CN112620431B - Pipe bender - Google Patents
Pipe bender Download PDFInfo
- Publication number
- CN112620431B CN112620431B CN202110038441.0A CN202110038441A CN112620431B CN 112620431 B CN112620431 B CN 112620431B CN 202110038441 A CN202110038441 A CN 202110038441A CN 112620431 B CN112620431 B CN 112620431B
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- China
- Prior art keywords
- pipe
- mounting seat
- fixing
- fixing device
- driving mechanism
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 131
- 238000005452 bending Methods 0.000 claims abstract description 83
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims description 51
- 238000001514 detection method Methods 0.000 claims description 22
- 238000013519 translation Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 241001631030 Explorator Species 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 15
- 238000013459 approach Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/05—Bending tubes using mandrels or the like co-operating with forming members
- B21D9/07—Bending tubes using mandrels or the like co-operating with forming members with one or more swinging forming members engaging tube ends only
- B21D9/076—Bending tubes using mandrels or the like co-operating with forming members with one or more swinging forming members engaging tube ends only with more swinging forming members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D9/00—Bending tubes using mandrels or the like
- B21D9/16—Auxiliary equipment, e.g. machines for filling tubes with sand
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a pipe bending machine, which comprises a frame, a first fixing device, a second fixing device, a bending die and a turnover device, wherein the first fixing device comprises at least one first fixing mechanism, the first fixing mechanism comprises a first inserting core and a first profiling, a first pipe clamping gap is arranged between the first inserting core and the first profiling, the second fixing device comprises a second fixing mechanism which corresponds to the first fixing mechanism one by one, the second fixing mechanism comprises a second inserting core and a second profiling, a second pipe clamping gap is arranged between the second inserting core and the second profiling, the bending die is arranged between the first fixing mechanism and the second fixing mechanism, the turnover device is arranged on the frame, the turnover device is connected with the first fixing device and/or the second fixing device to drive the first fixing device and the second fixing device to rotate relatively, copper scraps are not required to be generated when the pipe is cut by a saw blade, and two ends of the pipe are clamped and fixed by the first fixing mechanism and the second fixing mechanism, so that the bent rear end face of the pipe is flush.
Description
Technical Field
The invention relates to the technical field of pipe processing, in particular to a pipe bending machine.
Background
When the traditional pipe bending machine is used for bending pipes, the pipes are generally bent, then the saw blade is used for cutting the two end faces of the bent pipes, and the saw blade cutting can lead to the fact that scraps, lubricating oil and the like are attached to finished products, so that the finished products are required to be cleaned, the process is troublesome, the energy consumption is high, and cleaning waste is required to be treated, otherwise, the risk of environmental pollution exists.
The existing pipe bending equipment can intercept a pipe with proper length firstly, then clamp and fix one end of the intercepted pipe, the other end of the pipe is in a free state, and the machine drives the free end to drive the pipe to bend, so that the pipe bending process is simpler than that of the traditional pipe bending process, a cleaning link is saved, environmental pollution is reduced, but in the bending process, the bending radiuses of the inner side and the outer side of the pipe are different, the stretching degrees of the inner side and the outer side of the pipe are different, and when the length of a straight line section of the pipe is very short, the free end of the pipe can generate serious bevel connection, the quality of a finished product is lower, and the production cost is increased.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the pipe bending machine, simplifies the pipe bending process, solves the bevel connection problem of the end face of the bent pipe, and improves the quality of finished products.
An embodiment of a pipe bender according to a first aspect of the present invention comprises: a frame; the first fixing device comprises at least one first fixing mechanism, the first fixing mechanism comprises a first lock pin and a first profiling, and a first pipe clamping gap is arranged between the first lock pin and the first profiling; the second fixing device comprises second fixing mechanisms which are in one-to-one correspondence with the first fixing mechanisms, the second fixing mechanisms comprise second inserting cores and second profiling, and a second pipe clamping gap is arranged between the second inserting cores and the second profiling; the bending die is arranged between the first fixing mechanism and the second fixing mechanism; the turnover device is arranged on the frame and connected with the first fixing device and/or the second fixing device so as to drive the first fixing device and the second fixing device to rotate relatively.
The pipe bending machine provided by the embodiment of the invention has at least the following beneficial effects:
The pipe bending machine disclosed by the invention can be used for bending intercepted pipes without adopting a saw blade to cut, copper scraps cannot be generated, the process is simple, the energy consumption is reduced, waste is reduced, the pipe bending machine is energy-saving and environment-friendly, one end of the pipe is connected into a first pipe clamping gap in a first fixing mechanism, a first explorator is abutted against the outer side wall of one end of the pipe, a first inserting core can be inserted into one end of the pipe, the inner side wall of one end of the pipe is abutted against the inner side wall of the other end of the pipe, the other end of the pipe is connected into a second pipe clamping gap in a second fixing mechanism, the second explorator is abutted against the outer side wall of the other end of the pipe, the second inserting core is inserted into the other end of the pipe, the inner side wall of the other end of the pipe is abutted against the side wall of the middle of the pipe, and the bending die is used for being abutted against the side wall of the middle of the pipe, and the turning device drives the first fixing device and the second fixing device to rotate relatively, so that the pipe is bent into the pipe.
