CN220902220U

CN220902220U - Laser cutting machine for metal coiled material

Info

Publication number: CN220902220U
Application number: CN202420705396.9U
Authority: CN
Inventors: 姚杰生
Original assignee: Shantou Jason Intelligent Technology Co ltd
Current assignee: Shantou Jason Intelligent Technology Co ltd
Priority date: 2024-04-08
Filing date: 2024-04-08
Publication date: 2024-05-07
Anticipated expiration: 2034-04-08

Abstract

The utility model relates to a laser cutting machine for a metal coiled material, which comprises a frame, a coiled material pipe positive pressure leveling mechanism, a cutting chamber, a finished product receiving mechanism and a finished product receiving mechanism, wherein the cutting chamber is internally provided with a laser cutting mechanism, a finished product conveying mechanism and a sheet clamping and tensioning mechanism; flattening the unfolded coiled material by arranging a coiled material pipe positive-pressure flattening mechanism, so that the coiled material enters a cutting chamber of a laser cutting machine in a flattened state; meanwhile, a sheet clamping and tensioning mechanism is arranged in the cutting chamber, and the sheet is clamped and tensioned when being cut, so that the coiled material is subjected to laser cutting operation under the state of flattening and tensioning, and the flatness of the cut sheet-shaped finished product is ensured.

Description

Laser cutting machine for metal coiled material

Technical Field

The present utility model relates to a cutting machine, and more particularly, to a laser cutting machine for metal coiled materials.

Background

At present, before a laser cutting machine is used for cutting a coiled material into a sheet-shaped finished product, the coiled material needs to be unreeled, and the coiled material is flattened before the sheet enters a cutting chamber; then when cutting is carried out in the cutting chamber, the sheet is clamped and fixed, a sheet-shaped finished product is cut on the sheet according to the specification through the laser cutting head, and the cut sheet-shaped finished product is generally sent out to a subsequent collecting device for stacking through a conveying mechanism (generally a synchronous belt). Since the sheet is bent to an excessively high degree in a rolled state, pinch rollers are generally used to pinch and flatten the sheet when flattening the sheet. But the coiled material is in the state of long-time bending before cutting, and the coiled material is greatly influenced by self elasticity, and when unreeling and unfolding are normal, the coiled material is difficult to flatten in a limited space by adopting a pair of pinch rolls, and when the sheet is clamped for cutting operation, the sheet still generates bending with a certain amplitude, so that the flatness of the cut sheet-shaped finished product is influenced.

Disclosure of utility model

The utility model aims to solve the problem of providing a laser cutting machine for a metal coiled material, which can carry out laser cutting operation on the coiled material in a flattened and tensioned state so as to ensure the flatness of a cut sheet-shaped finished product. The technical scheme adopted is as follows:

The laser cutting machine for the metal coiled material comprises a frame, and a cutting chamber, a finished product receiving mechanism and a finished product receiving mechanism which are arranged on the frame, wherein the cutting chamber is provided with a sheet material inlet, a sheet material outlet and a finished product outlet; the method is characterized in that: the laser cutting machine also comprises a coiled material pipe positive pressure leveling mechanism, wherein the coiled material pipe positive pressure leveling mechanism comprises a pipe positive mounting seat, a guide supporting roller set, a leveling roller set mechanism and a pinch roller set, the pipe positive mounting seat is arranged on the frame, the guide supporting roller set, the leveling roller set mechanism and the pinch roller set are arranged on the pipe positive mounting seat from front to back according to the conveying direction of coiled materials, and the pinch roller set corresponds to the sheet material inlet; the cutting chamber is also provided with a sheet clamping and tensioning mechanism, the sheet clamping and tensioning mechanism is arranged above the finished product conveying mechanism, and the laser cutting mechanism is arranged above the sheet clamping and tensioning mechanism; the sheet clamping and tensioning mechanism comprises a clamping and tensioning installation seat, two clamping devices and a tensioning device for driving the two clamping devices to move oppositely or back to back, wherein the tensioning device is installed on the clamping and tensioning installation seat, and the two clamping devices are respectively and correspondingly connected with the power output end of the tensioning device.

The guiding and supporting roller set is used for guiding and supporting the unwound coiled material, and because the bending degree of the sheet material in the coiled state is too high, the guiding and supporting roller set is arranged in front of the flattening roller set mechanism, the influence of the self elasticity of the coiled material is reduced, and the coiled material can smoothly and stably enter the flattening roller set mechanism. The guide and support roller set generally comprises at least two guide rollers, each guide roller is arranged on the mounting seat in parallel, and the mounting height of each guide roller gradually rises and is lower than the flattening adjusting mechanism according to the conveying direction of the coiled material.

The flattening roller set mechanism is used for flattening the unfolded and bent coiled material, so that the coiled material enters a cutting chamber of the laser cutting machine in a flattened state.

The pinch roll set as the prior art generally comprises an upper pinch roll and a lower pinch roll which are paired, wherein the lower pinch roll is driven to rotate by a motor, and the upper pinch roll is driven to move up and down by an air cylinder; when the sheet is clamped, the air cylinder drives the upper pinch roll to press down to be matched with the lower pinch roll to clamp the sheet, and then the motor is started to drive the lower pinch roll to rotate so as to drive the upper pinch roll to clamp the sheet.

The above-described sheet clamping and tensioning mechanism is used for clamping and tensioning a sheet when cutting the sheet, specifically: when cutting is carried out, the clamping device clamps the sheet firstly, and then the tensioning device drives the two clamping devices to move back to enable the two clamping devices to tension the sheet, so that the sheet is cut in a state of being kept flat, and the flatness of a cut sheet-shaped finished product is ensured; after the cutting is completed, the tensioning device drives the two clamping devices to move and reset in opposite directions, and the sheet material clamping and tensioning operation of the next cutting operation is performed.

