CN107363556A - A kind of straightening for fan housing skeleton is rushed curved welding integrated - Google Patents

A kind of straightening for fan housing skeleton is rushed curved welding integrated Download PDF

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Publication number
CN107363556A
CN107363556A CN201710686569.1A CN201710686569A CN107363556A CN 107363556 A CN107363556 A CN 107363556A CN 201710686569 A CN201710686569 A CN 201710686569A CN 107363556 A CN107363556 A CN 107363556A
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CN
China
Prior art keywords
straightening
welding
steel wire
steel
fan housing
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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
CN201710686569.1A
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Chinese (zh)
Inventor
欧俭祥
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.)
Jiangmen Jianghai Ying Hui Hardware Products Co Ltd
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Jiangmen Jianghai Ying Hui Hardware Products Co Ltd
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Publication date
Application filed by Jiangmen Jianghai Ying Hui Hardware Products Co Ltd filed Critical Jiangmen Jianghai Ying Hui Hardware Products Co Ltd
Priority to CN201710686569.1A priority Critical patent/CN107363556A/en
Publication of CN107363556A publication Critical patent/CN107363556A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)

Abstract

Rushed the invention discloses a kind of straightening for fan housing skeleton curved welding integrated, including steel wire release device, base, welding machine and control system, middle frame and frame are fixed with base, one end is provided with machine straightening device at the top of the middle frame, and the other end is provided with shearing device;The upper rack is provided with cantilever facing forward, the copper drive disk that gap rotates counterclockwise can be waited by being provided with below cantilever, being provided with the middle part of drive disk to inside contract, the steel ring positioner extended out, cantilever, which is provided with, to control the welding block and compact heap that move up and down by control system, the steel ring that is positioned on welding block face steel ring positioner is simultaneously connected with welding machine positive pole, welding machine negative pole is connected with the sliding block that can be slidably connected with drive disk outer ring, compact heap face is through machine straightening device straightening and is delivered to the steel wire above drive disk, steel cord end is ridden on steel ring, and lap-joint is placed in below welding block.The present invention improves production efficiency, reduces required manpower, reduces human cost and space occupancy rate.

