CN209477003U - The bending machine of different size steel pipes can be processed - Google Patents

Abstract

The utility model belongs to the technical field of forming elbow, it is related to a kind of bending machine that different size steel pipes can be processed, it includes rack, rack is equipped with feed device and bending apparatus, bending apparatus includes pedestal and rotating seat, pedestal is equipped with first rotating shaft, first rotating shaft is arranged along the vertical direction, rotating seat and first rotating shaft are rotatablely connected, it which is provided with rotation clamping jaw, rotating clamping jaw includes lower clamping limb and upper clamping limb, it is recessed in the middle part of lower clamping limb, at semicircular lower groove, fovea superior in the middle part of upper clamping limb, at semicircular upper groove, mounting groove is offered on the inner wall of lower groove and upper groove, rotating clamping jaw further includes the backing plate being arranged in pairs, backing plate is in semi-circular, it is bonded respectively with the inner wall of lower groove and upper groove, mounting blocks are additionally provided on backing plate, mounting blocks and mounting groove are clamped；The utility model have conveniently and efficiently bending apparatus can be adjusted, in order to process different-diameter bend pipe effect.

Description

The bending machine of different size steel pipes can be processed

Technical field

The utility model relates to the technical fields of forming elbow, and the curved of different size steel pipes can be processed more particularly, to a kind of Pipe machine.

Background technique

During machine-building, it is often necessary to which straight tubing (such as round steel, square tube etc.) is bent to certain radius Arc-shaped, to meet the shield cage of cage ladder in requirement, such as oil-well rig boring tower.Curved method mainly has simmering and bending and clod wash Two kinds of techniques, wherein simmering and bending need fire roasting, not only complex technical process, but also operational security is low, so curved producing and processing Cold bending process is more used during pipe.

Currently, the Chinese patent that publication No. is CN103128145A discloses a kind of bending machine, it includes swan neck system, also Including clamping device, the swan neck system includes bending die and rotation fixing axle, and the bending die is fixed on the rotation and fixes It is rotated together on axis and with the rotation fixing axle, the bending die is equipped with clamping slot, and tubing is solid by the clamping device It is scheduled on the clamping slot of the bending die.

Prior art among the above has the following deficiencies: that specific bending die can only process the straight tube of special diameter Bending die is then needed replacing to process the straight tube of different-diameter at bend pipe.And for large and medium-sized bending machine, bend pipe Mould is more heavy, and dismounting is time-consuming and laborious, and needs adjustment accuracy again, trivial operations.

Utility model content

The purpose of the utility model is to provide a kind of bending machine that different size steel pipes can be processed, having can be conveniently fast Bending apparatus is adjusted in prompt ground, in order to process different-diameter bend pipe effect.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of bending machine that different size steel pipes can be processed, including rack, the rack are equipped with for conveying straight tube Feed device and bending apparatus for forming bend pipe, the bending apparatus includes pedestal and rotating seat, and the pedestal is equipped with First rotating shaft, first rotating shaft are arranged along the vertical direction, and the rotating seat and first rotating shaft are rotatablely connected, and rotating seat is equipped with rotation Clamping jaw, the rotation clamping jaw include lower clamping limb and upper clamping limb, and lower clamping limb and rotating seat are affixed, under lower clamping limb middle part Recessed, at semicircular lower groove, upper clamping limb one end and lower clamping limb are hinged, and the other end is detachably connected with lower clamping limb, on Fovea superior offers mounting groove at semicircular upper groove in the middle part of clamping limb on the inner wall of the lower groove and upper groove, rotates Clamping jaw further includes the backing plate being arranged in pairs, and the backing plate is in semi-circular, is bonded respectively with the inner wall of lower groove and upper groove, backing plate On be additionally provided with mounting blocks, the mounting blocks and mounting groove are clamped.

By using above-mentioned technical proposal, upper clamping limb is gone to around hinged end when being bonded with lower clamping limb, and upper groove is under Groove is spliced into complete circular hole, and the internal diameter of the circular hole is machinable diameter of steel tube；Mounting hole on backing plate is caught in peace In tankage, backing plate is made to be connected respectively with the inner wall of lower groove and upper groove, when upper clamping limb is bonded with lower clamping limb, the two it Between remain to form circular hole, bore inner diameter becomes smaller at this time, can be processed small diameter steel pipe；Backing plate is dismounted, it can be conveniently and efficiently Bending apparatus is adjusted, in order to process the bend pipe of different-diameter.

