阅读说明：本技术 一种建筑工程用圆管弯管装置 (Pipe bending device for building engineering ) 是由 罗耀谊 于 2021-07-05 设计创作，主要内容包括：本发明属于建筑弯管技术领域,尤其是涉及一种建筑工程用圆管弯管装置,包括底板和推送机构,推送机构连接在底板的上端,底板的前后侧壁上均转动连接有与地面接触的滚轮,底板的上端固定连接有液压杆,且液压杆的伸缩端固定连接有支撑板,支撑板的上端固定连接有多根竖直的支杆,且多根支杆的上端固定连接有同一个矩形框架,矩形框架的内壁上固定连接有两个相对的U形支架,U形支架的槽口内设置有可移动的压弯机构,U形支架两侧的矩形框架上端均设置有用于承载和输送管件的导向限位机构。本发明在对不同尺寸的管件进行弯管操作时,可以进行快速的更换以满足不同尺寸管件的使用,增加了装置弯管的适用范围,并且相对提高了弯管的效率。(The invention belongs to the technical field of building pipe bending, and particularly relates to a circular pipe bending device for building engineering, which comprises a bottom plate and a pushing mechanism, wherein the pushing mechanism is connected to the upper end of the bottom plate, rollers which are contacted with the ground are rotatably connected to the front side wall and the rear side wall of the bottom plate, a hydraulic rod is fixedly connected to the upper end of the bottom plate, a supporting plate is fixedly connected to the telescopic end of the hydraulic rod, a plurality of vertical supporting rods are fixedly connected to the upper end of the supporting plate, the upper ends of the supporting rods are fixedly connected with the same rectangular frame, two opposite U-shaped supports are fixedly connected to the inner wall of the rectangular frame, a movable bending mechanism is arranged in a notch of each U-shaped support, and guide limiting mechanisms for bearing and conveying pipe fittings are arranged at the upper ends of the rectangular frames on the two sides of the U-shaped supports. When the pipe bending device is used for bending the pipe fittings with different sizes, the pipe fittings with different sizes can be quickly replaced to meet the use requirements of the pipe fittings with different sizes, the application range of the pipe bending device is enlarged, and the pipe bending efficiency is relatively improved.)

1. A circular tube bending device for constructional engineering comprises a bottom plate (1) and a pushing mechanism, wherein the pushing mechanism is connected to the upper end of the bottom plate (1), and rollers (2) in contact with the ground are rotatably connected to the front side wall and the rear side wall of the bottom plate (1), the circular tube bending device is characterized in that a hydraulic rod (3) is fixedly connected to the upper end of the bottom plate (1), a supporting plate (4) is fixedly connected to the telescopic end of the hydraulic rod (3), a plurality of vertical supporting rods (5) are fixedly connected to the upper end of the supporting plate (4), a same rectangular frame (6) is fixedly connected to the upper ends of the supporting rods (5), two opposite U-shaped supports (7) are fixedly connected to the inner wall of the rectangular frame (6), a movable bending mechanism is arranged in a groove opening of each U-shaped support (7), and guide limiting mechanisms for bearing and conveying pipe fittings are arranged at the upper ends of the rectangular frames (6) at two sides of the U-shaped supports (7), and the upper end of the supporting plate (4) is provided with a driving mechanism connected with the guide limiting mechanism.

2. The round pipe bending device for the building engineering according to claim 1, wherein the pushing mechanism comprises two inclined rods (8) fixedly connected to the upper end of the bottom plate (1), and a horizontal push rod (9) is fixedly connected between the side walls of the two inclined rods (8) far away from the bottom plate (1).

3. The round pipe bending device for the constructional engineering according to claim 1, wherein the bending mechanism comprises a screw (10) which is in threaded connection with the inner bottom wall of the notch of the U-shaped support (7), a transverse plate (11) corresponding to the notch is fixedly connected to the upper end of the U-shaped support (7), a rotary knob (12) is fixedly connected to the upper end of the screw (10) through the transverse plate (11), an H-shaped movable block (13) is sleeved on the outer thread of the screw (10) on the lower side of the transverse plate (11), a transverse shaft (14) is rotatably connected to the side wall of the movable block (13) in a back-to-back manner, a pipe pressing roller (15) for bending the pipe is connected to the side wall of the transverse shaft (14) far away from the movable block (13), and the pipe pressing roller (15) and the transverse shaft (14) are connected through a detachable installation mechanism.

