KR20230075073A - Drawing apparatus for metal wire - Google Patents

Abstract

The present invention relates to a metal wire drawing device, and more specifically to the metal wire drawing device in which a drum for pulling a metal wire is installed to rotate about a horizontal axis. The metal wire drawing device includes a transfer guide part; a wire drawing part; a wire pulling unit; and a wire tension adjustment unit.

Description

Metal wire drawing apparatus {Drawing apparatus for metal wire}

The present invention relates to a metal wire drawing device, and more particularly, to a metal wire drawing device in which a drum for pulling metal wire is installed to rotate in a horizontal direction.

The wire drawing device is a device for drawing rods or wire rods or wires having various diameters, and this drawing device is similar to the principle of drawing rods, tubes, and the like.

Wire drawing is usually processed so that the cross-sectional area gradually decreases as the wire rod is continuously passed through a plurality of dies. The wire rod is continuously supplied, a plurality of dies arranged side by side, and the wire rod passing through the dies is pulled, and then the next die is again It consists of a drum that transfers wire rods continuously and draws them so that the draws can be completed in a short time.

Wire rods manufactured by this wire drawing process can be classified into ultra-fine wire (0.1 mm or less), medium wire (0.5 to 2.5 mm), and thick wire (2.5 mm or more) according to their diameter, and these wire rods are used in the nano industry and bio industry. In addition to the development of the semiconductor industry and new drug business, the wire rod manufacturing technology is developing dramatically through the expansion of the wire rod market and the improvement of added value.

As disclosed in Korean Registered Patent Publication No. 10-1798887, in most wire drawing devices, drums continuously arranged for wire drawing are arranged to rotate in the vertical direction, and the wire rod, which is a wire rod to be drawn at least once wound on the drum, is pulled. It has a structure that is drawn from a die.

The wire drawing device having the above structure should secure a wide installation area so that drums having a relatively large diameter can be continuously arranged, and the wire rods wound on the outer circumferential surface of the drum are concentrated on the lower side of the outer circumferential surface of the drum, so that the wire rods are different from each other. Interference and slip may occur, resulting in deterioration in drawing efficiency and product quality.

Republic of Korea Patent Registration No. 10-1798887 : Dies for wire drawing with lubricant receiving part

The present invention is to solve the above problems, and the drum for pulling the wire rod to be drawn is installed to rotate in a horizontal direction, so that it is easy to secure the installation space, and the cooling efficiency of the dies mounted on one side is improved. It is intended to provide a metal wire wire drawing device with improved wire drawing efficiency by preventing contact between metal wires wound on the wire.

The support frame of the present invention for achieving the above object; a transfer guide part installed on one side of the support frame and guiding the metal wire rod to be transferred to the other end side of the support frame in the longitudinal direction of the support frame; a wire drawing unit installed on one side of the support frame to face the transfer guide unit and drawing the metal wire to a set diameter by the transfer guide unit; a wire pulling unit including a pull drum having a central side attached to a rotating shaft penetrating in a horizontal direction from one side of the support frame and pulling the metal wire drawn from the wire drawing part; and a wire tension adjusting unit for guiding the metal wire rod pulled and moved by the pull drum, wherein the pull drum is wound around one side of the metal wire rod that is in contact with the outer circumferential surface after entering from the wire drawing part and is wound around the outer circumferential surface of the wire rod. It is characterized in that a plurality of wire rod seating grooves drawn in to have a concave curved surface along the circumferential direction are formed or extended in a spiral direction on the outer circumferential surface so that the other side of the metal wire rod conveyed in a direction away from the part does not come into contact with each other. .

The fresh part is fixedly mounted on one side of the support frame, and is opened upward to accommodate the fresh oil, and a receiving space partially opened at both sides in the longitudinal direction is formed so that the metal wire extending from the transfer guide part to the pull drum passes through. A cooling chamber and a die holder accommodated in the accommodation space, detachably installed in the cooling chamber, and accommodating a die for drawing the metal wire rod therein, wherein the die holder is coupled to the transfer guide part. An inlet groove opened in one direction in the longitudinal direction of the chamber, and a wire rod through which the metal wire rod drawn through the die is formed to communicate with the inlet groove at the center side of the other end side in the longitudinal direction of the cooling chamber. An outer frame in which a hole is formed and coupled to the other end in the longitudinal direction of the cooling chamber, an inner frame accommodated in the inlet groove and having an inner side penetrating in the longitudinal direction of the cooling chamber into which the dies are inserted, and the inner frame A die constraining frame formed around the inner frame between the outer frame and the inner frame so that the inserted die is detachably coupled to the inner frame and the wire rod guide hole is formed at the center so that the metal wire rod penetrates and extends. It is preferable to provide a plurality of heat pipes arranged along the circumferential direction in the cooling water receiving space.

The inner frame has an outer diameter corresponding to the inner diameter of the inlet groove, a flange portion having an inner side penetrated and in contact with the inner circumferential surface of the outer frame, and a flange portion having an outer diameter smaller than that of the flange portion, protruding from the flange portion toward the rear end of the outer frame. to form a ring-shaped cooling water accommodating space between inner circumferential surfaces of the outer frame, and a die support portion having an inner side penetrating in the front-back direction corresponding to the diameter of the dies, wherein the outer frame is provided with the cooling water accommodating space and First and second nozzle mounting holes for supplying and discharging cooling water into the cooling water accommodating space are formed in communication with each other, and the plurality of heat pipes are arranged along the circumferential direction on the outer circumferential surface of the die support unit and have a certain width. It is formed in a flat plate shape, and it is preferable that the other side in the longitudinal direction is bent with respect to the central side in the longitudinal direction so that the other side in the longitudinal direction protrudes from the outer circumferential surface of the die support portion with respect to one side in the longitudinal direction attached to the outer circumferential surface of the die support portion.

