CN109078995B - Metal wire drawing device - Google Patents

Metal wire drawing device Download PDF

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Publication number
CN109078995B
CN109078995B CN201810981259.7A CN201810981259A CN109078995B CN 109078995 B CN109078995 B CN 109078995B CN 201810981259 A CN201810981259 A CN 201810981259A CN 109078995 B CN109078995 B CN 109078995B
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China
Prior art keywords
wire
box
frame
fixed
compression
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Application number
CN201810981259.7A
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Chinese (zh)
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CN109078995A (en
Inventor
陈炳泉
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Jiaxing Yahua Cable Co ltd
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Jiaxing Yahua Cable Co ltd
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Priority to CN201810981259.7A priority Critical patent/CN109078995B/en
Publication of CN109078995A publication Critical patent/CN109078995A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/04Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/02Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/04Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/04Making uncoated products by direct extrusion
    • B21C23/08Making wire, bars, tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00Profiling tools for metal extruding
    • B21C25/08Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00Cooling, heating or lubricating drawing material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)

Abstract

The invention relates to the technical field of wire drawing devices and discloses a metal wire drawing device which comprises a feed inlet, wherein a compression frame is fixedly arranged at the bottom of the feed inlet, a compression groove is formed in the compression frame, a hydraulic telescopic rod is movably arranged on the left side of the compression frame, a heating pipe is fixedly arranged at the right end of the compression frame, an electromagnetic heating ring is fixedly arranged on the outer surface of the heating pipe, an adjusting device is arranged in the heating pipe, and a metal wire is movably connected in the heating pipe. Through the feed inlet feeding, start hydraulic telescoping rod, diameter when carrying out qualitative control wire drawing with the material through the compressed groove, the diameter size is changed to the size of accessible change compressed groove export, and rethread handle rotates the threaded rod, drives the slider, drives the fixed axle through the slider, can change the diameter of passageway again, can both satisfy to the diameter requirement of difference like this, stretches through first tensile mould, the tensile mould of second again.

