CN101745585B - Pre-flaring equipment and flaring device of tubular workpiece - Google Patents
Pre-flaring equipment and flaring device of tubular workpiece Download PDFInfo
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- CN101745585B CN101745585B CN200810220358XA CN200810220358A CN101745585B CN 101745585 B CN101745585 B CN 101745585B CN 200810220358X A CN200810220358X A CN 200810220358XA CN 200810220358 A CN200810220358 A CN 200810220358A CN 101745585 B CN101745585 B CN 101745585B
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- expansion mouth
- oil spout
- bar
- extension bar
- enlarging
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- 239000003351 stiffener Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 17
- 238000003754 machining Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 238000003466 welding Methods 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 139
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 6
- 238000011112 process operation Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The pre-flaring equipment comprises an operation control console, a machining device, an electrical system and a hydraulic system which are respectively connected with the machining device, wherein the machining device comprises a flaring portion and a receiving portion with an upper end opening, the lower end position of the flaring portion corresponds to the position of the receiving portion, and the diameter of the end, close to the flaring portion and the receiving portion, of the flaring portion is smaller than the diameter of the end, far away from the receiving portion, of the flaring portion. According to the equipment, when carrying out flaring operation in advance, at first place the processing work piece in receiving portion, processingequipment's flaring portion stretches into in the pipe, through the application of force of flaring portion to the pipe, the expand tube effect can take place, make to carry out flaring operation in advance to the pipe, thereby can reduce the stress of pipe when follow-up expand tube operation again, slow down the resilience after the tubular product expand tube, realize the expand tube operation more easily, improve the machining efficiency of expand tube processing technology operation, yield when improving the expand tube processing technology operation, and can facilitate for the welding operation in the follow-up processing technology, make subsequent welding technology operation more convenient.
Description
Technical field
The present invention relates to a kind of processing unit (plant), the enlarging device of particularly a kind of preparatory enlarging equipment and tubular workpiece.
Background technology
In the processing technology of existing each equipment, need carry out expansion tube process operation often, for example to pipe; In the machining process of fin-tube type heat exchanger, need carry out the mechanical expanding operation to pipe, pipe is stressed bigger during owing to the expand tube operation; Cause the damage of pipe easily, cause working (machining) efficiency not high, yield rate is lower; Existing fin-tube type heat exchanger generally comprises copper pipe fin heat exchanger and aluminum pipe fin heat exchanger, because the performance difference of material aspect, the aluminum pipe fin heat exchanger is when carrying out the expansion tube process operation; The processing scrappage is higher, and it is many to add man-hour aluminium bits impurity, especially need carry out the technological operation of more refinement and handle.
Summary of the invention
First purpose of the present invention is to provide a kind of preparatory enlarging equipment, and it can provide secondary process for the expand tube processing technology of pipe, with the working (machining) efficiency and the yield rate that improve the expand tube processing technology, facilitate for follow-up operations such as welding procedure.
For achieving the above object, the present invention adopts following technical scheme:
A kind of preparatory enlarging equipment; Comprise operating console, processing unit (plant) and the electrical system and the hydraulic system that are connected with this processing unit (plant) respectively; Wherein, said processing unit (plant) comprises the acceptance division of oil spout bar, expansion mouth and open upper end, and said expansion mouth (34) is socketed on the said oil spout bar; The lower end position of said expansion mouth is corresponding with the position of said acceptance division, the diameter of said expansion mouth and the near-end mutually of said acceptance division less than with the diameter of said acceptance division away from end.
According to preparatory enlarging equipment of the present invention, it provides energy source and power through the control operation of operating console by electrical system; Realize preparatory enlarging operation through the expansion mouth of processing unit (plant), when the preparatory enlarging of execution is operated, at first processing work is placed on acceptance division pipe; The expansion mouth of processing unit (plant) stretches in the pipe, through the application of force of expansion mouth to pipe, the expand tube effect can take place; Make pipe is carried out preparatory enlarging operation, thereby in the subsequent machining technology process to pipe, because pipe has carried out secondary process through preparatory enlarging equipment of the present invention; Promptly pipe has been carried out preparatory enlarging operation, pipe is stressed when having reduced the follow-up operation of expand tube again, can slow down the resilience behind the tubing expand tube; Realize the expand tube operation more easily, improved the working (machining) efficiency of expand tube processing technology operation, the yield rate when having improved the operation of expand tube processing technology; And can facilitate for the welding operation in the subsequent machining technology, make follow-up welding procedure operation more convenient.
Wherein, Preparatory enlarging equipment of the present invention can also comprise the oil spout bar of the hollow cylinder structure with injection tubing; Said expansion mouth is hollow structure and is socketed on the said oil spout bar; Said oil spout bar is provided with the oil spout bulb near an end of said acceptance division, and the other end is connected with the mist of oil system of said hydraulic system.Thereby under the pressure effect of hydraulic system, the oil in the hydraulic system is delivered to the oil spout bulb through the injection tubing of oil spout bar; And by this oil spout bulb spray feed to the pipe to be processed, playing the effect of lubricant, thereby; When pipe being carried out the secondary process operation; When carrying out preparatory enlarging, also carry out lubricated operation, thereby can reduce the generation of the bits end impurity of pipe, realized the expand tube operation of preparatory enlarging more easily; Working (machining) efficiency when having improved this preparatory enlarging technological operation has improved the yield rate of preparatory enlarging technological operation.