According to some embodiments of the invention, the first fixing device comprises a first base, a first translational driving mechanism, a first abutting pipe, a first mounting seat and a second mounting seat, the turnover device is connected with the first base, the first abutting pipe is movably sleeved on the first inserting core, the first inserting core is arranged on the first mounting seat, the first abutting pipe is arranged on the second mounting seat, the first translational driving mechanism is arranged on the first base, the first translational driving mechanism is respectively connected with the first mounting seat and the second mounting seat, and can drive the first mounting seat and the second mounting seat to translate relative to the first base along the inserting direction of the first inserting core, or drive the first mounting seat and the second mounting seat to translate relative to each other along the inserting direction of the first inserting core.
According to some embodiments of the invention, the second fixing device includes a second base, a second translational driving mechanism, a second abutting tube, a third mounting seat and a fourth mounting seat, the second base is disposed on the frame, the second abutting tube is movably sleeved on the second ferrule, the second ferrule is disposed on the third mounting seat, the second abutting tube and the second explorator are disposed on the fourth mounting seat, the second translational driving mechanism is disposed on the second base, the second translational driving mechanism is respectively connected with the third mounting seat and the fourth mounting seat, and the second translational driving mechanism can drive the third mounting seat and the fourth mounting seat to translate relative to the second base along an inserting direction of the second ferrule, or drive the third mounting seat and the fourth mounting seat to translate relative to the second base along an inserting direction of the second ferrule.
According to some embodiments of the invention, the second translational driving mechanism includes a follower assembly disposed on the second base, the follower assembly being respectively connected to the third mount and the fourth mount such that the second abutment tube and the second ferrule follow the pipe body to be processed when the turning device drives the first fixing device to turn.
According to some embodiments of the invention, the pipe cutting device further comprises a pipe cutting device, a third translation driving mechanism and a lifting driving mechanism, wherein the third translation driving mechanism is arranged on the frame, the third translation driving mechanism is connected with the pipe cutting device to drive the pipe cutting device to move, the second fixing device is arranged between the first fixing device and the pipe cutting device, the lifting driving mechanism is arranged on the frame, and the lifting driving mechanism is connected with the second fixing device to drive the second fixing device to lift, so that a avoidance space allowing the pipe cutting device to be close to the first fixing device is formed.
According to some embodiments of the invention, the pipe cutting device further comprises a conveying device, wherein the conveying device is arranged on the frame, the conveying device is located on one side of the pipe cutting device, which is away from the second fixing device, and the conveying device can convey the pipe body to be processed towards the first fixing device.
According to some embodiments of the invention, the bending die and the first profiling are arranged on the first base, a first groove is arranged on the first profiling, a pipe bending groove is arranged on the bending die, and the first groove and the pipe bending groove are combined to form the first limiting space.
According to some embodiments of the invention, the second mounting seat is provided with a loose core parallel to the inserting direction of the first ferrule, and the loose core is movably arranged on the bending die in a penetrating manner.
According to some embodiments of the invention, the outer contour of the bending die is in a U shape, and the loose core can extend out of the protruding end of the U shape of the bending die.
According to some embodiments of the invention, the first fixing mechanism further comprises a first positioning detection assembly for detecting position information of the pipe to be processed relative to the first fixing mechanism; the second fixing mechanism further comprises a second positioning detection assembly, and the second positioning detection assembly is used for detecting position information of the pipe to be processed relative to the second fixing mechanism.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
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 schematic perspective view of one embodiment of a pipe bender according to the present invention;
FIG. 2 is a schematic diagram of one embodiment of a pipe bender according to the present invention;
FIG. 3 is a perspective view of a first fixture and a pipe cutting apparatus of one embodiment of a pipe bender according to the present invention;
FIG. 4 is a schematic view of a pipe cutting apparatus according to one embodiment of the pipe bender;
FIG. 5 is an enlarged schematic view of portion A of one embodiment of the pipe bender of the present invention depicted in FIG. 4;
FIG. 6 is an exploded view of a tube cutting device according to one embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a tube cutting station of one embodiment of the tube bender of the present invention;
FIG. 8 is an enlarged schematic view of a portion B of one embodiment of the pipe bender of the present invention depicted in FIG. 7;
FIG. 9 is a schematic cross-sectional view of one embodiment of a tubing bender according to the present invention;
FIG. 10 is an enlarged schematic view of portion C of one embodiment of the pipe bender of the present invention of FIG. 9;
FIG. 11 is a schematic perspective view of a pipe bending machine according to an embodiment of the present invention
FIG. 12 is a schematic cross-sectional view of a pipe bending machine according to one embodiment of the present invention;
FIG. 13 is an enlarged schematic view of portion D of one embodiment of the pipe bender of the present invention of FIG. 12;
FIG. 14 is a partially exploded view of a first fixture of one embodiment of the tube bending machine of the present invention;
FIG. 15 is an enlarged schematic view of portion E of one embodiment of the pipe bender of the present invention of FIG. 14;
FIG. 16 is a partially exploded view of a second fixture of one embodiment of the tube bender of the present invention.
