KR101568786B1 - Wire bending device - Google Patents

Abstract

The present invention relates to an automatic wire bending device having a compact size by using a single hydraulic pump and hydraulic cylinder, and two gears, thereby being simply manufactured, and easily moved. The automatic wire bending device is characterized by having a structure of setting various bending angles of a wire in advance, and continuously bending the wire after selecting a wanted bending angle without a resting time.

Description

[0001] WIRE BENDING DEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a single hydraulic pump and a hydraulic cylinder and a wire automatic bending apparatus having a simple structure and a simple structure that can be made compact by using two gears, To a wire automatic banding apparatus capable of continuously bending a wire by selecting a desired bending angle without stopping and then setting the bending angle of the wire in advance at various angles.

In general, a wire bending machine flexibly changes the bending angle and bending direction of a wire to easily bend and shape a two-dimensional part as well as a three-dimensional part.

A conventional wire bending machine is disclosed in Patent Registration No. 10-632481. The wire bending machine includes a bending unit for bending a wire, a switching driving unit for replacing the bending unit, a bending driving unit for rotating the bending unit, And a feeding device for feeding the wire, which is provided with a driving device for driving the molding device.

However, the conventional wire-bending machine has a large size, which is difficult to install in a narrow space, and is complicated in manufacturing, which is a cause of increase in unit price.

In addition, since the conventional wire bending machine has to be set up every time when the bending angle of the wire is changed, there is a problem that the resting time is prolonged and the molding efficiency is lowered.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is a first object of the present invention to provide a hydraulic pump, a hydraulic cylinder, and two gears, And to provide a wire automatic banding device having a structure that is easy to move.

A second object of the present invention is to provide a wire automatic banding apparatus capable of continuously bending a wire by presetting a bending angle of the wire at various angles and then selecting a desired bending angle without a rest period.

A third object of the present invention is to provide a wire automatic banding apparatus which can be quickly fixed to an optimum position by a magnetic force without a separate coupling means.

According to a first aspect of the present invention, there is provided a wire automatic banding apparatus comprising: a housing; A hydraulic cylinder 30 which is built in the housing 10 and is driven by hydraulic pressure; a lever gear 32 which is engaged with the piston 31 in the hydraulic cylinder 30 and linearly moves by the piston 31; And a pinion gear 41 coupled to the first fixed shaft 13 fixed to the inside of the housing 10 and meshed with the gear gear 32, An auxiliary gear 51 which is coupled to the second fixed shaft 14 in the housing 10 and is engaged with the first gear 40, A fixing roller 16 disposed at the center of the upper surface of the second gear 50 and fixed to the second fixing shaft 14; And a bending roller 17 which is biased and rotated to rotate about the fixing roller 16 by the rotation of the second gear 50. The fixing roller 16 and the bending roller 17, (10) and the housing And the housing 10 is formed with a groove 11 at a turning radius of the banding roller 17 and a wire W is inserted between the fixing roller 16 and the banding roller 17 When the banding roller 17 is pivoted, the wire W is bent.

In a second aspect of the present invention, in the first aspect of the present invention, a sensing unit (60) for adjusting the turning angle of the banding roller (17) is further provided inside the housing (10).

A third aspect of the present invention is that in the second aspect of the present invention, in the sensing part (60), the first gear (40) is coupled at one end and the other end is fixed to the housing A chain 61 having a straight section which is engaged with a sprocket 15 coupled to two corners of the housing 10 and is coupled to a straight section of the chain 61, And two first and second proximity sensors 62 and 63 for detecting the sensing plate 611 inside the housing 10, respectively, do.

The first and second proximity sensors 62 and 63 are coupled to a handle 65 exposed to the outside of the housing 10 via a bracket, And first and second horizontal grooves (12a, 12b) for guiding the position of each knob (65) are formed on the side surface in an up / down direction.

In the fifth invention, in the fourth invention, the housing (10) is further provided with a selection button (18) and an operation button (19) below the second horizontal groove (12b) 1 and 2 proximity sensors 62 and 63 to supply power, and the operation button 19 functions to actuate the hydraulic pump 20. As shown in FIG.

A sixth invention is characterized in that in the first invention, a guide rail (33) for horizontally guiding the lever gear (32) is further coupled to the side surface of the hydraulic cylinder (30) 33 and is engaged with the end of the piston 31 of the hydraulic cylinder 30 and is horizontally moved.

