CN109013935A - Flared method and device - Google Patents

Flared method and device Download PDF

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Publication number
CN109013935A
CN109013935A CN201811062395.2A CN201811062395A CN109013935A CN 109013935 A CN109013935 A CN 109013935A CN 201811062395 A CN201811062395 A CN 201811062395A CN 109013935 A CN109013935 A CN 109013935A
Authority
CN
China
Prior art keywords
flared
flaring
repeatedly
mouth expander
mouth
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.)
Pending
Application number
CN201811062395.2A
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Chinese (zh)
Inventor
殷桥波
孙嘉辉
鲁鹏
张秀峰
高诗琪
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.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Gree Intelligent Equipment 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 Gree Electric Appliances Inc of Zhuhai, Zhuhai Gree Intelligent Equipment Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201811062395.2A priority Critical patent/CN109013935A/en
Publication of CN109013935A publication Critical patent/CN109013935A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00Application of procedures in order to alter the diameter of tube ends
    • B21D41/02Enlarging

Abstract

The invention discloses a kind of flared method and devices.Wherein, this method comprises: determining the movement travel that mouth expander is flared flaring object;Control mouth expander is several times flared flaring object according to movement travel.The flared method that the present invention solves the relevant technologies is likely to cause pipe deformations, leads to the higher technical problem of rejection rate.

Description

Flared method and device
Technical field
The present invention relates to mechanical manufacturing fields, in particular to a kind of flared method and device.
Background technique
The equipment that electric tube expander is a kind of tube expansion for completing air conditioner heat-exchanger brass pipe and flaring process, ordinary circumstance, Flaring process is that the movement of secondary operation is carried out to the nozzle of heat-exchanger brass pipe after the completion of tube expansion process, and the purpose is to will The nozzle of copper pipe expands into bell-mouthed shape, is convenient for subsequent assembly, determines by being flared the bell-mouthed profile that process obtains The overall effect of copper pipe.
Rolling-type flaring is that mouth expander is mounted in the template of guiding role, and control mouth expander, which drops to, touches copper pipe Nozzle position, idler wheel roll the position correcting of mouth expander once, so that the end of mouth expander is entered copper pipe nozzle, idler wheel rolling is returned It returns and is completely forced into mouth expander end, mouth expander applies extruding force to copper pipe, generates horn mouth.Traditional rolling-type flared method The mode for generalling use single flaring is flared, and that is to say, is carried out after being flared in advance, mouth expander is pressed into copper by one-time-reach-place The method of the designated depth of pipe, this flaring can complete flaring movement, but with small diameter tube copper pipe within the shortest time The increase of heat exchanger type, the reduction of copper pipe wall thickness and the appearance of deepened type mouth expander, the flared method of one-time-reach-place There are problems that scrappage raising to the workpiece in the case of these, expanded, since the active force of one-time-reach-place is larger, and copper pipe phase To more fragile, there are splitting nozzle expansion when flaring, and the importing of deepened type mouth expander is apart from longer, one-time-reach-place Crushing failure at high speed will lead to copper pipe and collapse.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
It, can at least to solve that the flared method of the relevant technologies has the embodiment of the invention provides a kind of flared method and device Pipe deformations can be caused, the higher technical problem of rejection rate is caused.
According to an aspect of an embodiment of the present invention, a kind of flared method is provided, comprising: determine mouth expander to flaring pair As the movement travel being flared;It controls the mouth expander and the flaring object is expanded several times according to the movement travel Mouthful.
Optionally, controlling before the mouth expander reaches the movement travel several times includes: to judge whether to need to control The mouth expander is repeatedly flared, and if the determination result is NO, control mouth expander carries out single flaring;It is tied in judgement Fruit is to control most mouth expanders in the case where being and be repeatedly flared.
Optionally, judge whether that needing to control the mouth expander to carry out repeatedly flaring includes: to determine to expand according to tubing parameter Mouth number, judges whether that needing to control the mouth expander is repeatedly flared;Wherein, the situation no more than once in flaring number Under, determination does not need repeatedly to be flared;In the case where it is more than primary for being flared number, determines and need repeatedly to be flared.