The wire tension adjusting unit is located on the other end side of the support frame and is pulled from the pull drum and is in contact with the metal wire rod transferred to the other end side of the support frame, and one side of the other end side of the support frame moves up and down. A pivoting bar mounted rotatably and through which the axis of the wire tension control roller is rotatably mounted in a horizontal direction on the other end protruding with respect to the support frame, and one side in the longitudinal direction is rotatably mounted on one side of the support frame. And the other side in the longitudinal direction is preferably provided with a tension adjusting cylinder that is rotatably mounted on the rotation bar and adjusts the position of the wire tension control roller by rotating the rotation bar according to length expansion and contraction.

In the metal wire drawing device of the present invention, the pulling drum for pulling the wire rod to be drawn is installed to rotate in the horizontal direction, so it is easy to secure the installation space, and the metal wire rod is easy to pull when passing through the die mounted on one side, so the wire drawing efficiency is improved. There are benefits that can be improved.

In addition, in the metal wire drawing device of the present invention, a plurality of wire rod seating grooves in which metal wires are seated along the circumferential direction are formed on the pull drum or in a spiral direction, so that interference between metal wires wound on the pull drum is prevented and wire drawing efficiency is prevented. this can be improved.

In addition, in the metal wire drawing apparatus of the present invention, a heat pipe is provided around the dies in the die holder supporting the dies, so that the cooling efficiency of the dies can be improved and the wire drawing efficiency can be improved.

1 is a schematic diagram of a wire drawing system in which metal wire drawing devices are continuously arranged according to an embodiment of the present invention;
2 is a perspective view of a wire drawing device according to an embodiment of the present invention;
Figure 3 is a plan view of the wire drawing device of Figure 2,
4 is a side cross-sectional view of a transfer guide part and a wire drawing part of the wire drawing device of FIG. 2;
5 is a front cross-sectional view of the dice holder of the wire line of FIG. 4;
6 is a plan view of the transfer guide part and the wire drawing part of the wire drawing device of FIG. 2;
7 is a side cross-sectional view of the wire drawing device of FIG. 2 viewed from the opposite side;
8 is a block diagram of the wire drawing device of FIG. 2;
Figure 9 is a block diagram of the fresh oil supply unit of the wire drawing device of Figure 2;

Hereinafter, a metal wire drawing apparatus according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a view of a metal wire drawing system 10 in which a metal wire drawing device 50 according to an embodiment of the present invention is continuously arranged for each drawing step in order to continuously draw a metal wire R to be drawn in stages. it is a drawing

The metal wire drawing system 10 includes a first drawing unit 11 that draws a metal wire R to a diameter of around 10.00 mm, and a metal wire R having a diameter of around 10.00 mm to a diameter of around 6.00 mm. A second drawing unit 21 for drawing and a third drawing unit 31 for drawing a metal wire R having a diameter of about 6.00 mm to a diameter of about 2.65 mm are provided.

It is preferable that a wire made of a non-ferrous metal material such as copper, aluminum, or a copper-aluminum alloy material is applied to the metal wire R to be wired.

The first drawing unit 11 includes a first rotating frame 12 that rotates so that the wound metal wire R is transported in one direction and unwound; a plurality of metal wire drawing devices 50 continuously arranged in one direction; The first winding drum 14 that pulls the wire drawn from the plurality of metal wire wire drawing devices 50, the first winding motor 15 that rotates the first winding drum, and the first winding drum 14 A first winding unit 13 including a second rotary frame and 16 located below and around which the wire drawn from the first winding drum 14 is wound.

The second drawing unit 21 includes a third rotation frame 22 that rotates so that the wound metal wire R is transported in one direction and unwound; a plurality of metal wire drawing devices 50 continuously arranged in one direction; The second winding drum 24 for pulling the wire drawn in the plurality of metal wire drawing devices 50, the second winding motor 25 for rotating the second winding drum, and the second winding drum 24 A second winding unit 23 including a second rotary frame and 26 located below and around which the metal wire drawn from the second winding drum 24 is wound.

The third drawing unit 31 includes a third rotating frame 32 that rotates so that the wound metal wire R is transported in one direction and unwound; a plurality of metal wire drawing devices 50 continuously arranged in one direction; a third winding unit 33 including a third winding drum 34 that pulls wire drawn from the plurality of metal wire drawing machines 50 and a third winding motor 35 that rotates the second winding drum; can be provided.

The plurality of metal wire drawing devices 50 of the metal wire drawing system 10 according to an embodiment of the present invention are dies in which the diameter of the extrusion hole 142 gradually decreases as the metal wire R is transported. 141 has the same structure, except that each is mounted.

2 to 9 show a metal wire wire drawing device 50 according to an embodiment of the present invention.

The metal wire wire drawing device 50 according to an embodiment of the present invention includes a support frame 51, a transfer guide part 81, a wire drawing part 110, a wire rod pulling unit 150, and a wire rod drum adhesion unit. 171, a wire tension adjusting unit 190, a cooling water supply unit 200, a fresh oil supply unit 220, and a unit control unit 250.

The support frame 51 includes a frame 52 formed in the shape of a rectangular column in which a mounting space 53 open to the inside, left and right, and upward, and a partition plate 68 partitioning the mounting space 53 up and down, The rotational shaft 157 of the pull drum 151 is rotatably passed through in the horizontal direction, and the first vertical plate 55 covering the first side portion of the frame 52 and the upper portion of the second side portion of the frame 52 are covered. A pair of opening and closing doors 57 and 58 rotatably mounted on the second side of the frame 52 in parallel or crossing the first vertical plate, and covering the lower part of the second side of the frame 52, the first A second vertical plate (not shown) parallel to the vertical plate, and third and fourth vertical plates 61 and 64 respectively covering the third and fourth sides orthogonal to the first and second sides of the frame 52; , A top plate 67 covering the top of the frame 52 is provided.

