CN113198891B

CN113198891B - Pipe bending machine

Info

Publication number: CN113198891B
Application number: CN202110592095.0A
Authority: CN
Inventors: 肖世文; 肖世祥; 夏明清; 黄广治; 肖世军
Original assignee: Zhongshan Jingda Teke Machinery Co ltd
Current assignee: Zhongshan Jingda Teke Machinery Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2024-05-28
Anticipated expiration: 2041-05-28
Also published as: CN113198891A

Abstract

The invention discloses a pipe bending machine, which is used for bending a prefabricated pipe, and comprises a machine table, a pipe taking device, a driving control device and a pipe bending device, wherein the pipe taking device is movably arranged on the machine table, the pipe taking device can clamp the prefabricated pipe, the driving control device is arranged on the machine table, the driving control device is connected with the pipe taking device, the driving control device can drive and control the pipe taking device to move so as to send out the prefabricated pipe with a preset length, the pipe bending device is arranged on the machine table, the pipe bending device can receive the prefabricated pipe sent by the pipe taking device, and the received prefabricated pipe can be bent backwards along the feeding direction. Through above-mentioned structure, when the long U type pipe of different kink pipe section lengths of switching production, only need to get the length of the prefabricated pipe that the pipe device sent through drive control device regulation, can correspond the length of adjusting the kink pipe section, wherein, this process need not to change the accessory, consequently, can improve production efficiency.

Description

Pipe bending machine

Technical Field

The invention relates to the technical field of U-shaped tube manufacturing, in particular to a tube bending machine.

Background

In the prior art, referring to fig. 11 and 12, some pipe bending machines include a pipe arranging device a, a retainer b, and a bending die c, the retainer b being located between the pipe arranging device a and the bending die c, the retainer b being provided with a leaning die b1, wherein the retainer b can be flipped over to bend a prefabricated pipe into a long U-shaped pipe d by the bending die c and the leaning die b1, but the length of the bent pipe section d1 of the long U-shaped pipe d is limited by the specification of the retainer b, so that when the long U-shaped pipe d of different lengths of the bent pipe section d1 is produced by switching, the work of replacing the retainer b greatly reduces the production efficiency.

Disclosure of Invention

The invention aims to at least solve one of the technical problems in the prior art, and therefore, the invention provides a pipe bending machine which can improve the production efficiency.

According to the embodiment of the invention, the pipe bending machine is used for bending a prefabricated pipe and comprises a machine table, a pipe taking device, a driving control device and a pipe bending device, wherein the pipe taking device is movably arranged on the machine table, the pipe taking device can clamp the prefabricated pipe, the driving control device is arranged on the machine table and is connected with the pipe taking device, the driving control device can drive and control the pipe taking device to move so as to send out the prefabricated pipe with a preset length, the pipe bending device is arranged on the machine table, and the pipe bending device can receive the prefabricated pipe with the preset length sent by the pipe taking device and can bend the received prefabricated pipe backwards along the feeding direction.

The pipe bending machine provided by the embodiment of the invention has at least the following beneficial effects: through above-mentioned structure, when the long U type pipe of different kink pipe section lengths of switching production, only need to get the length of the prefabricated pipe that the pipe device sent through drive control device regulation, can correspond the length of adjusting the kink pipe section, wherein, this process need not to change the accessory, consequently, can improve production efficiency.

According to some embodiments of the invention, the device further comprises a supporting device, the supporting device is arranged on the machine table, the supporting device is positioned on the moving path of the pipe taking device, and the supporting device can support the prefabricated pipe and can avoid the pipe taking device.

According to some embodiments of the invention, the support device comprises at least one support mechanism, the support mechanism is arranged on the machine table, and the support mechanism can support the prefabricated pipe and avoid the pipe taking device.

According to some embodiments of the invention, the support mechanism includes a support frame and a first driving member, the support frame is slidably disposed on the machine table, a support notch through which the prefabricated pipe passes is disposed on the support frame, the first driving member is disposed on the machine table, an output end of the first driving member is connected with the support frame, and the first driving member can drive the support frame to slide so as to avoid the pipe taking device.

According to some embodiments of the invention, the pipe taking device comprises a pipe taking rack and a first pipe clamping mechanism, the pipe taking rack is slidably arranged on the machine table, the pipe taking rack is connected with the driving control device, the first pipe clamping mechanism is arranged on the pipe taking rack, the first pipe clamping mechanism is provided with a first channel for the prefabricated pipe to pass through, and the first pipe clamping mechanism can adjust the cross section area of the first channel to clamp the prefabricated pipe.

According to some embodiments of the invention, the device further comprises a detection mechanism, wherein the detection mechanism is arranged on the pipe taking frame, the detection mechanism is provided with a second channel for the prefabricated pipe to pass through, and the cross section area of the second channel is larger than that of the prefabricated pipe.

According to some embodiments of the invention, the detecting mechanism comprises a detecting member and a circuit module, the detecting member is arranged on the pipe taking frame, the detecting member is provided with the second channel, the circuit module is provided with two connecting terminals, and the two connecting terminals are respectively and electrically connected with the detecting member and the prefabricated pipe.

