CN106269942A - A kind of injection loop for drawing copper tubes - Google Patents

A kind of injection loop for drawing copper tubes Download PDF

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Publication number
CN106269942A
CN106269942A CN201610786269.6A CN201610786269A CN106269942A CN 106269942 A CN106269942 A CN 106269942A CN 201610786269 A CN201610786269 A CN 201610786269A CN 106269942 A CN106269942 A CN 106269942A
Authority
CN
China
Prior art keywords
ring body
ring
nozzle opening
boss
nylon
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
CN201610786269.6A
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Chinese (zh)
Other versions
CN106269942B (en
Inventor
李耿
张德志
户玉全
常俊杰
雷宇
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.)
CHONGQING LONGYU PRECISION COPPER TUBE Co Ltd
Golden Dragon Precise Copper Tube Group Inc
Original Assignee
CHONGQING LONGYU PRECISION COPPER TUBE Co Ltd
Golden Dragon Precise Copper Tube Group Inc
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 CHONGQING LONGYU PRECISION COPPER TUBE Co Ltd, Golden Dragon Precise Copper Tube Group Inc filed Critical CHONGQING LONGYU PRECISION COPPER TUBE Co Ltd
Priority to CN201610786269.6A priority Critical patent/CN106269942B/en
Publication of CN106269942A publication Critical patent/CN106269942A/en
Application granted granted Critical
Publication of CN106269942B publication Critical patent/CN106269942B/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
    • B21C9/00Cooling, heating or lubricating drawing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/06Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Invention describes a kind of injection loop for drawing copper tubes, it includes ring body, is provided with passage at ring body center;Forming boss at the front opening of inner wall of ring body, the medial surface of boss is the vertical vertical with the axis of ring body, and the lateral surface of boss is inclined-plane;Being provided with the oil groove of annular outside ring body, be additionally provided with nozzle opening in ring body, the one end open of nozzle opening is located at the bottom of oil groove, and the other end opening of nozzle opening is located on inclined-plane;It is additionally provided with the first and second seal grooves in the outside of ring body, in the first and second seal grooves, is separately installed with O RunddichtringO;Being provided with nylon ring in passage, the rear end of nylon ring is concordant with at the open rearward end of inner wall of ring body, and the front end of nylon ring pushes against with the vertical of boss, and nylon ring and inner wall of ring body interference fit, the internal diameter of nylon ring is less than the diameter of passage.The present invention enables to copper pipe and obtains omnibearing lubrication, it is also possible to reduces the temperature of drawing mould, and effectively protection copper pipe outer wall, improves Product Precision.