The utility model is further arranged to: the width of rebate of the mounting groove is less than slot bottom width.

By using above-mentioned technical proposal, the width of rebate of mounting groove is less than slot bottom width, and mounting blocks can be from mounting groove One end is caught in, and after being caught in can not along the radial line direction of lower groove (or upper groove) be detached from mounting groove, make backing plate be not easy from It falls off on lower clamping limb (or upper clamping limb).

The utility model is further arranged to: described mounting groove one end is equipped with postive stop baffle.

Mounting blocks are slided to and are offseted with postive stop baffle when backing plate is installed by using above-mentioned technical proposal, it can be fast Backing plate is accurately aligned by speed with the end face of lower clamping limb (or upper clamping limb).

The utility model is further arranged to: the mounting blocks and mounting groove are interference fitted, and mounting blocks are towards postive stop baffle One end is equipped with chamfering.

By using above-mentioned technical proposal, mounting blocks and mounting groove are interference fitted, and will be pacified using frictional force between the two Dress block is better secured in mounting groove；Chamfering is arranged towards one end of postive stop baffle in mounting blocks, so that mounting blocks are at this Size is less than mounting groove, is caught in mounting groove convenient for guidance mounting blocks.

The utility model is further arranged to: the backing plate also offers mounting groove backwards to mounting blocks side.

By using above-mentioned technical proposal, mounting groove is opened up on the inside of backing plate, convenient for continuing to add backing plate, so as to process More various sizes of steel pipes.

The utility model is further arranged to: described lower clamping limb one end is provided with articulated shaft, and articulated shaft is parallel to straight tube Setting, the upper clamping limb and lower clamping limb are hingedly that upper clamping limb and articulated shaft are rotatablely connected, and the lower clamping limb is cut with scissors backwards Spindle one end rotating turret is equipped with the second shaft, is connected with bolt in the second shaft, the upper clamping limb is opened backwards to articulated shaft one end Equipped with card slot, the bolt is arranged with nut, the nut and upper clamping limb are backwards to lower clamping limb in card slot on bolt Side offsets.

By using above-mentioned technical proposal, bolt one end and the second shaft are affixed, and the other end is arranged nut, and nut with it is upper The upper surface of clamping limb offsets, then tightening nut can be such that clamping limb is close to lower clamping limb, and the two is relatively fixed；Setting the Bolt is connect by two shafts with lower clamping limb, without individually storing screw bolt and nut, can be used at any time, convenient and efficient；It opens If card slot, it is caught in convenient for bolt rotation, in the case where bolt one end is connect with lower clamping limb, remains to bolt across upper clamping Arm.

The utility model is further arranged to: the feed device includes stationary jaw and conveying cylinder, the fixing clamp Pawl is slidably arranged in rack referring to rotation clamping jaw setting, stationary jaw, and conveying cylinder is affixed with rack, conveys the piston of cylinder Bar is parallel to straight tube setting, and is connected with stationary jaw, and feed device further includes limit base, and the limit base is located at rotating seat court To stationary jaw side, sliding is set there are two limited block on limit base, and two limited blocks are located at straight tube two sides, on limit base Also rotating turret is equipped with screw rod, and the screw rod is arranged in the horizontal direction on two limited blocks, and screw rod one end is equipped with left hand thread, The other end is equipped with right-handed thread, is threadedly engaged respectively with two limited blocks.

By using above-mentioned technical proposal, conveys cylinder and push stationary jaw mobile towards bending apparatus, and stationary jaw One end that straight tube is not processed clamps, and using frictional force between the two, moves straight tube with constant speed with stationary jaw It is dynamic, and be transported to bending apparatus and processed；Limit base is located at rotating seat towards stationary jaw side, thereon two limited blocks Straight tube two sides are located at, move straight tube can not along the direction vertical with own axes at this, then bending apparatus is forming When bend pipe, the straight tube bending deformation between limit base and stationary jaw not will drive；Stationary jaw is arranged referring to rotation clamping jaw, The size of upper through-hole also can be changed, and to cooperate the steel pipe of different-diameter, and limited block is slidably arranged on limit base, screw screw rod Two limited blocks can be made mutually to draw close or deviate from, be adapted its spacing with the diameter of steel pipe.

