CN202893921U - Large-aperture thin-wall bent pipe forming equipment - Google Patents

Large-aperture thin-wall bent pipe forming equipment Download PDF

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Publication number
CN202893921U
CN202893921U CN 201220579485 CN201220579485U CN202893921U CN 202893921 U CN202893921 U CN 202893921U CN 201220579485 CN201220579485 CN 201220579485 CN 201220579485 U CN201220579485 U CN 201220579485U CN 202893921 U CN202893921 U CN 202893921U
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CN
China
Prior art keywords
semi
clamping device
circular recesses
main body
bent pipe
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.)
Withdrawn - After Issue
Application number
CN 201220579485
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Chinese (zh)
Inventor
姚泽功
郝建平
杨万虎
张娜
牛圆圆
吴艳
向小斌
余修浩
周锴
刘灿
刘洋
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.)
HUBEI JIANGSHAN HYDRAULIC TECHNOLOGY Co Ltd
Original Assignee
HUBEI JIANGSHAN HYDRAULIC TECHNOLOGY Co Ltd
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Publication date
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Priority to CN 201220579485 priority Critical patent/CN202893921U/en
Application granted granted Critical
Publication of CN202893921U publication Critical patent/CN202893921U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses large-aperture thin-wall bent pipe forming equipment. In the large-aperture thin-wall bent pipe forming equipment, an upper die body is fixedly connected with a main die body; a driving device is connected with the main die body, the lower die body is connectively fixed with a fixed clamping device on one side; a rotating clamping device is connected with the upper die body and can rotate along with the main die body after tightly clamping the driving device; a semi-circular groove of the rotating clamping device and a semi-circular groove on the main die body correspond to each other to form a clamping sleeve for clamping a workpiece to be processed and can be integrated in driving and clamping via a rotating clamping oil cylinder of the rotating clamping device; a semi-circular groove on the fixed clamping device corresponds to a semi-circular groove on the main die body to form a clamping sleeve for tightly clamping a workpiece to be processed. The large-aperture thin-wall bent pipe forming equipment is simple in structure, quick in forming and high in efficiency and product qualification ratio under first acceptance check. Via hydraulic driving, the large-aperture thin-wall bent pipe forming equipment has the advantages of stable operation; and due to an added anti-wrinkle plate, the bent pipe is guaranteed to be free of wrinkle, and technical requirements of the bend pipe for forming are met.

