear side of the workpiece 3, The workpiece 3 such as an iron plate is not pushed in the left and right direction of the workpiece 3 during the process of cutting the edge of the workpiece 3 such as an iron plate because the chamfered portion 20 presses downward The chamfered portion 20 has an advantage that the corners of the workpiece 3 such as an iron plate can be chamfered uniformly and precisely as shown in Fig.

10; A pressing portion, 20; Cotton attachment.

Claims (11)

A presser plate which is vertically movable in an upward direction of the workpiece placed on the upper portion of the body to press the workpiece in a downward direction; So that the pressure plate is inclined upward from the rear side of the pressure plate toward the front side of the pressure plate so that the rear lower portion of the pressure plate contacts the upper side of the rear side of the pressure plate, A pressing portion formed of an elevating member to which a fixing member in contact with the upper portion of the front side of the workpiece is screwed;
And a chamfered portion for chamfering a corner of the workpiece pressed by the pressurizing portion.
The method according to claim 1,
The chamfered portion includes a plate member;
And a chamfered member which is provided on one side of the upper surface of the plate member and rotates in normal and reverse directions by a driving member to chamfer the edge of the workpiece pressed by the pressing portion.
The method according to claim 1,
A base plate portion having the pressing portion and the chamfered portion provided on the front side and the rear side, respectively,
And the front and rear left and right moving parts for moving the chamfered part forward, backward, leftward and rightward are provided on the upper rear part of the base plate part.
The method of claim 3,
The front and rear moving parts include a front-rear moving part that is movable back and forth on an upper rear side of the base plate part;
And a left and right moving member movably provided on an upper portion of the back and forth moving member and having the chamfered portion at an upper portion thereof.
5. The method of claim 4,
A shaft member is formed on an upper side of the left side moving member,
The shaft member horizontally penetrates the front side of the face mounting portion so that the rear side of the face mounting portion moves up and down with respect to the front side of the face mounting portion to adjust the vertical angle of the face mounting portion,
And an upper and lower angle adjusting unit for fixing the chamfered portion in a state in which the upper and lower angles of the chamfered portions are adjusted on an upper rear portion of the left and right moving member.
6. The method of claim 5,
Wherein the upper and lower angle adjusting portions are vertically formed respectively on a rear upper side of the left and right shifting member and a rear upper side of the left and right shifting member, and an arc-shaped guide slit is formed on the upper side;
A fixing bolt for horizontally passing through one side of the guide slit of the angle regulating plate and one side of the chamfered portion and the other side of the chamfered portion and a position fixing member composed of a nut screwed to the fixing bolt, .
The method according to claim 6,
A clamping portion having a receiving hole in which the shaft member is received is formed on one side of the chamfered portion and the other side of the chamfered portion,
Wherein a slit communicating with the receiving hole is formed in the middle of the clamping portion so as to extend in the front-rear direction of the clamping portion, and a gap adjusting member for adjusting the vertical distance of the slit is screwed to the front side of the clamping portion.
5. The method of claim 4,
And an angle member that moves left and right along the left and right moving member in a state where one side of the upper side of the front side of the left and right movable member and the other side of the upper side of the front side of the left and right movable member are in contact with the rear side opposite to the front side of the workpiece (1).
5. The method of claim 4,
A sensing unit for sensing the left and right moving members on one side of the back and forth moving member and on the other side of the back and forth moving member;
And a controller for controlling the back and forth moving member and the left and right moving members according to a detection signal of the sensing unit. delete delete
KR1020150079163A 2015-06-04 2015-06-04 Chamfering device KR101570871B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109129151A (en) * 2017-06-15 2019-01-04 上海信鸿装饰工程有限公司 Repair angle machine in a kind of abnormal workpieces angle abrasive band
CN114486454A (en) * 2022-03-24 2022-05-13 兰考三农职业学院 Carbon fiber stretching sample piece preparation equipment

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101307837B1 (en) * 2013-07-02 2013-09-26 우광윤 Simultaneous upper and lower edge of the plate chamfering chamfering device capable of processing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101307837B1 (en) * 2013-07-02 2013-09-26 우광윤 Simultaneous upper and lower edge of the plate chamfering chamfering device capable of processing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109129151A (en) * 2017-06-15 2019-01-04 上海信鸿装饰工程有限公司 Repair angle machine in a kind of abnormal workpieces angle abrasive band
CN114486454A (en) * 2022-03-24 2022-05-13 兰考三农职业学院 Carbon fiber stretching sample piece preparation equipment

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