KR20150047227A

KR20150047227A - A forming machine of auxiliary coil spring for vacuum deposition coil

Info

Publication number: KR20150047227A
Application number: KR1020130127028A
Authority: KR
Inventors: 한재욱; 손상일
Original assignee: 케이비엠 주식회사
Priority date: 2013-10-24
Filing date: 2013-10-24
Publication date: 2015-05-04

Abstract

The present invention relates to a device to form a sub spring for a coil for a vacuum deposition, and comprises: a base unit wherein all the components are arranged; a supplying unit arranged on the base unit supplying a coiled wire; a pitch guide unit guiding the wire supplied from the supplying unit to be coiled up while having a predetermined pitch; a mandrel on which an end of the supplying unit and an end of the pitch guide unit are positioned on the circumference, and the wire supplied from the supplying unit coiled up; first and second pressing units pressing and supporting the wire coiled up around the mandrel; a cam driving unit adjusting the positions of the first and second pressing units from the outer circumference of the mandrel; and a cutting unit arranged on the end of the mandrel to be adjacent, and cutting one end of the coil coiled up around the mandrill and discharged.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an auxiliary spring for a vacuum deposition coil,

The present invention relates to an auxiliary spring forming machine for a vacuum evaporation coil, and more particularly, to a method of manufacturing a coil spring for connecting a tungsten coil, which can be finished in a single step, And to reduce the damage of the worker. The present invention also relates to an auxiliary spring molding machine for a vacuum evaporation coil.

In general, a vacuum deposition coil is used as a heating means such as a heating device in which a coil wire is formed by twisting a tungsten wire having high resistance to high temperature and formed into various shapes by using a mold or jig.

For the purpose of increasing the deposition effect and service life of these vacuum evaporation coils, auxiliary springs are used, which are also manufactured using tungsten wires.

The auxiliary spring has a large diameter of about 0.3 mm. As a structure for manufacturing such auxiliary spring, the wire 2 is moved to the center side of the mandrel 1 as shown in Figs. 1 and 2, The coil C is wound with a constant pitch and a coil C of a predetermined length is formed.

However, since the cutter 3 cuts the wire 2 at regular intervals from the mandrel in the process of winding the wire 2 on the mandrel 1 and then cutting the mandrel 1, (B) and burr (burr) are generated at the end portion of the core (C).

These burrs have to be manually removed later by a worker to produce a finished product, which is disadvantageous in that a lot of processes are required.

In addition, there is a problem that the hand of the operator is damaged by the burr during the burr removal process.

It is an object of the present invention to provide a method of manufacturing a coil spring for increasing a deposition effect and a service life of a tungsten coil, which can be finished in a single step, And a secondary spring molding machine for a vacuum evaporation coil which can prevent the occurrence of burrs and reduce the damage of an operator.

The present invention has the following structure in order to achieve the above object.

The auxiliary spring molding machine for a vacuum evaporation coil of the present invention comprises: a base portion on which respective components are arranged; A supply part arranged in the base part and supplying a wire wound state; A pitch guide portion for guiding the wire supplied from the supply portion to be wound up at a constant pitch; A mandrel in which the end of the supply part and the end of the pitch guide part are wound and the wire supplied by the supply part is wound; First and second pressing portions for pressing and supporting the wire wound around the mandrel; A cam driving unit for adjusting a position of the first and second pressing units from an outer diameter of the mandrel; And a cutting portion disposed adjacent to the end of the mandrel and wound on the mandrel and cutting one side end of the coil to be discharged.

Further, at the end of the mandrel, there is further provided a discharge portion for guiding and discharging the auxiliary spring cut by the cutting portion.

The supply unit includes a supply roller on which a wire is wound, a plurality of guide rollers for guiding the wire supplied from the supply roller, a vertical guide roller block for longitudinally supporting the wire guided by the guide rollers, A guide rail disposed on the upper side of the guide rail and having a groove for guiding the wire on the upper side of the bar shape; And a pressing support roller which is supported by using grooves of different sizes.