In a seventh aspect according to the first aspect of the invention, the housing (10) further includes a magnetic base (70) coupled to four places on the bottom surface and an operating means (80) for turning on / off the magnetic force of the magnetic base .

In the eighth invention, in the seventh invention, each magnetic base (70) is provided with a lever (71) for turning on / off the magnetic force, the operating means (80) A rotating disk 83 disposed on one side and the other side of the rotating shaft 82 and co-rotating with the rotating shaft 82; An interlocking bar 84 which is disposed on one side and the other side of the coaxial shaft 82 so as to intersect with the pivoting shaft 82 and which is linearly moved by a pin F contact with the pivoting disk 83; And a clamp 85 hinged to the end portion and coupled to the lever 71 of the magnetic base 70.

According to the automatic wire bending apparatus of the present invention, since the scale can be made compact by using a single hydraulic pump, a hydraulic cylinder, and two gears, it is easy to manufacture and easy to move.

In addition, since the wire bending angle can be preset in various angles, the wire can be bent continuously by selecting a desired bending angle without a rest period, thereby improving the productivity

In addition, there is an effect that the metal wall and the magnetic force can easily be fixed by the magnetic force anywhere without any place within the range of the magnetic force without separate coupling means.

1 is a perspective view of a wire automatic banding apparatus according to the present invention,
Fig. 2 is a plan view of Fig. 1,
Fig. 3 is a front view of Fig. 1,
Fig. 4 is an operation diagram of the first gear rotated by the gear gear coupled to the hydraulic cylinder in Fig. 1,
5 to 7 are operation diagrams showing the banding of the wire,
Fig. 8 is a bottom view showing the combination of the magnetic base and operating means coupled to the bottom of the wire automatic banding device in Fig. 1,
9 is an operation diagram showing the operation of the magnetic base and the operation means.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the following description of the present invention, detailed description of known related arts will be omitted when it is determined that the gist of the present invention may be unnecessarily obscured. In addition, numerals (e.g., first, second, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another.

Also, in this specification, when an element is referred to as being "coupled "," connected ", or "connected" with another element, the element is directly connected to the other element, Or may be directly bonded, it should be understood that, unless a specially contradictory description is present, it may be coupled, connected, or connected via another component in between.

Hereinafter, a wire automatic bending apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of a wire automatic bending apparatus according to the present invention, Fig. 2 is a plan view of Fig. 1, and Fig. 3 is a front view of Fig.

As shown in FIGS. 1 to 3, according to the present invention, a wire bending angle can be set in advance at various angles, and then a desired automatic bending angle can be selected without a stoppage time, ≪ / RTI >

Here, the wire W is one of a reinforcing bar, a metal pipe, and a metal round bar.

In addition, the wire automatic banding device 100 of the present invention is characterized in that it can be made compact by using a single hydraulic pump and a hydraulic cylinder and two gears, thereby making it simple to manufacture and easy to move.

The wire automatic bending apparatus 100 according to the present invention includes a housing 10, a hydraulic cylinder 30, a gear 32, a first gear 40, a second gear 50, (16) and a banding roller (17).

The hydraulic cylinder 30 is built in the housing 10 and connected to the hydraulic pump 20 so as to be driven by hydraulic pressure.

The lever gear 32 is engaged with the piston 31 in the hydraulic cylinder 30 and is linearly moved together with the piston 31.

A guide rail 33 for horizontally guiding the lever gear 32 is further coupled to a side surface of the hydraulic cylinder 30. The lever gear 32 is slidably engaged with the guide rail 33, (321) extending in the direction of the piston (31) so as to be coupled to the end of the piston (31) of the piston (30).

Accordingly, when the piston 31 of the hydraulic cylinder 30 linearly moves, the lever gear 32 can also linearly move together with the piston 31 on the guide rail 33.

The first gear 40 is coupled to the first fixed shaft 13 fixed to the inside of the housing 10 and the pinion gear 41 meshing with the gear gear 32 is coupled to the first fixed shaft 13, .

Accordingly, the first gear 40 rotates linearly through the pinion gear 41 while rotating the rectangle gear 32.

The second gear 50 is coupled to a second fixed shaft 14 fixed to the housing 10 and an auxiliary gear 51 engaging with the first gear 40 is coupled to the housing 10, .