Reference numerals:
The frame 100, the pouring tray 110, the first fixing device 200, the first fixing mechanism 210, the first ferrule 220, the first abutment 230, the first base 240, the first translational driving mechanism 250, the first cylinder 251, the second cylinder 252, the first guide rail 253, the first mount 260, the second mount 270, the first master cylinder 280, the first recess 281, the second fixing device 300, the second fixing mechanism 310, the second ferrule 320, the second abutment 330, the second base 340, the second translational driving mechanism 350, the third cylinder 351, the fourth cylinder 352, the second guide rail 353, the third mount 360, the fourth mount 370, the second master cylinder 380, the upper plate 381, the lower plate 382, the second recess 383, the third recess 384, the lifting driving mechanism 390, the bending die 400, the bending tube 410, the flipping device 500, the cutting tube device 600, the tool mount 610, the tool bit 620, the rotary cutter blade 630, the supporting roller 640, the adjusting sleeve 650, the second conical surface 651, the pushing assembly 670, the sliding block 671, the first conical surface mechanism 671, the third translational driving unit 700, the second translational driving unit 720, the feeding unit 900, the second translational driving unit 900.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying 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 noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 16, the pipe bender according to the first aspect of the present invention includes a frame 100, a first fixing device 200, a second fixing device 300, a bending mold 400 and a turning device 500, wherein the first fixing device 200 includes at least one first fixing mechanism 210, the first fixing mechanism 210 includes a first ferrule 220 and a first profiling 280, a first pipe clamping gap is disposed between the first ferrule 220 and the first profiling 280, the second fixing device 300 includes a second fixing mechanism 310 corresponding to the first fixing mechanism 210 one by one, the second fixing mechanism 310 includes a second ferrule 320 and a second profiling 380, a second pipe clamping gap is disposed between the second ferrule 320 and the second profiling 380, the bending mold 400 is disposed between the first fixing mechanism 210 and the second fixing mechanism 310, the turning device 500 is disposed on the frame 100, and the turning device 500 is connected with the first fixing device 200 and/or the second fixing device 300 to enable the first fixing device 200 and the second fixing device 300 to rotate relatively.
As shown in fig. 1 and 2, the first fixing device 200 is provided with a plurality of first fixing mechanisms 210 which are arranged transversely in sequence, the second fixing device 300 is provided with a plurality of second fixing mechanisms 310 which are arranged transversely in sequence, and the bending die 400 is also provided with a plurality of bending grooves 410, wherein the first fixing mechanisms 210, the second fixing mechanisms 310 and the bending grooves 410 are the same in number and are matched one by one, before the pipe bending operation, the first inserting cores 220 on the first fixing mechanisms 210 and the second inserting cores 320 on the second fixing mechanisms 310 which are matched with each other are opposite to each other, so that two ends of the pipe can be respectively connected, the bending die 400 is positioned between the first fixing mechanisms 210 and the second fixing mechanisms 310 so as to be capable of pressing against the side wall of the pipe in the bending process, and the pipe is positioned in the bending groove 410 so as to limit the pipe.
In some embodiments of the present invention, the bending mold 400 may be disposed on the first fixing mechanism 210, or disposed on the second fixing mechanism 310, or disposed on the frame 100, and the turning device 500 may be connected to the first fixing device 200, as shown in fig. 11 and 12, to drive the first fixing device 200to turn relative to the second fixing mechanism 310, and of course, the turning device 500 may also be connected to the first fixing device 200 and the second fixing device 300, respectively, to drive the first fixing device 200 and the second fixing device 300 to turn relative to each other.
According to the pipe bending machine disclosed by the invention, the intercepted pipe can be subjected to pipe bending treatment without saw blade cutting, copper scraps cannot be generated, the process is simple, one end of the pipe is connected into a first pipe clamping gap in the first fixing mechanism 210, the first profiling 280 is abutted against the outer side wall of one end of the pipe, the first inserting core 220 can be inserted into one end of the pipe, the inner side wall of one end of the pipe is abutted against the inner side wall of the other end of the pipe, the other end of the pipe is connected into a second pipe clamping gap in the second fixing mechanism 310, the second profiling 380 is abutted against the outer side wall of the other end of the pipe, the second inserting core 320 is inserted into the other end of the pipe, the inner side wall of the other end of the pipe is abutted against the inner side wall of the pipe, the bending die 400 is used for being abutted against the side wall of the middle part of the pipe, and the turning device 500 drives the first fixing device 200 and the second fixing device 300 to relatively rotate, so that the pipe is bent into the pipe.
