KR101561998B1 - Grid Coupling Forming Machine - Google Patents

Grid Coupling Forming Machine Download PDF

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Publication number
KR101561998B1
KR101561998B1 KR1020150113210A KR20150113210A KR101561998B1 KR 101561998 B1 KR101561998 B1 KR 101561998B1 KR 1020150113210 A KR1020150113210 A KR 1020150113210A KR 20150113210 A KR20150113210 A KR 20150113210A KR 101561998 B1 KR101561998 B1 KR 101561998B1
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KR
South Korea
Prior art keywords
steel wire
pin
unit
clip
shaft
Prior art date
Application number
KR1020150113210A
Other languages
Korean (ko)
Inventor
주수근
Original Assignee
주수근
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Priority to KR1020150113210A priority Critical patent/KR101561998B1/en
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Publication of KR101561998B1 publication Critical patent/KR101561998B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F1/00—Bending wire other than coiling; Straightening wire
    • B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F45/00—Wire-working in the manufacture of other particular articles
    • B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/52—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising a continuous strip, spring, or the like engaging the coupling parts at a number of places
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/56—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

The present invention of a grid coupling machine comprises: a main frame (10); a steel wire supply unit (20) to supply a steel wire (1) to the main frame (10); an inducing heating unit (30) placed on the main frame (10) to heat a part to be bent of the steel wire supplied by the steel wire supply unit (20); a clip unit (40) placed on top on the main frame (10) to clip the steel wire heated by the inducing heating unit (30); a rotating bending unit (50) placed on a bottom of the clip unit (40) to allow the clip unit (40) be fixated, and to bend the steel wire fixated on the clip unit (40) by rotation to allow a grid coupling (2) be made; a grid coupling holding unit (60) placed on the rotating bending unit (50) located on the bottom of the clip unit (40), on which the bent grid coupling (2) is held; a clip unit elevating unit (70) placed on the rotating bending unit (50) to elevate the clip unit (40), and to allow the clip unit (40) clip the steel wire (1) or to allow the clip unit (40) be distanced from the steel wire (1); and a rotation driving unit (80) placed on the bottom of the rotating bending unit (50) to make the rotating bending unit (50) rotate.

Description

{Grid Coupling Forming Machine}

The present invention relates to a grid coupling molding apparatus for making a grid coupling which is alternately bent in a metallic material coupling.

Coupling is a power transmission device that connects a drive shaft connected to a motor and a driven shaft separated from the drive shaft so that power can be transmitted from the drive shaft to the driven shaft.

The coupling is largely divided into flexible coupling, which is most commonly used because of its tolerance to some degree of tolerance of both axes and vibration and impact reduction, rigid coupling with which both axes are simply connected, , Fluid Coupling (Fluid Coupling) that protects the motor or the driven system by cutting off the connection of the driven shaft automatically when overloading and reducing the load of the motor or power transmission system by slow start using oil or powder. ).

In the case of the flexible coupling, the elastic coupling is divided into an elastomeric coupling and a metal coupling.

The metallic material coupling is divided into a flange coupling, a grid coupling, a gear coupling, and a disk coupling.

The shape of the grid coupling is as shown in Fig.

The entire shape has a ring shape, and has a form in which the steel wire is alternately bent at an angle of 180 degrees.

An apparatus for forming such a grid coupling is disclosed in Korean Patent No. 10-1132332 entitled " Coupling Grid Shaping Machine ", which is shown in Figs. 2 and 3. Fig.

2, the coupling grid forming apparatus includes a substrate supplying unit 210 installed at one side of the upper end of the base 231 to supply a linearly supplied substrate 211 to a forming unit 220; Shaped support 222 is coupled to an upper portion of a vertical axis 221 passing through the upper portion of the base 231 so as to be able to rotate forward and backward and a forming drum 223 having left and right side plates coupled to the left and right sides, The substrate 211 is rotatably coupled to the upper ends of both ends of the support table 222 by using the horizontal axis 224 and is provided on the outer circumferences of the left plate 225 and the right plate 226, A plurality of left and right fitting holes H and right fitting holes h for fitting the engaging pins P1 and P2 for bending the battery pack into a cycle waveform; The driving gear 232 is coupled to the lower end of the vertical shaft 221 existing in the base 231 and the rack gear 234 provided to the pneumatic cylinder 233 to be movable forward and backward is driven to the driving gear 232 A power transmitting means (230) configured to rotate the forming drum (223) of the forming means (220) by forward and backward movement of the rack gear (234); .

