CN111687253A - Metal tube bending device based on automation - Google Patents

Abstract

The invention discloses a metal pipe bending device based on automation, and relates to the technical field of metal pipe machining equipment. The bending device comprises a bending system, wherein the bending system comprises a working platform, a bending fixed end is arranged at the center of the upper surface of the working platform in a matched mode, and the bottom side surface of the working platform is connected with a supporting plate through a fixed side plate; the fixed motor that bends in the backup pad is fixed with the driver of bending on the output shaft of the motor of bending, and the driver of bending includes a fixed part of being connected with the motor output shaft that bends cooperatees, and one side of fixed part is connected with a swing arm, and the other end of swing arm is fixed with a axostylus axostyle of bending, and the top of the axostylus axostyle of bending is connected with a bend or the end of bending. The invention is provided with two arc-shaped fixing grooves and the two arc-shaped fixing grooves are matched with and provided with the stop blocks, so that the bending is realized according to the requirement to form any bending angle; meanwhile, the bent head or the bent end is arranged, so that the stress part of the metal pipe can be effectively prevented from being sunken and damaged in the bending process.

Description

Metal tube bending device based on automation

Technical Field

The invention belongs to the technical field of metal pipe processing equipment, and particularly relates to a metal pipe bending device based on automation.

Background

Metal pipes are used in a wide variety of applications, mainly in water supply, drainage, heating, gas supply, long-distance transport of oil and gas, agricultural irrigation, hydraulic engineering and various industrial installations. In various complex pipeline systems, in order to adapt to use occasions, a metal bent pipe is a common pipe fitting, a pipe bender is usually adopted for processing the metal pipe at present, the existing pipe bender can bend a straight pipe to enable the straight metal pipe to generate plastic deformation so as to process the bent pipe, and the existing pipe bender cannot well realize the bending of the metal pipe at the same position when in use so as to obtain the metal bent pipes with the same batch specification; meanwhile, in the salted fish pipe bender, the stress part of the metal pipe is easy to dent and bend during pipe bending operation, and the like, which affects the service performance of the metal pipe.

Disclosure of Invention

The invention aims to provide an automatic metal pipe bending device to solve the problems in the background technology.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic metal pipe bending device, which comprises a bending system, wherein the bending system comprises a working platform, a bending fixed end is arranged at the center of the upper surface of the working platform in a matched manner, and the bottom side surface of the working platform is connected with a supporting plate through a fixed side plate; the bending device comprises a supporting plate, and is characterized in that a bending motor is fixed on the supporting plate, a bending driver is fixed on an output shaft of the bending motor, the bending driver comprises a fixing part which is matched and connected with the output shaft of the bending motor, one side of the fixing part is connected with a swing arm, the other end of the swing arm is fixed with a bending shaft lever, and the top end of the bending shaft lever is connected with a bending head or a bending end.

Furthermore, the bending end comprises a connecting end fixed at the top of the bending shaft rod, the connecting end is of an I-shaped structure, and an extrusion structure is arranged on the connecting end in a matching manner;

the extrusion structure comprises an inner ring body fixed on the connecting end, and the inner ring body is connected with an outer sleeve ring through a plurality of elastic pieces; the outer collar is made of rubber, and the thickness of the outer collar is 0.5 cm.

Furthermore, the bending head comprises a U-shaped fixed seat fixed at the top of the bending shaft rod, a fixed block is installed in the U-shaped fixed seat in a matched mode, two side walls of the U-shaped fixed seat are respectively provided with a hinge hole, a hinge shaft in rotary fit with the hinge hole is arranged on the fixed block, and an arc-shaped channel is arranged on one side of the fixed block.

Furthermore, an arc-shaped notch matched with the path of the bending shaft lever is formed in the working platform; a first stop block is arranged on the working platform at one end of the arc-shaped notch, and a second stop block is arranged on the working platform at the other end of the arc-shaped notch.

Furthermore, a first arc-shaped fixing groove and a second arc-shaped fixing groove are respectively formed in the working platforms positioned on two sides of the arc-shaped notch.

Furthermore, the arc-shaped notch, the first arc-shaped fixing groove and the second arc-shaped fixing groove are of a concentric circle structure.

Furthermore, two ends of the second stop block are respectively provided with a fixing screw A penetrating through the first arc-shaped fixing groove and/or the second arc-shaped fixing groove, and the fixing screw A is in threaded connection with a fixing nut.

Further, a pressure sensor A is arranged on the first stop block, and a pressure sensor B is arranged on the second stop block.