The laser cutting mechanism described above typically includes a laser cutting head, as is known in the art. The laser cutting head can adopt a fixed installation or movable installation mode to carry out laser cutting on the sheet material which is clamped, fixed and tensioned.

The finished product conveying mechanism can be referred to as the prior art at present in the prior patent of the inventor, namely a finished product conveying mechanism in a full-automatic rotary torque-converting laser cutting machine (patent number: ZL 202122973719.1), a plurality of groups of synchronous belts are driven by a motor to convey the finished product, an interval exists between two adjacent synchronous belts, an adsorption device consisting of a lifting cylinder and a suction cup is arranged below one interval, the lifting cylinder drives the suction cup to rise from the interval between the two adjacent synchronous belts and adsorb the lower surface of a cutting area of the sheet when the sheet is cut, the suction cup descends to the lower part of the interval after the cutting is finished, and the cut finished product is blocked by the synchronous belts and falls on the synchronous belts.

The finished product receiving mechanism is used for butt-jointing the finished product conveying mechanism and the finished product receiving mechanism, the cut finished product is sent out of the cutting chamber by the finished product conveying mechanism, and is transferred through the finished product receiving mechanism and conveyed to the finished product receiving mechanism.

The finished product receiving mechanism can be used as the prior art, and the prior patent of the inventor (patent number: ZL 202122971026.9) can be referred to as a double-rack finished product collecting device, wherein the finished product receiving mechanism is provided with two discharge holes, different sent sheet products are respectively sent to the corresponding discharge holes, and the two discharge holes are respectively collected and stacked by the corresponding collecting device.

As a preferable scheme of the utility model, the coiled material pipe positive pressure leveling mechanism further comprises a pipe positive fixing frame, a pipe positive translation guide rail, a translation driving mechanism and a pipe positive translation seat, wherein the pipe positive translation guide rail and the pipe positive translation driving mechanism are arranged on the pipe positive fixing frame, the pipe positive translation seat is movably arranged on the pipe positive translation guide rail and is connected with a power output end of the translation driving mechanism, and the pipe positive installation seat is arranged on the pipe positive translation seat; the sheet clamping and tensioning mechanism further comprises a clamping translation seat and a clamping translation guide rail, the clamping translation guide rail is installed in the cutting chamber, the clamping translation seat is movably installed on the clamping translation guide rail and connected with the tube positive translation seat, and the clamping and tensioning installation seat is installed on the clamping translation seat. The cutting operation of some laser cutting machines adopts a mode that a laser head is fixed and sheets move, so that a translation function is additionally arranged, and a translation driving mechanism drives a coiled material pipe positive pressure leveling mechanism outside a cutting chamber and a sheet clamping tensioning mechanism inside the cutting chamber to move simultaneously. The translation driving mechanism can adopt the existing motor to drive the screw rod to rotate and drive the nut to translate on the screw rod.

As a further preferable scheme of the utility model, the flattening roller set mechanism comprises a plurality of flattening fixed rollers, a plurality of flattening regulating rollers and a flattening regulating mechanism for regulating the vertical distance between the flattening fixed rollers and the flattening regulating rollers, wherein the flattening fixed rollers are horizontally arranged on the pipe positive mounting seat and are positioned at the same height, the flattening regulating rollers are arranged on the power output end of the flattening regulating mechanism and are positioned at the same height, the flattening fixed rollers and the flattening regulating rollers are vertically opposite and are arranged at intervals in a staggered mode, and two pipe positive pieces are arranged on the flattening fixed rollers.

Above-mentioned flattening roller group mechanism is used for flattening the coiled material of expanding the bending, and flattening adjustment mechanism adjusts the perpendicular distance between flattening the dancer roll and the fixed roller of flattening according to different coiled materials, and the coiled material of expanding is through flattening between dancer roll and the fixed roller of flattening, receives the spacing of flattening dancer roll and the fixed roller of flattening to roll, finally makes the coiled material get into the cutting room of laser cutting machine under the state of flattening. The pipe correcting piece is used for carrying out pipe correcting limit on the edges of two sides of the unfolded coiled material, and avoiding deviation of the coiled material in the flattening process.

As a further preferable scheme of the utility model, the flattening adjusting mechanism comprises a flattening lifting seat, a flattening lifting guide rail and a flattening lifting driving mechanism, wherein the flattening lifting guide rail is vertically arranged on the pipe front mounting seat, the flattening lifting driving mechanism is arranged on the pipe front mounting seat, the flattening lifting driving mechanism comprises a flattening lifting servo motor, a speed reducer, a worm gear lifter and a lifting screw rod, a worm of the worm gear lifter is in transmission connection with an output shaft of the flattening lifting servo motor through the speed reducer, the middle part of the lifting screw rod is in threaded connection with a worm gear of the worm gear lifter, and the flattening lifting seat is arranged on the flattening lifting guide rail in a lifting manner and is correspondingly connected with the lower end of the lifting screw rod. The lifting of the flattening lifting seat adopts a mode that a servo motor is matched with a speed reducer and a worm gear lifter, the lifting is stable, the lifting amplitude is controllable, and the flattening lifting seat is suitable for coiled materials with different sizes and thicknesses.

As a preferable scheme of the utility model, the tensioning device comprises a tensioning translation guide rail, two tensioning translation seats and a tensioning driving mechanism for driving the two tensioning translation seats to move oppositely or reversely; the tensioning driving mechanism comprises a tensioning driving motor, a tensioning driving wheel, a tensioning driven wheel, a tensioning synchronous belt and two tensioning connecting blocks, wherein the tensioning driving motor is arranged on a clamping tensioning installation seat; the tensioning translation guide rail is arranged on the clamping tensioning installation seat, the two tensioning translation seats are movably installed on the tensioning translation guide rail and are respectively and correspondingly connected with the two tensioning connection blocks, and the two clamping devices are respectively installed on the corresponding tensioning translation seats. The tensioning driving motor drives the tensioning synchronous belt to move, so that the two tensioning connecting blocks move in opposite directions or back to drive the two tensioning translation seats to move in opposite directions or back to back. When the two tensioning translation seats move back, the two clamping devices are driven to tension the sheet between the two clamping devices.