The coupling grid molding machine is sandwiched by the left fitting hole H or the right fitting hole h every time the forming drum 223 rotates by 180 degrees so as to alternately bend the base material at an angle of 180 degrees The engaging pins P1 and P2 are moved to the left fitting hole H or the right fitting hole h at the next position to perform the grid forming operation.

Since the worker manually moves the engaging pins P1 and P2 to the left fitting hole H or the right fitting hole h at the next position to perform the grid forming operation, it takes a lot of time and the productivity is lowered There is a problem. Further, since the engaging pin is manually inserted by hand, there is a problem in safety.

In addition, when the molding portion is heated by the high-frequency heater 240, the upper surface of the base material is heated, so that the heating efficiency of the other surface of the base material 211 becomes poor, There is a problem that warpage is likely to occur at the time of bending molding.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a grid coupling forming apparatus capable of continuously and automatically performing a grid forming operation without manually moving an engaging pin, .

Another object of the present invention is to provide a grid coupling molding apparatus which prevents the occurrence of warpage during bending molding by heating the base material evenly throughout the bending region during high frequency heating.

According to an aspect of the present invention, there is provided a grid coupling molding apparatus comprising: a main body; A steel wire supplying part (20) for supplying the steel wire (1) to the main body (10); An induction heating unit 30 provided in the main body 10 and heating a portion to be bent of the steel wire supplied from the steel wire supplying unit 20; A clip portion 40 provided on the upper inside of the main body 10 to clip the steel wire heated by the guide glowing portion 30; A rotary bending portion (not shown) provided at the lower portion of the clip portion 40 to bend a steel wire fixed to the clip portion 40 by rotation and fixing the clip portion 40, 50); A grid coupling mount (60) provided on the rotary bending portion (50) located under the clip portion (40) and on which the bent grid coupling (2) is mounted; A clip portion elevating portion 70 provided on the rotary bending portion 50 and lifting the clip portion 40 to clip or separate the steel wire 1 from the steel wire 1; And a rotation driving unit 80 provided at a lower portion of the rotation bending unit 50 and rotating the rotation bending unit 50.

The clip portion 40 includes a first pin 41 positioned adjacent to one side of the steel wire 1, a second pin 42 positioned adjacent to the other side of the steel wire 1, A pin fixing portion 43 for fixing the first pin 41 and the second pin 42 to each other and a second fixing portion 43 connected to the pin fixing portion 43, And a pin fixing rotary shaft (44) for rotating the pin fixing portion (43) so that the second pin (42) is positioned on one side of the steel wire (1).

The linkage unit 101 is fixed to the pin fixing unit rotary shaft 44 of the clip unit 40 and is rotated together with the linkage unit 101. The linkage unit 101 is hinged to one side of the linkage unit 101, 101 for rotating the pin fixing unit rotary shaft 44 and rotating the pin fixing unit rotary shaft 44 for rotating the pin fixing unit rotary shaft 102 And a pin fixing unit rotating shaft rotating unit 100 including the pin fixing unit rotating shaft rotating unit 100.

The grid coupling mounting portion 60 includes a grid coupling mounting portion fixing shaft 62 that is formed in the rotary bent portion 50 in the same direction as the feeding direction of the steel wire 1 of the steel wire supplying portion 20 And the clip portion elevating and lowering portion 70 is connected to the pin fixing portion rotary shaft 44 so as to move the pin fixing portion rotary shaft 44 up and down so that the pin fixing portion 43 The first pin 41 and the second pin 42 which are fixed to the pin fixing portion 43 are raised and lowered to move the first pin 41 and the second pin 42 to the steel wire 1 A first cylinder 71 which is adjacent to or spaced apart from the steel wire 1 and which is provided on the grid coupling mount 60 and which is fixed to the first cylinder fixing bracket 72 which are located on both sides in the same direction as the supply direction of the steel wire 1 of the steel wire supplying section 20, The first cylinder fixing bracket 72 is fixed to the racket 72 and is hinged to both ends of the grid coupling fixing part fixing shaft 62 so that the first cylinder fixing bracket 72 is rotated about the grid coupling mounting part fixing shaft 62 And a bending portion provided on the rear portion of the rotary bending portion and hinged to the upper portion of the bending portion for bending the grid bending portion by rotation of the rotary bending portion, The clip portion elevating portion rotating bracket 111, which is connected to the cylinder fixing bracket 72 and is hinged to the grid coupling mounting portion fixing shaft 62 by the sliding movement, is rotated in the circumferential direction of the grid coupling, And a clip portion turning cylinder (110) including a clip portion rotating cylinder (112) for rotating the portion (40).