Description

A kind of large-caliber thin-walled bent pipe forming device
Technical field
The utility model is a kind of large-caliber thin-walled aluminium bent pipe forming device, is specifically a kind ofly directly driven by hydraulic jack, and the rotation of driven mold upper body curves straight tube 90 ° large-caliber thin-walled bent pipe forming device.
Background technology
At present, known bent pipe forming device is bended pipe, and wall thickness is thicker, and bore is less; The PVC bend pipe is to use the die casting moulding.Domesticly there is no at present the former that producer makes crooked large-caliber thin-walled aluminium bend pipe (wall thickness 2mm), and known bent pipe forming device is used for crooked large-caliber thin-walled aluminium bend pipe, there is following deficiency, known bent pipe forming device, adopt mechanical movement, equipment is unstable, can not go out by producer's requirement bending the bend pipe of the regulation number of degrees; Steel pipe is harder, and the aluminum pipe material is softer, can produce fold during the bend pipe bending; Use the mould injection-compression molding, a kind of product of every replacing (change of one of caliber, size, angle) just needs to make new die, and cost is higher.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that above-mentioned existing bent pipe forming device can not crooked large-caliber thin-walled aluminium bend pipe, a kind of large-caliber thin-walled bent pipe forming device is provided, this equipment can not only carry out bending to aluminum pipe, and the bend pipe of producing requirement up to specification that can be stable.
The technical solution of the utility model is: mould comprises coaxial mounted mould lower body, mould upper body and die main body; The mould upper and lower body is connected by gear ring, and the mould upper body is fixedly connected with die main body; Drive unit is connected with die main body, and the mould lower body is connected and fixed with the fixed clamping device that is arranged at a side; Rotating clamping device is connected with the mould upper body, can follow die main body after drive unit clamps rotates, on the die main body periphery semi-circular recesses is arranged, rotating on the clamping device has semi-circular recesses, and the semi-circular recesses that rotates clamping device also can drive by the rotating clip locking oil cylinder that rotates clamping device to clamp with the corresponding chuck that is combined into clamping pipe fitting to be processed of semi-circular recesses of die main body and be integrated; Be provided with the corresponding semi-circular recesses that is combined into the chuck of clamping pipe fitting to be processed of semi-circular recesses with die main body on the fixed clamping device, the corresponding chuck that is combined into clamping pipe fitting to be processed with the semi-circular recesses of die main body of semi-circular recesses on the fixed clamping device, this chuck and aluminum pipe gap are 1.5 ~ 3mm.
Be useful on fixed central spindle's device of support and the pipe fitting to be processed that leads on the described fixed clamping device, fixed central spindle's bottom of device is fixed by foundation bolt and ground; Fixed central spindle's device is provided with hydraulic jack, and hydraulic jack is connected with the fixed central spindle device by bolt, and long mandrel assembly is connected with the piston rod of hydraulic jack, long mandrel assembly cylindrical and the corresponding setting of semi-circular recesses on the die main body periphery.During the aluminum pipe moulding, piston rod is in the state of stretching out, and long mandrel assembly is connected with the piston rod of hydraulic jack, guarantee that aluminum pipe maintains static carrying out bending duration mandrel assembly, after the aluminum pipe bending finishes, drives hydraulic jack, piston rod is retracted, and drives long mandrel assembly and withdraws from from the aluminum pipe tail end.
Described long mandrel assembly lower surface is 15-30mm. to the distance at the point of contact of die main body.
Described mould upper body, mould lower body are turbination.
Described drive unit comprises a hydraulic jack, and hydraulic cylinder piston rod is loaded on the die main body downside through a rotating shaft.
The axis of described drive unit and the angle theta of mold axis are 13.05 °.
Described fixed clamping device, rotation clamping device are driven by hydraulic jack respectively.
Described fixed clamping device is 15mm with the distance of rotating clamping device.
