CN111922767B

CN111922767B - Automatic change tubing cutting equipment

Info

Publication number: CN111922767B
Application number: CN202010527993.3A
Authority: CN
Inventors: 梁建冬; 黄思薪; 练振达; 廖谷祥; 左建林; 杨红杰; 严君仪; 林哲; 肖冲; 吴昌坚; 王红胜
Original assignee: Foshan Huibaisheng Laser Technology Co Ltd
Current assignee: Foshan Huibaisheng Laser Technology Co Ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2024-12-17
Anticipated expiration: 2040-06-11
Also published as: CN111922767A

Abstract

The invention discloses automatic pipe cutting equipment, which can separate pipes on a pipe warehouse rack one by one through the arrangement of a pipe separating mechanism, can transfer the pipes to the discharging side of a feeding rack and realize transverse centering positioning through the arrangement of a material transferring centering mechanism, can vertically center the pipes on the discharging side of the feeding rack and send the pipes to the next equipment through the arrangement of the material transferring centering mechanism, can stably support the pipes transmitted by the material transferring centering mechanism through the arrangement of a material supporting mechanism, and can assist in pipe feeding and cutting, so that the stability of the front section of the pipe in cutting is ensured, and can stably support the pipes on the discharging side of a cutting machine through the arrangement of the material supporting mechanism, so that the stability of the rear section of the pipe in cutting is ensured. Therefore, the invention can realize the procedures of automatic material distribution, centering and positioning, material feeding, material supporting, material receiving, feeding and cutting of the pipe material, and has high mechanization and automation degree.

Description

Automatic change tubing cutting equipment

Technical Field

The invention relates to the technical field of machining, in particular to automatic pipe cutting equipment.

Background

At present, the mechanical industry adopts the cutting machine to cut the pipe material to the batch production specific length, in order to reach continuous cutting's purpose, utilize simple mechanical equipment to realize following the material loading through artifical supplementary branch after the material, artifical branch material and material loading operating efficiency are low, and easy existence operation error is big, make the pipe material place the position inaccurate and lead to the chuck clamp of cutting machine to expect accurately, therefore need artifical correction pipe material position before the chuck centre gripping pipe material of cutting machine, not only increased the human cost, still be unfavorable for the promotion of productivity, cause the damage to workman's health in the course of working easily moreover.

Disclosure of Invention

The invention aims to provide automatic pipe cutting equipment integrating automatic material distribution, centering and positioning, material feeding, material supporting, material receiving and feeding cutting.

In order to achieve the above object, the present invention provides an automated pipe cutting device, which takes the length direction of a pipe as a longitudinal direction, takes a direction parallel to the horizontal plane in which the pipe is located as a transverse direction, and takes a direction perpendicular to the horizontal plane in which the pipe is located as a vertical direction, wherein the automated pipe cutting device comprises a pipe separating warehouse, a pipe conveying device and a pipe cutting device, and the pipe separating warehouse and the pipe conveying device are sequentially arranged at one transverse side of the feeding end of the pipe cutting device along the pipe feeding direction;

The pipe material distribution warehouse comprises a pipe material warehouse rack for loading batch pipe materials and a pipe material distribution mechanism capable of distributing the pipe materials on the pipe material warehouse rack one by one, wherein the pipe material distribution mechanism is arranged on the discharging side of the pipe material warehouse rack, and a plurality of pipe material distribution mechanisms are arranged at intervals along the longitudinal direction;

The pipe conveying device comprises a feeding frame for receiving the pipes conveyed by the pipe distributing mechanism, a transfer centering mechanism capable of transferring the pipes on the feeding frame to one discharging side one by one and realizing transverse centering positioning, and a feed centering mechanism capable of realizing vertical centering positioning of the pipes on the discharging side of the feeding frame and delivering the pipes to the pipe cutting device, wherein the transfer centering mechanism and the feed centering mechanism are both arranged on the feeding frame, a plurality of transfer centering mechanisms are longitudinally arranged at intervals, and a plurality of feed centering mechanisms are longitudinally arranged at intervals;

The pipe cutting device comprises a material supporting mechanism capable of supporting the pipe conveyed by the feeding centering mechanism, a cutting machine capable of cutting off the pipe, a feeding mechanism capable of longitudinally pushing the pipe on the material supporting mechanism to the cutting machine, and a material receiving mechanism capable of supporting the pipe on the discharging side of the cutting machine.

The pipe material dividing mechanism comprises a fixed base plate, an adjusting plate, a feeding plate, a top plate, a first linear guide pair, a second linear guide pair, a third linear guide pair, a first linear driving assembly, a second linear driving assembly and a third linear driving assembly, wherein the fixed base plate is fixed on the discharging side of a pipe material warehouse rack, the fixed base plate, the adjusting plate, the feeding plate and the top plate are vertically and parallelly arranged, the fixed base plate, the adjusting plate, the feeding plate and the top plate are mutually parallel towards the plate edge on the inner side of the pipe material dividing warehouse, a material receiving bayonet is arranged at the upper end of the fixed base plate, the first linear guide pair is perpendicular to the plate edge of the adjusting plate towards the inner side of the pipe material dividing warehouse, the adjusting plate is connected to the plate surface on one side of the fixed base plate through the first linear guide pair, the adjusting plate is driven by the first linear driving assembly to move along the first linear guide pair, the second linear guide pair is parallel to the plate edge on the inner side of the feeding plate, the top plate is driven by the second linear guide pair is parallel to the plate edge on the inner side of the upper plate dividing warehouse, the top plate is driven by the second linear guide pair to move along the second linear guide pair along the linear guide pair towards the inner side of the linear guide pair, and the top plate is driven by the first linear guide pair is connected to the top plate on the side of the linear guide assembly when the top plate is driven by the first linear pair is parallel to the plate on the side of the first linear guide pair to the side of the upper side of the linear guide is connected to the first linear guide pair, and the top plate is connected to the top plate, the upper end plate edge of the feeding plate and the plate edge of the fixed substrate face the inner side of the pipe material distributing warehouse to form a material distributing bayonet.

The pipe material separating warehouse further comprises a pipe material lifting mechanism capable of lifting the pipe materials on the pipe material warehouse rack to the pipe material separating bayonets, a plurality of pipe material lifting mechanisms are longitudinally arranged at intervals, each pipe material lifting mechanism comprises a strip, a winding and unwinding reel and a rotary driving assembly, the winding and unwinding reels are rotatably connected to the fixed base plate and driven to rotate by the rotary driving assembly, the strip is wound at the bottom of the lowest layer of pipe materials in the pipe material warehouse, one end of the strip is fixedly connected with the winding and unwinding reel, and the other end of the strip is fixedly connected with one side, far away from the winding and unwinding reels, of the pipe material warehouse rack.

As a preferable scheme of the invention, a first inductive switch and a second inductive switch are arranged at the upper end of the plate edge of the feeding plate facing the inner side of the pipe material distribution warehouse, an inductive head of the first inductive switch faces the plate edge of the feeding plate facing the inner side of the pipe material distribution warehouse, an inductive head of the second inductive switch faces the upper end plate edge of the feeding plate, the first inductive switch is respectively and electrically connected with a control circuit of the first linear driving assembly and a control circuit of the second linear driving assembly, and the second inductive switch is respectively and electrically connected with a control circuit of the first linear driving assembly and a control circuit of the second linear driving assembly.

According to the invention, a third inductive switch is arranged at the upper end of the plate edge of the fixed substrate facing the inner side of the pipe material distribution warehouse, a fourth inductive switch is arranged at the upper end of the plate edge of the ejector plate facing the inner side of the pipe material distribution warehouse, the inductive head of the third inductive switch faces the plate edge of the fixed substrate facing the inner side of the pipe material distribution warehouse, the inductive head of the fourth inductive switch faces the upper end plate edge of the ejector plate, the third inductive switch is respectively and electrically connected with the control circuit of the second linear driving assembly, and the fourth inductive switch is respectively and electrically connected with the control circuit of the second linear driving assembly and the control circuit of the third linear driving assembly.

As a preferable scheme of the invention, the pipe material distributing mechanism further comprises a material pushing plate, a material pushing cylinder and a fifth inductive switch, wherein the material pushing cylinder is fixed at a position, close to the upper end plate edge, of the fixed base plate, a push rod of the material pushing cylinder is connected with the material pushing plate, the stretching direction of the push rod of the material pushing cylinder is perpendicular to the plate edge, facing the inner side of the pipe material distributing warehouse, of the fixed base plate, the fifth inductive switch is arranged on the material pushing plate, an inductive head of the fifth inductive switch faces one side of the material distributing bayonet, and the fifth inductive switch is electrically connected with a control circuit of the material pushing cylinder.

As a preferable scheme of the invention, the pipe material distribution warehouse further comprises a pipe material leaning mechanism, the pipe material leaning mechanism comprises a movable leaning plate, a fixed leaning plate, a fourth linear guide rail pair and a fourth linear driving assembly, the movable leaning plate and the fixed leaning plate are respectively positioned at two longitudinal ends of the pipe material moving to the material receiving bayonet and are arranged in parallel and opposite, the fixed leaning plate is fixed on the pipe material warehouse rack, the fourth linear guide rail pair is arranged longitudinally, a movable base of the movable leaning plate is connected to the top of the discharging side of the pipe material warehouse rack through the fourth linear guide rail pair, and the movable leaning plate is driven by the fourth linear driving assembly to move along the fourth linear guide rail pair.

As a preferable scheme of the invention, a plurality of supporting frames are arranged on the feeding rack at intervals in the longitudinal direction, the top surfaces of the supporting frames are obliquely arranged, the upper ends of the top surfaces of the supporting frames are connected with the upper ends of the material receiving bayonets, limiting blocks extending upwards are arranged at the lower ends of the top surfaces of the supporting frames, rollers are arranged on the top surfaces of the supporting frames, and a pipe placing seat is fixedly arranged at one end, close to the pipe cutting device, of the supporting frames.

