CN109570249A - A kind of refrigerator device for drawing steel pipe - Google Patents

A kind of refrigerator device for drawing steel pipe Download PDF

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Publication number
CN109570249A
CN109570249A CN201811260348.9A CN201811260348A CN109570249A CN 109570249 A CN109570249 A CN 109570249A CN 201811260348 A CN201811260348 A CN 201811260348A CN 109570249 A CN109570249 A CN 109570249A
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CN
China
Prior art keywords
die
steel pipe
shell
sleeve
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811260348.9A
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Chinese (zh)
Other versions
CN109570249B (en
Inventor
占利华
徐军
滕世政
徐勇军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Kang Sheng Pipe Industry Co Ltd
Original Assignee
Jiangsu Kang Sheng Pipe Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Kang Sheng Pipe Industry Co Ltd filed Critical Jiangsu Kang Sheng Pipe Industry Co Ltd
Priority to CN201811260348.9A priority Critical patent/CN109570249B/en
Publication of CN109570249A publication Critical patent/CN109570249A/en
Application granted granted Critical
Publication of CN109570249B publication Critical patent/CN109570249B/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
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02Cleaning by the force of jets or sprays
    • B08B3/022Cleaning travelling work
    • 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
    • B21C1/16Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/27Carriages; Drives
    • B21C1/28Carriages; Connections of grippers thereto; Grippers
    • 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
    • B21C1/16Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/32Feeding or discharging the material or mandrels
    • 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
    • B21C3/00Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/02Dies; Selection of material therefor; Cleaning thereof
    • 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
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • 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

Abstract

The invention discloses a kind of refrigerator device for drawing steel pipe, including shell, die sleeve and drawing die, die sleeve adaptation is in shell and front end exposes to except shell, drawing die adaptation is in the drawing die cavity in die sleeve and fixed, drawing die is equipped with the die hole with taper, drawing fixture corresponding with drawing die cavity port is equipped with before shell, lubrication cleaning liquid pipe is connected on shell, aqueous lubricating cleaning solution is connected in lubrication cleaning liquid pipe, lubrication cleaning liquid pipe is connected in drawing die cavity, and lubrication cleaning liquid pipe is externally provided with cleaning spray port in the drawing die cavity port of die sleeve front end.The present invention cleans convenience after steel pipe drawing can be improved, and reduces pollution, improves the powder feeding efficiency of steel pipe drawing operation.

