CN109454394A - A kind of roundness control device and method of axial flow blower cylinder - Google Patents

A kind of roundness control device and method of axial flow blower cylinder Download PDF

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Publication number
CN109454394A
CN109454394A CN201811595227.XA CN201811595227A CN109454394A CN 109454394 A CN109454394 A CN 109454394A CN 201811595227 A CN201811595227 A CN 201811595227A CN 109454394 A CN109454394 A CN 109454394A
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CN
China
Prior art keywords
cylinder
axial flow
flow blower
control device
roundness
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
CN201811595227.XA
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Chinese (zh)
Inventor
吴想灵
金守清
苏明宝
张劲戈
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Shanghai Nautilus General Equipment Manufacturing Co Ltd
Original Assignee
Shanghai Nautilus General Equipment Manufacturing 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 Shanghai Nautilus General Equipment Manufacturing Co Ltd filed Critical Shanghai Nautilus General Equipment Manufacturing Co Ltd
Priority to CN201811595227.XA priority Critical patent/CN109454394A/en
Publication of CN109454394A publication Critical patent/CN109454394A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/053Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
    • B23K37/0531Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps

Abstract

The invention discloses a kind of roundness control device and methods of axial flow blower cylinder, its device is arranged in the cylinder after cylinder material edge rolling, wherein, setting is distributed along the cylinder inboard wall of predetermined circularity including several faggings, be used to support and supports the real cylinder to carry out welding process;The fagging is set as with the predetermined arc for adapting to the cylinder roundness.The roundness control device and method of axial flow blower cylinder provided by the present invention supports multiple faggings of real cylinder due to using, the molding circularity for ensureing axial flow blower cylinder can effectively be controlled, not only easy to operate but also economical and practical, solve the current axial flow blower cylinder especially uncontrollable technological difficulties of tunnel large axial flow fan cylinder molding circularity, productivity is greatly improved, processing cost has been saved.