In addition, the support frame 51 extends upward from the center side of the partition plate 68, protrudes through the top plate 67, and has a lifting hook 69 having an upper portion passing through.

In the metal wire drawing device 50 according to an embodiment of the present invention, the lifting hook 69 may be coupled to a crane (not shown) during movement and position adjustment.

On the other hand, the forward direction described later is the direction in which the metal wire R is fed, and the backward direction is the opposite direction to the direction in which the metal wire R is fed.

That is, the first and second vertical plates 55 and 58 extend in the front-back direction, and the third and fourth vertical plates 61 and 64 extend in a direction orthogonal to the front-back direction.

The transfer guide part 81 is located on one side of the first vertical plate 55 facing the outer side toward the direction in which the metal wire R is supplied, so that the metal wire R, which is a wire drawing target, moves along the first vertical plate 55. As a guide to be transported in the other direction of the roller support frame 82, a pair of guide bars 91, a plurality of guide rollers (94, 96, 98), a plurality of roller restraint bolts (101, 103, 105) ) is provided.

The roller support frame 82 has one end in the longitudinal direction of one side facing the outer side of the first vertical plate 55 so that one side protrudes toward the direction in which the metal wire R is supplied with respect to the support frame 51. It is mounted on the side edge side.

The roller support frame 82 extends in the longitudinal direction, has a vertical width, and covers a pair of roller support plates 83 spaced side by side in the longitudinal direction and upper ends of one end of the pair of roller support plates 83. With respect to the pair of roller support plates 83, the guide bar support plate 86 protrudes in the direction in which the metal wire R is supplied, and the width in the vertical direction and the pair of roller support plates 83 are spaced apart from each other A wire through-hole 90 in the form of a plate having a pair of roller support plates 83 located between each other end side to connect the pair of roller support plates 83 and through which a metal wire rod R can extend through the center side It is formed and has a connecting plate 89 coupled to the wire portion 110.

Each of the plurality of guide bars 91 is shaped like a circular bar extending vertically, and the upper part is mounted on the guide bar support plate 86, and is parallel to each other vertically and downward in a direction in which the pair of roller support plates 83 are spaced apart. Each one is rotatably mounted on a pair of bar support shafts 92 spaced apart from each other. The pair of guide bars 91 are spaced apart from each other corresponding to or larger than the diameter of the wire material R so that the metal wire material R extends through the mutually spaced space.

The plurality of guide rollers 94, 96, and 98 are rotatably mounted in the roller support frame 82 in the width direction of the roller support frame 82 and are continuously disposed in the longitudinal direction of the roller support frame 82. As it becomes and supports the metal wire (R),

A first guide roller 94 adjacent to the pair of guide bars 91 and a third guide roller 98 adjacent to the connecting plate 89 and positioned on the same horizontal line as the first guide roller 94; Between the first and third guide rollers 94 and 98, a second guide roller 96 is provided with a center side positioned below the first and third guide rollers.

On the other hand, a pair of roller support plate 83 is coupled to one or the other end of the longitudinal direction of the first roller shaft 95 for supporting the rotation of the first guide roller 94 on the upper side of the longitudinal rear end side of the first roller shaft ( A pair of first roller restraining bolts 101 fixing the position of 95) pass through each of them, and the first roller position adjusting hole 84a extends vertically to adjust the height of the first guide roller 94. ) And coupled to one or the other end in the longitudinal direction of the third roller shaft 99 supporting the rotation of the third guide roller 98 at the upper part of the longitudinal front end side to fix the position of the third roller shaft 99 A pair of third roller restraint bolts 105 are penetrated and the third roller position adjusting hole 84c in the form of a long hole extending vertically to adjust the height of the third guide roller 98, and the first roller position It is coupled to one or the other end in the longitudinal direction of the second roller shaft 97 supporting the rotation of the second guide roller 96 at the lower portion between the adjusting ball 84a and the third roller position adjusting hole 84c, respectively, A pair of second roller restraint bolts 103, which fix the position of the roller shaft 97, pass through each of them and adjust the position of the second roller in the form of a long hole extending vertically so that the height of the second guide roller 96 can be adjusted. Balls 84b are formed respectively.

The wire drawing unit 110 is fixedly mounted on the first vertical plate 55 so as to face the transfer guide unit 81, and draws the metal wire to be wired R transferred by the transfer guide unit 81 to a set thickness. As such, a cooling chamber 111 fixedly mounted on the first vertical plate 55 and a die holder 121 detachably installed in the cooling chamber 111 and supporting the dice 141 are provided.

The cooling chamber 111 is installed to face the connection plate 89 of the transfer guide unit 81, and the upper portion is open so that fresh oil (not shown) can be stored and the dice holder 121 can be accommodated, and the transfer guide An accommodating space 112 partially opened at both sides in the longitudinal direction is formed in a rectangular shape extending in the longitudinal direction so that the metal wire R extending from the portion 81 to the pull drum 151 passes through.

The cooling chamber 111 includes a first length extension plate 113, a second length extension plate 114, a first width extension plate 115, a second width extension plate 116, and a holder coupling plate ( 118) and a lower plate 119.

The first length extension plate 113 is coupled to the first vertical plate 55 of the support frame 51 and is extended in the front-back direction, and the second length extension plate 114 is the first length extension plate 113 ) and are spaced parallel to the first length extension plate 113.

The first width extension plate 115 connects each end side of the first length extension plate 113 and the second length extension plate 114, and is interviewed with the connection plate 89 by the transfer guide part 81 A first wire rod through-groove 115a is formed that is drawn downward by a certain length or more so that the metal wire rod R to be transported can pass therethrough.