Description

A kind of refrigerator device for drawing steel pipe
Technical field
The present invention relates to a kind of special for refrigerator part forming units, more specifically, it relates to a kind of refrigerator steel pipe drawing Device.
Background technique
Refrigerator is made after drawing with steel pipe with the seamed steel pipe that a kind of Ultra-low carbon quality carbon steel high frequency squeezes welding More specifications steel pipe.Feeding part the degree of automation of existing refrigerator device for drawing steel pipe is lower, cannot directly input to Steel pipe drawing, but necking must be carried out outside device for drawing steel pipe, it will be reduced to steel pipe drawing front end caliber, to be passed through Drawing die, then be fixedly clamped with drawing fixture and be pierced by the tube head of drawing die, it can start to carry out steel pipe drawing.And existing ice Case device for drawing steel pipe mostly uses the working method of oiliness drawing, i.e., in drawing process between steel pipe and drawing die with drawing oil into Row lubrication, there are a large amount of greasy dirts for the steel tube surface drawn in this way, and not only these waste oil are difficult to handle, and can also adhere to a large amount of drawings and produce Raw metal powder can bring larger difficulty to rear road cleaning process, to clean these waste oil and waste residue, and can generate a large amount of useless Water to lead to the problem of secondary pollution, and has further raised emissions processes cost.The reality of Publication No. CN207857549U A kind of double drawing lubrication devices of steel pipe were disclosed on September 14th, 2018 with new patent, including die body, die body are equipped with steel Pipe, steel pipe are equipped with drawing die I and drawing die II;Drawing die I is equipped with I lubrication zone of drawing die, and drawing die II is equipped with drawing II lubrication zone of mould;Isolation board is equipped between two drawing dies;Isolation board is equipped with oilhole, and oilhole is equipped with oil circuit.Of the invention Beneficial effect is that steel pipe connects when pulling out, using the oilhole of isolation board guarantee drawing die I and drawing die II lubrication zone lubricate it is abundant;Every It is parallel from board ends face, guarantee that two drawing dies are on the same line when steel pipe drawing;Oilhole is set on isolation board and guarantees lubrication Oil smoothly flows to II lubrication zone of drawing die from I lubrication zone of drawing die, keeps two drawing die lubrications abundant.But the invention is not related to How powder feeding efficiency is improved, and device use is also oil lubrication mode, therefore there is also the various of above-mentioned oil lubrication mode Inherent shortcoming.
Summary of the invention
Existing refrigerator device for drawing steel pipe feeding part the degree of automation is lower, and using the work side of oiliness drawing Formula not only influences production efficiency, but also will cause the problem of cleaning is difficult and exacerbation is polluted, and in order to overcome these deficiencies, the present invention provides Steel pipe drawing powder feeding efficiency can be improved in one kind, cleans convenience, reduces the refrigerator device for drawing steel pipe of pollution.
The technical scheme is that a kind of refrigerator device for drawing steel pipe, including shell, die sleeve and drawing die, die sleeve are suitable With in the shell and front end exposes to except shell, drawing die adaptation is in the drawing die cavity in die sleeve and fixed, Drawing die is equipped with the die hole with taper, and drawing fixture corresponding with drawing die cavity port is equipped with before shell, is connected with profit on shell Sliding cleaning liquid pipe, lubrication, which is cleaned in liquid pipe, is connected with aqueous lubricating cleaning solution, and lubrication cleaning liquid pipe is connected in drawing die cavity, lubricates It cleans liquid pipe and is externally provided with cleaning spray port in the drawing die cavity port of die sleeve front end.The aqueous lubricating cleaning solution that the present invention uses exists Drawing process has lubrication and cleaning function simultaneously, on the one hand carries out pouring leaching lubrication to the steel pipe before drawing, on the one hand to drawing Steel pipe afterwards carries out spray cleaning, cooling, and steel pipe is made to obtain liquid-film lubrication in drawing die, and steel tube surface is by clear in time after drawing It washes, since the mobility of aqueous lubricating cleaning solution is more preferable, the iron powder generated during the drawing process is also easily cleaned with aqueous lubricating Liquid stream is moved and is discharged, and drawing liquid is made to remain cleaning, and the steel tube surface of drawing is very clean.Due to the lubrication and drawing before drawing Aqueous lubricating cleaning solution is all used in cleaning after pulling out, can avoid the problem of grease is not allowed in oiliness drawing mode.Therefore, use is aqueous Cleaning solution being lubricated, being implemented in addition to may insure that the lubrication in drawing process, cooling are normal, cleaning convenience after drawing and clear Effect is washed far also superior to oiliness drawing.
