CN113400019A - Automatic punching and shearing production line - Google Patents

Abstract

The invention discloses an automatic punching and shearing production line which comprises a forward material bundling device, wherein the forward material bundling device is used for realizing the independent and continuous transmission of steel pipes and comprises a material lifting assembly, a material distributing assembly and a material feeding assembly which are sequentially arranged; the shearing assembly comprises a punching and shearing feeding device, a punching and shearing machine and a punching and shearing discharging device; the polishing detection code printing assembly is arranged behind the shearing assembly and comprises a polishing detection code printing support, an angle polishing device, a notch detection assembly, a length detection assembly, a code printing assembly, a clamping conveying assembly and a chain plate conveying device, wherein the polishing assembly, the notch detection assembly, the length detection assembly and the code printing assembly are sequentially arranged on the polishing detection code printing support; and the finished product assembly is used for collecting the punched and sheared workpieces. The invention provides an automatic punching and shearing production line, which avoids manual feeding, has high punching and shearing quality and realizes grinding of a cutting angle.

Description

Automatic punching and shearing production line

Technical Field

The invention relates to the technical field of steel pipe punching and shearing production lines, in particular to an automatic punching and shearing production line.

Background

When the steel pipe components are assembled and welded, firstly, steel pipes with different length and size are needed, in addition, the cutting surface quality of the steel pipes needs to be ensured at the intersection of the steel pipes, when the cutting surface quality is poor, the problems of large and uneven weld seam and the like can be formed, the weld seam quality is seriously influenced, the traditional method for punching, shearing and cutting most materials for steel pipes by flame cutting and blanking is adopted for manufacturing, but the method has low precision and poor steel pipe cutting surface quality. In addition, when punching and shearing a large number of steel pipes, a complete production line is generally needed to realize the punching, shearing, polishing and other processes, so that the cutting quality is also ensured while the working efficiency is ensured. In addition, during steel pipe transportation, a plurality of steel pipes are generally transported in a bundled mode, and during steel pipe cutting, for some steel pipes with high precision requirements, single steel pipes are generally cut in sequence, so that the bundled steel pipes need to be separated into a plurality of single steel pipes manually and then placed in a production line, larger gaps may exist between the adjacent steel pipes, and the efficiency is low.

At present, some punching and shearing production lines are also available in the market, for example, the "copper busbar automatic production line with embossing and corner cutting punching and shearing machine" disclosed in the chinese patent document has a publication number CN 108907746 a, which includes a conveying line, the conveying line penetrates through a punching and shearing station of the punching and shearing machine and is butted with one end of a coding conveying line, a coding mechanism is installed on the coding conveying line, one side of the coding mechanism is provided with a buffer table, one end of the coding conveying line, which is far away from the conveying line, is butted with one end of a code scanning conveying line, the other end of the code scanning conveying line passes through a working area of a double-end fillet milling mechanism and is connected with a blanking sorting mechanism, the device integrates the punching and shearing mechanism, the coding mechanism, the code scanning mechanism and the fillet milling process on one production line, so that the integral forming of the copper busbar production is realized, manual sorting and transferring are not needed, and the production efficiency of the copper busbar is improved, however, when the bundled steel pipes are separated into a plurality of single steel pipes and then placed in a production line, large gaps may exist between adjacent steel pipes, and the efficiency is low.

Disclosure of Invention

The invention aims to solve the problems that the punching and shearing efficiency is low when a large number of steel pipes are punched and sheared in the prior art, provides an automatic punching and shearing production line, avoids manual feeding, has high punching and shearing quality, and realizes grinding of a cutting angle.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic punching and shearing production line comprises a forward binding device, wherein the forward binding device is used for realizing the independent and continuous conveying of steel pipes and comprises a material lifting assembly, a material distributing assembly and a material feeding assembly which are sequentially arranged; the shearing assembly is used for punching and shearing a workpiece and comprises a punching and shearing feeding device, a punching and shearing machine and a punching and shearing discharging device, and the workpiece is conveyed into the punching and shearing feeding assembly from the feeding assembly; the polishing detection coding assembly is arranged behind the shearing assembly and comprises a polishing detection coding support for supporting, an angle polishing device for polishing the front end and the rear end of a workpiece, a notch detection assembly for detecting notches at the two ends of the workpiece, a length detection assembly for detecting the length of the workpiece, a coding assembly for coding the workpiece, a clamping conveying assembly for conveying the workpiece in the polishing detection coding assembly and a chain plate conveying device for outputting the workpiece, wherein the polishing assembly, the notch detection assembly, the length detection assembly and the coding assembly are sequentially arranged on the polishing detection coding support; and the finished product assembly is used for collecting the punched and sheared workpieces. In this technical scheme, the forward is tied up the single continuous conveying of material device realized the work piece of bundle dress, the transmission is continuous incessant, high efficiency, manual feeding has been avoided, the punching shear subassembly is cuted the work piece through the punching shear machine, the rethread punching shear material device transports to the detection of polishing and beats the sign indicating number final assembly, the detection of polishing beats the sign indicating number final assembly and polishes the work piece in proper order, the incision detects, length detects, beat the sign indicating number detection, the qualified work piece of check-up is accomodate the output again from the finished product subassembly, and when the punching shear machine has certain angle to the tangent plane that the work piece was punched out, the angle that angle grinding device rotated the removal, polish the incision angle, this production line is all applicable to no matter the work piece of pipe or square pipe in addition, the commonality is high.

Preferably, the material lifting assembly comprises a plurality of lifting bars arranged in parallel and a lifting driving assembly for driving one end of each lifting bar to lift, and each lifting bar comprises a lifting end and a rotating end; the material distribution assembly comprises a material distribution block and a material distribution control assembly for controlling the material distribution block to lift, and the material distribution block is arranged close to the rotating end of the lifting lever; the feeding assembly comprises a transverse feeding assembly and a longitudinal feeding assembly, wherein the transverse feeding assembly comprises a conveying chain for conveying workpieces transversely, a lifting material blocking assembly for flatly laying a plurality of workpieces on the conveying chain and a material supporting assembly for conveying the single workpiece to the longitudinal feeding assembly.

The lifting end of the lifting lever is lifted by the lifting driving assembly, the workpiece is close to the rotating end, the workpiece at the rotating end is moved to the transverse feeding assembly due to the arrangement of the distributing block, the steel pipe is flatly laid on the workpiece due to the lifting material blocking assembly in the transverse feeding assembly, and the single tiled workpiece is transmitted to the longitudinal feeding assembly by the material supporting assembly.

Preferably, the shearing and feeding device comprises a feeding frame, a plurality of feeding rollers arranged on the feeding frame and a feeding clamp arranged on the feeding frame, wherein a linear guide rail is arranged on the feeding frame, the feeding clamp is arranged on the linear guide rail in a sliding manner, and the feeding clamp comprises a left jaw and a right jaw which are arranged above the feeding rollers and used for clamping a workpiece; shearing discharging device includes the ejection of compact gyro wheel of play work or material rest, setting on the play work or material rest and is used for polishing the ejection of compact anchor clamps that detect the total assembly of beating sign indicating number, and ejection of compact anchor clamps lifts up device and ejection of compact auxiliary fixture including the ejection of compact. The feeding frame is used for supporting, and the work piece in the last process is transported to the shearing assembly simultaneously, and the feeding anchor clamps are used for moving the work piece, guarantee the shearing position of work piece, and ejection of compact anchor clamps and the tight conveying subassembly cooperation of the clamp in the detection of polishing beating sign indicating number assembly are convenient for remove the work piece from the punching shear subassembly to the detection of polishing beating in the sign indicating number assembly.

