CN116037766A - Automatic production line for stamping, shearing and folding metal plates - Google Patents

Abstract

The invention discloses an automatic punching, shearing and bending sheet metal production line in the field of sheet metal machining, which comprises a punch feeding unit, a numerical control turret punch, a numerical control shearing center and a bending unit which are sequentially arranged from front to back, wherein the punch feeding unit is arranged corresponding to the numerical control turret punch, the numerical control turret punch is arranged corresponding to the numerical control shearing center, a feeding and discharging unit is arranged corresponding to the numerical control shearing center, the feeding and discharging unit is also arranged corresponding to the numerical control turret punch, a conveying positioning line is arranged corresponding to the discharging end of the numerical control shearing center, and the discharging end of the conveying positioning line is arranged corresponding to the bending unit. According to the invention, according to the processing technology of different metal plates, the processing from the material area to the stamping, shearing and bending of finished products can be carried out on the plates, and finally, the stacking is orderly, so that the processing efficiency is greatly improved on the premise of ensuring the processing precision.

Description

Automatic production line for stamping, shearing and folding metal plates

Technical Field

The invention belongs to the field of sheet metal machining, and particularly relates to an automatic production line for punching, shearing and folding sheet metal.

Background

In the prior art, in the processing and manufacturing process of sheet metal parts in the industries of new energy, elevator industry, bridge industry, door plate industry, high-low voltage switch cabinet and the like, a punch press, a numerical control shearing center and a bending machine are often needed. The existing sheet metal production process is mainly as follows: single machine production or single automation unit production. The single machine has low production efficiency, high labor intensity and time and labor consumption for sequencing. The single automation unit can only solve the problem of large labor intensity of single procedure manual work, and can not form full-automatic production. A great deal of manpower is still required to be expended on the problems of sequence conversion and secondary positioning processing. These mechanical devices and production processes have not met the high efficiency and high automation requirements of current sheet metal production.

Disclosure of Invention

The invention aims to provide an automatic production line for punching, shearing and bending metal plates, which can be used for carrying out the processing from the material area to punching, shearing and bending finished products on the plates according to the processing technology of different metal plates, and finally, the stacking is neat, so that the processing efficiency is greatly improved on the premise of ensuring the processing precision.

The purpose of the invention is realized in the following way: the utility model provides a punching shear rolls over panel beating automation line, includes punch press feeding unit, numerical control turret punch press, numerical control shear center and the unit of bending that arranges in proper order from front to back that sets up, punch press feeding unit corresponds numerical control turret punch press and cuts the center setting with numerical control shear center corresponds and is provided with the unloading unit, goes up the unloading unit and still sets up corresponding with numerical control turret punch press, with numerical control shear center's discharge end corresponds and is equipped with the transportation positioning line, and the discharge end of transportation positioning line corresponds the unit setting of bending.

Compared with the prior art, the invention has the beneficial effects that: firstly, the positioning device acts as: the plate primary positioning and magnetic separating mechanism is used for plates; the structure is composed of an adjustable positioning rod and a rotary magnetic tension divider, the positioning rod can be adjusted back and forth, the rotary tension divider can rotate and move up and down through a cantilever mechanism; the advantages are that: can rotate away from the magnetic plate material when the plate material is stacked, and the feeding accuracy is not affected. After the feeding is completed, the feeding device can be rotated for resetting, and magnetic separating operation is performed.

2. The inclined pushing device acts as follows: when feeding into a main machine, pushing the single plates which are not orderly stacked into a clamp jaw; the structure comprises an upper floating cylinder, a lower floating cylinder, a rotating shaft, a pushing cylinder, a limiting mechanism and a sucker; principle of action: through up-and-down motion participation or not participated in sucking the panel, after sucking the panel, when pushing materials and getting into the clamp, rotary mechanism and stop gear play a role, rotary mechanism self-adaptation different angles pushes materials, and stop gear is with direction and angle restriction in this within range, because the cylinder has certain flexibility and elasticity, can reliably push the panel edge into the clamp jaw after the motion.

3. The mechanical arm acts as follows: grabbing the plate and driving the plate to move, wherein a mechanical separating device and an inclined pushing device are attached; the structure comprises a sucker device, a mechanical sucker separating device and an inclined pushing device; principle of action: after the suction disc is vacuumized and used for sucking the plates, the mechanical separating device moves up and down through the air cylinder, the phenomenon that a plurality of plates possibly occur is shaken off, the mechanical arm moves to the clamping jaw of the punching machine, the inclined pushing device pushes down the suction disc, and the plates are pushed into the clamping jaw through pushing movement.

4. Production line and process: the punching machine for processing the metal plate is completely connected with the shearing machine through the automatic unit, so that the one-time automatic processing of the metal plate finished product can be realized, the processing composite precision is high, the rejection rate is reduced, the processing can be performed for twenty-four hours in an unmanned mode, the processing efficiency is high, the structure is compact, and the occupied area of the product switching and the semi-finished product material is reduced, so that the land area of a factory is saved.