Preferably, this refrigerator device for drawing steel pipe further includes pre- reducing die and pipe is sent to wear mold mechanism, pre- reducing die is located at After shell, pipe is sent to wear after mold mechanism is located at pre- reducing die, pre- reducing die is connected on the piston rod of a pre- reducing die oil cylinder, preshrunk Mouth mold oil cylinder is fixed on a pre- reducing die slide unit, and one is additionally provided on pre- reducing die slide unit and is located at pre- reducing die and pipe is sent to wear mould machine Steel pipe positioning fixture between structure.Steel pipe before drawing first carries out necking processing at pre- reducing die, so that steel pipe front end caliber The die hole that can be pierced on drawing die is narrowed down to, then the axial feed in the case where sending pipe to wear mold mechanism driving, by the steel pipe of necking Across drawing die, steel tube head exposes drawing die cavity port, is then drawn fixture and clamps, hereafter can carry out continuous drawing and add Work.Pre- reducing die slide unit is removable, and when carrying out steel pipe throat processing, pre- reducing die is mobile with pre- reducing die slide unit, is directed at steel Pipe port.After completing necking processing, pre- reducing die slide unit then takes pre- reducing die oil cylinder, pre- reducing die moves on one side, allows tapping Stand in channel before managing.This refrigerator device for drawing steel pipe is integrated with necking function, allow directly fed to steel pipe drawing without Online outer progress preprocessing, therefore steel pipe drawing powder feeding efficiency can be improved.
Preferably, described, to send pipe to wear mold mechanism include the steel pipe pushing wheel being arranged in pairs, and each pair of steel pipe pushing wheel exists respectively In the two sides to steel pipe drawing and to rolling, the wheel face of steel pipe pushing wheel is equipped with the race being adapted to steel pipe drawing circumferential surface.In pairs Steel pipe pushing wheel clamp to steel pipe drawing and to rolling, can be pushed by frictional force and be moved axially to steel pipe drawing, pipe is sent in realization Wear the steel pipe push function of mold mechanism.
Preferably, this refrigerator device for drawing steel pipe further includes clutch guide sleeves, clutch guide sleeves are located at die sleeve rear port Place, clutch guide sleeves include a pair of openable and closable half tapered sleeve, and fifty-fifty tapered sleeve is connected respectively a guide sleeves clutch oil cylinder, are guided It is fixed on the shell to cover clutch oil cylinder.Die hole of the steel pipe on drawing die after necking still has certain distance, by steel pipe hardness, The influence for sending pipe to wear mold mechanism kinematic accuracy and degree of trembling, the steel pipe after necking are possible to the misalignment drawing in axial feed Die hole on mould.And clutch guide sleeves are the taper sheath that two and half tapered sleeves are put together, the bootable necking of the inner conical surface of taper sheath Steel pipe afterwards is properly inserted the die hole on drawing die, and then is pierced by drawing die and is drawn fixture and clamp.
Preferably, the aqueous lubricating cleaning solution in lubrication cleaning liquid pipe is suds.The greasy property of suds is better than Light water, and suds have alkalinity, can produce certain anti-rust action in steel tube surface, keep product in turning the sequence period Non-corrosive.
Preferably, shell is set in a sink, it is installed with one on sink and scrapes water cutaneous branch frame, scrapes and is installed on water cutaneous branch frame One scrapes water skin, scrapes on the steel pipe after water skin is socketed in drawing.It is more to steel tube surface for scraping off cleaning spray port spray to scrape water skin Remaining moisture dries steel tube surface rapidly under the heating of self heat.
Preferably, die sleeve rotation connection is inside the shell, the exposed junction key connection of die sleeve has sprocket wheel, and sprocket wheel and a motor are logical Cross chain-drive mechanism connection.Motor band movable sprocket rotates, and then die sleeve, drawing die is driven to rotate relative to shell, so that steel pipe All there is relative motion in steel tube surface and drawing intermode axial direction, circumferential direction in drawing process, it is bright and clean to improve steel pipe drawing rear surface Degree prevents steel pipe drawing from generating scuffing.
Preferably, die sleeve is equipped with the feed liquor slot of perforation to drawing die cavity, die sleeve inner wall is equipped with axial sump pit.Profit Aqueous lubricating cleaning solution in sliding cleaning liquid pipe enters in drawing die cavity through feed liquor slot, pours and drenches on the steel pipe before drawing, and The aqueous lubricating cleaning solution under drip can be discharged for axial sump pit.
The beneficial effects of the present invention are:
Convenience is cleaned after improving steel pipe drawing, reduces pollution.The mobility for the aqueous lubricating cleaning solution that the present invention uses is more preferable, The iron powder generated during the drawing process is also easily flowed and is discharged with aqueous lubricating cleaning solution, and drawing liquid is made to remain cleaning, Moreover, aqueous lubricating cleaning solution is all used in the cleaning after lubrication and drawing before drawing, grease can avoid in oiliness drawing mode not The problem of appearance, cleaning is more convenient, and cleaning effect is more preferable, and discharge waste is less.
