CN205949508U - Tensile expanding machine of tubular metal resonator - Google Patents
Tensile expanding machine of tubular metal resonator Download PDFInfo
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- CN205949508U CN205949508U CN201620906782.XU CN201620906782U CN205949508U CN 205949508 U CN205949508 U CN 205949508U CN 201620906782 U CN201620906782 U CN 201620906782U CN 205949508 U CN205949508 U CN 205949508U
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- pipe
- core bar
- actuating device
- expanding machine
- external mold
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Abstract
The utility model provides a tensile expanding machine of tubular metal resonator, its characterized in that: including the sizing external mold, sizing external mold rear side is equipped with feed mechanism, centre form, is used for the positioning mechanism of bearing and location pipe, is used for promoting ejector sleeve mechanism and the core bar mechanism that the pipe moved, sizing external mold front side is equipped with draws mechanism and unloading mechanism, core bar mechanism includes core bar and core bar transmission, the centre form sets up at the core bar front end dismantled and assembledly, interior mold shaft line, core bar axis and the coaxial setting of sizing external mold hole axis, draw the mechanism including drawing the clamping part and drawing transmission. This tensile expanding machine of tubular metal resonator can realize automated production, can accomplish simultaneously and expand the internal diameter and decide two kinds of technological effects of external diameter, improves production efficiency, improves tubular metal resonator external diameter precision.
Description
Technical field
This utility model is related to metal tube and stretches expanding technical field, more particularly, it relates to a kind of stretching of metal tube is expanded
Footpath machine.
Background technology
Seamless precision tube longer to Large Diameter Pipeline, length in the market is in great demand, especially by rustless steel, copper etc.
The Large Diameter Pipeline seamless precision tube that material is made.The traditional diamond-making technique of Large Diameter Pipeline seamless precision tube is by extruding, perforation
Or hot rolling obtains pipe, then pipe is carried out with tube reducing again, subtracts wall processing and be finally reached finished size, but this processing method
Equipment investment volume is very big, is unfavorable for reduces cost.With technological progress, occur in that stretching diameter enlarging method is processed to pipe
To be finally reached finished size.A kind of expanding method being to be produced major diameter product with minor diameter pipe of stretching, can be by spirit
Live and change drawing process, and obtain the production tube of various big specifications.And existing some stretch expanding machines, pipe can only be ensured
Hole size, and the accuracy error of external diameter is larger, therefore typically requires increase sizing finishing procedure.Such as Chinese patent《Hydraulic pressure
The expander of drawbench》(publication number:CN1919488A), its major function is exactly that multigroup roller is fixedly clamped pipe, adopts
Draw trolley traction core bar expanding internal model of ining succession is passed through from pipe pore, but this processing method is in freedom due to pipe external diameter
State, only realizes expanding, can not meet the requirement of production tube outer-diameter accuracy, needs to increase finishing equipment in following process
External diameter is made to meet finished size.The method equipment investment high cost, operation is complicated to be unfavorable for improve production efficiency.
Therefore, how to design a kind of equipment can either complete expand internal diameter technique can ensure that outer-diameter accuracy requirement again, with
Realize reducing the technical purpose of production cost and improve production efficiency, have become as urgently to be resolved hurrily one in metal tube processing industry
Big technical barrier.
Utility model content
For overcoming shortcoming of the prior art and deficiency, the purpose of this utility model is to provide a kind of achievable automatization
Produce, can complete to expand internal diameter simultaneously and determine two kinds of technique effects of external diameter, improve production efficiency, the gold of raising metal tube outer-diameter accuracy
Belong to pipe stretching expanding machine.
