CN116713603A

CN116713603A - Laser blanking machine

Info

Publication number: CN116713603A
Application number: CN202310755150.2A
Authority: CN
Inventors: 屠国品; 屠锦涛; 夏表
Original assignee: Zhejiang Jingan Auto Parts Co ltd
Current assignee: Zhejiang Jingan Auto Parts Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-09-08

Abstract

The invention discloses a laser blanking machine, wherein storage equipment comprises a rectangular frame-shaped discharging box body with an opening at the upper end, an upper row lifting device and an inclined guide plate device, wherein the upper row lifting device and the inclined guide plate device are arranged at the upper end of the discharging box body; the upper lifting device comprises a pair of upper lifting mechanisms which are distributed on two axial sides of the hollow steel pipe; the upper row lifting mechanism comprises an upper row lifting seat arranged in a lifting manner and a lifting assembly used for driving the upper row lifting seat to vertically lift; an end limiting assembly is arranged on the upper row of lifting seats; a pair of end limiting assemblies are matched with each other to grasp the hollow steel pipes in the uppermost row; the inclined guide plate device comprises an inclined guide plate obliquely arranged at the upper end of the discharging box body and an inclined driving mechanism for driving the inclined guide plate to move; the inclined guide plate is obliquely arranged, and one end far away from the auxiliary feeding equipment is higher than one end close to the auxiliary feeding equipment; the inclined direction of the inclined guide plate is the same as the moving direction thereof. The invention can realize feeding of auxiliary feeding equipment without manual participation, and improves the production efficiency.

Description

Laser blanking machine

Technical Field

The invention relates to the field of engine pipeline production, in particular to a laser blanking machine.

Background

When the engine pipeline for the heavy truck is produced, a hollow steel pipe is required to be used, and the hollow steel pipe is generally formed by cutting a long hollow steel pipe raw material pipe into a plurality of hollow steel pipes which accord with the length through a blanking machine, and the hollow steel pipe raw material pipe is generally fed in an auxiliary mode through mechanical equipment due to the fact that the weight of the hollow steel pipe raw material pipe is large. In the transportation process, a plurality of hollow steel pipe raw material pipes are generally bundled together through bundling ropes, so that the transportation is convenient; however, when the blanking machine is used for feeding, the bundled hollow steel pipe raw material pipes are required to be unbinding and dispersed so as to facilitate the subsequent auxiliary feeding through mechanical equipment; the process of entering into the mechanical equipment of supplementary material loading after hollow steel pipe raw material pipe is unbinding the dispersion often carries through the manual work, and degree of automation is not high like this, and production efficiency is low, and operating personnel wastes time and energy simultaneously to there is unexpected injured possibility.

Disclosure of Invention

In order to improve production efficiency, the invention provides a laser blanking machine.

The invention provides a laser blanking machine which adopts the following technical scheme:

a laser blanking machine comprises a storage device, an auxiliary feeding device and a cutting and blanking device; the storage equipment is used for storing batches of hollow steel pipes and supplementing the hollow steel pipes to the auxiliary feeding equipment; the auxiliary feeding equipment is used for continuously providing hollow steel pipes for the cutting and blanking equipment; the cutting and blanking equipment is used for cutting the hollow steel pipe into a steel pipe section; the storage equipment comprises a rectangular frame-shaped discharging box body with an opening at the upper end, an upper row lifting device and an inclined guide plate device, wherein the upper row lifting device and the inclined guide plate device are arranged at the upper end of the discharging box body; the upper lifting device comprises a pair of upper lifting mechanisms which are distributed on two axial sides of the hollow steel pipe; the upper row lifting mechanism comprises an upper row lifting seat arranged in a lifting manner and a lifting assembly used for driving the upper row lifting seat to vertically lift; an end limiting assembly is arranged on the upper row of lifting seats; the pair of end limiting assemblies are matched with each other to grasp the hollow steel pipes in the uppermost row; the inclined guide plate device comprises an inclined guide plate obliquely arranged at the upper end of the discharging box body and an inclined driving mechanism for driving the inclined guide plate to move; the inclined guide plate is obliquely arranged, and one end of the inclined guide plate, which is far away from the auxiliary feeding equipment, is higher than one end of the inclined guide plate, which is close to the auxiliary feeding equipment; the inclination direction of the inclined guide plate is the same as the moving direction of the inclined guide plate.

