CN219703107U - Pipe bender - Google Patents

Abstract

The utility model relates to the technical field of pipe bending and discloses a pipe bending machine. The bending machine includes the workstation, sets up in the feeding mechanism and the bending mechanism of workstation, and feeding mechanism is used for carrying the pipe fitting to the bending mechanism to make bending mechanism bend the pipe fitting, feeding mechanism includes: the feeding frame is arranged on the workbench in a sliding manner along the X axis, and the pipe fitting is placed on the feeding frame along the X axis; the device comprises a first driving piece, a gear and a crawler belt, wherein the fixed end of the first driving piece is connected to a feeding frame, the gear is arranged on an output shaft of the first driving piece, the output shaft is rotationally connected to the feeding frame, the crawler belt is arranged on a workbench along an X axis, and the gear is meshed with the crawler belt; the fixed end of the second driving piece is arranged on the workbench, and the output end of the second driving piece is used for supporting the tail end of the pipe fitting and following the pipe fitting. This return bend machine can carry out accurate material loading to the pipe fitting to guarantee the accuracy of pipe fitting bending section size and to the stability of pipe fitting material loading.

Description

Pipe bender

Technical Field

The utility model relates to the technical field of pipe bending, in particular to a pipe bending machine.

Background

In machining, due to the bending requirement of the pipe fitting, the pipe fitting needs to be bent by using a pipe bender to form the pipe fitting with a preset bending structure. In the bending process, the head of the pipe fitting is directly pulled to the bending mechanism of the pipe bending machine, and then the pipe fitting is pulled to be fed while the bending mechanism rotates and bends the pipe fitting, so that the specific feeding size of the pipe fitting can not be accurately controlled, and the accuracy of the size of the bending section of the pipe fitting can not be ensured; moreover, the feeding mode is easy to enable the pipe fitting to shake, and the feeding stability of the pipe fitting cannot be guaranteed.

Therefore, there is a need for a tube bender that can solve the above problems.

Disclosure of Invention

The utility model aims to provide a pipe bending machine which can accurately feed pipes so as to ensure the accuracy of the sizes of bent sections of the pipes and the stability of pipe feeding.

To achieve the purpose, the utility model adopts the following technical scheme:

the pipe bending machine comprises a workbench, a feeding mechanism and a bending mechanism, wherein the feeding mechanism is arranged on the workbench and used for conveying pipe fittings to the bending mechanism so that the bending mechanism bends the pipe fittings, and the feeding mechanism comprises:

the feeding frame is arranged on the workbench in a sliding manner along the X axis, and the pipe fitting is arranged on the feeding frame along the X axis;

the device comprises a first driving piece, a gear and a crawler belt, wherein the fixed end of the first driving piece is connected to a feeding frame, the gear is arranged on an output shaft of the first driving piece, the output shaft is rotationally connected to the feeding frame, the crawler belt is arranged on a workbench along an X axis, and the gear is meshed with the crawler belt;

the fixed end of the second driving piece is arranged on the workbench, and the output end of the second driving piece is used for supporting the tail end of the pipe fitting and following the pipe fitting.

Further, a supporting frame is further arranged on the workbench, the second driving piece is arranged on the supporting frame, and the second driving piece can move along the Z axis relative to the supporting frame; the feeding mechanism further comprises:

the fixed end of the first abutting driving piece is arranged on the supporting frame, and when the second driving piece does not move along the Z axis relative to the supporting frame, the output end of the first abutting driving piece can be abutted to the fixed end of the second driving piece.

Further, a guide cylinder and a fixed block are further arranged on the feeding frame, the pipe fitting is arranged in the guide cylinder, one end of the fixed block is fixedly connected with the guide cylinder, the other end of the fixed block is in sliding connection with the feeding frame, and the fixed block can move along the Z axis relative to the feeding frame.

Further, the feeding mechanism further includes:

the fixed end of the second abutting driving piece is connected to the feeding frame, and when the fixed block does not move along the Z axis relative to the feeding frame, the output end of the second abutting driving piece can abut against the top end surface of the fixed block.

Further, one end of the fixed block, which is close to the bending mechanism, is provided with an imitation tube, the imitation tube is connected to the fixed block, the tube diameter of the imitation tube gradually decreases along the X axis and in the direction, which is close to the bending mechanism, of the imitation tube, the tube passes through the guide cylinder and then is positioned in the imitation tube, the axis of the imitation tube coincides with the axis of the guide cylinder, and an opening and closing piece is arranged at one end of the imitation tube, which is close to the bending mechanism, and the opening and closing piece can loosen or lock the tube.