In order to achieve the above object, this utility model is achieved by following technical proposals:A kind of metal tube stretching is expanded
Footpath machine it is characterised in that:Including sizing external mold;It is provided with feed mechanism, internal model on rear side of described sizing external mold, be used for support and positioning
The detent mechanism of pipe, for promoting the ejector sleeve mechanism of pipe movement and being used for being suspended vacantly the core bar mechanism of internal model;Outside sizing
It is provided with for clamping pipe and pull the drawing mechanism of pipe movement on front side of mould, and cutting agency;
Described core bar mechanism includes core bar and core bar actuating device;Core bar is connected with core bar actuating device, to realize core bar
Along pipe axial movement, so that core bar penetrates the pipe pore being positioned on detent mechanism;Described internal model is removably arranged
In core bar front end;Described internal model axis, core bar axis and the setting of sizing external mold endoporus axis coaxle;
Described drawing mechanism includes drawing clamping part and drawing actuating device for clamping pipe;Drawing clamping part with draw
Pull out actuating device to connect, moved axially along pipe with realizing drawing clamping part.
This utility model metal tube stretch expanding machine operation principle be:First, pipe is transplanted on positioning by feed mechanism
In mechanism, detent mechanism support simultaneously positions pipe, prevents from penetrating pipe during core bar and moves;Core bar actuating device makes core bar enter into
Pipe endoporus, until pipe is stretched out in core bar front end;In core bar front end, internal model is installed;Then, ejector sleeve mechanism promotes from pipe rear end
Pipe advances, and makes pipe front end reach certain length by internal model;Pipe moves forward together with core bar, makes internal model reach sizing
External mold endoporus and pipe front end pass through sizing external mold, to complete the expansion internal diameter of pipe front end and to determine external diameter operation;Promoting pipe
During, pipe is persistently positioned mechanism's radial positioning fixation and avoids pipe unstability to bend;Afterwards, drawing clamping part clamping pipe
Front end, drawing actuating device makes drawing clamping part mobile thus pulling pipe to move forward, and makes pipe remainder through internal model
Integrally expand internal diameter and determine external diameter to complete pipe with sizing external mold.
This utility model metal tube stretching expanding machine has the following advantages:(1) set up sizing external mold to limit metal tube external diameter
Shape and size, improve metal tube outer-diameter accuracy;(2) make pipe entirely through interior by the way of drawing after first promoting
Mould and sizing external mold, complete to expand internal diameter during single treatment simultaneously and determine two kinds of effects of external diameter, realize automated production, no
Need staff to adjust, be conducive to improve production efficiency;(3) it is provided with detent mechanism positioning and fixing pipe, meet different size pipe
The sizing processing of base, it is to avoid pipe bends and affects processing quality during promoting pipe.
Preferably, described detent mechanism includes clamping position portion and lower clamping position portion at least one pair of;Described lower clamping
Location division is connected with lower positioning gear, to realize the lifting of lower clamping position portion thus the lower clamping position portion of adjustment highly makes pipe
Base axis and sizing external mold endoporus axis coaxle;Described upper clamping position portion is connected with positioning gear, presss from both sides with realizing
Hold location division lifting thus realizing pipe clamping or unclamping.The lifting in lower clamping position portion can adjust pipe height, makes pipe axle
Line and sizing external mold endoporus axis coaxle, make metal tube stretch the pipe that expanding machine is applied to various outer diameter, are conducive to subsequently managing
The expanding process of base.Upper clamping position portion realizes pipe clamping, and pipe buckle in compression during promoting pipe can be avoided to produce
Bending.
Preferably, the upper surface in described upper clamping position portion carries V-groove one or arcuate groove one;Described lower clamping position portion
Lower surface carry V-groove two or arcuate groove two.
Preferably, described drawing clamping part includes the pincers block that drawing pedestal, chock and at least two lay along chock circumference;
Described chock is connected with drawing pedestal by chock actuating device, moves to pipe pore or removal pipe pore to realize chock;
Each pincers block respectively pass through clamp block actuating device be connected with drawing pedestal, with realize each clamp block simultaneously to contract to clamp pipe
Blank outer surface or each pincers block outwardly open to unclamp pipe simultaneously;Described drawing pedestal is connected with drawing actuating device.
Chock can prevent from pressing from both sides flat tube base when clamping block clamping outer surface of tube blank;Chock and pincers block form inside and outside method of clamping and fix pipe, can
Improve the soundness of clamping.
Preferably, described ejector sleeve mechanism includes ejector sleeve portion and ejector sleeve actuating device;Ejector sleeve actuating device adopts two oil cylinders
Side by side configuration;Two oil cylinders are connected with ejector sleeve portion respectively.