4. The round pipe bending device for the constructional engineering as claimed in claim 3, wherein the guiding and limiting mechanism comprises two trapezoidal slide rails (16) fixedly connected to the upper end of the rectangular frame (6), the outer side of the trapezoidal slide rails (16) is slidably sleeved with the convex moving blocks (17), the opposite side walls of the two convex moving blocks (17) are rotatably connected with the same first rotating shaft (18), both ends of the first rotating shaft (18) penetrate through the convex moving blocks (17) and are connected with guide rollers (19) for conveying bent pipes, and the guide rollers (19) and the first rotating shaft (18) are connected through a detachable mounting mechanism.

5. The round pipe bending device for the building engineering according to claim 4, wherein the installation mechanism comprises a triangular connecting block (20) fixedly connected to the side walls of the pressure pipe roller (15) and the guide roller (19), the outer side walls of the transverse shaft (14) and the first rotating shaft (18) are respectively provided with a triangular connecting groove corresponding to the triangular connecting block (20), the outer side walls of the pressure pipe roller (15) and the guide roller (19) are respectively and fixedly connected with two shells (21) vertically arranged with triangular connecting groove inclined planes, the shells (21) are internally and slidably connected with T-shaped rods (22), the vertical ends of the T-shaped rods (22) extend into the triangular connecting grooves and are connected with the triangular connecting block (20), the side walls of the triangular connecting block (20) are provided with slots connected with the T-shaped rods (22), and the horizontal ends of the T-shaped rods (22) are connected with pull rods (23), and the one end that T shape pole (22) were kept away from in pull rod (23) extends to the outside of casing (21), pull rod (23) the external cup of casing (21) has compression spring (24), and compression spring (24) both ends respectively with T shape pole (22) and casing (21) inner wall fixed connection.

6. The circular pipe bending device for the constructional engineering as claimed in claim 4, wherein the outer sides of the convex moving block (17) and the trapezoidal slide rail (16) are respectively sleeved with a positioning cover body (25) in a sliding manner, the upper end of the positioning cover body (25) is provided with a positioning hole communicated with the convex moving block (17), and the positioning hole is internally connected with a fastening bolt fixed with the convex moving block (17).

7. The round pipe bending device for the constructional engineering as claimed in claim 4, wherein the driving mechanism comprises a driving motor (26) fixedly connected to the upper end of the supporting plate (4), two second rotating shafts (39) parallel to the first rotating shafts (18) are rotatably connected between the side walls of the two U-shaped supports (7), the second rotating shafts (39) are lower than the notch height of the U-shaped supports (7), a first belt wheel (27) is fixedly connected to the outer side of the driving shaft of the driving motor (26), second belt wheels (28) are respectively connected to the outer side walls of the first rotating shafts (18) and the second rotating shafts (39) in a sleeved mode, and the first belt wheel (27) is in transmission connection with the plurality of second belt wheels (28) through the same belt (29).

8. The circular tube bending device for the building engineering according to claim 3, wherein the two movable blocks (13) are fixedly connected with U-shaped members (30) on opposite side walls, the notches of the two U-shaped members (30) are oppositely arranged, rubber shafts (31) are rotatably connected in the notches of the U-shaped members (30), rotating members (32) are sleeved on the outer sides of the rubber shafts (31), side walls of the rotating members (32) are fixedly connected with side link rods (33), the two side walls opposite to the side link rods (33) are respectively and fixedly connected with insertion rods (34) and insertion pieces (35) which are mutually matched, and the insertion rods (34) and the insertion pieces (35) can be fixedly connected through pin shafts.

9. The round pipe bending device for building engineering according to claim 5, characterized in that, two vertical curb plates (36) of lower extreme fixedly connected with of backup pad (4), and between two curb plates (36) fixedly connected with horizontally place pole (37), the upper end sliding connection who places pole (37) has a plurality of different sizes to press pipe roller (15) and guide roll (19), and fixedly connected with is used for bearing layer board (38) of triangle connecting block (20) between two curb plates (36), press pipe roller (15) and guide roll (19) to keep away from all posting corresponding size label on the lateral wall of triangle connecting block (20).