Optionally, controlling most mouth expanders progress, repeatedly flaring comprises determining that the componental movement stroke being flared every time;According to true The fixed multiple componental movement stroke is repeatedly flared.
Optionally it is determined that the componental movement stroke being flared every time includes: true according to the flaring number and the movement travel The fixed componental movement stroke.
Optionally, determine that the componental movement stroke includes: according to according to the flaring number and the movement travel Flaring number divides equally the movement travel, obtains the componental movement stroke.
Optionally it is determined that it includes at least one following that the componental movement stroke being flared every time, which includes: the tubing parameter: tube wall Thickness, tubing hardness, caliber.
Optionally, the mouth expander includes: electric tube expander, and the flaring object is copper pipe.
According to another aspect of an embodiment of the present invention, a kind of expanding device is additionally provided, comprising: determining module, for true Determine the movement travel that mouth expander is flared flaring object;Control module, for controlling the mouth expander according to the movement Stroke is several times flared the flaring object.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, the storage medium includes storage Program, wherein described program operation when control the storage medium where equipment execute side described in above-mentioned any one Method.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, the processor is used to run program, Wherein, method described in above-mentioned any one is executed when described program is run.
In embodiments of the present invention, using the movement travel for determining that mouth expander is flared flaring object;Described in control The mode that mouth expander is several times flared the flaring object according to the movement travel, by expanding several times tubing Mouthful, achieve the purpose that stablizing lasting relatively short stroke is flared tubing, effectively prevent flaring stroke too long to realize Cause pipe deformations even to tear, the technical effect of rejection rate is effectively reduced, and then the flared method for solving the relevant technologies has It may cause pipe deformations, lead to the higher technical problem of rejection rate.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of flared method according to an embodiment of the present invention;
Fig. 2 is the flow chart of the multiple rolling control method of electric tube expander flaring according to an embodiment of the present invention;
Fig. 3 is the timing diagram of the multiple rolling control method of electric tube expander flaring according to an embodiment of the present invention;
Fig. 4 is the schematic diagram of electric tube expander flaring movement according to an embodiment of the present invention;
Fig. 5 is the structural block diagram of expanding device according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.
According to embodiments of the present invention, a kind of embodiment of flared method is provided, it should be noted that in the process of attached drawing The step of illustrating can execute in a computer system such as a set of computer executable instructions, although also, in process Logical order is shown in figure, but in some cases, it can be to be different from shown or described by sequence execution herein Step.
Fig. 1 is a kind of flow chart of flared method according to an embodiment of the present invention, as shown in Figure 1, this method includes as follows Step:
Step S102 determines the movement travel that mouth expander is flared flaring object;
Step S104, control mouth expander are several times flared flaring object according to movement travel.
Through the above steps, using the movement travel for determining that mouth expander is flared flaring object;Control mouth expander according to Reach stable by being flared several times to tubing according to the mode that movement travel is several times flared flaring object and continued The purpose that relatively short stroke is flared tubing effectively prevent flaring stroke is too long to lead to pipe deformations or even tear to realize It splits, the technical effect of rejection rate is effectively reduced, and then the flared method for solving the relevant technologies is likely to cause pipe deformations, leads Cause the higher technical problem of rejection rate.
Above-mentioned flaring object is generally tubing, and aforementioned tubes can be metal pipe material, for example, copper pipe, aluminum pipe, steel pipe etc., Metal generally has certain ductility, can generate when mouth expander is flared into tubing, between mouth expander and tube wall huge Big power, in the power limit of tubing, tubing can keep original state, so that tubing be made successfully to be flared, but exceed tubing When the limit that can bear, tubing can be deformed, and tube wall bends, in mouth expander fast speed, the longer feelings of stroke Under condition, tubing tearing is resulted even in.Aforementioned tubes deformation and tubing tearing can all cause tubing to scrap, and cause to be flared process Scrappage is higher.
The movement travel of above-mentioned mouth expander refers to mouth expander when being flared to tubing, from the initial position of mouth expander, The distance between the maximum travel position of flaring to tubing is completed to mouth expander, in single flaring process, as flaring is transported The increase of dynamic stroke, the movement velocity of mouth expander also will increase, because flaring movement travel is remoter, the mechanical power loss of mouth expander More, the resistance that tubing generates is bigger, and therefore, above-mentioned movement travel is unsuitable too long, can be according to the pipe thickness of tubing, tubing The hardness strength of material, shear strength etc. are determined.
