CN210146717U

CN210146717U - Pipe bending device

Info

Publication number: CN210146717U
Application number: CN201921030195.9U
Authority: CN
Inventors: 孟庆宇
Original assignee: Hebei Zhongran Pipeline Co Ltd
Current assignee: Hebei Zhongran Pipeline Co Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-03-17
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a pipe bending device, including pneumatic cylinder and the corner of detachably setting on the pneumatic cylinder, the bottom of pneumatic cylinder is provided with the backup pad, and the top of backup pad is provided with the clamp plate that can overturn, the backup pad with clearance department between the clamp plate is provided with the turning block, and the setting of turning block is corresponding the position of corner both sides, backup pad all are provided with the locating hole that is used for adjusting the turning block position with the both sides of clamp plate, and the upper end of turning block is provided with the positioning joint, and the lower extreme is provided with the bayonet joint, and the bottom of backup pad is provided with the supporting leg that can. The utility model discloses a set the clamp plate to can turn over the book to set up the positioning joint at the top of changeing the piece, realize clamp plate and the connection and the dismantlement of changeing the piece through the adjustment spacing ring, both played the fixed action to the clamp plate, conveniently change the mounted position of changeing the piece again, it is very convenient to operate, labour saving and time saving, and can accomodate the setting of supporting leg, saved the bending machine and depositing the space that occupies, and it is more convenient to carry.

Description

Pipe bending device

Technical Field

The utility model relates to a return bend equipment technical field especially relates to a pipe bending device.

Background

The bending machine roughly can be divided into numerical control bending machine and hydraulic pressure bending machine, hydraulic pressure bending machine is as a very light swan neck system, it has the flexible operation, the characteristics that conveniently moves, however, some bending machines of current, its turning block is installed the back between backup pad and clamp plate usually, it dies to reuse the bolt lock, when needs adjustment return bend angle change turning block position, the dismouting work of turning block is extremely loaded down with trivial details, bring inconvenience for operating personnel, and traditional bending machine, its supporting leg position is fixed, when depositing the bending machine, firstly demolish the supporting leg and deposit alone, secondly take the supporting leg directly to place, but these two kinds of storage methods still dye and all can occupy great space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a pipe bending device to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a pipe bending device comprises a hydraulic cylinder and a pipe bending head detachably arranged on the hydraulic cylinder, wherein a supporting plate is arranged at the bottom of the hydraulic cylinder, a turnover pressing plate is arranged above the supporting plate, a rotating block is arranged at a gap between the supporting plate and the pressing plate and is arranged at a position corresponding to two sides of the pipe bending head, a plurality of positioning holes for adjusting the positions of the rotating blocks are formed in two sides of the supporting plate and two sides of the pressing plate, and the positioning holes are arranged in a direction towards the pipe bending head in an inclined mode;

the upper end and the lower end of the rotating block are respectively inserted into the positioning holes, the lower end of the rotating block is provided with a plug connector, the upper end of the rotating block is provided with a positioning connector, and the plug connector and the positioning connector are matched with the positioning holes;

the positioning joint comprises a boss penetrating through a positioning hole in the pressing plate, the top of the boss is provided with a boss, the diameter of the boss is smaller than that of the boss, a limiting ring is sleeved at the boss, the outer diameter of the limiting ring is the same as that of the boss, the inner diameter of the limiting ring is larger than that of the boss, a gap is formed between the lower end surface of the limiting ring and the top surface of the pressing plate, the top of the boss is provided with a locking cap, and the diameter of the locking cap is the same as that of the boss;

the bottom of the supporting plate is provided with a supporting leg which can be stored.

Furthermore, the locking cap with boss threaded connection, the lower extreme of locking cap is provided with the threaded rod, the top of boss be provided with the screw thread blind hole of threaded rod looks adaptation.

Furthermore, the working end of the hydraulic cylinder is provided with a mounting plate, a piston rod of the hydraulic cylinder penetrates through the mounting plate, the pipe corner is inserted into the end part of the piston rod, and the supporting plate is fixedly arranged at the bottom of the mounting plate.