Guide grooves of different sizes are formed on the outer periphery of the pressure supporting roller.

A guide block for adjusting the distance between the pitch adjusting blades to be fixed to the pitch adjusting blade, a guide rail for guiding the guide block in the up and down direction, A server motor for driving the block to move up and down, and a link arm for connecting the server motor to the guide block.

The first and second pressing portions include a pressing block having an end on an outer periphery of the mandrel and a control block for adjusting the position of the pressing block. Guide block.

And the pressing end portion is formed as an arc corresponding to the arc of the outer peripheral surface of the mandrel.

The cam driving unit includes first and second arms independently connected to the first and second pressing units, a support shaft serving as a rotation reference of the first and second arms, A connecting shaft for connecting the first and second ends of the first and second arms to each other and a cam for camming the connecting shaft using the driving force of the driving motor.

The cutter unit includes an actuator, a guide provided at the end of the actuator, a link arm connected to the guide and seesawing with reference to the reference shaft, and a link arm connected to the end of the link arm by a slave shaft, A guide block that moves along the guide rail in the direction of the guide rail, and an adjustment block that is disposed on the upper portion of the guide block and adjusts the position of the cutter disposed at the end portion.

According to the present invention, the production of the coil spring used for increasing the service life of the tungsten coil can be completed in a single step, thereby improving the process yield and preventing the occurrence of burrs, .

1 is a schematic view showing a conventional coil spring winding device.
2 is a photograph showing a coil spring formed by the coil spring winding device shown in Fig.
3 and 4 are perspective views showing auxiliary spring molding machines for vacuum vapor deposition coils of the present invention.
5 is a partially enlarged view showing the supply unit shown in Figs. 3 and 4. Fig.
6 is a partially enlarged view showing the pitch guide portion shown in Figs. 3 and 4. Fig.
7 is a partially enlarged view showing the pressing portion and the cam driving portion shown in Figs. 3 and 4. Fig.
8 is a partially enlarged view showing the cutting portion shown in Figs. 3 and 4. Fig.
9 is a photograph showing an auxiliary spring formed by an auxiliary spring molding machine for a vacuum evaporation coil of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

It is to be understood that the following specific structure or functional description is illustrative only for the purpose of describing an embodiment in accordance with the inventive concept, and that the embodiments according to the concept of the present invention may be embodied in various forms, It should not be construed as being limited to examples.

Since the embodiments according to the concept of the present invention can make various changes and have various forms, specific embodiments are illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

The terms first and / or second etc. may be used to describe various components, but the components are not limited to these terms. The terms may be named for the purpose of distinguishing one element from another, for example, without departing from the scope of the right according to the concept of the present invention, the first element being referred to as the second element, The second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when it is mentioned that an element is "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions for describing the relationship between components, such as "between" and "between" or "adjacent to" and "directly adjacent to" should also be interpreted.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. It will be understood that the terms "comprises", "having", and the like in the specification are intended to specify the presence of stated features, integers, steps, operations, elements, parts or combinations thereof, But do not preclude the presence or addition of steps, operations, elements, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning of the context in the relevant art and, unless explicitly defined herein, are to be interpreted as ideal or overly formal Do not.

3 and 4, the auxiliary spring molding machine 10 of the present invention includes a base portion (not shown), a supply portion 100, a pitch guide portion 200, a mandrel 300, a cam driving portion 400, First and second pressing portions 500 and 600, and a cutting portion 700.

The base portion is a structure in which a plate body is formed in a predetermined box shape, and structures for connecting or operating the respective components of the present invention are installed therein.

5, the supply unit 100 includes a supply roller 110 for supplying a wire Y, a vertical guide roller block for guiding the wire Y supplied to the supply roller 110 in the horizontal direction, A horizontal guide roller block 130 disposed at a position adjacent to the longitudinal guide roller block 120 and a horizontal guide roller block 130 disposed at a position adjacent to the mandrel 300, And a pressure supporting roller 150 positioned above and below the guide rail 140 for pressing and supporting the wire.