Description

A kind of roundness control device and method of axial flow blower cylinder
Technical field
The present invention relates to a kind of manufacturing device of axial flow blower cylinder and method more particularly to a kind of axial flow blower cylinders The roundness control device and method of body improves.
Background technique
In the prior art, since whether the gap size of axial-flow fan blade and barrel, gap are uniformly to the operation of blower Efficiency, operational safety influence all very big, it is therefore necessary to which the accurate to dimension and cylinder roundness for ensuring axial flow blower cylinder are It can guarantee that axial flow blower has good integrated operation performance.
The axial flow blower cylinder of the prior art is usually to be welded after being crimped by steel plate, in welding due to the wind of curling Cylinder cylinder can influence that the circularity of entire cylinder is caused not can guarantee due to gravity factor, thus can not form the cylinder for being satisfied with circularity To weld, the process for often resulting in product is difficult, eventually leads to the yield decline of cylinder product.
Especially large-scale propeller fan, air duct processing method is usually to weld to be made after using steel plate edge rolling, due to The barrel diameter of blower is big, barrel is relatively thin, and steel plate can deform after edge rolling, while welding can be also deformed, and cause to produce The circularity of product it is difficult to ensure that.
Since axial flow blower cylinder process is easy to produce deformation, machining accuracy cannot be ensured, the cylinder processed Body is non-round, seriously affects the service performance of subsequent finished product axial flow blower.To avoid this phenomenon, producer's common practice is at present After the completion of axial flow blower integral solder, then vertical lathe processing cylinder impeller section inner circle is used to want to reach machining accuracy (circularity) It asks.
But added based on using vertical lathe to process cylinder impeller section inner circle after the completion of axial flow blower integral solder again with reaching The shortcomings that work precision (circularity) requirement, this method, is reached by way of post-processing and be wanted for deforming biggish cylinder The precision (circularity) asked is still extremely difficult, and one side tube structure itself has the characteristics that certain amount of deflection, it is necessary in cylinder There are enough post-processing surpluses in process;And often the comparison of cylinder wall thickness design is thick, weight is very heavy, and there are enough Post-processing surplus just unusual cost of idleness.Meanwhile special vertical lathe being needed to process, processing technology is relative complex, adds Work is with high costs.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The purpose of the present invention is to provide a kind of roundness control device and methods of axial flow blower cylinder, can effectively control Ensure that axial flow blower cylinder forms circularity, should be easy to operate economical and practical again, solve current axial flow blower cylinder especially Tunnel large axial flow fan cylinder forms the uncontrollable technological difficulties of circularity, to promote productivity, saves processing cost.
Technical scheme is as follows:
A kind of roundness control device of axial flow blower cylinder, in the cylinder after cylinder material edge rolling is set, wherein including number A fagging is distributed setting along the cylinder inboard wall of predetermined circularity, is used to support and supports the real cylinder to carry out welding process;Institute Fagging is stated to be set as with the predetermined arc for adapting to the cylinder roundness.
The roundness control device of the axial flow blower cylinder, wherein the fagging is fixed on a support frame, the branch Support includes the several columns of correspondence of axial radiation setting, and gusset of the setting for reinforcement between column;Corresponding column It is affixed in center location between the affixed and described column between the gusset.
The roundness control device of the axial flow blower cylinder, wherein the column is all secured to an axis in center location It puts on.
The roundness control device of the axial flow blower cylinder, wherein the fagging is fixed on a support frame, the branch Support includes the several columns of correspondence of axial radiation setting, and the frame body for assembling the column, and the frame body is using gold True body, and the rigging position of the corresponding column is provided with mounting hole, for affixed with the column.
The roundness control device of the axial flow blower cylinder, wherein the fagging is set with the adjustable connection of the pillar It sets: is provided on rear side of the fagging with externally threaded connecting rod, and be correspondingly connected with end in the pillar and be provided with rod set, Rotatable nut is provided in the rod set, the nut is used for the external screw thread being adapted in the connecting rod.
The roundness control device of the axial flow blower cylinder, wherein the roundness control device setting use is multiple, and At least respectively it is arranged one at the both ends of the cylinder.
The roundness control device of the axial flow blower cylinder, wherein the multiple roundness control device also passes through an axis Bar keeps coaxial direction.
A kind of axial flow blower cylinder roundness control method for realizing described device comprising following steps:
A, after the completion of axial flow blower cylinder edge rolling, roundness control device is placed in cylinder;
B, the roundness control device is supportted cylinder using fagging real, is reinforced in the whole welding of progress and circularity, with effective guarantee The molding circularity of cylinder.
The axial flow blower cylinder roundness control method, wherein in the step B, the roundness control device passes through The radius adjustment for adjusting fagging present position supports the cylinder in fact.
The axial flow blower cylinder roundness control method, wherein the roundness control device is set as multiple, and is leaning on One, every end at nearly cylinder both ends.
A kind of roundness control device and method of axial flow blower cylinder provided by the present invention supports real cylinder due to using Multiple faggings, can effectively control ensure axial flow blower cylinder molding circularity, it is not only easy to operate but also economical and practical, solve Axial flow blower cylinder especially tunnel large axial flow fan cylinder forms the uncontrollable technological difficulties of circularity at present, mentions significantly Productivity has been risen, processing cost has been saved.
Detailed description of the invention
Fig. 1 is the side view of the roundness control device and method preferred embodiment of axial flow blower cylinder of the present invention.
Fig. 2 is another angle side of the roundness control device and method preferred embodiment of axial flow blower cylinder of the present invention View.
Fig. 3 is that the roundness control device and method fagging Telescopic adjusting structure of axial flow blower cylinder of the present invention is illustrated Figure.
Fig. 4 is that the roundness control device and method middle supporting plate Telescopic adjusting structure of axial flow blower cylinder of the present invention is schemed The portion A enlarged diagram in 3.
Fig. 5 is the roundness control device and method fagging assembling schematic diagram of axial flow blower cylinder of the present invention.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below.
In the roundness control device and method preferred embodiment of axial flow blower cylinder disclosed in this invention, such as Fig. 1 and Fig. 2 It is shown, mainly for the processing and manufacturing auxiliary device and its manufacturing method of axial flow blower cylinder, it is mainly disposed to cylinder material In cylinder 100 after material volume circle, for supporting and supportting real entire cylinder, require to be processed to reduce technique.The circularity Control device 200 includes several faggings 1, and setting is distributed along 100 inner wall of cylinder of predetermined circularity, is used to support and supports described in reality Cylinder is to carry out welding process.The shape of the fagging 1 uses crescent plate, and leading edge forms curved edge, to be bonded cylinder The inner wall of body, a circle is collectively formed in multiple 1 outer rims of fagging, to realize roundness control.