The material transferring centering mechanism comprises a material transferring fixed base plate, a material transferring movable base plate, a material transferring supporting plate, a centering movable base plate, a transverse centering clamp, a fifth linear guide pair, a sixth linear guide pair, a seventh linear guide pair, a fifth linear driving assembly, a sixth linear driving assembly and a seventh linear driving assembly, wherein the material transferring fixed base plate is fixed on one side of a supporting frame, the fifth linear guide pair is arranged along the transverse direction, the material transferring movable base plate is connected to the plate surface of the material transferring fixed base plate through the fifth linear guide pair, the material transferring movable base plate is driven by the fifth linear driving assembly to move along the fifth linear guide pair, the sixth linear guide pair is arranged along the vertical direction, the material transferring supporting plate is driven by the sixth linear guide pair to move along the sixth linear guide pair, the seventh linear guide pair is arranged along the vertical direction, the centering movable base plate is connected to the plate surface of the material transferring fixed base plate through the seventh linear guide pair, and the centering movable base plate is driven by the seventh linear guide pair is arranged along the transverse direction.

The feeding centering mechanism is provided with a feeding fixed base plate, a feeding movable seat, a vertical centering clamp, an eighth linear guide rail pair and an eighth linear driving assembly, wherein the feeding fixed base plate is fixed on the other side of the supporting frame, the eighth linear guide rail pair is arranged in the transverse direction, the feeding movable seat is connected to the surface of the feeding fixed base plate through the eighth linear guide rail pair, the feeding movable seat is driven by the eighth linear driving assembly to move along the eighth linear guide rail pair, and the vertical centering clamp is arranged on the feeding movable seat.

According to the invention, the material supporting mechanism comprises a material supporting frame and a material supporting component arranged on the material supporting frame, the material supporting frame is arranged on one feeding side of the cutting machine, a plurality of material supporting components are longitudinally arranged at intervals, the material supporting component comprises a carrier roller, a carrier roller mounting seat, a swinging rod, a cylinder moving seat, a material supporting cylinder, a ninth linear guide pair and a ninth linear driving component, the carrier roller is rotatably connected to the carrier roller mounting seat, the carrier roller mounting seat is connected with one end of the swinging rod, the other end of the swinging rod is rotatably connected with a cross beam of the material supporting frame, the transverse two sides of the material supporting cylinder are respectively rotatably connected with the transverse two sides of the cylinder moving seat, a push rod of the material supporting cylinder faces upwards and is rotatably connected with the swinging rod, the ninth linear guide pair is longitudinally arranged, the transverse two sides of the cylinder moving seat are respectively connected to the material supporting frame through the ninth linear guide pair, and the cylinder moving seat is driven by the ninth linear driving component to move along the ninth linear guide pair.

As a preferable scheme of the invention, the ninth linear driving assembly comprises a first servo motor, a first transmission part and a follow-up rod, wherein the follow-up rod is longitudinally arranged, a plurality of cylinder moving seats of the material supporting mechanism are connected to the follow-up rod, the first servo motor is fixed in the material supporting rack, and a power output end of the first servo motor is connected with the follow-up rod through the first transmission part and drives the follow-up rod to drive the cylinder moving seats to move along the ninth linear guide rail pair.

According to the invention, the feeding mechanism comprises a first chuck, a second chuck, a tenth linear guide rail pair, a tenth linear driving assembly and an eleventh linear driving assembly, wherein the first chuck is used for clamping the front end of a pipe material, the second chuck is used for clamping the pipe material and allowing the rear end of the pipe material to pass through, the cutting station of the cutting machine is positioned behind the second chuck, the tenth linear guide rail pair is longitudinally arranged, the first chuck is connected to the top of the material supporting frame through the tenth linear guide rail pair, the first chuck is driven by the tenth linear driving assembly to move along the tenth linear guide rail pair, the second chuck is connected to the top of the material supporting frame through the tenth linear guide rail pair, and the second chuck is driven by the eleventh linear driving assembly to move along the tenth linear guide rail pair.

The automatic feeding device comprises a feeding mechanism and a feeding mechanism, wherein the feeding mechanism comprises a feeding rack and a feeding plate arranged on the feeding rack, the feeding rack is arranged on one discharging side of the cutting machine, an opening is formed in the top of the feeding plate, the opening is provided with the feeding plate with the shape complementary to that of the opening, the feeding plate comprises a fixed plate and a movable turning plate, the movable turning plate is rotatably connected with the fixed plate, a plurality of rollers which are longitudinally arranged at intervals are arranged on the movable turning plate, a plurality of feeding components which are longitudinally arranged at intervals are arranged on the feeding rack, the feeding components comprise a feeding cylinder, a cylinder lifting seat, an eleventh linear guide rail pair and a twelfth linear driving component, the upper end of the cylinder lifting seat is fixedly connected with the fixed plate, the cylinder body of the feeding cylinder is rotatably connected with the cylinder lifting seat, a push rod of the feeding cylinder is rotatably connected with the movable turning plate, the movable turning plate is horizontally arranged when the push rod of the feeding cylinder is in a contracted state, the movable turning plate is arranged in an extending state, the eleventh linear guide rail pair is obliquely arranged on the eleventh linear guide rail pair, and the eleventh linear guide rail pair is vertically connected with the eleventh linear guide rail pair.

As a preferable scheme of the invention, the twelfth linear driving assembly comprises a second servo motor, a second transmission part and a follow-up shaft, wherein a plurality of second transmission parts are arranged, each second transmission part comprises racks and gears which are meshed with each other, the racks are vertically arranged and fixed on the cylinder lifting seat, the follow-up shaft is longitudinally arranged, the gears on the plurality of second transmission parts are connected to the follow-up shaft, the second servo motor is fixed in the material receiving rack, and the power output end of the second servo motor is connected with the follow-up shaft.

As a preferable scheme of the invention, the carrier roller comprises two first carrier roller units which are arranged in a V shape and one second carrier roller unit which is arranged horizontally, wherein the first carrier roller unit is rotatably arranged at one end of the carrier roller mounting seat, the second carrier roller unit is rotatably arranged at the other end of the carrier roller mounting seat, and the carrier roller mounting seat is detachably connected with the swing rod.

As a preferable scheme of the invention, the material supporting mechanism further comprises a variable diameter wheel assembly arranged on the material supporting frame, a plurality of variable diameter wheel assemblies are longitudinally arranged at intervals, each variable diameter wheel assembly comprises a variable diameter wheel, a variable diameter wheel support and a variable diameter wheel lifting cylinder, the variable diameter wheels are rotatably connected to the variable diameter wheel support, C-shaped grooves are formed in the variable diameter wheels, the groove widths of the C-shaped grooves gradually decrease along the circumferential direction of the variable diameter wheels and form a variable diameter channel connected end to end, a plurality of limit holes which are equidistantly arranged along the circumferential direction of the end face of the variable diameter wheel are formed in the end face of the variable diameter wheel, a connecting plate is fixedly arranged on the variable diameter wheel support, threaded holes for limiting screw connection are formed in the connecting plate, the limit screws are inserted into any limit holes through the threaded holes, and the variable diameter wheel lifting cylinders are fixedly arranged on the material supporting frame, and push rods of the variable diameter wheel lifting cylinders face upwards and are fixedly connected with the variable diameter wheel support.

As a preferable scheme of the invention, a blanking table is arranged on one lateral side of the material receiving rack, a belt conveying device capable of conveying the pipe material longitudinally is arranged on the blanking table, and a baffle plate for preventing the pipe material from rolling off is arranged on one side of the blanking table far away from the material receiving rack.

As a preferable scheme of the invention, a third chuck, a twelfth linear guide rail pair and a thirteenth linear drive assembly are arranged on the material receiving rack, the third chuck is used for clamping the pipe and allowing the rear end of the pipe to pass through, the twelfth linear guide rail pair is longitudinally arranged, the third chuck is connected to the top of the material receiving rack through the twelfth linear guide rail pair, and the third chuck is driven by the thirteenth linear drive assembly to move along the twelfth linear guide rail pair.

Compared with the prior art, the automatic pipe cutting equipment has the beneficial effects that:

According to the embodiment of the invention, the pipes on the pipe warehouse rack can be separated one by one through the arrangement of the pipe separating mechanism, the pipes can be transferred to the discharging side of the feeding rack and transversely centered and positioned through the arrangement of the material transferring centering mechanism, the pipes on the discharging side of the feeding rack can be vertically centered and positioned and sent out to the pipe cutting device through the arrangement of the material supporting mechanism, the pipes transmitted by the material transferring centering mechanism can be stably supported through the arrangement of the material supporting mechanism, the feeding cutting of the pipes is assisted, the stability of the front section cutting of the pipes is ensured, the feeding cutting of the pipes is assisted through the arrangement of the material supporting mechanism, the stability of the rear section cutting of the pipes is ensured, and the automatic pipe separating, centering, feeding, supporting, material receiving, feeding cutting and other procedures can be realized.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

FIG. 1 is a schematic view (I) of an automated tubing cutter apparatus according to the present invention;

FIG. 2 is a schematic view (I) of an automated pipe cutting apparatus with a pipe cutting device removed;

FIG. 3 is a schematic view of the structure of a tubing material distribution warehouse;

FIG. 4 is a schematic structural view (I) of a pipe material distributing mechanism;

FIG. 5 is a schematic structural view of a tube material separating mechanism (II);

FIG. 6 is a partial schematic view of a tube stock dispensing magazine showing the arrangement of a first linear drive assembly;

Fig. 7 is a partial schematic view (two) of a tube stock dispensing magazine showing the placement of a second linear drive assembly.