The induction heating portion 30 is provided with a coil-like shape for heating the portion to be bent of the steel wire 1 so as to surround the inserted steel wire 1 inserted with the steel wire 1 supplied from the steel wire supplying portion 20 A high frequency applying section 32 connected to the coil section 31 to heat the coil section 31 by applying a high frequency to the coil section 31; A high frequency applying section 33 for fixing the high frequency applying section 33 and fixing the high frequency applying section 33 by fixing the high frequency applying section 33 on one side of the steel wire supplying section 20, The coil part 31 connected to the application part 32 is separated from the part to be bent of the steel wire 1 inserted into the coil part 31 or the coil part 31 is connected to the bent part of the steel wire 1 And an induction heating cylinder (34) for adjacently moving the heating cylinder.

The rotation driving unit 80 includes a driving rotation shaft 81 coupled to the lower portion of the rotary bending unit 50 and a driving rotation shaft 81 provided on the driving rotation shaft 81, A rack portion 83 which is engaged with the gear portion 82 and a rack portion feeding cylinder 82 which is connected to the rack portion 83 and reciprocally feeds the rack portion 83 by sliding, (84).

In addition, a guide 61 for supporting and guiding the steel wire supplied from the steel wire supplying part 20 is provided at an upper end of the grid coupling mounting part 60.

The grid coupling forming apparatus of the present invention having the above-described structure has an advantage that productivity can be improved because the operator can continuously and automatically perform the grid forming operation without manually moving the engaging pin.

In addition, since the worker does not have to manually move the latching pin, a safety accident can be prevented.

Further, when the bending portion is heated by high-frequency heating, the substrate is heated uniformly throughout the substrate, thereby preventing occurrence of warpage during bending molding.

1 is a perspective view showing a grid coupling;
2 and 3 are views showing a conventional coupling grid molding machine.
4 is a perspective view showing the appearance of the grid coupling molding apparatus of the present invention.
5 is a perspective view showing a main part of a grid coupling forming apparatus of the present invention.
6 is a view for explaining the operation of the induction heating unit in the grid coupling molding apparatus of the present invention.
Figs. 7 to 10 are perspective views for explaining the operating structure of the main recess for bending in the grid coupling molding apparatus of the present invention.
11 is a view showing a fin-fixing portion and a grid-coupling mounting portion in the grid coupling forming apparatus of the present invention.
12 is a view showing a rotation driving unit in the grid coupling molding apparatus of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a grid coupling molding apparatus of the present invention will be described in detail with reference to the drawings.

Fig. 4 is a perspective view showing the appearance of the grid coupling molding apparatus of the present invention, Fig. 5 is a perspective view showing a main part of the grid coupling molding apparatus of the present invention, Fig. 6 is a cross- Figs. 7 to 10 are perspective views for explaining the operating structure of the main recess for bending in the grid coupling molding apparatus of the present invention, and Fig. 11 is a perspective view of the grid coupling molding FIG. 12 is a view showing a rotation driving unit in the grid coupling molding apparatus of the present invention. FIG.

The grid coupling forming apparatus according to the present invention includes a main body 10, a steel wire supplying portion 20, an induction heating portion 30, a clip portion 40, a rotary bending portion 50, a grid coupling mounting portion 60, A clip portion elevating and lowering portion 70, and a rotation driving portion 80.

A wire feeder 20 is provided on one side of the main body 10 and an induction heating part 30, a clip part 40, a rotary bending part 50, a grid coupling mounting part 60, And a control unit 90 is provided on the other side of the main body 10. [

The steel wire supplying part 20 serves to supply the steel wire 1 to the main body 10 as shown in FIGS.

As shown in FIG. 4, the induction heating portion 30 is provided in the main body 10 and serves to heat the bent portion of the steel wire supplied from the steel wire supplying portion 20.

The induction heating portion 30 adopts a known structure for induction heating by applying a high frequency.

However, in order to smoothly bend the bent portion of the steel wire, the induction heating portion 30 is configured to move the coil to heat the bent portion of the steel wire and to separate the coil from the bent portion of the steel wire after heating do.

To this end, the induction heating unit 30 of the present invention includes a coil portion 31, a high frequency applying portion 32, a high frequency applying portion mounting portion 33, and a guide wire heating sliding cylinder 34 do.