By adopting the technical scheme, the hollow steel pipes which are bound together can be placed into the discharge box body at one time through the travelling crane and positioned, and then the binding ropes for binding are taken out, so that the hollow steel pipes can be placed in the discharge box body; the upper row of lifting seats descend and are close to the hollow steel pipes in the uppermost row, and then a pair of end limiting assemblies start to grab the hollow steel pipes in the uppermost row; then the upper row lifting seat is lifted to return, the inclined guide plate is inclined to move downwards, then the pair of end limiting assemblies release the hollow steel pipes, and the hollow steel pipes reach auxiliary feeding equipment along the inclined guide plate, so that the auxiliary feeding equipment can be fed without manual participation, and the production efficiency is improved; then the hollow steel pipe reaches the cutting and blanking equipment through the auxiliary feeding equipment to finish the cutting of the hollow steel pipe, so that the whole laser blanking machine is high in automation degree, and the production efficiency is greatly improved.

Optionally, the end limiting assembly comprises a plurality of telescopic limiting columns and a plurality of telescopic driving pieces, wherein the telescopic limiting columns and the telescopic driving pieces are vertically arranged on the end face, close to the hollow steel pipe, of the upper row of lifting seats; the telescopic driving pieces are in one-to-one correspondence with the telescopic limiting columns and drive the telescopic limiting columns on the corresponding sides to stretch; the telescopic limit column is cylindrical and one end, close to the hollow steel tube, of the telescopic limit column is conical; the diameter of the telescopic limit column is larger than the inner diameter of the hollow steel tube.

By adopting the technical scheme, the telescopic driving piece controls the telescopic limit column to extend out, the conical end part of the telescopic limit column is inserted into the end part of the hollow steel tube, so that the telescopic limit column can adapt to the hollow steel tube within a certain position range, the hollow steel tube is not required to be very accurate in position, and the hollow steel tube can be conveniently grabbed; and finally the hollow steel pipe is centrally arranged under the action of a pair of telescopic limit posts; meanwhile, the telescopic limiting columns on the corresponding sides can be controlled to stretch out and draw back, so that the hollow steel pipes can be released one by one, and the hollow steel pipes can be conveyed orderly.

Optionally, the storage device further comprises a raw material lifting device arranged on the discharging box body; the raw material lifting device comprises a lifting supporting plate vertically arranged in the discharging box body in a moving way and a lifting driving mechanism for driving the lifting supporting plate to lift; the lifting support plate is horizontally arranged and used for placing the hollow steel pipes.

Through adopting above-mentioned technical scheme, lift drive drives the vertical removal of lift backup pad in the discharging box for all hollow steel pipes wholly go up and down, make things convenient for the arrangement of the lifting mechanism of arranging on force like this, reduced the vertical lift stroke of arranging the lifting seat, thereby improve the efficiency that hollow steel pipe promoted.

Optionally, the auxiliary feeding device comprises an auxiliary feeding bracket, a batch placing device, a feeding device and an axial feeding device; the batch placement device, the feeding device and the axial feeding device are arranged on the auxiliary feeding bracket; the batch placement device is positioned between the axial feeding device and the storage equipment; the batch placement device is used for storing a certain number of hollow steel pipes; the axial feeding device conveys the hollow steel pipe to cutting and blanking equipment along the axial direction of the hollow steel pipe; the feeding device is used for feeding the hollow steel pipes on the batch placement device to the axial feeding device one by one.