According to some embodiments of the invention, the pipe bending device comprises a bending die, a roll-over stand and a second driving mechanism, wherein the bending die is arranged on the machine table, the roll-over stand is rotatably arranged on the machine table, the roll-over stand is provided with a leaning die and a receiving core rod, the receiving core rod can receive the prefabricated pipe fed by the pipe taking device, the second driving mechanism is arranged on the machine table, the second driving mechanism is connected with the roll-over stand, and the second driving mechanism can drive the roll-over stand to roll backwards along the feeding direction so that the leaning die rolls over to bend the prefabricated pipe on the receiving core rod to the bending die.

According to some embodiments of the invention, the device further comprises a material returning device, wherein the material returning device is arranged on the roll-over stand, and the material returning device can enable the bent prefabricated pipe to be returned from the roll-over stand.

According to some embodiments of the invention, the pipe cutting device is arranged on the pipe taking device, and the pipe cutting device can cut the prefabricated pipe.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a block diagram of one embodiment of a pipe bender according to the present invention;

FIG. 2 is a partially exploded view of the support mechanism shown in FIG. 1;

fig. 3 is a structural view of the roll-over stand and the material returning apparatus shown in fig. 1;

FIG. 4 is a partially exploded view of the roll-over stand and bending die shown in FIG. 1;

Fig. 5 is a structural view of the roll-over stand and the fourth driving mechanism shown in fig. 1;

FIG. 6 is a block diagram of the slider shown in FIG. 3;

FIG. 7 is a partially exploded view of the tube cutting device, tube retrieval device and detection mechanism shown in FIG. 1;

FIG. 8 is a block diagram of the roller and sleeve shown in FIG. 7;

FIG. 9 is a block diagram of the sleeve shown in FIG. 8;

FIG. 10 is a block diagram of the alignment and rounding device and the second tube clamping mechanism shown in FIG. 1;

FIG. 11 is a schematic diagram of a prior art pipe bender;

Fig. 12 is a structural view of a long U-shaped tube.

Reference numerals:

A machine 100, a second pipe clamping mechanism 110, a second clamping plate 111, a second bottom plate 112 and an eleventh driving piece 113;

Tube taking device 200, tube taking rack 210, first tube clamping mechanism 220, first clamping plate 221, first bottom plate 222, seventh driving piece 223 and detecting mechanism 230;

The driving control device 300, a first driving mechanism 310, a second transmission rod 311 and a second connection block 312;

the supporting device 400, the supporting mechanism 410, the supporting frame 411, the supporting notch 411A, the first driving piece 412, the anti-falling piece 413A, the stroke amplifying assembly 414, the connecting rod 414A and the swing arm 414B;

The pipe bending device 500, the bending die 510, the die body 511, the bottom clamping plate 512, the third driving piece 513, the roll-over stand 520, the exploring die 521, the core receiving rod 522, the rotating shaft 523, the guide cylinder 524, the sliding piece 525, the twelfth driving piece 526, the second driving mechanism 530, the first rotating wheel 531, the second rotating wheel 532 and the fourth driving piece 533;

the material returning device 600, the sliding piece 610, the abutting cylinder 611, the extension part 612 and the third driving mechanism 620;

A fourth driving mechanism 700, a connecting member 710, a guiding hole 711, a middle connector 720, a bump 721, and a sixth driving member 730;

tube cutting device 800, roller 810, fourth channel 811, blade assembly 812, bearing assembly 813, bar 814, ninth driving member 820, sleeve 830, guide slot 831, connecting slot 832, tenth driving member 840, pushing block 841;

A straightening and rounding device 900, a first runner mechanism 910 and a second runner mechanism 920.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present invention, but not to limit the scope of the present invention.

In the description of the present invention, if any, the first, second, third, fourth, fifth, etc. are described for the purpose of distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements 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 present invention, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the invention can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 10, a pipe bender according to an embodiment of the present invention is used for bending a preformed pipe, and includes a machine table 100, a pipe taking device 200, a driving control device 300 and a pipe bending device 500.

The pipe taking device 200 is movably arranged on the machine table 100, the pipe taking device 200 can clamp a prefabricated pipe, the driving control device 300 is arranged on the machine table 100, the driving control device 300 is connected with the pipe taking device 200, the driving control device 300 can drive and control the pipe taking device 200 to move so as to send out the prefabricated pipe with the preset length, the pipe bending device 500 is arranged on the machine table 100, the pipe bending device 500 can receive the prefabricated pipe with the preset length sent by the pipe taking device 200, and the received prefabricated pipe can be bent backwards along the feeding direction.

Through the above-mentioned structure, when the long U-shaped pipe d of different kink pipeline section d1 length of production is switched, only need to get the length of the prefabricated pipe that the pipe device 200 sent through drive control device 300 adjustment, can correspond to the length of adjusting kink pipeline section d1, wherein, this process need not to change the accessory, consequently, can improve production efficiency.

Referring to fig. 1, the pipe taking device further includes a support device 400, the support device 400 being provided on the machine 100, the support device 400 being located on a moving path of the pipe taking device 200, the support device 400 being capable of supporting the prefabricated pipe and being capable of avoiding the pipe taking device 200.

With the above configuration, when the preformed tube is clamped by the tube taking device 200, the supporting device 400 supports the preformed tube, so that the degree of the downward bending of the two side tube sections of the clamped portion of the preformed tube can be reduced, the effect of straightening and rounding the preformed tube can be maintained, and the yield of the long U-shaped tube can be improved.

The support device 400 includes six support mechanisms 410, the six support mechanisms 410 are all provided on the machine 100, the six support mechanisms 410 are arranged on the moving path of the tube taking device 200, and the support mechanisms 410 can support the prefabricated tube and can avoid the tube taking device 200.