Furthermore, the bending fixed end comprises a circular bending plate, an annular channel is arranged on the outer side of the circular bending plate, a fixed block is arranged on one side of the circular bending plate, and a through hole tangent to the annular channel is formed in the fixed block; the round bending plate and the fixing block are combined to form a b-shaped structure.

In actual operation, the curvature of the bending part of the metal bent pipe can be changed by replacing bending fixed ends with different specifications.

Furthermore, a hexagonal mounting hole is formed in the circular bending plate, a hexagonal mounting column matched with the hexagonal mounting hole is arranged in the center of the working platform, a threaded column is arranged at the end of the hexagonal mounting column, and a fixing nut B is connected to the end of the threaded column in a threaded manner;

one side of work platform is provided with a mount pad, install a telescopic link on the mount pad, the central axis of telescopic link and the central axis collineation of perforating hole.

When in use, the short metal tube to be bent passes through the through hole, and the end part of the short metal tube is abutted against the telescopic rod; adjusting the telescopic rod to stretch according to the length of the short metal pipe and the bending requirement;

starting a bending motor, driving a bending driver to rotate by the rotation of the bending motor, rotating a swing arm at the moment, and bending the short metal pipe along the annular channel by bending the elbow or the bending end;

controlling a bending motor to rotate by a corresponding radian according to requirements, and bending the short metal pipe to form a bent pipe, wherein the bent pipe is in one of a U shape, an L shape or a V shape;

the bending control method comprises the steps of controlling a bending motor to rotate to a corresponding radian, specifically moving to a corresponding position in advance through matching of a fixing screw rod A and a first arc-shaped fixing groove and/or a second arc-shaped fixing groove according to the requirement of the bending degree of a metal pipe, and fixing through a fixing nut; when the bending motor rotates, the bending motor stops rotating after the pressure sensor B on the second stop detects a pressure signal; after the bent pipe formed by bending is taken out of the working platform, the controller bending motor rotates reversely until the bent pipe or the bent end abuts against the first stop block, the pressure sensor A detects a pressure signal, and the controller bending motor stops rotating at the moment.

The invention has the following beneficial effects:

the two arc-shaped fixing grooves are arranged, and the stop blocks are arranged on the two arc-shaped fixing grooves in a matched mode, so that the bending can be carried out according to the requirement to form any bending angle; meanwhile, the bending head or the bending end is arranged, so that the stress part of the metal pipe can be effectively prevented from being sunken and damaged in the bending process.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a bending system according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a bent fixed end of the present invention;

FIG. 4 is an extruded structure according to the present invention;

FIG. 5 is a folded elbow of the present invention;

FIG. 6 is a bending actuator of the present invention;

FIG. 7 is a front view of FIG. 1;

FIG. 8 is an enlarged view of a portion of FIG. 7 at B;

FIG. 9 is a schematic structural view of an automatic bending apparatus according to the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 9 at C;

FIG. 11 is a schematic structural view of an automatic cutting and feeding device for metal pipes according to the present invention;

FIG. 12 is a top view of FIG. 11;

FIG. 13 is a left side view structure diagram of the automatic cutting apparatus for metal pipes according to the present invention;

FIG. 14 is a right side view structure diagram of the automatic cutting apparatus for metal pipes according to the present invention;

FIG. 15 is a schematic view of the feeding device of the present invention;

FIG. 16 is a schematic view of an assembly structure of the slider and the baffle according to the present invention;

FIG. 17 is a schematic view of the holding rack of the present invention;

FIG. 18 is a structural view of a metal tube clamping structure B according to the present invention;

FIG. 19 is a schematic structural view of a metal pipe bending and discharging system according to the present invention;

FIG. 20 is a schematic view of a moving assembly according to the present invention;

FIG. 21 is a schematic view of a clamping assembly according to the present invention;

fig. 22 is a schematic structural view of a metal pipe bending apparatus according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Example 1

Referring to fig. 1-7, an automatic metal pipe bending device includes a bending system 100, where the bending system 100 includes a working platform 1, a bending fixing end 14 is installed at the center of the upper surface of the working platform 1 in a matching manner, and the bottom side surface of the working platform 1 is connected to a supporting plate 11 through a fixing side plate 112; a bending motor 111 is fixed on the support plate 11, a bending driver is fixed on an output shaft of the bending motor 111, the bending driver comprises a fixing part 16 which is matched and connected with the output shaft of the bending motor 111, one side of the fixing part 16 is connected with a swing arm 161, the other end of the swing arm 161 is fixed with a bending shaft 162, and the top end of the bending shaft 162 is connected with a bending head 19 or a bending end head.