By adopting the technical scheme, the batch placement device can store a certain number of hollow steel pipes, so that the continuous capability of subsequent cutting is improved; simultaneously, the feeding device supplies the hollow steel pipes on the batch placement device to the axial feeding device one by one; the axial feeding device conveys the hollow steel tube to cutting and blanking equipment; the process does not need to be manually participated, and the production efficiency is improved.

Optionally, the batch placement device comprises a plurality of batch placement mechanisms which are uniformly distributed along the axial direction of the hollow steel pipe; the batch placement mechanism comprises a first support seat, a second support seat and a plurality of cylindrical placement rods which are arranged between the first support seat and the upper end of the second support seat and uniformly distributed along the axial direction of the hollow steel pipe; the first supporting seat and the second supporting seat are arranged on the auxiliary feeding bracket; the first supporting seat is positioned between the axial feeding device and the second supporting seat, and the height of the first supporting seat is smaller than that of the second supporting seat; the inclined direction of the placing rod is the same as that of the inclined guide plate; the inclined tangent plane of the upper side of the placing rod is coplanar with the upper surface of the inclined guide plate; a blocking plate is arranged on the upper end surface of the first supporting seat; the upper end face of the blocking plate is obliquely arranged and parallel to the oblique guide plate; a front baffle is arranged on the auxiliary feeding bracket; the front baffle is positioned at one side of the first supporting seat far away from the second supporting seat, and an inclined supporting plate which is obliquely arranged is arranged on the end surface of the front baffle, which is close to the first supporting seat; one end of the inclined supporting plate, which is far away from the front baffle plate, is close to the blocking plate; the upper end surface of the blocking plate and the upper surface of the inclined supporting plate are positioned on the same inclined plane; the feeding device is used for transferring the hollow steel pipe abutting against the blocking plate to the upper end face of the blocking plate; the axial feeding device is used for driving the hollow steel tube on the inclined supporting plate to axially enter the cutting and blanking equipment.

By adopting the technical scheme, the hollow steel pipe reaches the placing rod along the upper surface of the inclined guide plate and finally abuts against the blocking plate; and then the feeding device lifts the hollow steel pipe to the upper end face of the blocking plate, the hollow steel pipe reaches the inclined supporting plate along the inclined upper end face of the blocking plate, and then the hollow steel pipe is brought onto cutting and blanking equipment by the axial feeding device, so that the structure is simple, the hollow steel pipe is convenient to transfer, and the production efficiency of the hollow steel pipe is greatly improved.

Optionally, the feeding device comprises a plurality of feeding mechanisms; the feeding mechanisms are in one-to-one correspondence with the first supporting seats; the feeding mechanism comprises a feeding lifting block which is vertically lifted and a feeding lifting assembly which is used for driving the feeding lifting block to vertically lift; the feeding lifting block is positioned right below the hollow steel pipe which abuts against the blocking plate; the upper end face of the feeding lifting block is obliquely arranged and parallel to the upper end face of the blocking plate.

By adopting the technical scheme, the feeding lifting assembly works simultaneously to drive all the feeding lifting blocks to lift simultaneously, and as the upper end faces of the feeding lifting blocks incline, in the process of lifting the hollow steel pipes, the hollow steel pipes can be limited by the vertical end faces of the blocking plates close to the feeding lifting blocks and the inclined upper end faces of the feeding lifting blocks, so that the hollow steel pipes cannot slide accidentally; when the feeding lifting block is at the uppermost end, the upper end face of the feeding lifting block and the upper end face of the blocking plate are communicated to form an inclined face in the same area, so that the hollow steel pipe moves to the inclined supporting plate in an inclined manner along the upper end face of the feeding lifting block and the upper end face of the blocking plate; the hollow steel pipe lifting device is simple in structure, convenient to lift, and capable of improving the transfer efficiency of the hollow steel pipe, and therefore production efficiency is improved.

Optionally, the axial feeding device comprises a feeding push plate moving along the axial direction of the hollow steel pipe and a feeding driving mechanism for driving the feeding push plate to move; the feeding push plate is used for abutting against one end, far away from the cutting and blanking equipment, of the hollow steel pipe.