Description

A kind of straightening for fan housing skeleton is rushed curved welding integrated
Technical field
The present invention relates to fan housing technical field, more particularly to a kind of device for the processing of fan housing skeleton.
Background technology
Fan housing generally use steel wire is made, and it includes into the skeleton of radial arrangement and coiling and is welded on bone Wire loop on frame, the outermost of skeleton are also associated with frame, at present skeleton processing aligning, materials and welding be it is independent, no Only production efficiency is relatively low, and equipment occupation space is also larger, it is also necessary to more manpower, and skeleton steel ring and wire spoke during welding The stability of positioning is poor, easily influences the uniformity of welding quality.Therefore, it is necessary to prior art is improved and optimized.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of device for the production of fan housing skeleton, to improve Production efficiency, reduce human cost and space occupancy rate.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of straightening for fan housing skeleton rush it is curved welding integrated, including steel wire release device, base, welding machine and Control system, is fixed with middle frame and frame on base, and one end is provided with machine straightening device at the top of the middle frame, and the other end is provided with cutting Disconnected device;The upper rack is provided with cantilever facing forward, and the copper drive disk that gap rotates counterclockwise can be waited by being provided with below cantilever, The steel ring positioner that can be inside contracted, extend out is provided with the middle part of drive disk, cantilever, which is provided with, to control what is moved up and down by control system Welding block and compact heap, the steel ring positioned on welding block face steel ring positioner are simultaneously connected with welding machine positive pole, and welding machine negative pole connects The sliding block that can be slidably connected with drive disk outer ring is connected to, compact heap face is through machine straightening device straightening and is delivered to above drive disk Steel wire, steel cord end are ridden on steel ring, and lap-joint is placed in below welding block.
The locating slot that width is more than steel wire diameter, depth and the steel wire to drive disk of locating slot are provided with the downside of the compact heap The distance of upper surface is corresponding.
The cantilever front end is provided with the weld cylinder and compression cylinder that lifting is controlled by control system, welding block and compact heap It is connected to the cylinder rod lower end of weld cylinder and compression cylinder.
Multiple rotatable straightening wheels, the installation straggly in two separate ranks of described straightening wheel, two row are provided with the machine straightening device The distance between straightening wheel is adjustable, and each straightening wheel outer ring is provided with straightening groove.
Two level machine straightening device and guide holder are additionally provided with the middle frame.
The middle frame side is provided with least two parallel guide rods, and the guide plate that can be horizontally slipped along it is housed on guide rod, Guide plate top is provided with steel wire drawing device.
The middle frame side is provided with a rotatable big belt wheel, and connecting rod, connecting rod are also rotatably connected with guide plate The other end be rotatably coupled on a spoke of big belt wheel, on the base on the right side of middle frame equipped with stretching motor, its is defeated Go out end and small pulley is housed, connected and be driven by belt between big belt wheel and small pulley.
The beneficial effects of the invention are as follows:Steel wire is aligned from steel wire coil debatching by machine straightening device by steel wire release device Afterwards by being delivered to drive disk in shearing device, on the steel ring that the lapping ends of steel wire are arranged outside steel ring positioner after cut off Device automatically cuts off steel wire, and steel cord end is welded on steel ring by welding block, it is achieved thereby that aligning, taking in skeleton processing The integration of material and welding improves production efficiency, reduces required manpower, reduces human cost and space occupancy rate;Steel wire Positioned by compact heap, steel ring extends out tensioning positioning by steel ring positioner, so as to ensure steel wire and the steel ring overlap joint of one week it is uniform, It is stable, improve the uniformity of welding quality.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the overlooking the structure diagram of drive disk in the present invention;
Fig. 3 is the structural representation of steel wire release device in the present invention.
Embodiment
Referring to figs. 1 to Fig. 3, a kind of straightening for fan housing skeleton rush it is curved welding integrated, including steel wire release dress Put, base 1, welding machine and control system, middle frame 2 and frame 3 are fixed with base 1, described top one end of middle frame 2, which is provided with, adjusts Straight device 4, the other end are provided with shearing device 5;The top of frame 3 is provided with cantilever 6 facing forward, and the lower section of cantilever 6 is provided between can waiting The copper drive disk 7 that gap rotates counterclockwise, the middle part of drive disk 7 are provided with the steel ring positioner 8 that can be inside contracted, extend out, set on cantilever 6 The welding block 9 and compact heap 10 that move up and down can be controlled by control system by having, and be positioned on the face steel ring positioner 8 of welding block 9 Steel ring 11 and be connected with welding machine positive pole, welding machine negative pole is connected with the sliding block that can be slidably connected with the outer ring of drive disk 7, compact heap 10 Face is through the straightening of machine straightening device 4 and is delivered to the steel wire 12 of the top of drive disk 7, and the end of steel wire 12 is ridden on steel ring 11, and overlaps Dispose in the lower section of welding block 9.The steel ring positioner 8 includes the locating piece 81 of at least three pieces fan shapes, and its middle part is provided with can The round platform 82 of up and down action, per a positioning block 81 by spring on drive disk 7.Set between the middle frame 2 and frame 3 There is side bending device 26, so as to which the tail end of steel wire 12 after cut-out is bent into certain angle, to produce the wind with side net Fan outer cover.The steel wire release device includes driving the unwrapping wire frame 103 of release steel wire 12 by unwrapping wire motor 102, the unwrapping wire electricity Machine 102 is electrically connected to control system, during unwrapping wire unwrapping wire motor 102 drive unwrapping wire frame 103 rotate by after steel wire coil debatching by entering Machine straightening device 4, make the speed of debatching and straightening, welding consistent, synchronous by control system control, improve debatching work certainly Dynamicization degree, without by steel wire debatching, reducing process in advance, improving space availability ratio.By steel wire release device by steel Silk 12 is from steel wire coil debatching, and by being delivered to drive disk 7 in shearing device 5 after being aligned by machine straightening device 4, the end of steel wire 12 is taken It is connected on the steel ring 11 being arranged outside steel ring positioner 8, steel ring 