5 and 6) are provided so as to surround the inserted steel wire 1 inserted with the steel wire 1 supplied from the steel wire supplying part 20 and to be bent at the bent part of the steel wire 1 And has a known configuration in the form of a coil.

The high-frequency applying unit 32 (see FIG. 4) is connected to the coil unit 31 to apply a high frequency to the coil unit 31 to heat the coil unit 31.

The high-frequency applying unit 33 (see FIG. 6) is fixed by fixing the high-frequency applying unit 32.

5 and 6) is fixed to one side of the steel wire supplying part 20 to slide the high frequency applying part 33 to slide the high frequency applying part 32. The cylinder 34 The coil section 31 connected to the high frequency applying section 32 is separated from the bent part of the steel wire 1 inserted into the coil section 31 or the coil section 31 is bent To be adjacent to each other.

In order to smoothly bend the bent portion of the steel wire, the induction heating portion 30 draws the piston by the induction heating cylinder 31 for heating the bent portion of the steel wire so as to smoothly bend the steel wire, The high frequency applying section 33 is moved forward by the high frequency applying section 32 and the high frequency is applied to the coil section 31 by the high frequency applying section 32 so that the coil section 31 is bent After heating, the piston is pulled by the induction heating cylinder 32 for the sliding movement, and the high frequency applying portion 33 is moved backward by fixing the high frequency applying portion 32 The coil section 31 is separated from the bent portion of the steel wire.

The clip portion 40 (see FIGS. 7 and 8) is provided at an upper portion inside the main body 10 and serves to clip the steel wire heated by the guide wire heating portion 30. The clip portion 40 (see FIG. 11) is in the form of a pin, and its structure and operation will be described later.

7 and 8) is provided at the bottom of the clip portion 40 and is provided with a steel wire fixed to the clip portion 40 by the rotation of the clip portion 40, So that the grid coupling 2 is manufactured.

The shape of the grid coupling 2 has a ring shape as a whole as in FIG. 1, and has a shape in which the steel wire is alternately bent at an angle of 180 degrees.

7 and 8) is provided in the rotary bending portion 50 located at the lower portion of the clip portion 40 and is provided in the rotary bending portion 50 The bent grid coupling 2 is mounted.

A guide 61 for supporting and guiding the steel wire supplied from the steel wire supplying part 20 is provided at the upper end of the grid coupling mounting part 60 (see FIG. 8). The guide 61 plays a role of supporting the steel wire when the clip unit 40 is lifted as described later, and supports the steel wire even when bending.

7 and 8) is provided in the rotary bending portion 50 and is configured to lift and clip the clip portion 40 to clip the steel wire 1 or to separate the steel wire 1 from the steel wire 1 .

7 and 8) is provided at a lower portion of the rotation bending portion 50 and serves to rotate the rotation bending portion 50. At this time, the rotation driving unit 80 alternately rotates the rotary bending unit 50 by 180 degrees and rotates 180 degrees so that it can be bent into the shape of the grid coupling 2 as shown in FIG.

11), the second pin 42 (see FIG. 11), the pin fixing portion 43 (see FIGS. 7, 8 and 11) And a pin fixing rotary shaft 44 (see Figs. 7 and 8).

The first pin (41) is located adjacent to one side of the steel wire (1).

The second pin (42) is located adjacent to the other side of the steel wire (1).

When the first pin 41 is positioned adjacent to one side of the steel wire 1, the second fin 42 is positioned adjacent to the other side of the steel wire 1. [ On the contrary, when the first pin 41 is positioned adjacent to the other side of the steel wire 1, the second fin 42 is positioned adjacent to one side of the steel wire 1. This is to ensure that it is bent into the shape of the grid coupling 2 as in Fig.

The pin fixing portion 43 serves to fix the first pin 41 and the second pin 42 and the pin fixing portion 43 is rotated by the rotation of the pin fixing portion rotary shaft 44, The position of the pin is determined in order to bend into the shape of the grid coupling 2 as shown in FIG.

The pin fixing unit rotary shaft 44 is connected to the pin fixing portion 43 and is disposed adjacent to one side of the steel wire 1 and adjacent to the other side of the steel wire 1 after the first pin 41 is bent And the pin fixing portion 43 is rotated so that the second pin 42 positioned adjacent to the other side of the steel wire 1 is positioned adjacent to one side of the steel wire 1. [

At this time, to rotate the pin fixing unit rotational shaft 44 automatically, the pin fixing unit rotational shaft rotating unit 100 is adopted.