FIG. 8 is a schematic view of the construction of a tubing conveying apparatus;

FIG. 9 is a schematic structural view of a transfer centering mechanism;

FIG. 10 is a schematic view of the feed centering mechanism;

FIG. 11 is a schematic structural view of a material supporting mechanism;

FIG. 12 is an enlarged view of a portion of the palletizing mechanism;

FIG. 13 is an enlarged view of a portion of the holding mechanism (II);

FIG. 14 is a schematic view of a material receiving mechanism;

Fig. 15 is a longitudinal cross-sectional view of the receiving mechanism.

In the figure:

100 is a tube stock rack;

200 is a pipe material distributing mechanism, 201 is a fixed substrate, 202 is an adjusting plate, 203 is a feeding plate, 204 is a jacking plate, 205 is a first linear guide pair, 206 is a second linear guide pair, 207 is a third linear guide pair, 208 is a first linear driving component, 209 is a second linear driving component, 210 is a third linear driving component, 211 is a first inductive switch, 212 is a second inductive switch, 213 is a third inductive switch, 214 is a fourth inductive switch, 215 is a pushing plate, 216 is a pushing cylinder, 217 is a fifth inductive switch, 218 is a first motor, 219 is a first rotating shaft, 220 is a first rack, 221 is a first gear, 222 is a second motor, 223 is a second rotating shaft, 224 is a second rack, 225 is a second gear, A is a material distributing bayonet, and B is a material receiving bayonet.

300 Is a pipe lifting mechanism, 301 is a belt, 302 is a winding and unwinding drum, 303 is a third motor, and 304 is a third rotating shaft;

400 is a tube material positioning mechanism, 401 is a movable positioning plate, 402 is a fixed positioning plate, 403 is a fourth linear guide rail pair, 404 is a fourth motor, and 405 is a fourth rack;

500 is a feeding frame, 501 is a supporting frame, 502 is a roller, 503 is a tube placing seat, and 504 is a limiting block;

The material transferring centering mechanism comprises a material transferring fixed substrate 600, a material transferring movable seat 602, a material transferring supporting plate 603, a centering movable seat 604, a transverse centering clamp 605, a fifth linear guide rail pair 606, a sixth linear guide rail pair 607, a fifth linear driving assembly 609, a sixth linear driving assembly 610, a seventh linear driving assembly 611, a transverse centering base 612, a front clamping plate 613, a rear clamping plate 614, a thirteenth linear guide rail pair 615, a material clamping cylinder 616, a first connecting rod 617, a second connecting rod 618 and a sixth inductive switch 619;

700 is a feeding centering mechanism, 701 is a feeding fixed substrate, 702 is a feeding moving seat, 703 is a vertical centering clamp, 704 is an eighth linear guide pair, 705 is a fifth motor, 706 is a transmission shaft, 707 is a transmission chain, 708 is a driving sprocket, 709 is a driven sprocket, 710 is a connecting block, 711 is a vertical centering base, 712 is an upper clamping plate, 713 is a lower clamping plate, 714 is a fourteenth linear guide pair, 715 is a clamping cylinder, 716 is a first rack, 717 is a second rack, 718 is a gear, and 720 is an eighth induction switch.

800 Is a material supporting mechanism, 801 is a material supporting rack, 802 is a material supporting component, 803 is a carrier roller, 803a is a first carrier roller unit, 803b is a second carrier roller unit, 804 is a carrier roller mounting seat, 805 is a swinging rod, 806 is a cylinder moving seat, 807 is a material supporting cylinder, 808 is a ninth linear guide rail pair, 809 is a first servo motor, 810 is a follower rod, 811 is a reducing wheel component, 812 is a reducing wheel, 813 is a reducing wheel bracket, 814 is a reducing wheel lifting cylinder, 815 is a C-shaped groove, 816 is a limiting hole, 817 is a connecting plate, 818 is a limiting screw;

900 is a cutter;

1000 is a feeding mechanism, 1001 is a first chuck, 1002 is a second chuck, 1003 is a tenth linear guide rail pair;

1100 is a receiving mechanism, 1101 is a receiving rack, 1102 is a receiving plate, 1103 is a fixed plate, 1104 is a movable turning plate, 1105 is a roller, 1106 is a receiving component, 1107 is a receiving cylinder, 1108 is a cylinder lifting seat, 1109 is a follow-up shaft, 1110 is a rack, 1111 is a gear, 1112 is a blanking table, 1113 is a third chuck, and 1114 is a twelfth linear guide pair.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are used merely to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the invention.

As shown in fig. 1 to 15, an automated pipe cutting apparatus according to a preferred embodiment of the present invention has a longitudinal direction of a pipe, a transverse direction parallel to a direction perpendicular to the longitudinal direction in a horizontal plane of the pipe, and a vertical direction perpendicular to the horizontal plane of the pipe. The automatic pipe cutting equipment comprises a pipe distribution warehouse, a pipe conveying device and a pipe cutting device, wherein the pipe distribution warehouse and the pipe conveying device are sequentially arranged on one lateral side of the feeding end of the pipe cutting device along the pipe feeding direction.

The pipe material distributing warehouse comprises a pipe material warehouse rack 100 for loading batch pipe materials and a pipe material distributing mechanism 200 capable of distributing the pipe materials on the pipe material warehouse rack 100 one by one, the pipe material distributing mechanism 200 is arranged on the discharging side of the pipe material warehouse rack 100, and a plurality of pipe material distributing mechanisms 200 are longitudinally arranged at intervals.

The pipe conveying device comprises a feeding frame 500 for receiving the pipe conveyed by the pipe distributing mechanism 200, a transfer centering mechanism 600 capable of transferring the pipe on the feeding frame 500 to one discharging side one by one and realizing transverse centering positioning, and a feed centering mechanism 700 capable of realizing vertical centering positioning of the pipe on the discharging side of the feeding frame 500 and delivering the pipe to the pipe cutting device, wherein the transfer centering mechanism 600 and the feed centering mechanism 700 are both arranged on the feeding frame 500, a plurality of transfer centering mechanisms 600 are arranged at intervals in the longitudinal direction, and a plurality of feed centering mechanisms 700 are arranged at intervals in the longitudinal direction.

The pipe cutting device comprises a material supporting mechanism 800 capable of supporting the pipe conveyed by the feeding centering mechanism 700, a cutting machine 900 capable of cutting the pipe, a feeding mechanism 1000 capable of longitudinally pushing the pipe on the material supporting mechanism 800 to the cutting machine 900, and a material receiving mechanism 1100 capable of supporting the pipe on the discharging side of the cutting machine 900.

Thus, according to the automatic pipe cutting equipment provided by the embodiment of the invention, the pipes on the pipe warehouse rack 100 can be separated one by one through the arrangement of the pipe separating mechanism 200, the pipes can be transferred to the discharging side of the feeding rack 500 and transversely centered and positioned through the arrangement of the material conveying centering mechanism 600, the pipes on the discharging side of the feeding rack 500 can be vertically centered and positioned and sent out to a pipe cutting device through the arrangement of the material conveying centering mechanism 700, the pipes conveyed by the material conveying centering mechanism 700 can be stably supported through the arrangement of the material supporting mechanism 1000, the pipe feeding and cutting can be assisted, the stability in cutting of the front section of the pipes can be ensured, the pipe feeding and cutting can be assisted through the arrangement of the material supporting mechanism 1100, the stability in cutting of the rear section of the pipes can be ensured, and the automatic separation, centering, feeding, material supporting, material receiving, feeding and cutting and other procedures of the pipes can be realized through the arrangement of the material conveying centering mechanism 700, the feeding, the material receiving and the cutting device, the mechanical degree and the automatic degree are high, the cutting position and the labor cost of a worker can be reduced, the pipe cutting cost can be accurately reduced, and the pipe cutting risk is reduced.

The pipe material distributing mechanism 200 comprises a fixed base plate 201, an adjusting plate 202, a feeding plate 203, a top plate 204, a first linear guide pair 205, a second linear guide pair 206, a third linear guide pair 207, a first linear driving assembly 208, a second linear driving assembly 209 and a third linear driving assembly 210, wherein the fixed base plate 201, the adjusting plate 202, the feeding plate 203 and the top plate 204 are all in vertical parallel arrangement, the fixed base plate 201, the adjusting plate 202, the feeding plate 203 and the top plate 204 are parallel to each other, the upper end of the fixed base plate 201 is provided with a material receiving bayonet B, the first linear guide pair 205 is perpendicular to the upper plate edge of the adjusting plate 202 near one side of the pipe material, the adjusting plate 202 is connected to a side plate surface of the fixed base plate 201 through the first linear guide pair 205, the adjusting plate 202 is driven by the first linear driving assembly 208 to move along the first linear guide pair 205, the second linear guide pair 206 is parallel to the upper plate 203 near one side of the upper plate 203, the upper plate surface of the second linear guide pair 206 is driven by the second linear guide pair 203 near the side of the upper plate 203, the upper plate 206 is driven by the second linear guide pair 203 near the side of the third linear guide assembly 204, and the upper plate 207 is connected to the side of the fixed base plate 202 near the side of the upper plate 207 through the second linear guide pair 206 near the side of the first linear guide pair 203, and the upper plate surface of the upper plate 204 is connected to the third linear guide pair 205 near the side of the upper plate surface of the upper plate 204, the upper end plate edge of the loading plate 203 and the plate edge of the fixed substrate 201 near the loading side of the tube material form a material distributing opening a.