Preferably, a correcting device for assisting in clamping and positioning the workpiece feeding upper clamping frame and adjusting the position of the workpiece is arranged behind the feeding clamp, the correcting device comprises a correcting hinged support, correcting connecting rods and correcting rods, the correcting connecting rods and the correcting rods are arranged in pairs, and the bottoms of the paired correcting connecting rods are rotatably connected to the correcting hinged support to form a V-shaped structure. The feeding clamp and the correcting device clamp the workpiece and enable the notch position of the workpiece to be accurate, and machining precision of the workpiece is improved.

Preferably, a preheating device is further arranged between the punching and shearing feeding device and the punching and shearing machine, the preheating device comprises a preheating coil and a heating control platform, and the preheating coil is sleeved outside the workpiece. The workpiece is preheated by the preheating coil before punching and shearing, so that the punching and shearing quality and the punching and shearing efficiency are improved.

Preferably, the clamping and conveying device comprises a polishing clamping and conveying device, a transfer clamping device and a detection clamping and conveying device, the polishing clamping and conveying device comprises an angle polishing support, polishing clamping driving pincers, a polishing clamping cylinder and a polishing clamping motor, the polishing clamping driving pincers are arranged in pairs and are arranged on the angle polishing support in a sliding mode, a sliding rail, a gear and a rack are arranged on one side face, connected with the polishing clamping driving pincers, of the angle polishing support, and the rack is arranged in pairs and parallel to the sliding rail; the middle clamping device comprises a transfer clamping support, transfer clamping pincers and a transfer clamping driving cylinder, wherein the transfer clamping pincers are arranged in pairs, and the transfer clamping support is fixed on the polishing detection code printing support. The setting of beating sign indicating number clamping conveyor subassembly is convenient for move the work piece to beating the sign indicating number and detecting and beating the sign indicating number support from shearing the subassembly, polishes the work piece incision through angle grinding device, and transfer clamping device's setting plays the transition effect, is convenient for press from both sides the transition with the work piece by the tight conveyor of the clamp of polishing to press from both sides tight conveyor subassembly by detecting and press from both sides, detects and press from both sides tight conveyor and be convenient for with the work piece at incision detection station, length detection station and polish and detect the station and remove.

As preferred, preceding angle grinding device is including polishing the angle fixing base, preceding polishing base, the support of polishing and the subassembly of polishing, the subassembly of polishing slides and sets up on the support of polishing, the support of polishing slides and sets up on polishing the angle base, the angle base of polishing rotates to be connected on polishing the angle fixing base, and the arc slide rail that the position that is provided with the axis of rotation of preceding polishing base and polishing the angle fixing base was the centre of a circle on polishing the angle fixing base, still be provided with roller device on the support of polishing, roller device includes gyro wheel seat and slip gyro wheel, the slip gyro wheel rolls at the arc slide rail and sets up, the orbit and the arc slide rail cooperation of slip gyro wheel set up. The coding angle base is used for controlling the angle of the polishing assembly, so that the polishing assembly is matched with the notch angle conveniently, and the notch angle is polished; the support of polishing is used for controlling the height of the subassembly of polishing, and then makes the subassembly of polishing not hinder the work piece and remove in the work piece transportation, still guarantees the highly cooperation of the height and the incision of subassembly of polishing simultaneously, is convenient for polish.

Preferably, the front angle polishing device is further provided with an angle lifting lower clamp device, the angle lifting lower clamp device is fixed on the polishing base, the angle lifting lower clamp comprises an angle lifting oil cylinder and an angle lifting jaw, one side of the angle lifting jaw is connected with the angle lifting oil cylinder, the other side of the angle lifting jaw is provided with a sleeve, a limiting column is arranged on the front polishing base, the sleeve is sleeved outside the limiting column, and the lifting oil cylinder is also fixed on the polishing lifting base; the polishing detection coding support is provided with an angle pressing device matched with the lower clamp device for lifting an angle, the angle pressing device comprises an angle pressing support, an upper pressing piece and a pressing driving piece, and the angle pressing device is fixedly connected with the polishing detection coding support through the angle pressing support. The angle lifting lower clamp and the angle pressing device are matched to clamp a workpiece, the angle polishing device can polish the workpiece conveniently, and meanwhile the workpiece cannot move in the polishing process.

Preferably, the notch detection assembly comprises an angle vision support, an angle vision beam and a vision system, wherein the vision system is fixed on the angle vision beam, and the angle vision beam is connected to the angle vision support in a lifting mode through a lifting lead screw; the length detection assembly comprises a length measurement support, a length measurement cross beam and length measurement arms, wherein the length measurement arms are arranged in pairs and are arranged on the length measurement cross beam in a sliding mode, and the length measurement cross beam is connected to the length measurement support in a lifting sliding mode and is driven to lift through a cylinder; the code printing assembly comprises a code printing support, a code printing beam, a laser code printing device and a code scanning camera, wherein the laser code printing device and the code scanning camera are arranged on the code printing beam. After the angle vision beam moves to a proper position, detecting the notch through a vision system, and judging whether the notch image conduction system is qualified or not; the length detection assembly detects the length of a space by measuring the movement of the long arm, the code printing assembly detects the code printing position after printing codes on the workpiece, each workpiece is detected, and the quality of the workpiece is improved.

Preferably, the punching and shearing bulk material rack is arranged between the forward direction bundling device and the shearing assembly, and comprises a bulk material support, a bulk material roller way for conveying workpieces and a single feeding assembly for placing single workpieces. Under the condition that only single work piece, only need with the work piece place the punching shear bulk material frame in transport can, the simple operation, and need not to tie the material device through the positive and transport energy saving.

Therefore, the invention has the following beneficial effects: manual feeding is avoided, punching and shearing quality is high, and grinding of the incision angle is achieved; the punching and shearing efficiency is high, and the punching and shearing quality is high; the workpiece machining precision is high.

Drawings

FIG. 1 is a schematic view of a workpiece assembly of an automatic punching line;

FIG. 2 is a schematic view of a first construction of the forward strapping means;

FIG. 3 is a schematic view of a second construction of the forward strapping means;

FIG. 4 is a schematic view of a third construction of the forward strapping device;

FIG. 5 is a schematic structural view of a material holding assembly;

FIG. 6 is a schematic structural view of the fulcrum shaft arrangement;

FIG. 7 is a schematic structural view of a shear assembly;

FIG. 8 is a schematic structural view of the outfeed lift device;

FIG. 9 is a schematic structural view of the discharge auxiliary clamp;

FIG. 10 is a schematic structural view of a sanding detection coding assembly;

FIG. 11 is a schematic view of a front angle sanding apparatus;

FIG. 12 is a schematic view of the construction of the back angle sanding apparatus;

FIG. 13 is a schematic view of the angular pressing device;

FIG. 14 is a schematic view of the construction of the sanding gripping conveyor assembly;

FIG. 15 is a schematic view of another configuration of the sanding gripping and conveying assembly;

FIG. 16 is a schematic view of the construction of the transfer nip;

FIG. 17 is a schematic view of the construction of the incision detection assembly;

FIG. 18 is a schematic structural view of a length sensing assembly;

FIG. 19 is a schematic structural view of a coding assembly;

FIG. 20 is a schematic illustration of a flight conveyor assembly;

FIG. 21 is a schematic structural view of the finished assembly;

FIG. 22 is a schematic view of a workpiece composition of the automatic punching line in embodiment 2;

FIG. 23 is a schematic structural view of a reverse punching and shearing bulk material rack;

fig. 24 is another schematic view of the reverse punching and shearing bulk material rack.

