CN108453186A - A kind of pipe-expanding device for light pole welding - Google Patents

A kind of pipe-expanding device for light pole welding Download PDF

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Publication number
CN108453186A
CN108453186A CN201810289301.9A CN201810289301A CN108453186A CN 108453186 A CN108453186 A CN 108453186A CN 201810289301 A CN201810289301 A CN 201810289301A CN 108453186 A CN108453186 A CN 108453186A
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CN
China
Prior art keywords
light pole
centre pilot
pipe
expanding device
section
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Granted
Application number
CN201810289301.9A
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Chinese (zh)
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CN108453186B (en
Inventor
尹子平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Uyi Lighting Electric Co Ltd
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Yangzhou Uyi Lighting Electric Co Ltd
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Priority to CN201810289301.9A priority Critical patent/CN108453186B/en
Publication of CN108453186A publication Critical patent/CN108453186A/en
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Classifications

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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The invention discloses a kind of pipe-expanding devices for light pole welding in tube expander field, including engine base, on engine base Mobile base is connected with through guide rail slide block, the side of Mobile base is sequentially connected with straight line driving mechanism, it is horizontal on the Mobile base to be equipped with centre pilot set, one end of centre pilot set is equipped with tube expansion cone, the axis of tube expansion cone and light pole coincides, tube expansion cone includes spider, spider upper edge has been provided at circumferentially spaced several swing faggings, each fagging that swings covers axis tightening by tightening system to centre pilot, centre pilot puts on the pusher head for being provided with and can covering axial movement along centre pilot, pusher head is sequentially connected with traversing driving device.The present invention can directly swell the open-ended of light pole, reduce the gap between light pole and base flange hole so that welding is more secured, improves welding precision.