It should be noted that a support mechanism 410 is shown in FIG. 1 as being hidden by the tube extraction device 200.

In some embodiments, the number of support mechanisms 410 may be set to five, seven, etc.

The support mechanism 410 includes a support frame 411 and a first driving member 412.

Referring to fig. 2, the support frame 411 is slidably disposed on the machine 100, a support notch 411A is disposed on the support frame 411 for the prefabricated pipe to pass through, the first driving member 412 is disposed on the machine 100, an output end of the first driving member 412 is connected to the support frame 411, and the first driving member 412 can drive the support frame 411 to slide so as to avoid the pipe taking device 200. The first driving member 412 may be configured as an air cylinder, a hydraulic cylinder, an electric push rod, or the like.

The first driving member 412 can drive the support frame 411 to move upwards, so that the prefabricated tube can be inserted into the support notch 411A, whereas the first driving member 412 can drive the support frame 411 to move downwards, so that the support frame 411 is avoided from the tube taking device 200.

In some embodiments, the supporting mechanism 410 includes a telescopic plate set and a first driving member 412, where the telescopic plate set is laterally disposed, the telescopic plate set includes at least two supporting plates, two adjacent supporting plates are stacked and disposed, and the two adjacent supporting plates are slidably connected, the first driving member 412 is disposed on the machine 100, one of the two supporting plates located on two sides of the telescopic plate set is connected to the machine 100, and the other is connected to an output end of the first driving member 412, and the first driving member 412 can drive the telescopic plate set to unfold and support the prefabricated tube, and can drive the telescopic plate set to stack up and avoid the tube taking device 200.

In this embodiment, the support frame 411 further includes a drop prevention assembly 413, where the drop prevention assembly 413 is disposed on the support frame 411, and the drop prevention assembly 413 can prevent the prefabricated tube from falling out of the support notch 411A.

The anti-slip assembly comprises an anti-slip member 413 and a second driving member (not shown in the figures).

Referring to fig. 2, the anti-falling member 413 is slidably disposed on the support frame 411, the anti-falling member 413 is provided with an anti-falling block 413A corresponding to the support notch 411A, the second driving member is disposed on the support frame 411, and the second driving member is connected with the anti-falling member 413, and the second driving member can drive the anti-falling member 413 to slide so as to drive the anti-falling block 413A to seal the support notch 411A. The second driving piece can be arranged as an air cylinder, a hydraulic cylinder, an electric push rod and the like.

In some embodiments, the anti-falling assembly includes a swing block, a first elastic member and an adsorption member, the swing block is connected to the support frame 411 through a pivot, the first elastic member is sleeved on the pivot, one end of the first elastic member is connected with the support frame 411, the other end of the first elastic member is connected with the swing block, the adsorption member is arranged on the support frame 411, the adsorption member can adsorb the swing block, so that the swing block swings to close the support gap 411A, and when the adsorption member stops adsorbing the swing block, the first elastic member can drive the swing block to reset to open the support gap 411A. Wherein the first elastic piece is provided as a torsion spring; the absorbing member is provided as an electromagnet.

In this embodiment, the machine further includes a stroke amplifying assembly 414, the stroke amplifying assembly 414 is disposed on the machine 100, the output end of the first driving member 412 is connected to the supporting frame 411 through the stroke amplifying assembly 414, and the stroke amplifying assembly 414 can amplify the stroke difference between the output end of the first driving member 412 and the supporting frame 411.

The stroke amplifying assembly 414 includes a connecting rod 414A and a swing arm 414B.

Referring to fig. 2, one end of the swing arm 414B is rotatably connected to the machine 100, the other end of the swing arm 414B is rotatably connected to the output end of the first driving member 412, one end of the connecting rod 414A is rotatably connected to the support frame 411, and the other end of the connecting rod 414A is rotatably connected to the other end of the swing arm 414B.

The pipe bending apparatus 500 includes a bending die 510, a roll-over stand 520, and a second drive mechanism 530.

Referring to fig. 1, 3 and 4, the bending die 510 is disposed on the machine 100, the roll-over stand 520 is rotatably disposed on the machine 100, the roll-over stand 520 is provided with a die 521 and a receiving core 522, the receiving core 522 can receive the preformed tube fed by the tube taking device 200, the second driving mechanism 530 is disposed on the machine 100, the second driving mechanism 530 is connected with the roll-over stand 520, and the second driving mechanism 530 can drive the roll-over stand 520 to roll back along the feeding direction, so that the preformed tube on the receiving core 522 is bent onto the bending die 510 by turning over the die 521.

It should be noted that the receiving core 522 can receive the preformed tube fed through the tube-taking device 200, i.e., the preformed tube fed through the tube-taking device 200 can be sleeved on the receiving core 522.

The bending mold 510 includes a mold body 511, a bottom clamping plate 512, and a third driving member 513.

Referring to fig. 4, the mold body 511 is disposed on the machine 100, one end of the mold body 511 near the mold 521 is provided with a U-shaped arc slot, the third driving member 513 is disposed on the machine 100, the bottom clamping plate 512 is disposed below the mold body 511, a third channel for the prefabricated pipe to pass through is formed between the bottom clamping plate 512 and the mold body 511, the third channel is communicated with the U-shaped arc slot, an output end of the third driving member 513 is connected with the bottom clamping plate 512, and when the prefabricated pipe is bent, the third driving member 513 can drive the bottom clamping plate 512 to move upwards, so that the cross-sectional area of the third channel is reduced, and the bottom clamping plate 512 and the mold body 511 clamp the prefabricated pipe together. The third driving member 513 may be configured as an air cylinder, a hydraulic cylinder, an electric push rod, or the like.

