WO2016159704A1

WO2016159704A1 - Coil spring manufacturing apparatus using fine wire

Info

Publication number: WO2016159704A1
Application number: PCT/KR2016/003376
Authority: WO
Inventors: 편천범
Original assignee: 편천범
Priority date: 2015-04-03
Filing date: 2016-04-01
Publication date: 2016-10-06
Also published as: KR101567298B1

Abstract

The present invention relates to a coil spring manufacturing apparatus using a fine wire, the apparatus comprising: a loading unit in which a wound wire is installed in order to manufacture a spring; a feeding unit that presses and feeds the wound wire in the loading unit using two roller shafts in order to shape the wound wire into a spring; a shaping unit that shapes the wire, which has been fed through the feeding unit, into a coil spring; a cutting unit that cuts one side of the wire that has been shaped into the coil spring by the shaping unit; a control unit that automatically controls manufacturing the spring through the feeding unit and the cutting unit; and an output unit that receives information from the control unit and outputs the received information on a screen, the output unit being formed such that a user is capable of manually controlling the output unit.

Description

Coil Spring Processing Equipment Using Micro Wire

The present invention relates to a coil spring processing apparatus using a micro wire, and more particularly, to a coil spring processing apparatus using a micro wire to automatically process and cut a spring using a micro wire having a very small diameter. .

In general, a spring is a mechanical element that absorbs and accumulates energy by using elastic deformation of an object to act as a buffer, and is used in machines, devices, and structures because of its various uses.

Springs come in a variety of forms, of which coil springs are coils made of thin rods coiled to form coils. Coil springs made of ultra fine wires act as cushions in semiconductor processes or small electronic devices such as solenoid valves. It is inserted inside and used.

Korean Patent Registration No. 10-0461686 relates to a method and apparatus for forming a linear spring, wherein three or more forming tools are arranged radially around the centerline of the quill for guiding the linear material. A device for forming a linear spring, which is advanced in the direction of extension of the centerline of a vertical or generally vertical quill, wherein the forming tool impinges against the linear material supplied from the tip end of the quill. First driving means for rotating the turntable securing the respective track rails with respect to the forward and backward moving slide units having the forming tool, in the direction of extension of the center line of the generally vertical quill, in the direction of extension of the center line of the quill Radially around the centerline of the quill outside the turntable to advance and retract the slide unit And a third supply means for supplying a linear material from the tip end of the quill, the second driving means having a number equal to or greater than the number of the slide units, wherein the first driving means and the second driving means comprise the first driving means. A method and apparatus for forming a linear spring, characterized in that it is controlled in synchronism with the three drive means.

This arrangement simplifies the preparation work for the production of linear springs, since the single or plural forming tools most suitable for the formation of linear springs are advanced in the most suitable direction for the formation of linear materials to perform good molding of the linear springs. This not only saves time, is very easy, saves time for preparation work, but also simplifies technical elements or steps for preparation work.

However, in the case of the prior art as described above, there is a problem in that the apparatus to be manufactured has to use a plurality of servo motors, so that the equipment is expensive and a numerical control unit for controlling the quantity used by each servo motor is installed.

In addition, in the case of the prior art as described above, since the numerical control is performed, it is inconvenient to modify it by changing the design value such as the thickness of the wire and the spring pitch.

An object of the present invention for solving the above problems is to provide a coil spring processing apparatus using a fine wire wire easy to use and high production speed to simplify the process by minimizing the parts required for processing.

Another object of the present invention is to provide a coil spring processing apparatus using a micro wire that is easy to operate and automatically produced using a control device capable of automatic control.

Another object of the present invention is to provide a coil spring processing apparatus using a fine wire to enable automatic production by changing easily without wire and electrical correction when the wire diameter is changed.

Coil spring processing apparatus using a micro wire of the present invention for solving the above problems is to load the wire wound is installed for processing the spring, and to process the wound wire wound on the loading in a spring shape An input part pressurized by two roller shafts, a processing part for processing the wire injected through the input part into a coil spring shape, a cutting part for cutting one side of the wire processed in the coil spring shape by the processing part; And an output unit configured to automatically control the spring processing through the input unit and the cutting unit, and an output unit configured to receive the information of the controller and output the screen, and to be manually controlled by the user.

In addition, the processing unit of the coil spring processing apparatus using a micro wire of the present invention is characterized in that the pitch adjusting device is further included to adjust the pitch of the coil spring.

In addition, the feeding portion of the coil spring processing apparatus using the ultra-fine wire of the present invention can be used to replace the wire guide roller and the wire guide roller to the wire shaft outer peripheral surface in accordance with the wire diameter of the wire diameter guide roller It characterized in that it further comprises a wire diameter guide block is installed on both sides.