Improve the powder feeding efficiency of steel pipe drawing operation.The present invention is integrated with necking function, allows straight to steel pipe drawing Material is tapped into without online outer progress preprocessing, therefore steel pipe drawing powder feeding efficiency can be improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention;
Fig. 2 is the fit structure schematic diagram of shell, die sleeve, drawing die in the present invention;
Fig. 3 is pre- reducing die and a kind of top view for sending pipe to wear mold mechanism in the present invention.
In figure, 1- shell, 2- die sleeve, 3- drawing die, 4- die hole, 5- drawing die cavity, 6- lubrication cleaning liquid pipe, 7- cleaning spray Leaching mouth, the pre- reducing die of 8-, the pre- reducing die oil cylinder of 9-, 10- steel pipe pushing wheel, 11- clutch guide sleeves, 12- guide sleeves clutch oil cylinder, 13- sprocket wheel, 14- feed liquor slot, 15- axial direction sump pit, 16- scrape water skin, 17- sink, and 18- scrapes water cutaneous branch frame, 19- rack, 20- It lubricates and pours shower pipe road, 21- steel pipe, the pre- reducing die slide unit of 22-, 23- steel pipe positioning fixture, the pre- reducing die slide unit transverse cylinder of 24-, 25- fixture oil cylinder, 26- movable chuck, 27- push turbin generator, 28- pushing wheel slide unit, 29- pushing wheel sliding table oil cylinder.
Specific embodiment
The invention will be further described for specific embodiment with reference to the accompanying drawing.
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of refrigerator device for drawing steel pipe is set in a rack 19, this refrigerator device for drawing steel pipe Including shell 1, die sleeve 2, drawing die 3 and PLC control system, the adaptation of die sleeve 2 is in shell 1 and front end exposes to shell 1 Except, the adaptation of drawing die 3 is in the drawing die cavity 5 in die sleeve 2 and fixed, and drawing die 3 is equipped with the die hole 4 with taper, It is equipped with drawing fixture corresponding with 5 port of drawing die cavity before shell 1, lubrication cleaning liquid pipe 6 is connected on shell 1, lubricates cleaning solution Aqueous lubricating cleaning solution is connected in pipe 6, the aqueous lubricating cleaning solution in lubrication cleaning liquid pipe 6 is suds, soap in suds Mass ratio with water is 0.02:1.Lubrication cleaning liquid pipe 6 is poured shower pipe road 20 by lubrication and is connected in drawing die cavity 5, and lubrication is clear Lotion pipeline 6 is externally provided with cleaning spray port 7 in 5 port of drawing die cavity of 2 front end of die sleeve, and lubrication is poured in shower pipe road 20 and cleaning spray Mouth 7 is equipped with the solenoid valve in access PLC control system.This refrigerator device for drawing steel pipe further includes pre- reducing die 8 and pipe is sent to wear mould Mechanism after pre- reducing die 8 is located at shell 1, send pipe to wear after mold mechanism is located at pre- reducing die 8.Pre- reducing die 8 is equipped with reducing die Chamber can be such that steel pipe caliber reduces, and pre- reducing die 8 is connected on the piston rod of a pre- reducing die oil cylinder 9, and pre- reducing die oil cylinder 9 is solid Due on a pre- reducing die slide unit 22, pre- reducing die oil cylinder 9 is parallel to steel pipe direction of feed, is additionally provided on pre- reducing die slide unit 22 One is located at pre- reducing die 8 and pipe is sent to wear the steel pipe positioning fixture 23 between mold mechanism.Pre- reducing die slide unit 22 is slidably connected at machine On the pre- reducing die slide unit transverse slide rail at 19 top of frame, the work of pre- reducing die slide unit 22 and a pre- reducing die slide unit transverse cylinder 24 Stopper rod connection, pre- reducing die slide unit transverse cylinder 24 are fixed on 19 top of rack.Steel pipe positioning fixture 23 includes a pair of of fixture oil Cylinder 25 and a pair of of movable chuck 26, two movable chucks, 26 position is opposite and can draw close, separate, on the opposite face of two movable chucks 26 Equipped with the tube seat being adapted to steel pipe drawing, fixture oil cylinder 25 is fixed on pre- reducing die slide unit 22, and movable chuck 26 1 is a pair of It is connected to answering on fixture oil cylinder 25.25 stroke of fixture oil cylinder is greater than pre- 24 stroke of reducing die slide unit transverse cylinder.It is described to send pipe Wearing mold mechanism includes two pairs of steel pipe pushing wheels 10, and two steel pipe pushing wheels 10 in each pair of steel pipe pushing wheel 10 are divided in drawing The two sides of steel pipe are to rolling, and wheel shaft is parallel, and four steel pipe pushing wheels 10 connect one to one with four push turbin generators 27, steel pipe The center of pushing wheel 10 and the output shaft of push turbin generator 27 are keyed, and four push turbin generators 27 are separately fixed at two push It takes turns on slide unit 28, pushing wheel slide unit 28 is slidably connected on the pushing wheel slide unit sliding rail at 19 top of rack, each pushing wheel slide unit 28 are separately connected a pushing wheel sliding table oil cylinder 29.The wheel face of steel pipe pushing wheel 10 is equipped with the wheel being