Further, the pipe bender further includes a cutting assembly for cutting the pipe, the cutting assembly being located between the guide cylinder and the first driving member, the cutting assembly comprising:

the fixed end of the cutting driving piece is arranged on the guide cylinder;

the cylinder and cut the cutter, cut the drive end of driving piece with it is connected to cut the cylinder drive, it is connected to cut the cylinder rotation one side of guiding tube, it is provided with to cut the cylinder internal fixation cut the cutter, it can rotate to cut the cutter the pipe fitting.

Further, the bending mechanism includes:

the mounting plate is arranged on the workbench;

the first die and the second die are oppositely arranged on the mounting plate, the pipe fitting can be positioned in any arc-shaped groove on the first die, and the second die can move along the Y axis relative to the first die to be abutted against the pipe fitting;

the fixed end of the third driving piece is arranged on the mounting plate, the driving end of the third driving piece is in driving connection with the main shaft, the main shaft extends along the Z axis, and the first die and the second die are respectively and fixedly connected with the main shaft, so that the main shaft can drive the first die and the second die to rotate around the Z axis at the same time.

Further, the bending mechanism further includes:

and the third die is arranged on the mounting plate and positioned on one side of the second die, and can move along the Y axis to be propped against the pipe fitting.

Further, the pipe bending machine further comprises:

the horizontal moving mechanism is arranged between the workbench and the mounting plate and is used for driving the bending mechanism to move along the Y axis.

Further, the horizontal movement mechanism includes:

the fixed end of the horizontal driving piece is arranged on the workbench;

the guide block is arranged on one of the workbench and the mounting plate, the guide rail is arranged on the other one of the workbench and the mounting plate, the guide rail extends along the Y axis, the driving end of the horizontal driving piece is in driving connection with the guide block, and the guide block can slide along the guide rail.

The beneficial effects of the utility model are as follows:

the feeding mechanism is arranged on the workbench and used for conveying the pipe fitting to the bending mechanism, so that the bending mechanism bends the pipe fitting to bend the pipe fitting; meanwhile, the pipe fitting is placed on a feeding frame of the feeding mechanism along the X axis, a first driving piece of the feeding mechanism drives a gear to rotate, so that the gear rotates on a crawler belt, the gear can drive the feeding frame and the pipe fitting on the feeding frame to move along the X axis, and the pipe fitting is further conveyed to a bending mechanism, so that automatic feeding of the pipe fitting is realized; in this way, the rotating distance of the gear on the crawler belt can be controlled by controlling the rotating angle of the first driving piece driving gear, so that the specific moving distance of the feeding frame and the pipe fitting on the X axis can be controlled, and further, the accurate feeding of the pipe fitting is realized, and the accuracy of the size of the bending section of the pipe fitting is ensured; and, make the output of second driving piece support the end of pipe fitting to make the output of second driving piece follow-up along with the removal of pipe fitting, thereby make in whole material loading in-process, the output of second driving piece can provide the supporting role to the end of pipe fitting, in order to avoid the problem that rocks appears in the end of pipe fitting, and then can guarantee the stability to the pipe fitting material loading.

Drawings

FIG. 1 is a schematic view of a pipe bender according to the present utility model in a view angle;

FIG. 2 is a schematic view of a pipe bender according to the present utility model in another view;

FIG. 3 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged partial schematic view at B in FIG. 2;

fig. 5 is a schematic structural view of a bending mechanism provided by the present utility model.

Reference numerals:

1-a workbench; 11-a supporting frame; 111-a first slide rail; 12-a substrate; 121-a first slider;

2-a feeding mechanism; 21-a feeding frame; 211-a guide cylinder; 2111-a stent; 212-fixing blocks; 2121-a second slider; 2122-a second slide rail; 22-a first driving member; 23-gear; 24-caterpillar band; 25-square blocks; 26-a second driving member; 261-connecting block; 27-a first abutment drive; 28-a second abutment drive; 29-a simulated tube; 291-shutter; 292-a feed guide block; 293-a feed rail;

3-bending mechanism; 31-mounting plate; 32-a first mold; 321-arc grooves; 33-a second mold; 34-a third mold; 35-a third driving member; 36-a main shaft;

4-pipe fitting;

51-cutting the driving member; 52-a synchronous belt; 53-cutting drum;

61-horizontal driving member; 62-guide rail.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the structures or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a bending machine for carry out automatic feeding and bend to the pipe fitting, and can guarantee the accurate material loading to the pipe fitting, thereby guarantee the accuracy of the size of pipe fitting bending section, and can guarantee the stability to the pipe fitting material loading, and then can bend and obtain the better pipe fitting of quality. In this embodiment, the pipe may be an aluminum pipe.