In addition, the roller of the input portion of the coil spring processing apparatus using a fine wire of the present invention is characterized in that it further comprises a pressure adjusting device for adjusting the height of the roller to press the wire according to the thickness of the wire diameter.

In addition, the control unit of the coil spring processing apparatus using a micro wire of the present invention is characterized in that the automatic control using a PLC or MCU.

In addition, the input portion and the cutting portion of the coil spring processing apparatus using a micro wire of the present invention is characterized in that for supplying power using a servo motor or a step motor.

As described above, according to the coil spring processing apparatus using a micro wire in accordance with the present invention by minimizing the parts required for processing to simplify the process there is an effect that is easy to use and increase the production speed.

In addition, according to the coil spring processing apparatus using a micro wire in accordance with the present invention has an effect that is easy to operate and automatically produced using a control device capable of automatic control.

According to the coil spring processing apparatus using the ultra-fine wire according to the present invention, when the wire diameter is changed, there is an effect that it is possible to easily change the automatic production without electrical and electronic correction.

1 is a perspective view showing the overall appearance of a coil spring processing apparatus using a micro wire in accordance with the present invention.

Figure 2 is a perspective view showing a combined state of the input portion of the coil spring processing apparatus using a micro wire in accordance with the present invention.

Figure 3 is a perspective view showing a part of the closing portion of the coil spring processing apparatus using a micro wire in accordance with the present invention.

Figure 4 is an enlarged perspective view of A of Figure 3 showing a coil spring processing apparatus using a micro wire in accordance with the present invention.

Figure 5 is a perspective view showing the inside of the input portion of the coil spring processing apparatus using a micro wire in accordance with the present invention connected to the power unit.

Figure 6 is a perspective view showing a combined state of the processing unit of the coil spring processing apparatus using a micro wire in accordance with the present invention.

Figure 7 is an enlarged perspective view of B of Figure 6 showing a coil spring processing apparatus using a micro wire in accordance with the present invention.

Figure 8 is a perspective view showing a state in which the cut portion of the coil spring processing apparatus using a micro wire in accordance with the present invention is coupled.

Figure 9 is a perspective view showing an internal view of the pressurizing device of the coil spring processing apparatus using a micro wire in accordance with the present invention is connected to the power unit.

Specific features and advantages of the invention will now be described in detail with reference to the accompanying drawings. Prior to this, when it is determined that the detailed description of the function and its configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

The present invention relates to a coil spring processing apparatus using a micro wire, and more particularly, to a coil spring processing apparatus using a micro wire to automatically process and cut a spring using a micro wire having a small diameter.

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

As shown in FIG. 1, the coil spring processing apparatus using the ultrafine wire 10 according to the present invention includes a stacking unit 100 on which a wire wound up for processing a spring is installed, and a coil wound around the stacking unit. In order to process the wire into the spring shape by the two roller shafts to insert the input portion 200, and the processing unit 300 for processing the wire introduced through the input portion 200 into a coil spring shape, Cutting unit 400 for cutting one side of the wire processed in the coil spring shape by the processing unit 300, and a control unit for automatically controlling the spring processing through the injection unit 200 and the cutting unit 400 (not shown) And an output unit 500 which receives the information from the control unit and outputs it to the screen, and is configured to be manually controlled by the user.

The loading unit 100 is a circular plate (not shown) formed to load the micro wire bundles 11 and a fixed shaft (not shown) formed at the center of the circular plate to fix the micro wire bundles 11. Consists of. When the fine wire (10) is injected by the input unit 200, the fine wire bundle (11) is rotated, so a ball bearing is installed in the lower part of the circular plate, the fine wire bundle (11) is stopped by the friction force during the rotation, the fine It is necessary to prevent the wire wire 10 from breaking.

The output unit 500 serves to deliver information to the user by outputting the information being processed by the control unit through the screen, and using the operation button formed on the output unit 500 or touching the screen of the output unit 500. It can also be configured so that the user can set the model, length, quantity, etc. required for processing.

Figure 2 is a perspective view showing the combined state of the input unit of the coil spring processing apparatus using a micro wire 10 according to the present invention, Figure 3 is a part of the input portion of the coil spring processing apparatus using a micro wire wire according to the present invention. Is a perspective view showing separately.