Preferably, metal tube stretching expanding machine also includes being arranged on some support mechanisms on front side of sizing external mold;Each holds
Support mechanism is located at the lower section of drawing clamping part mobile route respectively;Each support mechanism is connected to support actuating device, with
Make support mechanism lift or rotate to realize highly controlling.Support mechanism height is adjustable, can be in drawing clamping part moved through support machine
When above structure, support mechanism height moves to low level not hinder drawing clamping part to pass through, in drawing clamping part through support mechanism later
Highly raise with support pipe, it is to avoid pipe bends.
Preferably, it is provided with lubricating fluid path in described core bar;Lubricating fluid path is connected with external lubrication liquid container.In pipe
Occur core bar during relative movement can flow out lubricating fluid lubrication pipe pore surface with internal model, so that pipe pore surface is had good
Processing quality.
Preferably, described feed mechanism is located at the side of detent mechanism;Described feed mechanism includes upper with inclined-plane one
Bin;Stock shelf is provided near the side of detent mechanism and dials block;Dial block and be connected with group gear actuating device, to realize dialling block
Lifting or rotation.
Compared with prior art, this utility model has the advantage that and beneficial effect:
1st, this utility model metal tube stretching expanding machine can achieve automated production, completes to expand internal diameter simultaneously and determines external diameter two
Plant technique effect, be conducive to improve production efficiency;It is provided with sizing external mold to limit the shape and size of metal tube external diameter, improve gold
Belong to the outer-diameter accuracy of pipe;
2nd, this utility model metal tube stretching expanding machine is provided with detent mechanism positioning pipe, it is to avoid the pipe when penetrating core bar
Move and pipe bends and affects processing quality during promoting pipe;It is provided with support mechanism support pipe in drawing process
Base, it is to avoid pipe bends;
3rd, this utility model metal tube stretching expanding machine drawing clamping part both can improve clamping soundness, can avoid pressing from both sides again
Flat tube base.
Brief description
Fig. 1 is the structural representation that this utility model metal tube stretches expanding machine;
Fig. 2 is the profile of A-A in Fig. 1;
Fig. 3 is the profile of B-B in Fig. 1;
Fig. 4 is the structural representation that this utility model metal tube stretches detent mechanism and ejector sleeve mechanism in expanding machine;
Wherein, 1 be feed mechanism, 11 be stock shelf, 12 be dial block, 2 be detent mechanism, 21 be lower clamping position portion,
22 be upper clamping position portion, 23 be V-groove two, 3 be ejector sleeve mechanism, 31 be ejector sleeve portion, 32 be ejector sleeve actuating device, 4 be core bar
Mechanism, 41 be internal model, 42 be core bar, 43 be mandrel trolley drive system, 44 be mandrel trolley, 5 be sizing external mold, 6 be drawing
Mechanism, 61 be drawing pedestal, 62 be chock, 63 be pincers block, 64 be drawing actuating device, 65 be guide roller, 66 be drawing rail
Road, 7 be cutting agency, 71 be telescopic splicing arm, 72 be blanking rack, 73 be material frame, 81 be support actuating device, 82 be support
Mechanism, 9 be pipe.
Specific embodiment
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment one
The present embodiment metal tube stretches expanding machine, and its structure is as shown in Figure 1 to 4;It is suitable for copper tube billet, steel pipe base, conjunction
The expanding process of stretching of the metal tube pipe such as golden pipe.Metal tube stretching expanding machine includes sizing external mold 5;On rear side of sizing external mold 5
It is provided with feed mechanism 1, internal model 41, the detent mechanism 2 for support and positioning pipe 9, the ejector sleeve machine for promoting pipe 9 movement
Structure 3 and the core bar mechanism 4 for being suspended vacantly internal model 41;It is provided with front side of sizing external mold 5 for clamping pipe 9 and pulling pipe 9
The drawing mechanism 6 of movement, and cutting agency 7.
