CN203842979U - Multi-section type pipe bending machine - Google Patents

Multi-section type pipe bending machine Download PDF

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Publication number
CN203842979U
CN203842979U CN201420283801.9U CN201420283801U CN203842979U CN 203842979 U CN203842979 U CN 203842979U CN 201420283801 U CN201420283801 U CN 201420283801U CN 203842979 U CN203842979 U CN 203842979U
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CN
China
Prior art keywords
bending machine
working
guide rail
rolling wheel
pipe
Prior art date
Application number
CN201420283801.9U
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Chinese (zh)
Inventor
单才华
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浙江正特集团有限公司
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Priority to CN201420283801.9U priority Critical patent/CN203842979U/en
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Publication of CN203842979U publication Critical patent/CN203842979U/en

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Abstract

The utility model provides a multi-section type pipe bending machine and belongs to the technical field of machinery. The multi-section type pipe bending machine solves the problem that an existing pipe bending machine cannot bend a variable-radius part. The multi-section type pipe bending machine comprises a workbench, a die body, a rolling wheel and a hydraulic cylinder provided with a piston rod. A cylinder block of the hydraulic cylinder is hinged to the workbench and swings on the horizontal plane. One side wall of the die body is provided with a working face protruding outwards. The working face is a continuous curved surface composed of multiple arc surfaces. The rolling wheel is arranged on the side portion, provided with the working face, of the die body. The top surface of the die body is provided with a guide rail, wherein the guide rail and the working face are identical in curvature. Two guiding wheels are arranged in the guide rail. The two guiding wheels and the rolling wheel are all connected to a fixing plate. The fixing plate is provided with a fixing base. According to the multi-section type pipe bending machine, hydraulic pushing serves as power, a pipe formed by connecting multiple arcs can be manufactured through one-off bending under the guide of guide rail cams.

Description

A kind of multisection type bending machine

Technical field

The utility model belongs to field of mechanical technique, relates to a kind of processing equipment, particularly a kind of multisection type bending machine that straight tube can be processed into circular-arc bend pipe.

Background technology

In leisure goods industry, edge-on suspension parasols is to be widely used, to develop a kind faster out of doors, and its most variation is all that realize for hanging the curved shape of the hound of umbrella body on the limit of keeping to the side.

Existing general angle pipe equipment is roughly divided into three kinds: 1, general three-wheel bending roll machine, it is generally used for the ten thousand true of big-and-middle-sized hollow pipe or solid bar, sometimes to just can reach the requirement of regulation through roll extrusion back and forth repeatedly, piece surface easily scratches or produces on cross section larger distortion, part uniformity after moulding is poor, production efficiency is lower, is therefore only applicable to the production of small lot, and uses when product is drawn a design; 2, rotating disc type bending machine, the development of this machine is very fast, and existing bending machine able to programme can a plurality of different directions of disposable clamping continuous bend and the identical part of bending radius, and the high conformity of part, efficiency are high, are widely used.The price of unit device is higher, and production cost is also done, and the part that a secondary mould can only crooked same bending radius, be generally used in relative bending radius compared with for the little accessory size with respect to being bent, part that crooked precision is higher; 3, centering cart-wheel pipe bender, this kind of type is substantially the same with the function of rotating disc type bending machine, difference is that this machine can only just can realize crooked part for not loosing core, and it is simultaneously crooked to realize part two ends, but it can not realize the part of crooked change radius too.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of multisection type bending machine, and it utilizes hydraulic drive to be used as power, and relies on the guiding of guide rail cam, can make a pipe fitting being coupled together by a plurality of different circular arcs by single use deflectable.

The purpose of this utility model can realize by following technical proposal: a kind of multisection type bending machine, it is characterized in that, comprise workbench, mold, rolling wheel and the hydraulic cylinder with piston rod, the cylinder body of described hydraulic cylinder is hinged on workbench and can on horizontal plane, swings, one side sidewall of described mold has the working face of an outwardly convex, described working face is the continuous curve surface that some sections of arc surfaces form, described rolling wheel is arranged on a side sidepiece on mold with working face, the end face of described mold has a guide rail identical with working face curvature, in described guide rail, be provided with two directive wheels, two described directive wheels and described rolling wheel are connected on a fixed head jointly, on described fixed head, there is a holder, described piston rod one end is slidably connected in hydraulic cylinder, the other end is hinged on holder.

In the technical program, pipe to be processed is held in place on the working face of mold sidewall and by the rolling wheel processing of bending, the travel path of rolling wheel is limited by the Curvature change of the guide rail on mold and working face, working face is formed by the circular arc projection by some different radiis or different home positions, the slender piece that a pipe single use deflectable can be become coupled together by a plurality of different circular arcs after rolling wheel rolls on working face.In the technical program, two directive wheels and rolling wheel form a triangle and make, can improve the stability of roll extrusion, and while changing along with guide pass radian, two directive wheels are close to guide pass motion and can also be made the actual path that rolling wheel is walked out more meet theory locus.