Description

Metal wire drawing device
Technical Field
The invention relates to the technical field of wire drawing devices, in particular to a metal wire drawing device.
Background
At present, the wire rod is continuously from thick to thin through the drawing treatment of a wire drawing device, the wire rod produced by an aluminum product manufacturer is processed into the wire rod with the diameter, roundness, internal metallographic structure, surface finish and straightening degree reaching the required raw material treatment requirements, or the aluminum product is processed into the required wire rod, and the material is pressurized through pressure.
The drawing die can produce the waste dust when drawing the wire to traditional wire drawing machine does not have cooling device, can't in time cool off the wire, influences the processingquality of mould life-span and wire, influences the quality of wire after the drawing, causes economic loss easily, can't change diameter or the width of wire rod at will simultaneously, consequently, we have designed this kind of metal wire drawing device.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a metal wire drawing device which has the advantages of timely cooling and convenient diameter change, and solves the problem that the diameter of a wire cannot be changed randomly without a cooling device.
(II) technical scheme
In order to achieve the aim of cooling during the time and conveniently changing the diameter, the invention provides the following technical scheme: the utility model provides a metal wiredrawing device, includes the feed inlet, the bottom fixed mounting of feed inlet has the compression frame, the compression groove has been seted up to the inside of compression frame, the left side movable mounting of compression frame has hydraulic telescoping rod, the right-hand member fixed mounting of compression frame has the heating pipe, the surface mounting of heating pipe has electromagnetic heating circle, adjusting device has been seted up to the inside of heating pipe, the inside swing joint of heating pipe has the wire, the right-hand member swing joint of wire has first fixed pulley, the center of first fixed pulley has the box through connecting plate fixedly connected with, the inside lower surface left side fixed mounting of box has first stretching die, the inside lower surface right side fixed mounting of box has the second stretching die, the inside lower surface of box just has first drive wheel at fixed mounting between first stretching die and second stretching die, the left side fixed mounting of box upper surface has the exhaust column, the right-hand member at exhaust column top just has the dust collection box at the upper surface fixed mounting of box, the right-hand member fixed mounting of dust collection box has first fixed pulley, the right-hand member fixed connection has the motor fixed pulley through the connecting plate fixed connection, the motor fixed pulley is close to the second movable pulley through the second movable connection of wire cooling wire, the movable roller is connected with the second movable pulley through the second movable pulley, the cooling wire is connected with the second movable pulley through the second movable shaft.
Preferably, the right end of the hydraulic telescopic rod penetrates through and extends into the compression groove in the compression frame, and the right half part of the compression groove is isosceles trapezoid.
Preferably, the heights of the first fixed pulleys at the two outer sides of the box body and the heights of the second fixed pulleys at the two ends of the top of the cooling water tank are positioned on the same horizontal plane.
Preferably, through holes are symmetrically formed in the bottoms of the two sides of the box body.
Preferably, the electromagnetic heating ring is a heating ring made of copper enameled wire material, and the electromagnetic heating ring is provided with one electromagnetic heating ring.
Preferably, a filter screen is arranged at the connection port of the exhaust fan and the dust box.
Preferably, the adjusting device comprises a stretching pipeline, the outer side surface of the stretching pipeline is fixedly connected with a fixing shaft, one end of the fixing shaft, which is far away from the stretching pipeline, is movably connected with a fixing frame, a sliding groove is formed in the fixing frame, a sliding block is movably mounted in the sliding groove, a threaded rod is fixedly connected with the top of the sliding block, the threaded rod penetrates through the frame and is fixedly provided with a nut on the outer surface of the frame, and a handle is fixedly mounted at the top of the threaded rod.
(III) beneficial effects
Compared with the prior art, the invention provides a metal wire drawing device, which has the following beneficial effects:
1. This metal wire drawing device, through the feed inlet feeding, starts hydraulic telescoping rod, the diameter when qualitative control wire drawing is carried out to the material through the compressed groove, the diameter size is changed to the size of accessible change compressed groove export, rethread handle rotation threaded rod drives the slider, drives the fixed axle through the slider, the diameter of accessible again changes the passageway, like this to the diameter requirement of difference can all be satisfied, the rethread first drawing die, the drawing die of second stretches.
2. This metal wire drawing device through set up the air exhauster at the box top, absorbs into the dust collection box through the exhaust column the waste dust that produces when some tensile wire, can effectively get rid of the waste dust when tensile wire to can have good radiating effect to the box in with the wire, the starter motor rotates the take-up roller, and the pulling wire passes through the second drive wheel in the cooling trough, so cools off the wire after stretching, and the cooling effect is better, improves the quality of wire.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of the take-up roller of the present invention;
FIG. 3 is a schematic view of the structure adjusting device of the present invention.