The holder coupling plate 118 is spaced apart from the first width extension plate 115 in the front and rear direction and is parallel to the first width extension plate 115 of the first length extension plate 113 and the second length extension plate 114. Connecting each other side to form a receiving space 112 together with the first length extension plate 113, the second length extension plate 114 and the first width extension plate 115; A second wire through groove 118a is formed in the form of a long hole of a certain length and is coupled to the die holder 121 so that the metal wire R drawn by the die 141 can pass therethrough.

The second width extension plate 116 connects the lower part of each other end side of the first length extension plate 113 and the second length extension plate 114 to be spaced side by side with respect to the holder coupling plate 118, and the second length extension plate 114 The length extends vertically so as not to interfere with the metal wire extending through the wire rod through groove portion 118a in the horizontal direction.

The lower plate 119 connects the lower ends of the first and second length extension plates 113 and 114 and the first and second width extension plates 113 and 116, and the fresh oil stored in the receiving space 112 is discharged downward. A fresh oil discharge hole 119a passing through in communication with the receiving space 112 is formed.

The holder coupling plate 118 penetrates around the second wire through groove 118a in the form of a long hole in the left and right width direction of the cooling chamber 111 and is coupled with the dice holder 121 accommodated in the accommodation space 112. A holder mounting hole 118b through which the bolt 140 passes is formed, and the fresh oil discharged to the second wire rod through groove 118a passes through the die 141 together with the wire rod in the accommodating space 112 accommodating space 112 ) A communication groove 118c is formed so that it can be circulated to the side.

The die holder 121 has an inlet groove 123 open in the direction of one end of the longitudinal direction of the cooling chamber 111, and is formed in the outer frame 122 coupled to the holder coupling plate 118 and the inlet groove 123. The inner frame 130 is accommodated and the inner side penetrates in the longitudinal direction of the cooling chamber 111 so that the dies 141 are inserted, and the inner frame 130 and It is detachably coupled and has a die restraint frame 135 having a wire guide hole 136 formed at the center so that the metal wire R extends through.

The outer frame 122 is formed in a cylindrical shape and is coupled with the holder coupling bolt 140 to be fixed to the holder coupling plate 118 so as to extend in the longitudinal direction.

The outer frame 122 is drawn in a circular shape in the direction of the holder coupling plate 118 and the center of the other end coupled with the circular inlet groove 123 opened in the direction of the transfer guide part 81 and the holder coupling plate 118 The wire rod through hole 124 formed on the side in communication with the lead-in groove 123 and the second wire rod through-hole 115, through which the wire R drawn through the die passes, and the lead-in groove on one side of the outer circumferential surface. First and second supply nozzles 126 for supplying coolant to the inlet groove 123 passing through the inlet groove 123 and discharge nozzles 128 for discharging the coolant flowing into the inlet groove 123 are mounted, respectively. 2 Nozzle mounting holes 127 and 129 are formed

The inner frame 130 has an outer diameter corresponding to the inner diameter of the inlet groove 123 at one end side, and is in contact with the inner circumferential surface of the outer frame 122, and has a larger diameter than the die 141 on the inner side and penetrates the restraint frame coupling hole in the forward and backward directions. The flange portion 131 on which 132 is formed and a ring formed protruding from the flange portion 131 toward the holder coupling plate 118 with an outer diameter smaller than that of the flange portion 131, between the outer circumferential surface and the inner circumferential surface of the outer frame 122. A die support hole 134 that forms a shaped cooling water receiving space 137 and penetrates inwardly in the front-back direction corresponding to the diameter of the die 141 and communicates with the restraint frame coupling hole 132 and the wire through hole 124 This forming die support part 133 is provided.

The die restraint frame 135 is inserted into the restraint frame coupling hole 132 and formed in a circular shape with a thread formed on the outer circumferential surface to be screwed with the inner frame 130, and the extrusion hole 142 of the die 141 on the center side A wire guide hole 136 is formed to communicate with and guide the metal wire R to the extrusion hole 142.

The wire rod guide hole 136 faces one end side in the longitudinal direction of the cooling chamber 111 into which the metal wire R enters, and the first guide part penetrates so that the diameter decreases toward the other end side in the longitudinal direction of the cooling chamber 111. , It may be divided into a second guide part that penetrates with a constant diameter in the direction of the die 141 at the end of the first guide part toward the other end in the longitudinal direction of the cooling chamber 111.

The fresh part 110 includes a plurality of heat pipes 145 arranged in a circumferential direction in the coolant accommodating space 137 formed around the inner frame 130 .

The plurality of heat pipes 145 are arranged along the circumferential direction on the outer circumferential surface of the die support part 133, and are formed in a flat plate shape having a certain width, in the longitudinal direction with respect to one side in the longitudinal direction attached to the outer circumferential surface of the die support part 133. The other side is formed bent with respect to the central side in the longitudinal direction so as to protrude with respect to the outer circumferential surface of the die support portion 133.

The heat pipe 145 can effectively cool the heat generated when the metal wire R is drawn in the die 141 while coming into contact with the cooling water discharged through the first and second nozzle mounting holes 127 and 129 .

The heat pipe 145 is in contact with the outer circumferential surface of the die support part 133 and absorbs heat generated when the metal wire R is drawn to the die 141, and the heat storage unit 146 in which the working fluid inside evaporates (vaporizes) and , The heat storage unit 122 extends from the heat storage unit 146 so as to protrude from the outer circumferential surface of the die support unit 133, and the working fluid vaporized in the heat storage unit 146 emits heat to the outside to be liquefied (condensed).

Although the structure of the heat pipe 145 is not limited, it may have the same structure as the flat heat pipe disclosed in Korean Utility Model Publication No. 20-0411135 but gently bend the central side in the longitudinal direction.

The wire rod pulling unit 150 includes a pull drum 151 rotatably mounted in a vertical direction on the front side of the wire rod 110 by having a rotating shaft 157 rotatably penetrated through one surface of the first vertical plate 55, and , It is located in the mounting space 53 and is connected to the rotating shaft 157 to rotate the pull drum 151 is provided with a drum rotation drive unit 161.