Specifically, as shown in fig. 1 and 2, the pipe bender comprises a workbench 1, and a feeding mechanism 2 and a bending mechanism 3 which are arranged on the workbench 1, wherein the feeding mechanism 2 is used for automatically and accurately conveying a pipe fitting 4 to the bending mechanism 3, so that the bending mechanism 3 can automatically bend in a double bending way, and the bending function of the pipe fitting 4 is realized.

Specifically, as shown in fig. 1 and 2, the feeding mechanism 2 includes a feeding frame 21, a first driving member 22, a gear 23, and a crawler belt 24; wherein the feeding frame 21 is slidably arranged on the workbench 1 along the X axis, and the pipe fitting 4 is arranged on the feeding frame 21 along the X axis, namely, the pipe fitting 4 can synchronously move along with the movement of the feeding frame 21; the fixed end of the first driving piece 22 is connected to the feeding frame 21, the gear 23 is fixedly arranged on the output shaft of the first driving piece 22, the output shaft is rotatably connected to the feeding frame 21, the crawler belt 24 is arranged on the workbench 1 along the X axis, and the gear 23 is meshed with the crawler belt 24. The output shaft of the first driving member 22 is rotatably connected to the feeding frame 21 through the square block 25, that is, the square block 25 is fixedly connected to the feeding frame 21, and the output shaft of the first driving member 22 is rotatably disposed in the square block 25 through a bearing, so that the output shaft of the first driving member 22 can rotate and simultaneously drive the square block 25 and the feeding frame 21 to move along the X axis. In this embodiment, the first driving member 22 is specifically a servo motor.

By placing the pipe fitting 4 on the feeding frame 21 along the X axis, the first driving piece 22 drives the gear 23 to rotate so that the gear 23 rotates on the crawler belt 24, and therefore the gear 23 can drive the feeding frame 21 and the pipe fitting 4 on the feeding frame 21 to move along the X axis, and further the pipe fitting 4 is conveyed to the bending mechanism 3, so that automatic feeding of the pipe fitting 4 is realized; in this way, the rotation distance of the gear 23 on the crawler belt 24 can be controlled by controlling the rotation angle of the gear 23 driven by the first driving member 22, so that the specific movement distance of the feeding frame 21 and the pipe fitting 4 on the X axis can be controlled, and further, the accurate feeding of the pipe fitting 4 is realized, and the accuracy of the size of the bending section of the pipe fitting 4 is ensured. In this embodiment, millimeter-sized feeding of the pipe 4 can be achieved by the feeding mechanism 2.

And through making gear 23 and track 24 intermeshing be connected to drive pay-off frame 21 and pipe fitting 4 and carry out the material loading, can make the connection between gear 23 and the track 24 comparatively stable, so that gear 23's rotation is comparatively steady, and then can guarantee the reliability of pipe fitting 4 material loading. Wherein, be provided with the pay-off guide 293 on one of them in pay-off rack 21 and workstation 1, be provided with the pay-off guide 292 on the other, the pay-off guide 293 extends along the X axle, and the pay-off guide 292 can slide on the pay-off guide 293 to can provide the guide effect to the removal of pay-off rack 21 on the X axle, guarantee the direction nature and the stability of pay-off rack 21 removal.

Further, as shown in fig. 1 to 3, the feeding mechanism 2 further includes a second driving member 26, a fixed end of the second driving member 26 is disposed on the workbench 1, and an output end of the second driving member 26 is used for supporting a distal end of the pipe 4 and can follow the pipe 4; even the output of second driving piece 26 can follow-up along with the removal of pipe fitting 4 for in whole material loading in-process, the output of second driving piece 26 can be all the time support the end of pipe fitting 4, in order to provide the supporting role to the end of pipe fitting 4, thereby can avoid the problem that the end of pipe fitting 4 appears rocking, and then can guarantee the stability to pipe fitting 4 material loading. In this embodiment, the second driving member 26 may be a linear cylinder.