As a preferable scheme of the utility model, the clamping device comprises an upper clamping plate, a lower clamping plate and a clamping driving device for driving the upper clamping plate and the lower clamping plate to clamp, wherein the upper clamping plate and the lower clamping plate are arranged up and down oppositely and are connected with a power output end of the clamping driving device. The sheet to be cut passes through between the upper clamping plate and the lower clamping plate, and the clamping driving device drives the upper clamping plate and the lower clamping plate to clamp the sheet from the upper direction and the lower direction.

In order to improve stability of the clamping sheet, as a further preferable scheme of the utility model, the upper clamping plate and the lower clamping plate are both long-strip-shaped; the clamping driving device is a pneumatic clamping jaw, and the pneumatic clamping jaw is provided with two claw parts which are opposite up and down and can be mutually opened and closed; the number of the pneumatic clamping jaws is two, and the two ends of the upper clamping plate and the lower clamping plate are correspondingly connected with the claw parts of the two pneumatic clamping jaws.

The laser cutting machine cuts sheet-shaped finished products according to the specification on the sheet material, the cut sheet-shaped finished products are sent out of the cutting chamber by the finished product conveying mechanism, and the cut sheet-shaped finished products are transferred by the finished product receiving mechanism and conveyed to the finished product receiving mechanism. In order to maintain the efficiency of the cutting operation, each sheet-like finished product needs to be immediately and rapidly sent out of the cutting chamber after being cut, which causes the sheet-like finished product to reach the collecting device at an excessively high speed, so that the finished products are messy and stacked on the collecting device in a staggered manner, and the subsequent stacking of the sheet-like finished products is affected. Therefore, as a preferable scheme of the utility model, the finished product receiving mechanism comprises a receiving platform, a buffer device and a switching mechanism for driving the buffer device to switch between a receiving state and a discharging state; the material receiving platform is arranged on the frame and corresponds to the position of the finished product discharge port, the switching mechanism is arranged on the frame, and the buffer device is arranged on the power output end of the switching mechanism and above the material receiving platform.

The buffer device is used for decelerating and finally stopping the sheet-like finished product with the initial speed on the buffer device. The switching mechanism is used for driving the buffer device to switch between a receiving state and a discharging state: when the buffer device is in a receiving state, the buffer device is in butt joint with the tail end of the finished product conveying mechanism, and the cut sheet-shaped finished product is conveyed to the buffer device through the finished product conveying mechanism until the sheet-shaped finished product stops on the buffer device; when the sheet-shaped finished product stops, the switching mechanism drives the buffer device to switch to a discharging state, the buffer device enables the sheet-shaped finished product to naturally drop onto the receiving platform, and the sheet-shaped finished product is conveyed to a subsequent finished product receiving mechanism through the receiving platform.

As a further preferable scheme of the utility model, the switching mechanism comprises a switching installation frame, a connecting arm, a swinging driving mechanism and a swinging seat; the switching installation frame is arranged on the frame, two connecting arms, two swinging driving mechanisms, two swinging seats and two buffer devices are arranged, the upper ends of the connecting arms are fixedly connected to the switching installation frame and vertically hung, and the swinging driving mechanisms are arranged at the lower part of the switching installation frame; the swing driving mechanism comprises a swing driving cylinder, a swing connecting rod and a swing rotating shaft, the swing driving cylinder is arranged on the corresponding connecting arm and faces downwards vertically, two ends of the swing rotating shaft are rotatably arranged at the lower end of the connecting arm, one end of the swing connecting rod is hinged with a piston rod of the corresponding swing driving cylinder, the other end of the swing connecting rod is fixedly connected with the corresponding swing rotating shaft, the swing seat is fixedly connected with the swing rotating shaft, and the swing seat and the connecting rod are respectively arranged at two sides of the swing rotating shaft; the two buffer devices are mounted on the corresponding swing seats and are arranged opposite to each other.

When the sheet-shaped finished product is required to be received, a piston rod of the swing driving cylinder presses down one end of the connecting rod, one end of the swing connecting rod swings downwards to drive the rotating shaft to rotate so that the swing seat on the other side swings upwards, the buffer device swings to a horizontal position, the buffer device is butted with the tail end of the finished product conveying mechanism, and the buffer device is in a material receiving state; similarly, when the sheet-shaped finished product stops moving, the piston rod of the swing driving cylinder moves upwards, one end of the swing connecting rod swings upwards to drive the rotating shaft to rotate so that the swing seat at the other side swings downwards, the buffer device swings downwards, and at the moment, the buffer device is in a discharging state and does not support the sheet-shaped finished product any more, so that the sheet-shaped finished product is automatically dropped onto the receiving platform below after losing the support. The two buffer devices are oppositely arranged, so that the sheet-shaped finished product is supported from two sides respectively, and the whole size of the buffer device can be reduced by only supporting one side range of the sheet-shaped finished product.

Generally, at least two blocking blocks can be arranged at the lower end of the connecting arm, and correspond to the position of the buffer device in the material receiving state and the position of the buffer device in the material discharging state respectively, so that the swing amplitude of the swing seat is limited, and the swing seat is accurately stopped at the corresponding position in the material receiving state or the material discharging state.