The invention relates to a numerical control turret punch press, a numerical control shearing plate center and a bending unit, which are connected through automatic equipment to carry out full-automatic processing, punching, shearing, bending, forming and other processing on a metal plate; has wide application in the field of metal plate processing. The production line is mainly applied to sheet metal part processing in the industries of new energy, elevator industry, bridge industry, door plate industry, high-low voltage switch cabinet and the like, and comprehensively realizes high-end application groups of intelligent workshops for sheet metal processing.

As a further improvement of the invention, the feeding unit of the punching machine comprises a feeding positioning device, the feeding positioning device comprises a plurality of rectangular supporting seats which are arranged on the ground along the transverse direction, a plurality of L-shaped positioning rods are correspondingly arranged on the periphery of each supporting seat, the mounting plates at the lower ends of the positioning rods are fixedly connected to an L-shaped lower seat plate through at least two fasteners, and a plurality of waist-shaped grooves are formed on the lower seat plate corresponding to the fasteners; the lower seat board is provided with a rotary magnetic separating device corresponding to each supporting seat. The upper sides of the supporting seats form supporting surfaces, the plates are stacked and piled on the supporting seats, the positioning rods are used for physically positioning the plates, and the rotary magnetic separating device is used for controlling the magnetic force and is convenient for sucking the upper plates.

As a further improvement of the invention, a feeding manipulator is arranged corresponding to the feeding positioning device, the feeding manipulator comprises a vertical frame, a fixed beam is transversely arranged at the upper part of the frame, two transverse guide rails are arranged on the fixed beam in parallel, a movable seat is movably connected to the two guide rails through a sliding block, a transverse rack is also arranged on the fixed beam and positioned between the two guide rails, a lifting upright post is movably connected to the movable seat, an adsorption bracket is horizontally arranged at the lower end of the lifting upright post, a plurality of main suckers are arranged on the lower surface of the adsorption bracket, and a plurality of groups of vibration tension mechanisms and inclined pushing mechanisms are also arranged on the lower surface of the adsorption bracket. Two gear motors are arranged on the movable seat, a gear meshed with the transverse rack is arranged at the output end of one gear motor, a vertical rack is arranged on the side face of the lifting upright post, and a gear meshed with the vertical rack is arranged at the output end of the other gear motor; the feeding manipulator is driven by a servo motor to vertically and horizontally move, and the adsorption plate material is fed to the punch press.

For the convenience of installing each sucking disc, the absorption support includes the rectangle main support, and the downside of main support is provided with a plurality of branch longerons along horizontal interval distribution, and the left and right sides of main support all is provided with a plurality of L shape reinforcement angle bars of connecting corresponding branch longeron, and the downside of every branch longeron all is provided with a plurality of main sucking discs along longitudinal arrangement distribution.

In order to separate the plate materials and ensure that the feeding action is accurate when the punching machine is fed, at least two groups of vibration separating mechanisms are arranged on a separating beam close to the numerical control turret punching machine, each vibration separating mechanism is correspondingly arranged on a locating rod which is enclosed into an L shape, each vibration separating mechanism comprises a mounting plate fixed on the outer side of the separating beam, a vertical lifting rod penetrating through the mounting plate is movably connected to the mounting plate, a separating sucker is arranged at the lower end of the lifting rod, a first spring is sleeved on the periphery of the lifting rod, the upper end and the lower end of the first spring are respectively elastically abutted against sucker seats of the mounting plate and the separating sucker, a separating cylinder is vertically arranged at the lower side of the mounting plate, a piston rod of the separating cylinder upwards penetrates through the mounting plate and is connected with a transmission plate, and the other end of the transmission plate is connected with the upper end of the lifting rod; the upper part of the sucker seat of each main sucker is vertically provided with a connecting rod penetrating through the sub-longitudinal beam upwards, the connecting rod is movably connected with the sub-longitudinal beam, the upper end of the connecting rod is provided with a limiting seat contacted with the sub-longitudinal beam, the periphery of the connecting rod is sleeved with a spring II, and the upper end and the lower end of the spring II are respectively elastically abutted against the sub-longitudinal beam and the sucker seat of the main sucker; the oblique pushing mechanism is provided with at least three groups, each oblique pushing mechanism is arranged at one end, close to the numerical control turret punch press, of the left side of the main support, each oblique pushing mechanism corresponds to the numerical control turret punch press and is arranged, each group of oblique pushing mechanism is respectively located between two adjacent longitudinal sub-beams, each oblique pushing mechanism comprises a lateral group frame fixed on the main support, a vertical separation cylinder is mounted on the lateral group frame, a piston rod of the separation cylinder extends downwards and is provided with a mounting frame, an oblique pushing cylinder is mounted below the mounting frame, a cylinder body of the oblique pushing cylinder is rotatably connected with the mounting frame through a rotating shaft, an L-shaped limiting frame is arranged on the side face of the mounting frame corresponding to the oblique pushing cylinder, an oblique pushing sucker and a rotatable guide wheel are arranged at the end part of the piston rod of the oblique pushing cylinder, the guide wheel is located above the oblique pushing sucker, the guide wheel is kept in contact with the limiting part of the limiting frame, the oblique pushing cylinder is obliquely arranged, and when the sheet is sucked, the oblique pushing sucker, the main sucker and the oblique pushing sucker and the separation sucker are arranged in a coplanar mode. The inclined pushing sucker, the main sucker and the split sucker are all vacuum suckers; a plurality of suckers are arranged on the feeding manipulator, the main sucker adsorbs the plates, the separating cylinder drives the transmission plate to vibrate up and down, the lifting rod drives the separating sucker to move up and down, and the phenomenon of possibly taking a plurality of plates is shaken off; the limiting frame of the oblique pushing mechanism comprises a main frame and a sub frame, a waist-shaped groove is formed in the sub frame, a fastener penetrates through the waist-shaped groove to be connected with the main frame, the position of the sub frame relative to the main frame is adjustable, the oblique pushing sucker and the guide wheel are respectively arranged at the lower part and the upper part of a support at the end part of a piston rod of the oblique pushing cylinder, after a mechanical arm moves to a clamping jaw of a punching machine, a separating cylinder of the oblique pushing mechanism drives a mounting frame to descend and presses the oblique pushing sucker, a rotating shaft is adaptive to pushing materials at different angles, and the limiting mechanism limits the directions and angles in the range; and the double-material measuring mechanism is used for measuring the thickness of the plate through a mechanical structure provided with an encoder and comparing related values to determine whether to grasp a plurality of plates.