Description

A kind of injection loop for drawing copper tubes
Technical field
The present invention relates to a kind of drawing copper tubes aid, a kind of injection loop for drawing copper tubes, belong to machine Tool equipment technical field.
Background technology
Copper pipe is applied the most frequent in fields such as air-conditioning condenser, radio frequency transmission cables, and is making the said equipment During copper pipe, drawing molding is a ring important in manufacturing procedure.Now at present when drawing copper pipe, it is in being drawn copper with External Force Acting The front end of pipe, pulls out copper pipe blank from the nib of mould, to obtain a kind of plasticity of the goods of corresponding shape and size Processing method.Carry out in the cold state owing to drawing is many, the most also cry cold-drawn or cold drawn.During drawing copper tubes, it will usually make By the emulsion being made up of soap base, Borax, polyethylene glycol (PEG) oleate and water or by mineral oil, fatty acid, dodecanol, oleic acid polyoxy The emulsion of vinyl acetate and water composition, as lubricant, so can alleviate hot candied mechanical strength, improves hot candied speed and product quality, Can effectively reduce the friction of workpiece and mould, reduce abrasion, and make copper pipe outer surface have tough oil film, can effectively subtract It is mould, cut less, scratches, sinter seam, the generation of phenomenon such as rupture.Now at present during drawing copper tubes during oil spout, be The surface of copper pipe is provided with a fueling injection equipment, uses mode oil spout from top to bottom, although the top of copper pipe can be lubricated, But owing to can not be covered by fluid bottom copper pipe, therefore, it is difficult to lubricated, during thus easily causing drawing copper tubes Lubricate uneven, form concavo-convex inequality after causing copper pipe molding on surface or produce the situations such as cut, so can affect copper pipe End product quality.
Summary of the invention
For above-mentioned deficiency of the prior art, present invention is primarily targeted at solution and now carrying out drawing copper tubes at present During, there is the problem of trace owing to copper pipe surface to be lubricated the uneven product caused, and provide the one can be comprehensive The injection loop for drawing copper tubes of lubrication copper pipe.
Technical scheme: a kind of injection loop for drawing copper tubes, it is characterised in that include ring body, described ring Body is toroidal, is provided with the passage for placing copper pipe at ring body center;Formed at the front opening of described inner wall of ring body Boss, the medial surface of described boss is the vertical vertical with the axis of ring body, and the lateral surface of described boss is inclined-plane, described Inclined-plane is inner small and outside big taper surface;Being provided with the oil groove of annular outside described ring body, the middle part of ring body is located at by described oil groove, Being additionally provided with nozzle opening in described ring body, the one end open of described nozzle opening is located at the bottom of oil groove, the other end opening of nozzle opening It is located on described inclined-plane;Be additionally provided with the first seal groove and the second seal groove in the outside of described ring body, described first seal groove sets In the left side of oil groove, the second seal groove is located at the right side of oil groove, is provided with an O RunddichtringO in the first seal groove, 2nd O RunddichtringO is installed in two seal grooves;Nylon ring, the rear end of described nylon ring and ring body are installed in described passage At the open rearward end of inwall concordant, the front end of nylon ring pushes against with the vertical of boss, described nylon ring and inner wall of ring body interference Coordinating, the internal diameter of described nylon ring is less than the diameter of passage.
Optimally, described nozzle opening is six, and six nozzle openings are evenly distributed on described inclined-plane.By arranging six Nozzle opening can carry out oil jet lubrication process to copper pipe from different angles, reaches the exhaustive purpose without dead angle, thus ensures Smooth degree during drawing copper tubes.
Optimally, the axis institute of the centrage of described nozzle opening and ring body is 60 ° in angle.By nozzle opening in the present invention Using angularly disposed mode, fluid is oblique and outside when ejection, therefore can be lubricated copper pipe, it is also possible to It is ejected on drawing mould, drawing mould is carried out cooling process, has reached double effects.
Optimally, the rear end at described nylon ring is provided with taper anchor ring.Here the effect arranging taper anchor ring is more Facilitate the feeding of copper pipe, play guide effect.
Optimally, the cross section of described oil groove is rectangular groove structure.Oil groove in the present invention have employed the structure of rectangular channel Partly in order to be easy to the flowing of fluid so that each nozzle opening, uniformly by oil, on the other hand can also increase in oil groove Trapped fuel amount, is conducive to improving the pressure of fluid ejection.
Optimally, the aperture of described nozzle opening is 3.5mm.Here the nozzle opening design using 3.5mm is optimal design Scheme, so can either ensure have enough pressure when fluid sprays, and the pressure of fluid again will not be excessive simultaneously, it is to avoid at copper Tube-surface forms indenture.
Relative to prior art, the method have the advantages that
1, enable to copper pipe and obtain omnibearing lubrication: present invention is specifically directed to copper pipe lubrication and design, have employed ring-type Fueling injection equipment, carries out oil jet lubrication to copper pipe the most simultaneously, so enables to without dead angle on copper pipe, reaches uniformly to moisten Sliding effect;
2, the temperature of drawing mould can be reduced: the injection loop of the present invention changes tradition atomizer oil spout mould vertically downward Formula, uses oblique injection mode, can not only lubricate copper pipe, can also cover the drawing mould on side so that drawing simultaneously The heat of mould can be absorbed by fluid, reaches the effect of cooling;
3, automaticity is high, owing to have employed hollow-core construction in injection loop, therefore fluid can automatic spray, be not required to artificial Operation, and moderate pressure, reliability is preferable;
4, copper pipe outer wall can effectively be protected: owing to being provided with nylon ring inside injection loop, copper pipe therefore can be avoided to draw Pull out in moving process and touch between injection loop, it is to avoid copper pipe outer wall is scratched, and is conducive to improving Product Precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of injection loop for drawing copper tubes of the present invention.
In figure, 1 ring body, 2 passages, 3 boss, 4 verticals, 5 inclined-planes, 6 oil grooves, 7 nozzle openings, 8 First seal groove, 9 second seal grooves, 10 the oneth O RunddichtringOs, 11 the 2nd O RunddichtringOs, 12 nylon rings, 13 Taper anchor ring.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of injection loop for drawing copper tubes of the present invention, it includes that ring body 1, described ring body 1 are circle Ring-shaped, is provided with the passage 2 for placing copper pipe at ring body 1 center, and during drawing, copper pipe passes rear and front end from described passage 2 Drawing mould connect.Forming boss 3 at the front opening of described ring body 1 inwall, the medial surface of described boss 3 is and ring body The vertical 4 that the axis of 1 is vertical, the lateral surface of described boss 3 is inclined-plane 5, and described inclined-plane 5 is inner small and outside big taper surface; The outer openings diameter of described taper surface and described passage 2 equal diameters.The oil groove 6 of annular, institute it is provided with outside described ring body 1 The cross section of the oil groove 6 stated is rectangular groove structure, and the middle part of ring body 1 is located at by described oil groove 6, operationally, described oil groove 6 connects There is inlet valve, belong to existing structure owing to the installation of inlet valve connects, be not described in detail the most in this application.At described ring Being additionally provided with nozzle opening 7 in body 1, the one end open of described nozzle opening 7 is located at the bottom of oil groove 6, and the other end opening of nozzle opening 7 sets On described inclined-plane 5.In order to be covered by the outer surface of whole copper pipe, described nozzle opening 7 is six, and six nozzle openings 7 are uniform It is distributed on described inclined-plane 5.The most as required, it is also possible to arranging 5 or 7 atomizers, its quantity can be according to copper pipe Depending on diameter.The axis institute of the centrage of described nozzle opening 7 and ring body 1 is 60 ° in angle, and such fluid just can be oblique To ejection, not only copper pipe was played lubrication but also the drawing mould of front end was played cooling-down effect.It should be noted that here 60 ° of angles are the schemes after optimizing, if the angle too small set, are then likely to result in fluid injection the most remote, it is impossible to copper pipe is complete Portion covers, if the angle set is excessive, is then likely to result in and can only cover copper pipe, and the cooling that cannot take into account drawing mould needs Ask.In the present invention, the aperture of described nozzle opening 7 is set as 3.5mm, the most both so that have enough pressures when fluid sprays Power, reaches required distance, will not cause producing indenture in copper pipe surface because pressure is too big the most again.
See Fig. 1, in order to improve the sealing of fluid, be additionally provided with the first seal groove 8 and second in the outside of described ring body 1 Seal groove 9, described first seal groove 8 is located at the left side of oil groove 6, and the second seal groove 9 is located at the right side of oil groove 6, seals first Oneth O RunddichtringO 10 is installed in groove 8, in the second seal groove 9, the 2nd O RunddichtringO 11 is installed.In described passage 2 Being provided with nylon ring 12, nylon ring 12 is the soft protection ring structure of nylon material, in the rear end of described nylon ring 12 and ring body 1 At the open rearward end of wall concordant, be provided with taper anchor ring 13 in the rear end of described nylon ring 12, so can play preferably guiding Effect;The front end of nylon ring 12 pushes against with the vertical 4 of boss 3, and during installation, described nylon ring 12 is joined with ring body 1 inwall interference Close, the internal diameter of described nylon ring 12 less than the diameter of passage 2, so so that copper pipe when through passage 2 not with ring body 1 Inwall is touched, and reaches to protect the effect of copper pipe.
During work, lubricating oil is transported in oil groove 6, owing to oil groove 6 is equal with six nozzle openings 7 from outside inlet valve Being connection, therefore fluid will flow to each nozzle opening voluntarily, and when copper pipe moves forward in passage 2, fluid is from 6 sprays Oilhole sprays so that the whole outer surface of copper pipe is all lubricated, thus avoids causing the situations such as wire drawing in drawing process, with Time oblique spray regime enable to fluid and be ejected on drawing mould, time such fluid can absorb drawing mould work Heat, reaches cooling-down effect.Generally copper pipe is that continuous drawing moves, and the fluid of injection loop is also injection continuously, thus reaches Arrive the effect of automatic splash lubrication, circulated with this.
It should be noted that above example is only in order to illustrate technical solution of the present invention rather than restriction technologies scheme, although The present invention is explained in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, those are right Amendment that technical solution of the present invention is carried out or equivalent, it is impossible to depart from objective and the scope of the technical program, all should contain In the middle of scope of the invention as claimed.