Furthermore, the end part of the piston rod on the hydraulic cylinder is provided with a blocking edge, the elbow head is provided with a clamping groove with a T-shaped section, and the blocking edge and a part of the piston rod are inserted in the clamping groove.

Furthermore, vertical plates are arranged on two sides of one end, far away from the hydraulic cylinder, of the supporting plate, and the pressing plate is hinged between the vertical plates.

Further, the supporting leg is provided with three, and three supporting leg is followed the circumference equipartition of backup pad.

Furthermore, the bottom of backup pad is provided with the mount pad in the position that corresponds each supporting leg, the one end of supporting leg with the mount pad is articulated.

Furthermore, the bottom of the supporting plate is also provided with a clamping seat at the position corresponding to each supporting leg, a clamping groove is formed in the clamping seat, and the folded supporting legs are inserted into the clamping groove.

Further, the supporting leg is including turning over a pole and shrink pole, turn over the one end of a pole with the mount pad is articulated, turns over and is provided with the cavity in the pole, the setting that shrink pole activity from top to bottom is in the cavity, one side of shrink pole upper end is provided with the mounting groove, it is protruding to have the card through spring coupling in the mounting groove, under the natural state, the protruding outside that is located the mounting groove of card, turn over the upper and lower both ends of a pole be provided with respectively with the jack of the protruding looks adaptation of card.

Further, the clamping seat is made of rubber.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses a set the clamp plate to can turn over the book to set up the positioning joint at the top of changeing the piece, realize clamp plate and the connection and the dismantlement of changeing the piece through the adjustment spacing ring, both played the fixed action to the clamp plate, conveniently change the mounted position of changeing the piece again, it is very convenient to operate, labour saving and time saving, and can accomodate the setting of supporting leg, saved the bending machine and depositing the space that occupies, and it is more convenient to carry.

Drawings

Fig. 1 is a schematic view of a front side view angle three-dimensional structure of the embodiment of the present invention;

FIG. 2 is a schematic view of a rear side view angle of the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a connection of a rotary block according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

figure 5 is a schematic top view of a connection between a hydraulic cylinder and a corner according to an embodiment of the present invention;

FIG. 6 is a schematic view of a bottom plane structure of a supporting plate according to an embodiment of the present invention;

fig. 7 is a schematic view of a cross-sectional structure of a support leg according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-7, the pipe bending apparatus according to this embodiment includes a hydraulic cylinder 1 and a corner 2 detachably disposed on the hydraulic cylinder 1, a support plate 3 is disposed at the bottom of the hydraulic cylinder 1, a reversible press plate 4 is disposed above the support plate 3, a rotating block 5 is disposed at a gap between the support plate 3 and the press plate 4, the rotating block 6 is disposed at a position corresponding to two sides of the corner 2, a plurality of positioning holes 6 for adjusting the positions of the rotating block 5 are disposed on two sides of the support plate 3 and two sides of the press plate 4, and the positioning holes 6 are disposed in an inclined direction toward the corner 2;

the hydraulic cylinder 1 takes a motor as a power source, pressure oil is output through a bidirectional gear pump and is controlled by an oil circuit manifold block to reach an oil cylinder, and the reciprocating motion of a piston rod is realized;

the upper end and the lower end of the rotating block 5 are respectively inserted into the positioning holes 6, the lower end of the rotating block 5 is provided with a plug-in connector 51, the upper end of the rotating block 5 is provided with a positioning connector 52, and the plug-in connector 51 and the positioning connector 52 are matched with the positioning holes 6;

the positioning joint 52 comprises a boss 521 penetrating through the positioning hole 6 on the pressure plate 4, a boss 522 is arranged at the top of the boss 521, the diameter of the boss 522 is smaller than that of the boss 521, a limit ring 523 is sleeved at the boss 522, the outer diameter of the limit ring 523 is the same as that of the boss 521, the inner diameter of the limit ring 523 is larger than that of the boss 522, a gap is arranged between the lower end surface of the limit ring 523 and the top surface of the pressure plate 4, a locking cap 524 is arranged at the top of the boss 522, and the diameter of the locking cap 524 is the same as that of the boss 521;

the bottom of the supporting plate 3 is provided with a support leg 7 which can be accommodated.