The pin fixing unit rotating shaft rotating portion 100 includes an interlocking portion 101, a piston 102 for rotating the pin fixing unit rotary shaft, and a cylinder 103 for rotating the pin fixing portion shaft.

The interlocking portion 101 is fixed to the pin fixing portion rotary shaft 44 of the clip portion 40 and is interlockingly rotated.

The pin fixed shaft rotation rotary piston 102 is hinged to one side of the interlocking portion 101 and rotates the interlocking portion 101 by drawing or pulling to rotate the pin fixing rotary shaft 44 .

The cylinder 103 for rotating the pin fixed shaft rotates the piston 102 for rotating the pin fixed shaft.

When the piston 102 for the pin fixing unit rotary shaft is pulled out by the pin fixing unit rotary shaft rotating cylinder 103, the pin fixed shaft rotating shaft 44 is fixed to the pin fixing unit rotary shaft 44 of the clip unit 40, When the piston 102 for the pin fixing unit rotary shaft is pulled by the cylinder 103 for rotating the pin fixing unit rotary shaft, the pin fixing unit rotary shaft 44 of the clip unit 40 is rotated, And the interlocking portion 101 is rotated in the other direction. When the linkage portion 101 is rotated, the pin fixing portion rotation shaft 44 is rotated, the pin fixing portion 43 connected to the pin fixing portion rotational axis 44 is rotated, and the pin fixing portion 43 is rotated, So that the first pin 41 and the second pin 42 fixed to the first pin 41 are rotated. The positions of the first pin 41 and the second pin 42 are determined by the rotation.

When the rotary bending portion 50 is rotated by the rotation driving portion 80, the steel wire 1 fixed by the clip portion 40 is bent. In the outer peripheral direction of the ring-shaped grid coupling 2, And one of the steel wires positioned at the same position as the axial direction of the grid coupling 2 and the steel wire adjacent thereto are to be bent so as to be spaced apart from each other by a certain distance (defined as pitch and corresponding to the reference symbol P in FIG. 1).

For this purpose, it is necessary to bend the clip portion 40 by rotating the clip portion 40 by a distance of one pitch when the steel wire 1 is bent by the rotation of the rotary bending portion 50.

The clip portion 40 is rotated to bend the clip portion 40 by a distance of one pitch at the time of bending the steel wire 1 by the rotation of the rotation bending portion 50 .

The grid coupling mounting portion 60 includes a grid coupling mounting portion fixing shaft 62 that is formed in the rotary bent portion 50 in the same direction as the feeding direction of the steel wire 1 of the steel wire supplying portion 20, .

The clip portion elevating and lowering portion 70 includes a first cylinder 71 and a first cylinder fixing bracket 72. The clip portion elevating portion 70 includes a clip portion elevating portion rotating bracket 111 and a clip portion rotating cylinder And a clip portion turning portion 110 including the clip portion turning portion 112.

The first cylinder 71 is connected to the pin fixing unit rotary shaft 44 to move the pin fixing unit rotary shaft 44 up and down to raise and lower the pin fixing unit 43 connected to the pin fixing unit rotary shaft 44, The first pin 41 and the second pin 42 fixed to the pin fixing portion 43 are moved up and down to make the first pin 41 and the second pin 42 adjacent to the steel wire 1 And separates it from the steel wire 1.

The first cylinder fixing bracket 72 is provided on the grid coupling mounting part 60 and the first cylinder 71 is fixed.

The clip portion turning portion 110 includes the clip portion elevating portion rotating bracket 111 and the clip portion rotating cylinder 112.

The clip portion elevating portion rotating bracket 111 is fixed to the first cylinder fixing bracket 72 located on both sides in the same direction as the feeding direction of the steel wire 1 of the steel wire supplying portion 20, And is hinged to both ends of the fixed shaft 62 to rotate the first cylinder fixing bracket 72 about the fixed shaft 62 of the grid coupling mounting part.

The clip portion rotating cylinder 112 is hinged to the rear portion of the rotational bending portion 50 and installed at an upper portion thereof. When the grid bending portion is bent by rotation of the rotational bending portion 50, the first cylinder fixing bracket The clip portion 40 is rotated in the circumferential direction of the grid coupling by the clip portion elevating portion turning bracket 111 which is connected to the grid portion 42 and is hinged to the grid coupling portion fixing shaft 62 by a sliding motion, As shown in Fig.