Referring to fig. 1 and 4, the bending end includes a connecting end 17 fixed on the top of the bending shaft 162, the connecting end 17 is an i-shaped structure, and the connecting end 17 is fittingly installed with an extruding structure 18; the extrusion structure 18 comprises an inner ring 181 fixed on the connecting end 17, the inner ring 181 is connected with an outer collar 183 through a plurality of elastic members 182; the outer collar 183 is made of rubber and has a thickness of 0.5 cm.

Referring to fig. 5, the bending head 19 includes a U-shaped fixing base 191 fixed on the top of the bending shaft 162, a fixing block 192 is installed in the U-shaped fixing base 191 in a matching manner, two side walls of the U-shaped fixing base 191 are respectively provided with a hinge hole, the fixing block 192 is provided with a hinge shaft 194 rotatably matched with the hinge hole, and one side of the fixing block 192 is provided with an arc-shaped channel 193.

Referring to fig. 1, the working platform 1 is provided with an arc-shaped notch 12 matching with the path of the bending shaft 162; a first stop block 121 is arranged on the working platform 1 at one end of the arc-shaped notch 12, and a second stop block 122 is arranged on the working platform 1 at the other end of the arc-shaped notch 12.

Referring to fig. 1, the work platform 1 on both sides of the arc-shaped notch 12 is further provided with a first arc-shaped fixing groove 125 and a second arc-shaped fixing groove 126, respectively.

Referring to fig. 1, the arc-shaped notch 12, the first arc-shaped fixing groove 125 and the second arc-shaped fixing groove 126 are concentric.

Referring to fig. 7, the two ends of the second stopper 122 are respectively provided with a fixing screw a123 penetrating through the first arc-shaped fixing groove 125 and/or the second arc-shaped fixing groove 126, and a fixing nut 124 is threadedly connected to the fixing screw a 123.

Further, a pressure sensor a is provided on the first stopper 121, and a pressure sensor B is provided on the second stopper 122.

Referring to fig. 3, the bending fixing end 14 includes a circular bending plate 140, an annular channel 141 is disposed on an outer side of the circular bending plate 140, a fixing block 143 is disposed on one side of the circular bending plate 140, and a through hole 144 tangential to the annular channel 141 is disposed on the fixing block 143; the round bending plate 140 and the fixing block 143 are combined to form a b-shaped structure.

In practical operation, in order to obtain metal bent pipes with different bending radians, the metal bent pipes with different bending radians can be obtained by replacing the bending fixed ends 14 with different specifications.

Referring to fig. 1, a hexagonal mounting hole 142 is formed in the circular bending plate 140, a hexagonal mounting column for matching with the hexagonal mounting hole 142 is arranged at the center of the working platform 1, a threaded column 13 is arranged at the end of the hexagonal mounting column, and a fixing nut B131 is connected to the end of the threaded column 13 in a threaded manner; one side of the working platform 1 is provided with a mounting seat 15, an expansion link 15 is mounted on the mounting seat 15, and the central axis of the expansion link 15 is collinear with the central axis of the through hole 144.

When in use, the short metal tube 7 to be bent passes through the through hole 144, and the end part of the short metal tube abuts against the telescopic rod 15; adjusting the telescopic rod 15 to stretch according to the length of the short metal pipe 7 and the bending requirement;

starting the bending motor 111, enabling the bending motor 111 to rotate to drive the bending driver to rotate, enabling the swing arm 161 to rotate at the moment, and enabling the short metal pipe 7 to be bent along the annular groove 141 through the bending head 19 or the bending end;

controlling a bending motor 111 to rotate by a corresponding radian according to requirements, and bending the short metal pipe 7 to form a bent pipe 2, wherein the bent pipe 2 is in one of a U shape, an L shape or a square root shape;

the bending motor 111 is controlled to rotate to a corresponding radian, specifically, the bending motor is moved to a corresponding position in advance by matching the fixing screw rod a123 with the first arc-shaped fixing groove 125 and/or the second arc-shaped fixing groove 126 according to the requirement of the bending degree of the metal pipe, and is fixed by the fixing nut 124; when the bending motor 111 rotates, the bending motor 111 stops rotating after the pressure sensor B on the second stopper 122 detects a pressure signal; after the bent pipe 2 formed by bending is taken out of the working platform 1, the controller bending motor 111 rotates reversely until the bent pipe 19 or the bent end abuts against the first stop block 121, and the pressure sensor a detects a pressure signal, at this time, the controller bending motor 111 stops rotating.

Example 2

Referring to fig. 1-22, a metal tube bending apparatus includes a cutting system 500, a bending system 100, a feeding system, and a discharging system.