Feed mechanism 1 is located at the side of detent mechanism 2;Feed mechanism 1 includes the stock shelf 11 with inclined-plane one;Stock shelf
11 are provided with group block 12 near the side of detent mechanism 2;Dial block 12 and be connected with group gear actuating device, to realize dialling 12 liters of block
Fall or rotation.After dialling block 12 decline, pipe is rolled on detent mechanism 2, dials and stops that pipe below continues when block 12 raises
Continuous roll, realize pipe one by one on expect on detent mechanism 2.
Detent mechanism 2 include some to upper clamping position portion 22 with lower clamping position portion 21;In practical application, upper clamping is fixed
Position portion 22 and lower clamping position portion 21 be at least two to more than.Lower clamping position portion 21 is connected with lower positioning gear, with reality
Now clamping position portion 21 lifts thus adjusting lower clamping position portion 21 height to make pipe 9 axis and axially bored line in sizing external mold 5
And core bar 42 axis coaxle;Upper clamping position portion 22 is connected with positioning gear, is lifted with realizing upper clamping position portion 22
Thus realize pipe 9 and clamping or unclamp.The lifting in lower clamping position portion 21 can adjust pipe 9 height, makes pipe 9 axis and sizing
Axially bored line and core bar 42 axis coaxle in external mold 5, make metal tube stretch the pipe 9 that expanding machine is applied to various outer diameter, are conducive to
The expanding process of many specifications pipe 9.Upper clamping position portion 22 realizes pipe 9 and clamps, and can avoid pipe 9 during promoting pipe 9
Buckle in compression and produce bending.
The upper surface in upper clamping position portion 22 preferably carries V-groove one or arcuate groove one;The lower end in lower clamping position portion 21
Face preferably carries V-groove 2 23 or arcuate groove two.
Core bar mechanism 4 includes core bar 42 and core bar actuating device;Core bar 42 is connected with core bar actuating device, to realize core bar
42 move axially along pipe 9, so that core bar 42 penetrates pipe 9 pore being positioned on detent mechanism 2;Internal model 41 is removably
It is arranged on core bar 42 front end;Internal model 41 axis, core bar 42 axis and the setting of sizing external mold 5 endoporus axis coaxle.In the present embodiment,
Core bar actuating device is made up of mandrel trolley drive system 43 and mandrel trolley 44;In practical application, core bar actuating device also may be used
Using other existing actuating devices.
Ejector sleeve mechanism 3 includes ejector sleeve portion 31 and ejector sleeve actuating device 32;Ejector sleeve actuating device 32 preferably employs two oil cylinders
Side by side configuration;Two oil cylinders are connected with ejector sleeve portion 31 respectively.
Drawing mechanism 6 includes drawing clamping part and drawing actuating device 64 for clamping pipe 9;Drawing clamping part with draw
Pull out actuating device 64 to connect, moved axially along pipe 9 with realizing drawing clamping part.Specifically, drawing clamping part includes drawing
Pedestal 61, chock 62 and at least two pincers blocks 63 laid along chock 62 circumference;Chock 62 passes through chock actuating device and drawing
Pedestal 61 connects, and moves to pipe 9 pore or removal pipe 9 pore to realize chock 62;Each pincers block 63 passes through to clamp block biography respectively
Dynamic device is connected with drawing pedestal 61, with realize each pincers block 63 simultaneously to contract to clamp pipe 9 outer surface or each
Individual pincers block 63 outwardly opens to unclamp pipe 9 simultaneously;Drawing pedestal 61 is connected with drawing actuating device 64.Chock 62 can prevent from clamping
Flat tube base 9 is pressed from both sides during block 63 clamping pipe 9 outer surface;Chock 62 and pincers block 63 form inside and outside method of clamping and fix pipe 9, can improve
The soundness of clamping.
Metal tube stretches expanding machine and also includes being arranged on some support mechanisms 82 of sizing external mold 5 front side;Each support machine
Structure 82 is located at the lower section of drawing clamping part mobile route respectively;Each support mechanism 82 is connected to support actuating device 81,
So that support mechanism 82 lifts or rotates to realize highly controlling.Support mechanism 82 height adjustable, can drawing clamping part moved through
During support mechanism 82 top, support mechanism 82 height moves to low level not hinder drawing clamping part to pass through, and passes through in drawing clamping part
Support mechanism 82 height raises with support pipe 9 afterwards, it is to avoid pipe 9 bends.