Wherein, In preparatory enlarging equipment of the present invention, what also comprise the expansion mouth extension bar and have a hollow structure moves back the die sleeve tube, and a said end that moves back the die sleeve tube is socketed on the said expansion mouth; One end of said expansion mouth extension bar is socketed in outside the said expansion mouth, and the other end is socketed on the said oil spout bar.Thereby the expansion mouth extension bar can prevent that said oil spout bar from receiving the infringement of external force, and this oil spout bar is played a protective role, in addition, move back the die sleeve tube and can form protective effect pipe, and can the pipe of workpiece to be processed is fixing in vertical direction.
Wherein, said expansion mouth extension bar comprises top expansion mouth extension bar and bottom expansion mouth extension bar, and the space is arranged between said top expansion mouth extension bar and bottom expansion mouth extension bar at interval.Because the existence in this space, thereby in can the process that the oil spout bar descends when enlarging operation in advance, the air when from this space the oil spout bar being descended prevents that pressure is excessive processing unit (plant) is caused damage.
Wherein, preparatory enlarging equipment of the present invention also comprises stiffener, and said stiffener is set in the outer peripheral face of said expansion mouth extension bar, and the lower end side of stiffener (30) is socketed in the said outer peripheral face that moves back die sleeve tube (35).Thereby this stiffener can play guide effect to said expansion mouth extension bar and oil spout bar.
Wherein, said move back the die sleeve tube have to the side uncovered move back die sleeve tube breach, said move back to be provided with between die sleeve tube breach and the said stiffener move back die sleeve tube installing plate, the said die sleeve tube installing plate that moves back is socketed in said moving back on the die sleeve tube.Can carry out spacing to the said die sleeve tube that moves back thereby this moves back die sleeve tube breach, move back die sleeve tube installing plate.
Wherein, Also comprise the expansion mouth base plate that is arranged at the said oil spout bar outside, be installed on expansion mouth installing plate and expansion mouth cover plate in the other end outside of said expansion mouth extension bar respectively, said expansion mouth installing plate is between said expansion mouth base plate and said expansion mouth cover plate.Thereby this structure can form the fixture to expansion mouth, and expansion mouth is fixed on outside the said oil spout bar.
Wherein, on said expansion mouth extension bar, be provided with to the uncovered expansion mouth extension bar breach in side, said expansion mouth cover plate is provided with clamp and little spring near a side inside of said expansion mouth installing plate, and said clamp and little spring and said expansion mouth extension bar breach join.Thereby can further form fixation, can expansion mouth be fixed on the said oil spout bar said expansion mouth.
Wherein, Preparatory enlarging equipment of the present invention; Also comprise the oil spout bar installing plate, eccentric bushing cover plate, oil spout lever lock plate and the oil spout bowl cover plate that are installed on the said oil spout bar outside; Said eccentric bushing cover plate is between said oil spout bar installing plate and said oil spout lever lock plate, and said oil spout bowl cover plate is positioned at the opposite side of said oil spout lever lock plate.Thereby said oil spout bar installing plate, eccentric bushing cover plate, oil spout lever lock plate and oil spout bowl cover plate can be formed a Camlock structure jointly, with fixing said oil spout bar.
Wherein, said oil spout bar installing plate bottom has the recess to lower open mouth, in this recess, is provided with the eccentric collar that is socketed on the said oil spout bar, is connected to sealing ring at said eccentric collar overcoat.Thereby the interior oil of injection tubing that the sealing circle can be placed the oil spout bar spills from this oil spout bar, and should can the sealing circle be given stationary positioned by the off-centre collar.
Further; According to preparatory enlarging equipment of the present invention; Also comprise: the acceptance division extension bar that is connected with the bottom of said acceptance division, the acceptance division base plate that is installed on the said acceptance division extension bar outside, jam plate and locking base plate; Said jam plate is between said acceptance division base plate and said locking base plate, and the opposite side of said acceptance division base plate and said acceptance division join.Thereby this acceptance division extension bar, acceptance division base plate, jam plate and locking base plate be common forms a retaining mechanism, fixing, to support said acceptance division, and this acceptance division is produced position-limiting action.
Wherein, in preparatory enlarging equipment of the present invention, said oil spout bulb is fixed on the said oil spout bar through oil spout bar screw.Thereby the oil spout bulb is fixed on the said oil spout bar, can make the oil spout bulb be not easy to come off from this oil spout bar, and can make the oil spout bar get into the mouth of pipe of processed pipe smoothly.