Referring to fig. 1, a bending system 100 includes a working platform 1, a bending fixing end 14 is installed at the center of the upper surface of the working platform 1; the bottom side surface of the working platform 1 is connected with a supporting plate 11 through a fixed side plate 112; a bending motor 111 is fixed on the supporting plate 11, and a bending driver is fixed on an output shaft of the bending motor 111; the bending driver comprises a fixing part 16 which is matched and connected with an output shaft of the bending motor 111, one side of the fixing part 16 is connected with a swing arm 161, the other end of the swing arm 161 is fixed with a bending shaft 162, and the top end of the bending shaft 162 is connected with a bending head 19 or a bending end.

Referring to fig. 1 and 4, the bending end includes a connecting end 17 fixed on the top of the bending shaft 162, the connecting end 17 is an i-shaped structure, the connecting end 17 is cooperatively provided with the extrusion structure 18, the extrusion structure 18 includes an inner ring 181 fixed on the connecting end 17, the inner ring 181 is connected with an outer collar 183 through a plurality of elastic members 182, the outer collar 183 is made of rubber, and the thickness of the outer collar 183 is 0.5 cm; the elastic member 182 is a compression spring or a rubber air bag; when the bent end applies pressure to the metal pipe, the elastic piece 182 contracts, the contact area of the outer collar 183 and the metal pipe is increased, and the situations that the stress position is sunken due to the fact that the stress area of the metal pipe is too small are avoided;

referring to fig. 5, the bending head 19 includes a U-shaped fixing base 191 fixed on the top of the bending shaft 162, a fixing block 192 is installed in the U-shaped fixing base 191 in a matching manner, two side walls of the U-shaped fixing base 191 are respectively provided with a hinge hole, the fixing block 192 is provided with a hinge shaft 194 rotatably matched with the hinge hole, and one side of the fixing block 192 is provided with an arc-shaped channel 193; when the bending head 19 applies pressure to the metal pipe, the arc-shaped channel 193 is in contact with the metal pipe, the contact area is large, and the situation that the stress position is sunken due to the fact that the stress area of the metal pipe is too small is avoided.

Referring to fig. 1, the working platform 1 is provided with an arc-shaped notch 12 matching with the path of the bending shaft 162; a first stop block 121 is arranged on the working platform 1 at one end of the arc-shaped notch 12, and a second stop block 122 is arranged on the working platform 1 at the other end of the arc-shaped notch 12; the working platform 1 positioned at two sides of the arc-shaped notch 12 is also provided with a first arc-shaped fixing groove 125 and a second arc-shaped fixing groove 126 respectively; the arc-shaped notch 12, the first arc-shaped fixing groove 125 and the second arc-shaped fixing groove 126 are formed in a concentric circle structure.

Referring to fig. 7, two ends of the second stopper 122 are respectively provided with a fixing screw a123 penetrating through the first arc-shaped fixing groove 125 and/or the second arc-shaped fixing groove 126, and the fixing screw a123 is in threaded connection with a fixing nut 124; the first stopper 121 is provided with a pressure sensor a, and the second stopper 122 is provided with a pressure sensor B.

Referring to fig. 3, the bending fixing end 14 includes a circular bending plate 140, an annular channel 141 is disposed on an outer side of the circular bending plate 140, a fixing block 143 is disposed on one side of the circular bending plate 140, and a through hole 144 tangential to the annular channel 141 is disposed on the fixing block 143; the round bending plate 140 and the fixing block 143 are combined to form a b-shaped structure;

referring to fig. 1, a hexagonal mounting hole 142 is formed in the circular bending plate 140, a hexagonal mounting column for matching with the hexagonal mounting hole 142 is disposed at the center of the working platform 1, a threaded column 13 is disposed at an end of the hexagonal mounting column, and a fixing nut B131 is connected to an end of the threaded column 13 through a thread. One side of the working platform 1 is provided with a mounting seat 15, an expansion link 15 is mounted on the mounting seat 15, and the central axis of the expansion link 15 is collinear with the central axis of the through hole 144.