The pipe material distributing mechanism 200 has the working principle that an adjusting plate 202 is driven by a first linear driving assembly 208 to move along a first linear guide rail pair 205 perpendicular to the plate edge of the adjusting plate 202, which is close to the pipe material feeding side, so that the plate edge of the feeding plate 203, which is close to the pipe material feeding side, protrudes out of the plate edge of the fixed base plate 201, which is close to the pipe material feeding side, and forms a material distributing bayonet A, the width of the material distributing bayonet A can be controlled according to the actually required pipe material specification, and further sorting of pipes with different specifications is realized, the feeding plate 203 is driven by a second linear driving assembly 209 to move along a second linear guide rail pair 206 parallel to the plate edge of the feeding plate 203, which is close to the pipe material feeding side, so that the pipe material on the material distributing bayonet A can be lifted to a material receiving bayonet B, and a top plate 204 is driven by a third linear driving assembly 210 to move along a third linear guide rail pair 207 parallel to the plate edge of the top plate 204, which is close to the pipe material feeding side, so that the pipe material on the material receiving bayonet B can be ejected to a pipe material feeding device.

In this embodiment, the first linear driving assembly 208 includes a first motor 218, a first rotating shaft 219, a first rack 220 and a first gear 221, where the first rack 220 is fixed on a lower end plate edge of the adjusting plate 202 and is perpendicular to a plate edge of the adjusting plate 202 near a feeding side of the tube material, the first gear 221 is meshed with the first rack 220, the first motor 218 is fixed on the tube stock rack 100, and a power output end of the first motor 218 is connected with the first gear 221 through the first rotating shaft 219, so as to save configuration of the first linear driving assembly 208 and ensure motion synchronism of the first linear driving assembly 208, and accordingly, the first motors 218 corresponding to the tube material distributing mechanisms 200 are shared motors, and the first rotating shafts 219 are shared rotating shafts. The second linear driving assembly 209 comprises a second motor 222, a second rotating shaft 223, a second rack 224 and a second gear 225, the second rack 224 is fixed on a plate edge of the feeding plate 203 far away from a feeding side of the tube material and parallel to a plate edge of the adjusting plate 202 near the feeding side of the tube material, the second gear 225 is meshed with the second rack 224, the second motor 222 is fixed on the adjusting plate 202, a power output end of the second motor 222 is connected with the second gear 225 through the second rotating shaft 223, and in order to save the configuration of the second linear driving assembly 209 and ensure the action synchronism of the second linear driving assembly 209, a plurality of second motors 222 corresponding to the tube material distributing mechanism 200 are shared motors, and the shared motors are fixed on the adjusting plate 202 of one of the tube material distributing mechanism 200 and can move along with the adjusting plate 202, and correspondingly 223 are shared rotating shafts. The third linear driving assembly is a material pushing cylinder 210, the material pushing cylinder 210 is fixed on the fixed substrate 201, a push rod of the material pushing cylinder 210 is connected with the material pushing plate 204, and the expansion direction of the push rod of the material pushing cylinder 210 is parallel to the plate edge of the material pushing plate 204, which is close to the material feeding side of the pipe material. When the ejector cylinder 210 is a double-pushrod cylinder, the third linear guide pair 207 may be omitted.

Further, the pipe material distributing warehouse further comprises a pipe material lifting mechanism 300 capable of lifting the pipe materials on the pipe material warehouse rack 100 to the material distributing bayonet, and the pipe material lifting mechanisms 300 are longitudinally arranged at intervals. Specifically, the pipe lifting mechanism 300 comprises a strip 301, a winding and unwinding drum 302 and a rotary driving assembly, wherein the winding and unwinding drum 302 is rotatably connected to the fixed substrate 201, the winding and unwinding drum 302 is driven to rotate by the rotary driving assembly, the strip 301 is wound at the bottom of the lowest layer of pipe in the pipe warehouse, one end of the strip 301 is fixedly connected with the winding and unwinding drum 302, and the other end of the strip is fixedly connected with one side, away from the winding and unwinding drum 302, of the pipe warehouse rack 100. Therefore, the batches of the tube materials are placed on the tube stock rack 100, the strip 301 is positioned below the batches of the tube materials, when the feeding plate 203 descends to the lowest and the tube materials still do not fall on the material distributing bayonet A, the strip 301 is rotated to retract the strip 301 through the retraction roller 302, the strip 301 lifts the tube materials on the tube stock rack 100 until the tube materials fall on the material distributing bayonet A, the retraction roller 302 stops retracting the strip 301 and waits for the next circulation, and therefore the condition that the tube materials at the bottom layer of the tube stock rack 100 can be normally fed is guaranteed, the depth of the tube stock rack 100 can be designed to be larger, and the stock quantity of the tube stock rack 100 is improved.

In this embodiment, the rotary driving assembly includes a third motor 303 and a third rotating shaft 304, the third motor 303 is fixed on the pipe warehouse rack 100, and a power output end of the third motor 303 is connected to the winding drum 302 through the third rotating shaft 304. In order to save the configuration of the rotary driving assembly and ensure the action synchronism of the rotary driving assembly, the third motors 303 corresponding to the plurality of tube lifting mechanisms 300 are common motors, and correspondingly, the third rotating shafts 304 are common rotating shafts.

Further, in order to realize automatic material distribution and feeding of the pipe material distribution mechanism 200, corresponding induction switches are disposed at key positions (such as a material distribution bayonet A and a material receiving bayonet B) of pipe material conveying, and are used for respectively controlling the first linear driving assembly 208, the second linear driving assembly 209 and the third linear driving assembly 210 to execute corresponding instructions of a system program. Specifically, the upper end of the plate edge of the feeding plate 203, which is close to the feeding side of the tube, is provided with a first inductive switch 211 and a second inductive switch 212, the inductive head of the first inductive switch 211 faces the upper end plate edge of the feeding plate 203, which is close to the feeding side of the tube, the inductive head of the second inductive switch 212 faces the upper end plate edge of the feeding plate 203, the first inductive switch 211 is electrically connected with the control circuit of the first linear driving assembly 208 and the control circuit of the second linear driving assembly 209 respectively, the second inductive switch 212 is electrically connected with the control circuit of the first linear driving assembly 208 and the control circuit of the second linear driving assembly 209 respectively, the upper end of the plate edge of the fixed substrate 201, which is close to the feeding side of the tube, is provided with a third inductive switch 213, the upper end of the plate edge of the top plate 204, which is close to the feeding side of the tube, faces the plate edge of the fixed substrate 201, which is close to the feeding side of the tube, the inductive head of the third inductive switch 213 faces the plate edge of the fixed substrate 201, the control circuit of the first inductive switch 208 and the control circuit of the second inductive switch 209, the top plate end of the top plate 201 is connected with the control circuit of the third inductive switch 214, and the control circuit of the fourth inductive switch 213, respectively.

The automatic pipe material distributing and feeding process of the pipe material distributing mechanism 200 comprises the following steps that if a feeding plate 203 is located at a high position, namely a second linear driving assembly 209 drives the feeding plate 203 to quickly descend, when a first inductive switch 211 senses that the upper end of a plate edge of the feeding plate 203, which is close to the feeding side of a pipe material, is close to the pipe material, the second linear driving assembly 209 drives the feeding plate 203 to decelerate and slowly descend, meanwhile, a first linear driving assembly 208 drives the feeding plate 203 to extend outwards until a second inductive switch 212 senses that the pipe material falls onto a material distributing bayonet A, the feeding plate 203 stops extending outwards, a second linear driving assembly 209 drives the feeding plate 203 to quickly ascend, so that the pipe material on the material distributing bayonet A is lifted towards a material receiving bayonet B at the upper end of a fixed substrate 201, and when a third inductive switch 213 senses that the upper end of a plate edge of the plate edge, which is close to the feeding side of the pipe material is close to the fixed substrate 201, is close to the pipe material, is driven by the second linear driving assembly 209 to slow and ascends until a fourth inductive switch 214 senses that the pipe material falls onto the material receiving bayonet B, the second linear driving assembly drives the feeding plate 203 to automatically descend until the pipe material is automatically driven by the third inductive switch to fall onto the material receiving bayonet B, and the pipe material distributing assembly is driven by the third linear driving assembly to complete the whole process.

Illustratively, the pipe material distributing mechanism 200 further includes a pushing plate 215, a pushing cylinder 216, and a fifth inductive switch 217, where the pushing cylinder 216 is fixed at a position of the fixed substrate 201 near an upper end plate edge thereof, a push rod of the pushing cylinder 216 is connected to the pushing plate 215, and a telescopic direction of the push rod of the pushing cylinder 216 is perpendicular to a plate edge of the fixed substrate 201 near a pipe material feeding side, the fifth inductive switch 217 is disposed on the pushing plate 215, and an inductive head of the fifth inductive switch 217 faces the material distributing bayonet a side, and the fifth inductive switch 217 is electrically connected to a control circuit of the pushing cylinder 216. Wherein, the pushing cylinder is preferably a double-push rod cylinder. When the fifth inductive switch 217 senses that the stacking is present on the material distribution bayonet a, the pushing cylinder 216 drives the pushing plate 215 to push the stacking on the material distribution bayonet a back to the pipe magazine frame 100, so as to ensure that the pipes can be orderly fed one by one.

Preferably, the sensing heads of the first sensing switch 211, the second sensing switch 212, the third sensing switch 213, the fourth sensing switch 214 and the fifth sensing switch 217 are all photoelectric sensors.

Illustratively, the pipe material separating warehouse further comprises a pipe material leaning mechanism 400, the pipe material leaning mechanism 400 comprises a movable leaning plate 401, a fixed leaning plate 402, a fourth linear guide pair 403 and a fourth linear driving assembly, the movable leaning plate 401 and the fixed leaning plate 402 are respectively located at two longitudinal ends of the pipe material moving to the material receiving bayonet B and are arranged in parallel and opposite, the fixed leaning plate 402 is fixed on the pipe material warehouse rack 100, the fourth linear guide pair 403 is arranged along the longitudinal direction, a movable base of the movable leaning plate 401 is connected to the top of the discharging side of the pipe material warehouse rack 100 through the fourth linear guide pair 403, and the movable leaning plate 401 is driven by the fourth linear driving assembly to move along the fourth linear guide pair 403. Therefore, by arranging the tube positioning mechanism 400, the tube on the material receiving bayonet B can be positioned in the length direction, and the tube is prevented from tilting in the ejection process.