Second purpose of the present invention is to provide a kind of enlarging device of tubular workpiece, and it can carry out expansion tube process operation for the pipe of tubular workpiece, with the working (machining) efficiency and the yield rate that improve the expand tube processing technology, facilitate for follow-up operations such as welding procedure.
For achieving the above object, the present invention adopts following technical scheme:
A kind of enlarging device of tubular workpiece; Comprise acceptance division; Wherein, This enlarging device also comprises the oil spout bar and is socketed in the expansion mouth on the oil spout bar (29), and the lower end position of this expansion mouth is corresponding with the position of acceptance division, the diameter of said expansion mouth and the near-end mutually of said acceptance division less than with the diameter of said acceptance division away from end.
According to the enlarging device of tubular workpiece of the present invention, when carrying out the enlarging operation, at first processing work is placed on acceptance division; The expansion mouth of enlarging device stretches in the pipe, through the application of force of expansion mouth to pipe, the expand tube effect can take place; Make pipe is carried out preparatory enlarging operation, thereby in the subsequent machining technology process to pipe, because pipe has carried out secondary process through the enlarging device of tubular workpiece of the present invention; Promptly pipe has been carried out preparatory enlarging operation, pipe is stressed when having reduced the follow-up operation of expand tube again, can slow down the resilience behind the tubing expand tube; Realize the expand tube operation more easily, improved the working (machining) efficiency of expand tube processing technology operation, the yield rate when having improved the operation of expand tube processing technology; And can ratio be provided for the welding operation in the subsequent machining technology, make follow-up welding procedure operation more convenient.
Wherein, the enlarging device of this tubular workpiece also comprises the oil spout bar of the hollow cylinder structure with injection tubing, and said expansion mouth is hollow structure and is socketed on the said oil spout bar that said oil spout bar is provided with the oil spout bulb near an end of said acceptance division.Thereby, when carrying out preparatory enlarging operation, can also to the oil spout bulb lubricating oil be provided with the injection tubing of oil spout bar; And by this oil spout bulb with the lubricating oil spray feed to the pipe to be processed, playing the effect of lubricant, thereby; When pipe being carried out the secondary process operation; When carrying out preparatory enlarging, also carry out lubricated operation, thereby can reduce the generation of the bits end impurity of pipe, realized the expand tube operation of preparatory enlarging more easily; Working (machining) efficiency when having improved this preparatory enlarging technological operation has improved the yield rate of preparatory enlarging technological operation.
Wherein, In the enlarging device of tubular workpiece of the present invention; What also comprise the expansion mouth extension bar and have a hollow structure moves back the die sleeve tube; A said end that moves back the die sleeve tube is socketed on the said expansion mouth, and an end of said expansion mouth extension bar is socketed in outside the said expansion mouth, and the other end is socketed on the said oil spout bar.Thereby the expansion mouth extension bar can prevent that said oil spout bar from receiving the infringement of external force, and this oil spout bar is played a protective role, in addition, move back the die sleeve tube and can form protective effect pipe, and can the pipe of workpiece to be processed is fixing in vertical direction.
Wherein, the enlarging device of tubular workpiece of the present invention also comprises stiffener, and said stiffener is set in the outer peripheral face of said expansion mouth extension bar, and the lower end side of stiffener is socketed in the said outer peripheral face that moves back the die sleeve tube.Thereby this stiffener can play guide effect to said expansion mouth extension bar and oil spout bar.
Wherein, said move back the die sleeve tube have to the side uncovered move back die sleeve tube breach, said move back to be provided with between die sleeve tube breach and the said stiffener move back die sleeve tube installing plate, the said die sleeve tube installing plate that moves back is socketed in said moving back on the die sleeve tube.Can carry out spacing to the said die sleeve tube that moves back thereby this moves back die sleeve tube breach, move back die sleeve tube installing plate.
Wherein, Also comprise the expansion mouth base plate that is arranged at the said oil spout bar outside, be installed on expansion mouth installing plate and expansion mouth cover plate in the other end outside of said expansion mouth extension bar respectively, said expansion mouth installing plate is between said expansion mouth base plate and said expansion mouth cover plate.Thereby this structure can form the fixture to expansion mouth, and expansion mouth is fixed on outside the said oil spout bar.
Wherein, on said expansion mouth extension bar, be provided with to the uncovered expansion mouth extension bar breach in side, said expansion mouth cover plate is provided with clamp and little spring near a side inside of said expansion mouth installing plate, and said clamp and little spring and said expansion mouth extension bar breach join.Thereby can further form fixation, can expansion mouth be fixed on the said oil spout bar said expansion mouth.
Wherein, said expansion mouth extension bar comprises top expansion mouth extension bar and bottom expansion mouth extension bar, and the space is arranged between said top expansion mouth extension bar and bottom expansion mouth extension bar at interval.Because the existence in this space, thereby in can the process that the oil spout bar descends when enlarging operation in advance, the air when from this space the oil spout bar being descended prevents that pressure is excessive processing unit (plant) is caused damage.