On the described fixed central spindle device Anti-wrinkling board is housed, semi-circular recesses is arranged on the Anti-wrinkling board, the Anti-wrinkling board top corresponding with semi-circular recesses is an arc.
The semi-circular recesses of described fixed clamping device and the semi-circular recesses on the Anti-wrinkling board are fitted and are formed one section for the sleeve that pipe fitting to be processed is pressed from both sides hereinto, fit in die main body right-hand member point of contact place's groove location and Anti-wrinkling board lower surface, by increasing Anti-wrinkling board, make aluminum pipe in BENDING PROCESS, the aluminum pipe outer wall is not fitted with the Anti-wrinkling board inwall always before the moulding, after the moulding aluminum pipe outer wall always with fixed clamping device on the corresponding chuck that clamps pipe fitting to be processed that is combined into of semi-circular recesses of semi-circular recesses and die main body fit, guarantee that bend pipe does not produce fold.
Compared with prior art, the utility model is simple in structure, moulding is fast, efficient is high, delivery-check qualified rate height of product.The utility model adopts hydraulic-driven, has the characteristics of working stability; And by increasing setting and the Anti-wrinkling board of semi-circular recesses, guarantee that bend pipe does not produce fold, satisfy the forming elbow specification requirement.The utility model can not only carry out bending to aluminum pipe, and the bend pipe of producing requirement up to specification that can be stable.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of mould of the present utility model and fixed clamping device.
Fig. 3 is that A of the present utility model is to view.
Fig. 4 is that B of the present utility model is to view.
Fig. 5 is that C of the present utility model is to view.
Fig. 6 is the Anti-wrinkling board schematic diagram.
Fig. 7 is that the A of Fig. 6 is to view.
Fig. 8 is schematic diagram before the aluminium bend pipe formed product.
Fig. 9 is schematic diagram after the aluminium bend pipe formed product.
Figure 10 is the partial schematic diagram of die main body and Anti-wrinkling board, long mandrel assembly, long mandrel assembly, fixed clamping device, rotation clamping device.
The specific embodiment
Among Fig. 1, drive unit 7 is connected by axle with the die main body of mould 1, and shaft end is screw thread, adopts fastening nuts, and fixed clamping device 5 sides and mould lower body are bolted, and fixed clamping device 5 underrun foundation bolts and ground are fastening.Rotate the corresponding setting with the mould upper body of clamping device 6 and pass through screw threads for fastening, after drive unit 7 starts, die main body sways, hydraulic jack 7-1 prolongs axis direction and does traveling priority, be useful on the long mandrel assembly 3 of support, guiding pipe fitting to be processed on fixed central spindle's device 8, after fixed clamping device 5 clamped, the semi-circular recesses of fixed clamping device 5 and aluminum pipe outer wall were fitted.After rotating clamping device 6 clampings, rotate semi-circular recesses and the aluminum pipe outer wall of clamping device 6 and fit, 10 is Anti-wrinkling board, rotates on the clamping device 6 and is mounted with rotating clip locking oil cylinder 6-1.Fixed clamping device 5 has hydraulic jack 5-1.
Fig. 2 rotates schematic diagram behind the clamping device for removing.Mould 1 comprises coaxial mounted mould lower body 1-2, mould upper body 1-1 and die main body 1-3; The mould upper and lower body is connected by gear ring, and mould upper body 1-1 is fixedly connected with die main body 1-3; Drive unit 7 is connected with die main body 1-3, and mould lower body 1-2 is connected and fixed with the fixed clamping device 5 that is arranged at a side; Die main body 1-3 is annulus, semi-circular recesses 1-4 is arranged on the annulus outer circumference surface, semi-circular recesses 5-3 is arranged on the fixed clamping device 5, and the corresponding chuck that clamps pipe fitting to be processed that is combined into the semi-circular recesses 1-4 of die main body 1-3 of the semi-circular recesses 5-3 of fixed clamping device 5 also can be integrated by the hydraulic jack 5-1 driving clamping of fixed clamping device 5.When guaranteeing that aluminum pipe is installed to long mandrel assembly, the aluminum pipe center is radius after the aluminum pipe moulding to the distance at mould 1 center; Mould lower body 1-2 plays a supportive role, supporting mould upper body 1-1 and die main body 1-3, and described mould upper body 1-1, mould lower body 1-2 are turbination.