Specifically, as shown in fig. 1 to 3, a support frame 11 is further provided on the table 1, the second driving member 26 is integrally provided on the support frame 11, and the second driving member 26 is movable along the Z-axis relative to the support frame 11; when the straightness of the pipe fitting 4 is poor, namely, when the pipe fitting 4 is bent and is not placed on the feeding frame 21 in a straight line, the second driving piece 26 is made to move to a proper position along the Z axis and then abuts and supports the tail end of the pipe fitting 4, so that the straightness of the pipe fitting 4 can be adjusted by the second driving piece 26, the pipe fitting 4 can be arranged on the feeding frame 21 in a good straightness, and further smooth bending of the pipe fitting 4 by the bending mechanism 3 is facilitated. The straightness of the pipe 4 specifically refers to the degree to which two ends of the pipe 4 are located on the same horizontal line.

Specifically, as shown in fig. 3, a substrate 12 is disposed on a supporting frame 11, the substrate 12 is slidably disposed on the supporting frame 11 along the Z axis, a fixed end of a second driving member 26 is disposed on the substrate 12, an output end of the second driving member 26 can pass through the substrate 12 and the supporting frame 11 and is fixedly connected with a connecting block 261, and a tail end of a pipe fitting 4 is fixedly disposed on the connecting block 261 through a bolt, so that an abutting supporting effect of the output end of the second driving member 26 on the pipe fitting 4 is realized.

Further, as shown in fig. 3, one of the supporting frame 11 and the base plate 12 is provided with a first sliding block 121, and the other is provided with a first sliding rail 111, the first sliding rail 111 extends along the Z axis, and the first sliding block 121 can slide on the first sliding rail 111 to drive the base plate 12 and the second driving member 26 to reciprocate along the Z axis; when the substrate 12 needs to slide along the Z axis relative to the support frame 11, the first screw is removed to facilitate the sliding of the substrate 12; when the base plate 12 and the second driving piece 26 slide to the proper positions, the first screw penetrates through the base plate 12 and is connected to any one of the first threaded holes in the supporting frame 11 in a threaded mode, so that sliding of the base plate 12 is limited, stable arrangement of the base plate 12 and the second driving piece 26 on the supporting frame 11 is guaranteed, the problem that sliding of the base plate 12 and the second driving piece 26 caused by vibration generated when feeding and bending the pipe fitting 4 is avoided, and therefore stability of feeding and bending the pipe fitting 4 can be guaranteed. In the present embodiment, a first slide rail 111 is provided on the support frame 11, and a first slider 121 is provided on the substrate 12.

Specifically, as shown in fig. 1 and 2, the feeding mechanism 2 further includes a first abutting driving member 27, where the fixed end of the first abutting driving member 27 is disposed on the supporting frame 11, when the second driving member 26 does not move along the Z axis relative to the supporting frame 11, that is, when the substrate 12 and the second driving member 26 move to a suitable position, and the first screw passes through the substrate 12 and is screwed into the first threaded hole on the supporting frame 11, the output end of the first abutting driving member 27 abuts against the fixed end of the second driving member 26, even if the output end of the first abutting driving member 27 abuts against the top end surface of the substrate 12 directly, so that the sliding of the substrate 12 can be better limited, and the stable setting of the substrate 12 and the second driving member 26 on the supporting frame 11 is further ensured. In this embodiment, the first abutment driving member 27 may be a linear cylinder.

Further, as shown in fig. 1 and 2, a guide cylinder 211 and a fixed block 212 are further disposed on the feeding frame 21, and the pipe fitting 4 is disposed in the guide cylinder 211, so that the guide cylinder 211 can guide the pipe fitting 4, and the straightness of the pipe fitting 4 can be better ensured; one end of the fixed block 212 is fixedly connected with the guide cylinder 211, the other end of the fixed block 212 is slidably connected with the feeding frame 21, and the fixed block 212 can move along the Z axis relative to the feeding frame 21.

Through making fixed block 212 remove to suitable position along the Z axle, make fixed block 212 can drive guide cylinder 211 and remove along the Z axle to make guide cylinder 211 remove to suitable position, thereby can make guide cylinder 211 drive the pipe fitting 4 in it and remove along the Z axle, thereby can adjust the straightness accuracy of pipe fitting 4, so that pipe fitting 4 can set up on pay-off frame 21 with better straightness accuracy, further be favorable to bending mechanism 3 to the smooth bending of pipe fitting 4.