In this embodiment, the fourth linear driving assembly includes a fourth motor 404, a fourth rack 405 and a fourth gear, where the fourth rack 405 is fixed on the top of the discharging side of the pipe warehouse rack 100 and parallel to the fourth linear guide rail pair 403, the fourth gear is meshed with the fourth rack 405, the fourth motor 404 is fixed on the moving base of the movable leaning board 401, and a power output end of the fourth motor 404 is connected with the fourth gear.

Illustratively, a plurality of supporting frames 501 are disposed on the feeding frame 500 along the longitudinal direction at intervals, the top surfaces of the supporting frames 501 are obliquely disposed, the upper ends of the top surfaces of the supporting frames 501 are connected with the upper ends of the material receiving bayonets, limiting blocks 504 extending upwards are disposed at the lower ends of the top surfaces of the supporting frames 501, rollers 502 are disposed on the top surfaces of the supporting frames 501, and a pipe placing seat 503 is fixedly disposed at one end, close to the pipe cutting device, of the supporting frames 501.

The material transferring centering mechanism 600 includes a material transferring fixed base 601, a material transferring movable base 602, a material transferring supporting plate 603, a centering movable base 604, a transverse centering fixture 605, a fifth linear guide pair 606, a sixth linear guide pair 607, a seventh linear guide pair (not indicated in the figure), a fifth linear driving assembly 609, a sixth linear driving assembly 610 and a seventh linear driving assembly 611, wherein the material transferring fixed base 601 is fixed on one side of the supporting frame 501, the fifth linear guide pair 606 is arranged along the transverse direction, the material transferring movable base 602 is connected to the plate surface of the material transferring fixed base 601 through the fifth linear guide pair 606, the material transferring movable base 602 is driven by the fifth linear driving assembly 609 to move along the fifth linear guide pair 606, the sixth linear guide pair 607 is vertically arranged, the material transferring supporting plate 603 is connected to the material transferring movable base 602 through the sixth linear guide pair 607, the material transferring supporting plate 603 is driven by the sixth linear driving assembly 610 to move along the sixth linear guide pair 607, the seventh linear guide pair 604 is vertically arranged along the seventh linear guide pair 604, and the seventh linear guide pair is vertically arranged along the centering fixture 604 is vertically arranged along the seventh linear guide pair 604.

The working process of the material transferring centering mechanism 600 includes that the fifth linear driving assembly 609 drives the material transferring moving seat 602 to move backwards, the sixth linear driving assembly 610 drives the material transferring supporting plate 603 to move downwards until the material transferring supporting plate 603 is located below the first tube material close to the limiting block 504, the sixth linear driving assembly 610 drives the material transferring supporting plate 603 to move upwards and jack the first tube material close to the limiting block 504 to enable the tube material to be higher than the limiting block 504, then the fifth linear driving assembly 609 drives the material transferring moving seat 602 to move forwards, when the tube material moves to the position right above the tube placing seat 503, the sixth linear driving assembly 610 drives the material transferring supporting plate 603 to move downwards, the tube material on the material transferring supporting plate 603 is placed on the tube placing seat 503, then the seventh linear driving assembly 611 is brought to the centering moving seat 604 to move upwards, the tube material is laterally centered by the lateral centering fixture 605, and at the moment, the material transferring centering mechanism 600 completes working and starts to enter the next cycle.

In this embodiment, the fifth linear driving assembly 609 is a first material transferring cylinder, the first material transferring cylinder is horizontally fixed on the material transferring fixed substrate 601, and a push rod of the first material transferring cylinder is connected with the material transferring movable seat 602. The sixth linear driving assembly 610 is a second material transferring cylinder, the second material transferring cylinder is vertically fixed on the material transferring moving seat 602, and a push rod of the second material transferring cylinder faces upwards and is connected with the material transferring supporting plate 603. The seventh linear driving assembly 611 is a third material transferring cylinder, which is vertically fixed on the material transferring moving seat 602, and a push rod of the third material transferring cylinder faces upwards and is connected with the centering moving seat 604. It should be noted that when the first material transferring cylinder, the second material transferring cylinder and the third material transferring cylinder are double-push rod cylinders, the corresponding linear guide pair arrangement can be canceled.

Further, the material transferring fixed substrate is provided with a sixth inductive switch 619 at one end far away from the discharging direction, and preferably is a contact inductive switch, when the sixth inductive switch 619 senses that the material transferring movable seat 602 moves backward to the right position, the fifth linear driving assembly 609 is stopped, and meanwhile, the sixth linear driving assembly 610 drives the material transferring supporting plate 603 to move upward and jack up the first tube material near the limiting block 504. In this embodiment, the first inductive switch 619 can be position-adjustable in the transverse direction through the screw hole seat and the screw rod, so as to adapt to the pipe materials with different pipe diameters or widths.

The feeding centering mechanism 700 is provided with a feeding fixed base plate 701, a feeding moving seat 702, a vertical centering clamp 703, an eighth linear guide rail pair 704 and an eighth linear driving assembly, wherein the feeding fixed base plate 701 is fixed on the other side of the supporting frame 501, the eighth linear guide rail pair 704 is arranged along the transverse direction, the feeding moving seat 702 is connected to the plate surface of the feeding fixed base plate 701 through the eighth linear guide rail pair 704, the feeding moving seat 702 is driven by the eighth linear driving assembly to move along the eighth linear guide rail pair 704, and the vertical centering clamp 703 is arranged on the feeding moving seat 702.

The feeding centering mechanism 700 has the working process that after the pipe material on the pipe placing seat 503 is transversely centered and positioned, the eighth linear driving assembly drives the feeding moving seat 702 to move forward, when the pipe material on the pipe placing seat 503 moves to the clamping position of the vertical centering clamp 703, the vertical centering clamp 703 is utilized to vertically center and position the pipe material, the clamping state is maintained, and then the eighth linear driving assembly continues to drive the feeding moving seat 702 to move forward, so that the pipe material is sent to the next device (such as a pipe material cutting device). After the feed is completed, the components of the feed centering mechanism 700 are reset and enter the next cycle.

In this embodiment, the eighth linear driving assembly includes a fifth motor 705, a transmission shaft 706, a transmission chain 707, a driving sprocket 708, a driven sprocket 709 and a connection block 710, where the driven sprocket 709 is rotatably connected to one end of the feeding fixed substrate 701 near the discharging direction, the driving sprocket 708 is rotatably connected to one end of the feeding fixed substrate 701 far away from the discharging direction, the driven sprocket 709 is connected to the driving sprocket 708 through the transmission chain 707, the feeding fixed substrate 701 is fixedly connected to the transmission chain 707 through the connection block 710, and an output end of the fifth motor 705 is connected to the driving sprocket 708 through the transmission shaft 706.

Further, the feeding fixing substrate 701 is provided with a seventh inductive switch (not indicated in the figure) at one end far away from the discharging direction, and the feeding fixing substrate is provided with an eighth inductive switch 720 at one end near to the discharging direction. The seventh inductive switch and the eighth inductive switch 720 are preferably contact inductive switches. When the seventh inductive switch senses that the vertical centering clamp 703 moves backward to the proper position, the eighth linear driving assembly is stopped, the vertical centering clamp 703 is just positioned at the initial position, the avoidance material transferring centering mechanism 600 places the pipe material on the pipe placing seat 503, when the eighth inductive switch 720 senses that the vertical centering clamp 703 moves forward to the proper position, the eighth linear driving assembly is stopped, and the pipe material on the vertical centering clamp 703 is just positioned at the feeding position of the next device (such as a pipe material cutting device), so that the accurate feeding of the material feeding centering mechanism 700 is ensured. The eighth inductive switch 720 can realize position adjustment in the transverse direction through the screw hole seat and the screw rod so as to adapt to different feeding positions.

Illustratively, the horizontal centering fixture 605 includes a horizontal centering base 612, a front clamping plate 613, a rear clamping plate 614, a thirteenth linear guide pair 615, and a fourteenth linear driving assembly, the horizontal centering base 612 is fixed at an upper end of the centering moving seat 604, the front clamping plate 613 is opposite to the rear clamping plate 614 and parallel to each other, the thirteenth linear guide pair 615 is arranged along a horizontal direction, the front clamping plate 613 and the rear clamping plate 614 are respectively connected to the horizontal centering base 612 through the thirteenth linear guide pair 615, and the front clamping plate 613 and the rear clamping plate 614 are respectively driven by the fourteenth linear driving assembly to move along the thirteenth linear guide pair 615 in opposite directions or opposite directions.

In this embodiment, the fourteenth linear driving assembly includes a clamping cylinder 616, a first link 617 and a second link 618, where the clamping cylinder 616 is vertically fixed on the centering moving seat 604, a push rod of the clamping cylinder 616 is respectively rotationally connected with the first link 617 and the second link 618, another end of the first link 617 is rotationally connected with the moving base of the rear clamping plate 613, and another end of the second link 618 is rotationally connected with the moving base of the front clamping plate 614. Thus, when the clamping cylinder 616 pushes the first link 617 and the second link 618 to move downward, the first link 617 and the second link 618 can pull the front clamp plate 613 and the rear clamp plate 614 together, respectively, thereby centering and clamping the pipe, and when the clamping cylinder 616 pushes the first link 617 and the second link 618 to move upward, the first link 617 and the second link 618 can pull the front clamp plate 613 and the rear clamp plate 614 apart, respectively, thereby loosening the pipe.