Referring to fig. 13-14, the cutting system 500 includes a cutting platform 5, and a first vertical wall 51, a second vertical wall 52 and a third vertical wall 53 parallel to each other are sequentially disposed on the cutting platform 5; a telescopic motor 511 is arranged on one side surface of the first vertical wall 51 close to the second vertical wall 52, and the output end of the telescopic motor 511 is abutted against one side of the second vertical wall 52; a fixed pipe sleeve 521 is arranged on one side surface of the second vertical wall 52 close to the third vertical wall 53, and a metal pipe clamping structure A522 is installed at the end part of the fixed pipe sleeve 521; the bottom end of the fixed pipe sleeve 521 is provided with a pressure sensor E; a metal pipe cutting device 54 is arranged on one side surface of the third vertical wall 53 far away from the second vertical wall 52; the third vertical wall 53 is also provided with a through hole A531 for the metal pipe to pass through and to be matched with the metal pipe cut-off device 54; a transmission device is arranged between the third vertical wall 53 and the second vertical wall 52, the transmission device comprises a transmission belt 56, a driven roller shaft, a transmission roller shaft and a support frame for supporting the two roller shafts, and the support frame is also provided with a transmission motor for driving the transmission roller shaft to rotate; the conveyor belt 56 is sleeved on the driven roller shaft and the transmission roller shaft; the conveyor belt 56 is provided with a containing bracket 57 for containing the cut metal pipes, the cutting platform 5 is provided with two slide rails 50, and the bottom side surface of the second vertical wall 52 is provided with a chute A matched with the slide rails 50; the cross-section of the slide rail 50 is a dovetail or T-shaped structure.

Referring to fig. 17, the holding bracket 57 includes a rectangular bottom plate 571, and two ends of the rectangular bottom plate 571 are respectively provided with an arc-shaped support plate 572 for holding the cut metal pipe; the rectangular bottom plate 571 is provided with an installation through hole which is matched with the conveyor belt 56;

referring to fig. 9-10, 15 and 22, the feeding system of the feeding system includes an annular track a400 and a feeding device 200 capable of freely moving along the annular track a400, the feeding device 200 includes a feeding rack 41, a rotating motor a42 is disposed on the feeding rack 41, a circular rotating disc 43 is fixed at an end of the rotating motor a42, a plurality of electric telescopic rods a44 are disposed at an edge of the circular rotating disc 43, a connecting seat 45 is disposed at an end of the electric telescopic rod a44, a metal pipe transfer sleeve is disposed at an end of the connecting seat 45, and the metal pipe transfer sleeve includes a plurality of sleeves 47 and a plurality of metal pipe clamping structures B46 connected in sequence; both ends of any one metal pipe clamping structure B46 are connected with a sleeve 47, and the end part of the connecting seat 45 is connected with a sleeve 47;

the bottom end of the feeding rack 41 is provided with an electric rail car which can move along the annular rail A400;

referring to fig. 13-14, an extension plate 55 is disposed on one side of the third vertical wall 53, an electric telescopic rod D551 is fixed on one side of the extension plate 55 close to the conveyor belt 56, and an abutting plate 552 is fixed on the end of the electric telescopic rod D551; the abutting plate 552 is provided with a pressure sensor F,

referring to fig. 10 and 18, a metal tube clamping structure a522 and a metal tube clamping structure B46 have the same structure, the metal tube clamping structure B46 includes an outer fixing ring 461, a plurality of connecting plates 464 are disposed on the inner side wall of the outer fixing ring 461, and a connecting block 465 is disposed at the end of each connecting plate 464; the outer fixing ring 461 is also fixed with a plurality of micro motors A462, and the end parts of the micro motors A462 are provided with arc-shaped clamping blocks A463; the connecting block 465 is welded to the end of the sleeve 47 and/or the fixing socket 521.

Referring to fig. 1-2, the telescopic rod 15 is an electric telescopic rod, a tube 152 is fixed at an end of the telescopic rod 15, a chute B102 is disposed on the working platform 1 under the tube 152, a sliding block 101 is disposed in the chute B102 in a matching manner, a central axis of the tube 152 is parallel to the working platform 1, an opening 154 is disposed on a bottom side surface of the tube 152, and a plurality of guide chutes 153 are disposed on an inner wall of the opening 154;

referring to fig. 16, a pillar 103 is fixed on the slider 101 to fit into the opening 154, a mounting plate 104 is fixed on the top of the pillar 103, a baffle 106 is disposed on one side of the mounting plate 104, and a protrusion 107 is disposed on the periphery of the baffle 106 to fit into the guide chute 153; a pressure sensor C105 is mounted between the baffle 106 and the mounting plate 104.

Referring to fig. 19, the discharging system includes an annular rail B30 installed on the working platform 1, and an installation beam 31 is provided on the annular rail B30; the annular track B30 is movably matched with a moving assembly 33, and the bottom end of the moving assembly 33 is connected with a grabbing assembly 34 for grabbing the metal pipe;

referring to fig. 21, the moving assembly 33 includes a first electric sliding block 331 capable of freely moving along an annular track B30, a rotating motor B332 is disposed at a bottom end of the first electric sliding block 331, a mounting base plate 333 is fixed at an end of the rotating motor B332, a linear track 334 is disposed at a bottom side surface of the mounting base plate 333, and a second electric sliding block 335 capable of freely moving along the linear track 334 is disposed on the linear track 334. The bottom end of the second electric sliding block 335 is connected with an electric telescopic rod C336;

referring to fig. 20, the grabbing component 34 includes a U-shaped frame 341, and a fixing head 342 connected to the electric telescopic rod C336 is disposed on the U-shaped frame 341; a micro motor B345 is arranged on the inner side wall of the two open ends of the U-shaped frame 341, and an arc-shaped clamping block B346 is arranged at the end part of the micro motor B345; a spring 343 is respectively arranged at two end parts of the U-shaped frame 341, a supporting leg 344 is connected to the bottom end of the spring 343, and a pressure sensor D is arranged on the supporting leg 344.