Specifically, as shown in fig. 2 and fig. 4, one of the fixed block 212 and the feeding frame 21 is provided with a second sliding block 2121, the other is provided with a second sliding rail 2122, the second sliding rail 2122 extends along the Z axis, and the second sliding block 2121 can slide on the second sliding rail 2122 to drive the fixed block 212 and the guide cylinder 211 to reciprocate along the Z axis; the fixed block 212 is connected to the feeding frame 21 through a second screw, and when the fixed block 212 needs to slide along the Z axis relative to the feeding frame 21, the second screw is removed so as to enable the fixed block 212 to slide; when the fixed block 212 and the guide cylinder 211 slide to the proper positions, the second screw passes through the fixed block 212 and is connected to any second threaded hole on the feeding frame 21 in a threaded manner, so that the sliding of the fixed block 212 is limited, the fixed block 212 and the guide cylinder 211 are ensured to be stably arranged on the feeding frame 21, the problem that the fixed block 212 and the guide cylinder 211 slide due to vibration generated when the pipe fitting 4 is fed and bent is avoided, and the feeding and bending stability of the pipe fitting 4 can be further ensured. In the present embodiment, the second slide rail 2122 is provided on the carriage 21, and the second slider 2121 is provided on the fixed block 212.

Further, as shown in fig. 1 and 2, the feeding mechanism 2 further includes a second abutting driving member 28, where a fixed end of the second abutting driving member 28 is connected to the feeding frame 21, and when the fixed block 212 does not move along the Z axis relative to the feeding frame 21, that is, when the fixed block 212 and the guide cylinder 211 move to a proper position and the second screw is screwed into the second threaded hole, the output end of the second abutting driving member 28 abuts against the top end surface of the fixed block 212, so that the sliding of the fixed block 212 can be better limited, and the stable setting of the fixed block 212 and the guide cylinder 211 on the feeding frame 21 is further ensured. In this embodiment, the second abutment driving member 28 may be a linear cylinder.

Specifically, as shown in fig. 1 and 2, an imitation tube 29 is disposed at one end of the fixed block 212 near the bending mechanism 3, the profiling tube 29 is connected to the fixed block 212, the axis of the imitation tube 29 and the axis of the output end of the second driving member 26 coincide with the axis of the guide cylinder 211, the tube diameter of the imitation tube 29 gradually decreases in the direction along the X axis and near the bending mechanism 3, and the tube 4 passes through the guide cylinder 211 and then is located in the imitation tube 29, so that the imitation tube 29 can perform shaping adjustment on the straightness of the tube 4, and the straightness of the tube 4 is ensured to be better.

As shown in fig. 1, an opening and closing member 291 is disposed at one end of the simulated tube 29 near the bending mechanism 3, and the opening and closing member 291 can loosen or lock the tube 4, so that the tube 4 can be automatically loosened according to specific feeding requirements and actual working conditions, and the tube 4 can freely move relative to the feeding frame 21; and the pipe fitting 4 can be automatically locked according to specific feeding requirements and actual working conditions, so that the pipe fitting 4 can synchronously carry out movable feeding along with the movement of the feeding frame 21. The opening and closing member 291 in this embodiment may be in an opening and closing structure common in the existing pipe bender, and detailed description of the specific opening and closing principle of the opening and closing member 291 is omitted here.

Further, as shown in fig. 1, the pipe bender further comprises a cutting assembly for cutting the pipe fitting 4, so that one pipe fitting 4 can be cut into pipe fitting sections with a plurality of preset lengths according to processing requirements, and then the pipe fitting sections are subjected to feeding and bending; a cutting assembly is provided between the guide cylinder 211 and the first driving member 22, the cutting assembly including a cutting driving member 51, a cutting roller 53, and a cutting knife; wherein, the stiff end setting of cutting the driving piece 51 is on guide cylinder 211, cuts the drive end of driving piece 51 and cuts cylinder 53 drive connection, cuts cylinder 53 rotation and connects in one side of guide cylinder 211, is provided with the cutting knife at cutting cylinder 53 internal fixation, cuts the cutter and can rotate and cut pipe fitting 4.

As shown in fig. 1, a support 2111 is fixedly disposed on the guide cylinder 211, and a fixed end of the cutting driving member 51 is disposed on the support 2111, and an output end of the cutting driving member 51 drives the cutting drum 53 to rotate through the synchronous belt 52, so that a cutting knife in the cutting drum 53 rotates, and the cutting knife cuts the pipe 4 in the rotating process. In this embodiment, the cutting driving member 51 may be a servo motor.

Specifically, as shown in fig. 1, 2 and 5, the bending mechanism 3 includes a mounting plate 31, a first die 32, a second die 33, a third driving member 35 and a main shaft 36; wherein the mounting plate 31 is arranged on one side of the workbench 1; the first die 32 and the second die 33 are oppositely arranged on the mounting plate 31, the pipe fitting 4 can be positioned in any arc-shaped groove 321 on the first die 32, and the second die 33 can move to abut against the pipe fitting 4 along the Y axis relative to the first die 32; the fixed end of the third driving member 35 is disposed on the mounting plate 31, the driving end of the third driving member 35 is in driving connection with the spindle 36, the spindle 36 extends along the Z axis, and the first mold 32 and the second mold 33 are fixedly connected with the spindle 36, so that the spindle 36 can simultaneously drive the first mold 32 and the second mold 33 to rotate around the Z axis. In this embodiment, the third driving member 35 is specifically a servo motor.