The mold 521 is turned over to the bending mold 510 to bend the prefabricated pipe on the receiving core rod 522, specifically, the third driving member 513 drives the bottom clamping plate 512 to move upwards, the bottom clamping plate 512 and the mold body 511 clamp the prefabricated pipe together, the turning frame 520 is turned over relative to the machine 100, and the prefabricated pipe on the receiving core rod 522 is bent onto the mold body 511 along the U-shaped arc groove under the action of the profiling mold 521, so as to form a U-shaped pipe.

The second drive mechanism 530 includes a first runner 531, a second runner 532, and a fourth drive 533.

Referring to fig. 4, the roll-over stand 520 is rotatably connected to the machine 100 through a rotating shaft 523, the first rotating wheel 531 and the second rotating wheel 532 are both rotatably disposed on the machine 100, the first rotating wheel 531 is sleeved on the rotating shaft 523, the first rotating wheel 531 and the second rotating wheel 532 are sleeved with a conveying belt (not shown in the drawing), the fourth driving member 533 is disposed on the machine 100, the fourth driving member 533 is connected with the second rotating wheel 532, and the fourth driving member 533 can drive the second rotating wheel 532 to rotate so as to drive the first rotating wheel 531 to rotate through the conveying belt, thereby turning over the roll-over stand 520.

In this embodiment, the apparatus further includes a material returning device 600, where the material returning device 600 is disposed on the roll-over stand 520, and the material returning device 600 can enable the bent prefabricated pipe to be returned from the roll-over stand 520.

The ejector 600 includes a slider 610 and a third drive mechanism 620.

Referring to fig. 1,3 and 6, the sliding member 610 is slidably disposed on the roll-over stand 520, the sliding member 610 is provided with an abutting cylinder 611, the abutting cylinder 611 is sleeved on the receiving core bar 522, the abutting cylinder 611 can abut against the end of the prefabricated pipe, the third driving mechanism 620 is disposed on the roll-over stand 520, the third driving mechanism 620 is connected with the sliding member 610, and the third driving mechanism 620 can drive the sliding member 610 to slide so as to drive the abutting cylinder 611 to push the U-shaped pipe to withdraw from the roll-over stand 520.

In some embodiments, the third drive mechanism 620 can drive the slider 610 to slidably adjust the position of the abutment cylinder 611 to adjust the length of the preformed tube that is sleeved on the receiving core rod 522.

The third drive mechanism 620 includes a third wheel, a fourth wheel, and a fifth drive.

Referring to fig. 3, the third rotating wheel and the fourth rotating wheel are both rotatably disposed on the roll-over stand 520, the third rotating wheel and the fourth rotating wheel are sleeved with a conveying belt, the conveying belt is fixedly connected with the sliding member 610, the fifth driving member is disposed on the roll-over stand 520, one of the third rotating wheel and the fourth rotating wheel is fixedly connected with the output end of the fifth driving member, and the fifth driving member can drive the corresponding third rotating wheel or the fourth rotating wheel to rotate so as to drive the conveying belt to operate, and further drive the sliding member 610 to slide. Wherein the fifth driving member is provided as a motor.

The conveyor belt is fixedly connected with the sliding member 610, specifically, referring to fig. 3 and 6, the sliding member 610 is provided with an extension portion 612, and the extension portion 612 and the conveyor belt are provided with fasteners in a penetrating manner. Wherein the fastener may be provided as a bolt or the like.

In some embodiments, the third driving mechanism 620 includes a first transmission rod, a first connecting block and a fifth driving member, the first transmission rod is rotatably disposed on the roll-over stand 520, the first connecting block is threaded on the first transmission rod, the first connecting block is fixedly connected with the sliding member 610, the fifth driving member is disposed on the roll-over stand 520, and an output end of the fifth driving member is connected with the first transmission rod, and the fifth driving member can drive the first transmission rod to rotate so as to drive the sliding member 610 to slide through the first connecting block.

In order to facilitate the abutting cylinder 611 to slide and push the manufactured U-shaped pipe to withdraw from the roll-over stand 520, the device further comprises a fourth driving mechanism 700, wherein the fourth driving mechanism 700 is arranged on the roll-over stand 520, the exploring die 521 is movably arranged on the roll-over stand 520, the fourth driving mechanism 700 is connected with the exploring die 521, and when the exploring die 521 is turned over to the bending die 510, the fourth driving mechanism 700 can drive the exploring die 521 to move away from the bending die 510.

The turnover frame 520 is movably disposed by the mold 521, specifically, referring to fig. 5, a connecting pipe section is disposed at the bottom of the mold 521, the turnover frame 520 is provided with a guide cylinder 524 matched with the connecting pipe section, and the connecting pipe section is telescopically inserted into the guide cylinder 524.

The fourth drive mechanism 700 includes a connector 710, a middle connector 720, and a sixth drive 730.