Among Fig. 3, be installed with hydraulic jack 8-1 on fixed central spindle's device 8, long mandrel assembly 3 is connected by bearing pin with the piston rod of hydraulic jack 8-1, long mandrel assembly 3 and the corresponding setting of semi-circular recesses on the die main body periphery, short mandrel assembly 2 is movable, after aluminum pipe is installed on the long mandrel assembly 3, short mandrel assembly 2 is placed by position shown in Figure 3, long mandrel assembly 3 and short mandrel assembly 2 are placed in the pipe fitting 9 to be processed, long mandrel assembly 3 all plays a supportive role with short mandrel assembly 2, prevents from being out of shape when aluminum pipe from clamping.In the semi-circular recesses that pipe fitting 9 to be processed can extend fixed clamping device and the corresponding chuck that is combined into of semi-circular recesses of die main body.Fixed central spindle's device 8 is placed on the ground, and is fastening by foundation bolt and ground.
Among Fig. 4, rotate on the clamping device 6 and be mounted with rotating clip locking oil cylinder 6-1, the piston rod left end of rotating clip locking oil cylinder 6-1 has external screw thread, there is internal thread the semi-circular recesses right side, both are threaded connection fixing, when hydraulic jack 6-1 started, the semi-circular recesses combination that can promote semi-circular recesses 6-2 and die main body was used for clamping aluminum pipe 9 to be processed.Mould upper body 1-1, mould lower body 1-2 among the figure.
Among Fig. 5, drive unit 7 is fastening by foundation bolt and ground through holder, and hydraulic jack 7-1 and the die main body of drive unit 7 are threaded connection.
Among Fig. 6, among Fig. 7,10 is Anti-wrinkling board.Semi-circular recesses 10-1 is arranged on the Anti-wrinkling board 10, on the Anti-wrinkling board 10 corresponding with semi-circular recesses 10-1 one section arc is arranged, the radian of this arc can match with mould.
Fig. 8 is aluminum pipe 9, is the formed product pre-structure.
Among Fig. 9, be to be aluminium bend pipe 11 after the aluminum pipe formed product.
Among Figure 10, Anti-wrinkling board 10 is bolted on fixed central spindle's device 8 by the drawing direction, Anti-wrinkling board 10 lower surfaces are concordant with position, die main body 1-3 point of contact, start fixed clamping device 5, semi-circular recesses on the semi-circular recesses of fixed clamping device 5 and the Anti-wrinkling board 10 is fitted and is formed one section for the sleeve that pipe fitting 9 to be processed is pressed from both sides hereinto, when clamping pipe fitting 9 to be processed, prevent the aluminum pipe distortion.Fit in die main body 1-3 right-hand member groove location and Anti-wrinkling board 10 lower surfaces, the Anti-wrinkling board upper surface is connected with fixed central spindle device 8 by bolt, after being illustrated as pipe fitting 9 and being in place, and fixed clamping device 5 and rotate the rear schematic diagram of clamping device 6 clampings.Long mandrel assembly 3 among the figure, short mandrel assembly 2, the hydraulic jack 5-1 on the fixed clamping device 5 rotates the hydraulic jack 6-1 on the clamping device 6.
During work, first pipe fitting 9 to be processed is packed into fixed central spindle's device 8, will lack mandrel assembly 2 and be placed in the pipe fitting 9, and fit with fixed central spindle device 8 heads, start fixed clamping device 5 and rotate clamping cylinder 6-1 on the clamping device 6, the semi-circular recesses 6-2 that semi-circular recesses 5-3 on the fixed clamping device 5 and the semi-circular recesses 10-1 on the Anti-wrinkling board 10 is clamped be integrated, rotate on the clamping device 6 clamps with the semi-circular recesses of die main body 1-3 and is integrated clamping pipe fitting 9; Start drive unit 7, hydraulic jack 7-1 driven mold main body 1-3 on the drive unit 7, rotating clamping device 6 rotates, pipe fitting 9 brake formings to be processed, after the moulding, start hydraulic jack 5-1 and 6-1 on fixed clamping device 5 and the rotation clamping device 6, piston rod retreats, unclamp aluminum pipe 11 after the moulding, to lack mandrel assembly 2 takes out, start the hydraulic jack 8-1 on fixed central spindle's device 8, piston rod drives long mandrel assembly 3 and retracts, make long mandrel assembly 3 withdraw from aluminum pipe 11 after the moulding, aluminum pipe after the moulding 11 is taken off from equipment, start the hydraulic jack 8-1 on fixed central spindle's device 8, piston rod drives long mandrel assembly 3 and reaches extreme position, and a working cycles finishes.