The locking cap 524 is in threaded connection with the boss 522, a threaded rod 525 is arranged at the lower end of the locking cap 524, and a threaded blind hole matched with the threaded rod 525 is formed in the top of the boss 522.

When the position of the rotating block 5 needs to be adjusted, the locking cap 524 is loosened, the limiting ring 523 is adjusted to move to the position coaxial with the boss 521, the locking cap 524 is screwed down, the pressing plate 4 is rotated to be lifted, the rotating block 5 is placed in the corresponding positioning hole 6 according to the required pipe bending angle, the pressing plate 4 is covered, the locking cap 524 is loosened again, the limiting ring 523 is shifted to the eccentric position, the center of the limiting ring 523 is deviated from the center of the boss 521, the locking cap 524 is screwed down again, the limiting ring 523 is clamped between the locking cap 524 and the boss 521, the limiting ring 523 extends outwards to the outer side, so that the overall size of the positioning joint 52 is larger than that of the positioning hole 6, the pressing plate 4 cannot be lifted, the rotating block 5 is fixed between the clamping plate 4 and the supporting plate 3, and the rotating block 5 can be disassembled without disassembling the positioning joint 52, compared with the use of nuts and nuts, the structure is not easy to cause the loss of parts, and the disassembly and the assembly are more convenient.

The working end of pneumatic cylinder 1 is provided with mounting panel 11, and the piston rod of pneumatic cylinder 1 passes mounting panel 11, and the tip at the piston rod is pegged graft to corner 2, and backup pad 3 sets firmly in the bottom of mounting panel 11, and backup pad 3 is in the same place with the mounting panel 11 welding.

The end of the piston rod on the hydraulic cylinder 1 is provided with a blocking edge 12, the corner 2 is provided with a clamping groove with a T-shaped section, and the blocking edge 12 and a part of the piston rod are inserted into the clamping groove, so that the insertion mode ensures that the corner 2 is fixed in position after installation, does not move, is more convenient to disassemble, and is convenient to replace corners 2 with different specifications.

The both sides of backup pad 3 in the one end of keeping away from pneumatic cylinder 1 are provided with riser 31, and clamp plate 4 articulates between riser 31, is provided with the pivot between riser 31, and the pivot passes one side of clamp plate 4.

The supporting legs 7 are three, and the three supporting legs 7 are uniformly distributed along the circumferential direction of the supporting plate 3.

The bottom of the supporting plate 3 is provided with a mounting seat 32 at a position corresponding to each supporting leg 7, and one end of each supporting leg 7 is hinged with the mounting seat 32.

The bottom of the supporting plate 3 is also provided with a clamping seat 33 at the position corresponding to each supporting leg 7, a clamping groove is arranged on the clamping seat 33, and the supporting legs 7 after being turned over are inserted in the clamping groove.

The supporting leg 7 comprises a folding rod 71 and a contraction rod 72, one end of the folding rod 72 is hinged to the mounting seat 32, a cavity 73 is formed in the folding rod 71, the contraction rod 72 can be movably arranged in the cavity 73 up and down, a mounting groove is formed in one side of the upper end of the contraction rod 72, a clamping protrusion 75 is connected to the mounting groove through a spring 74, the clamping protrusion 75 is located on the outer side of the mounting groove in a natural state, and insertion holes 76 matched with the clamping protrusion 75 are formed in the upper end and the lower end of the folding rod 71 respectively.

Preferably, the holder 33 is made of rubber.