In some embodiments of the present invention, as shown in fig. 8, 10 and 13, the first fixing device 200 includes a first base 240, a first translational driving mechanism 250, a first abutment tube 230, a first mounting seat 260 and a second mounting seat 270, the turning device 500 is connected to the first base 240, the first abutment tube 230 is movably sleeved on the first ferrule 220, the first ferrule 220 is disposed on the first mounting seat 260, the first abutment tube 230 is disposed on the second mounting seat 270, the first translational driving mechanism 250 is disposed on the first base 240, and the first translational driving mechanism 250 is respectively connected to the first mounting seat 260 and the second mounting seat 270 to enable the first mounting seat 260 and the second mounting seat 270 to translate relative to the first base 240 along an inserting direction of the first ferrule 220 or enable the first mounting seat 260 and the second mounting seat 270 to translate relative to the first base 240 along an inserting direction of the first ferrule 220, and the first abutment tube 230 is capable of abutting against an end surface of a pipe to adjust and define a position of the pipe inserted into the first ferrule 220.
When the first translation driving mechanism 250 drives the first mount 260 and the second mount 270 to move simultaneously, no relative displacement occurs between the first ferrule 220 and the first abutment tube 230, but the first ferrule 220 and the first abutment tube 230 translate relative to the first base 240, so that the position of the pipe relative to the first base 240 can be adjusted, and the positions of the pipe and the bending die can be adjusted, and the pipe can be made to approach the second fixing device 300 after being cut.
When the first translational driving mechanism 250 drives the first mounting seat 260 and the second mounting seat 270 to relatively move, the first ferrule 220 and the first abutting tube 230 relatively move, so that the depth of the first ferrule 220 inserted into the pipe can be adjusted, and the pipe can be driven to be separated from the first ferrule 220 after the pipe bending is completed
In some embodiments of the present invention, the turning device 500 may be formed by a motor, a speed reducer and a rotating shaft, the motor drives the rotating shaft to rotate through the speed reducer, and then the rotating shaft drives the first fixing device 200 to integrally turn, and in some embodiments of the present invention, the turning device 500 may be formed by a cylinder and a rotary transmission structure.
Specifically, the turning device 500 may include a motor, a first transmission shaft, a second transmission shaft, a driving sprocket, a driven sprocket, and a chain (not shown in the drawings), where the first driving motor is disposed on the frame 100, the first transmission shaft is rotatably disposed on the frame 100, the motor is connected to the first transmission shaft through a belt transmission structure, the driving sprocket is fixedly connected with the first transmission shaft, the rotating member and the driven sprocket are fixedly connected through the second transmission shaft, the chain is wound on the driving sprocket and the driven sprocket, and the motor drives the first transmission shaft to rotate through a belt transmission structure or a gear transmission structure, so as to drive the driving sprocket and the driven sprocket to rotate, and further drive the first fixing device 200 to rotate.
In some embodiments of the present invention, as shown in fig. 3, 7 and 9, the first translational driving mechanism 250 may include a first cylinder 251, a second cylinder 252 and a first rail 253, the first rail 253 is disposed on the first base 240, the first mount 260 and the second mount 270 are both disposed on the first rail 253, the second cylinder 252 is disposed on the second mount 270, and the second cylinder 252 is connected to the first mount 260 so as to be capable of driving the first mount 260 to move along the first rail 253, so as to be capable of adjusting the relative positions of the first mount 260 and the second mount 270 along the insertion direction of the first ferrule 220, so as to enable the first ferrule 220 to slide relatively with the first abutment tube 230, and the first cylinder 251 is disposed on the first base 240, and the first cylinder 251 is connected to the second mount 270 so as to be capable of driving the second mount 270 and the first mount 260 to move along the first rail 253 together.
In some embodiments of the present invention, the first translational drive mechanism 250 may also be driven in motion by a motor in combination with a chain, sprocket, or a linear drive mechanism such as a gear, rack, or the like.
In some embodiments of the present invention, the second fixing device 300 includes a second base 340, a second translational driving mechanism 350, a second abutment tube 330, a third mount 360 and a fourth mount 370, the second base 340 is disposed on the frame 100, the second abutment tube 330 is movably sleeved on the second ferrule 320, the second ferrule 320 is disposed on the third mount 360, the second abutment tube 330 and a second backup die 380 are disposed on the fourth mount 370, the second translational driving mechanism 350 is disposed on the second base 340, and the second translational driving mechanism 350 is respectively connected with the third mount 360 and the fourth mount 370 to enable the third mount 360 and the fourth mount 370 to translate relative to the second base 340 along an insertion direction of the second ferrule 320 or enable the third mount 360 and the fourth mount 370 to translate relative to the second base 340 along an insertion direction of the second ferrule 320, and the second abutment tube 330 is capable of abutting against an end surface of a pipe to adjust and define a position of the pipe inserted into the second ferrule 320.
When the second translational driving mechanism 350 drives the third mount 360 and the fourth mount 370 to move simultaneously, no relative displacement occurs between the second ferrule 320 and the second abutment tube 330, but the second ferrule 320 and the second abutment tube 330 translate relative to the second base 340, so that the second ferrule 320 and the second abutment tube 330 can also approach in a direction toward the first ferrule 220 and the first abutment tube 230 while the first ferrule 220 and the first abutment tube 230 approach the second fixture 300, so that a pipe can be inserted into the second ferrule 320; and by adjusting the positions of the first ferrule 220 and the first abutment tube 230 relative to the first base 240 and the positions of the second ferrule 320 and the second abutment tube 330 relative to the second base 340, the cooperation of the two can define the position of the tubing relative to the bending die 400, making the bending position more precise.