Referring to fig. 5, the connecting member 710 is connected to the master mold 521, the connecting member 710 is provided with an inclined hole 711, the middle connecting member 720 is slidably disposed on the roll-over stand 520, the middle connecting member 720 is provided with a protruding block 721 matching with the inclined hole 711, the protruding block 721 is disposed on the inclined hole 711, the sixth driving member 730 is disposed on the roll-over stand 520, the sixth driving member 730 is connected to the middle connecting member 720, and the sixth driving member 730 can drive the middle connecting member 720 to slide so as to drive the protruding block 721 to push the wall of the inclined hole 711, so that the master mold 521 moves away from the curved mold 510. The sixth driving member 730 may be configured as an air cylinder, a hydraulic cylinder, an electric push rod, or the like.

In some embodiments, the fourth driving mechanism 700 may be directly configured as a sixth driving member 730, where the sixth driving member 730 is disposed on the roll-over stand 520, and an output end of the sixth driving member 730 is connected to a bottom of the master die 521, and when the master die 521 is turned over onto the curved die 510, the sixth driving member 730 can drive the master die 521 to move away from the curved die 510.

In this embodiment, in order to optimize the operation of the U-shaped tube withdrawing from the roll-over stand 520, referring to fig. 3, a sliding member 525 is slidably disposed on the roll-over stand 520, a receiving core bar 522 is slidably disposed on the roll-over stand 520, one end of the receiving core bar 522, which is far from the die 521, is fixedly connected to the sliding member 525, a twelfth driving member 526 is fixedly disposed on the roll-over stand 520, and an output end of the twelfth driving member 526 is connected to the sliding member 525. The twelfth driving element 526 may be configured as an air cylinder, a hydraulic cylinder, an electric push rod, or the like.

When the material returning operation is performed, the twelfth driving element 526 can drive the sliding element 525 to slide, so as to drive the receiving core bar 522 to move away from the U-shaped tube, and further optimize the operation of moving the U-shaped tube away from the roll-over stand 520.

The tube drawing device 200 includes a tube drawing rack 210 and a first tube gripping mechanism 220.

Referring to fig. 7, the tube taking rack 210 is slidably disposed on the machine 100, the tube taking rack 210 is connected to the driving control device 300, the driving control device 300 can drive and control the tube taking rack 210 to move, the first tube clamping mechanism 220 is disposed on the tube taking rack 210, the first tube clamping mechanism 220 is provided with a first channel for the prefabricated tube to pass through, and the first tube clamping mechanism 220 can adjust the cross-sectional area of the first channel to clamp the prefabricated tube.

The first clamping mechanism 220 includes a first clamping plate 221, a first base plate 222, and a seventh driver 223.

Referring to fig. 7, the first bottom plate 222 is disposed on the pipe taking rack 210, the first clamping plate 221 is disposed above the first bottom plate 222, the first clamping plate 221 and the first bottom plate 222 together enclose a first channel for the prefabricated pipe to pass through, the seventh driving member 223 is disposed on the pipe taking rack 210, the output end of the seventh driving member 223 is connected with the first clamping plate 221, and the seventh driving member 223 can drive the first clamping plate 221 to move, so that the cross-sectional area of the first channel is reduced, and the first clamping plate 221 and the first bottom plate 222 jointly clamp the prefabricated pipe. The seventh driving member 223 may be provided as a cylinder, a hydraulic cylinder, an electric push rod, or the like.

In this embodiment, in order to ensure the yield of the long U-shaped tube, the device further includes a detection mechanism 230, the detection mechanism 230 is disposed on the tube taking rack 210, the detection mechanism 230 is provided with a second channel through which the prefabricated tube passes, and the cross-sectional area of the second channel is larger than that of the prefabricated tube.

Referring to fig. 7, the detection mechanism 230 includes a detection member and a circuit module.

The detecting piece is arranged on the pipe taking frame 210, the detecting piece is provided with a second channel, the circuit module is provided with two connecting terminals, and the two connecting terminals are respectively and electrically connected with the detecting piece and the prefabricated pipe.

When the prefabricated pipe penetrating through the second channel is bent, the bent prefabricated pipe is abutted against the detection piece, and the circuit module loop generates a detection signal.

In some embodiments, the circuit module may be connected to an external power switch Guan Dianxing, which is turned off by a detection signal generated by the circuit module when the prefabricated tube passing through the second channel is bent.

The drive control apparatus 300 includes a first drive mechanism 310 and a control mechanism.

The first driving mechanism 310 is disposed on the machine 100, the first driving mechanism 310 is connected to the tube taking device 200, the control mechanism is disposed on the machine 100, and the control mechanism is electrically connected to the first driving mechanism 310.

The first driving mechanism 310 includes a second transmission rod 311, a second connection block 312, and an eighth driving member.

Referring to fig. 1 and 7, the second transmission rod 311 is rotatably disposed on the machine 100, the second connection block 312 is screwed on the second transmission rod 311, the second connection block 312 is fixedly connected with the pipe taking rack 210, the eighth driving member is disposed on the machine 100, and an output end of the eighth driving member is connected with the second transmission rod 311, and the eighth driving member can drive the second transmission rod 311 to rotate so as to drive the pipe taking rack 210 to slide through the second connection block 312. Wherein the eighth driving member is provided as a motor.

The control mechanism comprises a control module and a plurality of detection pieces.

The control module and the detecting elements are all arranged on the machine 100, the detecting elements are sequentially arranged along the feeding direction of the pipe taking frame 210, and the detecting elements and the eighth driving element are electrically connected with the control module.