The pull drum 151 is formed in a cylindrical shape and has a diameter in the vertical direction or the front and rear direction, and the rotation shaft 157 rotatably penetrating the first vertical plate 55 parallel to the ground at the center side is mounted. 152, and a wire having a larger outer diameter than the drum body 152 at one end side adjacent to the first vertical plate 55 of the drum body 152 and protruding along the circumferential direction with respect to the drum body 152 It is formed to have a diameter corresponding to or larger than the outer diameter of the support flange portion 155 and the wire rod support flange portion 155, and is mounted on the other end side of the drum body portion 152 to be applied to the outer circumferential surface of the drum body portion 152 at least once. A wire separation prevention plate 156 is provided to prevent the wire R to be wound from being separated from the first vertical plate 55 intersecting in the forward and backward directions.

The drum body part 152 has a first extension part 153 having one end connected to the wire support flange part 155 and one end connected to the other end of the first extension part 153 and a wire separation prevention plate coupled to the other side. It is provided with a second extension part 154 whose outer diameter decreases toward 156. The first extension part 153 may have a constant diameter or may be formed in a more gently tapered shape than the second extension part 154 .

In addition, the pull drum 151 enters from the wire wire portion 81 and is wound on one side of the metal wire R that is in contact with the outer circumferential surface and the other side of the metal wire R that is wound on the outer surface and transferred in a direction away from the wire wire 81. To prevent parts from contacting each other, a wire rod seating groove 153a is formed on the outer circumferential surface of the first extension part 153 to have a concave curved surface along the circumferential direction.

The wire rod seating grooves 153a may extend in a ring shape on the outer circumferential surface of the first extension part 153 and may be formed to be spaced apart from each other in the longitudinal direction of the rotation shaft 157 . Alternatively, the wire rod seating groove 153a may extend in a spiral direction along the circumferential direction on the outer circumferential surface of the first extension part 153 .

The drum rotation drive unit 161 includes a drum rotation motor 162 fixedly mounted on the upper surface of the partition plate 68, a speed reducer 165 geared to the drive shaft 163 of the drum rotation motor 162, and a speed reducer 165 ), the first driven pulley 168 mounted on the gear connecting shaft 167 protruding in the direction of the first vertical plate 55, and the second driven pulley mounted through the rotating shaft 157 extending into the mounting space 53 A pulley 169 and a drive belt 170 connecting the first driven pulley 168 and the second driven pulley 169 are provided.

The wire rod drum contact unit 171 includes a first wire drum attachment part 172 including an outer circumference contact roller 173 contacting the outer circumferential surface of the drum body 152 from above the pull drum 151, and a pull drum 151 ) is provided with a second wire rod drum attachment part 182 including a separation prevention roller 183 in contact with the outer circumferential surface of the drum body part 152 at the side of ).

On the other hand, the first vertical plate 55 of the support frame 51 is formed in the form of a long hole so as to extend vertically above the position where the rotation shaft 157 passes through, but the central side in the longitudinal direction is located on the front side rather than both sides in the longitudinal direction. The first shaft guide hole 56a extending in an arc shape and the rotational shaft 157 are formed in a long hole shape extending in the front direction at a position spaced apart from the front side with respect to the position through which the rotation shaft 157 passes, and the center side in the longitudinal direction is formed in the longitudinal direction. A second shaft guide hole 56b extending in an arc shape to be located lower than both sides is formed.

The first wire drum contact part 172 includes a fourth roller shaft 174 penetrating the first shaft guide hole 56a and to which an outer peripheral contact roller 173 is mounted; a first pivoting bar 175 having a fourth roller shaft 174 mounted on one end and having a center side in the longitudinal direction rotatably coupled to the first vertical plate 55; A first cylinder body 177 mounted on the first vertical plate 55 to be located in the mounting space 53, and one end protruding from the first cylinder body 177 and capable of retracting from the first cylinder body 177 A wire rod closeness adjusting cylinder 176 including a first piston rod 178 mounted to the other end of the first rotation bar 175 to be relatively rotatable is provided.

The outer circumference adhesion roller 173 attaches the wire rod R to the first vertical plate 55 so that a space in which the wire rod R is wound is formed on the outer circumferential surface of the first extension part 153 of the drum body 152. The closer they are, the smaller the outer diameter is.

The second wire drum contact part 182 penetrates the second shaft guide hole 56b and includes a fifth roller shaft 184 to which a separation prevention roller 183 is mounted; a second pivoting bar 185 having a fifth roller shaft 184 mounted on one end and having a center side in the longitudinal direction rotatably coupled to the first vertical plate 55; A second cylinder body 187 mounted on the first vertical plate 55 to be located in the mounting space 53, and one end protruding from the second cylinder body 187 and capable of moving forward and backward on the second cylinder body 187 A wire separation prevention cylinder 186 including a second piston rod 188 mounted to the other end of the second rotation bar 185 to be relatively rotatable is provided.

The separation prevention roller 183 is formed in the shape of a disc shorter than the outer circumferential contact roller 173, and the end of the first extension 153 connected to the second extension 154 of the drum body 152. side, preventing the wire from passing over to the second extension part 154.

On the other hand, the wire tension adjusting unit 190 adjusts the tension of the metal wire R when the metal wire R pulled by the pull drum 151 is transferred forward, and the first vertical plate facing the mounting space 53. One end is rotatably mounted on one surface of (55), formed through the third vertical plate 61 on the front side, and protrudes from the third vertical plate 61 through the through-hole 62 extending vertically. a third rotation bar 191; A wire tension control roller 193 rotatably mounted on one end of the third rotation bar 191 and facing the pull drum 151 to support the wire R transferred from the pull drum 151; A third cylinder body 197 mounted on the first vertical plate 55 to be located in the mounting space 53, and one end protruding from the third cylinder body 197 and capable of moving forward and backward on the third cylinder body 197 A tension adjusting cylinder 196 including a third piston rod 198 mounted to one side of the third rotation bar 189 in the longitudinal direction to be relatively rotatable.