adapted to steel pipe drawing circumferential surface Slot.This refrigerator device for drawing steel pipe further includes clutch guide sleeves 11, and clutch guide sleeves 11 are located at 2 rear port of die sleeve, pre- necking The downstream of mould 8.Clutch guide sleeves 11 include a pair of openable and closable half tapered sleeve, and the clutch guide sleeves 11 and drawing die 3 after closing up are same Axis.Fifty-fifty tapered sleeve is connected respectively a guide sleeves clutch oil cylinder 12, and guide sleeves clutch oil cylinder 12 is fixed on shell 1, guidance The piston rod of set clutch oil cylinder 12 extends radially through shell 1.Shell 1 is set in a sink 17, and sink 17 is fixed in rack 19, water 17 front and back end of slot is equipped with can the notch that passes through of Rong Gangguan or drawing fixture.It is installed with one on sink 17 and scrapes water cutaneous branch frame 18, scrapes One is installed on water cutaneous branch frame 18 and scrapes water skin 16, is scraped 16 interference of water skin and is socketed on the steel pipe after drawing.Die sleeve 2 is rotatably connected on In shell 1, the exposed junction key connection of die sleeve 2 has sprocket wheel 13, and sprocket wheel 13 is connect with a motor by chain-drive mechanism.On die sleeve 2 Feed liquor slot 14 equipped with perforation to drawing die cavity 5,2 inner wall of die sleeve are equipped with axial sump pit 15.The solenoid valve, pre- reducing die Oil cylinder 9, pre- reducing die slide unit transverse cylinder 24, fixture oil cylinder 25, push turbin generator 27, pushing wheel sliding table oil cylinder 29, guide sleeves Clutch oil cylinder 12 accesses the PLC control system, is further connected with whether detection steel pipe reaches at pre- reducing die in PLC control system Steel pipe throat presence sensor, detect the pre- reducing die oil cylinder position sensor of pre- 9 retracted position of reducing die oil cylinder, detection is slided The sliding table oil cylinder position sensor of platform oil cylinder retracted position detects the guide sleeves clutch oil of 12 retracted position of guide sleeves clutch oil cylinder 12 position sensor of cylinder, whether steel pipe passes through drawing die 3 and scrapes tube head that water skin 16 is exposed at before scraping water skin 16 just after detecting necking Level sensor.
When carrying out refrigerator steel pipe drawing using this refrigerator device for drawing steel pipe, first by the steel pipe 21 of drawing on the rack It walks in tube passage and is well placed, after starting, under the control of PLC control system, two steel pipes in each pair of steel pipe pushing wheel 10 are pushed away It send wheel 10 to draw close, clamp the steel pipe to drawing and axially pushes, reach and detected at pre- reducing die by steel pipe throat presence sensor After arriving, PLC control system controls steel pipe pushing wheel 10 and stalls, and pre- 24 piston rod of reducing die slide unit transverse cylinder stretches out, and pushes pre- Reducing die slide unit 22, pre- reducing die is mobile with pre- reducing die slide unit 22, after the pre- movement in place of reducing die slide unit 22, pre- reducing die 8 21 port of steel pipe before being directed at drawing, steel pipe 21 are then located in the middle of two movable chucks 26 of discrete state, then press from both sides Tool oil cylinder 25 starts the steel pipe 21 for closing up two movable chucks 26 before clamping drawing, and then pre- reducing die oil cylinder 9 starts, and pushes pre- Reducing die 8 is axially extended, 21 front end of steel pipe before drawing is carried out extruding necking, so that steel pipe front end caliber is narrowed down to and can be worn Into the die hole on drawing die, it is tapered that the oil cylinder of guide sleeves clutch at this time 12 also drives clutch guide sleeves 11 to close up, and pre- reducing die 8 is stretched It bounces back after being delayed one second out, bounces back with rear jig oil cylinder 25, two movable chucks 26 separation, pre- reducing die slide unit 22 then takes pre- necking Mould oil cylinder 9, pre- reducing die 8, the translation of steel pipe positioning fixture 23 are reset on one side, concede stand in channel before steel pipe 21.Then steel pipe 21 Continue axial feed under the driving of steel pipe pushing wheel 10, the steel pipe by necking is aligned under the guiding role of clutch guide sleeves 11 Die hole 4 passes through drawing die 3, before water skin 16 is scraped in steel tube head exposing, after being detected by tube head presence sensor, and PLC control system Drawing fixture starting is controlled, clamps tube head, while lubrication pours the solenoid valve conduction in shower pipe road 20, aqueous lubricating cleaning solution imports Drawing die cavity 5 carries out the steel pipe before drawing to pour leaching lubrication.Hereafter continuous drawing processing, after drawing starts, steel pipe can be carried out 21 obtain the lubrication of liquid film in drawing die 3, and the solenoid valve for cleaning spray port 7 is also switched on, and aqueous lubricating cleaning solution is from cleaning Spray port 7 flows out, and sprays to the steel pipe after drawing, and steel tube surface is by timely cleaning, cooling after making drawing.
Embodiment 2:
Steel pipe pushing wheel 10 is three pairs.Remaining is the same as embodiment 1.
Embodiment 3:
Steel pipe pushing wheel 10 is four pairs.Remaining is the same as embodiment 1.