In the figure: 1. the forward binding device 11, the lifting assembly 111, the lifting lever 1111, the rotating end 1112, the lifting end 112, the material-free detection device 1121, the detection plate 1122, the detection sensing structure 113, the lifting driving assembly 114, the fulcrum shaft device 12, the distributing assembly 121, the distributing block 1221, the distributing driving assembly 1222, the distributing clamp 1223, the distributing guide rail 131, the transverse feeding assembly 1311, the conveying chain 1312, the lifting material blocking assembly 132, the material supporting assembly 1321, the material supporting plate 1322, the material supporting lifting driving device 1323, the material supporting moving driving device 1331, the conveying roller 14, the forward binding frame 141, the distributing stop pillar 2, the shearing assembly 21, the punching-shearing feeding device 211, the feeding frame 212, the feeding clamp 213, the correcting device 22, the punching-shearing machine 23, the punching-shearing discharging device 231, the discharging frame 232, the discharging clamp 2321, A discharging lifting device 2322, a clamping arm 2324, a lower clamping plate 2325, a lower clamping sliding plate 2326, a feeding connecting rod 2327, an auxiliary discharging clamp 2328, a positioning clamping arm 2329, a stretching seat 2320, a clamping connecting rod structure 24, a tailing slipway 241, a front tailing slipway 242, a rear tailing slipway 25, a preheating device 251, a preheating coil 252, a heating control platform 3, a polishing detection coding assembly 31, a polishing detection coding bracket 311, a material bearing roller table 321, a polishing clamping conveying device 3211, an angle polishing bracket 3212, a polishing clamping driving clamp 3213, a polishing clamping cylinder 3214, a polishing clamping motor 322, a transfer clamping device 3221, a transfer clamping bracket 3222, a transfer clamping clamp 3223, a transfer clamping driving cylinder 323, a detection clamping conveying device 33, an angle polishing device 331, a front angle polishing device 3311, A polishing angle fixing base 33111, an arc-shaped slide rail 3312, a front polishing base 33121, a roller device 3313, a polishing support 33151, a polishing base plate 33152, a polishing motor 33153, a polishing spindle 33154, a polishing wheel 3316, an angle elevation lower clamp device 33161, an angle elevation cylinder 33162, an angle elevation jaw 332, a back angle polishing device 3321, a back polishing base 333, an angle elevation device 3331, an angle elevation support 3332, an upper pressing member 3333, a pressing driving member 34, a notch detection component 341, an angle vision support 342, an angle vision beam 343, a vision system 35, a length detection component 351, a length measurement support 352, a length measurement beam 353, a length measurement arm 36, a coding component 361, a coding support 362, a coding beam 363, a laser coding device 364, a coding camera 37, a chain plate conveying device 372, a coding support 372, The device comprises a conveying chain plate 373, a chain plate conveying motor 4, a finished product assembly 41, a ground rail robot 42, a finished product rack 43, a punching and shearing sorting roller way 5, a punching and shearing bulk material rack 51, a bulk material bracket 511, a bulk material retaining column 52, a single feeding assembly 521, a material guiding inclined plate 522, a reverse material lifting plate 5231, a cold-drawing strip 5232, a workpiece baffle 524, a material shifting plate 6 and a workpiece.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in figure 1, the automatic punching and shearing production line comprises a forward material bundling device 1, a shearing assembly 2, a grinding, detecting and coding device and a finished product assembly 4 which are sequentially arranged.

As shown in fig. 2, 3 and 4, the forward binding device 1 is used for continuously conveying a single bound workpiece 6 (round material or square material), the forward binding device 1 includes a forward binding frame 14 for supporting, and further includes a lifting assembly 11, a distributing assembly 12 and a feeding assembly, which are sequentially arranged, the lifting assembly 11 and the distributing assembly 12 cooperate to convey a steel pipe to the feeding assembly, and then the steel pipe is conveyed to a next device through the feeding assembly to perform a next process.

As shown in fig. 6, in which the material lifting assembly 11 includes a plurality of lifting bars 111 arranged in parallel and a lifting driving assembly 113 for driving one end of the lifting bar 111 to lift, the lifting bar 111 includes a lifting end 1112 and a rotating end 1111, wherein the lifting end 1112 is connected to the lifting driving assembly 113, and the rotating end 1111 is provided with a fulcrum shaft device 114, so that the lifting bar 111 can rotate around the fulcrum shaft device 114, so that the lifting bar 111 tilts, and the workpiece 6 on the lifting bar 111 moves toward the rotating end 1111. In addition, the material lifting assembly 11 further comprises a material absence detection device 112, the material absence detection device 112 is connected with the supporting shaft of the rotating end 1111, the material absence detection device 112 is used for detecting whether a steel pipe exists at the rotating end 1111 of the lifting lever 111, the material detection device comprises a detection plate 1121 and a detection sensing structure 1122, the detection plate 1121 is obliquely arranged and is rotatably arranged on the lifting lever 111, one end, close to the lifting end 1112, of the detection plate 1121 is rotatably connected to the lifting lever 111, in a material absence state, the detection plate 1121 and the plane of the lifting lever 111 form an inclined angle, and one end, close to the lifting end 1112 of the lifting lever 111, of the detection plate 1121 is lower than one end, close to the rotating end 1111 of the lifting lever 111.

The material distributing assembly 12 comprises a material distributing block 121 and a material distributing control assembly for controlling the material distributing block 121 to lift, the material distributing block 121 is arranged close to the rotating end 1111 of the lifting bar 111, the material distributing control assembly comprises a material distributing driving assembly 1221 for driving the material distributing block 121 to move up and down, a material distributing clamp 1222 for connecting the material distributing block 121 and the material distributing driving assembly 1221, and a material distributing guide rail 1223 for controlling the movement direction of the material distributing block 121, wherein the material distributing driving assembly 1221 comprises a material distributing chain, a material distributing chain wheel, a material distributing transmission shaft and a material distributing speed reducer, the material distributing block 121 is fixed with the material distributing chain through the material distributing clamp 1222, the material distributing block 121 is arranged on the material distributing guide rail 1223 in a sliding manner, the material distributing speed reducer drives the material distributing chain wheel to rotate through the material distributing chain wheel, the material distributing chain is further moved, and the material distributing block 121 is lifted under the driving of the material distributing chain to lift the workpiece at the rotating end 1111. Here the up end of distributor block 121 (i.e. the contact surface of distributor block 121 and steel pipe) includes inclined plane structure and transition plane, inclined plane structure and transition plane and formation obtuse angle structure, the one side that the inclined plane structure is close to lifting end 1112 is higher than the one side setting of keeping away from lifting end 1112, the setting of inclined plane structure is close to being convenient for lift the steel pipe on distributor block 121 after the top in the downward slip to the feeding subassembly, in addition, be provided with branch material bumping post 141 on forward bundle work or material rest 14, divide material bumping post 141 and inclined plane structure cooperation, guarantee at distributor block 121 in-process work piece setting in the groove that branch material bumping post 141 and inclined plane formed that reciprocates, and can not slide elsewhere. However, the material separating blocking pillars 141 and the material separating block 121 may be disposed in a contact manner or in a non-contact manner, as long as the V-shaped grooves are formed on the flat rubber formed by the flat and inclined surface structures formed by the material separating blocking pillars 141.