11 extends out tensioning positioning by steel ring positioner 8, so as to ensure Steel wire 12 and the steel ring overlap joint of 11 1 weeks be uniform, stably, to improve the uniformity of welding quality;The ends contact steel ring of steel wire 12 After positioner 8, control system control compact heap 10 pushes down steel wire 12, then the cut-out of shearing device 5 steel wire 12, under welding block 9 The end for being about to this section of steel wire 12 is welded on steel ring 11 rear up playback, and then drive disk 7 does gap rotation, the steel welded Silk 12 rotates to front side, is stayed for some time after rotating one section, and follow-up steel wire 12 continues on to steel ring positioning during stop Device 8, continue to cut off, weld, rotate, by that analogy, complete the welding of the steel wire 12 on the circle of steel ring 11 1, the steel wire welded 12 become the spoke of skeleton, and speed of welding is fast, automaticity is high, greatly reduces human cost;After the completion of welding, steel Ring positioning unit 8, which inside contracts, unclamps steel ring 11, you can the skeleton that welding is completed easily is removed, it is very convenient, quick, and it is simple to operate. Steel ring positioner 8 inside contracts, extends out and realized by the round platform 82 in the middle part of it, when round platform 82 is up by locating piece 81 laterally Squeeze, steel ring 11 is tensioned positioning, round platform 82 is descending when inside contracting, and is inwardly resetted by locating piece 81 during the elastic force of spring, so as to loose Steel ring 11 is driven, to remove the skeleton that welding is completed.
Further, the downside of compact heap 10 is provided with the locating slot that width is more than the diameter of steel wire 12, the depth of locating slot It is corresponding with the distance of steel wire 12 to the upper surface of drive disk 7, so as to positioning wire 12, prevent it from being beated in welding, improve welding The stability of quality.
Further, the outer ring of steel ring positioner 8 is uniformly provided with multiple embedded grooves 83 corresponding with the end of steel wire 12, It is embedded when being conveyed so as to steel wire 12, improves the accuracy of welding positioning, is ensured that skeleton spoke diffuses the uniform of arrangement, improve The uniformity of overall appearance;In addition, the quantity of locating piece 81 is arranged to four, each locating piece is 90 degree of fan shapes, this The locating piece of individual angle is not only convenient for processing, and is also easily outward promoted when round platform 82 is up.
Further, the side bending device 26 includes being close to the end of middle frame 2 and be fixed on base 1 bend plate 27, bend plate 27 and be provided with the crimp module 28 that downside contacts with steel wire 12, the steel wire between crimp module 28 and shearing device 5 12 lower sections are provided with the crimp wheel 29 that can be moved up and down.By crimp wheel 29 is up can be quickly by the tail end of steel wire 12 after cut-out Pressure, it is angled to be that fulcrum is bent with crimp module 28, so as to quickly realizing bending for skeleton spoke.
As the further improvement of above-mentioned technical proposal, regulating tank 30 is provided with the crimp module 28, and by being placed in Bolt in regulating tank 30 can be adjusted mounted in bending on plate 27 up and down, to adjust the height of crimp module 28, be adapted to different straight The steel wire in footpath is bent, while also allows for bending the skeleton spoke of different angle, and its lower right corner is arranged to fillet, so as to skeleton spoke Turning point is bent into fillet.
Further, the crimp wheel 29 is mounted in the cylinder rod top of crimp cylinder 31, and crimp cylinder 31 is arranged on and bends plate On 27, bending for wire spoke can be quickly finished by crimp cylinder 31, be easy to implement gap action.
Further, the steel wire release device also includes bottom plate 101 and is disposed therein the pay off rack 105 in portion, unwrapping wire Frame 103 is rotatably on pay off rack 105, and the unwrapping wire motor 102 is arranged on the bottom plate 101 of the lower section of pay off rack 105, bottom Plate 101 is surrounded by multiple wire sleeves 104.Drive unwrapping wire frame 103 to rotate steel wire coil debatching by unwrapping wire motor 102, make steel Silk 12 is provided with the power conveyed to the left, by wire sleeve 104, steel wire 12 can be made to guide in the counterclockwise direction to machine straightening device 4, To improve the stability of debatching.
Preferably, the front end of cantilever 6 is provided with the weld cylinder 13 and compression cylinder 14 that lifting is controlled by control system, weldering Connect block 9 and compact heap 10 is connected to the cylinder rod lower end of weld cylinder 13 and compression cylinder 14.Driven by compression cylinder 14 The dynamic positioning wire 12 of compact heap 10, weld cylinder 13 drive welding block 9 to weld, and are easy to implement gap action, improve production efficiency.
As the further improvement of above-mentioned technical proposal, multiple rotatable straightening wheels, institute are provided with the machine straightening device 4 The distance between the straightening wheel stated installation straggly in two separate ranks, two row straightening wheels are adjustable, and each straightening wheel outer ring is provided with straightening groove.Rectify The distance between two row straightening wheels are adapted to gauge of wire when straight, and each straightening wheel outer ring is equipped with guide groove, to prevent Steel wire slides.
Further, two level machine straightening device 15 and guide holder 16 are additionally provided with the middle frame 2, pass through two level machine straightening device 15 can further align steel wire 12, make steel wire 12 more straight, to increase its consistency, improve quality stability.
Further, the side of middle frame 2 is provided with least two parallel guide rods 17, and being equipped with guide rod 17 can be along its left and right The guide plate 18 of slip, the top of guide plate 18 are provided with steel wire drawing device 19, and steel wire is pulled by the reciprocating action of steel wire drawing device 19 12, clamping steel wire 12 when steel wire drawing device 19 acts to the left, steel wire 12 is unclamped when acting to the right, so as to realize the company of steel wire 12 Continuous conveying, make up steel wire release device and give the problem of being short of power of steel wire 12, guide plate 18 acts along guide rod 17 or so, improves The stability of pulling action.
Further, the side of middle frame 2 is provided with a rotatable big belt wheel 20, also rotatably connects on guide plate 18 Connecting rod 21 is connected to, the other end of connecting rod 21 is rotatably coupled on a spoke 22 of big belt wheel 20, the bottom on the right side of middle frame 2 Small pulley 24 is housed, connected between big belt wheel 20 and small pulley 24 by belt 25 equipped with stretching motor 23, its output end on seat 1 Transmission.Big belt wheel 20 is driven by V belt translation by stretching motor 23, when big belt wheel 20 rotates, it is inclined that the end of connecting rod 21 is placed in its Heart position, so as to realize the left and right reciprocating action of guide plate 18, structure is very simple, and service life is long, is easy to safeguard.
Described above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, if its with Any same or similar means reach the technique effect of the present invention, should all be included within protection scope of the present invention.