Claims (8)

1. a kind of refrigerator device for drawing steel pipe, including shell (1), die sleeve (2) and drawing die (3), die sleeve (2) adaptation is embedded at outer In shell (1) and front end exposes to except shell (1), and drawing die (3) adaptation is embedded in the drawing die cavity (5) in die sleeve (2) simultaneously Fixed, drawing die (3) is equipped with the die hole (4) with taper, is equipped with drawing corresponding with drawing die cavity (5) port before shell (1) Fixture is connected with aqueous lubricating cleaning it is characterized in that being connected with lubrication cleaning liquid pipe (6) on shell (1) in lubrication cleaning liquid pipe (6) Liquid, lubrication cleaning liquid pipe (6) are connected in drawing die cavity (5), drawing die cavity of lubrication cleaning liquid pipe (6) in die sleeve (2) front end (5) port is externally provided with cleaning spray port (7).
2. refrigerator device for drawing steel pipe according to claim 1, it is characterized in that further including pre- reducing die (8) and pipe being sent to wear mould Mechanism after pre- reducing die (8) is located at shell (1), send pipe to wear after mold mechanism is located at pre- reducing die (8), pre- reducing die (8) is connected to On the piston rod of one pre- reducing die oil cylinder (9), pre- reducing die oil cylinder (9) is fixed on a pre- reducing die slide unit, and pre- reducing die is sliding One is additionally provided on platform to be located at pre- reducing die (8) and pipe is sent to wear the steel pipe positioning fixture between mold mechanism.
3. refrigerator device for drawing steel pipe according to claim 2, it is characterized in that described send pipe to wear mold mechanism including setting in pairs The steel pipe pushing wheel (10) set, each pair of steel pipe pushing wheel (10) point is in the two sides to steel pipe drawing and to rolling, steel pipe pushing wheel (10) wheel face is equipped with the race being adapted to steel pipe drawing circumferential surface.
4. refrigerator device for drawing steel pipe according to claim 1, it is characterized in that further including clutch guide sleeves (11), clutch is drawn Guide sleeve (11) is located at die sleeve (2) rear port, and clutch guide sleeves (11) include a pair of openable and closable half tapered sleeve, fifty-fifty tapered sleeve difference It is correspondingly connected with a guide sleeves clutch oil cylinder (12), guide sleeves clutch oil cylinder (12) is fixed on shell (1).
5. refrigerator device for drawing steel pipe according to claim 1, it is characterized in that the aqueous lubricating in lubrication cleaning liquid pipe (6) Cleaning solution is suds.
6. refrigerator device for drawing steel pipe according to claim 1, it is characterized in that shell (1) is set in a sink, on sink It is installed with one and scrapes water cutaneous branch frame, scrape and be installed with one on water cutaneous branch frame and scrape water skin (16), scrape water skin (16) and be socketed in the steel after drawing Guan Shang.
7. refrigerator device for drawing steel pipe described according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that die sleeve (2) is rotatablely connected In shell (1), the exposed junction key connection of die sleeve (2) has sprocket wheel (13), and sprocket wheel (13) and a motor are connected by chain-drive mechanism It connects.
8. refrigerator device for drawing steel pipe described according to claim 1 or 2 or 3 or 4 or 5 passes through it is characterized in that die sleeve (2) is equipped with The feed liquor slot (14) of drawing die cavity (5) is passed to, die sleeve (2) inner wall is equipped with axial sump pit (15).
CN201811260348.9A 2018-10-26 2018-10-26 Refrigerator steel pipe drawing device Active CN109570249B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811260348.9A CN109570249B (en) 2018-10-26 2018-10-26 Refrigerator steel pipe drawing device

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Application Number Priority Date Filing Date Title
CN201811260348.9A CN109570249B (en) 2018-10-26 2018-10-26 Refrigerator steel pipe drawing device

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CN109570249A true CN109570249A (en) 2019-04-05
CN109570249B CN109570249B (en) 2020-06-16

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CN110899351A (en) * 2019-12-02 2020-03-24 浙江天阳钢管有限公司 Drawing driving mechanism in seamless steel tube drawing machine

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CN110899351A (en) * 2019-12-02 2020-03-24 浙江天阳钢管有限公司 Drawing driving mechanism in seamless steel tube drawing machine
CN110899351B (en) * 2019-12-02 2021-04-27 浙江天阳钢管有限公司 Drawing driving mechanism in seamless steel tube drawing machine

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