Description

A kind of pipe-expanding device for light pole welding
Technical field
The invention belongs to tube expander field, more particularly to a kind of pipe-expanding devices for light pole welding.
Background technology
Light pole is exactly the rod piece for installing street lamp, and the bottom of light pole is connected with base flange, can be the bottom of by by built-in fitting Seat flange fixes on the ground, realizes and street lamp is fixedly mounted.Light pole and base flange are two sseparated components, need to pass through Light pole and base flange are fixed the mode of welding.When welding light pole and base flange, in order to eliminate or reduce road Gap between lamp stand and base flange hole improves welding precision, needs that the opening of street lamp boom end swells by tube expander, So that the welding between light pole and base flange is more solid and reliable.
In the prior art, it includes swollen shell, expanding rod and several swollen pearls to have a kind of tube expander, structure, and expanding rod and swollen pearl are Cone, expanding rod taper are 2 times of swollen pearl taper, and the lateral surface after expanding rod and the cooperation of swollen pearl is cylinder.The tube expander works When, expanding rod pushes ahead a distance, then the diameter on the outside of swollen pearl becomes larger, and when tube expansion, tube expander is filled in pipe, is stayed when beginning swollen There is device distance appropriate, then promote expanding rod, after so that expanding rod, swollen pearl, tube wall is all mutually adjacent to, with spanner or electric tube expander Expanding rod is driven, is rotated clockwise, then swollen pearl rotates backward, and is rolled in tube wall, tube wall metal is forced to prolong Exhibition, caliber increase.The tube expander is disadvantageous in that, needs to be operated manually, and the degree of automation is low, inconvenient to use, When cannot be directly used to welding light pole, tube expansion is carried out to the opening of light pole end.
Invention content
The object of the present invention is to provide a kind of pipe-expanding devices for light pole welding, can be directly by the end of light pole Opening swells, and reduces the gap between light pole and base flange hole so that welding is more secured, improves welding precision.
The object of the present invention is achieved like this:A kind of pipe-expanding device for light pole welding, including engine base, on engine base It is connected with Mobile base through guide rail slide block, side and the straight line driving mechanism of Mobile base are sequentially connected, and level is set on the Mobile base There is a centre pilot set, one end of centre pilot set is equipped with tube expansion cone, and the axis of tube expansion cone and light pole coincides, tube expansion cone Body includes spider, and spider upper edge has been provided at circumferentially spaced several swing faggings, and each swing fagging is by tightening system in Heart guide sleeve axis is tightened, and centre pilot puts on the pusher head for being provided with and can covering axial movement along centre pilot, pusher head and cross Driving mechanism is moved to be sequentially connected.
When the present invention works, light pole is horizontally arranged by positioning tool, straight line driving mechanism pushes Mobile base, mobile Seat is moved adjacent to the position of light pole, and tube expansion cone stretches into the open-ended of light pole, and cross sliding driving device drives pusher head It covers and slides along centre pilot, pusher head, which pushes, swings the outside side oscillation of fagging, swings fagging and opens, tube expansion cone and light pole The open-ended circle diameter that is in contact increases, and struts light pole is open-ended, realizes tube expansion.Compared with prior art, originally Advantageous effect of the invention is:It is open-ended that tube expansion cone automatically extends into light pole, swings fagging and expands automatically, by street lamp rod end Portion's opening struts, and high degree of automation is easy to use;The gap between light pole and base flange hole can be reduced so that weldering It connects more securely, improves welding precision.
As an improvement of the present invention, the tightening system is the adjacent tension spring for swinging fagging of connection.Each tension spring will be adjacent Fagging is swung to tense, each tension spring is distributed in a ring, and each swings fagging is all tightened to centre pilot set axis, swing fagging to When outer expansion, stable tension can be provided to light pole inner wall.
As a further improvement on the present invention, the pusher head includes inner core and outer portion, and outer portion is set in center Guide sleeve periphery, inner core is axially disposed within centre pilot set inside, through being led radially across center between inner core and outer portion It is connected to the interconnecting piece of set side wall, corresponding connection parts offer wall trench on centre pilot set side wall.Pusher head can be along center The part that guide sleeve opens up wall trench moves back and forth, and centre pilot puts on the part for not opening wall trench, and pusher head can not be moved, be provided One restraining position.
As a further improvement on the present invention, the pusher head setting is pushing shaft end, during impeller-hub is axially disposed within In heart guide sleeve, impeller-hub is sequentially connected with traversing driving device.Traversing driving device drives impeller-hub in centre pilot set Move back and forth,
As a further improvement on the present invention, the centre pilot set includes limit section and mobile section, impeller-hub include major diameter section And path section, major diameter section are located in limit section, the internal diameter of mobile section is less than the outer diameter of major diameter section, and path section is moved in mobile section It is dynamic.Impeller-hub major diameter section, which can be covered in centre pilot in limit section, to be moved, and the both ends of the surface of centre pilot set limit section are impeller-hubs Two restraining positions, impeller-hub path section move back and forth in centre pilot set mobile section.
As a further improvement on the present invention, the centre pilot set limit section includes two split settings in support base two The seperated of side covers, and corresponding seperated set is provided with axially extending bore on support base, and needle bearing, impeller-hub major diameter are axially arranged in through-hole Section passes through needle bearing.Impeller-hub is supported on support base, and when impeller-hub moves back and forth, needle bearing can reduce friction.
As a further improvement on the present invention, the traversing driving device includes the silk being linked together with impeller-hub major diameter section Thick stick, leading screw are coaxially disposed with impeller-hub, are arranged with feed screw nut on leading screw, the left and right ends of feed screw nut are equipped with thrust shaft It holds.Thrust bearing limits feed screw nut axial movement, and feed screw nut rotation drives leading screw axial movement, impeller-hub to realize traversing.