One end of the annular track B30 is positioned above the working platform 1, and a material receiving station 300 is arranged right below the other end of the annular track B30.

A position sensor A is arranged on the annular track B30 above the working platform 1, and a position sensor B is arranged on the annular track B30 above the material receiving station 300.

A position sensor C is arranged on the cutting system 500, and a position sensor D is arranged on the working platform 1; the electric control system comprises a controller, wherein a signal output end of the controller is connected with a bending motor 111, a telescopic motor, a transmission motor, a metal pipe cutting device 54, a rotating motor A42, an electric telescopic rod A44, an electric telescopic rod D551, an electric rail car, a micro motor A462, a telescopic rod 15, an electric telescopic rod C336, a first electric slide block 331, a second electric slide block 335 and a micro motor B345; the signal input end of the controller is connected with a pressure sensor B, a pressure sensor A, a pressure sensor E, a pressure sensor C105, a pressure sensor D, a pressure sensor F, a position sensor A, a position sensor B, a position sensor C and a position sensor D.

The working process is as follows: comprises cutting, carrying, feeding, bending and discharging;

wherein, as shown in fig. 11-12, the cutting step comprises:

SQ1, the long metal tube 6 to be cut is stored and plugged along the metal tube cutting device 54 and the through hole A531, the end part of the long metal tube abuts against the bottom end of the fixed tube sleeve 521, and meanwhile, the bottom side surface is positioned right above the containing bracket 57 and the distance from the bottom side surface of the long metal tube to the upper surface of the arc-shaped support plate 572 is 0.5-1.5 cm;

SQ2, the pressure sensor E receives the pressure signal A, the controller controls the micro motor A462 on the metal tube clamping structure A522 to extend out, and clamps one end of the long metal tube 6 through the arc-shaped clamping block A463, and simultaneously the controller controls the metal tube cutting device 54 to start cutting the long metal tube 6;

SQ3, after the cutting, the controller controls the telescopic motor 511 to contract, so that when the second upright wall 52 moves towards the side close to the first upright wall 51 by the set distance a along the matching of the slide rail 50 and the slide groove a, the cut short metal tube 7 slides out from the through hole a531,

SQ4, controlling the micro motor a462 on the metal tube clamping structure a522 to retract by the controller, and controlling the telescopic motor 511 to continue to retract under the action of the self gravity of the short metal tube 7, so that the second vertical wall 52 moves towards the side close to the first vertical wall 51 by the set distance B along the matching of the slide rail 50 and the slide groove a when the one end of the short metal tube 7 falls onto the arc-shaped support plate 572 away from the two vertical walls 52 and the controller controls the telescopic motor 511 to continue to retract, and the short metal tube 7 falls onto the containing bracket 57 completely;

SQ5, after the controller controls the transmission motor to start to drive the conveyor belt 56 to rotate for a set angle, the containing bracket 57 which does not contain the short metal tube 7 moves to the cutting station of the long metal tube 6, and simultaneously controls the telescopic motor 511 to extend out to enable the second vertical wall 52 to move for a set distance C towards one side close to the third vertical wall 53 along the matching of the slide rail 50 and the chute a;

SQ6, repeating the above operations SQ1-SQ5 to complete cutting the long metal tube 6 into short metal tubes 7;

the distance C is equal to the sum of the distance a and the distance B.