The feed roller 110 includes a take-up roll 111 on which a wire Y to be fed is wound, guide rollers 112 and 113 for guiding a wire Y supplied from the take-up roll 111, And a bracket (not shown) for fixing the guide rollers 111 and 111 and the guide rollers 112 and 113 to the base portion.

The longitudinal guide roller block 120 includes rollers 122 arranged in a zigzag manner so as to guide the wire Y and a plurality of rollers 122 arranged to guide the wire Y, And a block 121 for allowing the wire to flow in the horizontal direction while preventing the wire from flowing in the vertical direction.

The lateral guide roller block 130 includes a plurality of rollers 132 arranged in a zigzag manner to prevent the wires passing through the longitudinal guide roller block 120 from flowing in a horizontal direction, And a block 131 for supporting the roller 132 and adjusting the distance of the roller 132 according to the thickness of the wire.

The guide rail 140 is fixed to the base portion in the form of a bar having a predetermined length in the traveling direction of the wire and a predetermined groove (not shown) in the longitudinal direction.

The pressure supporting rollers 150 are respectively disposed on the upper and lower portions of the guide rails 140 and have a plurality of guide grooves 151 formed on the outer circumferential surface thereof to have different sizes to prevent the wires from flowing in the guide rails 140, .

The supply unit 100 arranged in this way prevents the flow of the wire supplied from the supply roller 110 wound with the wire Y via the longitudinal guide roller block 120 and the lateral guide roller block 130, So that it can be supplied at a certain speed.

Here, a sensing sensor (not shown) may be provided between the transverse guide roller block and the guide rail for sensing the moving wire to check the presence of the wire.

The pressure support roller 150 is coupled in a cylinder shape on a rotatably supported bracket (not shown) so that the operator can manually change the position of the guide groove 151 according to the thickness of the supplied wire have.

As shown in FIG. 6, the pitch guide unit 200 includes a server motor 210, a guide block 220, and a pitch adjusting blade 230.

The server motor 210 is disposed under the mandrel 300 in a state of being fixed to the base unit and rotates in accordance with an operation signal of the controller. The pitch adjusting blade 230 is guided by the guide rail 221 in a state of being connected by the joint type link arm 211 and the pitch adjusting blade 230 is fixed to the guide block 220 with a predetermined length, One end portion forms a constant inclination angle.

In addition, the pitch adjusting blade 230 is vertically inserted into the guide block 220 so that the interval between the pitch adjusting blade 230 and the mandrel can be adjusted.

The pitch guide unit 200 configured as described above is used to adjust the pitch of the coils wound around the coils when the coils are wound by the coil spring.

That is, when it is desired to increase the pitch of the coil spring, if it is desired to raise the pitch adjusting blade to increase the tightness of the wire and the slope of the end portion, the pitch adjusting blade can be lowered by using the guide block to reduce the connection with the inclined surface. It is the role of

7, the mandrel 300 is in the form of a round bar having a predetermined length and is fixed to the base so as to be positioned at the horizontal end of the supply part 100. When the wire is supplied, And plays a role of determining the diameter of the coil spring. Therefore, the mandrel can be used in accordance with the diameter of the coil spring.

The cam driving unit 400 includes a driving motor 410 fixed to the base unit and having a rotation axis state cam 411, a driving motor 410 disposed at a position adjacent to the driving motor 410 and in close contact with the cam 411 A supporting roller 420 rotatably fixed to the connection shaft 421 so as to be driven by a cam operation; a first arm 420 which is tilted about the support shaft 431 in a state of being connected by the support roller 420; A second arm 440 disposed on the other side of the first arm 430 and connected to the support roller 420 and operated in cooperation with the first arm 430 by a support shaft 441, And a link arm 432 and 442 for connecting the first pressing part 500 and the second pressing part 600 and the first arm 430 and the second arm 440 to each other to transmit the operation.