The utility model is further arranged to: the limited block is equipped with runner, the runner towards straight tube side rotating turret It is arranged along the vertical direction, and indent in the middle part of runner, side wall are arc-shaped.

By using above-mentioned technical proposal, runner is set up on limited block and the side wall of straight tube offsets, straight tube is limited While position, straight tube is also significantly reduced by frictional force suffered between limited block, mitigates the load of conveying cylinder；In runner Portion's indent also can hold up upwards straight tube while resisting straight tube, and cooperation stationary jaw and rotation clamping jaw make straight tube keep flat Directly.

The utility model is further arranged to: the rotating seat is equipped with support rod, the support backwards to first rotating shaft one end Bar is arranged along the vertical direction, and supporting bar top is affixed with rotating seat, and bottom end is equipped with universal wheel.

By using above-mentioned technical proposal, support rod is supported rotating seat backwards to shaft one end, and cooperation shaft makes to revolve Swivel base uniform force.

The utility model is further arranged to: heating ring is equipped between the limit base and bending apparatus, straight tube is arranged in It heats in ring.

By using above-mentioned technical proposal, straight tube is heated ring heating and softening after passing through limit base, and it is curved to be conducive to straight tube Song deformation is avoided as much as straight tube and generates internal wrinkles in forming process and collapse.

In conclusion the advantageous effects of the utility model are as follows:

1, conveniently and efficiently bending apparatus can be adjusted, in order to process the bend pipe of different-diameter；

2, straight tube can be steadily conveyed, thus by straight tube bending at the arc-shaped of standard, and straight tube is during bending It is not easy internal wrinkles or collapses, Forming Quality is good.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is in embodiment for embodying the structural schematic diagram of limit base；

Fig. 3 is in embodiment for embodying the structural schematic diagram of bending apparatus；

Fig. 4 is in embodiment for embodying the structural schematic diagram of rotation clamping jaw；

Fig. 5 is in embodiment for embodying the structural schematic diagram of backing plate.

In figure, 1, rack；2, feed device；3, bending apparatus；4, ring is heated；5, straight tube；21, stationary jaw；22, it conveys Cylinder；23, limit base；24, limited block；25, screw rod；26, runner；27, motor；31, pedestal；32, rotating seat；33, first turn Axis；34, clamping jaw is rotated；35, support rod；36, universal wheel；341, lower clamping limb；342, upper clamping limb；343, lower groove；344, Upper groove；345, mounting groove；346, backing plate；347, mounting blocks；348, postive stop baffle；349, articulated shaft；3410, the second shaft； 3411, bolt；3412, card slot；3413, nut.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

It referring to Fig.1, is a kind of bending machine that different size steel pipes can be processed disclosed by the utility model, including strip Rack 1, one end is equipped with bending apparatus 3 in rack 1, and rack 1 is equipped with feed device 2.Straight tube 5 to be processed is parallel with rack 1, It is erected on feed device 2, and is transported at bending apparatus 3 and processes.

Referring to Fig.1, feed device 2 includes conveying cylinder 22, stationary jaw 21 and limit base 23.Wherein, cylinder 22 is conveyed Far from one end of bending apparatus 3 in rack 1, affixed with rack 1, piston rod is parallel with rack 1, and stationary jaw 21 is then slided It is dynamic to be arranged in rack 1 and affixed with piston rod.

Stationary jaw 21 clamps straight tube 5, when the piston rod of conveying cylinder 22 pushes stationary jaw 21 towards bending apparatus 3 When mobile, straight tube 5 is also transported at bending apparatus 3 with constant speed and is processed.

Referring to Figures 1 and 2, limit base 23 is adjacent with bending apparatus 3 between stationary jaw 21 and bending apparatus 3.Limit Sliding is set there are two limited block 24 on the seat 23 of position, and two limited blocks 24 are located at 5 two sides of straight tube, glide direction and straight tube 5 Axis it is vertical.