The cooling water supply unit 200 includes a cooling water storage tank (not shown) in which cooling water is stored, a cooling water supply pipe portion 201 extending from the cooling water storage tank to a supply nozzle 126 mounted on an outer frame of the die support, and a cooling water supply pipe portion. (201) A cooling water supply pump 203 connected to one side and mounted on the partition plate 68, and a cooling water discharge pipe portion 205 extending from the cooling water storage tank to the discharge nozzle 128 mounted on the outer frame of the die support , It is connected to one side of the cooling water discharge pipe part 205 and is provided with a cooling water discharge pump 207 mounted on the partition plate 68.

In addition, the cooling water supply unit 200 includes a cooling water temperature sensor (not shown) for detecting the temperature of the cooling water discharged from the cooling water receiving space 137 of the fixed jig unit 121 through the cooling water discharge pipe 205, and the cooling water. It is preferable that a cooling water heat exchanger (not shown) is connected to one side of the discharge pipe part 205 to cool the temperature of the cooling water flowing through the cooling water discharge pipe part 205 .

The fresh oil supply unit 220 penetrates the fresh oil storage tank 221 in which fresh oil is stored and the upper side of the first vertical plate 55 in the fresh oil storage tank 221 and extends upward of the fresh part 110. The fresh oil supply pipe 222, the fresh oil supply valve 223 mounted to be able to open and close at the end of the fresh oil supply pipe 222, and the receiving space of the mounting table 111 connected to the fresh oil supply valve 223 ( 112), a fresh oil supply nozzle 224 for supplying fresh oil, and a fresh oil collection pipe 225 connected to the fresh oil discharge hole 117 of the mounting table 111 and extending to the fresh oil storage tank 221, A filter 226 installed on one side of the fresh oil recovery pipe 225 to filter fresh oil discharged from the fresh oil collection pipe 225 and a fresh oil cooling unit 228 installed on one side of the fresh oil recovery pipe 225 to cool the fresh oil ), and is installed on one side of the fresh oil supply pipe 222 or fresh oil recovery pipe 225 to pump fresh oil in the fresh oil storage tank 221 to the fresh oil supply pipe 222 or fresh oil discharged from the fresh oil supply pipe 222 It is provided with a fresh oil circulation pump 230 for pumping to the fresh oil storage tank 221 side.

In addition, the fresh oil supply unit 220 is branched from the fresh oil recovery pipe 225, and a fresh oil discharge pipe (not shown) that can be discharged to the outside when the temperature and PH of the fresh oil is above the normal range and a discharge pipe installed in the fresh oil discharge pipe An on/off valve (not shown) is provided.

Although not specifically shown, the fresh oil cooling unit 228 extends into a cooling chamber (not shown) through which the fresh oil recovery pipe 225 passes, and the cooling chamber adjacent to the fresh oil recovery pipe 225, and contains fresh oil inside. A general heat exchanger having a heat exchange tube (not shown) through which a refrigerant for cooling oil flows may be applied.

The unit control unit 250 includes a unit operation unit 251, a unit control unit 261, a control valve 271, a speed reducer breakage detection sensor 274, a drum rotation speed detection sensor 277, and a wire line state sense A branch 229 is provided.

Although not specifically shown, the unit control unit 251 is mounted on the side of the top plate 67 of the support frame 51, and includes a first operating lever for driving the fresh oil circulation pump 230 and a drum rotation motor 162 ), the third operating lever for driving the coolant supply pump 203 and the coolant discharge pump 207, and the tension control for adjusting the position of the wire tension control roller 193. A fourth operating lever for driving the cylinder 196, and a wire rod adhesion adjusting cylinder 176 for adjusting the position of the outer circumference adhesion roller 173 and the detachment prevention roller 183 in close contact with the outer circumference of the drum body 152, A fifth operating lever for driving the wire separation prevention cylinder 186 may be provided.

In addition, the unit control unit 251 may be provided with an emergency stop button and an operating state notification lamp indicating whether or not a normal operating state is present.

The control valve 271 is a fluid branch supply pipe (179a, 189a, 199a) and a fluid branch recovery pipe (179b, 189b, 199b) and is connected to a cylinder drive pump 272 mounted on one side of a main fluid supply pipe (not shown) extending from the fluid storage tank 273 in which fluid is stored.

The reducer breakage detection sensor 274 is mounted in the reducer 165 to detect breakage of a bearing or gear unit, and a temperature sensor may be applied.

The drum rotation speed detection sensor 277 is installed on the side of the drum rotation motor 162 to detect the rotation speed of the driving shaft 163, and a general encoder may be applied.

The fresh state detection unit 229 includes a temperature sensor (not shown) for detecting the temperature of fresh oil and a PH measuring sensor (not shown) for detecting PH of fresh oil.

The unit control unit 261 operates the fresh oil circulation pump 230, the drum rotation motor 162, the cooling water supply pump 203, the cooling water discharge pump 207, and the control valve 271 according to the operation command of the unit operation unit 251. and the driving of the cylinder drive pump 272 is controlled.

The unit controller 261 controls the operation of the discharge pipe opening/closing valve so that fresh oil is discharged to the fresh oil discharge pipe when the temperature and PH of the fresh oil are within the set range, and when the fresh oil is within the normal range, the discharge opening/closing valve is closed and the fresh oil is circulated. It is possible to control the driving of the Shinseonwoo circulation pump. In addition, the unit control unit 261, when the temperature transmitted from the reduction gear damage detection sensor 274 is above the normal range or the drive shaft rotational speed transmitted from the drum rotational speed detection sensor 277 is higher or lower than the set speed, the manager The drive of the drum rotation motor 162 can be stopped so that inspection or maintenance can be performed.