The operation of the clip portion 40 when bending the steel wire 1 will be described as follows.

When the piston 102 for the pin fixing unit rotary shaft is pulled out by the pin fixing unit rotary shaft rotating cylinder 103, the pin fixed shaft rotating shaft 44 is fixed to the pin fixing unit rotary shaft 44 of the clip unit 40, And the pin fixing portion 43 connected to the pin fixing portion 43 is rotated so that the pin fixing portion 44 is rotated The position of the first pin 41 and the second pin 42 is determined by rotating the first pin 41 and the second pin 42 fixed to the second pin 43.

When the positions of the first pin 41 and the second pin 42 are determined, the pin fixing portion rotational shaft 44 is lowered by the piston withdrawal of the first cylinder 71, The first pin 41 and the second pin 42 fixed to the first and second pins 43 and 43 are adjacent to the steel wire 1 (see FIG. 7). In this state, when the rotary bending portion 50 is rotated by the rotation driving portion 80, the first pin 41 and the second pin 42 of the clip portion 40 cause the steel wire 1 It is bent. At this time, in order to bend the clip portion 40 by a distance of one pitch, the piston portion of the clip portion rotating cylinder 112 is hinged to the grid shaft portion fixing shaft 62 The clip portion elevating portion turning bracket 111 is rotated in the circumferential direction of the grid coupling (see Figs. 9 and 10).

When the clip portion elevating portion rotating bracket 111 is rotated, the clip portion elevating portion rotating bracket 111 is fixed to the first cylinder fixing bracket 72. Therefore, (72) is also rotated together with the clip portion elevating portion rotating bracket (111). Also, since the first cylinder 71 is connected to the pin fixing unit rotary shaft 44, the first cylinder 71 fixed to the first cylinder fixing bracket 72 is interlocked and rotated. Since the pin fixing portion rotary shaft 44 is connected to the pin fixing portion 43 of the clip portion 40, the first pin 41 and the second pin 42 ). Since the clip portion 40 is rotated by the rotation of the clip portion elevating portion rotating bracket 111, the clip portion 40 can be bent while being rotated by a distance of one pitch.

When the bending in one direction is completed, the pin fixing portion rotary shaft 44 is lowered by the piston pulling of the first cylinder 71 to bend in the opposite direction, The pin 41 and the second pin 42 are separated from the steel wire 1 (refer to FIG. 7).

In addition, since the clip portion elevating portion rotating bracket 111 is rotated in the circumferential direction of the grid coupling, in order to return to the original position, the piston of the clip portion rotating cylinder 112 is pulled out by the piston, The clip portion elevating portion rotating bracket 111 hinged to the secondary securing shaft 62 is rotated in the opposite direction (see Figs. 9 and 10).

In order to bend in the opposite direction, the pin fixing unit rotary shaft 44 is rotated to rotate the first pin 41 and the second pin 42 in the opposite direction, When the pin fixed shaft rotating shaft returning piston 102 is pulled by the pin fixing shaft rotating shaft 103, the interlocking portion 101 fixed to the pin fixing shaft rotational shaft 44 of the clip portion 40 and rotated together is rotated in one direction, The pin fixing portion 43 rotates to rotate the pin fixing portion 43 fixed to the pin fixing portion 43 to rotate the pin fixing portion rotating shaft 44 fixed to the linking portion 101 The pin 41 and the second pin 42 are rotated in opposite directions to determine the positions of the first pin 41 and the second pin 42 for bending in the opposite direction.

The projection portion 101a is provided on the opposite side of the interlocking portion 101 to which the pin fixing portion rotary shaft 44 of the clip portion 40 is fixed and is fixed to the first cylinder fixing bracket 72, It is preferable that a stopper 104 is provided which is located on the inner side and restricts the rotation by contacting the protrusion 101a when the interlocking part 101 rotates.

When the interlocking portion 101 is rotated by the piston pulling and pulling out of the pin fixing rotary shaft rotation cylinder 103 hinged to one side of the interlocking portion 101, The rotation angle of the first pin 41 and the second pin 42 fixed to the pin fixing portion 43 of the clip portion 40 can be limited by restricting the rotation angle of the second pin 101. [ At this time, the stopper 104 can be used by replacing a plurality of spaced distances according to the size of one pitch of the grid coupling 2.

The rotary drive unit 80 can rotate the rotary bending unit 50 using a motor. However, when the motor is used, a large load is generated at the time of bending the steel wire.