In order to punch the plate, the numerical control turret punch press comprises a punch body, a grabbing manipulator capable of grabbing the plate and moving transversely is arranged on the punch body, and the grabbing manipulator is positioned on the left side of the punch body and corresponds to a punch feeding unit.

In order to cut the plate into a required specified area, the numerical control cutting center comprises a cutting machine body, a plurality of feeding clamps capable of grasping the plate to move longitudinally are arranged on the cutting machine body at intervals along the transverse direction, a first gantry frame is arranged corresponding to the cutting machine body, a cutting tool is arranged on the first gantry frame, a plurality of transversely equally-spaced turnover frames are arranged on the cutting machine body corresponding to the first gantry frame, and a guiding slope is arranged at the tail end of the cutting machine body; the feeding and discharging unit comprises a gantry frame II corresponding to the shearing machine body, a mechanical arm capable of transversely moving is arranged on the gantry frame II, the mechanical arm is longitudinally arranged, at least two feeding and discharging clamps longitudinally distributed at intervals are arranged on the mechanical arm, each feeding and discharging clamp comprises a clamping cylinder, a lower clamping seat is arranged at the extending end of a piston rod of each clamping cylinder, and an upper clamping seat is arranged on a cylinder body of each clamping cylinder and corresponds to the corresponding lower clamping seat. The feeding and discharging unit sends punched plates to the shearing machine body, the feeding clamp drives the plates to move backwards, the shearing tool shears the plates, and the overturning frame overturns so that the sheared plates fall onto the conveying positioning line through the guiding slope.

In order to send the sheet material to the unit of bending, carry the setting of locating line transversely, carry the setting of locating line correspondence direction slope, carry the locating line to include two side mounts that correspond about, be equipped with the conveyer belt between two side mounts, be provided with a plurality of vertical locating levers along horizontal interval on the side mount outwards.

For automatic sheet material of bending and carry out finished product pile up neatly, the unit of bending is including bending the manipulator, and the manipulator of bending corresponds the discharge end setting of carrying the locating line, and the manipulator tip of bending is equipped with the sucking disc frame, and the sucking disc is put up to be covered with and is provided with a plurality of vacuum chuck, is equipped with locating bench, bender and turn-ups platform respectively corresponding with the manipulator of bending, and the locating bench slope sets up and the periphery of locating bench is equipped with the locating strip that encloses into the L shape, and the finished product of bending is put on the pile up neatly tray.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of a feeding unit of the punch press.

Fig. 3 is a schematic structural diagram of the feeding positioning device.

Fig. 4 is a schematic structural view of the adsorption bracket.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is an enlarged view at B in fig. 4.

Fig. 7 is a schematic structural view of the tilt pushing mechanism.

Fig. 8 is a schematic structural view of the tilt pushing mechanism.

Fig. 9 is a schematic structural diagram of a numerical control turret punch press.

Fig. 10 is a schematic structural diagram of the loading and unloading unit.

Fig. 11 is a schematic structural view of the loading and unloading clamp.

FIG. 12 is a schematic structural view of a numerically controlled shear center.