As shown in fig. 3 and 5, the feeding assembly includes a transverse feeding assembly 131, a longitudinal feeding assembly and a material supporting assembly 132 for conveying the workpieces on the transverse feeding assembly 131 to the longitudinal feeding assembly, the transverse feeding assembly 131 includes a conveying chain 1311 for conveying the workpieces transversely, conveying elevating material blocking assemblies 1312 for laying a plurality of steel pipes on the conveying chain 1311, and a conveying material supporting assembly 132 for conveying a single steel pipe to the feeding assembly; the transmission direction of the conveying chain 1311 is perpendicular to the axial direction of the steel pipe, the two sides of the conveying chain 1311 are provided with conveying chain 1311 seats, and one end of each conveying chain 1311 seat, which is far away from the material distributing assembly 12, is provided with a stop block; the lifting material blocking assemblies 1312 are arranged above the conveying chain 1311, and the distance between the lifting material blocking assemblies 1312 and the conveying chain 1311 in the vertical direction is larger than the width (or the outer diameter) of each steel pipe and smaller than the sum of the maximum widths (or the outer diameters) of the two steel pipes. In addition, the transverse feeding assembly 131 further comprises a steel tube detection device, which is arranged at the end of the conveying chain 1311 seat and controls whether the conveying chain 1311 rotates or not by judging whether a steel tube is at the end of the conveying chain 1311 seat or not. The longitudinal feeding assembly comprises a plurality of longitudinal conveying rollers 1331, and the longitudinal conveying rollers 1331 are provided with fixed flanges for preventing materials from rolling out. The material supporting component 132 comprises a material supporting plate 1321, a material supporting lifting driving device 1322 and a material supporting moving driving device 1323, the material supporting plate 1321 is fixed on the material supporting lifting driving device 1322, the material supporting lifting driving device 1322 is fixed on the material supporting moving driving device 1323 in a sliding mode, limiting edges are arranged at two ends of the material supporting plate 1321, the cross section of each limiting edge is triangular, and the height of the limiting edge close to one end of the transverse feeding component 131 is larger than that of the limiting edge close to one end of the longitudinal feeding component. The material supporting lifting driving device 1322 is set as a material supporting cylinder, and the material supporting moving driving device 1323 is set as a material supporting speed reducer and a material supporting screw rod. In addition, the feeding assembly further comprises a size detection device, and the size detection device is used for detecting the width (or the outer diameter) of a single steel pipe, so that the moving position of the retainer plate 1321 can be controlled conveniently, the retainer plate 1321 only moves one steel pipe at a time, and the steel pipes are conveyed independently and continuously. In addition, the feeding assembly further comprises a pushing cylinder, and the pushing cylinder is used for pushing the workpiece to the position of the fixed flange of the longitudinal conveying roller 1331.

As shown in fig. 7, the shearing assembly 2 includes a punching and shearing feeding device 21, a punching and shearing machine 22 and a punching and shearing discharging device 23, the punching and shearing feeding device 21 is arranged behind the longitudinal feeding assembly, the shearing feeding device includes a feeding frame 211, a plurality of feeding rollers arranged on the feeding frame 211 and a feeding clamp 212 arranged on the feeding frame 211, a linear guide rail is arranged on the feeding frame 211, the feeding clamp 212 is slidably arranged on the linear guide rail, the feeding clamp 212 includes a left jaw and a right jaw arranged above the feeding rollers, and the left jaw and the right jaw are used for clamping a workpiece to prevent the workpiece from sliding in the left and right directions; and a feeding upper clamping frame and a correcting device 213 are arranged behind the feeding clamp 212, the feeding upper clamping frame is used for assisting in clamping and positioning a workpiece, and the correcting device 213 is used for adjusting the position of the workpiece to ensure the shearing position of the workpiece. Wherein the feeding upper clamping piece is used for feeding the upper clamping block and a feeding upper clamping cylinder used for driving the feeding upper clamping block to move up and down, and a V-shaped groove is formed in the bottom surface of the upper clamping block, which is contacted with the workpiece. Correcting unit 213 is including proofreading and correct the cylinder, proofread and correct the free bearing, correction connecting rod and correcting rod, proofread and correct the cylinder setting on the terminal surface that feeding frame 211 is close to cutter one end, proofread and correct the free bearing bottom and be connected with proofread and correct the cylinder, proofread and correct connecting rod and correcting rod all set up in pairs, mated correction connecting rod forms the bottom and rotates the connection and form V type structure on proofread and correct the free bearing, link to each other in the middle of two paired correcting rods and form X type structure, and the bottom of two paired correcting rods corresponds and the upper end connection of paired correction connecting rod, form the link structure, correcting rod takes place to remove and then carries out position correction to the work piece under proofread and correct the cylinder effect, improve and cut the precision.

As shown in fig. 8, the punching shear discharging device 23 includes a discharging frame 231, a discharging roller disposed on the discharging frame 231, and a discharging fixture 232 for grinding, detecting and coding the device. The discharging fixture 232 comprises a discharging lifting device 2321 and a discharging auxiliary fixture 2327, the discharging lifting device 2321 comprises paired clamping arms 2322, a feeding cylinder for controlling the distance between the paired clamping arms 2322, and a lifting cylinder for controlling the lifting of the clamping arms 2322, the discharging lifting device 2321 further comprises a lifting connection assembly, the lifting connection assembly comprises a lower clamping plate 2324 for supporting and fixing and a lower clamping sliding plate 2325, wherein the lifting cylinder is fixed on one side of the lower clamping plate 2324, the lifting sliding rail is arranged on the other side of the lower clamping plate 2324, the sliding block is arranged on one side of the lower clamping plate 2325, the limit sliding rail is arranged on the other side of the lower clamping plate 2325, the lower clamping sliding plate 2325 is arranged on the lower clamping plate 2324 through the sliding block, the paired clamping arms 2322 are arranged on the limit sliding rail, and the lower end of the feeding cylinder is connected with the clamping arms 2322 through a connecting rod structure, the connecting rod structure comprises a stretching seat 2329 arranged below the feeding cylinder and feeding connecting rods 2326 rotatably connected to the stretching seat 2329, the feeding connecting rods 2326 are arranged in pairs, one end of each feeding connecting rod 2326 is rotatably connected to the stretching seat 2329, and the other end of each feeding connecting rod 2326 is connected to the clamping arm 2322. When one end of the feeding cylinder, which is connected to the top feeding connecting rod 2326, descends, the ends, which are connected to the clamping arms 2322, of the two feeding connecting rods 2326 in pairs approach each other, and the clamping arms 2322 do not lift under the action of the limiting slide rail, so that the clamping arms 2322 can clamp a workpiece conveniently.