As shown in fig. 9 and 22, the steps of carrying, feeding and bending include:

SB1, controlling the feeding device 200 to move along the circular track A400, moving the feeding device 200 without the short metal tube 7 to one side of the cutting system 500, and controlling the feeding device 200 to stop moving by the controller after detecting the signal of the feeding device 200 by the position sensor C;

SB2, the controller controls the rotating motor A42 to rotate, so that the electric telescopic rod A44 which is not clamped is rotated to a corresponding position, the distance of the extending end of the electric telescopic rod D551 is controlled until the pressure sensor F detects a pressure signal, and the controller controls the electric telescopic rod D551 to stop extending;

SB3, controlling the electric telescopic rod A44 to extend for a set distance L1 by the controller, inserting the short metal tube 7 into the sleeve 47 and the metal tube clamping structure B46, and controlling the micro motor A462 on the metal tube clamping structure B46 to extend and clamp the short metal tube 7 through the arc-shaped clamping block A463;

SB4, the controller controls the electric telescopic rod A44 to retract to a set distance L1, controls the rotating motor A42 to rotate to enable the other electric telescopic rod A44 which is not clamped to rotate to a corresponding position, and repeats the SB1-SB3 until a plurality of metal pipe transfer sleeves on the feeding rack 41 clamp the short metal pipes 7;

SB5, controlling the feeding device 200 in the SB4 to move to the bending system 100 along the annular track A400, and controlling the feeding device 200 to stop moving by the controller after a position sensor D at the bending system 100 detects a signal;

SB6, controlling the electric telescopic rod A44 to extend out of the set distance L2 at the moment, enabling the short metal tube 7 to pass through the through hole 144 and enabling the end part of the short metal tube to abut against the baffle 106, and detecting a pressure signal by the pressure sensor C105 at the moment;

SB7, controlling the micro motor A462 of the metal tube clamping structure B46 to retract and the arc-shaped clamping block A463 to be separated from the outer side surface of the short metal tube 7 by the controller, then controlling the electric telescopic rod A44 to retract for a set distance L2, and stopping the short metal tube 7 on the bent fixed end 14;

SB8, starting the bending motor 111, the bending motor 111 rotates to drive the bending driver to rotate, at the moment, the swing arm 161 rotates, and the short metal tube 7 is bent along the annular groove 141 through the bending head 19 or the bending end;

SB9, controlling the bending motor 111 to rotate by a corresponding radian according to the requirement, and bending the short metal tube 7 to form a bent tube 2, wherein the bent tube 2 is in one of a U shape, an L shape or a V shape;

SB10, taking out the bent pipe 2 formed by bending from the working platform 1.

In the SB9, the bending motor 111 is controlled to rotate to a corresponding radian, and specifically, the metal pipe is moved to a corresponding position in advance by matching the fixing screw a123 with the first arc-shaped fixing groove 125 and/or the second arc-shaped fixing groove 126 according to the requirement of the bending degree of the metal pipe, and is fixed by the fixing nut 124; when the bending motor 111 rotates, the bending motor 111 stops rotating after the pressure sensor B on the second stopper 122 detects a pressure signal; after the bent pipe 2 formed by bending is taken out of the working platform 1, the controller bending motor 111 rotates reversely until the bent pipe 19 or the bent end abuts against the first stop block 121, and the pressure sensor a detects a pressure signal, at this time, the controller bending motor 111 stops rotating.

Wherein, as shown in fig. 19, the discharging step comprises;

SX0 and the controller bending motor 111 reversely rotate until the bend 19 or the bending end abuts against the first stop block 121, and the pressure sensor A detects a pressure signal, at this time, the controller bending motor 111 stops rotating;

the SX1 and the controller control the telescopic rod 15 to extend out, the end part of the telescopic rod 15 abuts against one end of the bent pipe 2 to eject the bent pipe out of the through hole 144 and fall onto the working platform 1;

the SX2 and the controller control the first electric slide block 331 to move to a corresponding position above the working platform 1 along the annular track B30, control the second electric slide block 335 to move to a corresponding position along the linear track 334, then control the rotating motor B332 to rotate, and enable the length direction of the linear track 334 to be parallel to the length direction of the bent pipe 2 along the vertical direction according to the bending degree of the bent pipe;

SX3 and the controller control the electric telescopic rod C336 to extend downwards, and when the supporting foot 344 contacts the working platform 1, the pressure sensor D detects a pressure signal;

the SX4 and the controller control the micro motor B345 to extend out and two arc-shaped clamping blocks B346 to clamp and hold the elbow pipe 2 tightly, and then the controller control the electric telescopic rod C336 to retract upwards;

the SX5 controller controls the first electric slide block 331 to move along the circular track B30 to the position above the receiving station 300, and controls the micro motor B345 to retract at this time, so that the bent tube 2 falls from the grabbing assembly 34 to the receiving station 300.

The receiving station 300 is provided with a receiving frame.