The user can adjust the setting parameters to enable a certain detecting member to be effective, when the pipe taking device 200 for clamping and transferring the prefabricated pipe moves to the position of the detecting member, the detecting member generates a signal and transmits the signal to the control module, and the control module stops the eighth driving member to sleeve the prefabricated pipe with the preset length on the receiving core rod 522. Wherein, the detection piece can be arranged as a correlation photoelectric switch.

In this embodiment, the pipe cutting device 800 is further included, the pipe cutting device 800 is disposed on the pipe taking rack 210, and the pipe cutting device 800 can cut the prefabricated pipe.

The tube cutting device 800 includes a roller 810, a ninth driver 820, a sleeve 830, and a tenth driver 840.

Referring to fig. 7, 8 and 9, the rotating roller 810 is rotatably disposed on the pipe taking frame 210, a fourth channel 811 through which the prefabricated pipe passes is disposed in the rotating roller 810, a compressible resilient blade assembly 812 is disposed at an end of the rotating roller 810, a ninth driving member 820 is disposed on the pipe taking frame 210, the ninth driving member 820 is connected with the rotating roller 810, the ninth driving member 820 can drive the rotating roller 810 to rotate, the sleeve 830 is slidably sleeved on the rotating roller 810, an inner sidewall of the sleeve 830 is abutted with the blade assembly 812, a tenth driving member 840 is disposed on the pipe taking frame 210, the tenth driving member 840 is connected with the sleeve 830, and the tenth driving member 840 can drive the sleeve 830 to slide so as to push the blade assembly 812 to move along a direction close to a central axis of the fourth channel 811.

While the ninth driving member 820 drives the rotation roller 810 to rotate, the tenth driving member 840 drives the sleeve 830 to slide, so as to push the blade assembly 812 to move along a direction approaching to the central axis of the fourth channel 811, wherein the blade assembly 812 rotating with the rotation roller 810 abuts against the outer sidewall of the preformed tube, so that the preformed tube can be cut.

The end of the roller 810 is provided with a compressible resilient blade assembly 812, the blade assembly 812 comprising a blade, a slider and a second resilient member.

Referring to fig. 8, an installation cavity is formed at an end of the rotating roller 810, a guide hole and an opening are formed at an end and an end side wall of the rotating roller 810, the guide hole and the opening are respectively communicated with the installation cavity, a slider is slidably arranged in the installation cavity, a blade is fixedly sleeved on the portion of the slider exposed out of the guide hole, the blade is positioned at the end of the rotating roller 810, one end of a second elastic member is abutted to a cavity wall of the installation cavity, the other end of the second elastic member is abutted to the slider, and the second elastic member can drive the slider to move along a direction away from a central axis of the fourth channel 811 so that the slider portion is exposed out of the opening and abutted to an inner side wall of the sleeve 830. Wherein the second elastic member is provided as a spring.

In this embodiment, the end of the rotating roller 810 is provided with a compressible resilient bearing member 813, the number of bearing members 813 is two, and the two bearing members 813 are uniformly disposed with the center axis of the fourth passage 811 of the blade assembly 812.

The arrangement of the compressible resilient spring of bearing assembly 813 is the same as that of blade assembly 812 described above and will not be repeated here.

Through the structure, the integrity of the preformed tube cutting opening can be improved.

In some embodiments, the number of bearing assemblies 813 may be set to three, four, etc.

The sleeve 830 is slidably sleeved on the roller 810, specifically, referring to fig. 8 and 9, a bar 814 is fixed on an outer sidewall of the roller 810, an guiding slot 831 matching with the bar 814 is provided on an inner sidewall of the sleeve 830, and the bar 814 is slidably disposed in the guiding slot 831.

The tenth driving member 840 is connected to the sleeve 830, specifically, referring to fig. 7, 8 and 9, a connecting groove 832 is formed around the outer sidewall of the sleeve 830, a pushing block 841 is fixed at the output end of the tenth driving member 840, the pushing block 841 is provided with a protrusion, and the protrusion is located in the connecting groove 832. The tenth driving part 840 may be provided as a cylinder, a hydraulic cylinder, an electric push rod, or the like.

In this embodiment, the device further includes a straightening and rounding device 900, where the straightening and rounding device 900 is disposed on the machine 100, and the straightening and rounding device 900 can straighten the prefabricated pipe.

The alignment and roundness correction device 900 includes a first reel mechanism 910 and a second reel mechanism 920.

The first rotating mechanism 910 and the second rotating mechanism 920 are both disposed on the machine 100, the first rotating mechanism 910 can straighten the left and right outer side walls of the round prefabricated pipe, and the second rotating mechanism 920 can straighten the upper and lower outer side walls of the round prefabricated pipe.

Referring to fig. 10, the first rotating mechanism 910 includes a fifth rotating wheel and a sixth rotating wheel, each of which is rotatably provided to the machine 100, and each of which is capable of abutting against the left and right outer sidewalls of the prefabricated pipe.

Referring to fig. 10, the second turning wheel mechanism 920 includes a seventh turning wheel and an eighth turning wheel, both of which are rotatably provided on the machine 100, and the seventh turning wheel and the eighth turning wheel can respectively abut against the upper and lower outer sidewalls of the prefabricated pipe.

In this embodiment, the machine 100 is provided with the second pipe clamping mechanism 110, and the second pipe clamping mechanism 110 is disposed on the machine 100, so that the second pipe clamping mechanism 110 can prevent the prefabricated pipe from being retracted after being aligned and rounded during the pipe taking process of the pipe taking device 200.