As shown in fig. 9, the auxiliary discharging fixture 2327 includes positioning clamp arms 2328 arranged in pairs, a clamp arm sliding table for limiting the positioning clamp arm 2322, a clamping cylinder for controlling the positioning clamp arms 2328 to clamp and approach each other, the positioning clamp arm 2322 is slidably arranged on the clamp arm sliding table, the clamping cylinder is arranged between the two positioning clamp arms 2328, the positioning clamp arm 2322 and the clamping cylinder are connected through a clamping link structure 2320, the clamping link structure 2320 includes a connecting seat, a push plate and a push rod, the push plate is connected with the discharging clamp cylinder through the connecting seat, one end of the push rod is rotatably connected to the push plate, the other end of the push rod is rotatably connected to the connecting seat, and the push rod is provided with four average positioning clamp arms 2328 arranged on two sides of the push plate. When the positioning and clamping device is used, the clamping oil cylinder pushes the push plate, the push rod is driven to move under the action of the push plate, the positioning and clamping arm 2328 is driven to move, the sliding rail is arranged on the sliding table of the clamping arm, and the positioning and clamping arm 2328 is arranged on the sliding table of the clamping arm in a sliding mode, so that the positioning and clamping arm 2328 is driven by the clamping oil cylinder to clamp mutually.

In addition, the shearing assembly 2 further comprises a tail sliding table 24, wherein the tail sliding table 24 comprises a front tail sliding table 241 and a rear tail sliding table 242, the front tail sliding table 241 is arranged between the shearing feeding device and the shearing machine, and the rear tail sliding table 242 is arranged between the shearing machine and the punching shearing discharging device 23. The tailing slip table 24 facilitates sliding out of the sheared excess material.

Further, a preheating device 25 is arranged between the punching and shearing feeding device 21 and the punching and shearing machine 22, the preheating device 25 comprises a preheating coil 251 and a heating control platform 252, the heating control platform 252 is used for controlling the temperature of the waste heat coil, and the preheating coil 251 is sleeved outside the workpiece to preheat the workpiece, so that punching and shearing are facilitated, and punching and shearing efficiency is improved.

As shown in fig. 10, the polishing detection coding device comprises a polishing detection coding support 36131, an angle polishing device 33, a notch detection assembly 34, a length detection assembly 35, a coding assembly 36, a clamping and conveying device and a chain plate conveying device 37, wherein a material bearing roller way 311 is arranged on a polishing, conveying and polishing support 3313, a workpiece slides on the material bearing roller way 311, and the clamping and conveying device comprises a polishing, clamping and conveying device 321, a transfer clamping device 322 and a detection, clamping and conveying device 323; a linear guide rail is arranged on the grinding detection coding bracket 36131, and the grinding clamping conveying device 321 and the detection clamping conveying device 323 are arranged on the linear guide rail in a sliding manner. In addition, the grinding assembly, the incision detection assembly 34, the length detection assembly 35 and the code printing assembly 36 are sequentially arranged on the grinding detection code printing support 36131 from one end close to the shearing assembly 2 to one end close to the finished product assembly 4.

As shown in fig. 14 and 15, the grinding and clamping conveyor 321 is used for clamping a workpiece from a previous process to the grinding assembly to grind an incision. The polishing clamping conveying device 321 comprises an angle polishing support 33133211, polishing clamping driving clamps 3212, polishing clamping cylinders 3213 and a polishing clamping motor 3214, the angle polishing support 33133211 is of an L-shaped structure, the polishing clamping driving clamps 3212 are arranged in pairs and slidably arranged on the angle polishing support 33133211, a slide rail, a gear and a rack are arranged on the angle polishing support 33133211, the slide rail, the gear and the rack are arranged on one side surface of the angle polishing support 33133211 connected with the polishing clamping driving clamps 3212, wherein the rack is arranged in pairs and parallel to the slide rail, in addition, the rack is meshed with the gear and arranged on the upper side and the lower side of the gear, the two paired polishing clamping driving clamps 3212 are respectively arranged on two sides of the gear, the two racks are respectively fixed with the two polishing clamping driving clamps 3212, the polishing clamping cylinder 3213 is fixed on one of the polishing clamping driving clamps 3212, the polishing clamping cylinder 3 drives one of the polishing driving clamps to move, and then the connected rack is moved, so that the gear rotates to drive the other rack to move, and the distance between the two grinding and clamping driving pliers 3212 is controlled. And the polishing clamping motor 3214 is used for driving the polishing clamping conveying device 321 to move on the polishing detection polishing bracket 3313. In addition, a gear shaft fixing seat is arranged outside the gear rack and used for fixing the installation positions of the gear and the gear rack on the angle grinding support 33133211.

As shown in fig. 16, the transfer clamping device 322 is used for transition, after the transfer clamping device 322 clamps the workpiece, the polishing conveying device releases the workpiece, and then the detection clamping conveying device 323 clamps the workpiece on the transfer clamping device 322. The middle clamping device comprises a middle clamping bracket 3221, a pair of middle clamping pincers 3222 and a middle clamping driving cylinder 3223. Transfer clamping support 3221 is fixed to grinding detection coding support 36131, and the distance between transfer clamping support 3221 and grinding detection coding support 36131 after installation is smaller than the distance between the top of the roller on material bearing roller way 311 and grinding detection coding support 36131, so that workpiece transportation is avoided. The connection mode between the transit clamping pincers 3222 and the transit clamping support 3221 is the same as the connection mode between the sanding clamping driving pincers 3212 and the angle sanding support 33133211, and the clamping structure of the paired transit clamping pincers 3222 is also a gear and rack structure as the clamping structure of the sanding clamping driving pincers 3212, and one transit clamping pincers 3222 is driven to move by a transit clamping driving air cylinder 3223.

The detecting clamping and conveying device 323 is used for conveying the workpiece from the angle polishing device 33 to the detecting device, the detecting clamping and conveying device 323 is also arranged on the polishing detecting polishing bracket 3313 in a sliding mode, and the structure of the detecting clamping and conveying device 323 is the same as that of the polishing clamping and conveying device 321.

As shown in fig. 11 and 12, the angle polishing device 33 includes a front angle polishing device 33133 and a rear angle polishing device 33233, wherein the front angle polishing device 33133 includes a polishing angle fixing base 3311, a front polishing base 3312, a polishing support 3313 and a polishing component, the polishing component is slidably disposed on the polishing support 3313, the polishing support 3313 is slidably disposed on the polishing angle fixing base, the front polishing base 3312 is rotatably connected to the polishing angle fixing base 3311, an arc-shaped slide rail 33111 having a rotation axis of the front polishing base 3312 and the polishing angle fixing base 3311 as a center of a circle is disposed on the polishing angle fixing base 3311, a roller device 33121 is further disposed on the polishing support 3313, the roller device 33121 includes a roller seat and a slide roller, the slide roller is rotatably disposed on the arc-shaped slide rail 33111, and a track of the slide roller is cooperatively disposed with the arc-shaped slide rail 33111. In addition, be provided with the removal slider bottom the support 3313 of polishing, be provided with the removal slide rail in the front on the base 3312 of polishing, remove slider sliding connection on removing the slide rail, and be provided with the removal cylinder of polishing that is used for promoting the support 3313 of polishing to remove between support 3313 bottom of polishing and the base 3312 of polishing in the front, the removal cylinder of polishing is fixed on the support 3313 of polishing, and is provided with the connecting seat of polishing on the base of polishing, the connecting seat of polishing with remove cylinder fixed connection. Polishing support 3313 is last to set up the lift slide rail of polishing, the subassembly of polishing slides through the lift slide rail of polishing and sets up on support 3313 of polishing, the subassembly of polishing is including the bedplate 33151 of polishing, polishing motor 33152 and main shaft 33153 and the wheel 33154 of polishing, the bedplate 33151 of polishing is used for being connected with support 3313 of polishing, polishing motor 33152 drives main shaft 33153 of polishing through the belt pulley and rotates, wheel 33154 of polishing fixes on main shaft 33153 of polishing and with main shaft 33153 fixed connection of polishing, thereby the wheel 33154 of polishing also rotates the polishing of going on when main shaft 33153 rotates of polishing. In addition, in order to facilitate the elevation of the sanding base plate 33151, an oil cylinder hydraulic cylinder for driving the sanding base plate 33151 to move up and down is provided between the sanding base plate 33151 and the sanding support 3313. The rear angle polishing device 33233 includes a polishing angle fixing base 3311, a rear polishing base 3321, a polishing support 3313 and a polishing member, and each component on the rear angle polishing device 33233 is the same as each component on the front angle polishing device 33133, and the connection relationship is also the same.