10. The round pipe bending device for the building engineering according to claim 1, wherein the working principle of the round pipe bending device for the building engineering is as follows:

s1, when the pipe bending device is used, an operator can select the sizes of the pipe pressing roller (15) and the guide roller (19) stored on the placing rod (37) according to the size of the bent pipe, and the required pipe pressing roller (15) and the required guide roller (19) are correspondingly connected to the outer sides of the transverse shaft (14) and the first rotating shaft (18);

s2, when the pressure pipe roller (15) and the guide roller (19) are installed, the pull rod (23) on the side wall of the shell (21) is pulled firstly, so that the T-shaped rod (22) is separated from the connection with the triangular connecting groove, then the triangular connecting block (20) connected with the side wall of the pressure pipe roller (15) and the side wall of the guide roller (19) is correspondingly inserted into the triangular connecting groove, then the pull rod (23) is loosened, and the T-shaped rod (22) is slidably inserted into the slot of the triangular connecting block (20) under the action of the compression spring (24);

s3, starting the driving motor (26), enabling the first belt wheel (27) to rotate, enabling the second belt wheel (28) to rotate under the transmission of the belt (29), further driving the two first rotating shafts (18) to rotate, enabling the bent pipe to be conveyed transversely under the use of the guide roller (19), and closing the driving motor (26) after the bent pipe is moved to a required position;

s4, adjusting the rotating knob (12) to enable the screw rod (10) to rotate, further driving the movable block (13) to move longitudinally, enabling the bent pipe to deform under the stamping of the pipe pressing roller (15), namely, achieving the stamping operation of the bent pipe, wherein the pipe pressing rollers (15) on the other two sides can be used independently or simultaneously, and when the pipe pressing rollers are needed to be used simultaneously, the inserting rods (34) and the inserting pieces (35) on the side walls of the two connecting frame rods (33) are matched with each other to adjust the two rotating knobs (12) simultaneously.

Technical Field

The invention relates to the technical field of building bent pipes, in particular to a circular pipe bending device for building engineering.

Background

During building construction, bending equipment is commonly used for bending workpieces, such as steel bars, steel pipes and the like, and the design of a vertical structure is generally adopted in the prior art, and although the structure can well meet the requirement of bending pipes.

However, the pipe diameter of a pipe usually corresponds to a bending die and a bending die in the existing pipe bending device, the pipe with slightly different pipe diameters can be attached to the outer wall of the pipe by replacing the bending die, and then the pipe is bent by rotating the bending die, so that the pipe can be bent.

Therefore, we propose a circular pipe bending device for building engineering to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a circular tube bending device for constructional engineering.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a pipe swan neck system for building engineering, includes bottom plate and push mechanism, push mechanism connects the upper end at the bottom plate, all rotate on the lateral wall around the bottom plate and be connected with the gyro wheel with ground contact, the upper end fixedly connected with hydraulic stem of bottom plate, and the flexible end fixedly connected with backup pad of hydraulic stem, many vertical branches of upper end fixedly connected with of backup pad, and the same rectangular frame of upper end fixedly connected with of many branches, two relative U-shaped supports of fixedly connected with on rectangular frame's the inner wall, be provided with mobilizable bending mechanism in the notch of U-shaped support, the rectangular frame upper end of U-shaped support both sides all is provided with the direction stop gear who is used for bearing and carrying the pipe fitting, and the upper end of backup pad is provided with the actuating mechanism who is connected with direction stop gear.

In the circular tube bending device for constructional engineering, the pushing mechanism comprises two inclined rods fixedly connected to the upper end of the bottom plate, and a horizontal push rod is fixedly connected between the side walls of the two inclined rods far away from the bottom plate.

In foretell pipe swan neck system for building engineering, press curved mechanism to include the screw rod of threaded connection on the diapire in the U-shaped support notch, the diaphragm that the upper end fixedly connected with of U-shaped support corresponds with the notch, diaphragm and fixedly connected with rotation knob are run through to the upper end of screw rod, the movable block of H shape has been cup jointed to the screw rod external screw thread of diaphragm downside, two all rotate on the lateral wall that the movable block was carried on the back mutually and be connected with the cross axle, the cross axle is kept away from and is connected with the pipe roller of pressing that is used for the return bend on the lateral wall of movable block, and presses to be connected through detachable installation mechanism between pipe roller and the cross axle.