Aforementioned tubes are easy the stroke mistake because of single flaring in the case where pipe thickness is thin or the lesser situation of tubing hardness Long or fast speed, dynamics is larger to be deformed, tubing is caused to be scrapped, therefore using being flared to single in the present embodiment Movement travel is divided, and the flaring of multiple relatively short stroke is divided, it is possible to prevente effectively from single is flared the feelings that caused pipe is scrapped Condition.
Optionally, control mouth expander reach before movement travel several times include: judge whether to need to control mouth expander into Row repeatedly flaring, if the determination result is NO, control mouth expander carries out single flaring;The case where judging result, which is, is Under, it controls most mouth expanders and is repeatedly flared.
When being repeatedly flared tubing, need first whether the tubing to be needed to determine using repeatedly flaring, because It does not need for some situations using being repeatedly flared, for example, the flaring stroke of tubing, single flaring not will lead to more pipe Situation is scrapped in material deformation;Or situations such as process calculates, and the deformation that the stroke of single flaring not will lead to the tubing is scrapped, it is not required to Repeatedly it is flared.Therefore, in the present embodiment, before being flared, to tubing whether need repeatedly to be flared into Row judgement, in the case where needing repeatedly be flared, in the feelings for not needing repeatedly to be flared by the way of being repeatedly flared Under condition, it is flared using single.
Optionally, judge whether that needing to control mouth expander to carry out repeatedly flaring includes: to determine flaring time according to tubing parameter Number, judges whether that needing to control mouth expander is repeatedly flared;Wherein, it in the case where flaring number is no more than once, determines It does not need repeatedly to be flared;In the case where it is more than primary for being flared number, determines and need repeatedly to be flared.
In the above-described embodiments, when judging whether that mouth expander is needed repeatedly to be flared, can specifically be joined according to tubing Number is determined, and judges whether that controller is needed repeatedly to be flared.Aforementioned tubes parameter includes at least one following, thickness of pipe wall Degree, tubing hardness, movement travel etc..Flaring number is calculated according to aforementioned tubes parameter, no more than once in flaring number In the case where, determination does not need repeatedly to be flared;In the case where it is more than primary for being flared number, determines and need repeatedly to be expanded Mouthful.If the flaring number calculated has decimal, into primary, to guarantee the yield rate of tubing.For example, calculated result is 1.3, Then it is considered 2 times.
Optionally, controlling most mouth expanders progress, repeatedly flaring comprises determining that the componental movement stroke being flared every time;According to true Fixed multiple componental movement stroke is repeatedly flared.
After determining using repeatedly the modes such as flaring are flared tubing, it is determined that the number of flaring, it is thus necessary to determine that every Secondary to be flared corresponding componental movement stroke, the componental movement stroke of multiple flaring process can be identical, for example, using the side being averaged Formula determines each componental movement stroke.The componental movement stroke of multiple flaring process can also be different, for example, due to aforementioned tubes stroke More to the rear, resistance is bigger, therefore can be in such a way that the componental movement stroke of number in the backward is smaller.
Optionally it is determined that the componental movement stroke being flared every time includes: to determine componental movement according to flaring number and movement travel Stroke.
In the present embodiment, componental movement stroke is determined using according to flaring number and movement travel, can be and go to movement Journey is averaged, and the componental movement stroke being flared every time is determined, to be repeatedly flared according to above-mentioned componental movement stroke to tubing. It can also be other calculation, other parameters etc. can also be utilized.It is used in the present embodiment, according to flaring number and movement Stroke determines that componental movement stroke includes: to divide equally according to flaring number to movement travel, obtains componental movement stroke, operation letter Just.
In the above-described embodiments, optionally it is determined that the componental movement stroke being flared every time include: tubing parameter include it is following extremely It is one of few: pipe thickness, tubing hardness, caliber.
Optionally, mouth expander includes: electric tube expander, and flaring object is copper pipe.The present embodiment can be used for electric tube expander to copper pipe The process being flared.
The preferred embodiment of the present embodiment is described in detail below.