Fig. 13 is a schematic view of a structure of a conveyance positioning line.

Fig. 14 is a schematic structural view of the bending unit.

The device comprises a support seat 1, a positioning rod 2, a lower seat plate 3, a waist-shaped groove 4, a rotary magnetic separating device 5, a feeding manipulator 6, a vertical frame 6a, a fixed beam 6b, a guide rail 7, a transverse rack 8, a moving seat 9, a lifting column 10, an adsorption support 11, a main support 11a, a side-by-side longitudinal beam 11, a main suction cup 12, a reinforcing angle iron 13, a mounting plate 14, a lifting rod 15, a separating suction cup 16, a suction cup seat 16, a spring I17, a separating cylinder 18, a transmission plate 19, a connecting rod 20, a limiting seat 20a, a spring II, a side-by-side base frame 22, a separating cylinder 23, a mounting bracket 24, a push cylinder 25, a rotating shaft 26, a limiting frame 27, a limiting part 27a guide wheel 28, a push suction cup 29, a lathe bed 30, a grabbing manipulator 31, a shearing machine body 32, a feeding clamp 33, a first gantry frame 34, a turnover frame 35, a guide slope 36, a second gantry frame 37, a mechanical arm 38, an upper clamping cylinder 39a lower clamping cylinder, a 39b clamping seat 39c, an upper clamping seat 40, a conveying positioning line 40b, a conveying table 40a, a supporting frame 43a, a clamping frame 43, a bending machine frame 43 and a bending machine, a bending machine support frame 43 and a bending machine.

Description of the embodiments

As shown in fig. 1-14, the automatic production line for punching, shearing and bending metal plates comprises a punch feeding unit, a numerical control turret punch, a numerical control shearing center and a bending unit which are sequentially arranged from front to back, wherein the punch feeding unit is arranged corresponding to the numerical control turret punch, the numerical control turret punch is arranged corresponding to the numerical control shearing center, an upper discharging unit and a lower discharging unit are arranged corresponding to the numerical control turret punch, a conveying positioning line 40 is arranged corresponding to the discharging end of the numerical control shearing center, and the discharging end of the conveying positioning line 40 is arranged corresponding to the bending unit.

The feeding unit of the punching machine comprises a feeding positioning device, wherein the feeding positioning device comprises a plurality of rectangular supporting seats 1 which are arranged on the ground along the transverse direction, a plurality of L-shaped positioning rods 2 are correspondingly arranged on the periphery of each supporting seat 1, a mounting plate 14 at the lower end of each positioning rod 2 is fixedly connected to an L-shaped lower seat plate 3 through at least two fasteners, and a plurality of waist-shaped grooves 4 are formed in the lower seat plate 3 corresponding to each fastener; the lower seat plate 3 is provided with a rotary magnetic separating device 5 corresponding to each supporting seat 1. The upper sides of the supporting seats 1 form supporting surfaces, the plates 47 are stacked and piled on the supporting seats 1, the positioning rods 2 are used for physically positioning the plates 47, and the rotary magnetic separating device is used for controlling the magnetic force and is convenient for sucking the upper plates 47 by the sucking disc. Corresponding material loading positioner is equipped with material loading manipulator 6, material loading manipulator 6 includes vertical frame 6a, frame upper portion transversely is provided with fixed beam 6b, parallel arrangement has two transverse guide 7 on the fixed beam 6b, it moves seat 9 to have through slider swing joint on two guide rails 7, it still is equipped with transverse rack 8 to be located between two guide rails 7 on the fixed beam 6b, it has lift stand 10 to move movable connection on the seat 9, lift stand 10 lower extreme level is equipped with adsorption bracket 11, adsorption bracket 11 lower surface is provided with a plurality of main sucking discs 12, adsorption bracket 11 lower surface still is equipped with a plurality of vibration tension division mechanism of group and pushes away the mechanism to one side. Two gear motors are arranged on the movable seat 9, a gear meshed with the transverse rack 8 is arranged at the output end of one gear motor, a vertical rack is arranged on the side face of the lifting upright post 10, and a gear meshed with the vertical rack is arranged at the output end of the other gear motor; the feeding manipulator 6 is driven by a servo motor to perform vertical and horizontal movements, and the adsorption plate 47 is used for feeding the punch. In order to facilitate the installation of the suckers, the suction bracket 11 comprises a rectangular main bracket 11a, a plurality of sub-longitudinal beams 11b which are distributed at intervals transversely are arranged on the lower side of the main bracket 11a, a plurality of L-shaped reinforcing angle irons 13 which are connected with the corresponding sub-longitudinal beams 11b are arranged on the left side and the right side of the main bracket 11a, and a plurality of main suckers 12 which are distributed along the longitudinal arrangement are arranged on the lower side of each sub-longitudinal beam 11 b.