In foretell pipe swan neck system for building engineering, direction stop gear includes two trapezoidal slide rails of fixed connection in the rectangular frame upper end, the convex movable block has been cup jointed in the outside slip of trapezoidal slide rail, and rotates on the relative lateral wall of two convex movable blocks and be connected with same root first pivot, the both ends of first pivot all run through the convex movable block and are connected with the guide roll that is used for carrying the return bend, and also are connected through detachable installation mechanism between guide roll and the first pivot.

In the circular tube bending device for constructional engineering, the mounting mechanism comprises triangular connecting blocks which are respectively and fixedly connected with the side walls of the pressure tube roller and the guide roller, the outer side walls of the transverse shaft and the first rotating shaft are both provided with a triangular connecting groove corresponding to the triangular connecting block, the outer side walls of the pressure pipe roller and the guide roller are fixedly connected with two shells which are vertical to the inclined plane of the triangular connecting groove, a T-shaped rod is connected in the shell in a sliding way, the vertical end of the T-shaped rod extends into the triangular connecting groove and is connected with the triangular connecting block, and the side wall of the triangular connecting block is provided with a slot connected with the T-shaped rod, the horizontal end of the T-shaped rod is connected with a pull rod, and one end of the pull rod, which is far away from the T-shaped rod, extends to the outer side of the shell, a compression spring is sleeved outside the pull rod in the shell, and two ends of the compression spring are fixedly connected with the T-shaped rod and the inner wall of the shell respectively.

In the circular tube bending device for building engineering, the outer sides of the convex moving block and the trapezoidal slide rail are sleeved with the positioning cover body in a sliding mode, the upper end of the positioning cover body is provided with a positioning hole communicated with the convex moving block, and a fastening bolt fixed with the convex moving block is connected to the positioning hole in a threaded mode.

In foretell pipe swan neck system for building engineering, actuating mechanism includes fixed connection at the driving motor of backup pad upper end, two rotate between the lateral wall of U-shaped support and be connected with two second pivots parallel with first pivot, and the second pivot is less than the height of U-shaped support notch, driving motor's the fixed cover in the drive shaft outside has connect first band pulley, all cup jointed the second band pulley on the lateral wall of first pivot and second pivot, be connected through same root belt transmission between first band pulley and a plurality of second band pulley.

In foretell pipe swan neck system for building engineering, two equal fixedly connected with U-shaped spare on the relative lateral wall of movable block, and the notch of two U-shaped spares sets up relatively, the notch internal rotation of U-shaped spare is connected with the rubber axle, and the outside of rubber axle has cup jointed the rotation piece, fixedly connected with side link, two on the lateral wall of rotation piece respectively fixedly connected with inserted bar and the plug-in components of mutually supporting on the relative lateral wall of side link, and inserted bar and plug-in components accessible round pin axle fixed connection.

In foretell pipe swan neck system for building engineering, two vertical curb plates of lower extreme fixedly connected with of backup pad, and fixedly connected with horizontally place the pole between two blocks of curb plates, the upper end sliding connection who places the pole has the different pipe roller and the guide roll of pressing of a plurality of sizes, and fixedly connected with is used for bearing the layer board of triangle connecting block between two blocks of curb plates, press pipe roller and guide roll to keep away from all posting corresponding size label on the lateral wall of triangle connecting block.

In the above circular tube bending device for construction engineering, the working principle of the circular tube bending device for construction engineering is as follows:

s1, when the pipe bending device is used, an operator can select the sizes of the pipe pressing roller and the guide roller stored on the placing rod according to the size of the bent pipe, and the required pipe pressing roller and the required guide roller are correspondingly connected to the outer sides of the transverse shaft and the first rotating shaft;

s2, when the pressure pipe roller and the guide roller are installed, firstly, the pull rod on the side wall of the shell is pulled to enable the T-shaped rod to be separated from the triangular connecting groove, then the triangular connecting blocks connected to the side wall of the pressure pipe roller and the side wall of the guide roller are correspondingly inserted into the triangular connecting groove, then the pull rod is loosened, and the T-shaped rod is slidably inserted into the inserting groove of the triangular connecting block under the action of the compression spring;