As shown in Figures 2 to 3, the inlet 200 of the coil spring processing apparatus using a micro wire 10 according to the present invention is a wire guide roller 222 and a roller for pressing the upper and lower side of the wire Shaft guide block 210 for directing the shaft 221, the fine wire wire 10 to go straight toward the processing unit 300, and block fixing block 211 for fixing the wire guide block 210 And a fixed block 230 positioned at the other end of the wire diameter guide block 210 to fix the wire when the wire is cut, and a fixed block holder 231 fixed to prevent the fixed block 230 from moving. .

The ultra fine wire 10 is moved by the wire guide roller 222 formed on the roller shaft 221 and then moved toward the processing part 300 when the roller shaft 221 rotates. The guide block 210 and the wire diameter guide roller 222 can be replaced.

Figure 4 is an enlarged perspective view showing a coil spring processing apparatus using a micro wire in accordance with the present invention as shown in Figure 4, a wire guide block 210 and a wire guide located in the lower portion as shown in FIG. The roller 222 is characterized in that the guide groove 240 is formed.

Since the groove diameter guide block 210 and the diameter guide roller 222 formed on the upper side have no groove, the guide groove 240 formed on the lower diameter guide block 210 has a fine wire 10 and a guide groove ( 240) It should be formed so as not to be exposed to the outside, and in the case of the wire guide roller 222 should be formed so as not to be deeper than the guide groove 240 of the wire guide block 210, because the fine wire 10 must be pressed from the upper and lower side. do. That is, referring to FIGS. 2 to 4, the wire diameter guide block formed on the upper side is defined as an upper wire diameter guide block, and the wire diameter guide roller formed on the upper side is defined as an upper wire diameter guide roller. In addition, the wire diameter guide block formed on the lower side is defined as a lower wire diameter guide block, and the wire diameter guide roller formed on the lower side is defined as a lower wire diameter guide roller. Looking at the structure of the wire guide roller and the wire guide block in more detail, the wire guide roller includes an upper wire guide roller and a lower wire guide roller for pressing the upper and lower portions of the wire, respectively. In addition, the wire diameter guide block, the upper wire diameter guide block and the lower wire diameter guide block for providing a path for the wire to move to the processing portion, respectively pressing the upper side and the lower side. At this time, a guide groove into which the wire is inserted is formed in the lower wire guide block and the lower wire guide roller, and the guide groove formed in the lower wire guide block is formed to a first depth where the wire is not exposed to the outside, and the lower wire guide roller is The guide groove formed in the second groove is formed to a second depth shallower than the first depth, the wire inserted into the guide groove is pressed by the upper wire guide roller.

The wire diameter guide block 210 is installed on both sides of the wire diameter guide roller 222 at intervals so as not to interfere with the wire diameter guide roller 222, and the fine wire 10 is pressed by the wire diameter guide roller 222, and then the roller. The shaft 221 is to be rotated to be moved. The lower diameter guide block includes a first lower diameter guide block and a second lower diameter guide block disposed at both sides of the lower diameter guide roller at a predetermined interval, and the wire is first lowered when the lower diameter guide roller is rotated forward. It moves in the direction of the 2nd lower diameter guide block from the diameter guide block.

The fine wire wire 10 moved by the wire guide roller 222 is moved to the wire guide block 210 again to the pressing portion, the cutting portion 400 at the end of the wire guide block 210 in the direction of the pressing portion The fixed block 230 for fixing and holding the wire is formed when cutting the fine wire 10 in the).

FIG. 5 is a perspective view illustrating an internal view of an input unit 200 of the coil spring processing apparatus using the micro wire 10 according to the present invention connected to a power unit, and as illustrated in FIG. 5. The formed roller shaft 221 further includes a pressure regulating device 220 that can be rotated by the input unit power unit 250 and adjust the position of the wire guide roller 222 formed on the upper side.

The pressure regulating device 220 is configured in the form of a micrometer and when the user rotates the pressure adjusting device 220 is moved toward the lower or upper direction. The shock absorber 223 in the lower direction is compressed or relaxed by the pressure regulator 220 to adjust the height of the upper diameter guide roller 222, the upper diameter guide roller 222 to the pressure regulator 220. By pressing the lower wire guide roller 222 and the ultra fine wire 10.

In addition, the pressure regulating device 220 is marked so that the scale is marked so as to determine the distance to move or install a separate encoder sensor to determine the current position and the position to be output through the output unit 500 You may.

The input power unit 250 is driven by receiving a signal from the control unit, and the roller shaft 221 is rotated and pressed by the gear 251 coupled to the input unit power unit 250 and the roller shaft 221. The wire wire 10 is moved toward the machining part 300.

Since the correct length should be input when the coil spring is processed, the input power unit 250 should rotate the roller shaft 221 so that the controller fits the spring processing length by using a servo motor or a step motor.