In addition, the unit control unit 261 is connected to a cooling water temperature sensor (not shown) to drive the cooling water supply pump 203 and the cooling water discharge pump 207 so that the cooling water is supplied to the cooling water receiving space 137 only below the set temperature. You can control it.

On the other hand, the outer circumferential surface of the drum body 152 of the pull drum 151 can contact the outer circumferential contact roller 173 and the separation prevention roller 183, so that the outer circumference adhesion roller 173 and the separation prevention roller 183 are in close contact. A contact detection sensor (not shown) for detecting may be further provided. In addition, the unit control unit 261 is connected to the adhesion detection sensor so that the outer circumferential adhesion roller 173 and the detachment prevention roller 183 adhere to the outer circumference of the pull drum 151 with a set pressure, so that the wire rod detachment prevention cylinder 186 and the wire rod The driving of the cylinder drive pump 272 can be controlled so that the length expansion and contraction of the closeness adjusting cylinder 176 is adjusted.

Then, the unit control unit 261 receives signals from the reducer breakage detection sensor 274, the drum rotation speed detection sensor 277, and the wireline state detection unit 229, and operates when a signal value greater than or equal to a set range is transmitted. The status notification lamp may be controlled to have different emission cycles or to emit different colors from those in the normal operating state.

In the metal wire drawing device 50 according to an embodiment of the present invention, the pull drum 151 for pulling the wire rod to be drawn is installed to rotate in the horizontal direction, so it is easy to secure the installation space and the wire rod R is on one side. When passing through the mounted die 141, it is easy to pull, so there is an advantage in that the drawing efficiency can be improved.

In addition, the metal wire drawing device 50 according to an embodiment of the present invention is supported by the metal wire R between the first and second guide rollers supporting the metal wire R in the transfer guide unit 81. The tension of the metal wire R entering the die 141 can be maintained by the elevating tension maintaining roller, so that the wire drawing efficiency can be improved.

In addition, the metal wire drawing device 50 according to an embodiment of the present invention blows air around the metal wire R from the inlet side of the die 141 to remove foreign substances attached to the metal wire R or draw the wire. Excessive adhesion of oil can be prevented, and the wire drawing efficiency in the die 141 can be further improved.

In addition, the metal wire drawing device 50 according to an embodiment of the present invention includes an outer circumferential contact roller 173 that adheres the wire R to the outer circumferential surface of the pull drum 151, and a rotating shaft of the pull drum 151 Pulling efficiency can be improved by the separation prevention roller 183 that prevents separation in the extension direction, and wire rod transfer efficiency is improved by the wire rod tension control roller 193 that controls the tension of the wire rod to be transported, thereby improving the overall wire drawing process. Efficiency can be improved.

In addition, the metal wire drawing device 50 according to an embodiment of the present invention can resupply the fresh oil supplied to and discharged from the drawing unit 110 through a filter and circulate it to be re-supplied to the drawing unit 110 for management. There is an advantage that efficiency can be improved.

In the metal wire drawing device 50 according to an embodiment of the present invention, the unit control unit 261 operates the fresh oil circulation pump 230, the drum rotation motor 162, and the cooling water in accordance with the operator's operation command of the unit operation unit 251. It is possible to control the operation of the supply pump 203, the coolant discharge pump 207, the control valve 271, and the cylinder drive pump 272, and the damage detection sensor 274 of the reducer, the drum rotation speed detection sensor 277, and It is possible to receive sensing information from the wire drawing state detection unit 229 and determine whether or not to continue driving, so there is an advantage in that the efficiency of the wire drawing process can be improved.

Meanwhile, FIG. 10 shows a metal wire wire drawing device 350 according to another embodiment of the present invention.

The metal wire drawing device 350 according to another embodiment of the present invention excludes the transfer guide part 381, the inner frame 330, and the die 341, and the wire drawing device 50 according to an embodiment of the present invention ) is identical to the structure of

The transfer guide unit 381 is the transfer guide unit 81 according to an embodiment of the present invention, except that it further includes first and second guide rings 392 and 393 protruding from the outer circumferential surface of each guide bar 91. is identical to the structure of

The first guide ring 392 and the second guide ring 393 protrude in a ring shape from the top and bottom of the outer circumferential surface of the guide bar 91, and are symmetrical to each other with respect to the central side in the longitudinal direction of the guide bar 91. is formed

Referring to FIG. 10, the first guide ring 392 and the second guide ring 393 are formed to protrude from each other toward the other side facing each other, and are spaced between the pair of guide bars 91. When the guide bar 91 is rotated by the metal wire R extending through, the metal wire R is guided toward the center of the guide bar 91 in the longitudinal direction.

The inner frame 330 includes a flange portion 131 and a die support portion 333 .

The die support part 333 has a cooling water inlet groove 347 introduced in a ring shape on the inner circumferential surface, and the outer

The cooling water inlet hole 348 through which the cooling water in the cooling water receiving space 137 flows through the cooling water inlet groove 347 on one side of the circumferential surface and the cooling water inlet groove 347 passing through the cooling water inlet groove 347 on the other side of the outer circumferential surface. A cooling water discharge hole 349 is formed to discharge the introduced cooling water into the cooling water receiving space 137 .

The coolant inlet groove 347 is drawn in and formed with a larger width than the diameters of the coolant inlet hole 348 and the coolant discharge hole 349 .

The die 341 has an extrusion hole 142 formed therein, and has a cooling water contact area expansion groove 344 extending in a spiral direction and communicating with the cooling water inlet groove 137 while entering the outer circumferential surface.