Claims (7)

1. curved welding integrated, including steel wire release device, base, welding machine and control are rushed in a kind of straightening for fan housing skeleton System processed, middle frame and frame are fixed with base, it is characterised in that:One end is provided with machine straightening device at the top of the middle frame, separately One end is provided with shearing device;The upper rack is provided with cantilever facing forward, and being provided with below cantilever can wait what gap rotated counterclockwise Copper drive disk, drive disk middle part are provided with the steel ring positioner that can be inside contracted, extend out, and cantilever is provided with and can controlled by control system The welding block and compact heap of up and down action, the steel ring positioned on welding block face steel ring positioner are simultaneously connected with welding machine positive pole, Welding machine negative pole is connected with the sliding block that can be slidably connected with drive disk outer ring, and compact heap face is through machine straightening device straightening and is delivered to drive Steel wire above Moving plate, steel cord end are ridden on steel ring, and lap-joint is placed in below welding block.
2. a kind of straightening for fan housing skeleton according to claim 1 is rushed curved welding integrated, it is characterised in that: The locating slot that width is more than steel wire diameter, depth and the steel wire to drive disk upper surface of locating slot are provided with the downside of the compact heap Distance is corresponding.
3. a kind of straightening for fan housing skeleton according to claim 1 is rushed curved welding integrated, it is characterised in that: The cantilever front end is provided with the weld cylinder and compression cylinder that lifting is controlled by control system, and welding block and compact heap connect respectively In the cylinder rod lower end of weld cylinder and compression cylinder.
4. a kind of straightening for fan housing skeleton according to claim 1 is rushed curved welding integrated, it is characterised in that: Be provided with multiple rotatable straightening wheels in the machine straightening device, the installation straggly in two separate ranks of described straightening wheel, two row straightening wheels it Between distance it is adjustable, each straightening wheel outer ring is provided with straightening groove.
5. a kind of straightening for fan housing skeleton according to claim 1 is rushed curved welding integrated, it is characterised in that: Two level machine straightening device and guide holder are additionally provided with the middle frame.
6. curved welding integrated, its spy is rushed according to a kind of any described straightening for fan housing skeleton of Claims 1 to 5 Sign is:The middle frame side is provided with least two parallel guide rods, and the guide plate that can be horizontally slipped along it is housed on guide rod, led Plate top is provided with steel wire drawing device.
7. a kind of straightening for fan housing skeleton according to claim 6 is rushed curved welding integrated, it is characterised in that: The middle frame side is provided with a rotatable big belt wheel, and connecting rod, the other end of connecting rod are also rotatably connected with guide plate It is rotatably coupled on a spoke of big belt wheel, is equipped with the base on the right side of middle frame equipped with stretching motor, its output end Small pulley, connected and be driven by belt between big belt wheel and small pulley.
CN201710686569.1A 2017-08-11 2017-08-11 A kind of straightening for fan housing skeleton is rushed curved welding integrated Pending CN107363556A (en)