Similarly, when the second translational driving mechanism 350 drives the third mount 360 and the fourth mount 370 to relatively move, the second ferrule 320 and the second abutment tube 330 relatively move, so that the depth of the second ferrule 320 inserted into the pipe can be adjusted, and the pipe can be driven to be separated from the second ferrule 320 after the pipe bending is completed.
In some embodiments of the present invention, as shown in fig. 9, 12 and 16, the second translational driving mechanism 350 may include a third cylinder 351, a fourth cylinder 352 and a second guide 353, the second guide 353 is disposed on the second base 340, the third mount 360 and the fourth mount 370 are both disposed on the second guide 340, the fourth cylinder 352 is disposed on the fourth mount 370, the fourth cylinder 352 is connected to the third mount 360 so as to be capable of driving the third mount 360 to move along the second guide 353, so as to be capable of adjusting the relative positions of the third mount 360 and the fourth mount 370 along the insertion direction of the second ferrule 320, so as to enable the second ferrule 320 to slide relatively with the second abutment tube 330, and the fourth cylinder 352 is disposed on the second base 340, the third cylinder 351 is connected to the fourth mount 370 so as to be capable of driving the fourth mount 370 and the third mount 360 to move along the second guide 353 together.
In some embodiments of the present invention, the second translational drive mechanism 350 may also be driven in motion by a motor in combination with a chain, sprocket, or a linear drive mechanism such as a gear, rack, or the like.
In some embodiments of the present invention, the present design further includes a tube cutting device 600 and a delivery device 700, where the tube cutting device 600 and the delivery device 700 are disposed on the frame 100.
The relative positional relationship of the first fixture 200, the second fixture 300, the tube cutting device 600, and the delivery device 700 on the frame 100 is selected from a variety of ways, and in some embodiments of the present invention, as shown in fig. 1, 2, 3, 7, and 9, the second fixture 300 is located between the first fixture 200 and the tube cutting device 600, the present design further includes a third translational drive mechanism 680 and a lift drive mechanism 390, the third translational drive mechanism 680 is disposed on the frame 100, the third translational drive mechanism 680 is connected to the tube cutting device 600 to be capable of driving the tube cutting device 600 to move, the lift drive mechanism 390 is disposed on the frame 100, and the lift drive mechanism 390 is connected to the second fixture 300 to be capable of driving the second fixture 300 to lift (in particular, the lift drive mechanism 390 is connectable to the second base 340), thereby forming a relief space that allows the tube cutting device 600 to approach the first fixture 200.
While the conveying device 700 is located at a side of the pipe cutting apparatus 600 facing away from the second fixing device 300, the conveying device 700 is capable of conveying the pipe body to be processed toward the first fixing device 200.
In the processing process, the pipe is input from one side of the conveying device 700, the conveying device 700 conveys, before the pipe bending operation, the lifting driving mechanism 390 drives the second fixing device 300 to move downwards to provide sufficient avoidance space, one end of the pipe passes through the pipe cutting device 600 and then reaches the first fixing device 200, one end of the pipe is inserted into the first inserting core 220, the end face of one end of the pipe is abutted against the first abutting pipe 230 and is fixed by the first fixing device 200, the third translation driving mechanism 680 drives the pipe cutting device 600 to approach the first fixing device 200, and the pipe with a proper length is cut, after the cutting is completed, the third translation driving mechanism 680 drives the pipe cutting device 600 to move backwards, the other end of the cut pipe protrudes out of the first fixing device 200, at the moment, the lifting driving mechanism 390 drives the second fixing device 300 to move upwards, and the second translation driving mechanism 350 on the second fixing device 300 drives the third mounting seat 360 and the fourth mounting seat 370, so that the second inserting core 320 is inserted into the other end face of the cut pipe, and the second abutting pipe 330 abuts against the other end face of the cut pipe.
As shown in fig. 3, 7 and 9, the third translation driving mechanism 680 and the lifting mechanism may be formed by matching air cylinders with guide rails, or selected from conventional linear transmission structures, which will not be described in detail.
In some embodiments of the present invention, the pipe cutting apparatus 600 is an inner cutter apparatus, as shown in fig. 4, 5 and 6, the inner cutter apparatus may include a cutter mounting base 610, a cutter head 620, a rotary cutter blade 630, a supporting roller 640, and a first driving assembly (not shown in the drawings), the cutter mounting base 610 is slidably disposed on the frame 100, the cutter head 620 is rotatably mounted on the cutter mounting base 610, the rotary cutter blade 630 is mounted on the cutter head 620, the supporting roller 640 is mounted on the cutter head 620 and disposed on the same side as the rotary cutter blade 630, and the first driving assembly is fixedly disposed on the cutter mounting base 610 and is capable of driving the cutter head 620 to rotate.