As a further improvement on the present invention, driven gear, driven gear and silk have been arranged concentrically on the feed screw nut Thick stick nut is wholely set, and driven gear is meshed with driving gear, and driving gear is arranged the output end in speed reducer, speed reducer with Motor drive connects.The output end of motor drives driving gear rotation, driving gear to drive driven gear after speed reducer slows down Rotation, feed screw nut realize rotation.
In order to save space so that the structure of device is compacter, and the Mobile base is equipped with reducer pedestal, reducer pedestal On be provided with can hold leading screw axially across through-hole, the thrust bearing at the both ends is separately mounted to support base and reducer pedestal On.
As a further improvement on the present invention, the straight line driving mechanism includes the oil cylinder being mounted on engine base, oil cylinder Piston rod external part is hinged with Mobile base.The piston rod of oil cylinder drives Mobile base to be moved along guide rail.
Description of the drawings
Fig. 1 is the vertical view of the present invention.
Fig. 2 is the front view of the present invention.
Fig. 3 is the sectional view of the present invention.
Fig. 4 is the partial enlarged view of Fig. 3.
Fig. 5 is the partial enlarged view of Fig. 3.
The structural schematic diagram of guide sleeve centered on Fig. 6.
Fig. 7 is the structural schematic diagram of impeller-hub and leading screw.
Fig. 8 is the sectional view along AA of Fig. 3.
Fig. 9 is the BB of Fig. 3 to sectional view.
Figure 10 is the structural schematic diagram of pusher head.
Figure 11 is the CC of Fig. 3 to sectional view.
Figure 12 is the DD of Fig. 3 to sectional view.
Wherein, 1 engine base, 2 guide rail slide blocks, 3 Mobile bases, 4 oil cylinders, 5 centre pilot sets, 501 limit sections, 502 mobile sections, 6 Tube expansion cone, 601 spiders, 602 swing faggings, 7 pusher heads, 701 inner cores, 702 outer portions, 703 interconnecting pieces, 8 tension springs, 9 Wall trench, 10 impeller-hubs, 1001 major diameter sections, 1002 path sections, 11 support bases, 12 needle bearings, 13 leading screws, 13a feed screw nuts, 14 Thrust bearing, 15 driven gears, 16 driving gears, 17 speed reducers, 17a reducer pedestals, 18 motors.
Specific implementation mode
As shown in figs. 1-12, it is a kind of pipe-expanding device for light pole welding, including engine base 1, is slided through guide rail on engine base 1 Block 2 is connected with Mobile base 3, and side and the straight line driving mechanism of Mobile base 3 are sequentially connected, and the straight line driving mechanism includes installation Oil cylinder 4 on engine base 1, piston rod external part and the Mobile base 3 of oil cylinder 4 are hinged;It is horizontal on Mobile base 3 to be equipped with centre pilot One end of set 5, centre pilot set 5 is equipped with tube expansion cone 6, and tube expansion cone 6 and the axis of light pole coincide, and tube expansion cone 6 is wrapped Spider 601 is included, 601 upper edge of spider has been provided at circumferentially spaced several swing faggings 602, and each fagging 602 that swings passes through tightening Mechanism covers the tightening of 5 axis to centre pilot, and the tightening system is the adjacent tension spring 8 for swinging fagging 602 of connection;Centre pilot set The pusher head 7 of 5 axial movements can be covered along centre pilot by being provided on 5, and pusher head 7 is sequentially connected with traversing driving device.
Pusher head 7 includes inner core 701 and outer portion 702, and outer portion 702 is set in centre pilot and covers 5 peripheries, inner core 701 are axially disposed within inside centre pilot set 5, through covering 5 sides radially across centre pilot between inner core 701 and outer portion 702 The interconnecting piece of wall is connected, and centre pilot covers the wall trench 9 that corresponding connection parts on 5 side walls offer several annular space distributions.
Pusher head 7 be arranged in 10 end of impeller-hub, impeller-hub 10 be axially disposed within centre pilot set 5 in, impeller-hub 10 with Traversing driving device is sequentially connected.
Centre pilot set 5 includes limit section 501 and mobile section 502, and impeller-hub 10 includes major diameter section 1001 and path section 1002, major diameter section 1001 is located in limit section 501, and the internal diameter of mobile section 3 is less than the outer diameter of major diameter section 1001, and path section 1002 exists It is moved in mobile section 502.5 limit section 501 of centre pilot set includes fission set of two split settings in 11 both sides of support base, branch Corresponding seperated set is provided with axially extending bore on support seat 11, and needle bearing 12,10 major diameter section 1001 of impeller-hub are axially arranged in through-hole Across needle bearing 12.
The traversing driving device includes the leading screw 13 being linked together with 10 major diameter section 1001 of impeller-hub, leading screw 13 and promotion Axis 10 is coaxially disposed, and is arranged with feed screw nut 13a on leading screw 13, the left and right ends of feed screw nut 13a are equipped with thrust bearing 14.
Driven gear 15 is arranged concentrically on feed screw nut 13a, driven gear 15 is wholely set with feed screw nut 13a, quilt Moving gear 15 is meshed with driving gear 16, and the output end in speed reducer 17, speed reducer 17 and motor 18 is arranged in driving gear 16 It is sequentially connected.
Mobile base 3 is equipped with reducer pedestal 17a, be provided on reducer pedestal 17a can hold leading screw 13 axially across through-hole, The thrust bearing 14 at the both ends is separately mounted on support base 11 and reducer pedestal 17a.
When the present apparatus works, light pole is horizontally arranged by positioning tool, oil cylinder 4 pushes Mobile base 3, Mobile base 3 to move It moves close to the position of light pole, tube expansion cone 6 stretches into the open-ended of light pole, and motor 18 is after the deceleration of speed reducer 17, band Dynamic driving gear 16 rotates, and driving gear 16 drives driven gear 15 to rotate, and feed screw nut 13a is also rotated, and drives 13 axis of leading screw To movement, impeller-hub 10 is moved along centre pilot set 5, and 10 major diameter section 1001 of impeller-hub can cover 5 limit sections 501 in centre pilot It is mobile, pusher head 7 is limited, pusher head 7, which pushes, swings 602 outside side oscillation of fagging, swings fagging 602 and opens, tube expansion Cone 6 increases with the open-ended circle diameter being in contact of light pole, and tension spring 8 will swing 602 inside layback of fagging so that tube expansion The tension of cone 6 is more stable, struts light pole is open-ended, realizes tube expansion.The advantages of present apparatus, is:Tube expansion cone 6 is certainly The dynamic light pole that stretches into is open-ended, swings fagging 602 and expands automatically, struts light pole is open-ended, high degree of automation makes With conveniently;The gap between light pole and base flange hole can be reduced so that welding is more secured, improves welding precision.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour A little to replace and deform, these are replaced and deformation is within the scope of the invention.