Wherein, The enlarging device of tubular workpiece of the present invention; Also comprise the oil spout bar installing plate, eccentric bushing cover plate, oil spout lever lock plate and the oil spout bowl cover plate that are installed on the said oil spout bar outside; Said eccentric bushing cover plate is between said oil spout bar installing plate and said oil spout lever lock plate, and said oil spout bowl cover plate is positioned at the opposite side of said oil spout lever lock plate.Thereby said oil spout bar installing plate, eccentric bushing cover plate, oil spout lever lock plate and oil spout bowl cover plate can be formed a Camlock structure jointly, with fixing said oil spout bar.
Wherein, said oil spout bar installing plate bottom has the recess to lower open mouth, in this recess, is provided with the eccentric collar that is socketed on the said oil spout bar, is connected to sealing ring at said eccentric collar overcoat.Thereby the interior oil of injection tubing that the sealing circle can be placed the oil spout bar spills from this oil spout bar, and should can the sealing circle be given stationary positioned by the off-centre collar.
Wherein, in the enlarging device of tubular workpiece of the present invention, said oil spout bulb is fixed on the said oil spout bar through oil spout bar screw.Thereby the oil spout bulb is fixed on the said oil spout bar, can make the oil spout bulb be not easy to come off from this oil spout bar, and can make the oil spout bar get into the mouth of pipe of processed pipe smoothly.
Description of drawings
Fig. 1 is the front view of preparatory enlarging equipment most preferred embodiment of the present invention;
Fig. 2 is the side view of the preparatory enlarging equipment most preferred embodiment of above-mentioned most preferred embodiment;
Fig. 3 be in the above-mentioned most preferred embodiment the enlarging device, move back the profile of the assembly structure relation of die sleeve tube and oil spout bar;
Fig. 4 is the assembly structure profile of oil spout bar in the above-mentioned most preferred embodiment;
Fig. 5 is the profile of acceptance division and fixture thereof in the above-mentioned most preferred embodiment.
The specific embodiment
Below set forth in detail to a most preferred embodiment of preparatory enlarging equipment of the present invention.In this most preferred embodiment, this preparatory enlarging equipment can be the fin-tube type heat exchanger secondary process equipment that fin-tube type heat exchanger is carried out preparatory enlarging.
In this most preferred embodiment, preparatory enlarging equipment of the present invention is power with pressure oil, through mechanical system, in the one action circulation, accomplishes once enlarging in advance, an automatic splash lubrication job.Once the entering of being convenient to the bloated head of follow-up expand tube operation is operated in enlarging in advance, can reduce the resistance of follow-up expand tube and the formation of cup-shaped recess simultaneously, can make when eyesight elbow inserts the mouth of pipe in the subsequent handling accurately to locate, to make things convenient for the operations such as welding in the follow-up work.
In the most preferred embodiment of preparatory enlarging equipment of the present invention, this preparatory enlarging equipment comprises electrical system 13, processing unit (plant), operating console and hydraulic system 16.
Wherein, Said processing unit (plant) comprises oil spout bar 29, acceptance division 45 and is socketed in the expansion mouth 34 on the said oil spout bar 29; Said oil spout bar 29 is the hollow cylinder structure of hollow, and its hollow space is an injection tubing 21, and this oil spout bar has oil spout bulb 36 near an end of acceptance division 45; This oil spout bulb 36 is fixed on the oil spout bar 29 through oil spout bar screw 37; Well oil spout bulb 36 being positioned, said expansion mouth 34, oil spout bar 29 are corresponding with the position of said acceptance division 45, and the other end of the injection tubing 21 of said oil spout bar 29 is connected with the mist of oil system 51 of said hydraulic system 16.
This oil spout bar 29 has Camlock mechanism; So that this oil spout bar 29 is played fixing, position-limiting action; This Camlock mechanism comprises oil spout bar installing plate 39, eccentric bushing cover plate 41, oil spout lever lock plate 42, oil spout bowl cover plate 43, sealing ring 38 and the eccentric collar 40 that is socketed on the oil spout bar 29; Wherein, Said eccentric bushing cover plate 41 is between said oil spout bar installing plate 39 and said oil spout lever lock plate 42; Said oil spout bowl cover plate 43 is positioned at the opposite side of said oil spout lever lock plate 42, and the said eccentric collar 40 is installed in the outside of oil spout bar 29, the inside of oil spout bar installing plate 39 and a side of joining with said eccentric bushing cover plate 41, and said sealing ring is socketed between the said eccentric collar 40 and the oil spout bar installing plate 39.Wherein, the oil that sealing circle 38 can be placed in the injection tubing 21 spills from the oil spout bar, and the eccentric collar 40 can be fixed, locate sealing circle 38.According to this Camlock structure, this oil spout bar 29 can be installed on the installing mechanism 6, and fixes with spacing through oil spout bar bracing or strutting arrangement 7, and this oil spout bar 29 is connected with the magnetic valve of electrical system 13 and the ejection cylinder 10 of hydraulic system 16 simultaneously.