During electric tube expander is flared copper pipe, Fig. 2 is the more of electric tube expander flaring according to an embodiment of the present invention The flow chart of secondary rolling control method, as shown in Fig. 2, operator's starting device;According to the heat exchanger type processed, Operate the corresponding operating parameter of touch-screen input;Heat exchanger to swollen expansion is loaded onto station and brought into operation by operator;Flaring Side crossbeam drops into the minibreak of nozzle position, into pre- flaring position;Program reads parameter and judges whether repeatedly to be flared, and is not required to Normal single flaring is carried out when being repeatedly flared, program carries out respectively distance when needing repeatedly to be flared, and then executes and repeatedly expands Mouthful;After completing flaring movement, flaring side resets, and operator carries out loading and unloading;Tube expansion side moves simultaneously with flaring, into tube expansion Pre-expanding position;Tube expansion clamping jaw clamps;The decline of expanding rod crossbeam carries out tube expansion;After completing tube expansion movement, tube expansion side resets;Be flared side and When tube expansion side is all completed, one time operational process terminates, and is prepared to enter into and recycles next time, if you need to switch type, then resets ginseng Number.
Fig. 3 is the timing diagram of the multiple rolling control method of electric tube expander flaring according to an embodiment of the present invention, such as Fig. 3 institute Show, is run single in the swollen expansion of conventional heat exchanger according to the work operation characteristic of electric tube expander and industry entirety standard Circulation time be determined as 28S, after starting, double-station turntable used time 2S in place is flared to enter nozzle position into nozzle position, tube expansion and reach When in 7S, the importing that is flared in advance in 9S rolling is completed, and in 10S, clamping jaw, which is clamped, completes, and the single rolling spent time is 2S, rolling times section are 1 to 4 time, so rolling the reserved 8S time to flaring, the deadline, in 17S, it is remaining to be flared side 11S completes tube expansion movement in 20S for changing workpiece, and the reset of tube expansion crossbeam is completed in 28S, and one cycle is completed.
Fig. 4 is the schematic diagram of electric tube expander flaring movement according to an embodiment of the present invention, and as shown in Figure 4: mouth expander first reaches Enter nozzle position above copper pipe nozzle, after minibreak, carries out primary import and roll, reach pre- flaring position, be normally flared Under state, one-time-reach-place rolling is carried out;When needing repeatedly to be flared, program will be flared position the distance between to complete flaring position in advance Divided equally, implement the rolling being repeatedly flared movement, mouth expander Intermittent pneumatic compression moves downward, and reaches complete flaring position.
The time as spent by tube expansion in electric tube expander operation is long, and it is short to be flared the spent time, so reserving for flaring Time interval is reduced mouth expander and is acted on copper pipe single as the permissible tolerance being repeatedly flared by the movement being repeatedly flared out Energy, prevention copper pipe is damaged in flaring to make to carry out small diameter tube flaring and using in the case where deepened type mouth expander, obtains To better flaring effect.
Fig. 5 is the structural block diagram of expanding device according to an embodiment of the present invention, as shown in figure 5, the device comprises determining that mould Block 52 and control module 54, are below illustrated the device.
Determining module 52, the movement travel that flaring object is flared for determining mouth expander;Control module 54, and it is upper It states determining module 52 to be connected, flaring object is flared several times according to movement travel for controlling mouth expander.
By above-mentioned apparatus, the movement travel that mouth expander is flared flaring object is determined using determining module 52;It is logical It crosses control module 54 and controls the mode that mouth expander is several times flared flaring object according to movement travel, by tubing point Repeatedly flaring has achieved the purpose that stablizing lasting relatively short stroke is flared tubing, effectively prevent flaring to go to realize Journey is too long to cause pipe deformations even to tear, and the technical effect of rejection rate is effectively reduced, and then solve the flaring of the relevant technologies Method is likely to cause pipe deformations, leads to the higher technical problem of rejection rate.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, storage medium includes the journey of storage Sequence, wherein the method that equipment where control storage medium executes above-mentioned any one in program operation.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, processor is used to run program, In, program run when execute above-mentioned any one method.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (11)

1. a kind of flared method characterized by comprising
Determine the movement travel that mouth expander is flared flaring object;
It controls the mouth expander and the flaring object is flared several times according to the movement travel.