The gear ratios of the above-mentioned ring gear 32, the pinion gear 41, the first gear 40, the auxiliary gear 51 and the second gear 50 are 10: 24: 45: 30: 60. The turning radius of the second gear 50 becomes extremely large only by the small moving amount of the < RTI ID = 0.0 >

The fixing roller 16 is disposed at the upper center of the second gear 50 and is fixed to the second fixing shaft 14.

Accordingly, even if the second gear 50 rotates, the fixing roller 16 remains fixed.

The bending roller 17 is coupled to the outer surface of the upper surface of the second gear 50 at a certain point and is rotated around the fixing roller 16 in accordance with the rotation of the second gear 50 .

The fixing roller 16 and the banding roller 17 are exposed to the upper surface of the housing 10 and the housing 10 is formed with the groove 11 by the turning radius of the banding roller 17 And the wire W is bent when the banding roller 17 is pivoted in a state where the wire W is coupled between the fixing roller 16 and the banding roller 17.

In addition, a sensing unit 60 is further installed in the housing 10 to sense a turning angle of the banding roller 17.

The sensing unit 60 includes a chain 61 and a sensing plate 611 coupled to the chain 61. The sensing unit 611 senses the movement of the chain 61, , And two proximity sensors (62, 63).

One end of the chain 61 is coupled to the periphery of the first gear 40 and the other end is fixed to the housing 10 via an elastic body S fixed to the inside of the housing.

At this time, the chain (61) is engaged with the sprocket (15) coupled to the two corners of the housing (10) and has a straight section.

Here, the sensing plate 611, which can be sensed by the first and second proximity sensors 62 and 63, is coupled to the linear section of the chain 61.

Here, the sensing plate 611 has a cross-sectional shape such that the horizontal plane of the sensing plate 611 is sensed by the first proximity sensor 62 and the vertical plane of the sensing plate 611 is sensed by the second proximity sensor 63 ).

The first and second proximity sensors 62 and 63 are coupled to a bracket 64 connected to a handle 65 exposed to the outside of the housing 10.

At this time, first and second horizontal grooves 12a and 12b for guiding the respective grips 65 are formed on the side surface of the housing 10 in an up / down direction. Here, a scale 121 having a turning angle of the banding roller 17 is formed between the horizontal grooves 12a and 12b.

In this structure, the positions of the first and second proximity sensors 62 and 63 connected to the respective grips 65 are varied in the horizontal grooves, resulting in sensing the rotation angle of the first gear 40, ) Of the turning angle of the wheel.

In addition, a selection button 18 and an operation button 19 are further formed in the housing 10 below the second horizontal groove 12b.

The operation button 19 is for operating the hydraulic pump 20 and the selection button 18 is for selecting the first and second proximity sensors 62 and 63.

The selection button 18 is connected to the first and second proximity sensors 62 and 63 so as to shut off the power of the proximity sensors 12a and 12b of the two proximity sensors 12a and 12b.

For example, the first proximity sensor 62 positioned on the first horizontal groove 12a disposed on the upper side is set to vary the position to the 90 ° turning radius scale 121 of the banding roller 17, The second proximity sensor 63 located in the arranged second horizontal groove 12b is moved to the selection button 18 while the position of the second proximity sensor 63 is changed to the scale 121 on the 180 ° turning radius of the banding roller 17, The wire can be bent at 90 ° or 180 ° according to the selection of the proximity sensors 12a and 12b.

Hereinafter, operation of the wire bending apparatus according to the present invention will be briefly described.

Fig. 4 is an operational view of the first gear rotated by a < RTI ID = 0.0 > gear < / RTI >

First, a wire W is inserted between the banding roller 17 exposed in the housing 10 and the fixing roller 16. [

Then, when the hydraulic pump 20 is operated, the piston 31 of the hydraulic cylinder 30 is pulled out and linearly moved by the hydraulic pressure of the hydraulic pump 20.

4, the lever gear 32 connected to the piston 31 also linearly moves together with the piston 31 on the guide rail 33 as shown in FIG.

At this time, the first gear 40 is converted into rotational motion by the pinion gear 41 that is gear-coupled with the < RTI ID = 0.0 >

The second gear 50 is rotated by the auxiliary gear 51 engaged with the first gear 40 and rotated as the first gear 40 rotates.

The bending roller 17 coupled to the upper surface of the first gear 40 is rotated along the grooves 11 to bend the wire W at a predetermined angle.