Preparatory enlarging equipment in the present embodiment also comprises expansion mouth extension bar 28 and moves back die sleeve tube 35; One end of this expansion mouth extension bar 28 is socketed in outside the expansion mouth 34; The other end is socketed on the said oil spout bar 29, and a said end that moves back die sleeve tube 35 is socketed in outside the said expansion mouth 34.This preparatory enlarging equipment can also comprise the expansion mouth installing plate 24 and the expansion mouth cover plate 26 in the other end outside that is socketed in the expansion mouth base plate 22 outside the said oil spout bar 29 and is socketed in expansion mouth extension bar 28 respectively; This expansion mouth installing plate 24 is between expansion mouth base plate 22 and said expansion mouth cover plate 26; On expansion mouth extension bar 28, have to the uncovered expansion mouth extension bar breach 27 in side; One side inside of expansion mouth cover plate 26 is provided with clamp and little spring 25; This clamp and little spring 25 join this expansion mouth extension bar 28 is fixed on said oil spout bar 29 outsides with said expansion mouth extension bar breach 27, and said structure can be used for fixedly expansion mouth 34.
Wherein, this expansion mouth extension bar 28 comprises top expansion mouth extension bar 281 and bottom expansion mouth extension bar 282, and space 31 is arranged between said top expansion mouth extension bar 281 and bottom expansion mouth extension bar 282 at interval.Because the existence in this space 31, thereby in can the process that oil spout bar 29 descends when enlarging operation in advance, the air when from this space 31 oil spout bar 29 being descended prevents that pressure is excessive processing unit (plant) is caused damage.
In the arranged outside of moving back die sleeve tube 35 stiffener 30 with downward recess 30a is arranged, a side of stiffener 30 is socketed in the outside of moving back die sleeve tube 35, and a part is socketed on the expansion mouth extension bar 28.In addition, said move back be provided with on the die sleeve tube 35 to the side uncovered move back die sleeve tube breach 33, move back die sleeve tube installing plate 32 moving back to be provided with between die sleeve tube 35 and the stiffener 30, the said die sleeve tube installing plate 32 that moves back is socketed in said moving back on the die sleeve tube 35.Structure with stiffener 30 of recess 30a can play guide effect to expansion mouth extension bar 28, oil spout bar 29.
In addition, this preparatory enlarging equipment also comprises the acceptance division extension bar 47 that is connected with the bottom of this acceptance division 45, and the acceptance division base plate 48, jam plate 49 and the locking base plate 50 that are installed on these acceptance division extension bar 47 outsides.Wherein, Acceptance division extension bar 47 is through the bottom connection of mode and acceptance division 45 such as be threaded, and acceptance division base plate 48, jam plate 49 and locking base plate 50 are arranged on acceptance division extension bar 47 outsides, and jam plate 49 acceptance division base plate 48 with lock between the base plate 50; The opposite side of acceptance division base plate 48 and acceptance division 45 join; When jam plate 49 was promoted left, jam plate 49 was locked acceptance division extension bar 47, made acceptance division extension bar 47 to extract out; Thereby; This locking mechanism can play fixing, spacing and supporting role to acceptance division 45, can be with this acceptance division 45, acceptance division extension bar 47, acceptance division base plate 48, jam plate 49 and locking base plate 50 overall fixed on rotary table 19.
In addition; Preparatory enlarging equipment in the present embodiment can also comprise guide bar receiver 1, power seat 4, moves back die holder 12, balance cylinder 18, guiding mechanism 2 and fastening system 15;, location workpiece to be processed fixing and in advance enlarging and lubricated purpose to play; In addition, the processing unit (plant) of being made up of oil spout bar 29, expansion mouth 34, acceptance division 45 etc. is fixed on the base 20 and places on the frame 3, and this processing unit (plant) is connected with hydraulic system 16 with electrical system 13.