Illustratively, the vertical centering fixture 703 includes a vertical centering base 711, an upper clamping plate 712, a lower clamping plate 713, a fourteenth linear guide pair 714 and a fifteenth linear driving assembly, where the vertical centering base 711 is fixed at an end of the feeding moving base 702 near the pipe cutting device, the upper clamping plate 712 is opposite to and parallel to the lower clamping plate 713, the tenth linear guide is vertically arranged, the upper clamping plate 712 and the lower clamping plate 713 are respectively connected to the vertical centering base 711 through the fourteenth linear guide pair 714, and the upper clamping plate 712 and the lower clamping plate 713 are respectively driven by the fifteenth linear driving assembly to move along the fourteenth linear guide pair 714 in opposite directions or opposite directions.

In this embodiment, the fifteenth linear driving assembly includes a clamping cylinder 715, a first rack 716, a second rack 717 and a gear 718, where the first rack 716 and the second rack 717 are vertically arranged, the first rack 716 is fixed on the moving base of the upper clamping plate 712, the second rack 717 is fixed on the moving base of the lower clamping plate 713, the gear 718 is disposed between the first rack 716 and the second rack 717, two sides of the gear 718 are respectively meshed with the first rack 716 and the second rack 717, the clamping cylinder 715 is fixed on the vertical centering base 711, and a push rod of the clamping cylinder 715 is connected with the moving base of the lower clamping plate 713 through a connecting arm. Therefore, when the clamping cylinder 715 pushes the moving base of the lower clamping plate 713 to move downwards, the second rack 717 simultaneously moves downwards along with the lower clamping plate 713 and drives the first rack 716 to move upwards through the gear 718, the upper clamping plate 712 also moves upwards, namely the upper clamping plate 712 and the lower clamping plate 713 synchronously and outwards prop open for equal distance, and the pipe material is loosened, when the clamping cylinder 715 pushes the moving base of the lower clamping plate 713 to move upwards, the second rack 717 simultaneously moves upwards along with the lower clamping plate 713 and drives the first rack 716 to move upwards through the gear 718, and the upper clamping plate 712 also moves upwards, namely the upper clamping plate 712 and the lower clamping plate 713 synchronously and inwards fold for equal distance, so that the pipe material is centered and clamped.

The material supporting mechanism 800 includes a material supporting frame 801 and a material supporting assembly 802 disposed on the material supporting frame 801, the material supporting frame 801 is disposed on a feeding side of the cutting machine 900, the material supporting assembly 802 is disposed at a plurality of positions along a longitudinal interval, the material supporting assembly 802 includes a carrier roller 803, a carrier roller mounting seat 804, a swing rod 805, a cylinder moving seat 806, a material supporting cylinder 807, a ninth linear guide pair 808 and a ninth linear driving assembly, the carrier roller 803 is rotatably connected to the carrier roller mounting seat 804, the carrier roller mounting seat 804 is connected with one end of the swing rod 805, the other end of the swing rod 805 is rotatably connected with a cross beam of the material supporting frame 801, two lateral sides of the material supporting cylinder 807 are respectively rotatably connected with two lateral sides of the cylinder moving seat 806, a push rod of the material supporting cylinder 807 is upward and rotatably connected with the swing rod 805, two lateral sides of the cylinder moving seat 806 are respectively connected to the material supporting frame 801 through the ninth linear guide pair 808 along the longitudinal direction, and the lateral sides of the cylinder moving seat 806 are respectively connected to the material supporting frame 801 through the ninth linear guide pair 808 and the ninth linear guide pair 806 is rotatably driven by the ninth linear guide pair 806.

The working process of the material supporting mechanism 800 is that when the material supporting centering mechanism 700 conveys the pipe material to the position right above the carrier roller 803, the push rod of the material supporting cylinder 807 extends out and drives the swing rod 805 to swing upwards, the swing rod 805 drives the carrier roller 803 to move upwards and support the pipe material, in the pipe material cutting process of the cutting machine 900, the pipe material needs to be rotated to adjust the cutting position, especially when a multi-sided pipe is rotated, the ninth linear driving assembly drives the cylinder moving seat 806 to move back and forth, so that the material supporting cylinder 807 swings back and forth and drives the swing rod 805 to swing up and down at the same time, and then the carrier roller 803 is driven to move up and down along with the rotation of the pipe material, and the edge of the pipe material is avoided when the pipe material is supported by the carrier roller 903.

In this embodiment, the ninth linear driving assembly includes a first servo motor 809, a first transmission component and a follower rod 810, where the follower rod 810 is disposed longitudinally, a plurality of cylinder moving bases 806 of the material supporting mechanism are all connected to the follower rod 810, the first servo motor 809 is fixed in the material supporting frame 801, and a power output end of the first servo motor 809 is connected with the follower rod 810 through the first transmission component and drives the follower rod 810 to drive the cylinder moving bases 806 to move along the ninth linear guide rail pair. The first transmission component is a transmission component capable of converting the rotation power of the first servo motor 809 into linear power, such as a ball screw nut pair.

Illustratively, the feeding mechanism 1000 comprises a first chuck 1001 for clamping the front end of the pipe material, a second chuck 1002 for clamping the pipe material and allowing the rear end of the pipe material to pass through, a tenth linear guide pair 1003, a tenth linear driving assembly and an eleventh linear driving assembly, wherein a cutting station of the cutting machine 900 is positioned behind the second chuck 1002, the tenth linear guide pair 1003 is longitudinally arranged, the first chuck 1001 is connected to the top of the material supporting frame 801 through the tenth linear guide pair 1003, the first chuck 1001 is driven by the tenth linear driving assembly to move along the tenth linear guide pair 1003, the second chuck 1002 is connected to the top of the material supporting frame 801 through the tenth linear guide pair 1003, and the second chuck 1002 is driven by the eleventh linear driving assembly to move along the tenth linear guide pair 1003. The tenth linear driving assembly and the eleventh linear driving assembly may be linear driving assemblies formed by a motor, a gear and a rack, or may be linear driving assemblies formed by a motor and a ball screw nut pair.

The feeding mechanism 1000 operates as follows, when the feeding centering mechanism 700 conveys the pipe material to a designated position, the carrier roller 803 of the material supporting mechanism 800 moves upward and supports the pipe material, then the first chuck 1001 moves to the front end of the pipe material and clamps the pipe material, then the first chuck 1001 drives the pipe material to move toward the second chuck according to the required cutting length of the pipe material, and the rear end of the pipe material passes through the second chuck 1002 and fixes the cutting position of the pipe material at the cutting station of the cutting machine.

The material receiving mechanism 1100 comprises a material receiving frame 1101 and a material receiving plate 1102 arranged on the material receiving frame 1101, the material receiving frame 1101 is arranged on the material discharging side of the cutting machine 900, the material receiving plate 1102 comprises a fixed plate 1103 and a movable turning plate 1104, the movable turning plate 1104 is rotatably connected with the fixed plate 1103, a plurality of rollers 1105 are arranged on the movable turning plate 1104 at intervals in the longitudinal direction, a plurality of material receiving assemblies 1106 are arranged on the material receiving frame 1101 at intervals in the longitudinal direction, each material receiving assembly comprises a material receiving cylinder 1107, a cylinder lifting seat 1108, an eleventh linear guide rail pair and a twelfth linear driving assembly, the upper end of the cylinder lifting seat 1108 is fixedly connected with the fixed plate 1103, a cylinder body of the material receiving cylinder 1107 is rotatably connected with the cylinder lifting seat 1108, a push rod of the material receiving cylinder 1107 is rotatably connected with the movable turning plate 1104, when the push rod of the material receiving cylinder 1107 is in a contracted state, the movable turning plate is horizontally arranged, when the push rod of the material receiving cylinder 1107 is in an extended state, the movable turning plate is arranged in an inclined state, and the eleventh linear guide rail pair is arranged on the eleventh linear guide rail pair and is connected with the eleventh linear guide rail pair and is driven to move along the eleventh linear guide rail pair and is connected with the eleventh linear guide rail 1108.

The receiving mechanism 1100 has the working process that when the feeding mechanism 1000 pushes the pipe material to the rear of the second chuck according to the cutting length of the pipe material, the twelfth linear driving component drives the air cylinder lifting seat 1108 to move upwards, the receiving plate 1102 moves upwards along with the air cylinder lifting seat 1108, at the moment, the push rod of the receiving air cylinder 1107 is in a contracted state, so that the rolling shaft 1105 on the movable turning plate 1104 is horizontally arranged and supports the pipe material, when the pipe material is cut off, the twelfth linear driving component drives the air cylinder lifting seat to reset, the receiving plate 1102 descends with a cut-off finished product, and meanwhile, the push rod of the receiving air cylinder 1107 extends and drives the movable turning plate 1104 to incline upwards towards one side of the fixed plate 1103, so that the finished product on the movable turning plate 1104 is rolled out and sent out. It should be further noted that, in the process of cutting the pipe material by the cutting machine 900, the cutting position needs to be adjusted by rotating the pipe material, especially when rotating the polygonal pipe, the twelfth linear driving assembly can drive the cylinder moving seat 806 to move up and down, so as to drive the material receiving plate 1102 to move up and down along with the rotation of the pipe material, so as to ensure that the pipe material is supported by the material receiving plate 1102 and avoid the edge of the pipe material.

In this embodiment, the twelfth linear driving assembly includes a second servo motor, a second transmission component and a follower shaft 1109, the second transmission component is provided with a plurality of second transmission components, the second transmission component includes a rack 1110 and a gear 1111 that are meshed with each other, the rack 1110 is vertically arranged and fixed on the cylinder lifting seat 1108, the follower shaft 1109 is longitudinally arranged, the gears 1111 on the plurality of second transmission components are all connected on the follower shaft 1109, the second servo motor is fixed in the material receiving rack, and a power output end of the second servo motor is connected with the follower shaft 1109.