As a further preferable aspect of the present utility model, the buffer device includes an elongated buffer seat, and a plurality of buffer rollers; the buffer seat is fixedly arranged on the swing seat, and the length direction of the buffer seat is consistent with the discharging direction of the finished product conveying mechanism; the buffer seat is provided with a strip-shaped mounting groove along the length direction of the buffer seat, the buffer rollers are arranged in the mounting groove side by side along the length direction of the mounting groove, two ends of each buffer roller are rotatably arranged on two side groove walls of the mounting groove, and the length direction of each buffer roller is perpendicular to the length direction of the mounting groove; the surface of the buffer roller is provided with an anti-slip layer.

After the sheet-shaped finished product is sent out from the finished product conveying mechanism, the sheet-shaped finished product enters the buffer device at an initial speed, and a plurality of buffer rollers on the buffer seat support the sheet-shaped finished product and simultaneously reduce the speed of the sheet-shaped finished product through the friction force of the anti-slip layer on the surface of the buffer rollers, so that the sheet-shaped finished product is gradually reduced in speed and finally stops sliding and is parked on the buffer rollers.

The anti-slip layer is preferably a rubber layer in general, and other anti-slip materials having a large coefficient of friction may be used.

Compared with the prior art, the utility model has the following advantages:

The laser cutting machine for the metal coiled material flattens the uncoiled and bent coiled material by arranging the coiled material pipe flattening mechanism, so that the coiled material enters a cutting chamber of the laser cutting machine in a flattened state; meanwhile, a sheet clamping and tensioning mechanism is arranged in the cutting chamber, and the sheet is clamped and tensioned when being cut, so that the coiled material is subjected to laser cutting operation under the state of flattening and tensioning, and the flatness of the cut sheet-shaped finished product is ensured.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the assembly of the cutting chamber and web tube flattening mechanism of FIG. 1;

FIG. 4 is a schematic view of the roll tube flattening mechanism of FIG. 1;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a front view of FIG. 4;

FIG. 7 is a left side view of FIG. 4;

FIG. 8 is a rear view of FIG. 4;

FIG. 9 is a schematic view of the assembly of the tube positive mount, tube positive translation rail, translation drive mechanism, and tube positive translation mount of FIG. 4;

FIG. 10 is a bottom view of FIG. 9;

FIG. 11 is a schematic view of the assembly of the sheet clamping and tensioning mechanism within the cutting chamber;

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

FIG. 13 is a left side view of FIG. 11;

FIG. 14 is a schematic structural view of the finished product receiving mechanism of FIGS. 1 and 2;

FIG. 15 is a schematic view of the buffer device and the switching mechanism of FIG. 14;

FIG. 16 is a side view of FIG. 15;

Wherein each of the marks is as follows: 1-a frame, 2-a coiled material pipe positive pressure leveling mechanism, 3-a cutting chamber, 4-a finished product receiving mechanism, 5-a finished product receiving mechanism, 6-a laser cutting mechanism, 7-a finished product conveying mechanism, 8-a sheet clamping and tensioning mechanism, 3A-a sheet feeding port, 3B-a sheet discharging port and 3C-a finished product discharging port; the device comprises a 21-pipe positive mounting seat, a 22-guiding support roller set, a 220-guiding roller, a 23-flattening roller set mechanism, 231-flattening fixing rollers, 232-flattening adjusting rollers, 233-flattening adjusting mechanisms, 2331-flattening lifting seats, 2332-flattening lifting guide rails, 2333-flattening lifting servo motors, 2334-reducers, 2335-worm and gear lifters, 2336-lifting screw rods, 234-pipe positive parts, 24-pinch roller sets, 241-upper pinch rollers and 242-lower pinch rollers; 25-tube positive fixing frames, 26-tube positive translation guide rails, 27-translation driving mechanisms and 28-tube positive translation seats; 41-material receiving platform, 42-buffer device, 421-buffer seat, 422-buffer roller, 43-switching mechanism, 431-switching installation rack, 432-connecting arm, 433-swing seat, 434-swing driving cylinder, 435-swing connecting rod, 436-swing rotating shaft and 437-gear block; 50-collecting device, 71-chain and 72-adsorbing device; 81-clamping tensioning installation seats, 82-clamping devices, 83-tensioning devices, 84-clamping translation seats, 85-clamping translation guide rails and 86-translation connecting plates; 821-upper clamping plate, 822-lower clamping plate, 823-pneumatic clamping jaw, 831-tensioning translation guide rail, 832-tensioning translation seat, 833-tensioning driving motor, 834-tensioning driving wheel, 835-tensioning driven wheel, 836-tensioning synchronous belt and 837-tensioning connecting block.

Detailed Description

The preferred embodiments of the present utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 3, a laser cutting machine for metal coiled materials comprises a frame 1, a coiled material pipe flattening mechanism 2, a cutting chamber 3, a finished product receiving mechanism 4 and a finished product receiving mechanism 5, wherein the coiled material pipe flattening mechanism 2, the cutting chamber 3, the finished product receiving mechanism 4 and the finished product receiving mechanism 5 are arranged on the frame 1; the cutting chamber 3 is provided with a sheet material inlet 3A, a sheet material outlet 3B and a finished product outlet 3C, the cutting chamber 3 is internally provided with a laser cutting mechanism 6, a finished product conveying mechanism 7 and a sheet material clamping and tensioning mechanism 8, the sheet material clamping and tensioning mechanism 8 is arranged above the finished product conveying mechanism 7, and the laser cutting mechanism 6 is arranged above the sheet material clamping and tensioning mechanism 8; the finished product receiving mechanism 4 corresponds to the finished product conveying mechanism 7 at the finished product discharging hole 3C, and the finished product receiving mechanism 5 corresponds to the discharging end of the finished product receiving mechanism 4.