Referring to Fig. 2, rotating turret is equipped with screw rod 25 on limit base 23, for driving two limited blocks 24 to slide.25 edge of screw rod Horizontal direction passes through the bottom of two limited blocks 24, and vertical with straight tube 5, and one end is equipped with left hand thread, and the other end is equipped with the right side Screw thread is revolved, is threadedly engaged respectively with two limited blocks 24.Motor 27 is additionally provided in rack 1, arbor is connected with screw rod 25.

Motor 27 drives screw rod 25 to rotate, and slides two limited blocks 24 on screw rod 25, and the cunning of two limited blocks 24 Move contrary, the two is mutually drawn close or deviated from.

Referring to Fig. 2, limit base 23 is equipped with runner 26 towards 5 side rotating turret of straight tube, and runner 26 is arranged along the vertical direction, Middle part indent, side wall are arc-shaped.When straight tube 5 passes through limit base 23, two sides offset with two runners 26 respectively, and are held on and turn Take turns 26 bottoms.While runner 26 is supported straight tube 5, is rotated with the movement of straight tube 5, make 5 friction of straight tube very It is small.

It is equipped with copper referring to Fig. 2, between limit base 23 and bending apparatus 3 and heats ring 4, straight tube 5 is arranged in heating ring 4, It is heated to soften before entering bending apparatus 3, it can be preferably by 3 moulding of bending apparatus.

Referring to Fig. 3, bending apparatus 3 includes pedestal 31, first rotating shaft 33, rotating seat 32 and rotation clamping jaw 34.Wherein, pedestal 31 is affixed with 1 end face of rack, and first rotating shaft 33 is arranged vertically on pedestal 31.Rotating seat 32 is whole elongated, with Straight tube 5 is vertical, bends towards one end of first rotating shaft 33, and rotates and be set in first rotating shaft 33, and rotation clamping jaw 34 is arranged In 32 middle section of rotating seat, and it is coaxial with straight tube 5.

Clamping jaw 34 is rotated by steel tube clamping to be processed, pushes rotating seat 32 to rotate around first rotating shaft 33 at this time, rotating clamp Pawl 34 also moves in a circle therewith, cooperates 2 conveying steel pipe of feed device, steel pipe is bent to quadrant arc, and form Elbow radius afterwards is equal to rotation the distance between clamping jaw 34 and first rotating shaft 33.In the process, feed device 2(is referring to figure 1) speed of conveying steel pipe is equal to the linear velocity that rotation clamping jaw 34 rotates.

Referring to Fig. 4, rotation clamping jaw 34 includes lower clamping limb 341 and upper clamping limb 342, and lower clamping limb 341 is fixed in rotation Seat 32(reference Fig. 3) on, and along rotating seat 32(referring to the length direction setting of Fig. 3), both ends horizontal, recessed middle part is semicircle The lower groove 343 of shape.Upper clamping limb 342 is symmetrical arranged with lower clamping limb 341, and middle part fovea superior is semicircular upper groove 344, And upper groove 344 is aligned with lower groove 343.

When upper clamping limb 342 is bonded with lower clamping limb 341, upper groove 344 is spliced into the circle of completion with lower groove 343 Through-hole, the internal diameter of the through-hole are the diameter of steel pipe to be processed.

Referring to Fig. 4, lower 341 one end of clamping limb is provided with articulated shaft 349, and articulated shaft 349 and straight tube 5(are flat referring to Fig. 3) Row, upper 342 one end of clamping limb rotation are set on articulated shaft 349, are rotatablely connected with lower clamping limb 341.

Referring to Fig. 4, lower clamping limb 341 is equipped with the second shaft 3410, and second turn backwards to one end rotating turret of articulated shaft 349 Axis 3410 is parallel with articulated shaft 349, and two bolts 3411, bolt 3411 and the second shaft 3410 are connected in the second shaft 3410 Vertically, it is rotated with the second shaft 3410.Upper clamping limb 342 offers twice card slot on the end face of 349 one end of articulated shaft 3412, card slot 3412 is arranged along the vertical direction, is aligned respectively with two bolts 3411, in addition, being also arranged with spiral shell on bolt 3411 Mother 3413.