Illustratively, the carrier roller 803 includes two first carrier roller units 803a arranged in a V-shape and one second carrier roller unit 803b arranged horizontally, the first carrier roller unit 803a is rotatably mounted at one end of the carrier roller mounting seat 804, the second carrier roller unit 803b is rotatably mounted at the other end of the carrier roller mounting seat 804, and detachable connection is formed between the carrier roller mounting seat 804 and the swing rod 805. Therefore, the first carrier roller unit 803a can well prevent left and right displacement of round pipe materials (namely round pipes), when the diameter of the round pipe is overlarge, the first carrier roller unit 803a can be changed to the second carrier roller unit 803b in a turning mode, the second carrier roller unit 803b can stably support the round pipe with the large diameter, the second carrier roller unit 803b can also support polygonal pipes (such as triangular pipes, square pipes, five-side pipes and six-side pipes), the pipe material supporting requirements of different specifications and different sizes are met, and the application range is enlarged.

The material supporting mechanism further comprises a variable diameter wheel assembly 811 arranged on the material supporting frame 801, a plurality of variable diameter wheel assemblies 811 are longitudinally arranged at intervals, the variable diameter wheel assembly 811 comprises a variable diameter wheel 812, a variable diameter wheel bracket 813 and a variable diameter wheel lifting cylinder 814, the variable diameter wheel 812 is rotatably connected to the variable diameter wheel bracket 813, the variable diameter wheel 812 is provided with a C-shaped groove 815, the groove width of the C-shaped groove 815 is gradually reduced along the circumferential direction of the variable diameter wheel 812 and forms an end-to-end variable diameter channel, a plurality of limiting holes 816 are formed in the end face of the variable diameter wheel 812 at equal intervals along the circumferential direction of the end face of the variable diameter wheel, a connecting plate 817 is fixedly arranged on the variable diameter wheel bracket 813, the limiting screw 818 is connected in any one of the limiting holes 816 through the threaded hole, the variable diameter wheel lifting cylinder 814 is fixedly arranged on the material supporting frame 801, and a push rod of the variable diameter wheel lifting cylinder 814 is upwards and fixedly connected with the variable diameter wheel bracket 813. Therefore, before equipment feeding, the C-shaped groove can be adjusted to a proper groove width according to the pipe diameter of the pipe material (round pipe), the device is applicable to round pipes with various pipe diameter specifications, has wide application range and strong practicability, can rapidly and stably support the pipe material, effectively prevents the pipe material from deforming in the cutting process, improves the stability and improves the cutting effect of the pipe material.

Illustratively, to facilitate the output of the cut tube materials, a blanking table 1112 is disposed on one lateral side of the receiving frame 1101, a belt conveying device capable of conveying the tube materials along the longitudinal direction is disposed on the blanking table 1112, and a baffle for preventing the tube materials from rolling off is disposed on one side of the blanking table 1112 away from the receiving frame 1101.

Illustratively, in order to make the apparatus suitable for cutting extra-long pipe materials, the material receiving frame 1101 is provided with a third chuck 1113, a twelfth linear guide pair 1114 and a thirteenth linear driving assembly, wherein the third chuck 1113 is used for clamping the pipe materials and allowing the rear end of the pipe materials to pass through, the twelfth linear guide pair 1114 is arranged along the longitudinal direction, the third chuck 1113 is connected to the top of the material receiving frame through the twelfth linear guide pair 1114, and the third chuck 1113 is driven by the thirteenth linear driving assembly to move along the twelfth linear guide pair 1114. The thirteenth linear driving assembly may be a linear driving assembly composed of a motor, a gear and a rack, or may be a linear driving assembly composed of a motor and a ball screw nut pair. By providing the third chuck 1113, the tube material can be discharged in the longitudinal direction, and the practicability is high.

In addition, the guide structure of each linear guide rail pair is composed of a guide rail (or guide rod) and a sliding block (or guide hole seat), and will not be described in detail.

In the description of the present invention, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, for example, as a fixed connection, a removable connection, or an integral connection, as a mechanical connection, as an electrical connection, as a direct connection, as an indirect connection via an intermediary, or as a 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.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims

1. An automated pipe cutting device, with the length direction of the pipe as the longitudinal direction, the direction parallel to the horizontal plane where the pipe is located and perpendicular to the longitudinal direction as the transverse direction, and the direction perpendicular to the horizontal plane where the pipe is located as the vertical direction, characterized in that it comprises a pipe material distribution warehouse, a pipe material conveying device and a pipe material cutting device, wherein the pipe material distribution warehouse and the pipe material conveying device are sequentially arranged on one side of the lateral side of the feeding end of the pipe material cutting device along the feeding direction of the pipe material;

The pipe material distribution warehouse comprises a pipe material warehouse rack for loading batch pipe materials and a pipe material distribution mechanism that can distribute the pipe materials on the pipe material warehouse rack one by one, the pipe material distribution mechanism is installed on the discharge side of the pipe material warehouse rack, and a plurality of the pipe material distribution mechanisms are arranged at intervals along the longitudinal direction; the pipe material distribution mechanism comprises a fixed base plate, an adjustment plate, a feeding plate, a top plate, a first linear guide pair, a second linear guide pair, a third linear guide pair, a first linear drive assembly, a second linear drive assembly and a third linear drive assembly; the fixed base plate is fixed on the discharge side of the pipe material warehouse rack, and the fixed base plate, the adjustment plate, the upper plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the lower plate, the upper ... The material plate and the top material plate are arranged vertically and in parallel, and the plate edges of the fixed base plate, the adjustment plate, the loading plate and the top material plate facing the inner side of the pipe material distribution warehouse are parallel to each other, and the upper end of the fixed base plate is provided with a material receiving bayonet; the first linear guide pair is perpendicular to the plate edge of the adjustment plate facing the inner side of the pipe material distribution warehouse, the adjustment plate is connected to a side plate surface of the fixed base plate through the first linear guide pair, and the adjustment plate is driven by the first linear drive component to move along the first linear guide pair; the second linear guide pair is parallel to the plate edge of the loading plate facing the inner side of the pipe material distribution warehouse, and the loading plate is connected to the The rail pair is connected to the plate surface of the adjustment plate, and the loading plate is driven by the second linear drive component to move along the second linear guide pair; the third linear guide pair is parallel to the plate edge of the ejecting plate toward the inner side of the pipe material distribution warehouse, and the ejecting plate is connected to the plate surface of the other side of the fixed base plate through the third linear guide pair, and the ejecting plate is driven by the third linear drive component to move along the third linear guide pair; when the plate edge of the loading plate toward the inner side of the pipe material distribution warehouse protrudes out of the plate edge of the fixed base plate toward the inner side of the pipe material distribution warehouse, the upper plate edge of the loading plate and the fixed base plate toward the pipe material The plate edge on the inner side of the material distribution warehouse forms a material distribution bayonet; the pipe material distribution warehouse also includes a pipe material lifting mechanism that can lift the pipe material on the pipe material warehouse frame to the material distribution bayonet, and the pipe material lifting mechanism is arranged in a plurality of longitudinal intervals, and the pipe material lifting mechanism includes a belt strip, a retractable reel and a rotary drive assembly, the retractable reel is rotatably connected to the fixed base plate, and the retractable reel is driven to rotate by the rotary drive assembly; the belt strip is wound around the bottom of the lowest layer of pipe material in the pipe material warehouse, one end of the belt strip is fixedly connected to the retractable reel, and the other end is fixedly connected to a side of the pipe material warehouse frame away from the retractable reel;

The pipe material conveying device includes a feeding rack for receiving the pipe materials transmitted by the pipe material dividing mechanism, a transfer and centering mechanism capable of transferring the pipe materials on the feeding rack one by one to the discharging side and realizing horizontal centering positioning, and a feeding centering mechanism capable of realizing vertical centering positioning of the pipe materials on the discharging side of the feeding rack and conveying them to the pipe material cutting device, the transfer and centering mechanism and the feeding centering mechanism are both installed on the feeding rack, a plurality of the transfer and centering mechanisms are arranged at intervals along the longitudinal direction, and a plurality of the feeding centering mechanisms are arranged at intervals along the longitudinal direction;

The pipe cutting device includes a supporting mechanism capable of supporting the pipe delivered by the feeding and centering mechanism, a cutting machine capable of cutting the pipe, a feeding mechanism capable of longitudinally advancing the pipe on the supporting mechanism to the cutting machine, and a receiving mechanism capable of supporting the pipe on the discharge side of the cutting machine.

2. The automated tube cutting equipment as described in claim 1 is characterized in that a first induction switch and a second induction switch are provided at the upper end of the plate edge of the loading plate facing the inner side of the tube material distribution warehouse, the induction head of the first induction switch faces the plate edge of the loading plate facing the inner side of the tube material distribution warehouse, the induction head of the second induction switch faces the upper plate edge of the loading plate, the first induction switch is electrically connected to the control circuit of the first linear drive component and the control circuit of the second linear drive component, respectively, and the second induction switch is electrically connected to the control circuit of the first linear drive component and the control circuit of the second linear drive component, respectively.

3. The automated pipe cutting equipment as described in claim 2 is characterized in that a third induction switch is provided at the upper end of the plate edge of the fixed base plate facing the inner side of the pipe material distribution warehouse, and a fourth induction switch is provided at the upper end of the plate edge of the top material plate facing the inner side of the pipe material distribution warehouse, the induction head of the third induction switch is facing the plate edge of the fixed base plate facing the inner side of the pipe material distribution warehouse, and the induction head of the fourth induction switch is facing the upper plate edge of the top material plate, the third induction switch is electrically connected to the control circuit of the second linear drive component, respectively, and the fourth induction switch is electrically connected to the control circuit of the second linear drive component and the control circuit of the third linear drive component, respectively.