The concrete operation method of this equipment can be: at first accomplish the relevant adjustment to machine; Relative position of each parts such as limited block, travel switch or the like for example; With pack into the outside of rotary table 19 of workpiece to be processed, start working by starting knob (on operating console) back equipment automatically then, rotary table 19 and workpiece to be processed are inferred pre-set position together under the effect of electrical system 13, mechanical system; Make workpiece to be processed be positioned at the upper opening position of acceptance division 45; And the pipe opening of workpiece up, and the magnetic valve of electrical system 13 control hydraulic systems 16 descends thereby drive the power seat 4 that is attached thereto to ejection cylinder 10 fuel feeding; And act on the enlarging seat 11 that comprises expansion mouth 34 and comprise move back die sleeve tube 35 move back die holder 12, this enlarging seat 11 with move back die holder 12 and also descend simultaneously and rapidly thereupon.In above-mentioned parts decline process fast; Trigger the second pre-set travel switch on the machine; When being triggered to this second travel switch, electrical system 13 changes the operating position of magnetic valve, changes the duty of hydraulic system 16; Descend thereby it is transferred at a slow speed by quick decline, be convenient to be about to the processing of carrying out.At this moment, power seat 4 is in jogging speed decline process, and the oil spout bar 29 that is attached thereto gets into the mouth of pipe of the pipe of workpiece to be processed at a slow speed; Start injection system simultaneously, make lubricating oil in the ejection cylinder 10 under compressed-air actuated pressure through the processing that atomizes of the mist of oil system 51 of oil cylinder, the oil spout bulb 36 of the oil spout bar 29 through being inserted into the heat exchanger U-shaped pipe port sprays into the U-shaped inside pipe wall of pipe with vaporific form at last; For follow-up preparatory enlarging is lubricated preparation, air pump promotes cylinder rod and rises to balance cylinder 18 air feed simultaneously; Make the die sleeve tube 35 that moves back that moves back on the die holder 12 rigidly connect to hold when touching workpiece fin side plate and move back die holder 12, touch sleeve 35 and after touching workpiece fin side plate, stop to descend so that move back, and push down workpiece fin side plate; The motion in vertical direction of restriction workpiece, this moment, 4 continuation of power seat descended, and pushed down the nut block 8 on the screw mandrel; Nut block 8 is depressed enlarging seat 11; Because the expansion mouth of installing on the enlarging seat 11 34 is (both can do relative motion) that are socketed in oil spout bar 29 outsides, so when enlarging seat 11 is depressed, drive the mouth of pipe that expansion mouth extension bar 28 is pressed into expansion mouth 34 at a slow speed workpiece to be processed; Carry out preparatory enlarging work; Add that lubricating oil has been got well in spray in advance, thereby can obtain good processing effect, as enhance productivity, reduce that the aluminium bits form etc.
After accomplishing preparatory enlarging operation, the air pump air feed, and change airflow direction, balance cylinder 18 descends; Limited block on the cylinder rod is pushed down and is moved back die holder 12, and the rising of die holder 12 is moved back in restriction, thereby before expansion mouth 34 and oil spout bar 29 are not extracted; Make to move back and touch sleeve 35 and continue to push down workpiece, expansion mouth 34 and oil spout bar 29 and workpiece to be processed are broken away from smoothly, power seat 4 rises simultaneously; Oil spout bar 29 begins to withdraw from, and realizes moving back the operation of mould, when power seat 4 and oil spout bar 29 retreat to the stroke end; The balance cylinder decompression, the oil pump off-load, the limited block on the cylinder rod is unbalance; No longer the rising of die holder 12 is moved back in restriction, moves back die holder 12 and goes back up to initial position, thereby accomplished the whole machining process process.If need the next exemplar of processing, repeat said process and get final product.
Wherein, Processing unit (plant) in the invention described above most preferred embodiment; Can use at other any needs and carry out on the equipment of enlarging, to realize enlarging operation, at this moment tubular workpiece; Carrying out enlarging when operation, employed acceptance division 45 can be the device of the received workpiece to be processed that had of this equipment.In addition, this can realize the enlarging device of the tubular workpiece of enlarging operation to tubular workpiece, its processing unit (plant) on concrete structure can with above-mentioned specific embodiment in identical, do not repeat them here.
Above-described preferred forms of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (23)
1. preparatory enlarging equipment; It is characterized in that; Electrical system (13) that comprises operating console, processing unit (plant) and be connected with this processing unit (plant) respectively and hydraulic system (16); Wherein, said processing unit (plant) comprises the acceptance division (45) of oil spout bar (29), expansion mouth (34) and open upper end, and said expansion mouth (34) is socketed on the said oil spout bar; The lower end position of said expansion mouth (34) is corresponding with the position of said acceptance division (45), the diameter of said expansion mouth (34) and the near-end mutually of said acceptance division (45) less than with the diameter of said acceptance division (45) away from end.
2. preparatory enlarging equipment according to claim 1; It is characterized in that; Said oil spout bar (29) is for having the hollow cylinder structure of injection tubing (21); Said expansion mouth (34) is hollow structure and is socketed on the said oil spout bar (29) that said oil spout bar (29) is provided with oil spout bulb (36) near an end of said acceptance division (45), and the other end is connected with the mist of oil system (51) of said hydraulic system (16).
3. preparatory enlarging equipment according to claim 2; It is characterized in that; What also comprise expansion mouth extension bar (28) and have a hollow structure moves back die sleeve tube (35); A said end that moves back die sleeve tube (35) is socketed on the said expansion mouth (34), and an end of said expansion mouth extension bar (28) is socketed in outside the said expansion mouth (34), and the other end is socketed on the said oil spout bar (29).
4. preparatory enlarging equipment according to claim 3; It is characterized in that; Said expansion mouth extension bar (28) comprises top expansion mouth extension bar (281) and bottom expansion mouth extension bar (282), and space (31) is arranged between said top expansion mouth extension bar (281) and bottom expansion mouth extension bar (282) at interval.