Setting of the fagging 1 itself has certain radian, it is preferable that has and adapts to cylinder roundness requirement to be processed Radian.Since fagging 1 itself has radian, can be required according to different circularity, primarily directed to various sizes of axis stream Blower cylinder selects the quantity of used fagging 1.The fagging of same specification is selected to form a roundness control device, it can also It is different using the number of fagging to be arranged, to cope with various sizes of axial flow blower cylinder.Anyway, to presetting arc For the fagging of degree, generally has an optimal quantity and the radius apart from the center of circle is the axis that these faggings adapt to processing Flow fan cylinder can control adjustment on this optimal number and radius so as to the adaptation pair in acceptable mismachining tolerance The processing of different size axial flow blower cylinders.
In the roundness control device and method preferred embodiment of axial flow blower cylinder of the present invention as shown in Figure 1, institute Stating fagging is the air duct for adapting to 2 rice diameters, and setting uses 6-8 fagging 1, is arranged along cylinder inboard wall circle distribution.Due to The process for machining and manufacturing of fagging 1 limits, fagging 1 it is size-constrained, therefore the arc of fagging itself can be adjusted according to actual needs Size is spent, and adapts to the barrel diameter size where fagging, the quantity of final choice fagging, such as minimum two (adapt to big arc Degree, minor diameter), or the greater number of fagging 1 when adapting to the axial flow blower cylinder of larger diameter size, such as 16, this When fagging radian can be smaller, the radian size of fagging is arranged according to the diameter of cylinder and the quantity of fagging.
Fagging 1 of the present invention can be fixed on a support frame, as shown in Figure 1, support frame as described above includes axial radiation The several columns 2 of the correspondence of setting, and it is additionally provided between column 2 gusset 6 for reinforcing intensity between column, it is corresponding Carried out between the adjacent column 2 and the gusset 6 it is affixed, each column center location carry out it is affixed, thus shape At firm support frame, the fagging can be supported close to the cylinder inboard wall.It is also affixed in the axle center connecting pin of the column It is provided with an axle sleeve 7, as shown in Figure 1, welding and assembly to facilitate column 2, in addition, axle sleeve 7 also facilitates to entire circularity control The lifting of device processed manipulates, at the same time it can also which a shaft is arranged, for passing through when needing multiple roundness control devices in cylinder The axle sleeve of the shaft and each roundness control device cooperates, it is ensured that the arrangement consistency of entire roundness control device.It is described vertical Column 2 and the gusset 6 can be arranged using hollow circular-tube.
Support frame as described above can also substitute the gusset and bracket axle center connecting pin using metal solid, and the metal is real Body upper periphery can preset corresponding mounting hole, to facilitate the welding of the column or the assembly that is spirally connected, thus affixed institute State column.The fagging 1 is detachably connected with the column 2, different to adapt to so as to replace the fagging of different model Cylinder processing.
In the roundness control device preferred embodiment of axial flow blower cylinder of the present invention, the fagging 1 and the pillar 2 It is arranged in a manner of adjustable connection, as shown in Fig. 3, Fig. 4 and Fig. 5, is provided in the rear side of the fagging 1 with externally threaded Connecting rod 4, and be correspondingly connected with end in the pillar and be provided with rod set 3, and be provided with rotatable nut 5 in rod set 3, thus The external screw thread that can be adapted in the connecting rod 4 realizes the control that 3 depth of rod set is inserted into connecting rod 4, so as to adjust State height of the fagging 1 on column.It is adjusted by the height to the fagging 1 on each column, so that it may realize in cylinder Interior roundness control.In more complicated embodiment, the height of the fagging 1 can be with adjust automatically.In addition, to the support The adjustment of 1 height of plate can by column any position realize, can be with such as when support frame is realized using metal solid Setting is threadedly coupled pillar in the mounting hole of the metal solid, so as to realize the height of strut height i.e. fagging 1 Degree adjustment.The diameter of the roundness control device is adjustable, is suitable for a certain range of different-diameter air duct and uses.
Fagging 1 of the present invention can weld or be integrally machined with connecting rod 4 to be formed.It can be, but not limited to, it is described The outer of fagging 1 is that the thick steel plate of circular shape makes, by adjusting the adjustable roundness control device of the present invention of bolt Diameter, can use fagging 1 when welding cylinder and support real cylinder inboard wall.Since large axial flow fan barrel diameter is big, cylinder Body wall is thin, is easily deformed after edge rolling molding, in addition welding can be also deformed itself, air duct cylinder can be made in fact by being supportted using fagging Circularity is kept after body edge rolling, while can control the problem on deformation in welding process.
In the process of axial flow blower cylinder, the roundness control device is mainly used within cylinder, therefore, is needed At least to be arranged one, perpendicular to axial setting.It is preferred that two or more roundness control devices are arranged, at least Respectively be arranged one at the both ends of the cylinder, can preferably support entire cylinder in this way, so as to carried out on cylinder welding and Circularity strengthens processing.And when multiple roundness control devices are arranged, it can will pass through an axis between each roundness control device Bar passes through each axle sleeve, to guarantee the coaxial direction between each roundness control device.
The present invention also provides a kind of axial flow blower cylinder roundness control methods, will after the completion of axial flow blower cylinder reel Roundness control device of the invention is placed in cylinder, is arranged when placement perpendicular to axial, to better play support tube Body effect.Cylinder supportted according to predetermined circularity using the fagging of the roundness control device it is real, then carry out whole welding and Circularity is reinforced, to effectively guarantee that cylinder forms circularity.
Specifically in implementation, roundness control method of the present invention can also be big by the radial location to fagging Small adjustment realizes that the support to different size cylinders needs in fact.Roundness control device of the present invention can be set using multiple, Every end at cylinder both ends is arranged one, to play a supporting role from both ends, the deformation of effective wall surface cylinder is kept The circularity of cylinder.
Roundness control device of the present invention can use existing pole stock and be processed, and forms supporting role, can also Molding sample is formed with setting, substitutes support frame for example, by using metal solid.The width of the fagging can also be using difference Width, to form the higher support construction of intensity.The operation of the present invention roundness control device is realized relatively simple and is passed through Ji material benefit, greatly improves productivity, has saved processing cost, and facilitates and the circularity of cylinder is kept and processed, and reduces Difficulty of processing.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (10)