Claims (6)

1. the injection loop for drawing copper tubes, it is characterised in that include that ring body (1), described ring body (1) are toroidal, The passage (2) for placing copper pipe it is provided with at ring body (1) center;Boss is formed at the front opening of described ring body (1) inwall (3), the medial surface of described boss (3) is the vertical (4) vertical with the axis of ring body (1), the lateral surface of described boss (3) For inclined-plane (5), described inclined-plane (5) are inner small and outside big taper surface;The oil groove (6) of annular, institute it is provided with in described ring body (1) outside State oil groove (6) and be located at the middle part of ring body (1), in described ring body (1), be additionally provided with nozzle opening (7), one end of described nozzle opening (7) Opening is located at the bottom of oil groove (6), and the other end opening of nozzle opening (7) is located on described inclined-plane (5);At described ring body (1) Outside is additionally provided with the first seal groove (8) and the second seal groove (9), and described first seal groove (8) is located at the left side of oil groove (6), the Two seal grooves (9) are located at the right side of oil groove (6), are provided with an O RunddichtringO (10), second in the first seal groove (8) 2nd O RunddichtringO (11) is installed in seal groove (9);Nylon ring (12), described nylon ring are installed in described passage (2) (12) rear end is concordant with at the open rearward end of ring body (1) inwall, the front end of nylon ring (12) and the vertical (4) of boss (3) Pushing against, described nylon ring (12) and ring body (1) inwall interference fit, the internal diameter of described nylon ring (12) is straight less than passage (2) Footpath.
A kind of injection loop for drawing copper tubes the most according to claim 1, it is characterised in that described nozzle opening (7) Being six, six nozzle openings (7) are evenly distributed on described inclined-plane (5).
A kind of injection loop for drawing copper tubes the most according to claim 2, it is characterised in that described nozzle opening (7) The axis institute of centrage and ring body (1) is 60 ° in angle.
A kind of injection loop for drawing copper tubes the most according to claim 3, it is characterised in that in described nylon ring (12) Rear end be provided with taper anchor ring (13).
A kind of injection loop for drawing copper tubes the most according to claim 4, it is characterised in that described oil groove (6) Cross section is rectangular groove structure.
A kind of injection loop for drawing copper tubes the most according to claim 5, it is characterised in that described nozzle opening (7) Aperture is 3.5mm.
CN201610786269.6A 2016-08-31 2016-08-31 A kind of injection loop for drawing copper tubes Active CN106269942B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610786269.6A CN106269942B (en) 2016-08-31 2016-08-31 A kind of injection loop for drawing copper tubes