5. preparatory enlarging equipment according to claim 4; It is characterized in that; Also comprise stiffener (30), said stiffener (30) is set in the outer peripheral face of said expansion mouth extension bar (28), and the lower end side of stiffener (30) is socketed in the said outer peripheral face that moves back die sleeve tube (35).
6. preparatory enlarging equipment according to claim 5; It is characterized in that; Said move back die sleeve tube (35) have to the side uncovered move back die sleeve tube breach (33); Said move back to be provided with between die sleeve tube breach (33) and the said stiffener (30) move back die sleeve tube installing plate (32), the said die sleeve tube installing plate (32) that moves back is socketed in said moving back on the die sleeve tube (35).
7. according to claim 3 or 4 or 5 or 6 described preparatory enlarging equipment; It is characterized in that: also comprise the expansion mouth base plate (22) that is arranged at said oil spout bar (29) outside, be installed on expansion mouth installing plate (24) and expansion mouth cover plate (26) in the other end outside of said expansion mouth extension bar (28) respectively, said expansion mouth installing plate (24) is positioned between said expansion mouth base plate (22) and the said expansion mouth cover plate (26).
8. preparatory enlarging equipment according to claim 7; It is characterized in that; On said expansion mouth extension bar (28), be provided with to the uncovered expansion mouth extension bar breach (27) in side; Said expansion mouth cover plate (26) is provided with clamp and little spring (25) near a side inside of said expansion mouth installing plate (24), and said clamp and little spring (25) join with said expansion mouth extension bar breach (27).
9. preparatory enlarging equipment according to claim 2; It is characterized in that; Also comprise the oil spout bar installing plate (39), eccentric bushing cover plate (41), oil spout lever lock plate (42) and the oil spout bowl cover plate (43) that are installed on said oil spout bar (29) outside; Said eccentric bushing cover plate (41) is positioned between said oil spout bar installing plate (39) and the said oil spout lever lock plate (42), and said oil spout bowl cover plate (43) is positioned at the opposite side of said oil spout lever lock plate (42).
10. preparatory enlarging equipment according to claim 9; It is characterized in that: said oil spout bar installing plate (39) bottom has the recess to lower open mouth; In this recess, be provided with the eccentric collar (40) that is socketed on the said oil spout bar (29), outside the said eccentric collar (40), be socketed with sealing ring (38).
11. preparatory enlarging equipment according to claim 2; It is characterized in that; Also comprise: the acceptance division extension bar (47) that is connected with the bottom of said acceptance division (45), the acceptance division base plate (48) that is installed on said acceptance division extension bar (47) outside, jam plate (49) and locking base plate (50); Said jam plate (49) is positioned between said acceptance division base plate (48) and the said locking base plate, and the opposite side of said acceptance division base plate (48) and said acceptance division (45) join.
12. preparatory enlarging equipment according to claim 2 is characterized in that said oil spout bulb (36) is fixed on the said oil spout bar (29) through oil spout bar screw (37).
13. the enlarging device of a tubular workpiece; Comprise acceptance division (45); It is characterized in that: this enlarging device also comprises oil spout bar (29) and is socketed in the expansion mouth (34) on the said oil spout bar (29); The lower end position of this expansion mouth (34) is corresponding with the position of acceptance division (45), the diameter of said expansion mouth (34) and the near-end mutually of said acceptance division (45) less than with the diameter of said acceptance division (45) away from end.
14. the enlarging device of tubular workpiece according to claim 13; It is characterized in that; The oil spout bar (29) that also comprises hollow cylinder structure with injection tubing (21); Said expansion mouth (34) is hollow structure and is socketed on the said oil spout bar (29) that said oil spout bar (29) is provided with oil spout bulb (36) near an end of said acceptance division (45).
15. the enlarging device of tubular workpiece according to claim 14; It is characterized in that; What also comprise expansion mouth extension bar (28) and have a hollow structure moves back die sleeve tube (35); A said end that moves back die sleeve tube (35) is socketed on the said expansion mouth (34), and an end of said expansion mouth extension bar (28) is socketed in outside the said expansion mouth (34), and the other end is socketed on the said oil spout bar (29).
16. the enlarging device of tubular workpiece according to claim 15; It is characterized in that; Said expansion mouth extension bar (28) comprises top expansion mouth extension bar (281) and bottom expansion mouth extension bar (282), and space (31) is arranged between said top expansion mouth extension bar (281) and bottom expansion mouth extension bar (282) at interval.
17. the enlarging device of tubular workpiece according to claim 16; It is characterized in that; Also comprise stiffener (30), said stiffener (30) is set in the outer peripheral face of said expansion mouth extension bar (28), and the lower end side of stiffener (30) is socketed in the said outer peripheral face that moves back die sleeve tube (35).
18. the enlarging device of tubular workpiece according to claim 17; It is characterized in that; Said move back die sleeve tube (35) have to the side uncovered move back die sleeve tube breach (33); Said move back to be provided with between die sleeve tube breach (33) and the said stiffener (30) move back die sleeve tube installing plate (32), the said die sleeve tube installing plate (32) that moves back is socketed in said moving back on the die sleeve tube (35).