In above-mentioned multisection type bending machine, on described working face, there is a groove arranging along horizontal direction, described groove has the loop concave one coordinating with pipe.Loop concave can guarantee that the position that pipe contacts with mold in rolling process does not deform.

In above-mentioned multisection type bending machine, described rolling wheel has the loop concave two coordinating with pipe.After rolling wheel and working face match, can form the circular concave surface of a clamping pipe, can further avoid causing pipe distortion in rolling process.

In above-mentioned multisection type bending machine, on described working face, there is a clamping seats that can clamp pipe.Pipe in vacant state, need to be fixed by clamping seats in rolling wheel and groove time, to avoid the pipe distortion that is shifted in rolling process, affects press-bending effect.

In above-mentioned multisection type bending machine, the cross section of described guide rail is inverted T shape, and the two ends of described guide rail respectively have the resigning hole that can put into directive wheel.Guide rail is made as T-shaped, can guarantees that directive wheel slides and do not deviate from guide rail.

In above-mentioned multisection type bending machine, the two ends of described guide rail are respectively provided with a limit switch.Limit switch limits the movement travel of directive wheel, avoids moving position, also can, when fixed head touches the limit switch that is positioned at far-end, hydraulic cylinder be automatically reset simultaneously.

Compared with prior art, the utility model is simple in structure, easy to use, reliable, it is by being fixed on workbench motionless by the mold for bend pipe, by rolling wheel, on mold, by certain movement locus, roll to realize the bending to part, and the bend pipe after bending is formed by connecting by different circular arcs, production efficiency is high, production cost is low, steady quality, is applicable to the production of part more in enormous quantities.

Accompanying drawing explanation

Fig. 1 is top view of the present utility model.

Fig. 2 is the A-A schematic cross-section in Fig. 1.

Fig. 3 is the view before pipe bending in the utility model.

Fig. 4 is the view after pipe bending in the utility model.

In figure, 1, workbench; 2, mold; 2a, guide rail; 2b, working face; 2c, resigning hole; 2d, groove; 3, fixed head; 4, rolling wheel; 5, pipe; 5a, arc section one; 5b, arc section two; 5c, arc section three; 6, hydraulic cylinder; 6a, piston rod; 7, hinged seat; 8, holder; 9, limit switch; 10, directive wheel; 11, bolt assembly one; 12, bolt assembly two; 13, bolt; 14, clamping seats.

The specific embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

See figures.1.and.2, the present embodiment is a kind of multisection type bending machine, comprise workbench 1, mold 2, rolling wheel 4 and there is the hydraulic cylinder 6 of piston rod 6a, the end, one end of workbench 1 has a hinged seat 7, the rear end of the cylinder block of hydraulic cylinder 6 be hinged on hinged seat 7 and hydraulic cylinder 6 can on horizontal plane, swing.Rolling wheel 4 in the present embodiment is arranged on mold 2 one side sidepieces, the side sidewall matching with rolling wheel 4 on mold 2 has the working face 2b of outwardly convex, this working face 2b is 3 sections of continuous curve surfaces that different arc surfaces forms, the end face of mold 2 has a guide rail 2a identical with the arc surface curvature of working face 2b, the cross section of guide rail 2a is made as inverted T shape, and the end, two ends of guide rail 2a respectively has a resigning hole 2c.In guide rail 2a, slide and be provided with two directive wheels 10, two directive wheels 10 and rolling wheel 4 are connected on a fixed head 3 jointly, two directive wheels 10 are connected on the bottom surface of fixed head 3 by bolt assembly 2 12, rolling wheel 4 is connected on the bottom surface of fixed head 3 by bolt assembly 1, on this fixed head 3, there is a holder 8, holder 8 is connected to by bolt 13 on the bottom surface of fixed head 3, and piston rod 6a one end is slidably connected in hydraulic cylinder 6, and the other end is hinged on holder 8.The two ends of guide rail 2a are also respectively provided with a limit switch 9, so that the stroke of directive wheel 10 is controlled.

With reference to Fig. 1, on working face 2b, there is a clamping seats 14 that can clamp pipe 5.

With reference to Fig. 2, on working face 2b, there is a groove 2d who arranges along horizontal direction, groove 2d has the loop concave one coordinating with pipe 5, and rolling wheel 4 has the loop concave two coordinating with pipe 5.Rolling wheel 4 and groove 2d match and can form the poroid concave surface of circle of a clamping pipe 5, can guarantee that in rolling process, pipe 5 can not deform.

The operation principle of the present embodiment is as follows: one end of straight tube-like pipe 5 as shown in Figure 3 is clamped on clamping seats 15, hydraulic cylinder 6 drives piston rod 6a to stretch out forward, piston rod 6a drives fixed head 3, directive wheel 10 and rolling wheel 4 travel forward, because working face 2b is identical with the curvature of guide rail 2a, rolling wheel 4 can bend to pipe 5 the continuous pipe fitting being comprised of 3 sections of different arc sections in the process of roll extrusion forward, arc section one 5a as shown in Figure 4, arc section two 5b and arc section three 5c, the radius of arc section one 5a is R1, the radius of arc section two 5b is R2, the radius of arc section three 5c is R3, 3 sections of arc section radius size in the present embodiment are different and home position is separately all not identical, in practical application, exist, pipe 5 also can bend to separately and have same Radius and the different continuous circular arc section of home position.