To the above mentioned metal tube cutting device, chinese patent publication No. CN202079317U discloses a copper tube shearing apparatus, which comprises a shearing trolley, and is characterized in that a clasping mechanism is provided at the lower part of the shearing trolley, and a shearing mechanism is provided above the clasping mechanism, wherein: the holding mechanism comprises a holding oil cylinder, a left holding clamp and a right holding clamp, a guide device is arranged between the holding oil cylinder and the left holding clamp and a frame for the guide device to slide transversely is arranged on the shearing trolley; the shearing mechanism comprises a shear seat and scissors, a guide rail is arranged between the shear seat and the scissors trolley, and the upper part of the shear seat is connected with a shearing oil cylinder; the middle of the left holding clamp and the right holding clamp is arc-shaped, the two sides of the left holding clamp and the right holding clamp are V-shaped, and the opening ends of the clamps are provided with dislocation grooves.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. An automation-based metal tube bending device comprises a bending system (100), and is characterized in that: the bending system (100) comprises a working platform (1), a bending fixed end (14) is installed at the center of the upper surface of the working platform (1) in a matched mode, and the bottom side surface of the working platform (1) is connected with a supporting plate (11) through a fixed side plate (112);

the bending motor (111) is fixed on the supporting plate (11), a bending driver is fixed on an output shaft of the bending motor (111), the bending driver comprises a fixing portion (16) matched and connected with the output shaft of the bending motor (111), one side of the fixing portion (16) is connected with a swing arm (161), the other end of the swing arm (161) is fixed with a bending shaft rod (162), and the top end of the bending shaft rod (162) is connected with a bending head (19) or a bending end head.

2. The automatic metal pipe bending device according to claim 1, wherein the bending end comprises a connecting end (17) fixed to the top of the bending shaft rod (162), the connecting end (17) is of an I-shaped structure, and the connecting end (17) is provided with an extrusion structure (18) in a matching manner;

the extrusion structure (18) comprises an inner ring body (181) fixed on the connecting end (17), and the inner ring body (181) is connected with an outer sleeve ring (183) through a plurality of elastic pieces (182);

the outer sleeve ring (183) is made of rubber, and the thickness of the outer sleeve ring is 0.5 cm.

3. The automatic metal pipe bending device according to claim 1, wherein the bending head (19) comprises a U-shaped fixed seat (191) fixed at the top of the bending shaft rod (162), a fixed block (192) is installed in the U-shaped fixed seat (191) in a matching manner, two side walls of the U-shaped fixed seat (191) are respectively provided with a hinge hole, a hinge shaft (194) rotatably matched with the hinge hole is arranged on the fixed block (192), and one side of the fixed block (192) is provided with an arc-shaped channel (193).

4. The automatic metal pipe bending device according to claim 1, wherein the working platform (1) is provided with an arc-shaped notch (12) matched with the path of the bending shaft lever (162); a first stop block (121) is arranged on the working platform (1) at one end of the arc-shaped notch (12), and a second stop block (122) is arranged on the working platform (1) at the other end of the arc-shaped notch (12).

5. The automatic metal pipe bending device according to claim 4, wherein the work platform (1) on both sides of the arc-shaped notch (12) is further provided with a first arc-shaped fixing groove (125) and a second arc-shaped fixing groove (126), respectively.

6. The automated metal pipe bending apparatus according to claim 5, wherein the arcuate notch (12), the first arcuate securing groove (125) and the second arcuate securing groove (126) are concentrically arranged.

7. The automatic metal pipe bending device according to claim 4, 5 or 6, wherein the second stopper (122) is provided at both ends thereof with a fixing screw A (123) penetrating through the first arc-shaped fixing groove (125) and/or the second arc-shaped fixing groove (126), and the fixing screw A (123) is in threaded connection with a fixing nut (124).

8. The automated metal pipe bending apparatus according to claim 4, 5 or 6, wherein the first stopper (121) is provided with a pressure sensor A, and the second stopper (122) is provided with a pressure sensor B.

9. The automatic metal pipe bending device according to claim 4, 5 or 6, wherein the bending fixing end (14) comprises a circular bending plate (140), an annular channel (141) is arranged on the outer side of the circular bending plate (140), a fixing block (143) is arranged on one side of the circular bending plate (140), and a through hole (144) tangential to the annular channel (141) is formed in the fixing block (143); the round bending plate (140) and the fixing block (143) are combined to form a 'b' -shaped structure.

10. The automatic metal pipe bending device according to claim 9, wherein a hexagonal mounting hole (142) is formed in the circular bending plate (140), a hexagonal mounting column matched with the hexagonal mounting hole (142) is arranged at the center of the working platform (1), a threaded column (13) is arranged at the end of the hexagonal mounting column, and a fixing nut B (131) is connected to the end of the threaded column (13) in a threaded manner;

one side of work platform (1) is provided with a mount pad (15), install a telescopic link (15) on mount pad (15), the central axis of telescopic link (15) and the central axis collineation of perforating hole (144).

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