In order to separate the plate 47 and ensure accurate feeding action during feeding of the punching machine, at least two groups of vibration separating mechanisms are arranged on a separating beam 11b close to the numerical control turret punching machine, each vibration separating mechanism is correspondingly arranged on a positioning rod 2 which is enclosed into an L shape, each vibration separating mechanism comprises a mounting plate 14 fixed on the outer side of the separating beam 11b, a vertical lifting rod 15 penetrating through the mounting plate 14 is movably connected on the mounting plate 14, a separating sucker 16 is arranged at the lower end of the lifting rod 15, a first spring 17 is sleeved on the periphery of the lifting rod 15, the upper end and the lower end of the first spring 17 are respectively elastically abutted against sucker seats 16a of the mounting plate 14 and the separating sucker 16, a separating cylinder 18 is vertically arranged at the lower side of the mounting plate 14, a piston rod of the separating cylinder 18 upwards penetrates through the mounting plate 14 and is connected with a transmission plate 19, and the other end of the transmission plate 19 is connected with the upper end of the lifting rod 15; the upper part of the sucker seat 16a of each main sucker 12 is vertically provided with a connecting rod 20 penetrating through the sub-longitudinal beam 11b upwards, the connecting rod 20 is movably connected with the sub-longitudinal beam 11b, the upper end of the connecting rod 20 is provided with a limiting seat 20a contacted with the sub-longitudinal beam 11b, the periphery of the connecting rod 20 is sleeved with a spring II 21, and the upper end and the lower end of the spring II 21 are respectively elastically abutted against the sub-longitudinal beam 11b and the sucker seat 16a of the main sucker 12; the oblique pushing mechanisms are arranged at least three groups, each oblique pushing mechanism is arranged at one end, close to the numerical turret punch press, of the left side of the main support 11a and corresponds to the numerical turret punch press, each oblique pushing mechanism is arranged between two adjacent corresponding longitudinal beams 11b, each oblique pushing mechanism comprises a lateral support 22 fixed on the main support 11a, a vertical separation cylinder 23 is arranged on the lateral support 22, a piston rod of the separation cylinder 23 extends downwards and is provided with a mounting frame 24, an oblique pushing cylinder 25 is arranged below the mounting frame 24, a cylinder body of the oblique pushing cylinder 25 is rotatably connected with the mounting frame 24 through a rotating shaft 26, an L-shaped limiting frame 27 is arranged on the side face of the mounting frame 24 corresponding to the oblique pushing cylinder 25, an oblique pushing sucker 29 and a rotatable guide wheel 28 are arranged at the end of the piston rod of the oblique pushing cylinder 25, the guide wheel 28 is positioned above the oblique pushing sucker 29, the guide wheel 28 is kept in contact with a limiting part 27a of the limiting frame 27, and the oblique pushing cylinder 25 is obliquely arranged, and when a plate 47 is sucked, the oblique pushing sucker 29, the main sucker 12 and the separating sucker 16 are arranged in a coplanar mode. The inclined pushing sucker 29, the main sucker 12 and the separating sucker 16 are all vacuum suckers; a plurality of suckers are arranged on the feeding manipulator 6, the main sucker 12 adsorbs the plate 47, the separating cylinder 18 drives the transmission plate 19 to vibrate up and down, the lifting rod 15 drives the separating sucker 16 to move up and down, and the phenomenon of possibly shaking off the plate with a plurality of plates is avoided; the limiting frame 27 of the oblique pushing mechanism comprises a main frame and a sub-frame, the sub-frame is provided with a waist-shaped groove 4, a fastener passes through the waist-shaped groove 4 and is connected with the main frame, the position of the sub-frame relative to the main frame is adjustable, the oblique pushing sucker 29 and the guide wheel 28 are respectively arranged at the lower part and the upper part of a support seat at the end part of a piston rod of the oblique pushing cylinder 25, after a mechanical arm moves to a clamping jaw of a punching machine, the separating cylinder 23 of the oblique pushing mechanism drives the mounting frame 24 to descend, the oblique pushing sucker 29 is pressed down, the rotating shaft 26 is self-adaptively pushed at different angles, the limiting mechanism limits the direction and the angle in the range, and the edge of a sheet material 47 can be reliably pushed into the clamping jaw after the movement, and the sheet material is pushed into the clamping jaw of the punching machine through the pushing movement; and the double-material measuring mechanism is used for measuring the thickness of the plate through a mechanical structure provided with an encoder and comparing related values to determine whether to grasp a plurality of plates.

In order to punch the plate 47, the numerical control turret punch press comprises a punch body 30, a grabbing manipulator 31 capable of grabbing the plate 47 and moving transversely is arranged on the punch body 30, and the grabbing manipulator 31 is located on the left side of the punch body 30 and corresponds to a punch feeding unit.