Specifically, after the pipe 4 is fed into any one of the arc grooves 321 of the first die 32, the second die 33 is moved relative to the first die 32 along the Y axis to abut against the pipe 4, that is, the pipe 4 is pressed between the first die 32 and the second die 33 at this time; the third driving member 35 is then operated, so that the third driving member 35 simultaneously drives the first die 32 and the second die 33 to rotate around the Z axis, thereby completing bending of the pipe fitting 4. In this embodiment, the bending of the pipe fitting 4 is a bending process common in the existing pipe bending machine, and detailed description of specific bending principles is omitted here.

It should be noted that the structure of the second die 33 is matched with that of the first die 32, so that the pipe fitting 4 can be abutted against and rotationally bent by the first die 32 and the second die 33; as shown in fig. 5, a plurality of arc grooves 321 with different structures are arranged on the first die 32, when the pipe fitting 4 is positioned in the arc grooves 321 with different structures, the bending radius of the pipe fitting 4 can be different, so that the pipe fitting 4 can be bent into a plurality of different bending sections by arranging the arc grooves 321 with different structures; meanwhile, the bending radius of the pipe fitting 4 can be controlled by controlling the rotation angle of the third driving piece 35, which drives the first die 32 and the second die 33 around the Z axis, so that various bending requirements of the pipe fitting 4 can be met.

Before bending the pipe fitting 4, the substrate 12 and the fixing block 212 can be moved along the Z axis at the same time, so that the whole pipe fitting 4 is driven to move on the Z axis, and the pipe fitting 4 can be moved into the other arc groove 321 from the one arc groove 321 on the first die 32; and, the second die 33 can move along the Z axis, that is, the second die 33 can be driven to move on the Z axis by the air cylinder, so that the second die 33 can avoid the pipe fitting 4, and the pipe fitting 4 after bending can be taken out directly. In this embodiment, the movement of the second mold 33 in the Z-axis and the Y-axis is performed by a movement module structure commonly known in the art, and detailed descriptions thereof are omitted herein.

Further, as shown in fig. 5, the bending mechanism 3 further includes a third mold 34, where the third mold 34 is disposed on the mounting plate 31 and is located at one side of the second mold 33, and the third mold 34 can move along the Y axis to press against the pipe 4, so that the first mold 32 and the second mold 33 can rotate to bend the pipe 4, and simultaneously, the third mold 34 can press against the pipe 4 all the time, so as to avoid the pipe 4 from being deviated, and ensure a better bending effect. The third die 34 can also move along the Z axis, that is, the third die 34 can be driven to move on the Z axis by the air cylinder, so that the third die 34 can avoid the pipe fitting 4, which is more beneficial to directly taking out the pipe fitting 4 after bending. In this embodiment, the movement of the third mold 34 in the Z-axis and the Y-axis is performed by a movement module structure commonly known in the art, and will not be described in detail herein.

Specifically, the pipe bender further comprises a horizontal moving mechanism, wherein the horizontal moving mechanism is arranged between the workbench 1 and the mounting plate 31, and the horizontal moving mechanism is used for driving the whole bending mechanism 3 to move along the Y axis so as to adjust the distance between the first die 32 and the pipe fitting 4 at the feeding mechanism 2, so that the pipe fitting 4 can be bent to form more bending sections with different bending radiuses, and therefore, the requirement of multiple different bending requirements of the pipe fitting 4 can be better met; the whole bending mechanism 3 can move along the Y axis in the bending process, and can also move along the Y axis before bending, and the specific time and specific distance of the bending mechanism 3 moving along the Y axis are required to be determined according to the actual working condition and bending requirements.

Further, as shown in fig. 5, the horizontal moving mechanism includes a horizontal driving member 61, a guide block, and a guide rail 62; wherein the fixed end of the horizontal driving member 61 is provided on the table 1; one of the table 1 and the mounting plate 31 is provided with a guide block, the other is provided with a guide rail 62, the guide rail 62 extends along the Y axis, and the driving end of the horizontal driving member 61 is in driving connection with the guide block, the guide block can slide along the guide rail 62, so that the horizontal driving member 61 drives the mounting plate 31 to move along the Y axis, and the whole bending mechanism 3 can move along the Y axis relative to the table 1. In this embodiment, the horizontal driving member 61 may be a linear cylinder.