When the supporting leg 7 is used, the contraction rod 72 is pulled out of the turnover rod 71, the clamping protrusion 75 on the contraction rod 72 is inserted into the insertion hole 76 located below, at the moment, the supporting leg 7 integrally extends out, the support can be supported on the ground after turnover, when the storage is needed, the clamping protrusion 75 is pressed to enter the installation groove, then the contraction rod 72 is moved upwards, when the clamping protrusion 75 on the contraction rod 72 moves into the insertion hole 76 at the upper end, the clamping protrusion 75 extends out of the insertion hole 76 at the upper end under the action of the spring 74, at the moment, the contraction rod 72 is integrally stored into the cavity 73 in the turnover rod 71, then the turnover rod 71 is rotated to turn over to one side of the bottom surface of the supporting plate 3 and is connected to the clamping seat 33 in a clamping manner, the storage work of the supporting leg 7 is completed, the storage is convenient and rapid, and the storage space is saved.

The utility model discloses a theory of operation does: placing the steel pipe in the clearance department between corner 2 and commentaries on classics piece 5, then starting pneumatic cylinder 1, under the promotion of piston rod on pneumatic cylinder 1, corner 2 can push the steel pipe and remove, because the both sides of return bend are restricted by commentaries on classics piece 5, so the steel pipe can take place to buckle, after buckling to required angle, the pneumatic cylinder 1 of stopping transport to make its piston rod shrink, at last take off the steel pipe can.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a tube bending device which characterized in that: the corner bending device comprises a hydraulic cylinder and a corner which is detachably arranged on the hydraulic cylinder, wherein a supporting plate is arranged at the bottom of the hydraulic cylinder, a turnover pressing plate is arranged above the supporting plate, a rotating block is arranged at a gap between the supporting plate and the pressing plate and is arranged at a position corresponding to two sides of the corner, a plurality of positioning holes for adjusting the positions of the rotating blocks are arranged on two sides of the supporting plate and two sides of the pressing plate, and the positioning holes are obliquely arranged towards the corner;

2. The pipe bending apparatus according to claim 1, wherein: the locking cap with boss threaded connection, the lower extreme of locking cap is provided with the threaded rod, the top of boss be provided with the screw thread blind hole of threaded rod looks adaptation.

3. The pipe bending apparatus according to claim 1, wherein: the working end of the hydraulic cylinder is provided with a mounting plate, a piston rod of the hydraulic cylinder penetrates through the mounting plate, the pipe corner is inserted into the end part of the piston rod, and the supporting plate is fixedly arranged at the bottom of the mounting plate.

4. A pipe bending apparatus according to claim 3, wherein: the end part of the piston rod on the hydraulic cylinder is provided with a blocking edge, the elbow joint is provided with a clamping groove with a T-shaped section, and the blocking edge and a part of the piston rod are inserted in the clamping groove.

5. A pipe bending apparatus according to claim 3, wherein: vertical plates are arranged on two sides of one end, far away from the hydraulic cylinder, of the supporting plate, and the pressing plate is hinged between the vertical plates.

6. The pipe bending apparatus according to claim 1, wherein: the supporting leg is provided with threely, and three supporting leg is followed the circumference equipartition of backup pad.

7. The pipe bending apparatus according to claim 6, wherein: the bottom of backup pad is provided with the mount pad in the position that corresponds each supporting leg, the one end of supporting leg with the mount pad is articulated.

8. The pipe bending apparatus according to claim 7, wherein: the bottom of the supporting plate is also provided with a clamping seat at the position corresponding to each supporting leg, the clamping seat is provided with a clamping groove, and the supporting legs after being turned over are inserted in the clamping groove.

9. The pipe bending apparatus according to claim 8, wherein: the supporting leg is including turning over a pole and shrink pole, the one end that turns over a pole with the mount pad is articulated, turns over and is provided with the cavity in the pole, the setting that shrink pole activity from top to bottom is in the cavity, one side of shrink pole upper end is provided with the mounting groove, there is the card protruding through spring coupling in the mounting groove, under the natural state, the card protruding is located the outside of mounting groove, turn over the upper and lower both ends of a pole be provided with respectively with the jack of the protruding looks adaptation of card.

10. The pipe bending apparatus according to claim 8, wherein: the clamping seat is made of rubber.