1. a kind of roundness control device of axial flow blower cylinder, in the cylinder after cylinder material edge rolling is arranged in, feature exists In setting is distributed along the cylinder inboard wall of predetermined circularity including several faggings, is used to support and supports the real cylinder to be welded Termination process;The fagging is set as with the predetermined arc for adapting to the cylinder roundness.
2. the roundness control device of axial flow blower cylinder according to claim 1, which is characterized in that the fagging is fixed on On one support frame, support frame as described above includes the several columns of correspondence of axial radiation setting, and setting is used to add between column Strong gusset;It is affixed in center location between the affixed and described column between corresponding column and the gusset.
3. the roundness control device of axial flow blower cylinder according to claim 2, which is characterized in that the column is in the center of circle Position is all secured on an axle sleeve.
4. the roundness control device of axial flow blower cylinder according to claim 2, which is characterized in that the fagging is fixed on On one support frame, support frame as described above includes the several columns of correspondence of axial radiation setting, and the frame for assembling the column Body, the frame body uses metal solid, and the rigging position of the corresponding column is provided with mounting hole, for solid with the column It connects.
5. the roundness control device of axial flow blower cylinder according to claim 2 or 4, which is characterized in that the fagging with The adjustable connection setting of the pillar: it is provided on rear side of the fagging with externally threaded connecting rod, and in the pillar pair It answers connecting pin to be provided with rod set, rotatable nut is provided in the rod set, the nut is for being adapted to the connecting rod On external screw thread.
6. the roundness control device of axial flow blower cylinder according to claim 5, which is characterized in that the roundness control dress It is multiple to install use, and is at least respectively arranged one at the both ends of the cylinder.
7. the roundness control device of axial flow blower cylinder according to claim 6, which is characterized in that the multiple circularity control Device processed also passes through a shaft and keeps coaxial direction.
8. a kind of axial flow blower cylinder roundness control method for realizing device as described in claim 1 comprising following steps:
After the completion of axial flow blower cylinder edge rolling, roundness control device is placed in cylinder;
The roundness control device is supportted cylinder in fact using fagging, is reinforced in the whole welding of progress and circularity, with effective guarantee cylinder The molding circularity of body.
9. axial flow blower cylinder roundness control method according to claim 8, which is characterized in that described in the step B Roundness control device is supportted the cylinder in fact by adjusting the radius adjustment of fagging present position.
10. axial flow blower cylinder roundness control method according to claim 9, which is characterized in that the roundness control dress Install be set to it is multiple, and at one, every end at the cylinder both ends.
CN201811595227.XA 2018-12-25 2018-12-25 A kind of roundness control device and method of axial flow blower cylinder Pending CN109454394A (en)

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CN110064887A (en) * 2019-05-10 2019-07-30 铜陵有色建安钢构有限责任公司 A kind of steel structural tank body high-altitude splicing equipment
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CN110757054A (en) * 2019-09-20 2020-02-07 中国航发航空科技股份有限公司 Welding device for casing diffuser shell assembly
CN114211189A (en) * 2021-12-30 2022-03-22 武汉武船重型装备工程有限责任公司 Method for machining high-precision inner molded surface

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CN110106336A (en) * 2019-04-19 2019-08-09 贵州航天风华精密设备有限公司 A kind of heat treatment method of hollow tube-shape casting
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CN110757054A (en) * 2019-09-20 2020-02-07 中国航发航空科技股份有限公司 Welding device for casing diffuser shell assembly
CN114211189A (en) * 2021-12-30 2022-03-22 武汉武船重型装备工程有限责任公司 Method for machining high-precision inner molded surface

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