In the pipe bending machine in the embodiment, the second driving piece 26 and the fixed block 212 can move along the Z axis, and the pipe fitting 4 is shaped by arranging the imitation pipe 29, so that the pipe fitting 4 can be ensured to have better straightness; moreover, the output end of the second driving member 26 is abutted to the tail end of the pipe fitting 4 and follows the movement of the pipe fitting 4, the setting stability of the second driving member 26 is ensured by arranging the first screw and the first abutting driving member 27, and the setting stability of the fixed block 212 is ensured by arranging the second screw and the second abutting driving member 28, so that the reliability in the process of feeding and bending the pipe fitting 4 can be ensured; meanwhile, by arranging the arc grooves 321 with different structures on the first die 32, controlling the third driving piece 35 to drive the main shaft 36 to rotate around the Z axis and enabling the whole bending mechanism 3 to move along the Y axis, the bending machine can meet various bending requirements of the pipe fitting 4, and the application range of the whole bending machine is wider.

The specific working process of the pipe bending machine in the embodiment is as follows:

firstly, the pipe fitting 4 is placed on the inner sides of a guide cylinder 211, a fixed block 212 and a profiling tube 29 on a feeding frame 21 along the X axis, then the second driving piece 26 and the fixed block 212 are respectively moved to proper positions along the Z axis according to the straightness condition of the pipe fitting 4, and the fixed end of the second driving piece 26 and the fixed block 212 are fixed; the tail end of the pipe fitting 4 is fixedly connected to the connecting block 261 at the output end of the second driving piece 26 through a bolt, so that the pipe fitting 4 can be shaped, and the pipe fitting 4 has good straightness.

Then, the first driving piece 22 drives the gear 23 to rotate according to the specific length of the pipe fitting 4 to be fed, so that the gear 23 rotates on the crawler belt 24, and the gear 23 can drive the feeding frame 21 and the pipe fitting 4 on the feeding frame 21 to move along the X axis through the square block 25, and then the pipe fitting 4 is conveyed to the first die 32 of the bending mechanism 3, so that automatic feeding of the pipe fitting 4 is realized; at this time, the opening and closing member 291 can lock the pipe 4 so that the pipe 4 moves along the X-axis together with the feeding frame 21.

Thereafter, the horizontal driving member 61 is further caused to drive the mounting plate 31 to move along the Y axis, so that the entire bending mechanism 3 can be moved to a proper position along the Y axis with respect to the table 1; bringing the second die 33 closer to the first die 32 along the Y axis so that the second die 33 can abut against the pipe 4 on the first die 32; at the same time, the third die 34 is brought close to and pressed against the pipe 4 along the Y axis.

Finally, the third driving member 35 is operated to drive the spindle 36 to rotate around the Z axis, so that the first die 32 and the second die 33 are simultaneously driven to synchronously rotate around the Z axis by the spindle 36, and bending of the pipe fitting 4 can be realized in the rotating process, so that the whole bending process of the pipe fitting 4 is completed.

Wherein, can make according to material loading demand and specific operating mode and decide driving piece 51 operation to drive hold-in range 52 rotation, thereby drive and decide cylinder 53 and rotate, and then make and decide the cutter in the cylinder 53 and rotate, so that cut the cutter and decide pipe fitting 4 at pivoted in-process, so that pipe fitting 4 forms the pipe fitting section of predetermineeing length.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. The utility model provides a bending machine, includes workstation (1), set up in feeding mechanism (2) and bending mechanism (3) of workstation (1), feeding mechanism (2) are used for carrying pipe fitting (4) to bending mechanism (3), so that bending mechanism (3) bend pipe fitting (4), its characterized in that, feeding mechanism (2) include:

a feeding frame (21) which is arranged on the workbench (1) in a sliding way along the X axis, and the pipe fitting (4) is arranged on the feeding frame (21) along the X axis;

the device comprises a first driving piece (22), a gear (23) and a crawler belt (24), wherein the fixed end of the first driving piece (22) is connected to a feeding frame (21), the gear (23) is arranged on an output shaft of the first driving piece (22), the output shaft is rotatably connected to the feeding frame (21), the crawler belt (24) is arranged on a workbench (1) along an X axis, and the gear (23) is in meshed connection with the crawler belt (24);

the fixed end of the second driving piece (26) is arranged on the workbench (1), and the output end of the second driving piece (26) is used for supporting the tail end of the pipe fitting (4) and following the pipe fitting (4).