The second clamping mechanism 110 includes a second clamping plate 111, a second bottom plate 112, and an eleventh driving member 113.

Referring to fig. 10, the second bottom plate 112 is disposed on the machine 100, the second clamping plate 111 is disposed above the second bottom plate 112, the second clamping plate 111 and the second bottom plate 112 together enclose a fifth channel for the prefabricated pipe to pass through, the eleventh driving member 113 is disposed on the machine 100, an output end of the eleventh driving member 113 is connected to the second clamping plate 111, and the eleventh driving member 113 can drive the second clamping plate 111 to move, so that a cross-sectional area of the fifth channel is reduced, and the second clamping plate 111 and the second bottom plate 112 together clamp the prefabricated pipe. Among them, the eleventh driving piece 113 may be provided as a cylinder, a hydraulic cylinder, an electric push rod, and the like.

Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present application, and these equivalent modifications and substitutions are included in the scope of the present application as defined in the appended claims.

Claims

1. The utility model provides a bending machine for buckle prefabricated pipe, its characterized in that: comprising

A machine (100);

the pipe taking device (200) is movably arranged on the machine table (100), and the pipe taking device (200) can clamp the prefabricated pipe;

The driving control device (300) is arranged on the machine table (100), the driving control device (300) is connected with the pipe taking device (200), and the driving control device (300) can drive and control the pipe taking device (200) to move so as to send out the prefabricated pipe with the preset length;

the pipe bending device (500) is arranged on the machine table (100), and the pipe bending device (500) can receive the prefabricated pipe with the preset length fed by the pipe taking device (200) and can bend the received prefabricated pipe backwards along the feeding direction;

The pipe taking device further comprises a supporting device (400), wherein the supporting device (400) is arranged on the machine table (100), the supporting device (400) is positioned on the moving path of the pipe taking device (200), and the supporting device (400) can support the prefabricated pipe and can avoid the pipe taking device (200);

The supporting device (400) comprises at least one supporting mechanism (410), the supporting mechanism (410) is arranged on the machine table (100), and the supporting mechanism (410) can support the prefabricated pipe and can avoid the pipe taking device (200);

The tube taking device (200) comprises:

the pipe taking frame (210) is slidably arranged on the machine table (100), and the pipe taking frame (210) is connected with the driving control device (300);

the first pipe clamping mechanism (220) is arranged on the pipe taking frame (210), the first pipe clamping mechanism (220) is provided with a first channel for the prefabricated pipe to pass through, and the first pipe clamping mechanism (220) can adjust the cross section area of the first channel so as to clamp the prefabricated pipe;

The support mechanism (410) comprises a support frame (411) and a first driving piece (412), the support frame (411) is slidably arranged on the machine table (100), a support gap (411A) for a prefabricated pipe to pass through is formed in the support frame (411), the first driving piece (412) is arranged on the machine table (100), the output end of the first driving piece (412) is connected with the support frame (411), the first driving piece (412) can drive the support frame (411) to slide so as to avoid the pipe taking device (200), the first driving piece (412) can drive the support frame (411) to move upwards, the prefabricated pipe can pass through the support gap (411A), and conversely, the first driving piece (412) can drive the support frame (411) to move downwards, so that the support frame (411) avoids the pipe taking device (200);

Or the supporting mechanism (410) comprises a telescopic plate group and a first driving piece (412), the telescopic plate group is transversely arranged, the telescopic plate group comprises at least two supporting plates, the two adjacent supporting plates are arranged in a stacked mode, the two adjacent supporting plates are connected in a sliding mode, the first driving piece (412) is arranged on the machine table (100), one of the two supporting plates positioned on two sides of the telescopic plate group is connected with the machine table (100), the other supporting plate positioned on the two sides of the telescopic plate group is connected with the output end of the first driving piece (412), and the first driving piece (412) can drive the telescopic plate group to unfold to support the prefabricated pipe and drive the telescopic plate group to be stacked to avoid the pipe taking device (200);

the prefabricated pipe support comprises a support frame (411), and is characterized by further comprising an anti-falling assembly, wherein the anti-falling assembly is arranged on the support frame (411) and can prevent the prefabricated pipe from falling out of the support notch (411A);

the anti-falling component comprises an anti-falling component (413) and a second driving component, the anti-falling component (413) is slidably arranged on the supporting frame (411), the anti-falling component (413) is provided with an anti-falling block 413A corresponding to the supporting notch (411A), the second driving component is arranged on the supporting frame (411), the second driving component is connected with the anti-falling component (413), the second driving component can drive the anti-falling component (413) to slide so as to drive the anti-falling block 413A to seal the supporting notch (411A),

Or the anti-drop assembly comprises a swinging block, a first elastic piece and an adsorption piece, wherein the swinging block is connected to the supporting frame (411) through a pivot, the first elastic piece is sleeved on the pivot, one end of the first elastic piece is connected with the supporting frame (411), the other end of the first elastic piece is connected with the swinging block, the adsorption piece is arranged on the supporting frame (411), the adsorption piece can adsorb the swinging block so that the swinging block swings to seal the supporting notch (411A), and when the adsorption piece stops adsorbing the swinging block, the first elastic piece can drive the swinging block to reset to open the supporting notch (411A);

the first pipe clamping mechanism (220) comprises a first clamping plate (221), a first bottom plate (222) and a seventh driving piece (223);