Rotating bolt 3411 is caught in it in card slot 3412, then tightening nut 3413, makes nut 3413 and upper clamping limb 342 upper surface offsets, can be affixed by upper clamping limb 342 and lower clamping limb 341.Loosening nut 3413, until bolt 3411 It can rotate backward to card slot 3412 and be detached from, one end of upper clamping limb 342 can be discharged, rotate it around the other end, by steel Pipe takes out.

Referring to Fig. 4 and Fig. 5, rotation clamping jaw 34 further includes the backing plate 346 being arranged in pairs, and backing plate 346 is in semi-circular, respectively with Lower clamping limb 341 and upper clamping limb 342 are detachably connected, and outer diameter is equal to the internal diameter of lower groove 343 and upper groove 344, and divides Inner wall not with lower groove 343 and upper groove 344 is affixed.

After adding backing plate 346 on lower clamping limb 341 and upper clamping limb 342, the through-hole internal diameter formed when the two is closed up becomes It is small, equal to the internal diameter of backing plate 346, can be used for processing the steel pipe of corresponding diameter at this time, no replacement is required bending apparatus 3(is referring to Fig. 3).

Referring to Fig. 4 and Fig. 5, two mounting grooves 345 are offered on the inner wall of lower groove 343, mounting groove 345 is along lower groove The elongated setting of 343 axis direction, one end are connected with postive stop baffle 348.Backing plate 346 is installed with towards 343 side of lower groove The shape of mounting blocks 347, mounting blocks 347 is identical as mounting groove 345, and the length that length is equal to mounting groove 345 subtracts limiting block The thickness of plate 348.

Mounting blocks 347 are slid into from the open one end of mounting groove 345, until offseting with postive stop baffle 348, by backing plate 346 It is linked together with lower clamping limb 341.

Referring to Fig. 4 and Fig. 5, the width of rebate of mounting groove 345 is less than slot bottom width, when mounting blocks 347 are embedded in mounting groove 345 It when interior, can not be moved along the axis direction of lower groove 343, backing plate 346 and lower clamping limb 341 are stably connected with.

Referring to Fig. 4 and Fig. 5, mounting blocks 347 and mounting groove 345 are interference fitted, using it between 345 inner wall of mounting groove Frictional force can make mounting blocks 347 be not easy to be spontaneously decoupled out of mounting groove 345.Mounting blocks 347 towards postive stop baffle 348 one End is equipped with chamfering, and convenient for being aligned mounting blocks 347 with mounting groove 345, guidance mounting blocks 347 are caught in mounting groove 345.

Referring to Fig. 5, backing plate 346 also offers two mounting grooves 345 backwards to 347 side of mounting blocks, in backing plate 346 Backing plate 346 is added in side, continues the diameter for changing machinable steel pipe.

Upper groove 344 is arranged referring to lower groove 343, and therefore not to repeat here.Stationary jaw 21 is arranged referring to rotation clamping jaw 34, Therefore not to repeat here.

Referring to Fig. 3, rotating seat 32 is equipped with support rod 35 backwards to shaft one end, and support rod 35 is arranged along the vertical direction, is located at 32 lower section of rotating seat, supports.35 top of support rod and rotating seat 32 are affixed, and bottom end is hinged with universal wheel 36, with rotation Swivel base 32 rotates.

The implementation principle of above-described embodiment are as follows:

Backing plate 346 is added or subtracted on stationary jaw 21 and rotation clamping jaw 34, subtracts the internal diameter of the two middle through-hole Small or increase.Motor 27 is opened simultaneously, and driving screw rod 25 rotates, and the spacing of two runners 26 on limit base 23 is adjusted, with steel The diameter of pipe is adapted.The steel pipe of different-diameter may finally be processed.