Claims (10)

1. a kind of pipe-expanding device for light pole welding, which is characterized in that including engine base, be connected with through guide rail slide block on engine base Mobile base, side and the straight line driving mechanism of Mobile base are sequentially connected, horizontal on the Mobile base to be equipped with centre pilot set, center One end of guide sleeve is equipped with tube expansion cone, and the axis of tube expansion cone and light pole coincides, and tube expansion cone includes spider, center Disk upper edge has been provided at circumferentially spaced several swing faggings, and each fagging that swings covers axis tightening by tightening system to centre pilot, Centre pilot puts on the pusher head for being provided with and can covering axial movement along centre pilot, and pusher head connects with traversing driving device transmission It connects.
2. a kind of pipe-expanding device for light pole welding according to claim 1, which is characterized in that the tightening system To connect the adjacent tension spring for swinging fagging.
3. a kind of pipe-expanding device for light pole welding according to claim 1 or 2, which is characterized in that the promotion Head includes inner core and outer portion, and outer portion is set in centre pilot set periphery, and inner core is axially disposed in centre pilot set Portion is connected between inner core and outer portion through covering the interconnecting piece of side wall radially across centre pilot, and centre pilot covers right on side wall Interconnecting piece is answered to offer wall trench.
4. a kind of pipe-expanding device for light pole welding according to claim 3, which is characterized in that the pusher head is set It sets and shaft end, impeller-hub is being pushed to be axially disposed in centre pilot set, impeller-hub is sequentially connected with traversing driving device.
5. a kind of pipe-expanding device for light pole welding according to claim 4, which is characterized in that the centre pilot Set includes limit section and mobile section, and impeller-hub includes major diameter section and path section, and major diameter section is located in limit section, the internal diameter of mobile section Less than the outer diameter of major diameter section, path section moves in mobile section.
6. a kind of pipe-expanding device for light pole welding according to claim 5, which is characterized in that the centre pilot Set limit section includes that fission of two split settings in support base both sides covers, and corresponding seperated set is provided with axial lead on support base Hole, needle bearing is axially arranged in through-hole, and impeller-hub major diameter section passes through needle bearing.
7. a kind of pipe-expanding device for light pole welding according to claim 6, which is characterized in that the traversing driving Mechanism includes the leading screw being linked together with impeller-hub major diameter section, and leading screw is coaxially disposed with impeller-hub, and leading screw spiral shell is arranged on leading screw The left and right ends of mother, feed screw nut are equipped with thrust bearing.
8. a kind of pipe-expanding device for light pole welding according to claim 7, which is characterized in that the feed screw nut On be arranged concentrically driven gear, driven gear is wholely set with feed screw nut, and driven gear is meshed with driving gear, actively The output end in speed reducer is arranged in gear, and speed reducer is connect with motor drive.
9. a kind of pipe-expanding device for light pole welding according to claim 8, which is characterized in that on the Mobile base Equipped with reducer pedestal, be provided on reducer pedestal can hold leading screw axially across through-hole, the thrust bearing at the both ends pacifies respectively On support base and reducer pedestal.
10. a kind of pipe-expanding device for light pole welding according to claim 9, which is characterized in that the straight line drives Motivation structure includes the oil cylinder being mounted on engine base, and piston rod external part and the Mobile base of oil cylinder are hinged.
CN201810289301.9A 2018-04-03 2018-04-03 Pipe expanding device for welding street lamp pole Active CN108453186B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810289301.9A CN108453186B (en) 2018-04-03 2018-04-03 Pipe expanding device for welding street lamp pole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810289301.9A CN108453186B (en) 2018-04-03 2018-04-03 Pipe expanding device for welding street lamp pole