Hereinafter, the bending roller turning angle adjustment of the wire bending apparatus according to the present invention will be briefly described.

5 to 7 are operation diagrams showing the banding of the wire.

First, the present invention can adjust the turning angle of the banding roller 17 between 0 and 180 degrees.

Initially, the banding roller 17 and the fixing roller 16 are arranged side by side.

At this time, the sensing plate 611 coupled to the chain 61 is automatically set to the initial position where the banding roller is in the straight line section.

5, the grip 65 exposed in the first horizontal groove 12a is held and the first proximity sensor 62 is set at the position of the 90 ° scale 121. In this case,

The grip 65 exposed in the second horizontal groove 12b is held and the second proximity sensor 63 is set at the position of the 180 ° scale 121. [

Then, the selection button 18 is depressed to select the first proximity sensor 62 to turn off the power of the second proximity sensor 63.

When the hydraulic pump 20 is operated by pressing the operation button 19, the chain 61 is wound around the first gear 40 by the rotation of the first gear 40, Is moved in the straight section of the chain 61 together with the chain 61.

6, when the sensing plate 611 is sensed by the first proximity sensor 62, the hydraulic pump 20 stops operating, and at the same time, the bending roller 17 is pivoted about the fixed roller to rotate the wire W) is automatically bent to the initial position after 90 ° bending.

When the wire W is bent by 180 °, the selection button 18 is pressed to supply power to the second proximity sensor 63 and cut off the power of the first proximity sensor 62.

When the hydraulic pump 20 is operated by pressing the operation button 19, the sensing plate 611 coupled to the chain 61 passes through the first proximity sensor 62 and the second proximity sensor 63 Lt; / RTI > Then, the hydraulic pump 20 is stopped, and at the same time, the bending roller 17 is automatically set to the initial position after bending the wire W by 180 °.

Fig. 8 is a bottom view showing the combination of the magnetic base and the actuating means coupled to the bottom of the wire automatic bending apparatus in Fig. 1, and Fig. 9 is an operation diagram showing the operation of the magnetic base and the actuating means.

As shown in FIGS. 8 and 9, the automatic wire-bending apparatus 100 of the present invention is constructed so that it can easily be fixed by a magnetic force anywhere within a range of a metal wall surface and a magnetic force.

To this end, the housing 10 further includes a magnetic base 70 coupled to four places on the bottom surface and an operating means 80 for turning on / off the magnetic force of the magnetic base 70.

The magnetic base 70 is coupled to four places on the bottom surface of the housing 10 so as to be detachably attached to the metal wall surface by a magnetic force.

The magnetic base 70 has a structure in which a lever 71 for turning on / off magnetic force is formed.

In addition, the actuating means 80 is configured to simultaneously turn on / off the magnetic forces of the respective magnetic bases 70 by clamping the levers 71.

The operating means 80 includes a rotating shaft 82, a rotating disk 83, an interlocking bar 84, and a clamp 85.

The pivot shaft 82 has a handle bar 81 at its end and is disposed across the center of the housing 10.

The interlocking bar 84 is disposed on one side and the other side of the pivoting shaft 82 so as to intersect with the pivoting shaft 82.

At this time, the pivot shaft 82 and the interlocking bar 84 are inserted into and supported by a plurality of fixed blocks 86 fixed to the housing 10.

The rotating disk 83 converts the rotary motion of the rotary shaft 82 into a linear motion and transmits the rotary motion to the respective interlocking bars 84. Two of the rotary shafts 82 are formed on the rotary shaft 82.

Each of the rotating disk 83 has a structure in which pins F are coupled to the rotating shaft 82 and the interlocking bar 84, respectively.

The rotating disk 83 is rotated together with the rotating disk 83 and the rotating disk 83 is rotated with the rotating disk 83 and the pin F ) The combined interlocking bars 84 are linearly moved in the longitudinal direction.

The clamps 85 are hinged to both ends of the respective interlocking bars 84 and are coupled to the levers 71 of the respective magnetic bases 70.

9, each clamp 85 simultaneously operates the levers 71 of the four magnetic bases 70 to turn on / off the magnetic force, as shown in FIG. 9, when the respective interlocking bars 84 are moved leftward / rightward along the longitudinal direction .

Accordingly, there is provided a structure for quickly fixing the wire automatic banding apparatus 100 to an optimum position by a magnetic force without a separate coupling means.