s3, starting a driving motor to enable a first belt wheel to rotate, enabling a second belt wheel to rotate under the transmission of a belt to further drive two first rotating shafts to rotate, conveying the bent pipe transversely under the use of a guide roller, and closing the driving motor after the bent pipe is moved to a required position;

s4, adjusting the rotating knob to enable the screw to rotate, further driving the movable block to move longitudinally, enabling the bent pipe to deform under the punching of the pipe pressing roller, namely realizing the punching operation of the bent pipe, wherein the pipe pressing rollers on the two sides can be used independently or simultaneously, and when the pipe pressing roller needs to be used simultaneously, the inserting rods on the side walls of the two connecting rods and the inserting pieces are matched with each other to adjust the two rotating knobs simultaneously.

Compared with the prior art, this pipe bending device for building engineering's pipe lies in:

1. the pipe bending device is convenient to replace the pipe pressing roller and the guide roller quickly when the mounting mechanism is used, can replace pipes with different sizes quickly when the pipes with different sizes are bent, increases the application range of the pipe bending device, and improves the pipe bending efficiency relatively.

2. The pipe bending machine can simultaneously realize the rotation of the two first rotating shafts under the use of the driving mechanism, can convey pipe fittings in daily use, reduces manual carrying, can be accurately adjusted to a required position when the pipe is required to be bent, relatively improves the use precision, and further improves the quality of the bent pipe.

3. According to the invention, the insertion rods and the plug-in units which can be mutually connected and fixed are arranged on the opposite side walls of the two movable blocks, so that the bent pipe structures on the two sides can be simultaneously used, namely, when the bent pipe structures on the two sides bend pipes with the same size, the insertion rods and the plug-in units can be fixedly connected, and then synchronous operation can be realized by adjusting the rotary knobs at the same time, thereby being beneficial to improving the processing efficiency.

Drawings

Fig. 1 is a schematic diagram of a forward structure of a circular pipe bending device for construction engineering according to the present invention;

fig. 2 is a schematic diagram of a backward structure of a circular pipe bending device for construction engineering according to the present invention;

fig. 3 is a schematic top view of a circular pipe bending device for construction engineering according to the present invention;

fig. 4 is a schematic bottom view of a circular pipe bending device for construction engineering according to the present invention;

FIG. 5 is a structural diagram of a driving mechanism of a pipe bending device for construction engineering according to the present invention;

FIG. 6 is a structural diagram of a placing rod and a supporting plate of a circular tube bending device for construction engineering according to the present invention;

FIG. 7 is a structural view of an installation mechanism of a pipe bending device for construction engineering according to the present invention;

fig. 8 is a schematic structural diagram of a side link of a circular tube bending device for construction engineering according to the present invention.

In the figure, 1 a bottom plate, 2 rollers, 3 hydraulic rods, 4 supporting plates, 5 supporting rods, 6 rectangular frames, 7U-shaped supports, 8 inclined rods, 9 push rods, 10 screw rods, 11 transverse plates, 12 rotating knobs, 13 movable blocks, 14 transverse shafts, 15 pressure pipe rollers, 16 trapezoidal slide rails, 17 convex movable blocks, 18 first rotating shafts, 19 guide rollers, 20 triangular connecting blocks, 21 shells, 22T-shaped rods, 23 pull rods, 24 pressing springs, 25 positioning covers, 26 driving motors, 27 first belt wheels, 28 second belt wheels, 29 belts, 30U-shaped pieces, 31 rubber shafts, 32 rotating pieces, 33 connecting rods, 34 inserting rods, 35 inserts, 36 side plates, 37 placing rods, 38 supporting plates and 39 second rotating shafts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples

Referring to fig. 1-8, a pipe bending device for building engineering, including bottom plate 1 and push mechanism, push mechanism connects in the upper end of bottom plate 1, all rotate on the lateral wall around bottom plate 1 and be connected with gyro wheel 2 with ground contact, push mechanism includes two fixed connection at the inclined bar 8 of bottom plate 1 upper end, and fixed connection has horizontally push rod 9 between the lateral wall of bottom plate 1 is kept away from to two inclined bar 8, under push mechanism and the cooperation of a plurality of gyro wheels 2 use, can adjust the holistic position of device, the mobility of device has been improved, make things convenient for operating personnel to carry out the return bend practicality.