When the present embodiment is worked at bend pipe, hydraulic cylinder 6 will swing around the pin joint of itself and hinged seat 7 in horizontal plane, making to move the direction that rolling wheel 4 acts on the upper power of guide rail 2a is also changing, therefore the position of hinged seat 7 to make the axis of hydraulic cylinder 6 and angle and the variable angle amount of guide rail 2a face all as much as possible little, to reduce machine, use power, and extend the service life of mould guide rail.Hinged seat 7 in the present embodiment is at working face the 2b tangent plane of outwardly position and guide rail 2a between the tangent plane of outwardly position.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (6)

1. a multisection type bending machine, it is characterized in that, comprise workbench (1), mold (2), rolling wheel (4) and there is the hydraulic cylinder (6) of piston rod (6a), the cylinder body of described hydraulic cylinder (6) is hinged on workbench (1) above and can on horizontal plane, swings, one side sidewall of described mold (2) has the working face (2b) of an outwardly convex, described working face (2b) is the continuous curve surface that some sections of arc surfaces form, described rolling wheel (4) is arranged on a side sidepiece on mold (2) with working face (2b), the end face of described mold (2) has a guide rail (2a) identical with working face (2b) curvature, in described guide rail (2a), be provided with two directive wheels (10), two described directive wheels (10) and described rolling wheel (4) are connected on a fixed head (3) jointly, on described fixed head (3), there is a holder (8), described piston rod (6a) one end is slidably connected in hydraulic cylinder (6), the other end is hinged on holder (8).
2. multisection type bending machine according to claim 1, is characterized in that, has a groove (2d) arranging along horizontal direction on described working face (2b), and described groove (2d) has the loop concave one coordinating with pipe (5).
3. multisection type bending machine according to claim 2, is characterized in that, described rolling wheel (4) has the loop concave two coordinating with pipe (5).
4. according to the multisection type bending machine described in claim 1 or 2 or 3, it is characterized in that on described working face (2b), thering is a clamping seats (14) that can clamp pipe (5).
5. multisection type bending machine according to claim 1, is characterized in that, the cross section of described guide rail (2a) is inverted T shape, and the two ends of described guide rail (2a) respectively have the resigning hole (2c) that can put into directive wheel (10).
6. multisection type bending machine according to claim 5, is characterized in that, the two ends of described guide rail (2a) are respectively provided with a limit switch (9).
CN201420283801.9U 2014-05-29 2014-05-29 Multi-section type pipe bending machine CN203842979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420283801.9U CN203842979U (en) 2014-05-29 2014-05-29 Multi-section type pipe bending machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420283801.9U CN203842979U (en) 2014-05-29 2014-05-29 Multi-section type pipe bending machine

Publications (1)

Publication Number Publication Date
CN203842979U true CN203842979U (en) 2014-09-24

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CN201420283801.9U CN203842979U (en) 2014-05-29 2014-05-29 Multi-section type pipe bending machine

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290310A (en) * 2015-11-11 2016-02-03 无锡市福克斯煤矿机械制造有限公司 Universal forming roller for weaving hybrid chain
CN105436259A (en) * 2015-12-31 2016-03-30 苏州博阳能源设备有限公司 Bus bar bending and cutting-off device
CN107876592A (en) * 2016-02-24 2018-04-06 科森科技东台有限公司 Electronic product thin plate class stamping parts apparatus for correcting
CN108481717A (en) * 2018-04-23 2018-09-04 常州新创航空科技有限公司 A kind of carbon fiber construction forming method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290310A (en) * 2015-11-11 2016-02-03 无锡市福克斯煤矿机械制造有限公司 Universal forming roller for weaving hybrid chain
CN105290310B (en) * 2015-11-11 2017-11-07 无锡市福克斯煤矿机械制造有限公司 Work out the general shaping roller of combination chain
CN105436259A (en) * 2015-12-31 2016-03-30 苏州博阳能源设备有限公司 Bus bar bending and cutting-off device
CN107876592A (en) * 2016-02-24 2018-04-06 科森科技东台有限公司 Electronic product thin plate class stamping parts apparatus for correcting
CN108481717A (en) * 2018-04-23 2018-09-04 常州新创航空科技有限公司 A kind of carbon fiber construction forming method

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C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 317004, No. 811, Dongfang Avenue, Taizhou, Zhejiang

Patentee after: ZHEJIANG ZHENGTE CO., LTD.

Address before: 317004, No. 811, Dongfang Avenue, Taizhou, Zhejiang

Patentee before: Zhejiang Zhengte Group Co., Ltd.

C56 Change in the name or address of the patentee