 It should be noted that the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention so that various equivalents And variations are possible.

10: housing 11: groove 12a: first horizontal groove
12b: second horizontal groove 121: scale
13: first fixed shaft 14: second fixed shaft
15: Sprocket 16: Fixing roller
17: Banding roller 18: Select button
19: Operation button
20: Hydraulic pump
30: Hydraulic cylinder 31: Piston 32:
321: engaging portion 33: guide rail
40: first gear 41: pinion gear
50: Second gear 51: Auxiliary gear
60: sensing part 61: chain 611: sensing plate
62: first proximity sensor 63: second proximity sensor
64: Bracket 65: Handle
70: Magnetic base 71: Lever
80: operating means 81: handle bar 82:
83: rotating plate 84: interlocking bar
85: clamp 86: fixed block
F: Pin S: Elastic body B: Bearing
W: Wire
100: Wire automatic banding device

Claims (8)

A housing (10);
A hydraulic cylinder 30 built in the housing 10 and driven by hydraulic pressure;
A lever gear (32) engaged with the piston (31) in the hydraulic cylinder (30) and linearly moved by the piston (31);
A pinion gear 41 coupled with a bearing B to a first fixed shaft 13 fixed to the inside of the housing 10 and meshed with the gear gear 32 is connected to a first gear 40, ;
A second gear 50 which is housed in the housing 10 and is supported by a second fixed shaft 14 and is supported at an upper portion thereof by an auxiliary gear 51 engaged with the first gear 40;
A fixing roller 16 disposed at the center of the upper surface of the second gear 50 and fixed to the second fixing shaft 14;
And a banding roller 17 biased to one point on the upper surface of the second gear 50 and pivoting about the fixing roller 16 by rotation of the second gear 50,
The fixing roller 16 and the banding roller 17 are exposed to the upper surface of the housing 10,
The housing 10 is formed with a groove 11 by a turning radius of the banding roller 17,
The wire W can be bent when the banding roller 17 is pivoted in a state where the wire W is coupled between the fixing roller 16 and the banding roller 17,
The housing 10 further includes a sensing unit 60 for adjusting a turning angle of the banding roller 17,
The sensing unit 60 is fixed to the housing 10 through an elastic body S having one end coupled to the first gear 40 and the other end fixed to the inside of the housing 10, A chain 61 having a linear section engaged with a sprocket 15 coupled to two edges of the housing 10,
A sensing plate 611 coupled to the straight section of the chain 61 and moving together with the chain 61,
And two first and second proximity sensors (62, 63) for sensing the sensing plate (611) inside the housing (10).
delete delete The method according to claim 1,
The first and second proximity sensors 62 and 63 are coupled through a bracket 64 to a handle 65 exposed to the outside of the housing 10,
Wherein first and second horizontal grooves (12a, 12b) for guiding the positions of the respective grips (65) are formed on the side surface of the housing (10).
5. The method of claim 4,
A selection button 18 and an operation button 19 are further formed on the lower portion of the second horizontal groove 12b in the housing 10,
The selection button 18 functions to supply power by selecting the first and second proximity sensors 62 and 63,
Wherein the actuating button (19) functions to actuate the hydraulic pump (20).
The method according to claim 1,
A guide rail 33 for horizontally guiding the lever gear 32 is further coupled to the side surface of the hydraulic cylinder 30,
Wherein the lever gear (32) is slidably engaged with the guide rail (33) and is coupled to an end of the piston (31) of the hydraulic cylinder (30) to move horizontally.
The method according to claim 1,
The housing 10 further includes a magnetic base 70 coupled to four places on the bottom and an operating means 80 for turning on / off the magnetic force of the magnetic base 70. Device.
8. The method of claim 7,
Each of the magnetic bases 70 is formed with a lever 71 for turning on and off magnetic force,
The operating means 80 includes a pivot shaft 82 coupled to a handle bar 81 at an end thereof and disposed across the center of the housing 10 and a pivot shaft 82 disposed on one side and the other side of the pivot shaft 82, And a rotary disk 83 rotatable with the rotary shaft 82. The rotary disk 83 is disposed so as to intersect the rotary shaft 82 at one side and the other side of the rotary shaft 82, And a clamp 85 which is hinged to an end of the interlocking bar 84 and coupled with a lever 71 of the respective magnetic base 70. The interlocking bar 84 is connected to the interlocking bar 84, Automatic banding device.

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