In addition, in order to facilitate the workpiece to be fixed and polished on the angle polishing device 33133 in the front, an angle lifting lower clamp device 3316 is further arranged on the angle polishing device 33133 in the front, the angle lifting lower clamp device 3316 is fixed on the polishing base, the angle lifting lower clamp comprises an angle lifting oil cylinder 33161 and an angle lifting jaw 33162, one side of the angle lifting jaw 33162 is connected with the angle lifting oil cylinder 33161, the other side of the angle lifting jaw is provided with a sleeve, a limiting column is arranged on the polishing base 3312 in the front, the sleeve is sleeved outside the limiting column, and the lifting oil cylinder is also fixed on the polishing lifting base. The angle-lifting lower clamp 3316 is provided above a position where the front angle-polishing device 33133 is rotatably connected to the polishing angle fixing base 3311. As shown in fig. 13, an angle pressing device 333 for cooperating with the angle lifting lower clamp 3316 is disposed on the grinding detection coding support 36131, the angle pressing device 333 includes an angle pressing support 3331, an upper pressing member 3332 and a pressing driving member 3333, the angle pressing device 333 is fixedly connected to the grinding detection coding support 36131 through the angle pressing support 3331, the upper pressing member 3332 is pressed downward through the pressing driving member 3333, and the position of the upper pressing member 3332 is matched with the position of the angle lifting jaw 33162.

As shown in fig. 17, 18 and 19, the notch detection assembly 34 includes an angle vision bracket 341, an angle vision beam 342 and a vision system 343, the notch detection assembly 34 is specified on the grinding detection coding bracket 36131 through the angle vision bracket 341, the vision system 343 is used for detecting whether the notch is qualified, the vision system 343 is fixed on the angle vision beam 342, and the angle vision beam 342 is connected to the angle vision bracket 341 in a lifting manner through a lifting screw. The length detection assembly 35 comprises a length measurement support 351, a length measurement cross beam 352 and length measurement arms 353, wherein the length measurement arms 353 are arranged in pairs and are arranged on the length measurement cross beam 352 in a sliding mode, the length measurement cross beam 352 is connected to the length measurement support 351 in a lifting sliding mode and is driven to lift through an air cylinder, and a magnetic grating ruler for length measurement is arranged on the length measurement cross beam 352. Beat sign indicating number subassembly 36 including beating sign indicating number support 361, beat sign indicating number crossbeam 362, laser coding device 363 and sweep camera 364, laser coding device 363 and sweep a sign indicating number camera 364 and all set up on beating sign indicating number crossbeam 362, laser coding device 363 carries out laser coding to the work piece, sweep a sign indicating number camera 364 and beat a sign indicating number position to the work piece and detect, beat sign indicating number crossbeam 362 and connect on beating sign indicating number support 361 through beating a sign indicating number lift lead screw over-and-under type, beat sign indicating number support 361 and install whole coding subassembly 36 on the detection of polishing beating sign indicating number support 36131.

As shown in fig. 20, the chain conveying device 37 includes a chain conveying rack 371, a conveying chain plate 372 and a chain conveying motor 373, the conveying chain plate 372 is connected to the chain conveying motor 373 through a chain, the chain conveying rack 371 is used for being connected to the grinding detection code printing rack 36131, the conveying chain plate 372 is used for conveying the workpiece to the next process, and the conveying chain plate 372 is flush with the material receiving roller way 311.

As shown in fig. 21, the finished product assembly 4 includes a ground rail robot 41, a finished product rack 42 and a punching and shearing sorting roller way 43, the punching and shearing sorting roller way 43 is used for conveying workpieces, and the ground rail robot 41 is used for conveying the workpieces on the punching and shearing sorting roller way 43 onto the finished product rack 42. The structure of the punching, shearing and sorting roller way 43 is the same as that of the chain conveying device 37, and only the length is different.

Example 2:

as shown in fig. 22, 23, and 24, the embodiment 2 is basically the same as the embodiment 1, except that: be provided with between forward bundle material device 1 and shearing module 2 and dash and cut bulk material frame 5, it includes bulk material support 51 to dash and cut bulk material frame 5, a single feeding subassembly 52 that is used for carrying the bulk material roll table of work piece and is used for putting into single work piece, single feeding subassembly 52 includes guide swash plate 521, reverse lifting board 522, keep off material subassembly and switch-plate 524, wherein the direction swash plate is close to perpendicular to work piece axis direction and sets up, the one end that the direction swash plate is close to the bulk material roll table is the low side, the one end of keeping away from the bulk material roll table is high-end, the low side is less than high-end, the direction swash plate is fixed on bulk material support 51, bulk material support 51 includes the bulk material bumping post 511 of being connected with the low side, reverse lifting board 522 sets up the low side at the direction swash plate, and reverse lifting board 522 sliding connection is on bulk material bumping post 511. The material blocking assembly comprises a cold-drawing strip 5231 arranged at the upper end of the bulk material retaining post 511, a workpiece baffle 5232, the cold-drawing strip 5231 is obliquely arranged, one end of the cold-drawing strip 5231 connected with the bulk material retaining post 511 is higher, the workpiece baffle 5232 and the material shifting plate 524 are both arranged at one end of the cold-drawing strip 5231 far away from and blocking the connection end, the workpiece baffle 5232 and the material shifting plate 524 are respectively arranged at two sides of the cold-drawing strip 5231, the material shifting plate 524 is arranged to be of a 7-type structure, a driving shaft used for driving the material shifting plate 524 to rotate the material shifting plate is further arranged on the bulk material support 51, one end of the material shifting plate 524 is rotatably connected to the cold-drawing strip 5231, and the other end of the material shifting plate 524 is rotatably connected to the driving shaft through a V-type connecting rod. The work pieces are transported to the bulk roller table by the kick-off plate 524.

Further, the reverse material lifting plate 522 is driven by a gear and a rack, a rack is arranged on the side edge of the reverse material lifting plate 522, a gear shaft is arranged on the bulk material support 51, a gear is correspondingly arranged on the gear shaft, the gear is meshed with the rack, the gear shaft is driven to rotate by a motor, and then the gear is driven to rotate, so that the reverse material lifting plate 522 is lifted.

In addition, the punching and shearing bulk material rack 5 can be arranged in front of the forward binding device 1 as long as a bulk material roller way of the punching and shearing bulk material rack 5 is communicated with a longitudinal feeding assembly of the forward binding device 1.