Through adopting above-mentioned technical scheme, thereby feeding actuating mechanism drives the pay-off push pedal and removes the hollow steel pipe along preceding baffle and slope backup pad, and simple structure like this, the hollow steel pipe removes accurately.

Optionally, the cutting and blanking device comprises a cutting table, a rotary driving device and a cutting device; the rotary driving device and the cutting device are arranged on the cutting table; the rotary driving device is positioned between the auxiliary feeding equipment and the cutting device; the cutting device comprises a portal frame-shaped cutting support frame, a laser cutting head vertically moving on the cutting support frame and a cutting lifting mechanism for driving the laser cutting head to vertically lift; the cutting support frame is also provided with a horizontal driving component; the horizontal driving assembly is used for driving the hollow steel pipe to horizontally move.

By adopting the technical scheme, the hollow steel pipe reaches the horizontal driving assembly through the rotary driving device, and after the horizontal driving assembly drives the hollow steel pipe to drive the hollow steel pipe to move by one end distance, the rotary driving device drives the hollow steel pipe to rotate, and in the rotating process of the hollow steel pipe, the laser cutting head completes cutting of the hollow steel pipe; the laser cutting head rises, so that the laser cutting head is far higher than the hollow steel pipe in the moving process of the hollow steel pipe, and the laser cutting head is prevented from being damaged due to collision of the laser cutting head and the hollow steel pipe; the laser cutting head descends to enable the laser cutting head to be closer to the hollow steel pipe, and laser cutting is facilitated.

Optionally, the cutting table comprises a cutting platen; four cutting supporting feet distributed in rectangular arrays are arranged on the lower end face of the cutting bedplate; a rectangular hole-shaped blanking hole with an upper opening and a lower opening is formed in the cutting bedplate; the cutting device is positioned above the blanking hole; an auxiliary blanking device is arranged on the lower side of the cutting bedplate; the auxiliary blanking device comprises an auxiliary blanking guide frame and an auxiliary blanking bracket mechanism; the auxiliary blanking guide frame comprises an auxiliary blanking guide plate which is obliquely arranged; the auxiliary blanking guide plate is parallel to the axial direction of the hollow steel pipe, and one outward end of the auxiliary blanking guide plate is lower than one inward side; the auxiliary blanking bracket mechanism comprises a plurality of auxiliary blanking bracket components which are distributed along the axial direction of the hollow steel pipe; the auxiliary blanking bracket assembly comprises a blanking bracket and a bracket driving piece, wherein the bracket driving piece is used for driving the blanking bracket to vertically lift; a U-shaped groove-shaped placement groove matched with the hollow steel pipe is formed in the upper end face of the blanking bracket; the auxiliary blanking guide plate is provided with a plurality of vertical through holes for the blanking brackets to vertically pass through.

By adopting the technical scheme, in the cutting process, the blanking bracket rises to drag the steel pipe section to be cut, then the blanking bracket descends, and in the descending process, the steel pipe section reaches the auxiliary blanking guide plate and finally slides along the obliquely arranged auxiliary blanking guide plate, so that the position of the steel pipe section is more accurate when the steel pipe section falls, and the steel pipe section is favorable for subsequent collection and arrangement; the existence of a plurality of auxiliary blanking bracket components can adapt to the cut steel pipe sections with different lengths.

Optionally, the horizontal driving assembly includes a pair of horizontal driving parts; the horizontal driving parts are in one-to-one correspondence with the vertical parts of the cutting support frame; the horizontal driving part comprises a horizontal supporting frame horizontally moving and arranged on the vertical part of the cutting supporting frame, a horizontal driving piece for driving the horizontal supporting frame to horizontally move, a vertical roller which is arranged on the horizontal supporting frame in a vertical mode in a rotating mode and a rotary driving piece for driving the vertical roller to rotate.