As shown in fig. 3 to 8, the coil pipe flattening mechanism 2 includes a pipe-front mount 21, a guide support roller group 22, a flattening roller group mechanism 23, and a pinch roller group 24, the pipe-front mount 21 is provided on the frame 1, the guide support roller group 22, the flattening roller group mechanism 23, and the pinch roller group 24 are mounted on the pipe-front mount 21 from front to back in the coil conveying direction, and the pinch roller group 24 corresponds to the sheet feed port 3A.

As shown in fig. 3 to 6, the guide and support roller group 22 is used for guiding and supporting the unwound coil, and in this embodiment, the guide and support roller group 22 includes three guide rollers 220 (generally at least two guide rollers are used), each guide roller 220 is disposed in parallel on the mounting base, and the mounting height of each guide roller 220 is gradually raised in accordance with the coil conveying direction and is lower than the flattening adjustment mechanism 233. Because the bending degree of the sheet material in the coiled state is too high, the guiding and supporting roller set 22 is arranged in front of the flattening roller set mechanism 23 to guide and support the uncoiled coiled material, the influence of the self elasticity of the coiled material is reduced, and the coiled material can smoothly and stably enter the flattening roller set mechanism 23.

As shown in fig. 3 to 7, the flattening roller group mechanism 23 serves to flatten the unwound and bent coil, and to bring the coil into the cutting chamber 3 in a flattened state; the flattening roller set mechanism 23 comprises a plurality of flattening fixed rollers 231, a plurality of flattening adjusting rollers 232 and a flattening adjusting mechanism 233 for adjusting the vertical distance between the flattening fixed rollers 231 and the flattening adjusting rollers 232, wherein the flattening fixed rollers 231 are horizontally arranged on the pipe front mounting seat 21 and are positioned at the same height, the flattening adjusting rollers 232 are arranged on the power output end of the flattening adjusting mechanism 233 and are positioned at the same height, and the flattening fixed rollers 231 and the flattening adjusting rollers 232 are vertically opposite and are arranged at intervals in a staggered mode; the flattening adjusting mechanism 233 comprises a flattening lifting seat 2331, a flattening lifting guide rail 2332 and a flattening lifting driving mechanism, wherein the flattening lifting guide rail 2332 is vertically arranged on the pipe front mounting seat 21, the flattening lifting driving mechanism is arranged on the pipe front mounting seat 21, the flattening lifting driving mechanism comprises a flattening lifting servo motor 2333, a speed reducer 2334, a worm gear lifter 2335 and a lifting screw rod 2336, a worm of the worm gear lifter 2335 is in transmission connection with an output shaft of the flattening lifting servo motor 2333 through the speed reducer 2334, the middle part of the lifting screw rod 2336 is in threaded connection with a worm gear of the worm gear lifter 2335, and the flattening lifting seat 2331 is in liftable mounting with the lower end of the flattening lifting guide rail 2332 and is correspondingly connected with the lower end of the lifting screw rod 2336; in this embodiment, two worm and gear lifters 2335 are used to drive the flattening lifting seat 2331 to lift for improving lifting stability.

The flattening adjusting mechanism 233 adjusts the vertical distance between the flattening adjusting roller 232 and the flattening fixed roller 231 according to different coiled materials, and the uncoiled coiled materials pass through the space between the flattening adjusting roller 232 and the flattening fixed roller 231 and are limited and rolled by the flattening adjusting roller 232 and the flattening fixed roller 231, so that the coiled materials finally enter the cutting chamber 3 of the laser cutting machine in a flattened state. The lifting of the flattening lifting seat 2331 adopts a mode that a servo motor is matched with a speed reducer 2334 and a worm gear lifter 2335, the lifting is more stable, the lifting amplitude is more controllable, and the flattening lifting seat is applicable to coiled materials with different sizes and thicknesses. In addition, in this embodiment, two pipe correcting members 234 are disposed on the foremost flattening roller 231, and are used for limiting the positions of the two side edges of the unwound coiled material in a pipe correcting manner, so as to avoid the deviation of the coiled material in the flattening process.

As shown in fig. 7 and 8, the pinch roll unit 24 is presently known in the art, and a person skilled in the art, based on the description of this paragraph, in conjunction with the accompanying drawings, can select a suitable embodiment, which is shown by way of example only in this example and in the drawings and will not be described in detail. Specifically, the pinch roll set 24 includes a pair of upper pinch rolls 241 and lower pinch rolls 242, the lower pinch rolls 242 being rotated by motor driving, the upper pinch rolls 241 being moved up and down by cylinder driving; when the pinch is carried out, the air cylinder drives the upper pinch roll 241 to press and match the lower pinch roll 242 to clamp the sheet, and then the motor is started to drive the lower pinch roll 242 to rotate so as to drive the upper pinch roll 241 to clamp the sheet.

In some laser cutting machines, the laser head is fixed and the sheet moves, so in this embodiment, a translation function is added, and the translation driving mechanism 27 drives the coil tube flattening mechanism 2 outside the cutting chamber 3 and the sheet clamping and tensioning mechanism 8 inside the cutting chamber 3 to move simultaneously. As shown in fig. 9 and 10, the coil pipe positive leveling mechanism 2 further includes a pipe positive fixing frame 25, a pipe positive translation guide rail 26, a translation driving mechanism 27 and a pipe positive translation seat 28, wherein the pipe positive translation guide rail 26 and the pipe positive translation driving mechanism 27 are mounted on the pipe positive fixing frame 25, the pipe positive translation seat 28 is movably mounted on the pipe positive translation guide rail 26 and connected with a power output end of the translation driving mechanism 27, and the pipe positive mounting seat 21 is arranged on the pipe positive translation seat 28; in this embodiment, the translation driving mechanism 27 adopts a manner of driving the screw rod to rotate by a motor and driving the nut to translate on the screw rod in the prior art, and a person skilled in the art can select a suitable embodiment according to the description of this paragraph and with reference to the accompanying drawings, which are only examples in this embodiment and the accompanying drawings, and will not be described in detail.