As shown in FIG. 6, the processing unit 300 of the coil spring processing apparatus using the micro wire 10 according to the present invention includes a diameter adjusting tip 310 for processing the micro wire 10 in a spring form. Composed of a tip coupling device 320 for fixing the diameter adjusting tip 310 so as not to move, and the pitch adjusting device 330 formed to move toward the input portion 200 or to move in the opposite direction of the input portion 200. It is.

In the case of the pitch adjusting device 330 is configured to adjust the pitch of the spring to be processed by moving the diameter adjusting tip 310 and the tip coupling device 320 in the inlet 200 direction or in the opposite direction.

The pitch adjusting device 330 is configured in the form of a micrometer, and the tip coupling device 320 is moved along the screw thread when the pitch adjusting device 330 is rotated by being combined with the tip coupling device 320 and the ball screw shape. It can be done.

In addition, the pitch adjusting device 330 is marked so that the scale is marked to be formed to determine the moving distance or to install a separate sensor to determine the current position and the moving position to be output through the output unit 500. It may be.

7 is an enlarged perspective view of B of FIG. 6 illustrating a coil spring processing apparatus using a micro wire according to the present invention.

As shown in FIG. 7, the fine wire 10 moved to the processing part 300 via the input part 200 is introduced into the diameter adjusting tip 310 having the end formed in a semicircular shape, and the semicircular shape. It is machined into a coil spring shape while rotating along it.

The user can easily produce a coil spring by removing the diameter adjusting tip 310 to change the diameter of the coil spring and then replacing the diameter adjusting tip 310 formed in a semicircle of another size.

In addition, to adjust the pitch of the coil spring by using a pitch adjusting device 330 coil spring by reducing or opening the gap between the fine wire 10 and the diameter adjusting tip 310 discharged from the inlet 200. The pitch can be adjusted.

As shown in FIG. 8, the cutting part 400 of the coil spring processing apparatus using the ultrafine wire 10 according to the present invention has a cutting blade 410 for cutting the ultrafine wire 10 processed into a coil spring shape. And, by cutting the cutting blade 410 and the cutting blade holder 420 having a rotating shaft 421 to rotate in the direction of the injection unit 200, the cutting blade guide 420 by pressing the injection unit 200 direction Pressing device 440 for rotating the rotation, the elastic body (not shown) to return the rotated cutting blade holder 420 to the original position, and the cutting blade holder 420 due to the elastic body in the opposite direction of the inlet 200 It is composed of a departure prevention bar 430 to prevent the rise by more than a predetermined amount.

When the micro wire 10 is processed in the form of a coil spring by the processing unit 300, the pressing device 440 rotates to press the cutting blade holder 420 downward, and the cutting blade holder 420 is pressurized. By the device 440 is rotated in the direction of the inlet 200 with respect to the rotation axis 421, the cutting blade 410 is pressed to cut the fine wire 10.

Figure 9 is a perspective view showing the inside of the pressurization device of the coil spring processing apparatus using a micro wire in accordance with the present invention is connected to the power unit.

As shown in FIG. 9, the pressing device 440 of the coil spring processing device using the micro wire 10 according to the present invention includes a pressing device shaft 446 formed to rotate the pressing device 440. The cutting unit power unit 441 formed therein to transmit the driving force and the cam gear 442 is formed, and a roller is formed at one side to interact with the cam gear 442, and the link 444 at the other side. Is coupled to the cam block 443, and one side of the link 444 is coupled to the vertical movement and the other side is composed of a rotary block 445 is rotated in combination with the pressing device shaft 446.

When the machining is completed with the coil spring using the ultra fine wire 10, the cutting unit power unit 441 moves to rotate the cam gear 442, and the cam gear 442 is a roller of the cam block 443 located below. The cam block 443 rotates about the cam block rotation shaft 447.

As the cam block 443 rotates in the lower direction, the link 444 coupled to the cam block 443 makes a linear motion, and the rotating block 445 coupled with the link 444 moves toward the lower cam block 443. By rotating the pressing device shaft 446 coupled with the rotary block 445 is rotated.

The pressurizing device 440 coupled with the pressurizing device shaft 446 also rotates accordingly and presses the cutting blade holder 420 while rotating to cut the ultra-fine wire 10 located in the inlet 200 and the camshaft. This further rotation does not press the roller, by being rotated toward the upper direction back to the original position by the elastic body (not shown) located under the cam block 443, the pressing device 440 cutting blade holder 420 Will no longer press and will rotate to the initial position.