Wherein, the upper end of the bottom plate 1 is fixedly connected with a hydraulic rod 3, the telescopic end of the hydraulic rod 3 is fixedly connected with a supporting plate 4, the upper end of the supporting plate 4 is fixedly connected with a plurality of vertical supporting rods 5, the upper ends of the supporting rods 5 are fixedly connected with a rectangular frame 6, the inner wall of the rectangular frame 6 is fixedly connected with two opposite U-shaped supports 7, a movable bending mechanism is arranged in a notch of the U-shaped supports 7, the bending mechanism comprises a screw rod 10 which is in threaded connection with the inner bottom wall of the notch of the U-shaped supports 7, the upper end of the U-shaped supports 7 is fixedly connected with a transverse plate 11 corresponding to the notch, the upper end of the screw rod 10 penetrates through the transverse plate 11 and is fixedly connected with a rotating knob 12, the external thread of the screw rod 10 at the lower side of the transverse plate 11 is sleeved with an H-shaped movable block 13, the side walls of the two movable blocks 13 which are opposite to each other are rotatably connected with a transverse shaft 14, and the side wall of the transverse shaft 14 far away from the movable block 13 is connected with a roller 15 for pipe pressing, the pipe pressing roller 15 is connected with the transverse shaft 14 through a detachable mounting mechanism;

further, the upper ends of the rectangular frames 6 at the two sides of the U-shaped support 7 are respectively provided with a guiding and limiting mechanism for bearing and conveying the pipe fittings, the guiding and limiting mechanism comprises two trapezoidal slide rails 16 fixedly connected at the upper ends of the rectangular frames 6, the outer sides of the trapezoidal slide rails 16 are slidably sleeved with a convex moving block 17, in particular, the outer sides of the convex moving block 17 and the trapezoidal slide rails 16 are slidably sleeved with a positioning cover body 25, the upper end of the positioning cover body 25 is provided with a positioning hole communicated with the convex moving block 17, the positioning hole is internally connected with a fastening bolt fixed with the convex moving block 17 in a threaded manner so as to fix the position of the convex moving block 17 conveniently, the opposite side walls of the two convex moving blocks 17 are rotatably connected with a same first rotating shaft 18, both ends of the first rotating shaft 18 penetrate through the convex moving block 17 and are connected with a guide roller 19 used for conveying bent pipes, and the guide roller 19 is connected with the first rotating shaft 18 through a detachable mounting mechanism.

Specifically, the mounting mechanism comprises triangular connecting blocks 20 fixedly connected to the side walls of the pressure pipe roller 15 and the guide roller 19 respectively, triangular connecting grooves corresponding to the triangular connecting blocks 20 are formed in the outer side walls of the transverse shaft 14 and the first rotating shaft 18, two shells 21 perpendicular to the inclined planes of the triangular connecting grooves are fixedly connected to the outer side walls of the pressure pipe roller 15 and the guide roller 19, T-shaped rods 22 are slidably connected to the shells 21, the vertical ends of the T-shaped rods 22 extend into the triangular connecting grooves and are connected with the triangular connecting blocks 20, the side walls of the triangular connecting blocks 20 are provided with inserting grooves connected with the T-shaped rods 22, the horizontal ends of the T-shaped rods 22 are connected with pull rods 23, one ends, far away from the T-shaped rods 22, of the pull rods 23 extend to the outer side of the shells 21, compression springs 24 are sleeved outside the pull rods 23 in the shells 21, and two ends of the compression springs 24 are fixedly connected with the inner walls of the T-shaped rods 22 and the shells 21 respectively, under installation mechanism's use, the quick replacement of pipe roller 15 and guide roll 19 is pressed to the convenience uses, when carrying out the return bend operation to the pipe fitting of equidimension not, can carry out quick change in order to satisfy the use of not unidimensional pipe fitting, has increased the application scope of device return bend to the efficiency of return bend has been improved relatively.