19. enlarging device according to claim 15 or 16 or 17 or 18 described tubular workpieces; It is characterized in that: also comprise the expansion mouth base plate (22) that is arranged at said oil spout bar (29) outside, be installed on expansion mouth installing plate (24) and expansion mouth cover plate (26) in the other end outside of said expansion mouth extension bar (28) respectively, said expansion mouth installing plate (24) is positioned between said expansion mouth base plate (22) and the said expansion mouth cover plate (26).
20. the enlarging device of tubular workpiece according to claim 19; It is characterized in that; On said expansion mouth extension bar (28), be provided with to the uncovered expansion mouth extension bar breach (27) in side; Said expansion mouth cover plate (26) is provided with clamp and little spring (25) near a side inside of said expansion mouth installing plate (24), and said clamp and little spring (25) join with said expansion mouth extension bar breach (27).
21. the enlarging device of tubular workpiece according to claim 14; It is characterized in that; Also comprise the oil spout bar installing plate (39), eccentric bushing cover plate (41), oil spout lever lock plate (42) and the oil spout bowl cover plate (43) that are installed on said oil spout bar (29) outside; Said eccentric bushing cover plate (41) is positioned between said oil spout bar installing plate (39) and the said oil spout lever lock plate (42), and said oil spout bowl cover plate (41) is positioned at the opposite side of said oil spout lever lock plate (42).
22. the enlarging device of tubular workpiece according to claim 21; It is characterized in that: said oil spout bar installing plate (39) bottom has the recess to lower open mouth; In this recess, be provided with the eccentric collar (40) that is socketed on the said oil spout bar (29), outside the said eccentric collar (40), be socketed with sealing ring (38).
23. the enlarging device of tubular workpiece according to claim 14 is characterized in that, said oil spout bulb (36) is fixed on the said oil spout bar (29) through oil spout bar screw (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810220358XA CN101745585B (en) | 2008-12-20 | 2008-12-20 | Pre-flaring equipment and flaring device of tubular workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810220358XA CN101745585B (en) | 2008-12-20 | 2008-12-20 | Pre-flaring equipment and flaring device of tubular workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101745585A CN101745585A (en) | 2010-06-23 |
| CN101745585B true CN101745585B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810220358XA Active CN101745585B (en) | 2008-12-20 | 2008-12-20 | Pre-flaring equipment and flaring device of tubular workpiece |
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| Country | Link |
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| CN (1) | CN101745585B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407269B (en) * | 2011-11-29 | 2015-08-19 | 宁波精达成形装备股份有限公司 | Rapid die release mechanism of vertical pipe expansion machine |
| CN104972428B (en) * | 2015-08-03 | 2016-09-07 | 福州诺贝尔福基机电有限公司 | Fuel pipe cooler fin installs unloading device and production and processing technology thereof |
| CN106825275A (en) * | 2017-01-22 | 2017-06-13 | 苏州新元电器有限公司 | A kind of new tube expander |
| CN112191752B (en) * | 2020-09-10 | 2022-05-20 | 江门市响珰珰钢业有限公司 | Pre-flaring device for low-wall-thickness steel pipe |
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|---|---|---|---|---|
| US5782128A (en) * | 1997-04-18 | 1998-07-21 | Mastercool, Inc. | Hand tool for flaring a tube |
| CN2387989Y (en) * | 1999-08-25 | 2000-07-19 | 蔡清源 | Heat exchanger tube expander |
| CN201195184Y (en) * | 2008-03-10 | 2009-02-18 | 珠海格力电器股份有限公司 | Pre-flaring equipment and flaring device of tubular workpiece |
| CN101722242A (en) * | 2008-10-17 | 2010-06-09 | 铜联商务咨询（上海）有限公司 | Non-contraction tube expanding equipment |
-
2008
- 2008-12-20 CN CN200810220358XA patent/CN101745585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5782128A (en) * | 1997-04-18 | 1998-07-21 | Mastercool, Inc. | Hand tool for flaring a tube |
| CN2387989Y (en) * | 1999-08-25 | 2000-07-19 | 蔡清源 | Heat exchanger tube expander |
| CN201195184Y (en) * | 2008-03-10 | 2009-02-18 | 珠海格力电器股份有限公司 | Pre-flaring equipment and flaring device of tubular workpiece |
| CN101722242A (en) * | 2008-10-17 | 2010-06-09 | 铜联商务咨询（上海）有限公司 | Non-contraction tube expanding equipment |
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| CN101745585A (en) | 2010-06-23 |
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Application publication date: 20100623 Assignee: GREE ELECTRIC APPLIANCES (WUHAN) Co.,Ltd. Assignor: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Contract record no.: 2013440000111 Denomination of invention: Pre-flaring equipment and flaring device of tubular workpiece Granted publication date: 20120822 License type: Exclusive License Record date: 20130402 |
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