In the figure: 1 feed inlet, 2 compression frame, 3 compression groove, 4 hydraulic telescoping rod, 5 heating pipes, 6 electromagnetic heating circle, 7 adjusting device, 71 tensile pipeline, 72 fixed axle, 73 fixed frame, 74 slider, 75 spout, 76 threaded rod, 77 nut, 78 handle, 8 wire, 9 first fixed pulley, 10 box, 11 first tensile mould, 12 first drive wheel, 13 second tensile mould, 14 exhaust column, 15 dust collection box, 16 air exhauster, 17 second fixed pulley, 18 cooling water tank, 19 second drive wheel, 20 motor, 21 take-up roller, 22 pivot, 23 frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a metal wire drawing device comprises a feed inlet 1, a compression frame 2 is fixedly arranged at the bottom of the feed inlet 1, a compression groove 3 is arranged in the compression frame 2, a hydraulic telescopic rod 4 is movably arranged at the left side of the compression frame 2, the model of the hydraulic telescopic rod 4 is HSG63X50, the speed range is 0.8m/s, the cylinder diameter is 63mm, the rod diameter is 40mm, the speed ratio is 1/4, the right end of the hydraulic telescopic rod 4 penetrates through and extends into the compression groove 3 in the compression frame 2, the shape of the right half part of the compression groove 3 is isosceles trapezoid, a heating pipe 5 is fixedly arranged at the right end of the compression frame 2, the model of the heating pipe 5 is KED, the power is 1000W, the working voltage is 220/380V, the pipe diameter is 12mm, the service life is 10000h, the heating pipe 5 is an electric heating wire is arranged in a seamless metal pipe (carbon steel pipe, titanium pipe, stainless steel pipe, copper pipe), the gap is filled with magnesia powder with good thermal conductivity and insulation property, and then contracted into various shapes required by users, the structure is simple, the thermal efficiency is high, the mechanical strength is good, the applicability to severe environment is good, the device can be used for heating various liquids and acid-base salts, and is also suitable for heating and melting metals with low melting points, such as lead, zinc, tin and Babbitt alloy, the outer surface of the heating pipe 5 is fixedly provided with an electromagnetic heating ring 6, the model of the electromagnetic heating ring 6 is ZC-XQ, the power is 1500-6000W, the diameter is 50-1000mm, the length is 100-1000mm, the electromagnetic heating ring 6 rectifies, filters and inverts a 220V alternating current power supply into a high-frequency alternating current of 25-30KHZ through a power electronic technology and an electromagnetic compatibility technology, so that the high-frequency alternating current is converted into a high-frequency alternating magnetic field which is contacted with a metal charging barrel and is converted into the high-frequency alternating current, the current leads the heated equipment to directly heat from the inside, the electromagnetic heating ring 6 is a heating ring made of copper enameled wire materials, the electromagnetic heating ring 6 is provided with 3 heating pipes, the inside of each heating pipe 5 is provided with an adjusting device 7, each adjusting device 7 comprises a stretching pipe 71, the outer side surface of each stretching pipe 71 is fixedly connected with a fixed shaft 72, one end of each fixed shaft 72 far away from each stretching pipe 71 is movably connected with a fixed frame 73, the inside of each fixed frame 73 is provided with a sliding groove 75, the inside of each sliding groove 75 is movably provided with a sliding block 74, the top of each sliding block 74 is fixedly connected with a threaded rod 76, each threaded rod 76 penetrates through the frame 23 and is fixedly provided with a nut 77 on the outer surface of the frame 23, the top of each threaded rod 76 is fixedly provided with a handle 78, the inside of each heating pipe 5 is movably connected with a metal wire 8, the right end of each metal wire 8 is movably connected with a first fixed pulley 9, the center of the first fixed pulley 9 is fixedly connected with a box body 10 through a connecting plate, through holes are symmetrically formed in the bottoms of two sides of the box body 10, the height of the first fixed pulley 9 at two outer sides of the box body 10 and the height of the second fixed pulley 17 at two ends of the top of a cooling water tank 18 are positioned on the same horizontal plane, a first stretching die 11 is fixedly arranged at the left side of the lower surface inside the box body 10, a second stretching die 13 is fixedly arranged at the right side of the lower surface inside the box body 10, a first driving wheel 12 is fixedly arranged on the lower surface inside the box body 10 and between the first stretching die 11 and the second stretching die 13, an exhaust tube 14 is fixedly arranged at the left side of the upper surface of the box body 10, a dust collecting box 15 is fixedly arranged at the right end of the top of the exhaust tube 14 and on the upper surface of the box body 10, the model of the dust collecting box 15 is GT-DLZ/DY-1K, the processed air quantity is 1000m < 3 >/h, the purifying rate is 99%, an exhaust fan 16 is fixedly arranged at the right end of the dust collecting box 15, the type of the exhaust fan 16 is DPT20-55B, the shaft power 160w, the blade number 6, the weight 9.3kgkg, the voltage 220v, the exhaust fan 16 is divided into four types of high, medium, low and negative pressure in terms of ventilation principle, the negative pressure fan series products are all designed by CAD/CAM, the fan has the characteristics of low noise, low power consumption, large air quantity, stable operation, long service life and high efficiency, the shutter automatic opening and closing system is realized, the waterproof, dustproof and attractive appearance are achieved, the negative pressure fan is arranged outside a workshop window, the air outlet is generally selected, the exhaust fan is used for exhausting peculiar smell gas, all the places needing ventilation can be basically used, the filter screen is arranged at the connection port of the exhaust fan 16 and the dust box 15, the right end of the box 10 is movably connected with a second fixed pulley 17 through a metal wire 8, the bottom of the second fixed pulley 17 is fixedly arranged at the position of the second fixed pulley 18, one side of the second fixed pulley 17, which is close to the vertical axis of the cooling water tank 18, the second driving wheel 19 is movably connected with the inside the cooling water tank 18 through the metal wire 8, the right side of the second driving wheel 19 is movably connected with a motor 21 through the metal wire 8, the motor 21 is movably connected with the motor 21, the rotating shaft 22 is fixedly connected with the rotating shaft 20.20 kg of the rotating shaft 20.20, the rotating speed is 20.20 kg, the rotating speed is 20.20, the rated power is fixedly arranged at the rotating speed of the rotating shaft is 20 kg, the rotating speed of the rotating shaft is 20.20, and the rotating speed is 20.20 kg is 20, and the rotating speed is 2.20, and the speed is 2, the 2 is 20, the 2 kg.