The pipe cutting device is used for cutting the pipe, the length of the pipe can be determined, only one end needs to be cut each time, the waste of the material is avoided by effectively avoiding the production of the residual material of the pipe, meanwhile, the supporting roller is used for assisting in limiting the pipe, the pipe is stressed uniformly when fed, the pipe is prevented from shaking, the cutting surface is smooth, the production of chips can be reduced, and the environment is protected.
It should be noted that, the first driving component may be a driving motor, and the driving motor drives the cutter head 620 to rotate through belt transmission or gear transmission.
In some embodiments of the present invention, the tool bit 620 has a pipe insertion channel, the tool bit 620 is slidably sleeved with an adjusting sleeve 650, the tool mounting seat 610 is provided with a pushing component 660 capable of driving the adjusting sleeve 650 to slide, the rotary cutting blade 630 is fixedly provided with a sliding block 670 and is slidably arranged on the tool bit 620 through the sliding block 670, one end of the sliding block 670 is provided with a first conical surface 671, the inner wall of the front end of the adjusting sleeve 650 is provided with a second conical surface 651, the first conical surface 671 is matched with the second conical surface 651, a reset spring is arranged between the tool bit 620 and the sliding block 670, and the reset spring can drive the sliding block 670 to reset, thereby driving the rotary cutting blade 630 to reset. The supporting roller 640 is mounted in the same manner as the rotary cutting blade 630.
In the cutting process, the second conical surface 651 of the adjusting sleeve 650 is not contacted with the first conical surface 671 of the sliding block 670, at this time, the pipe can be penetrated with the tool bit 620 along the channel, then the pushing component 660 pushes the adjusting sleeve 650 to slide, the second conical surface 651 of the adjusting sleeve 650 extrudes towards the first conical surface 671 of the sliding block 670, so that the sliding block 670 is subjected to a force pointing to the circle center along the diameter, the sliding block 670 slides along the circle center along the diameter, and the rotary cutting blade 630 rolls around the center of the tool bit 620 on the outer wall of the pipe, thereby realizing circular cutting of the pipe; at the end of the circular cutting, the adjusting sleeve 650 is reset, the second tapered surface 651 of the adjusting sleeve 650 is not in contact with the first tapered surface 671 of the sliding block 670, and the rotary cutting blade 630 is reset by a reset spring, wherein the pushing assembly 660 may be a motor and a push wheel matched with the motor.
In some embodiments of the present invention, the conveying device 700 includes a first feeding unit 710, a second feeding unit 720, and a second driving assembly, where the first feeding unit 710 is disposed on the frame 100, the second feeding unit 720 is located between the pipe cutting device 600 and the first feeding unit 710, and the second feeding unit 720 is movably disposed on the frame 100, and the second driving assembly may drive the second feeding unit 720 to move relative to the first feeding unit 710, and in particular, the second feeding unit 720 may be disposed on the pipe cutting device 600, and the second driving assembly may be configured in the same structure as the third translational driving mechanism 680.
Specifically, the first feeding unit 710 and the second feeding unit 720 each include an upper clamping block, a lower clamping block, and a clamping driving assembly, wherein a feeding channel is disposed between the upper clamping block and the lower clamping block, and the clamping driving assembly is in transmission connection with the upper clamping block to drive the upper clamping block to approach or separate from the lower clamping block.
When the pipe is conveyed, the second feeding unit 720 clamps the pipe, the first feeding unit 710 is in a loose state, the second driving assembly drives the second feeding unit 720 to move forward, so that the pipe is driven to move forward, the first fixing device 200 is fixed, then the pipe cutting device 600 cuts a proper length, the second feeding unit 720 releases the pipe, the first feeding unit 710 clamps the pipe, the second driving assembly drives the second feeding unit 720 to move backward to a proper position, the pipe is clamped by the second feeding unit 720, the first feeding unit 710 releases, and the second driving assembly drives the second feeding unit 720 to return, so that an upward moving space is provided for the second fixing device 300.
In some embodiments of the present invention, the frame 100 is further provided with a round calibrating and straightening device 800, where the round calibrating and straightening device 800 is a conventional technology in the art, and not described herein, the pipe passing through the round calibrating and straightening device 800 enters the first feeding unit 710.
In some embodiments of the present invention, the first fixing mechanism 210 further includes a first positioning detecting component for detecting position information of the pipe to be processed relative to the first fixing mechanism 210; the second fixing mechanism 310 further includes a second positioning detection assembly for detecting position information of the pipe to be processed with respect to the second fixing mechanism 310.
The first positioning detection assembly and the second positioning detection assembly can be photoelectric sensors or touch switches, and due to the fact that specific setting positions of the first positioning detection assembly and the second positioning detection assembly of different components are different, specific positions of the first positioning detection assembly and the second positioning detection assembly are not seen in the drawing.