The rotation driving part 80 includes a driving rotation shaft 81, a gear part 82, a rack part 83, and a rack part feeding cylinder 84.

The driving rotary shaft (81) is coupled to the lower portion of the rotary bending portion (50).

The gear portion 82 is provided on the driving rotary shaft 81 and is interlocked with the driving rotary shaft 81.

The rack portion 83 is engaged with the gear portion 82.

The rack transfer cylinder 84 is connected to the rack 83 to reciprocate the rack 83 by sliding movement.

At this time, the rotation driving unit 80 alternately rotates the rotary bending unit 50 by 180 degrees so as to be bent into the shape of the grid coupling 2 as shown in FIG.

A cylindrical cover 85, in which the gear portion 82 is received, is coupled to the outside of the driving rotary shaft 81.

The control unit 90 provided on the other side of the main body 10 includes a guide portion 30, a clip portion 40, a rotary bending portion 50, a clip portion elevating portion 70, a rotation driving portion 80, Control operation.

The technical idea should not be interpreted as being limited to the above-described embodiment of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Accordingly, such modifications and changes are within the scope of protection of the present invention as long as it is obvious to those skilled in the art.

1: Steel wire 2: Grid coupling
10: Main body 20: Steel wire supply part
30: induction heating part 31: coil part
32: high frequency applying part 33: high frequency applying part
34: Cylinder for induction heating and humidification
40: clip portion 41: first pin
42: second pin 43: pin fixing portion
44: Pin fixing shaft
50:
60: Grid coupling mount 61: Guide
62: Grid coupling mounting base Fixing axis
70: Clip portion elevating portion 71: First cylinder
72: first cylinder fixing bracket
80: rotation driving part 81:
82: gear portion 83: rack portion
84: Load transfer cylinder
90:
100: pin fixing portion rotating shaft rotating portion 101:
101a: projecting portion 102: pin retaining portion Piston for rotary shaft rotation
103: Pin fixing cylinder for rotating the rotary shaft 104: Stopper
110: clip part turning part 111: clip part elevation part rotating bracket
112: Cylindrical rotating cylinder

Claims (7)