2. the method according to claim 1, wherein control the mouth expander reaches the movement travel several times Include: before
Judge whether that needing to control the mouth expander is repeatedly flared, if the determination result is NO, controls mouth expander Carry out single flaring;
In the case where the judgment result is yes, most mouth expanders are controlled repeatedly to be flared.
3. according to the method described in claim 2, it is characterized in that, judging whether that needing to control the mouth expander is repeatedly expanded Mouthful include:
Flaring number is determined according to tubing parameter, judges whether that needing to control the mouth expander is repeatedly flared;
Wherein, in the case where flaring number is no more than once, determination does not need repeatedly to be flared;It is more than one in flaring number In the case where secondary, determine and need repeatedly to be flared.
4. according to the method described in claim 3, it is characterized in that, controlling most mouth expanders progress, repeatedly flaring includes:
Determine the componental movement stroke being flared every time;
It is repeatedly flared according to the determining multiple componental movement stroke.
5. according to the method described in claim 4, it is characterized in that, determining that the componental movement stroke being flared every time includes:
The componental movement stroke is determined according to the flaring number and the movement travel.
6. according to the method described in claim 5, it is characterized in that, determining institute according to the flaring number and the movement travel Stating componental movement stroke includes:
The movement travel is divided equally according to the flaring number, obtains the componental movement stroke.
7. according to the method described in claim 3, it is characterized in that, determining that the componental movement stroke being flared every time includes:
The tubing parameter includes at least one following: pipe thickness, tubing hardness, caliber.
8. method as claimed in any of claims 1 to 7, which is characterized in that the mouth expander includes: swollen
Pipe machine, the flaring object are copper pipe.
9. a kind of expanding device characterized by comprising
Determining module, the movement travel that flaring object is flared for determining mouth expander;
Control module is several times flared the flaring object according to the movement travel for controlling the mouth expander.
10. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program When control the storage medium where equipment perform claim require any one of 1 to 8 described in method.
11. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run Benefit require any one of 1 to 8 described in method.
CN201811062395.2A 2018-09-12 2018-09-12 Flared method and device Pending CN109013935A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109954804A (en) * 2019-04-23 2019-07-02 珠海格力智能装备有限公司 A kind of control method and device of electric tube expander, storage medium and processor
CN110802178A (en) * 2019-10-12 2020-02-18 珠海格力智能装备有限公司 Flaring control method, flaring control device, storage medium and electronic equipment
CN111644517A (en) * 2020-06-02 2020-09-11 珠海格力智能装备有限公司 Flaring method and device for metal pipe, storage medium and processor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1030036A (en) * 1987-06-25 1989-01-04 卢成尧 Change the hot-working method of inner and outer diameters of seamless seamless steel pipe
CN101722243A (en) * 2008-10-17 2010-06-09 铜联商务咨询(上海)有限公司 Method for expansion copper pipe
CN201644657U (en) * 2009-12-22 2010-11-24 浙江康盛股份有限公司 Compound flaring device
CN107952896A (en) * 2017-11-14 2018-04-24 西安交通大学 A kind of method of multi-pass flaring shaping plate heat exchanger grommet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1030036A (en) * 1987-06-25 1989-01-04 卢成尧 Change the hot-working method of inner and outer diameters of seamless seamless steel pipe
CN101722243A (en) * 2008-10-17 2010-06-09 铜联商务咨询(上海)有限公司 Method for expansion copper pipe
CN201644657U (en) * 2009-12-22 2010-11-24 浙江康盛股份有限公司 Compound flaring device
CN107952896A (en) * 2017-11-14 2018-04-24 西安交通大学 A kind of method of multi-pass flaring shaping plate heat exchanger grommet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109954804A (en) * 2019-04-23 2019-07-02 珠海格力智能装备有限公司 A kind of control method and device of electric tube expander, storage medium and processor
CN110802178A (en) * 2019-10-12 2020-02-18 珠海格力智能装备有限公司 Flaring control method, flaring control device, storage medium and electronic equipment
CN111644517A (en) * 2020-06-02 2020-09-11 珠海格力智能装备有限公司 Flaring method and device for metal pipe, storage medium and processor

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Application publication date: 20181218