That is, the cam driving unit 400 operates according to the operation signal of the driving motor, and the coupled cam 411 rotates and presses the supporting roller 420 to rotate the first arm 430 And the second arm 440 are rotated in the counterclockwise direction to move the first pressing portion and the second pressing portion connected to each other.

Here, the first arm and the second arm are preferably provided with elastic springs (450) for maintaining a constant pressurized state to the drive motor side.

The first pressing portion 500 is inclined toward the upper right side of the center of the mandrel 300 and is connected to the link arm 432 side of the cam driving portion 400 so as to linearly move in the longitudinal direction, A guide block 510 is mounted on the guide block 510 and an adjusting block 520 is disposed on the upper surface of the guide block 510 so as to adjust a position where the presser bar 530 is inserted and removed.

Further, a groove (not shown) corresponding to the circular arc shape of the outer circumferential surface of the mandrel is formed at the end of the pressing pedestal 530 so that the wire supplied from the supplying portion can be pressed toward the mandrel.

The second pressing portion 500 is inclined downward to the right of the center of the mandrel 300 and connected to the link arm 442 side of the cam driving portion 400 so as to linearly move in the longitudinal direction. A guide block 610 is mounted on the guide block 610 and an adjusting block 620 is disposed on the upper surface of the guide block 610 so as to adjust a position where the presser bar 630 is inserted and removed.

Further, a groove (not shown) corresponding to the circular arc shape of the outer peripheral surface of the mandrel is formed at the end of the pressing pad 630 so that the wire supplied from the supplying portion can be pressed toward the mandrel.

That is, the first and second pressing units 500 and 600 operate in conjunction with the cam driving unit 400 to press the wire wound around the mandrel toward the mandrel. When the diameter of the mandrel increases, The pressing portion is moved to the outside of the mandrel, and when the pressing portion is small, the inside is moved.

8, the cutting unit 700 includes a support 710, an actuator 720, a first link arm 730, a second link arm 740, a guide block 750, an adjustment block 760 ), A cutter 770, and a coil guide block 780.

The support 710 is rotatably coupled to the base portion (not shown) by a hinge and a cylinder in the form of a plate.

The actuator 720 is fixed to the supporter 710 by a bracket 721. The actuator 720 includes a presser bar 722 having a constant elasticity at its ends and operating in a vertical direction by using hydraulic or pneumatic pressure.

The first link arm 730 has a bar shape having a predetermined length and is provided with a reference shaft 731 rotatably coupled to the support 710 at a central portion thereof, A guide roller 733 which is in close contact with the pressing belt 722 and transmits a force to seesaw the first link arm by pressing the pressing belt is engaged with the driving shaft 732, And a follower shaft 734 for transmitting the motive force of the first link arm, which performs a seesaw motion, to the second link arm side is provided on the other side of the second link arm 733.

The first link arm 730 is provided with an elastic spring 735 which is connected to the support 710 side between the driving shaft 732 and the reference shaft 731 to apply elasticity to the first link arm.

The second link arm 740 is a plate extending in the vertical direction while being connected by the first link arm 730 and the driven shaft 734. [

The guide block 750 includes a bracket 752 mounted on a guide rail 751 fixed to the support 710. The bracket 752 is connected to the second link arm 740, 2 link arm, and is vertically moved along the guide rail 751 to vertically move the cutter.

The adjustment block 760 is disposed on the upper surface of the bracket 752 of the guide block to adjust the vertical direction of the cutter 770.

The cutter 770 is a bar having a predetermined length and inclined downward at one side. And is inclined in the direction opposite to the mandrel in the inclined direction. This is to allow the cut coil spring to easily detach from the mandrel.

The coil guide block 780 has a cylindrical shape and is fixed to a support 710.

A guide hole 781 is formed at the center of the coil guide block 780 to guide the coil spring C that is wound around the mandrel and move in the axial direction. The inner circumferential surface of the guide hole 781 has a strength Or a separate high-strength metal is inserted into the cutter so that the cutter serves as a support when cutting the coil spring.