Example 3:

embodiment 3 is an application embodiment of an automatic punching and shearing production line: the punching, shearing and processing process of the steel pipe mainly comprises the following steps:

s1: feeding, namely hoisting the whole bundle of workpieces to the forward binding device 1, so that the workpieces are automatically dispersed and then are conveyed to the next procedure individually;

s2: shearing, namely conveying a single workpiece from a shearing and feeding device into a shearing machine, preheating the single workpiece by a preheating device, shearing the single workpiece by the shearing machine, and outputting the sheared workpiece to the next procedure in a shearing and discharging device;

s3: polishing and code printing detection, namely polishing the notches at the two ends of the workpiece through an angle polishing device 33, detecting the notches of the workpiece, conveying the workpiece to a length detection station for length detection, conveying the workpiece to a laser code printing station for laser code printing, detecting the code printing position after the laser code printing is finished, and outputting the workpiece to a polishing detection code printing assembly 3 after the detection is qualified;

s4: and (5) conveying the finished product and the workpiece qualified in each detection to a finished product device, and conveying the finished product to a finished product rack 42 through a ground rail robot 41.

Wherein step S1 includes the following main steps:

s1.1, hoisting the whole bundle of workpieces onto a lifting lever 111, unfastening a binding rope for binding the workpieces, automatically adjusting the lifting lever 111 according to a detection signal of a material-free detection device 112, and controlling the lifting lever 111 to lift up by a lifting driving assembly 113 when detecting that a rotating end 1111 is free of materials so that the steel pipe moves to the rotating end 1111 under the action of gravity;

s1.2, the distributing block 121 is controlled to lift upwards through the distributing assembly 12, namely, the distributing speed reducer drives the old distributing chain wheel to rotate through the distributing transmission shaft, so that the distributing chain moves, the distributing block 121 is lifted under the driving of the distributing chain, and a workpiece at the rotating end 1111 is lifted to the top and slides to the conveying chain 1311;

s1.3, the conveying chain 1311 rotates through a conveying speed reducer, so that the conveying chain 1311 moves the workpieces to a stop block, when the workpieces move to the stop block position, the conveying chain 1311 stops, in the process, the material blocking device automatically adjusts to a proper height according to the sizes of the workpieces, the lifting material blocking assemblies 1312 block the workpieces on the upper layer, and single-layer tiling of the workpieces is achieved;

s1.4, the material supporting component 132 detects the width (or the outer diameter) of a single steel pipe through a size detection device, and controls the moving position of the material supporting plate 1321 through the material supporting moving driving device 1323 (the material supporting plate 1321 moves between two workpieces through data calculation); after the single steel pipe is lifted to a position higher than the height of the stop block by the material supporting lifting driving device 1322, the material supporting plate 1321 is moved to the position above the longitudinal conveying roller 1331 by the material supporting moving driving device 1323, the material supporting is placed down by the material supporting lifting driving device 1322, the workpiece is placed on the longitudinal conveying roller 1331, finally, the material pushing cylinder pushes the workpiece to the position where the longitudinal conveying roller 1331 fixes the retaining edge and then returns, and the longitudinal conveying roller 1331 conveys the workpiece forwards until the whole workpiece is conveyed to the next process.

Further, step S2 includes the steps of:

s2.1, feeding, wherein a single workpiece enters a feeding frame 211 and is conveyed to a feeding clamp 212 through a roller;

s2.2, adjusting the shearing position, namely clamping the workpiece by a left jaw and a right jaw on the feeding clamp 212, and simultaneously adjusting the shearing position of the workpiece through the correcting device 213 to ensure that the shearing position of the workpiece is accurate;

s2.3, shearing, namely, the workpiece enters a shearing machine, the shearing position of the workpiece is preheated in a preheating device 25, namely, the workpiece penetrates through a preheating coil 251, the temperature of the heating coil is increased through a heating control platform 252 to preheat the workpiece, and then the workpiece is conveyed to the shearing machine for shearing;

s2.4, discharging, wherein the cut workpiece is conveyed to a discharging clamp 232, the workpiece is lifted through a discharging lifting device 2321, and then the whole workpiece is clamped through a discharging auxiliary clamp 2327 and matched with a polishing clamping conveying device 321 in the next working procedure to load the workpiece book to a polishing detection coding assembly 3.

Further, step S3 includes the steps of:

s3.1, controlling and setting the angle of a polishing wheel 33154 in the front and rear coding devices through a servo motor according to the incision angle of the workpiece, and setting the position of a length measuring arm 353 through the servo motor according to the length of the workpiece;

s3.2, clamping a workpiece through the polishing clamping conveying device 321, conveying the workpiece to the polishing detection coding assembly 3, conveying one end, far away from the workpiece polishing clamping conveying device 321, of the polishing clamping conveying device 321 to a polishing station of the front angle polishing device 33133 through the polishing clamping conveying device 321, starting the lifting device to lift, starting the angle pressing device 333 after the lifting is in place, pressing the workpiece through the cooperation of the angle pressing device 333 and the angle lifting lower clamp device 3316, clamping the workpiece, starting the polishing motor 33152, starting the polishing wheel 33154 to operate, simultaneously lifting the polishing wheel 33154 to polish the end face of the workpiece, after polishing is completed, lowering the polishing wheel 33154, lowering the polishing wheel to the initial position, loosening the angle pressing device 333, and lowering the angle lifting lower clamp device 3316 to the initial position;

s3.3, the polishing clamping and conveying device 321 clamps the workpiece and continues to convey the workpiece forwards, after one end close to the workpiece polishing clamping and conveying device 321 is conveyed to a polishing station of a rear polishing device, the polishing motor 33152 is started, the polishing wheel 33154 starts to operate, and meanwhile, the polishing wheel 33154 starts to ascend to polish the end face of the workpiece. After polishing is completed, the polishing wheel 33154 starts to descend, and the descending will be at the initial position;

s3.4, the polishing clamping conveying device 321 clamps the workpiece, the workpiece is conveyed to a station of the transfer clamping device 322, the transfer clamping device 322 clamps the workpiece, after the transfer clamping device 322 clamps the workpiece, the polishing clamping conveying device 321 releases the workpiece, after the clamp of the polishing clamping conveying device 321 is released in place, the polishing clamping conveying device 321 returns to an initial position to clamp a second workpiece, after the polishing clamping conveying device 321 exits the station of the transfer clamping device 322, the detection clamping conveying device 323 moves to the station of the transfer clamping device 322 to clamp the workpiece, after the clamp of the workpiece is detected by the detection clamping conveying device 323, the transfer clamping device 322 releases the workpiece, and after the clamp of the transfer clamping device 322 is released, the detection clamping conveying device 323 conveys the workpiece to the next procedure;

s3.5, the workpiece is conveyed to a notch visual detection station by the detection clamping conveying device 323, the visual detection device descends to a designated position through the servo motor and the ball screw, the notch of the workpiece is detected through the visual system 343, a notch image is transmitted to a system for judgment by the visual camera, and after the notch detection is qualified, the visual detection device ascends to an initial position through the servo motor and the ball screw;

s3.6, after the workpiece is conveyed to the length detection station by the detection clamping conveying device 323, the length measuring device starts to descend, then the length measuring arms 353 are started, the length of the workpiece measured by the magnetic grid ruler is transmitted to a system for judgment, after the length detection is qualified, the two length measuring arms 353 return to the initial positions, and then the whole length measuring device ascends;

s3.7, the workpiece is conveyed to a laser coding station by the detection clamping conveying device 323, the laser coding device 363 descends to a specified position through the servo motor and the ball screw to perform laser coding on the workpiece, after the laser coding is completed, the scanning camera 364 device transmits a scanned laser coding image to a system for feedback, and after the feedback is qualified, the laser coding device 363 ascends to an initial position through the servo motor and the ball screw;

s3.8, conveying the workpiece to a chain plate of the chain plate conveying device 37, loosening the clamp of the detection clamping conveying device 323 after the workpiece is in place, placing the workpiece on the chain plate of the chain plate conveying device 37, and starting a chain plate driving motor to output the workpiece to the grinding detection coding mechanism after the clamping conveying device 323 to be detected is loosened in place.