Since the pressurizing device 440 has to cut the micro wire 10 at a time, the cutting unit power unit 441 should use the servomotor or the stepper motor to allow the cam gear 442 to stop after exactly one revolution. do.

In addition, the control unit is characterized by using a programmable logic controller (PLC) or a microcontroller unit (MCU) in order to make the coil spring processing apparatus using the micro wire (10) by automatic control.

When controlled using a programmable logic controller (PLC) or microcontroller unit (MCU), the input, processing, and cutting of the fine wire 10 may be automatically performed in a series of steps, and using the output unit 500. Since it is possible to modify various data or to automatically generate quantity, model, and processing data, there is an advantage that even a non-skilled person can easily produce a product.

In addition, if the power control device is also installed in the pitch adjusting unit and the pressure adjusting device 220, the wire guide roller 222 can be automatically adjusted in height according to the thickness of the wire diameter, and if the desired pitch is input to the output unit 500, the processing unit The position of 300 may be moved by a corresponding value to be automatically adjusted.

As described above, according to the coil spring processing apparatus using a micro wire in accordance with the present invention by using a control device that is easy to use, increased production speed, automatic control by minimizing the parts necessary for processing to simplify the process It is easy to operate and can be produced automatically, and when the wire diameter is changed, it can be easily changed without electrical or electronic correction to enable automatic production.

As described above, the present invention has been described with reference to the preferred embodiments, but various modifications of the present invention can be made without departing from the spirit and scope described in the claims of the present invention by those skilled in the art. Can be modified or modified. Therefore, the scope of the invention should be construed by the claims described to include examples of many such variations.

Claims

Loaded portion is installed wire wound to process the spring; And

An injection unit for pressing and feeding the wound wire wound on the loading unit by two roller shafts to process the wound wire;

A processing unit for processing the wire introduced through the input unit into a coil spring shape; and

Cutting part for cutting one side of the wire processed in the coil spring shape by the processing unit; And

A control unit for automatically controlling the spring processing through the input unit and the cutting unit; And

And an output unit configured to receive information from the controller and output it to a screen and be manually controlled by a user.

The feeding portion, the wire guide roller that can be used to replace the outer peripheral surface of the roller shaft according to the wire diameter; And a wire guide block installed on both sides of the wire guide roller so that the wire can be introduced toward the wire guide roller.

The wire guide roller includes an upper wire guide roller and a lower wire guide roller for pressing the upper side and the lower side of the wire, respectively.

The wire diameter guide block includes a top wire diameter guide block and a lower wire diameter guide block for providing a path through which the wire moves to the processing part, respectively, for pressing the upper side and the lower side of the wire,

The lower wire guide block and the lower wire guide roller are formed with a guide groove into which a wire is inserted,

Guide grooves formed in the lower wire guide block is formed to a first depth that the wire is not exposed to the outside,

The guide groove formed in the lower wire guide roller is formed to a second depth shallower than the first depth, characterized in that the wire inserted into the guide groove is pressed by the upper wire guide roller,

The processing unit,

Diameter adjusting tip for processing the wire in the form of a spring; And a pitch adjusting device, wherein the diameter adjusting tip is formed in a semi-circular shape so that the wire is rotated along the semi-circular structure while being processed into a spring shape.

When the pitch adjustment device is rotated, the diameter adjustment tip is moved in the direction of the input portion or the opposite direction by adjusting the pitch of the spring processed in the diameter adjustment tip, the diameter adjustment tip can be replaced according to the diameter of the spring The wire diameter guide roller and the wire diameter guide block are configured to be replaceable according to the wire diameter of the wire.

Coil spring processing device using ultra fine wire.
The method of claim 1,

And a pressure regulating device capable of adjusting the height of the upper wire guide roller to pressurize the wire according to the wire diameter.

The height of the upper wire guide roller is adjusted while the buffer device at the bottom of the pressure regulating device is compressed or relaxed according to the rotation of the pressure regulating device.

The lower wire diameter guide block includes a first lower wire diameter guide block and a second lower wire diameter guide block disposed at both sides of the lower wire diameter guide roller at a predetermined interval, and the wire is rotated when the lower wire diameter guide roller is rotated forward. The first lower diameter guide block is characterized in that it moves in the direction of the second lower diameter guide block

Coil spring processing device using ultra fine wire.
The method of claim 1,

The control unit is characterized in that the automatic control using a PLC or MCU

Coil spring processing device using ultra fine wire.
The method of claim 1,

The input unit and the cutting unit is characterized in that for supplying power using a servo motor or step motor

Coil spring processing device using ultra fine wire.