When the device is used, the feeding port 1 is used for feeding, the hydraulic telescopic rod 4 is started, the diameter of a material is qualitatively controlled through the compression groove 3, the diameter is changed by changing the size of the outlet of the compression groove 3, the handle 78 is used for rotating the threaded rod 76 to drive the sliding block 74, the sliding block 74 is used for driving the fixed shaft 72 to change the diameter of a channel again, the exhaust fan 16 is arranged at the top of the box body 10, waste dust generated when some metal wires 8 are stretched through the exhaust fan 14 is absorbed into the dust box 15, the metal wires are stretched through the first stretching die 11 and the second stretching die 13, the motor 20 is started, the wire winding roller 21 is rotated, the metal wires 8 are pulled, and the second driving wheel 19 in the cooling water groove 18 is used for cooling the stretched metal wires 8.
To sum up, this metal wire drawing device, feeding through feed inlet 1, start hydraulic telescoping rod 4, the diameter when carrying out qualitative control wire drawing with the material through compressing tank 3, the accessible changes the size of compressing tank 3 exit and changes the diameter size, rethread handle 78 rotates threaded rod 76, drive slider 74, drive fixed axle 72 through slider 74, the diameter of passageway can be changed again, like this can all satisfy to different diameter requirements, stretch through first drawing die 11, second drawing die 13, through set up air exhauster 16 at the box 10 top, waste dust that produces when will some stretching wire 8 through exhaust column 14 absorbs into dust collection box 15, waste dust when can effectively getting rid of stretching wire 8, and can have good radiating effect to box 10 and wire 8, starter motor 20, rotate wire-collecting roller 21, pull wire 8, through the second drive wheel 19 in the cooling trough 18, so cool off wire 8 after stretching, the cooling effect is better, improve wire 8's quality.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a metal wire drawing device, includes feed inlet (1), its characterized in that: the bottom of feed inlet (1) fixed mounting has compression frame (2), compression groove (3) have been seted up to the inside of compression frame (2), the left side movable mounting of compression frame (2) has hydraulic telescoping rod (4), the right-hand member fixed mounting of compression frame (2) has heating pipe (5), the surface fixed mounting of heating pipe (5) has electromagnetic heating circle (6), adjusting device (7) have been seted up to the inside of heating pipe (5), the inside swing joint of heating pipe (5) has wire (8), the right-hand member swing joint of wire (8) has first fixed pulley (9), the center of first fixed pulley (9) is through connecting plate fixedly connected with box (10), the inside lower surface left side fixed mounting of box (10) has first stretching die (11), the inside lower surface right side fixed mounting of box (10) has second stretching die (13), the inside lower surface and between first stretching die (11) and second stretching die (13) has wire (12), the fixed mounting of box (14) on the top of first air suction pipe (14) has at the top fixed mounting of box (14), the dust collection box is characterized in that an exhaust fan (16) is fixedly arranged at the right end of the dust collection box (15), a second fixed pulley (17) is movably connected to the right end of the box body (10) through a metal wire (8), a cooling water tank (18) is fixedly arranged at the bottom of the second fixed pulley (17), a second driving wheel (19) is movably connected to one side, close to the vertical axis of the cooling water tank (18), of the second fixed pulley (17) through the metal wire (8), a wire collecting roller (21) is movably connected to the right side of the second driving wheel (19) through the metal wire (8), a rotating shaft (22) is movably connected to the center of the wire collecting roller (21), a motor (20) is fixedly connected to the rotating shaft (22), and a frame (23) is fixedly arranged at the bottom of the motor (20); the adjusting device (7) comprises a stretching pipeline (71), a fixed shaft (72) is fixedly connected to the outer side face of the stretching pipeline (71), a fixed frame (73) is movably connected to one end, far away from the stretching pipeline (71), of the fixed shaft (72), a sliding groove (75) is formed in the fixed frame (73), a sliding block (74) is movably mounted in the sliding groove (75), a threaded rod (76) is fixedly connected to the top of the sliding block (74), the threaded rod (76) penetrates through the frame (23) and is fixedly provided with a nut (77) on the outer surface of the frame (23), and a handle (78) is fixedly mounted on the top of the threaded rod (76). The right end of the hydraulic telescopic rod (4) penetrates through and extends into the compression groove (3) in the compression frame (2), and the right half part of the compression groove (3) is isosceles trapezoid.
2. A metal wiredrawing apparatus according to claim 1, wherein: the heights of the first fixed pulleys (9) at the two outer sides of the box body (10) and the heights of the second fixed pulleys (17) at the two ends of the top of the cooling water tank (18) are positioned on the same horizontal plane.
3. A metal wiredrawing apparatus according to claim 1, wherein: through holes are symmetrically formed in the bottoms of two sides of the box body (10).
4. A metal wiredrawing apparatus according to claim 1, wherein: the electromagnetic heating rings (6) are made of copper enameled wire materials, and the number of the electromagnetic heating rings (6) is 3.
5. A metal wiredrawing apparatus according to claim 1, wherein: a filter screen is arranged at the connection port of the exhaust fan (16) and the dust box (15).
CN201810981259.7A 2018-08-27 2018-08-27 Metal wire drawing device Active CN109078995B (en)