A main body 10;
A steel wire supplying part (20) for supplying the steel wire (1) to the main body (10);
An induction heating unit 30 provided in the main body 10 and heating a portion to be bent of the steel wire supplied from the steel wire supplying unit 20;
A clip portion 40 provided on the upper inside of the main body 10 to clip the steel wire heated by the guide glowing portion 30;
A rotary bending portion (not shown) provided at the lower portion of the clip portion 40 to bend a steel wire fixed to the clip portion 40 by rotation and fixing the clip portion 40, 50);
A grid coupling mount (60) provided on the rotary bending portion (50) located under the clip portion (40) and on which the bent grid coupling (2) is mounted;
A clip portion elevating portion 70 provided on the rotary bending portion 50 and lifting the clip portion 40 to clip or separate the steel wire 1 from the steel wire 1;
A rotation driving unit 80 provided below the rotation bending unit 50 and rotating the rotation bending unit 50;
And a plurality of grid-coupling-forming devices. 2. The apparatus according to claim 1, wherein the clip portion (40)
A first pin (41) positioned adjacent to one side of the steel wire (1)
A second pin (42) located adjacent to the other side of the steel wire (1)
A pin fixing portion 43 for fixing the first pin 41 and the second pin 42,
And the second pin 42 is connected to the pin fixing portion 43 so that the first pin 41 is positioned on the other side of the steel wire 1 and the second pin 42 is positioned on one side of the steel wire 1. [ And a pin fixed shaft (44) rotating the shaft (43). 3. The method of claim 2,
An interlocking portion 101 fixed to the pin fixing portion rotary shaft 44 of the clip portion 40 and rotated in conjunction therewith,
A pin fixing shaft 102 for rotating the pin fixing unit rotation shaft 44 by hinging the one end of the linking unit 101 and rotating the linking unit 101 by drawing or pulling,
And a pin fixed shaft rotating shaft (100) including a pin fixed shaft rotating shaft return cylinder (103) for sliding the pin fixed shaft rotating shaft return piston (102). Device. The method according to claim 2 or 3,
The grid coupling mounting portion 60 is provided with a grid coupling mounting portion fixing shaft 62 that is formed in the rotary bent portion 50 in the same direction as the feeding direction of the steel wire 1 of the steel wire supplying portion 20 ,
The clip portion elevating and lowering portion 70 is connected to the pin fixing portion rotary shaft 44 so as to move the pin fixing portion rotary shaft 44 up and down to lift the pin fixing portion 43 connected to the pin fixing portion rotary shaft 44 The first pin 41 and the second pin 42 which are fixed to the pin fixing portion 43 are moved up and down to move the first pin 41 and the second pin 42 to the vicinity of the steel wire 1 And a first cylinder fixing bracket 72 which is provided on the grid coupling mounting part 60 and is fixed to the first cylinder 71 Lt; / RTI >
The first and second cylinder fixing brackets 72 and 72 are fixed to the first cylinder fixing bracket 72 located at both sides in the same direction as the feeding direction of the steel wire 1 of the steel wire feeding part 20, A clip portion elevating portion rotating bracket 111 for rotating the first cylinder fixing bracket 72 about the grid coupling mounting portion fixing shaft 62 and a hinge portion And is connected to the first cylinder fixing bracket 72 at the time of bending the grid coupling by rotation of the rotary bending portion 50 and is fixed to the grid coupling mounting portion fixing shaft 62 And a clip portion rotating cylinder (112) for rotating the clip portion (40) by rotating the clip portion elevating portion rotating bracket (111) which is hinged and fixed in the circumferential direction of the grid coupling, (110 And a plurality of grooves formed in the first and second grooves. The induction heating device according to claim 2, wherein the induction heating portion (30)
A coil-shaped coil part 31 installed to surround the inserted steel wire 1 inserted with the steel wire 1 supplied from the steel wire supplying part 20 and heating a part to be bent of the steel wire 1,
A high frequency applying unit 32 connected to the coil unit 31 to apply a high frequency to the coil unit 31 to heat the coil unit 31,
A high-frequency applying unit (33) to which the high-frequency applying unit (32) is fixed and fixed,
The high frequency applying portion 33 is fixed to one side of the steel wire supplying portion 20 to slide the high frequency applying portion 32 so that the coil portion 31 connected to the high frequency applying portion 32 is inserted into the coil portion (34) for separating the coil section (31) from the part to be bent of the steel wire (1) inserted into the coil section (31) or bringing the coil section (31) Wherein the first and second grooves are formed in the first and second grooves. 4. The apparatus according to claim 3, wherein the rotation driving unit (80)
A driving rotary shaft 81 coupled to a lower portion of the rotary bending portion 50,
A gear portion 82 provided on the driving rotary shaft 81 and interlocked with the driving rotary shaft 81,
A rack portion 83 which is engaged with the gear portion 82,
And a rack portion transfer cylinder (84) connected to the rack portion (83) and reciprocatingly transferring the rack portion (83) by sliding movement. The method of claim 3,
And a guide (61) for guiding and guiding the steel wire supplied from the steel wire supplying part (20) from both sides is provided at the upper end of the grid coupling mounting part (60).
KR1020150113210A 2015-08-11 2015-08-11 Grid Coupling Forming Machine KR101561998B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102241977B1 (en) * 2020-08-10 2021-04-19 (주)에이텍 Grid coupling manufacturing device that ensures precision of banding and concentricity dimensions
KR20220063461A (en) * 2020-11-10 2022-05-17 삼성메카닉스 (주) Grid Coupling Molding Device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002143962A (en) 2000-11-08 2002-05-21 Mitsubishi Steel Mfg Co Ltd Coil spring manufacturing apparatus
KR101132332B1 (en) 2010-02-22 2012-04-05 주식회사 우창카플링 Coupling grid manufacturing device
JP2015077631A (en) 2013-10-18 2015-04-23 日本発條株式会社 Spring molding device and method for molding spring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002143962A (en) 2000-11-08 2002-05-21 Mitsubishi Steel Mfg Co Ltd Coil spring manufacturing apparatus
KR101132332B1 (en) 2010-02-22 2012-04-05 주식회사 우창카플링 Coupling grid manufacturing device
JP2015077631A (en) 2013-10-18 2015-04-23 日本発條株式会社 Spring molding device and method for molding spring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102241977B1 (en) * 2020-08-10 2021-04-19 (주)에이텍 Grid coupling manufacturing device that ensures precision of banding and concentricity dimensions
KR20220063461A (en) * 2020-11-10 2022-05-17 삼성메카닉스 (주) Grid Coupling Molding Device
KR102408221B1 (en) 2020-11-10 2022-06-13 삼성메카닉스 (주) Grid Coupling Molding Device

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