The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (10)

1. a kind of bending machine that different size steel pipes can be processed, including rack (1), the rack (1) is equipped with straight for conveying The feed device (2) and bending apparatus (3) for forming bend pipe for managing (5), it is characterised in that: the bending apparatus (3) includes Pedestal (31) and rotating seat (32), the pedestal (31) are equipped with first rotating shaft (33), and first rotating shaft (33) is set along the vertical direction It sets, the rotating seat (32) and first rotating shaft (33) are rotatablely connected, and rotating seat (32) is equipped with rotation clamping jaw (34), the rotation Clamping jaw (34) includes lower clamping limb (341) and upper clamping limb (342), and lower clamping limb (341) and rotating seat (32) are affixed, lower clamping It is recessed in the middle part of arm (341), at semicircular lower groove (343), upper clamping limb (342) one end and lower clamping limb (341) hingedly, separately One end is detachably connected with lower clamping limb (341), fovea superior in the middle part of upper clamping limb (342), at semicircular upper groove (344), institute It states and is offered on the inner wall of lower groove (343) and upper groove (344) mounting groove (345), rotation clamping jaw (34) further includes pairs of The backing plate (346) of setting, the backing plate (346) are in semi-circular, are pasted respectively with the inner wall of lower groove (343) and upper groove (344) It closes, is additionally provided with mounting blocks (347) on backing plate (346), the mounting blocks (347) and mounting groove (345) are clamped.

2. the bending machine according to claim 1 that different size steel pipes can be processed, it is characterised in that: the mounting groove (345) width of rebate is less than slot bottom width.

3. the bending machine according to claim 2 that different size steel pipes can be processed, it is characterised in that: the mounting groove (345) one end is equipped with postive stop baffle (348).

4. the bending machine according to claim 3 that different size steel pipes can be processed, it is characterised in that: the mounting blocks (347) it is interference fitted with mounting groove (345), mounting blocks (347) are equipped with chamfering towards postive stop baffle (348) one end.

5. the bending machine according to claim 4 that different size steel pipes can be processed, it is characterised in that: the backing plate (346) Mounting groove (345) are also offered backwards to mounting blocks (347) side.

6. the bending machine according to claim 5 that different size steel pipes can be processed, it is characterised in that: the lower clamping limb (341) one end is provided with articulated shaft (349), and articulated shaft (349) is parallel to straight tube (5) setting, and the upper clamping limb (342) is under Clamping limb (341) is hingedly rotatablely connected for upper clamping limb (342) and articulated shaft (349), and the lower clamping limb (341) is backwards to hinged Axis (349) one end rotating turret is equipped with the second shaft (3410), is connected with bolt (3411) in the second shaft (3410), the upper folder Gripping arm (342) offers card slot (3412) backwards to articulated shaft (349) one end, and the bolt (3411) is interior embedded in card slot (3412), It is arranged on bolt (3411) nut (3413), the nut (3413) and upper clamping limb (342) are backwards to lower clamping limb (341) Side offsets.

7. the bending machine according to claim 6 that different size steel pipes can be processed, it is characterised in that: the feed device It (2) include stationary jaw (21) and conveying cylinder (22), the stationary jaw (21) is referring to rotation clamping jaw (34) setting, fixing clamp Pawl (21) is slidably arranged on rack (1), conveys cylinder (22) and rack (1) is affixed, the piston rod for conveying cylinder (22) is parallel It is arranged in straight tube (5), and is connected with stationary jaw (21), feed device (2) further includes limit base (23), the limit base (23) Positioned at rotating seat (32) towards stationary jaw (21) side, sliding sets that there are two limited block (24), two limits on limit base (23) Position block (24) is located at straight tube (5) two sides, rotating turret is gone back on limit base (23) equipped with screw rod (25), the screw rod (25) is along water Square to being arranged on two limited blocks (24), and screw rod (25) one end is equipped with left hand thread, and the other end is equipped with right-handed thread, point It is not threadedly engaged with two limited blocks (24).

8. the bending machine according to claim 7 that different size steel pipes can be processed, it is characterised in that: the limited block (24) Runner (26) are equipped with towards straight tube (5) side rotating turret, the runner (26) is arranged along the vertical direction, and in runner (26) middle part Recessed, side wall is arc-shaped.

9. the bending machine according to claim 8 that different size steel pipes can be processed, it is characterised in that: the rotating seat (32) Support rod (35) are equipped with backwards to first rotating shaft (33) one end, the support rod (35) is arranged along the vertical direction, support rod (35) top End is affixed with rotating seat (32), and bottom end is equipped with universal wheel (36).

10. the bending machine according to claim 9 that different size steel pipes can be processed, it is characterised in that: the limit base (23) heating ring (4) is equipped between bending apparatus (3), straight tube (5) is arranged in heating ring (4).