4. The automated pipe cutting equipment as described in claim 3 is characterized in that the pipe material dividing mechanism also includes a pushing plate, a pushing cylinder and a fifth induction switch, the pushing cylinder is fixed on the fixed base plate near its upper end plate edge, the push rod of the pushing cylinder is connected to the pushing plate, and the extension direction of the push rod of the pushing cylinder is perpendicular to the plate edge of the fixed base plate toward the inner side of the pipe material dividing warehouse, the fifth induction switch is arranged on the pushing plate, and the induction head of the fifth induction switch faces one side of the material dividing bayonet, and the fifth induction switch is electrically connected to the control circuit of the pushing cylinder.

5. The automated pipe cutting equipment as described in any one of claims 1 to 4 is characterized in that the pipe material distribution warehouse also includes a pipe material positioning mechanism, the pipe material positioning mechanism includes a movable positioning plate, a fixed positioning plate, a fourth linear guide pair and a fourth linear drive assembly, the movable positioning plate and the fixed positioning plate are respectively located at the longitudinal ends of the pipe material moved to the material receiving port and are arranged in parallel relative to each other, the fixed positioning plate is fixed to the pipe material warehouse frame, the fourth linear guide pair is arranged in the longitudinal direction, the movable base of the movable positioning plate is connected to the top of the discharge side of the pipe material warehouse frame through the fourth linear guide pair, and the movable positioning plate is driven by the fourth linear drive assembly to move along the fourth linear guide pair.

6. The automatic tube cutting equipment according to claim 5, characterized in that the feeder frame is provided with a plurality of support frames arranged at intervals in the longitudinal direction, the top surface of the support frame is inclined, the upper end of the top surface of the support frame is connected to the upper end of the material receiving bayonet, the lower end of the top surface of the support frame is provided with a limit block extending upward, and the top surface of the support frame is provided with a roller;

The material transfer and centering mechanism includes a material transfer fixed base plate, a material transfer movable seat, a material transfer support plate, a centering movable seat, a transverse centering fixture, a fifth linear guide pair, a sixth linear guide pair, a seventh linear guide pair, a fifth linear drive assembly, a sixth linear drive assembly and a seventh linear drive assembly. The material transfer fixed base plate is fixed on one side of the support frame; the fifth linear guide pair is arranged transversely, the material transfer movable seat is connected to the plate surface of the material transfer fixed base plate through the fifth linear guide pair, and the material transfer movable seat is driven by the fifth linear drive assembly to move along the fifth linear guide pair. The linear guide pair moves; the sixth linear guide pair is arranged vertically, the material transfer support plate is connected to the material transfer movable seat through the sixth linear guide pair, and the material transfer support plate is driven by the sixth linear drive assembly to move along the sixth linear guide pair; the seventh linear guide pair is arranged vertically, the centering movable seat is connected to the plate surface of the material transfer fixed base plate through the seventh linear guide pair, and the centering movable seat is driven by the seventh linear drive assembly to move along the seventh linear guide pair; the transverse centering fixture is arranged on the centering movable seat;

The feeding centering mechanism is provided with a feeding fixed base plate, a feeding movable seat, a vertical centering fixture, an eighth linear guide pair and an eighth linear drive assembly. The feeding fixed base plate is fixed on the other side of the support frame; the eighth linear guide pair is arranged horizontally, the feeding movable seat is connected to the plate surface of the feeding fixed base plate through the eighth linear guide pair, and the feeding movable seat is driven by the eighth linear drive assembly to move along the eighth linear guide pair; the vertical centering fixture is arranged on the feeding movable seat.

7. The automatic pipe cutting equipment as described in claim 1 is characterized in that the supporting mechanism includes a supporting frame and a supporting assembly arranged on the supporting frame, the supporting frame is arranged on the feeding side of the cutting machine, and a plurality of supporting assemblies are arranged at intervals along the longitudinal direction, the supporting assembly includes a roller, a roller mounting seat, a rocker arm, a cylinder moving seat, a supporting cylinder, a ninth linear guide pair and a ninth linear drive assembly, the roller is rotatably connected to the roller mounting seat, the roller mounting seat is connected to one end of the rocker arm, the other end of the rocker arm is rotatably connected to the crossbeam of the supporting frame, the lateral sides of the supporting cylinder are respectively rotatably connected to the lateral sides of the cylinder moving seat, the push rod of the supporting cylinder faces upward and is rotatably connected to the rocker arm, the ninth linear guide pair is arranged along the longitudinal direction, the lateral sides of the cylinder moving seat are respectively connected to the supporting frame through the ninth linear guide pair, and the cylinder moving seat is driven by the ninth linear drive assembly to move along the ninth linear guide pair;

The feeding mechanism comprises a first chuck for clamping the front end of the pipe material, a second chuck for clamping the pipe material and allowing the rear end of the pipe material to pass through, a tenth linear guide pair, a tenth linear drive assembly and an eleventh linear drive assembly, and the cutting station of the cutting machine is located behind the second chuck; the tenth linear guide pair is arranged in the longitudinal direction, the first chuck is connected to the top of the support frame through the tenth linear guide pair, and the first chuck is driven by the tenth linear drive assembly to move along the tenth linear guide pair; the second chuck is connected to the top of the support frame through the tenth linear guide pair, and the second chuck is driven by the eleventh linear drive assembly to move along the tenth linear guide pair;

The material receiving mechanism comprises a material receiving frame and a material receiving plate arranged on the material receiving frame, the material receiving frame is arranged on the material discharging side of the cutting machine, the top of the material receiving plate is provided with an opening, the opening is provided with a material receiving plate complementary to the shape of the opening, the material receiving plate comprises a fixed plate and a movable flap, the movable flap is rotatably connected to the fixed plate, and the movable flap is provided with a plurality of rollers arranged at intervals in the longitudinal direction; the material receiving frame is provided with a plurality of material receiving components arranged at intervals in the longitudinal direction, the material receiving components comprise a material receiving cylinder, a cylinder lifting seat, an eleventh linear guide pair and a twelfth linear drive component, The upper end of the cylinder lifting seat is fixedly connected to the fixed plate, the cylinder body of the material receiving cylinder is rotatably connected to the cylinder lifting seat, the push rod of the material receiving cylinder is rotatably connected to the movable flap, when the push rod of the material receiving cylinder is in a retracted state, the movable flap is horizontally arranged, and when the push rod of the material receiving cylinder is in an extended state, the movable flap is tilted upward; the eleventh linear guide pair is arranged vertically, the cylinder lifting seat is connected to the material receiving frame through the guide pair, and the cylinder lifting seat is driven by the twelfth linear drive assembly to move along the eleventh linear guide pair.

8. The automated pipe cutting equipment as described in claim 7 is characterized in that the ninth linear drive assembly comprises a first servo motor, a first transmission component and a follower rod, the follower rod is arranged longitudinally, and the cylinder moving seats of several of the supporting mechanisms are connected to the follower rod, the first servo motor is fixed in the supporting frame, the power output end of the first servo motor is connected to the follower rod through the first transmission component, and drives the follower rod to drive the cylinder moving seat to move along the ninth linear guide pair.

9. The automated pipe cutting equipment as described in claim 7 is characterized in that the twelfth linear drive assembly comprises a second servo motor, a second transmission component and a follower shaft, the second transmission component is provided with a plurality of the second transmission components, the second transmission component comprises a rack and a gear meshing with each other, the rack is arranged vertically and fixed on the cylinder lifting seat, the follower shaft is arranged longitudinally, a plurality of gears on the second transmission component are connected to the follower shaft, the second servo motor is fixed in the material receiving frame, and the power output end of the second servo motor is connected to the follower shaft.

10. The automated pipe cutting equipment as described in claim 7 is characterized in that the roller comprises two first roller units arranged in a V-shape and one second roller unit arranged horizontally, the first roller unit is rotatably mounted on one end of the roller mounting seat, the second roller unit is rotatably mounted on the other end of the roller mounting seat, and the roller mounting seat and the rocker arm are detachably connected.

11. The automated pipe cutting equipment as claimed in claim 7 is characterized in that the supporting mechanism also includes a variable diameter wheel assembly arranged on the supporting frame, wherein the variable diameter wheel assembly is arranged at intervals along the longitudinal direction, the variable diameter wheel assembly includes a variable diameter wheel, a variable diameter wheel bracket and a variable diameter wheel lifting cylinder, the variable diameter wheel is rotatably connected to the variable diameter wheel bracket, the variable diameter wheel is provided with a C-shaped groove, the groove width of the C-shaped groove gradually decreases along the circumferential direction of the variable diameter wheel and forms a variable diameter channel connected end to end, the end face of the variable diameter wheel is provided with a plurality of limit holes arranged at equal intervals along the circumferential direction of the end face, the variable diameter wheel bracket is fixed with a connecting plate, the connecting plate is provided with a threaded hole for connection of a limit screw, the limit screw is inserted into any of the limit holes through the threaded hole; the variable diameter wheel lifting cylinder is fixed on the supporting frame, and the push rod of the variable diameter wheel lifting cylinder faces upward and is fixedly connected to the variable diameter wheel bracket.

12. The automated pipe cutting equipment as described in claim 7 is characterized in that a material unloading platform is provided on a lateral side of the material receiving frame, a belt conveyor device for conveying the pipe material in the longitudinal direction is provided on the material unloading platform, and a baffle for preventing the pipe material from rolling down is provided on the side of the material unloading platform away from the material receiving frame.

13. The automated pipe cutting equipment as described in claim 7 is characterized in that a third chuck, a twelfth linear guide pair and a thirteenth linear drive assembly are provided on the material receiving frame for clamping the pipe and allowing the rear end of the pipe to pass through, the twelfth linear guide pair is arranged longitudinally, the third chuck is connected to the top of the material receiving frame through the twelfth linear guide pair, and the third chuck is driven by the thirteenth linear drive assembly to move along the twelfth linear guide pair.