In order to cut the plate 47 into a required specified area, the numerical control cutting center comprises a cutting machine body 32, a plurality of feeding clamps 33 capable of grasping the longitudinal movement of the plate 47 are arranged on the cutting machine body 32 at intervals along the transverse direction, a first gantry frame 34 is arranged corresponding to the cutting machine body 32, a cutting tool is arranged on the first gantry frame 34, a plurality of transversely equally-spaced turnover frames 35 are arranged on the cutting machine body 32 corresponding to the first gantry frame 34, and a guiding slope 36 is arranged at the tail end of the cutting machine body 32; the feeding and discharging unit comprises a second gantry frame 37 corresponding to the shearing machine body 32, a mechanical arm 38 capable of transversely moving is arranged on the second gantry frame 37, the mechanical arm 38 is longitudinally arranged, at least two feeding and discharging clamps 39 are longitudinally arranged on the mechanical arm 38 at intervals, each feeding and discharging clamp 39 comprises a clamping cylinder 39a, a lower clamping seat 39b is arranged at the extending end of a piston rod of each clamping cylinder 39a, and an upper clamping seat 39c is arranged on a cylinder body of each clamping cylinder 39a corresponding to the corresponding lower clamping seat 39 b. The feeding and discharging unit sends punched plates 47 to the shearing machine body 32, the feeding clamp 33 drives the plates 47 to move backwards, the shearing tool shears the plates 47, and the roll-over stand 35 is turned over so that the sheared plates 47 fall onto the conveying and positioning line 40 through the guide slope 36.

In order to convey the sheet 47 to the bending unit, the conveying and positioning line 40 is transversely arranged, the conveying and positioning line 40 is arranged corresponding to the guiding slope 36, the conveying and positioning line 40 comprises two left and right corresponding side fixing frames 40a, a conveying belt 40b is arranged between the two side fixing frames 40a, and a plurality of vertical positioning rods 2 are arranged on the outward side fixing frames 40a along the transverse interval.

In order to automatically bend the plate 47 and stack the finished products, the bending unit comprises a bending machine 44 manipulator 41, the bending machine 44 manipulator 41 is arranged corresponding to the discharge end of the conveying positioning line 40, a sucker frame 42 is arranged at the end part of the bending machine 44 manipulator 41, a plurality of vacuum suckers are fully distributed on the sucker frame 42, a positioning table 43, a bending machine 44 and a flanging table 45 are respectively arranged corresponding to the bending machine 44 manipulator 41, the positioning table 43 is obliquely arranged, positioning strips 43a which are formed in an L shape in a surrounding mode are arranged on the periphery of the positioning table 43, and the finished products after bending are placed on a stacking tray 46.

The invention relates to an automatic production line for punching, shearing and folding metal plates, which mainly comprises the following steps: and the punching machine feeding unit, the numerical control turret punching machine, the punching and shearing feeding and discharging unit, the numerical control shearing center, the conveying positioning line 40 and the bending unit are all of the six parts. The whole working flow is as follows: the method comprises the steps of feeding plate raw materials to a feeding positioning device of a punch feeding unit by a workshop crane or forklift, enabling a feeding manipulator 6 to act as a sucker, taking materials from a raw material table, carrying out magnetic separation and thickness measurement, feeding the materials into a numerical control turret punch press by an inclined pushing device, clamping the plates by a numerical control turret punch press clamp, punching or forming the plates, feeding the plates to the blanking side of a workbench after the numerical control turret punch press is processed, punching and shearing the feeding unit clamp to clamp the plates, dragging the plates into a numerical control shearing center beam, cutting the plates into plates with specified sizes by a numerical control shearing center according to actual requirements, carrying out blanking to a conveying positioning line 40 after the plates are conveyed to a material position on a bending unit after the plates are initially positioned, grabbing the plates by a sucker, feeding the plates into a bending unit robot to bend the plates 44 after the plates are positioned, and piling the formed plates orderly by a sucker gripper. The process flow ends.

The punching machine feeding unit is mainly used for feeding a plate 47 on a numerical control turret punching machine, and comprises a feeding positioning device, a traveling frame moving mechanism, a feeding manipulator 6 (comprising an inclined pushing mechanism and a separating mechanism) and a double-material measuring mechanism, wherein the feeding positioning device is used for positioning raw materials and comprises a rotary magnetic separating device, the traveling frame mechanism is mainly driven by a servo motor to do vertical and horizontal movement, a material grabbing sucker and a power sucker are arranged on the feeding manipulator 6, the plate 47 is mainly sucked and the separating movement is mainly carried out, the double-material measuring mechanism is used for measuring the thickness of the plate through a mechanical structure provided with an encoder and comparing related values to confirm whether to grab a plurality of plates.

The numerical control turret punch press is mainly used for processing such as plate punching and forming, and is provided with a clamp clamping judging device and a clamp pressing device for adapting to the requirements of the production line, so that the plates of a punch press feeding unit can be successfully clamped and a feeding success signal is given.