As shown in fig. 3 and 11 to 13, the sheet clamping and tensioning mechanism 8 includes a clamping and tensioning mount 81, two clamping devices 82, a tensioning device 83 for driving the two clamping devices 82 to move in opposite directions or back to each other, and a clamping and translating mount 84 and a clamping and translating guide rail 85, wherein in this embodiment, the clamping and translating guide rail 85 is separately provided at the sheet inlet 3A and the sheet outlet 3B, the clamping and translating mount 84 is movably mounted on the clamping and translating guide rail 85 and is connected to the tube positive translation mount 28 through a translating connecting plate 86, and the clamping and tensioning mount 81 is mounted on the clamping and translating mount 84; the tensioning device 83 comprises a tensioning translation guide rail 831, two tensioning translation seats 832 and a tensioning driving mechanism for driving the two tensioning translation seats to move towards or away from each other; in this embodiment, the tensioning driving mechanism includes a tensioning driving motor 833, a tensioning driving wheel 834, a tensioning driven wheel 835, a tensioning synchronous belt 836, and two tensioning connection blocks 837, the tensioning translation guide rail 831, the tensioning driving motor 833 are disposed on the clamping tensioning mount 81, the tensioning driving wheel 834, the tensioning driven wheel 835 are rotatably mounted on the clamping tensioning mount 81 and the tensioning synchronous belt 836, the tensioning synchronous belt 836 is provided with a forward section and a return section, the two tensioning connection blocks 837 are disposed on the forward section and the return section of the tensioning synchronous belt 836, the two tensioning translation seats 832 are movably mounted on the tensioning translation guide rail 831 and are correspondingly connected with the two tensioning connection blocks 837, respectively, and the two clamping devices 82 are mounted on the corresponding tensioning translation seats 832, respectively.

As shown in fig. 11 and 12, the clamping device 82 includes an upper clamping plate 821, a lower clamping plate 822, and a pneumatic clamping jaw 823 that drives the upper clamping plate 821 to clamp with the lower clamping plate 822, the pneumatic clamping jaw 823 serving as a clamping driving device; in order to improve the stability of clamping the sheet, in this embodiment, the upper clamping plate 821 and the lower clamping plate 822 are both elongated, the number of the pneumatic clamping jaws 823 is two, the pneumatic clamping jaws 823 are provided with two claw portions which are opposite up and down and can open and close mutually, and two end portions of the upper clamping plate 821 and the lower clamping plate 822 are correspondingly connected with the claw portions of the two pneumatic clamping jaws 823.

When a sheet to be cut passes through between the upper clamping plate 821 and the lower clamping plate 822, the pneumatic clamping jaw 823 drives the upper clamping plate 821 and the lower clamping plate 822 to clamp the sheet from the upper direction and the lower direction, then the tensioning driving motor 833 drives the tensioning synchronous belt 836 to move, so that the two tensioning connecting blocks 837 are enabled to move back to drive the two tensioning translation seats 832 to move back to enable the two clamping devices 82 to tension the sheet, the sheet is cut in a state of being kept flat, and the flatness of a cut sheet-shaped finished product is ensured; after the cutting is completed, the tension driving motor 833 drives the re-tension timing belt 836 to move, so that the two tension connection blocks 837 move toward each other, and the two clamping devices 82 move toward each other to reset, thereby performing the sheet clamping and tensioning operation of the next cutting operation.

The laser cutting mechanism 6 is presently known in the art and will not be described in detail herein. The laser cutting mechanism 6 typically includes a laser cutting head, and in this embodiment, the laser cutting mechanism 6 is fixedly mounted to laser cut the clamped and tensioned sheet. Of course, a movable mounting may be used, such as the one described in the prior patent to the present inventor (ZL 202122973753.9), wherein the web tube flattening mechanism 2 and the sheet clamping and tensioning mechanism 8 do not need to be translated.

The finished product conveying mechanism 7 is also the prior art, and the detailed description is not given here, and reference is made to the finished product conveying mechanism 7 in the prior patent of the inventor, namely, a full-automatic rotary torque-converting laser cutting machine (patent number: ZL 202122973719.1). As shown in fig. 3, 11 to 13, the finished product is conveyed by driving the plurality of sets of sprocket chains 71 by a motor, and a space exists between two adjacent synchronous belts, an adsorption device 72 consisting of a lifting cylinder and a suction cup is arranged below one space, the lifting cylinder drives the suction cup to rise from the space between the two adjacent chains 71 and adsorb the lower surface of a cutting area of the sheet when the sheet is cut, the suction cup descends below the space after the cutting is completed, and the cut finished product is blocked by the chain belts and falls on the chain belts, is commonly supported by the plurality of chain belts and is sent out.

As shown in fig. 1, 2 and 14, the finished product receiving mechanism 4 includes a receiving platform 41, a buffer device 42, and a switching mechanism 43 for driving the buffer device 42 to switch between a receiving state and a discharging state; the material receiving platform 41 is arranged on the frame 1 and corresponds to the position of the finished product discharge port 3C, the switching mechanism 43 is arranged on the frame 1, and the buffer device 42 is arranged on the power output end of the switching mechanism 43 and above the material receiving platform 41; in this embodiment, the finished product receiving mechanism 5 is used as the current prior art, and the prior patent of the present inventor is "a double-rack finished product collecting device 50" (patent No. ZL 202122971026.9), the receiving platform 41 is disposed between the two collecting devices 50, the receiving platform 41 adopts a manner of driving a conveyer belt by a motor, and is provided with two discharge ports, and different sent sheet products are respectively sent to the corresponding discharge ports by switching the trend of the conveyer belt, and are collected and stacked by the corresponding collecting devices 50. The specific structure of the receiving platform 41 will not be described in detail herein.