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CN201710686569.1A CN107363556A (en) 2017-08-11 2017-08-11 A kind of straightening for fan housing skeleton is rushed curved welding integrated

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CN201710686569.1A CN107363556A (en) 2017-08-11 2017-08-11 A kind of straightening for fan housing skeleton is rushed curved welding integrated

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108941366A (en) * 2018-07-02 2018-12-07 南通海诚辐条有限公司 A kind of mold suitable for producing head bending spoke

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137477A1 (en) * 1971-05-11 1972-12-29 Krems Huette Gmbh Straight seam buttwelded tubing - made on machine with seam guide
CN2180392Y (en) * 1993-11-12 1994-10-26 河北省黄骅工贸合营电焊网厂 Roll-wheel type double-weft wire feeding electric welding net machine
JP2009178717A (en) * 2008-01-29 2009-08-13 Nippon Steel & Sumikin Welding Co Ltd Steel wire for gas shielded arc welding
CN201423419Y (en) * 2009-05-19 2010-03-17 嘉兴市浙工数控焊机有限公司 Numerically-controlled ring making machine
CN102555212A (en) * 2012-01-09 2012-07-11 江苏星辰星汽车附件有限公司 Ultrasonic welding equipment for porous sound attenuation air inlet tube of non-woven fabric helical air filter
CN202606746U (en) * 2012-07-04 2012-12-19 吴兆超 Wire adjusting mechanism of wire winding machine for winding fan housing
CN205237517U (en) * 2015-11-06 2016-05-18 天津市金属网一厂 A hydraulic pressure system circle machine for producing plant winding frame

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137477A1 (en) * 1971-05-11 1972-12-29 Krems Huette Gmbh Straight seam buttwelded tubing - made on machine with seam guide
CN2180392Y (en) * 1993-11-12 1994-10-26 河北省黄骅工贸合营电焊网厂 Roll-wheel type double-weft wire feeding electric welding net machine
JP2009178717A (en) * 2008-01-29 2009-08-13 Nippon Steel & Sumikin Welding Co Ltd Steel wire for gas shielded arc welding
CN201423419Y (en) * 2009-05-19 2010-03-17 嘉兴市浙工数控焊机有限公司 Numerically-controlled ring making machine
CN102555212A (en) * 2012-01-09 2012-07-11 江苏星辰星汽车附件有限公司 Ultrasonic welding equipment for porous sound attenuation air inlet tube of non-woven fabric helical air filter
CN202606746U (en) * 2012-07-04 2012-12-19 吴兆超 Wire adjusting mechanism of wire winding machine for winding fan housing
CN205237517U (en) * 2015-11-06 2016-05-18 天津市金属网一厂 A hydraulic pressure system circle machine for producing plant winding frame

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
广东省佛山市顺德区顺德忠业机械厂: "《www.hardwareinfo.cn/commerce/cv-389910-1408420.html》", 20 May 2010 *
广东省佛山市顺德区顺德忠业机械厂: "《www.hardwareinfo.cn/commerce/cv-389910-1422576.html》", 27 May 2010 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108941366A (en) * 2018-07-02 2018-12-07 南通海诚辐条有限公司 A kind of mold suitable for producing head bending spoke

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Application publication date: 20171121