The punching shear feeding and discharging unit is mainly used for feeding a numerical control turret punch press and feeding a numerical control shearing center and comprises a carriage moving device and a clamp. The carriage moving device and the clamp through the plate, and the clamp jaw is provided with an anti-falling switch, so that the plate processed on the numerical control turret punch press is dragged into the numerical control shearing center and is fed into the clamp jaw.

The numerical control shearing center consists of a front feeding mechanism, a numerical control shearing machine and a rear blocking conveying mechanism. The front feeding mechanism drives the clamp through the beam to carry out feeding operation and sends the clamp into the shearing machine for processing. The back baffle conveying mechanism can convey the sheared plates to the next working procedure through belt movement and is provided with a waste separating mechanism to separate and store the finished plates and the waste plates.

The conveying and positioning line 40 is provided with a positioning device and a power conveying line, and when the plates slide down, the positioning device performs preliminary positioning on the plates, so that a stack of plates can be stacked in order preliminarily. After the blanking of a pile of plates is finished, the conveying line conveys the plates to a bending process.

The bending center is provided with a robot, a bending gripper, a positioning table 43, a bending machine 44 and a flanging frame. The robot grabs the plate on the conveying line, then places the plate in the locating table 43 for locating, grabs the workpiece for bending, uses the flanging frame according to different bending directions, and stacks the plate to a finished tray after bending and forming.

Taking a bridge frame product as an example, the bridge frame product is fed into a numerical control turret punch through a feeding unit, a wire arranging hole and a connecting hole are punched, the punched bridge frame product is transferred into a shearing center through a punching and shearing feeding unit, shearing is performed to obtain a bridge frame semi-finished product, the bridge frame semi-finished product is initially fixed through a positioning conveying line and then is conveyed to a bending center, a robot grabs a plate for secondary positioning and bending operation, and the bridge frame semi-finished product is orderly stacked, and finally the bridge frame is formed. No manual operation is performed in the middle, all the sequence positioning and processing are automatically completed, the product quality is stable, the production efficiency is greatly improved, and manual assistance is not needed.

The invention is not limited to the above embodiments, and based on the technical solution disclosed in the invention, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the invention.

Claims (9)

1. The utility model provides a punching shear rolls over panel beating automation line, its characterized in that, includes punch press feeding unit, numerical control turret punch press, numerical control shear center and the unit of bending that arranges in proper order from front to back, punch press feeding unit corresponds the setting of numerical control turret punch press with numerical control turret punch press, numerical control turret punch press corresponds numerical control shear center setting, with numerical control shear center corresponds to be provided with the unloading unit, goes up the unloading unit and still corresponds the setting with numerical control turret punch press, with the discharge end correspondence of numerical control shear center is equipped with the transportation positioning line, and the discharge end of transportation positioning line corresponds the unit setting of bending.

2. The automatic stamping, shearing and bending sheet metal production line according to claim 1, wherein the punch press feeding unit comprises a feeding positioning device, the feeding positioning device comprises a plurality of rectangular supporting seats which are arranged on the ground along the transverse direction, a plurality of positioning rods which are enclosed into an L shape are correspondingly arranged on the periphery of each supporting seat, a mounting plate at the lower end of each positioning rod is fixedly connected to an L-shaped lower seat plate through at least two fastening pieces, and a plurality of waist-shaped grooves are formed on the lower seat plate corresponding to each fastening piece; the lower seat board is provided with a rotary magnetic separating device corresponding to each supporting seat.

3. The automatic stamping, shearing and bending sheet metal production line according to claim 2, wherein a feeding manipulator is arranged corresponding to the feeding positioning device, the feeding manipulator comprises a vertical frame, a fixed beam is transversely arranged on the upper portion of the frame, two transverse guide rails are arranged on the fixed beam in parallel, a movable seat is movably connected to the two guide rails through a sliding block, a transverse rack is further arranged between the two guide rails on the fixed beam, a lifting upright post is movably connected to the movable seat, an adsorption bracket is horizontally arranged at the lower end of the lifting upright post, a plurality of main suckers are arranged on the lower surface of the adsorption bracket, and a plurality of vibration splitting mechanisms and inclined pushing mechanisms are further arranged on the lower surface of the adsorption bracket.

4. The automatic stamping, shearing and bending sheet metal production line according to claim 3, wherein the adsorption support comprises a rectangular main support, a plurality of sub-longitudinal beams distributed at intervals transversely are arranged on the lower side of the main support, a plurality of L-shaped reinforcing angle irons connected with the corresponding sub-longitudinal beams are arranged on the left side and the right side of the main support, and a plurality of main suckers distributed along the longitudinal arrangement are arranged on the lower side of each sub-longitudinal beam.