As shown in fig. 14 to 16, the switching mechanism 43 includes a switching mount 431, a connection arm 432, a swing drive mechanism, and a swing seat 433 (part of the components are shown by broken lines due to the shielding by the connection arm 432 in the drawings); the switching installation frame 431 is arranged on the frame 1, two connecting arms 432, two swinging driving mechanisms, two swinging seats 433 and two buffer devices 42 are arranged, the upper ends of the connecting arms 432 are fixedly connected to the switching installation frame 431 and vertically hung, and the swinging driving mechanisms are arranged at the lower part of the switching installation frame 431; the swing driving mechanism comprises a swing driving cylinder 434, a swing connecting rod 435 and a swing rotating shaft 436, wherein the swing driving cylinder 434 is arranged on the corresponding connecting arm 432 and vertically faces downwards, two ends of the swing rotating shaft 436 are rotatably arranged at the lower end of the connecting arm 432, one end of the swing connecting rod 435 is hinged with a piston rod of the corresponding swing driving cylinder 434, the other end of the swing connecting rod 435 is fixedly connected with the corresponding swing rotating shaft 436, a swing seat 433 is fixedly connected with the swing rotating shaft 436, and the swing seat 433 and the connecting rod are respectively arranged at two sides of the swing rotating shaft 436; two damping devices 42 are mounted on the respective swing seats 433 and are disposed opposite to each other.

When the sheet-shaped finished product is required to be received, a piston rod of the swing driving cylinder 434 presses down one end of the connecting rod, one end of the swing connecting rod 435 swings downwards to drive the rotating shaft to rotate so that the swing seat 433 on the other side swings upwards, the buffer device 42 swings to a horizontal position, the buffer device 42 is butted with the tail end of the finished product conveying mechanism 7, and the buffer device 42 is in a material receiving state; similarly, when the movement of the sheet-like product is stopped, the piston rod of the swing driving cylinder 434 is moved upward, one end of the swing connecting rod 435 swings upward, and drives the rotating shaft to rotate so that the swing seat 433 at the other side swings downward, so that the buffer device 42 swings downward, and at this time, the buffer device 42 is in a discharging state and no longer supports the sheet-like product, thereby causing the sheet-like product to lose support and automatically drop onto the receiving platform 41 below. The two buffer devices 42 are arranged oppositely, so that the sheet-shaped finished product is supported from two sides respectively, and only one side range of the sheet-shaped finished product is required to be supported, and the whole size of the buffer devices 42 can be reduced. At least two blocking blocks 437 are arranged at the lower end of the connecting arm 432 and correspond to the position of the buffer device 42 in the material receiving state and the position of the buffer device in the material discharging state respectively, so that the swing amplitude of the swing seat 433 is limited, and the swing seat 433 is accurately stopped at the corresponding position in the material receiving state or the material discharging state.

As shown in fig. 14 to 16, the buffer device 42 includes a long buffer seat 421 and a plurality of buffer rollers 422, the buffer seat 421 is fixedly mounted on the swing seat 433, the length direction of the buffer seat 421 is consistent with the discharging direction of the finished product conveying mechanism 7, the buffer seat 421 is provided with a long mounting groove (not labeled in the drawing) along the length direction thereof, the buffer rollers 422 are arranged in the mounting groove side by side along the length direction of the mounting groove, two ends of the buffer rollers 422 are rotatably mounted on two side groove walls of the mounting groove, and the length direction of the rollers is perpendicular to the length direction of the mounting groove; the surface of the buffer roller 422 is provided with a rubber layer as an anti-slip layer. After the sheet-like finished product is sent out from the finished product conveying mechanism 7, the sheet-like finished product enters the buffer device 42 at an initial speed, and the buffer rollers 422 on the buffer seat 421 support the sheet-like finished product and simultaneously the buffer rollers 422 reduce the speed of the sheet-like finished product through the friction force of the surface anti-slip layer, so that the sheet-like finished product is gradually reduced in speed and finally stops sliding and is parked on the buffer rollers 422. The anti-slip layer is preferably a rubber layer in general, and other anti-slip materials having a large coefficient of friction may be used.

In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The laser cutting machine for the metal coiled material comprises a frame, and a cutting chamber, a finished product receiving mechanism and a finished product receiving mechanism which are arranged on the frame, wherein the cutting chamber is provided with a sheet material inlet, a sheet material outlet and a finished product outlet; the method is characterized in that: the laser cutting machine also comprises a coiled material pipe positive pressure leveling mechanism, wherein the coiled material pipe positive pressure leveling mechanism comprises a pipe positive mounting seat, a guide supporting roller set, a leveling roller set mechanism and a pinch roller set, the pipe positive mounting seat is arranged on the frame, the guide supporting roller set, the leveling roller set mechanism and the pinch roller set are arranged on the pipe positive mounting seat from front to back according to the conveying direction of coiled materials, and the pinch roller set corresponds to the sheet material inlet; the cutting chamber is also provided with a sheet clamping and tensioning mechanism, the sheet clamping and tensioning mechanism is arranged above the finished product conveying mechanism, and the laser cutting mechanism is arranged above the sheet clamping and tensioning mechanism; the sheet clamping and tensioning mechanism comprises a clamping and tensioning installation seat, two clamping devices and a tensioning device for driving the two clamping devices to move oppositely or back to back, wherein the tensioning device is installed on the clamping and tensioning installation seat, and the two clamping devices are respectively and correspondingly connected with the power output end of the tensioning device.