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Application Number Priority Date Filing Date Title
CN201610786269.6A CN106269942B (en) 2016-08-31 2016-08-31 A kind of injection loop for drawing copper tubes

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CN106269942A true CN106269942A (en) 2017-01-04
CN106269942B CN106269942B (en) 2018-03-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107414044A (en) * 2017-08-01 2017-12-01 尚成荣 A kind of casting in bronze is made with crystallizer grease atomizer spray device
CN111451011A (en) * 2020-04-30 2020-07-28 上海建桥学院 Oil nozzle and machining method thereof
EP3473879B1 (en) * 2017-10-17 2020-09-30 Ningbo Geely Automobile Research & Development Co. Ltd. A synchronizing ring
CN114210751A (en) * 2021-12-22 2022-03-22 衡阳金化高压容器股份有限公司 Cold-drawing device for steel pipe machining process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006181611A (en) * 2004-12-28 2006-07-13 Jfe Steel Kk Highly efficient method for manufacturing pipe with high dimensional accuracy and excellent surface quality
CN203155733U (en) * 2013-03-29 2013-08-28 苏州奥智机电设备有限公司 Drawing die
CN204338597U (en) * 2014-12-04 2015-05-20 隆昌山川精密焊管有限责任公司 Carbide alloy combination drawing die
CN204974775U (en) * 2015-08-06 2016-01-20 成都贝丝特新材料有限公司 Carbide makes up drawing die
CN105290131A (en) * 2015-09-30 2016-02-03 广东龙丰精密铜管有限公司 Lubricating structure and lubricating method for copper tube drawing mold
CN205995945U (en) * 2016-08-31 2017-03-08 重庆龙煜精密铜管有限公司 Disk draw ring shape injection loop

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006181611A (en) * 2004-12-28 2006-07-13 Jfe Steel Kk Highly efficient method for manufacturing pipe with high dimensional accuracy and excellent surface quality
CN203155733U (en) * 2013-03-29 2013-08-28 苏州奥智机电设备有限公司 Drawing die
CN204338597U (en) * 2014-12-04 2015-05-20 隆昌山川精密焊管有限责任公司 Carbide alloy combination drawing die
CN204974775U (en) * 2015-08-06 2016-01-20 成都贝丝特新材料有限公司 Carbide makes up drawing die
CN105290131A (en) * 2015-09-30 2016-02-03 广东龙丰精密铜管有限公司 Lubricating structure and lubricating method for copper tube drawing mold
CN205995945U (en) * 2016-08-31 2017-03-08 重庆龙煜精密铜管有限公司 Disk draw ring shape injection loop

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107414044A (en) * 2017-08-01 2017-12-01 尚成荣 A kind of casting in bronze is made with crystallizer grease atomizer spray device
EP3473879B1 (en) * 2017-10-17 2020-09-30 Ningbo Geely Automobile Research & Development Co. Ltd. A synchronizing ring
US11248664B2 (en) 2017-10-17 2022-02-15 Ningbo Geely Automobile Research & Development Co. Synchronizing ring
CN111451011A (en) * 2020-04-30 2020-07-28 上海建桥学院 Oil nozzle and machining method thereof
CN114210751A (en) * 2021-12-22 2022-03-22 衡阳金化高压容器股份有限公司 Cold-drawing device for steel pipe machining process

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Denomination of invention: Oil injection ring for drawing copper pipe

Effective date of registration: 20190830

Granted publication date: 20180327

Pledgee: China Minsheng Banking Corp Zhengzhou branch

Pledgor: Chongqing Longyu Precision Copper Pipe Co., Ltd.|Jinlong Precision Copper Pipe Group Co., Ltd.

Registration number: Y2019990000127