Wherein, the first positioning detection component and the second positioning detection component may be touch switches, the first positioning detection component is disposed on the first base 240 and can be in contact with the first abutting tube 230, the second positioning detection component is disposed on the second base 340 and can be in contact with the second abutting tube 330, and when the pipe abuts against the first abutting tube 230 or the second abutting tube 330, the first positioning detection component and the second positioning detection component can generate a trigger signal.
Specifically, the pipe bender of this design is provided with controlling means, and controlling means is connected with first location detection subassembly, second location detection subassembly electricity respectively in order to learn tubular product position to trigger signal processing, and then controlling means can also control first translation actuating mechanism 250, second translation actuating mechanism 350, third translation actuating mechanism 680, turning device 500, lift actuating mechanism 390, first actuating assembly etc. and move.
For example, during the pipe cutting process, the control device drives the third translational driving mechanism 680 and the second driving assembly in the conveying device 700 to operate, so that the pipe is conveyed to the first fixing device 200, the first positioning detecting assembly detects the position of the pipe, and then the pipe cutting device 600 is driven to reach a proper position for cutting.
For another example, during the pipe bending process, the control device first translation driving mechanism 250 and the second translation driving mechanism 350 adjust the relative positions of the first abutting pipe 230 and the second abutting pipe 330, so that the first abutting pipe 230 and the second abutting pipe 330 keep abutting with the two end surfaces of the pipe during the pipe bending process, and the pipe bending effect is optimized.
In some embodiments of the present invention, as shown in fig. 9, 10, 11, 12, and 13, the second translational driving mechanism 350 includes a follower assembly disposed on the second base 340, and the follower assembly is respectively connected to the third mount 360 and the fourth mount 370, such that the second abutment tube 330, the second ferrule 320, and the second backup die 380 follow the pipe body to be processed when the turning device 500 drives the first fixture 200 to turn.
Specifically, the follower assembly may replace the third cylinder 351 in the above embodiment, and a servo motor is connected to the fourth mount 370, so that during the pipe bending process, the fourth mount 370 is gradually pushed so that the second abutting pipe 330 abuts against the end surface of the pipe, or it needs to be noted that during the pipe bending process, the follower assembly may not apply a pushing force, but the turning device 500 drives the first fixing device 200 to turn over, so as to apply a force to the pipe, and the pipe conducts a force, so that the second fixing device 300 follows, and the second abutting pipe 330 maintains abutting against the end surface of the pipe.
In the bending process, the follow-up assembly drives the second abutting pipe 330, the second lock pin 320 and the second profiling 380 to synchronously follow up, so that the stretching variable of the pipe is small, and the influence on the service life caused by the fact that the wall thickness of the pipe is too thin due to stretching at the bending position is avoided.
In some embodiments of the present invention, as shown in fig. 10, 13, 14, and 15, the bending mold 400 and the first master mold 280 are disposed on the first base 240, a first limiting space allowing the pipe body to be processed to be inserted is formed between the first master mold 280 and the bending mold 400, and the first ferrule 220 and the first abutment pipe 230 are inserted in the first limiting space.
Specifically, the bending mold 400 may be provided with the bending groove 410, the first profiling 280 is provided with the first groove 281, the first groove 281 and the bending groove 410 are spliced to form a first limiting space with a cross section being approximately circular, and the pipe can be arranged in the first limiting space in a penetrating manner, so that in the pipe bending process, the first ferrule 220 abuts against the inner side wall of the pipe, the first profiling 280 abuts against the outer side wall of the pipe, the first abutting pipe 230 abuts against the end face of the pipe, positioning is achieved, the pipe is fixed in a full range, and the pipe bending effect is improved.
In some embodiments of the present invention, as shown in fig. 16, a second spacing space allowing the pipe body to be processed to be inserted is provided on the second profile 380, and the second ferrule 320 and the second abutment pipe 330 are inserted in the second spacing space.
In some embodiments of the present invention, the second profiling 380 includes an upper plate 381 and a lower plate 382, the upper plate 381 is provided with a second groove 383, the lower plate 382 is provided with a third groove 384, the upper plate 381 and the lower plate 382 are enclosed to form a second limit space which is approximately circular, and the other end of the pipe can be arranged in the second limit space in a penetrating manner, so that during the pipe bending process, the second ferrule 320 abuts against the inner side wall of the pipe, the second profiling 380 abuts against the outer side wall of the pipe, and the second abutting pipe 330 abuts against the end face of the pipe, so that positioning is achieved, thereby fixing the pipe in a full range and improving the pipe bending effect.
In some embodiments of the present invention, as shown in fig. 11-15, the second mounting seat 270 is provided with a core pulling 900 parallel to the insertion direction of the first ferrule 220, the core pulling 900 is movably inserted into the bending mold 400, the outer contour of the bending mold 400 is in a "U" shape, and the core pulling 900 can extend out from the protruding end of the "U" shape of the bending mold 400.