2. The pipe bending machine according to claim 1, wherein the workbench (1) is further provided with a support frame (11), the second driving member (26) is arranged on the support frame (11), and the second driving member (26) can move along the Z axis relative to the support frame (11); the feeding mechanism (2) further comprises:

the first butt driving piece (27), the stiff end of first butt driving piece (27) set up in support frame (11), second driving piece (26) for when support frame (11) are not along Z axle removal, the output of first butt driving piece (27) can support tightly to the stiff end of second driving piece (26).

3. The pipe bending machine according to claim 1, wherein the feeding frame (21) is further provided with a guide cylinder (211) and a fixed block (212), the pipe fitting (4) is arranged in the guide cylinder (211), one end of the fixed block (212) is fixedly connected with the guide cylinder (211), the other end of the fixed block (212) is slidably connected with the feeding frame (21), and the fixed block (212) can move along the Z axis relative to the feeding frame (21).

4. A pipe bender according to claim 3, wherein the feeding mechanism (2) further comprises:

and a second abutting driving piece (28), wherein the fixed end of the second abutting driving piece (28) is connected to the feeding frame (21), and when the fixed block (212) does not move along the Z axis relative to the feeding frame (21), the output end of the second abutting driving piece (28) can abut against the top end surface of the fixed block (212).

5. A pipe bender according to claim 3, wherein a tube-like tube (29) is provided at one end of the fixed block (212) near the bending mechanism (3), the tube-like tube (29) is connected to the fixed block (212), the tube diameter of the tube-like tube (29) is gradually reduced along the X-axis and near the bending mechanism (3), the tube (4) passes through the guide cylinder (211) and then is positioned in the tube-like tube (29), the axis of the tube-like tube (29) coincides with the axis of the guide cylinder (211), and an opening and closing member (291) is provided at one end of the tube-like tube (29) near the bending mechanism (3), and the opening and closing member (291) can release or lock the tube (4).

6. The bending machine according to any one of claims 3-5, further comprising a cutting assembly for cutting the tubular (4), the cutting assembly being located between the guide cylinder (211) and the first driving member (22), the cutting assembly comprising:

a cutting driving member (51), wherein a fixed end of the cutting driving member (51) is arranged on the guide cylinder (211);

the cutting cylinder (53) and cutting knife, the drive end of cutting driving piece (51) with it is connected to cut cylinder (53) drive, it is connected to cut cylinder (53) rotation one side of guide cylinder (211), it is provided with to cut cylinder (53) internal fixation cutting knife, cutting knife can rotate and cutting pipe fitting (4).

7. The bending machine according to any one of claims 1 to 5, wherein the bending mechanism (3) comprises:

a mounting plate (31) provided on the table (1);

a first die (32) and a second die (33), the first die (32) and the second die (33) being disposed opposite to each other on the mounting plate (31), and the pipe (4) being able to be positioned in any one of the arcuate grooves (321) on the first die (32), the second die (33) being able to move along the Y-axis relative to the first die (32) to abut the pipe (4);

the novel plastic molding machine comprises a third driving piece (35) and a main shaft (36), wherein the fixed end of the third driving piece (35) is arranged on the mounting plate (31), the driving end of the third driving piece (35) is in driving connection with the main shaft (36), the main shaft (36) extends along a Z axis, and the first mold (32) and the second mold (33) are respectively and fixedly connected with the main shaft (36), so that the main shaft (36) can drive the first mold (32) and the second mold (33) to rotate around the Z axis at the same time.

8. The bending machine according to claim 7, wherein the bending mechanism (3) further comprises:

and a third die (34) arranged on one side of the mounting plate (31) and positioned on one side of the second die (33), wherein the third die (34) can move along the Y axis to be pressed against the pipe fitting (4).

9. The pipe bender of claim 7, further comprising:

the horizontal moving mechanism is arranged between the workbench (1) and the mounting plate (31) and is used for driving the bending mechanism (3) to move along the Y axis.

10. The pipe bender of claim 9, wherein the horizontal movement mechanism comprises:

a horizontal driving member (61), wherein a fixed end of the horizontal driving member (61) is arranged on the workbench (1);

the workbench comprises a workbench (1) and a mounting plate (31), wherein one of the workbench and the mounting plate is provided with the guide block, the other one of the workbench and the mounting plate is provided with the guide rail (62), the guide rail (62) extends along a Y axis, the driving end of a horizontal driving piece (61) is in driving connection with the guide block, and the guide block can slide along the guide rail (62).