Cutting agency 7 includes telescopic splicing arm 71, the blanking rack 72 with inclined-plane two and material frame 73.
The present embodiment metal tube stretch expanding machine operation principle be:First, pipe 9 is transplanted on positioning by feed mechanism 1
In mechanism 2, detent mechanism 2 support simultaneously positions pipe 9;Core bar actuating device makes core bar 42 enter into pipe 9 endoporus, until core bar
Pipe 9 is stretched out in 42 front ends;In core bar 42 front end, internal model 41 is installed;Then, ejector sleeve mechanism 3 promotes before pipe 9 from pipe 9 rear end
Enter, make pipe 9 front end reach the head length processed of setting by internal model 41;Ejector sleeve mechanism urges pipe, core bar actuating device promotes
Core bar moves forward, until internal model 41 reaches sizing external mold 5 endoporus, and pipe 9 front end is stretched out from sizing external mold 5, to complete to manage
The expansion internal diameter of base 9 front end and determine external diameter operation;During promoting pipe 9, pipe 9 is persistently positioned mechanism 2 positioning fixation and keeps away
Exempt from pipe 9 to bend;Afterwards, drawing clamping part clamping pipe 9 front end, drawing actuating device 64 makes drawing clamping part mobile thus drawing
Dynamic pipe 9 moves forward, and makes pipe 9 remainder through internal model 41 and sizing external mold 5 to complete the overall expansion internal diameter of pipe 9 and to determine
External diameter;Finally, drawing clamping part unclamps pipe front end, and pipe falls telescopic splicing arm 71 from support mechanism, along inclined-plane two
Roll down in material frame 73.
The present embodiment metal tube stretching expanding machine has the following advantages:(1) set up sizing external mold 5 to limit metal tube external diameter
Shape and size, improve metal tube outer-diameter accuracy;(2) make pipe 9 entirely through interior by the way of drawing after first promoting
Mould 41 and sizing external mold 5, complete to expand internal diameter during single treatment simultaneously and determine two kinds of effects of external diameter, realize automatic metaplasia
Produce it is not necessary to staff adjustment, be conducive to improve production efficiency;(3) it is provided with detent mechanism 2 to position and fix pipe 9, it is to avoid
During promoting pipe 9, pipe 9 bends and affects processing quality.
Embodiment two
The present embodiment metal tube stretching expanding machine is with the difference of embodiment one:In the present embodiment, in core bar, it is provided with profit
Synovial fluid path;Lubricating fluid path is connected with external lubrication liquid container.When pipe occurs relative movement with internal model, core bar can flow out
Lubricating fluid lubricates pipe pore surface, makes pipe pore surface have good processing quality.Remaining structure of the present embodiment with
Embodiment one is identical.
Above-described embodiment be this utility model preferably embodiment, but embodiment of the present utility model be not subject to above-mentioned
The restriction of embodiment, other any without departing from the change made under spirit of the present utility model and principle, modify, replace
Generation, combination, simplification, all should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (8)
1. a kind of metal tube stretching expanding machine it is characterised in that:Including sizing external mold;It is provided with feeder on rear side of described sizing external mold
Structure, internal model, the detent mechanism for support and positioning pipe, for promoting the ejector sleeve mechanism of pipe movement and be used for being suspended vacantly
The core bar mechanism of internal model;It is provided with for clamping pipe and pull the drawing mechanism of pipe movement on front side of sizing external mold, and blanking
Mechanism;
Described core bar mechanism includes core bar and core bar actuating device;Core bar is connected with core bar actuating device, to realize core bar along pipe
Base moves axially, so that core bar penetrates the pipe pore being positioned on detent mechanism;Described internal model is removably disposed at core
Bar front end;Described internal model axis, core bar axis and the setting of sizing external mold endoporus axis coaxle;
Described drawing mechanism includes drawing clamping part and drawing actuating device for clamping pipe;Drawing clamping part is passed with drawing
Dynamic device connects, and is moved axially along pipe with realizing drawing clamping part.