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Application Number Priority Date Filing Date Title
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CN109078995B true CN109078995B (en) 2024-04-26

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CN110756606A (en) * 2019-10-19 2020-02-07 秦河新材股份有限公司 Metal product wire drawing and paying-off device
CN113145677B (en) * 2021-05-10 2023-07-28 东莞市镭洋智能科技有限公司 Manufacturing device for Tb rare earth metal wire
CN113245384A (en) * 2021-05-13 2021-08-13 潍坊工程职业学院 Negative pressure type wire drawing device for metal wire drawing
CN114035631B (en) * 2021-11-11 2022-07-08 郑州机械研究所有限公司 Method, device, apparatus and medium for controlling heating voltage of wire

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GB220127A (en) * 1923-06-28 1924-08-14 Western Electric Co Improvements in wire drawing apparatus
GB696298A (en) * 1950-10-20 1953-08-26 Marshall Richards Machine Comp Improved apparatus for the hot drawing of steel and other hard, ductile metals or alloys
US3946582A (en) * 1971-12-31 1976-03-30 Technofil S.P.A. Diestock for wiredrawing
EP0104955A2 (en) * 1982-09-29 1984-04-04 Fujikura Ltd. Apparatus for and method of drawing wire
US5893287A (en) * 1997-03-14 1999-04-13 Project 3-P Precise Pipe Production Ltd. Method and device for combined drawing and hydrostatic extrusion of billets from metal and alloys
DE102007019289A1 (en) * 2007-04-24 2008-10-30 Maschinenfabrik Niehoff Gmbh & Co. Kg Wire drawing device i.e. cone-type wire-drawing machine, has drives drivingly connected with shafts, where rotation speed control of drives takes place based on process parameter detected during drawing process
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CN205362250U (en) * 2016-03-15 2016-07-06 丽水市海卓科技有限公司 Automatic wire drawing assembly line
CN107377646A (en) * 2017-08-28 2017-11-24 铜陵市创威科技有限责任公司 A kind of wire-drawing die and its method of work with heat sinking function
CN207479205U (en) * 2017-10-10 2018-06-12 湖南中缆电缆有限公司 A kind of cable rolls wire-drawing frame with copper wire
CN207507997U (en) * 2017-10-19 2018-06-19 江西中晟金属有限公司 A kind of metal drawing
CN208906219U (en) * 2018-08-27 2019-05-28 湖州市练市创鑫金属拉丝厂 A kind of metal wire-drawing device

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