Wherein, the upper end of the supporting plate 4 is provided with a driving mechanism connected with the guiding and limiting mechanism, the driving mechanism comprises a driving motor 26 fixedly connected with the upper end of the supporting plate 4, two second rotating shafts 39 parallel to the first rotating shaft 18 are rotatably connected between the side walls of the two U-shaped brackets 7, the second rotating shafts 39 are lower than the height of the notches of the U-shaped brackets 7, the stable use of the connecting rods 33 on the side walls of the movable blocks 13 is ensured, the outer sides of the driving shafts of the driving motor 26 are fixedly sleeved with first belt wheels 27, the outer side walls of the first rotating shafts 18 and the second rotating shafts 39 are respectively sleeved with second belt wheels 28, the first belt wheels 27 are in transmission connection with the plurality of second belt wheels 28 through the same belt 29, the rotation of the two first rotating shafts can be realized simultaneously under the use of the driving mechanism, the pipe fitting can be conveyed and operated in daily use, the manual carrying is reduced, and the pipe fitting can be accurately adjusted to a required position when the pipe fitting is required, the use precision is relatively improved, and the quality of the bent pipe is further improved.

Wherein, equal fixedly connected with U-shaped piece 30 on the relative lateral wall of two movable blocks 13, and the notch of two U-shaped pieces 30 sets up relatively, the notch internal rotation of U-shaped piece 30 is connected with rubber shaft 31, and the outside of rubber shaft 31 has cup jointed and has rotated piece 32, fixedly connected with side link 33 on the lateral wall of rotation piece 32, on the relative lateral wall of two side link 33 respectively fixedly connected with inserted bar 34 and plug-in components 35 of mutually supporting, and inserted bar 34 and plug-in components 35 accessible round pin axle fixed connection, through be provided with inserted bar 34 and plug-in components 35 that can interconnect fixedly on the relative lateral wall of two movable blocks 13, can make the elbow structure of both sides can use simultaneously, namely both sides elbow structure is when carrying out the bending operation to the same size pipe fitting, can be connected fixed inserted bar 34 and plug-in components 35, then adjust simultaneously and rotate knob 12 and can realize synchronous operation.

Further, two vertical curb plates 36 of lower extreme fixedly connected with of backup pad 4, and fixedly connected with has the horizontally to place pole 37 between two curb plates 36, the upper end sliding connection who places pole 37 has a plurality of different sizes to press pipe roller 15 and guide roll 19, and fixedly connected with is used for bearing the layer board 38 of triangle connecting block 20 between two curb plates 36, press pipe roller 15 and guide roll 19 to keep away from all to post corresponding size label on the lateral wall of triangle connecting block 20, place pole 37 and layer board 38 through the setting, can be used for placing different sizes and press pipe roller 15 and guide roll 19, and then make things convenient for operating personnel's replacement to use, and conveniently press the use of taking in of pipe roller 15 and guide roll 19, can be quick find required pipe roller 15 and guide roll 19 through observing the size label in addition, the convenience of use is improved.

When the pipe bending device is used, an operator can select the sizes of the pipe pressing roller 15 and the guide roller 19 stored on the placing rod 37 according to the size of a bent pipe, and correspondingly connect the required pipe pressing roller 15 and the required guide roller 19 to the outer sides of the transverse shaft 14 and the first rotating shaft 18; when the pressure pipe roller 15 and the guide roller 19 are installed, the pull rod 23 on the side wall of the shell 21 is pulled firstly to enable the T-shaped rod 22 to be separated from the triangular connecting groove, then the triangular connecting block 20 connected on the side wall of the pressure pipe roller 15 and the side wall of the guide roller 19 are correspondingly inserted into the triangular connecting groove, then the pull rod 23 is loosened, and the T-shaped rod 22 is slidably inserted into the slot of the triangular connecting block 20 under the action of the compression spring 24; then, the driving motor 26 is started to rotate the first belt wheel 27, and the second belt wheel 28 is rotated under the transmission of the belt 29 to further drive the two first rotating shafts 18 to rotate, so that the bent pipe can be transversely conveyed under the use of the guide roller 19, and the driving motor 26 is closed after the bent pipe is moved to a required position; then the knob 12 is rotated in an adjusting manner, so that the screw rod 10 rotates, the movable block 13 is driven to move longitudinally, the bent pipe is deformed under the stamping of the pipe pressing roller 15, the stamping operation of the bent pipe is realized, the pipe pressing rollers 15 on the other two sides can be used independently or simultaneously, and when the bent pipe needs to be used simultaneously, the two rotating knobs 12 can be adjusted simultaneously by mutually matching the inserting rods 34 and the inserting pieces 35 on the side walls of the two connecting rods 33.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.