2. metal tube according to claim 1 stretching expanding machine it is characterised in that:Described detent mechanism includes at least one pair of
Upper clamping position portion and lower clamping position portion;Described lower clamping position portion is connected with lower positioning gear, to realize down clamping
Location division lifting is thus the lower clamping position portion of adjustment highly makes pipe axis and sizing external mold endoporus axis coaxle;Described upper clamping
Location division is connected with positioning gear, to realize the lifting of upper clamping position portion thus realizing pipe clamping or unclamping.
3. metal tube according to claim 2 stretching expanding machine it is characterised in that:The upper surface in described upper clamping position portion
With V-groove one or arcuate groove one;The lower surface in described lower clamping position portion carries V-groove two or arcuate groove two.
4. metal tube according to claim 1 stretching expanding machine it is characterised in that:Described drawing clamping part includes drawing seat
The pincers block that body, chock and at least two lay along chock circumference;Described chock is connected with drawing pedestal by chock actuating device,
Move to pipe pore or removal pipe pore to realize chock;Each pincers block passes through to clamp block actuating device with drawing pedestal even respectively
Connect, outwardly opened to unclamp with clamping outer surface of tube blank or each pincers block to contract with realizing each pincers block simultaneously simultaneously
Pipe;Described drawing pedestal is connected with drawing actuating device.
5. metal tube according to claim 1 stretching expanding machine it is characterised in that:Described ejector sleeve mechanism include ejector sleeve portion and
Ejector sleeve actuating device;Ejector sleeve actuating device adopts two oil cylinder side by side configuration;Two oil cylinders are connected with ejector sleeve portion respectively.
6. metal tube according to claim 1 stretching expanding machine it is characterised in that:Also include being arranged on front side of sizing external mold
Some support mechanisms;Each support mechanism is located at the lower section of drawing clamping part mobile route respectively;Each support mechanism is respectively
It is connected with support actuating device, so that support mechanism lifts or rotate to realize highly controlling.
7. metal tube according to any one of claim 1 to 6 stretching expanding machine it is characterised in that:Set in described core bar
There is lubricating fluid path;Lubricating fluid path is connected with external lubrication liquid container.
8. metal tube according to any one of claim 1 to 6 stretching expanding machine it is characterised in that:Described feed mechanism
Side positioned at detent mechanism;Described feed mechanism includes the stock shelf with inclined-plane one;Stock shelf is near the one of detent mechanism
Side is provided with dials block;Dial block and be connected with group gear actuating device, to realize dialling block lifting or to rotate.
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CN201620906782.XU CN205949508U (en) | 2016-08-18 | 2016-08-18 | Tensile expanding machine of tubular metal resonator |
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CN201620906782.XU CN205949508U (en) | 2016-08-18 | 2016-08-18 | Tensile expanding machine of tubular metal resonator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106734284A (en) * | 2016-08-18 | 2017-05-31 | 广东科莱博科技有限公司 | A kind of metal tube stretching expanding machine and stretching diameter enlarging method |
CN106881364A (en) * | 2017-04-11 | 2017-06-23 | 江西理工大学 | A kind of thin-wall copper pipe tube drawing with floating plug machine automatical feeding system |
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2016
- 2016-08-18 CN CN201620906782.XU patent/CN205949508U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106734284A (en) * | 2016-08-18 | 2017-05-31 | 广东科莱博科技有限公司 | A kind of metal tube stretching expanding machine and stretching diameter enlarging method |
CN106734284B (en) * | 2016-08-18 | 2019-06-21 | 广东科莱博科技有限公司 | A kind of metal tube stretches expanding machine and stretches diameter enlarging method |
CN106881364A (en) * | 2017-04-11 | 2017-06-23 | 江西理工大学 | A kind of thin-wall copper pipe tube drawing with floating plug machine automatical feeding system |
CN106881364B (en) * | 2017-04-11 | 2019-10-25 | 江西理工大学 | A kind of thin-wall copper pipe tube drawing with floating plug machine automatical feeding system |
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