When the bending tube is completed, the first translational driving mechanism 250 pushes the first mounting seat 260 and the second mounting seat 270 to relatively displace, meanwhile, the first translational driving mechanism 250 pushes the second mounting seat 270 to relatively displace with respect to the first base 240, the second translational driving mechanism 350 also pushes the third mounting seat 360 and the fourth mounting seat 370 to relatively displace, the first abutting tube 230 and the first ferrule 220 relatively displace, the second abutting tube 330 and the second ferrule 320 relatively displace, and the core pulling 900 can also abut against the side wall in the middle of the bending tube, so that the bending tube can be more smoothly dropped onto the pouring plate 110 arranged on the frame 100, and the bending tube process is completed.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The bending machine, its characterized in that includes:
A frame;
The first fixing device comprises at least one first fixing mechanism, the first fixing mechanism comprises a first lock pin and a first profiling, and a first pipe clamping gap is arranged between the first lock pin and the first profiling;
The second fixing device comprises second fixing mechanisms which are in one-to-one correspondence with the first fixing mechanisms, the second fixing mechanisms comprise second inserting cores and second profiling, and a second pipe clamping gap is arranged between the second inserting cores and the second profiling;
the bending die is arranged between the first fixing mechanism and the second fixing mechanism; the turnover device is arranged on the frame and is connected with the first fixing device and/or the second fixing device so as to drive the first fixing device and the second fixing device to rotate relatively;
The first fixing device comprises a first base, a first translation driving mechanism, a first abutting pipe, a first mounting seat and a second mounting seat, wherein the turnover device is connected with the first base, the first abutting pipe is movably sleeved on the first inserting core, the first inserting core is arranged on the first mounting seat, the first abutting pipe is arranged on the second mounting seat, the first translation driving mechanism is arranged on the first base, the first translation driving mechanism is respectively connected with the first mounting seat and the second mounting seat, and can drive the first mounting seat and the second mounting seat to translate relative to the first base along the inserting direction of the first inserting core, or drive the first mounting seat and the second mounting seat to translate relative to each other along the inserting direction of the first inserting core;
The second fixing device comprises a second base, a second translational driving mechanism, a second abutting pipe, a third mounting seat and a fourth mounting seat, wherein the second base is arranged on the rack, the second abutting pipe is movably sleeved on the second inserting core, the second inserting core is arranged on the third mounting seat, the second abutting pipe and the second explorator are arranged on the fourth mounting seat, the second translational driving mechanism is arranged on the second base, the second translational driving mechanism is respectively connected with the third mounting seat and the fourth mounting seat, and can drive the third mounting seat and the fourth mounting seat to translate relative to the second base along the inserting direction of the second inserting core, or the second translational driving mechanism can drive the third mounting seat and the fourth mounting seat to translate relative to each other along the inserting direction of the second inserting core;
the second translation driving mechanism comprises a follow-up assembly, the follow-up assembly is arranged on a second base, and the follow-up assembly is connected with the third mounting seat and the fourth mounting seat, so that when the turnover device drives the first fixing device to turn over, the second abutting pipe and the second inserting core move along with a pipe body to be processed;
The pipe bending machine further comprises a pipe cutting device, a third translation driving mechanism and a lifting driving mechanism, wherein the third translation driving mechanism is arranged on the frame and connected with the pipe cutting device to drive the pipe cutting device to move, the second fixing device is located between the first fixing device and the pipe cutting device, the lifting driving mechanism is arranged on the frame and connected with the second fixing device to drive the second fixing device to lift, and accordingly an avoidance space allowing the pipe cutting device to be close to the first fixing device is formed.
2. The pipe bender according to claim 1, wherein: still include conveyor, conveyor sets up in the frame, conveyor is located cut tub device's one side of deviating from second fixing device, conveyor can be towards first fixing device's direction carries the body of waiting to process.
3. The pipe bender according to claim 1, wherein: the bending die and the first profiling are arranged on the first base, a first groove is formed in the first profiling, a pipe bending groove is formed in the bending die, and the first groove and the pipe bending groove are combined to form a first limiting space.
4. A pipe bender according to claim 3, wherein: the second mounting seat is provided with a loose core parallel to the inserting direction of the first inserting core, and the loose core is movably arranged on the bending die in a penetrating mode.
5. The pipe bender according to claim 4, wherein: the outer contour of the bending die is U-shaped, and the core pulling can extend out of the U-shaped protruding end of the bending die.
6. The pipe bender according to any of claims 1-5, wherein: the first fixing mechanism further comprises a first positioning detection assembly, and the first positioning detection assembly is used for detecting position information of the pipe to be processed relative to the first fixing mechanism; the second fixing mechanism further comprises a second positioning detection assembly, and the second positioning detection assembly is used for detecting position information of the pipe to be processed relative to the second fixing mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110038441.0A CN112620431B (en) | 2021-01-12 | 2021-01-12 | Pipe bender |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110038441.0A CN112620431B (en) | 2021-01-12 | 2021-01-12 | Pipe bender |
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| CN112620431B true CN112620431B (en) | 2024-05-28 |
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| CN113198891B (en) * | 2021-05-28 | 2024-05-28 | 中山精达特克机械有限公司 | Pipe bending machine |
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