2. The laser cutter for metal coil according to claim 1, wherein: the coiled material tube positive pressure leveling mechanism further comprises a tube positive fixing frame, a tube positive translation guide rail, a translation driving mechanism and a tube positive translation seat, wherein the tube positive translation guide rail and the tube positive translation driving mechanism are arranged on the tube positive fixing frame, the tube positive translation seat is movably arranged on the tube positive translation guide rail and is connected with a power output end of the translation driving mechanism, and the tube positive installation seat is arranged on the tube positive translation seat; the sheet clamping and tensioning mechanism further comprises a clamping translation seat and a clamping translation guide rail, the clamping translation guide rail is installed in the cutting chamber, the clamping translation seat is movably installed on the clamping translation guide rail and connected with the tube positive translation seat, and the clamping and tensioning installation seat is installed on the clamping translation seat.

3. The laser cutter for metal coil according to claim 2, wherein: the flattening roller set mechanism comprises a plurality of flattening fixed rollers, a plurality of flattening regulating rollers and a flattening regulating mechanism for regulating the vertical distance between the flattening fixed rollers and the flattening regulating rollers, wherein the flattening fixed rollers are horizontally arranged on the pipe front mounting seat and are positioned at the same height, the flattening regulating rollers are arranged on the power output end of the flattening regulating mechanism and are positioned at the same height, the flattening fixed rollers and the flattening regulating rollers are vertically opposite and are arranged at intervals in a staggered mode, and two pipe front pieces are arranged on the flattening fixed rollers.

4. A laser cutter for metal coiled material according to claim 3, wherein: the flattening adjusting mechanism comprises a flattening lifting seat, a flattening lifting guide rail and a flattening lifting driving mechanism, wherein the flattening lifting guide rail is vertically arranged on the tube front mounting seat, the flattening lifting driving mechanism is arranged on the tube front mounting seat, the flattening lifting driving mechanism comprises a flattening lifting servo motor, a speed reducer, a worm gear lifter and a lifting screw rod, a worm of the worm gear lifter is in transmission connection with an output shaft of the flattening lifting servo motor through the speed reducer, the middle part of the lifting screw rod is in threaded connection with a worm gear of the worm gear lifter, and the flattening lifting seat is installed on the flattening lifting guide rail in a lifting manner and is correspondingly connected with the lower end of the lifting screw rod.

5. A laser cutting machine for metal coiled material according to any of claims 2 to 4, characterized in that: the tensioning device comprises a tensioning translation guide rail, two tensioning translation seats and a tensioning driving mechanism for driving the two tensioning translation seats to move oppositely or back to back; the tensioning driving mechanism comprises a tensioning driving motor, a tensioning driving wheel, a tensioning driven wheel, a tensioning synchronous belt and two tensioning connecting blocks, wherein the tensioning driving motor is arranged on a clamping tensioning installation seat; the tensioning translation guide rail is arranged on the clamping tensioning installation seat, the two tensioning translation seats are movably installed on the tensioning translation guide rail and are respectively and correspondingly connected with the two tensioning connection blocks, and the two clamping devices are respectively installed on the corresponding tensioning translation seats.

6. A laser cutting machine for metal coiled material according to any of claims 2 to 4, characterized in that: the clamping device comprises an upper clamping plate, a lower clamping plate and a clamping driving device for driving the upper clamping plate to clamp with the lower clamping plate, wherein the upper clamping plate and the lower clamping plate are arranged up and down oppositely and are connected with a power output end of the clamping driving device.

7. The laser cutter for metal coil according to claim 6, wherein: the upper clamping plate and the lower clamping plate are both long-strip-shaped; the clamping driving device is a pneumatic clamping jaw, and the pneumatic clamping jaw is provided with two claw parts which are opposite up and down and can be mutually opened and closed; the number of the pneumatic clamping jaws is two, and the two ends of the upper clamping plate and the lower clamping plate are correspondingly connected with the claw parts of the two pneumatic clamping jaws.

8. The laser cutter for metal coil according to claim 1, wherein: the finished product receiving mechanism comprises a receiving platform, a buffer device and a switching mechanism for driving the buffer device to switch between a receiving state and a discharging state; the material receiving platform is arranged on the frame and corresponds to the position of the finished product discharge port, the switching mechanism is arranged on the frame, and the buffer device is arranged on the power output end of the switching mechanism and above the material receiving platform.

9. The laser cutter for metal coil according to claim 8, wherein: the switching mechanism comprises a switching installation frame, a connecting arm, a swing driving mechanism and a swing seat; the switching installation frame is arranged on the frame, two connecting arms, two swinging driving mechanisms, two swinging seats and two buffer devices are arranged, the upper ends of the connecting arms are fixedly connected to the switching installation frame and vertically hung, and the swinging driving mechanisms are arranged at the lower part of the switching installation frame; the swing driving mechanism comprises a swing driving cylinder, a swing connecting rod and a swing rotating shaft, the swing driving cylinder is arranged on the corresponding connecting arm and faces downwards vertically, two ends of the swing rotating shaft are rotatably arranged at the lower end of the connecting arm, one end of the swing connecting rod is hinged with a piston rod of the corresponding swing driving cylinder, the other end of the swing connecting rod is fixedly connected with the corresponding swing rotating shaft, the swing seat is fixedly connected with the swing rotating shaft, and the swing seat and the connecting rod are respectively arranged at two sides of the swing rotating shaft; the two buffer devices are mounted on the corresponding swing seats and are arranged opposite to each other.

10. The laser cutter for metal coil according to claim 9, wherein: the buffer device comprises a strip-shaped buffer seat and a plurality of buffer rollers; the buffer seat is fixedly arranged on the swing seat, and the length direction of the buffer seat is consistent with the discharging direction of the finished product conveying mechanism; the buffer seat is provided with a strip-shaped mounting groove along the length direction of the buffer seat, the buffer rollers are arranged in the mounting groove side by side along the length direction of the mounting groove, two ends of each buffer roller are rotatably arranged on two side groove walls of the mounting groove, and the length direction of each buffer roller is perpendicular to the length direction of the mounting groove; the surface of the buffer roller is provided with an anti-slip layer.