Example 4:

the embodiment 4 is basically the same as the embodiment 3, except that: for a single workpiece, the following steps are also provided between steps S1 and S2: a single workpiece is placed into the single feeding assembly 52, and the single feeding assembly 52 conveys the single workpiece into the bulk material roller way to enter the next process.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims (10)

1. An automatic punching and shearing production line is characterized by comprising,

the forward binding device is used for realizing the independent and continuous conveying of the steel pipes and comprises a lifting assembly, a distributing assembly and a feeding assembly which are sequentially arranged;

the shearing assembly is used for punching and shearing a workpiece and comprises a punching and shearing feeding device, a punching and shearing machine and a punching and shearing discharging device, and the workpiece is conveyed into the punching and shearing feeding assembly from the feeding assembly;

the polishing detection coding assembly is arranged behind the shearing assembly and comprises a polishing detection coding support for supporting, an angle polishing device for polishing the front end and the rear end of a workpiece, a notch detection assembly for detecting notches at the two ends of the workpiece, a length detection assembly for detecting the length of the workpiece, a coding assembly for coding the workpiece, a clamping conveying assembly for conveying the workpiece in the polishing detection coding assembly and a chain plate conveying device for outputting the workpiece, wherein the polishing assembly, the notch detection assembly, the length detection assembly and the coding assembly are sequentially arranged on the polishing detection coding support;

and the finished product assembly is used for collecting the punched and sheared workpieces.

2. The automatic punching and shearing production line of claim 1, wherein the material lifting assembly comprises a plurality of lifting bars arranged in parallel and a lifting driving assembly for driving one end of each lifting bar to be lifted, and each lifting bar comprises a lifting end and a rotating end; the material distribution assembly comprises a material distribution block and a material distribution control assembly for controlling the material distribution block to lift, and the material distribution block is arranged close to the rotating end of the lifting lever; the feeding assembly comprises a transverse feeding assembly and a longitudinal feeding assembly, wherein the transverse feeding assembly comprises a conveying chain for conveying workpieces transversely, a lifting material blocking assembly for flatly laying a plurality of workpieces on the conveying chain and a material supporting assembly for conveying the single workpiece to the longitudinal feeding assembly.

3. The automatic punching and shearing production line of claim 1, wherein the shearing and feeding device comprises a feeding frame, a plurality of feeding rollers arranged on the feeding frame, and a feeding clamp arranged on the feeding frame, a linear guide rail is arranged on the feeding frame, the feeding clamp is slidably arranged on the linear guide rail, and the feeding clamp comprises a left jaw and a right jaw which are arranged above the feeding rollers and used for clamping a workpiece; shearing discharging device includes the ejection of compact gyro wheel of play work or material rest, setting on the play work or material rest and is used for polishing the ejection of compact anchor clamps that detect the total assembly of beating sign indicating number, and ejection of compact anchor clamps lifts up device and ejection of compact auxiliary fixture including the ejection of compact.

4. The automatic punching and shearing production line as claimed in claim 3, wherein a clamping frame for assisting in clamping and positioning the workpiece feeding upper part and a correcting device for adjusting the position of the workpiece are arranged behind the feeding clamp, the correcting device comprises a correcting hinged support, a correcting connecting rod and a correcting rod, the correcting connecting rod and the correcting rod are arranged in pairs, and the paired correcting connecting rods are connected to the correcting hinged support in a rotating mode at the bottom to form a V-shaped structure.

5. The automatic punching and shearing production line of claim 4, wherein a preheating device is further arranged between the punching and shearing feeding device and the punching and shearing machine, the preheating device comprises a preheating coil and a heating control platform, and the preheating coil is sleeved outside the workpiece.

6. The automatic punching and shearing production line of claim 1, wherein the clamping and conveying device comprises a grinding and clamping conveying device, a transfer clamping device and a detection and clamping conveying device, the grinding and clamping conveying device comprises an angle grinding support, a grinding and clamping driving clamp, a grinding and clamping cylinder and a grinding and clamping motor, the grinding and clamping driving clamp is arranged in pairs and is arranged on the angle grinding support in a sliding manner, a slide rail, a gear and a rack are arranged on one side surface of the angle grinding support, which is connected with the grinding and clamping driving clamp, and the rack is arranged in pairs and is parallel to the slide rail; the middle clamping device comprises a transfer clamping support, transfer clamping pincers and a transfer clamping driving cylinder, wherein the transfer clamping pincers are arranged in pairs, and the transfer clamping support is fixed on the polishing detection code printing support.

7. The automatic punching and shearing production line of claim 1, wherein the front angle polishing device comprises a polishing angle fixing seat, a front polishing base, a polishing support and a polishing component, the polishing component is slidably arranged on the polishing support, the polishing support is slidably arranged on the polishing angle base, the polishing angle base is rotatably connected onto the polishing angle fixing seat, an arc-shaped slide rail with the position of the rotating shaft of the front polishing base and the polishing angle fixing seat as the center of a circle is arranged on the polishing angle fixing seat, a roller device is further arranged on the polishing support and comprises a roller seat and a sliding roller, the sliding roller is arranged on the arc-shaped slide rail in a rolling manner, and the track of the sliding roller is matched with the arc-shaped slide rail.

8. The automatic punching and shearing production line of claim 7, wherein an angle lifting lower clamp device is further arranged on the front angle grinding device and fixed on the grinding base, the angle lifting lower clamp comprises an angle lifting oil cylinder and an angle lifting jaw, one side of the angle lifting jaw is connected with the angle lifting oil cylinder, the other side of the angle lifting jaw is provided with a sleeve, a limiting column is arranged on the front grinding base, the sleeve is sleeved outside the limiting column, and the lifting oil cylinder is also fixed on the grinding and lifting base; the polishing detection coding support is provided with an angle pressing device matched with the lower clamp device for lifting an angle, the angle pressing device comprises an angle pressing support, an upper pressing piece and a pressing driving piece, and the angle pressing device is fixedly connected with the polishing detection coding support through the angle pressing support.

9. The automatic punching and shearing production line of any one of claim 1, wherein the notch detection assembly comprises an angle vision bracket, an angle vision beam and a vision system, the vision system is fixed on the angle vision beam, and the angle vision beam is connected to the angle vision bracket in a lifting manner through a lifting screw rod; the length detection assembly comprises a length measurement support, a length measurement cross beam and length measurement arms, wherein the length measurement arms are arranged in pairs and are arranged on the length measurement cross beam in a sliding mode, and the length measurement cross beam is connected to the length measurement support in a lifting sliding mode and is driven to lift through a cylinder; the code printing assembly comprises a code printing support, a code printing beam, a laser code printing device and a code scanning camera, wherein the laser code printing device and the code scanning camera are arranged on the code printing beam.

10. The automatic punching and shearing production line of any one of claims 1 to 9, characterized by further comprising a punching and shearing bulk material rack, wherein the punching and shearing bulk material rack is arranged between the forward material bundling device and the shearing assembly, and comprises a bulk material support, a bulk material roller way for conveying workpieces and a single feeding assembly for placing single workpieces.

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