The first bottom plate (222) is arranged on the pipe taking frame (210), the first clamping plate (221) is arranged above the first bottom plate (222), the first clamping plate (221) and the first bottom plate (222) jointly enclose a first channel for a prefabricated pipe to pass through, the seventh driving piece (223) is arranged on the pipe taking frame (210), the output end of the seventh driving piece (223) is connected with the first clamping plate (221), and the seventh driving piece (223) can drive the first clamping plate (221) to move, so that the cross section area of the first channel is reduced, and then the first clamping plate (221) and the first bottom plate (222) jointly clamp the prefabricated pipe;

The drive control device (300) comprises a first drive mechanism (310) and a control mechanism; the first driving mechanism (310) is arranged on the machine table (100), the first driving mechanism (310) is connected with the pipe taking device (200), the control mechanism is arranged on the machine table (100), and the control mechanism is electrically connected with the first driving mechanism (310); the first driving mechanism (310) comprises a second transmission rod (311), a second connecting block (312) and an eighth driving piece; the second transmission rod (311) is rotatably arranged on the machine table (100), the second connection block (312) is sleeved on the second transmission rod (311) in a threaded manner, the second connection block (312) is fixedly connected with the pipe taking frame (210), the eighth driving piece is arranged on the machine table (100), the output end of the eighth driving piece is connected with the second transmission rod (311), and the eighth driving piece can drive the second transmission rod (311) to rotate so as to drive the pipe taking frame (210) to slide through the second connection block (312);

The control mechanism comprises a control module and a plurality of detection pieces; the control module and the detection pieces are arranged on the machine table (100), the detection pieces are sequentially arranged along the feeding direction of the pipe taking frame (210), and the detection pieces and the eighth driving piece are electrically connected with the control module;

The user can adjust the setting parameters to enable a certain detection part to be effective, when the pipe taking device (200) for clamping and transferring the prefabricated pipe moves to the position of the detection part, the detection part generates a signal and transmits the signal to the control module, and the control module stops the eighth driving part so as to sleeve the prefabricated pipe with the preset length on the receiving core rod (522); wherein the detection piece is arranged as a correlation photoelectric switch; the pipe cutting device (800) is arranged on the pipe taking frame (210), and the pipe cutting device (800) can cut the prefabricated pipe; the pipe cutting device (800) comprises a rotary roller (810), a ninth driving piece (820), a sleeve (830) and a tenth driving piece (840);

The rotary roller (810) is rotatably arranged on the pipe taking frame (210), a fourth channel (811) for penetrating the prefabricated pipe is arranged in the rotary roller (810), a compressible rebound blade assembly (812) is arranged at the end part of the rotary roller (810), a ninth driving piece (820) is arranged on the pipe taking frame (210), the ninth driving piece (820) is connected with the rotary roller (810), the ninth driving piece (820) can drive the rotary roller (810) to rotate, a sleeve (830) is slidably sleeved on the rotary roller (810), the inner side wall of the sleeve (830) is abutted with the blade assembly (812), a tenth driving piece (840) is arranged on the pipe taking frame (210), the tenth driving piece (840) is connected with the sleeve (830), and the tenth driving piece (840) can drive the sleeve (830) to slide so as to push the blade assembly (812) to move along the direction close to the central axis of the fourth channel (811);

While the ninth driving piece (820) drives the rotating roller (810) to rotate, the tenth driving piece (840) drives the sleeve (830) to slide so as to push the blade assembly (812) to move along the direction close to the central axis of the fourth channel (811), and the blade assembly (812) rotating along with the rotating roller (810) is abutted with the outer side wall of the preformed tube, so that the preformed tube can be cut; the end of the roller (810) is provided with a compressible resilient blade assembly (812), the blade assembly (812) comprising a blade, a slider and a second resilient member.

2. A pipe bender according to claim 1, wherein:

Still include detection mechanism (230), detection mechanism (230) are located get pipe support (210), detection mechanism (230) are equipped with the confession prefabricated pipe wears to establish the second passageway, the cross-sectional area of second passageway is greater than the cross-sectional area of prefabricated pipe.

3. A pipe bender according to claim 2, wherein:

The detection mechanism (230) includes:

The detection piece is arranged on the pipe taking frame (210), and the detection piece is provided with the second channel;

The circuit module is provided with two connecting terminals, and the two connecting terminals are respectively and electrically connected with the detection piece and the prefabricated pipe.

4. A pipe bender according to claim 1, wherein:

the pipe bending device (500) comprises:

A bending die (510) arranged on the machine table (100);

The turnover frame (520) is rotatably arranged on the machine table (100), the turnover frame (520) is provided with a leaning mold (521) and a receiving core bar (522), and the receiving core bar (522) can receive the prefabricated pipe fed by the pipe taking device (200);

The second driving mechanism (530) is arranged on the machine table (100), the second driving mechanism (530) is connected with the roll-over stand (520), and the second driving mechanism (530) can drive the roll-over stand (520) to roll backwards along the feeding direction, so that the explorator (521) rolls over to bend the prefabricated pipe on the receiving core bar (522) to the bending die (510).

5. A pipe bender according to claim 4, wherein:

still include material returning device (600), material returning device (600) are located roll-over stand (520), material returning device (600) can make after the bending prefabricated pipe is moved back off roll-over stand (520).