Claims (10)

1. large-caliber thin-walled bent pipe forming device, it is characterized in that: mould (1) comprises coaxial mounted mould lower body (1-2), mould upper body (1-1) and die main body (1-3); The mould upper and lower body is connected by gear ring, and mould upper body (1-1) is fixedly connected with die main body (1-3); Drive unit (7) is connected with die main body (1-3), and mould lower body (1-2) is connected and fixed with the fixed clamping device (5) that is arranged at a side; Rotate clamping device (6) and be connected with mould upper body (1-1), after drive unit (7) clamps, can follow die main body (1-3) and rotate; On die main body (1-3) periphery semi-circular recesses (1-4) is arranged, rotating on the clamping device (6) has semi-circular recesses (6-2), and the semi-circular recesses (6-2) that rotates clamping device (6) also can drive by the rotating clip locking oil cylinder (6-1) that rotates clamping device (6) to clamp with the corresponding chuck that is combined into clamping pipe fitting to be processed of semi-circular recesses (1-4) of die main body (1-3) and be integrated; Be provided with a corresponding semi-circular recesses (5-3) that clamps the chuck of pipe fitting to be processed, the corresponding chuck that is combined into clamping pipe fitting to be processed with the semi-circular recesses (1-4) of die main body (1-3) of the semi-circular recesses (5-3) on the fixed clamping device (5) of being combined into of semi-circular recesses (1-4) with die main body (1-3) on the fixed clamping device (5).
2. large-caliber thin-walled bent pipe forming device according to claim 1, it is characterized in that: fixed central spindle's device (8) bottom is fixed by foundation bolt and ground, fixed central spindle's device (8) is provided with hydraulic jack (8-1), hydraulic jack (8-1) is connected with the fixed central spindle device by bolt, long mandrel assembly (3) is connected with the piston rod of hydraulic jack (8-1), the corresponding setting of semi-circular recesses (1-4) on long mandrel assembly (3) and die main body (1-3) periphery.
3. large-caliber thin-walled bent pipe forming device according to claim 2, it is characterized in that: described long mandrel assembly (3) lower surface is 15-30mm to the distance at the point of contact of die main body (1-3).
4. large-caliber thin-walled bent pipe forming device according to claim 1, it is characterized in that: described mould upper body (1-1), mould lower body (1-2) are turbination.
5. large-caliber thin-walled bent pipe forming device according to claim 1, it is characterized in that: described drive unit (7) comprises a hydraulic jack (7-1), hydraulic jack (7-1) piston rod is loaded on die main body (1-3) downside through a rotating shaft.
6. large-caliber thin-walled bent pipe forming device according to claim 5, it is characterized in that: the angle theta of the axis of described drive unit (7) and mould (1) axis is 13.05 °.
7. large-caliber thin-walled bent pipe forming device according to claim 1 is characterized in that: described fixed clamping device (5), rotate clamping device (6) and driven by hydraulic jack (5-1,6-1) respectively.
8. large-caliber thin-walled bent pipe forming device according to claim 1 is characterized in that: described fixed clamping device (5) is 15mm with the distance of rotating clamping device (6).
9. large-caliber thin-walled bent pipe forming device according to claim 1, it is characterized in that: Anti-wrinkling board (10) is housed on the described fixed central spindle device (8), semi-circular recesses (10-1) is arranged on the Anti-wrinkling board (10), and Anti-wrinkling board (10) top corresponding with semi-circular recesses (10-1) is an arc.
10. large-caliber thin-walled bent pipe forming device according to claim 9, it is characterized in that: the semi-circular recesses (5-3) of described fixed clamping device (5) is fitted with the semi-circular recesses (10-1) on the Anti-wrinkling board (10) and is formed one section for the sleeve that pipe fitting to be processed is pressed from both sides hereinto, fits in die main body (1-3) right-hand member point of contact place's groove location and Anti-wrinkling board (10) lower surface.
CN 201220579485 2012-11-06 2012-11-06 Large-aperture thin-wall bent pipe forming equipment Withdrawn - After Issue CN202893921U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220579485 CN202893921U (en) 2012-11-06 2012-11-06 Large-aperture thin-wall bent pipe forming equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220579485 CN202893921U (en) 2012-11-06 2012-11-06 Large-aperture thin-wall bent pipe forming equipment

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CN202893921U true CN202893921U (en) 2013-04-24

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CN 201220579485 Withdrawn - After Issue CN202893921U (en) 2012-11-06 2012-11-06 Large-aperture thin-wall bent pipe forming equipment

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252392A (en) * 2012-11-06 2013-08-21 湖北江山液压科技有限公司 Molding equipment for large-diameter thin-walled elbow pipe
CN103691783A (en) * 2013-11-29 2014-04-02 山西佳诚液压有限公司 Large-diameter petroleum pipeline cold bending equipment
CN106001219A (en) * 2016-06-24 2016-10-12 奥美森智能装备股份有限公司 Pipe bending machine and pipe bending method
CN106001218A (en) * 2016-06-24 2016-10-12 奥美森智能装备股份有限公司 Pipe bending machine and pipe bending method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252392A (en) * 2012-11-06 2013-08-21 湖北江山液压科技有限公司 Molding equipment for large-diameter thin-walled elbow pipe
CN103252392B (en) * 2012-11-06 2015-01-28 湖北江山液压科技有限公司 Molding equipment for large-diameter thin-walled elbow pipe
CN103691783A (en) * 2013-11-29 2014-04-02 山西佳诚液压有限公司 Large-diameter petroleum pipeline cold bending equipment
CN106001219A (en) * 2016-06-24 2016-10-12 奥美森智能装备股份有限公司 Pipe bending machine and pipe bending method
CN106001218A (en) * 2016-06-24 2016-10-12 奥美森智能装备股份有限公司 Pipe bending machine and pipe bending method
CN106001218B (en) * 2016-06-24 2018-09-18 奥美森智能装备股份有限公司 A kind of bending machine and bending method
CN106001219B (en) * 2016-06-24 2018-09-18 奥美森智能装备股份有限公司 A kind of bending machine and bending method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130424

Effective date of abandoning: 20150128

RGAV Abandon patent right to avoid regrant