Publications (2)

Publication Number Publication Date
CN108453186A true CN108453186A (en) 2018-08-28
CN108453186B CN108453186B (en) 2024-04-09

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR55829E (en) * 1943-01-19 1952-09-08 Louvroil Montbard Aulnoye Method and device for bench expansion of metal tubes
CH493310A (en) * 1968-06-17 1970-07-15 Gempp & Unold Ag Device for conical expansion of sheet metal container frames
JPH0230338A (en) * 1988-07-18 1990-01-31 Osugaa Mach:Kk Method and apparatus for machining end part of pipe and spectacle punch used therefor
JPH0666828U (en) * 1993-02-05 1994-09-20 石川島播磨重工業株式会社 Heat transfer tube expansion device
US6446321B1 (en) * 1998-12-08 2002-09-10 Itp Method for producing pipes to be connected in a double-wall piping system and implementing machine
CN102430657A (en) * 2012-01-12 2012-05-02 信阳市四通机械制造有限公司 Tube expander
CN102513460A (en) * 2011-12-16 2012-06-27 大连三高科技发展有限公司 Steel pipe end sizing mill assembly with diameter expanding function
CN104588520A (en) * 2014-12-17 2015-05-06 杜玉华 Steel pipe installing and expanding equipment with high-temperature heating and remodeling functions
CN104942170A (en) * 2015-07-14 2015-09-30 奥美森智能装备股份有限公司 Expansion head structure and tube expansion equipment provided with same
CN208033484U (en) * 2018-04-03 2018-11-02 扬州市欧亿照明电气有限公司 A kind of pipe-expanding device for light pole welding

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR55829E (en) * 1943-01-19 1952-09-08 Louvroil Montbard Aulnoye Method and device for bench expansion of metal tubes
CH493310A (en) * 1968-06-17 1970-07-15 Gempp & Unold Ag Device for conical expansion of sheet metal container frames
JPH0230338A (en) * 1988-07-18 1990-01-31 Osugaa Mach:Kk Method and apparatus for machining end part of pipe and spectacle punch used therefor
JPH0666828U (en) * 1993-02-05 1994-09-20 石川島播磨重工業株式会社 Heat transfer tube expansion device
US6446321B1 (en) * 1998-12-08 2002-09-10 Itp Method for producing pipes to be connected in a double-wall piping system and implementing machine
CN102513460A (en) * 2011-12-16 2012-06-27 大连三高科技发展有限公司 Steel pipe end sizing mill assembly with diameter expanding function
CN102430657A (en) * 2012-01-12 2012-05-02 信阳市四通机械制造有限公司 Tube expander
CN104588520A (en) * 2014-12-17 2015-05-06 杜玉华 Steel pipe installing and expanding equipment with high-temperature heating and remodeling functions
CN104942170A (en) * 2015-07-14 2015-09-30 奥美森智能装备股份有限公司 Expansion head structure and tube expansion equipment provided with same
CN208033484U (en) * 2018-04-03 2018-11-02 扬州市欧亿照明电气有限公司 A kind of pipe-expanding device for light pole welding

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