That is, when the wire supplied from the supply unit 100 is guided and wound to the mandrel and moved in the axial direction of the mandrel and protruded to the coil guide block, the cutter 700 is lowered to cut the protruded coil spring The end of the cut coil spring can be smoothly processed as shown in FIG. 9, so that it is possible to prevent formation of burrs at the ends of the coil spring as in the prior art, It is possible to prevent the worker from being damaged by the burr removing operation.

In addition, the cutting unit 700 of the present invention is further provided with a discharge unit 800 for guiding the discharge of the coil spring C and allowing the coil spring C to be placed at a predetermined position.

The discharge unit 800 includes a fixing bracket 810 for fixing the guide tube 811 at a predetermined inclination angle to the support 710 and a sensor 820 for sensing and counting the coil spring passing through the guide tube 811. [ ).

That is, the discharge part 800 is positioned near the coil guide block 780 of the cutting part 700 at one end of the guide tube 811, and the coil spring, cut by the cutter, (Not shown), and the number of coil springs passing through the guide tube is counted using a sensor to check how many coil springs are loaded in the housing.

In addition, the respective components of the present invention are electrically connected to a controller (not shown) and operate according to a control signal of the controller.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. There is no doubt that it is within.

10: coil spring retractor 100: supply part
200: pitch guide portion 300: mandrel
400: cam driving part 500: first pressing part
600: second pressing portion 700: cutting portion
800:

Claims

A base portion in which each configuration is arranged;
A supply part arranged in the base part and supplying a wire wound state;
A pitch guide portion for guiding the wire supplied from the supply portion to be wound up at a constant pitch;
A mandrel in which the end of the supply part and the end of the pitch guide part are wound and the wire supplied by the supply part is wound;
First and second pressing portions for pressing and supporting the wire wound around the mandrel;
A cam driving unit for adjusting a position of the first and second pressing units from an outer diameter of the mandrel; And
And a cutting portion disposed adjacent to an end of the mandrel and wound around the mandrel and cutting one end of the coil to be discharged.

The method according to claim 1,
Further comprising a discharge portion for guiding and discharging the auxiliary spring cut by the cutting portion at the end of the mandrel.

The method according to claim 1,
The supply unit includes a supply roller on which a wire is wound, a plurality of guide rollers for guiding the wire supplied from the supply roller, a vertical guide roller block for longitudinally supporting the wire guided by the guide rollers, A guide rail disposed on the upper side of the guide rail and having a groove for guiding the wire on the upper side of the bar shape; And a pressing support roller which is supported by a groove having a different size.

The method of claim 3,
And wherein guide grooves having different sizes are formed on the outer periphery of the pressing support roller.

The method according to claim 1,
A guide block for guiding the guide block in a vertical direction, a guide block for guiding the guide block in a vertical direction, a guide rail for guiding the guide block in the vertical direction, And a link arm connecting the server motor and the guide block. The auxiliary spring molding machine for a vacuum evaporation coil according to claim 1,

The method according to claim 1,
The first and second pressing portions include a pressing block having an end on an outer periphery of the mandrel and a control block for adjusting the position of the pressing block. Wherein the auxiliary spring is formed of a block.

The method according to claim 6,
Wherein the pressing end portion is formed by an arc corresponding to an arc of an outer circumferential surface of the mandrel.

The method according to claim 1,
The cam driving unit includes first and second arms independently connected to the first and second pressing units, a support shaft serving as a rotation reference of the first and second arms, And a cam for moving the connecting shaft by using the driving force of the driving motor. 2. The vacuum evaporation coil assembly as claimed in claim 1, Spring forming machine.

The method according to claim 1,
The cutter unit includes an actuator, a guide provided at the end of the actuator, a link arm connected to the guide and seesawing with reference to the reference shaft, and a link arm connected to the link arm end by a slave shaft, And a control block which is disposed on the upper portion of the guide block and adjusts the position of the cutter disposed at the end portion of the auxiliary spring.