In the metal wire drawing device 350 according to another embodiment of the present invention, the metal wire R extending between the pair of guide bars 91 by the first and second moving guide rings 392 and 393 is a guide bar ( 91), it is easy to enter between the lower part of the first and third guide rollers 94 and 98 and the upper part of the second guide roller 96, so the wire rod conveying efficiency can be improved.

In addition, in the metal wire drawing device 350 according to another embodiment of the present invention, the coolant in the coolant receiving space 137 passes through the coolant inlet groove 347 and the coolant contact area expansion groove 344 formed on the outer circumferential surface of the die 141 Since the cooling water flows into the cooling water discharge hole 349 and is discharged, there is an advantage in that the die cooling efficiency can be improved.

In the above, the metal wire drawing device of the present invention has been described with reference to the embodiment shown in the drawings, but this is only exemplary, and various modifications and other equivalent embodiments can be made by those skilled in the art. will understand that Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the attached registered claims.

50: metal wire drawing device 51: support frame
81: transfer guide part 110: fresh part
111: cooling chamber 121: die holder
145: heat pipe 150: wire pulling unit
151: pulling drum 153a: wire mounting groove
161: drum rotation drive unit 171: wire rod drum adhesion unit
190: wire tension control unit 200: cooling water supply unit

Claims (5)

a support frame; a transfer guide part installed on one side of the support frame and guiding the metal wire rod to be transferred to the other end side of the support frame in the longitudinal direction of the support frame; a wire drawing unit installed on one side of the support frame to face the transfer guide unit and drawing the metal wire to a set diameter by the transfer guide unit; a wire pulling unit including a pull drum having a central side attached to a rotating shaft penetrating in a horizontal direction from one side of the support frame and pulling the metal wire drawn from the wire drawing part; A wire tension adjusting unit that adjusts the tension of the metal wire in contact with the metal wire that is pulled and moved by the pulling drum;
The pull drum
The outer circumferential surface is concave along the circumferential direction so that one side portion of the metal wire rod entered from the wire wire portion and in contact with the outer circumferential surface and the other side portion of the metal wire rod wound on the outer circumferential surface and transported in a direction away from the wire wire portion do not come into contact with each other. A metal wire drawing device characterized in that a plurality of wire rod seating grooves drawn in to have a curved surface are formed or extended in a spiral direction. The method of claim 1, wherein the fresh part
A cooling chamber fixedly mounted on one side of the support frame, opened upward to receive fresh oil, and having an accommodation space partially opened on both sides in the longitudinal direction through which the metal wire extending from the transfer guide part to the pull drum passes through; and , A die holder accommodated in the accommodation space, detachably installed in the cooling chamber, and having a die holder for the metal wire drawing therein,
The dice holder
An inlet groove opened in one longitudinal direction of the cooling chamber coupled to the transfer guide unit, and a through-formed inlet groove communicated with the inlet groove at the center side of the other longitudinal end side of the cooling chamber to pass through the dies An outer frame in which a wire through hole through which the metal wire passes is formed and coupled to the other end side in the longitudinal direction of the cooling chamber;
an inner frame accommodated in the inlet groove and having an inner side penetrating in the longitudinal direction of the cooling chamber into which the dies are inserted;
A die restraint frame detachably coupled to the inner frame so that the dies inserted into the inner frame are restrained and having a wire rod guide hole formed at the center so that the metal wire rod penetrates and extends;
A metal wire wire drawing apparatus comprising a plurality of heat pipes arranged in a circumferential direction in a cooling water accommodating space formed around the inner frame between the outer frame and the inner frame. The method of claim 2, wherein the inner frame
A flange portion having an outer diameter corresponding to the inner diameter of the inlet groove and contacting the inner circumferential surface of the outer frame and penetrating the outer frame; A ring-shaped coolant receiving space is formed between the inner circumferential surfaces of the die support portion having an inner side that penetrates in the front and rear directions corresponding to the diameter of the die,
The outer frame is penetrated in communication with the cooling water receiving space at one side of the outer circumferential surface to form first and second nozzle mounting holes for supplying and discharging cooling water into the cooling water receiving space,
A plurality of the heat pipes
Arranged along the circumferential direction on the outer circumferential surface of the die support portion, each formed in a flat plate shape having a certain width, the other side in the longitudinal direction protruding from the outer circumferential surface of the die support portion relative to one longitudinal side attached to the outer circumferential surface of the die support portion. A metal wire wire drawing device characterized in that each is formed by bending based on the center side in the longitudinal direction. According to claim 3,
A cooling water supply unit for supplying cooling water to the first nozzle mounting hole and discharging the cooling water flowing into the cooling water receiving space to the outside through the second nozzle mounting hole;
The die support part
A coolant inlet hole formed in a ring shape on the inner circumferential surface, a coolant inlet hole through which the coolant in the coolant receiving space is introduced through the coolant inlet groove at one side of the outer circumferential surface, and a coolant inlet hole that penetrates into the coolant inlet groove at the other outer circumferential surface and enters the coolant inlet groove. A cooling water discharge hole for discharging the introduced cooling water into the cooling water receiving space is further formed,
The die is
A metal wire wire drawing device, characterized in that a cooling water contact area expansion groove is further formed on the outer circumferential surface and extending in a spiral direction and communicating with the cooling water inlet groove. The method of claim 1, wherein the wire tension adjusting unit
A wire tension control roller located at the other end of the support frame and in contact with the metal wire rod pulled by the pull drum and transported to the other end of the support frame, and one side rotatably mounted on the other end of the support frame, A rotation bar through which the shaft of the wire tension control roller is rotatably mounted in a horizontal direction at the other end protruding from the support frame, and one side in the longitudinal direction is rotatably mounted on one side of the support frame and the other side in the longitudinal direction is A metal wire drawing machine characterized in that it is provided with a tension adjusting cylinder which is rotatably mounted on the rotating bar and adjusts the position of the wire tension adjusting roller by rotating the rotating bar according to length expansion and contraction.

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