5. The automatic stamping, shearing and bending sheet metal production line is characterized in that at least two groups of vibration splitting mechanisms are arranged on a splitting beam close to the numerical control turret punch press, each vibration splitting mechanism is correspondingly arranged on a positioning rod which surrounds the corresponding splitting beam into an L shape, each vibration splitting mechanism comprises a mounting plate fixed on the outer side of the splitting beam, a vertical lifting rod penetrating through the mounting plate is movably connected to the mounting plate, a splitting sucker is arranged at the lower end of the lifting rod, a first spring is sleeved on the periphery of the lifting rod, the upper end and the lower end of the first spring are respectively elastically abutted against sucker bases of the mounting plate and the splitting sucker, a splitting cylinder is vertically arranged at the lower side of the mounting plate, a piston rod of the splitting cylinder upwards penetrates through the mounting plate and is connected with a transmission plate, and the other end of the transmission plate is connected with the upper end of the lifting rod; the upper part of the sucker seat of each main sucker is vertically provided with a connecting rod penetrating through the sub-longitudinal beam upwards, the connecting rod is movably connected with the sub-longitudinal beam, the upper end of the connecting rod is provided with a limiting seat contacted with the sub-longitudinal beam, the periphery of the connecting rod is sleeved with a spring II, and the upper end and the lower end of the spring II are respectively elastically abutted against the sub-longitudinal beam and the sucker seat of the main sucker; the oblique pushing mechanism is provided with at least three groups, each oblique pushing mechanism is arranged at one end, close to the numerical control turret punch press, of the left side of the main support, each oblique pushing mechanism corresponds to the numerical control turret punch press and is arranged, each group of oblique pushing mechanism is respectively located between two adjacent longitudinal sub-beams, each oblique pushing mechanism comprises a lateral group frame fixed on the main support, a vertical separation cylinder is mounted on the lateral group frame, a piston rod of the separation cylinder extends downwards and is provided with a mounting frame, an oblique pushing cylinder is mounted below the mounting frame, a cylinder body of the oblique pushing cylinder is rotatably connected with the mounting frame through a rotating shaft, an L-shaped limiting frame is arranged on the side face of the mounting frame corresponding to the oblique pushing cylinder, an oblique pushing sucker and a rotatable guide wheel are arranged at the end part of the piston rod of the oblique pushing cylinder, the guide wheel is located above the oblique pushing sucker, the guide wheel is kept in contact with the limiting part of the limiting frame, the oblique pushing cylinder is obliquely arranged, and when the sheet is sucked, the oblique pushing sucker, the main sucker and the oblique pushing sucker and the separation sucker are arranged in a coplanar mode.

6. The automated sheet metal stamping and shearing production line according to any one of claims 1 to 5, wherein the numerical control turret punch press comprises a punch body, a grabbing manipulator capable of grabbing a sheet metal to move transversely is arranged on the punch body, and the grabbing manipulator is located on the left side of the punch body and corresponds to a punch feeding unit.

7. The automatic stamping, shearing and bending sheet metal production line according to any one of claims 1 to 5, wherein the numerical control shearing center comprises a shearing machine body, a plurality of feeding clamps capable of grasping a sheet metal to move longitudinally are arranged on the shearing machine body at intervals along the transverse direction, a gantry frame I is arranged corresponding to the shearing machine body, a shearing tool is arranged on the gantry frame I, a plurality of transversely equally-spaced turnover frames are arranged on the shearing machine body corresponding to the gantry frame I, and a guiding slope is arranged at the tail end of the shearing machine body; the feeding and discharging unit comprises a gantry frame II corresponding to the shearing machine body, a mechanical arm capable of transversely moving is arranged on the gantry frame II, the mechanical arm is longitudinally arranged, at least two feeding and discharging clamps longitudinally distributed at intervals are arranged on the mechanical arm, each feeding and discharging clamp comprises a clamping cylinder, a lower clamping seat is arranged at the extending end of a piston rod of each clamping cylinder, and an upper clamping seat is arranged on a cylinder body of each clamping cylinder and corresponds to the corresponding lower clamping seat.

8. The automatic stamping, shearing and bending sheet metal production line according to claim 7, wherein the conveying positioning lines are transversely arranged, the conveying positioning lines are arranged corresponding to the guide slopes, the conveying positioning lines comprise two left and right corresponding side fixing frames, a conveying belt is arranged between the two side fixing frames, and a plurality of vertical positioning rods are arranged on the outward side fixing frames at intervals along the transverse direction.

9. The automatic stamping, shearing and bending sheet metal production line according to claim 8, wherein the bending unit comprises a bending manipulator, the bending manipulator is arranged corresponding to a discharge end of the conveying and positioning line, a sucker frame is arranged at the end of the bending manipulator, a plurality of vacuum suckers are distributed on the sucker frame, a positioning table, a bending machine and a flanging table are respectively arranged corresponding to the bending manipulator, the positioning table is obliquely arranged, positioning strips which are formed in an L shape in a surrounding mode are arranged on the periphery of the positioning table, and finished products after bending are placed on a stacking tray.

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