Through adopting above-mentioned technical scheme, a pair of horizontal support frame can keep away from or be close to under the drive of horizontal drive piece, keeps away from when hollow steel pipe's rotation to do not influence hollow steel pipe rotation.

In summary, the beneficial effects of the invention are as follows:

1. the auxiliary feeding equipment can be fed without manual participation, and the production efficiency is improved.

2. The hollow steel tube is convenient to transfer, and the production efficiency is greatly improved

Drawings

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

Fig. 2 is a schematic view of the structure of the section A-A of fig. 1 according to the present invention.

Fig. 3 is a schematic view of the structure of the section B-B of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the structure of the section C-C of fig. 2 according to the present invention.

Fig. 5 is a partially enlarged structural schematic view of D in fig. 4 according to the present invention.

Fig. 6 is a partially enlarged structural schematic diagram of E in fig. 5 according to the present invention.

Fig. 7 is a schematic cross-sectional view of the cutting device 33 and horizontal drive assembly 35 of the present invention.

Fig. 8 is a schematic cross-sectional structural view of the end support 34 of the present invention.

Fig. 9 is a schematic front view of the cutting and blanking apparatus 30 and the auxiliary blanking device 40 according to the present invention.

Fig. 10 is a partially enlarged structural schematic view of F in fig. 9 according to the present invention.

Fig. 11 is a schematic view of the structure of the section G-G of fig. 9 according to the present invention.

Reference numerals illustrate:

10. a storage device; 11. a discharging box body; 110. a vertical guide slot; 112. lifting the moving groove; 113. an inclined guide groove; 114. a motor support plate; 115. tilting the motor support base; 116. an electric cylinder support plate; 12. a vertical driving motor; 13. a drive gear; 14. driving the threaded rod vertically; 141. a driven gear; 15. lifting the supporting plate; 151. a vertical driving block; 16. a tilt drive gear; 17. an upper row lifting seat; 170. a telescopic slot; 171. lifting the electric cylinder; 18. an inclined guide plate; 181. a tilt drive rack; 19. a telescopic limit column; 191. a telescopic electric cylinder;

20. Auxiliary feeding equipment; 21. an auxiliary feeding table; 22. a front baffle; 220. a feeding guide groove; 221. a feeding support plate; 222. a tilting support plate; 223. an upper support frame; 23. a batch placement mechanism; 231. a first support base; 232. a second support base; 233. placing a rod; 24. a side blocking plate; 25. a blocking plate; 26. a feeding lifting electric cylinder; 261. a feed lifting block; 27. a feeding driving motor; 271. a feeding driving screw; 28. a feeding push plate; 281. a connecting plate; 282. a feeding driving plate; 29. a photoelectric sensor;

30. cutting and blanking equipment; 31. cutting the bedplate; 310. a blanking hole; 311. cutting the supporting legs; 312. an auxiliary supporting frame; 314. an end vertical plate; 3140. a horizontal guide groove; 32. a rotation driving device; 321. a rotary support riser; 322. rotating the center ring; 3220. a radial guide slot; 3221. radial guide rods; 323. a driven gear ring; 324. a steel tube driving motor; 325. a drive gear; 326. a claw; 3261. a radial moving block; 327. a clamping ring; 3271. an outer connecting plate; 328. a pressure spring; 329. clamping an electric cylinder; 33. a cutting device; 331. cutting the support frame; 332. a vertical connecting plate; 333. cutting the connecting plate; 334. cutting a lifting electric cylinder; 335. a laser cutting head; 34. an end support; 341. an end supporting driving motor; 342. an end portion supports a drive screw; 343. an end support base; 3431. an end side plate; 3432. an end connection plate; 344. a horizontal telescopic electric cylinder; 345. rotating the base; 346. rotating the abutment block; 35. a horizontal drive assembly; 351. a horizontal support frame; 352. a vertical roller; 353. a rotary drive motor; 354. driving the electric cylinder horizontally;

40. An auxiliary blanking device; 41. an auxiliary blanking guide plate; 410. vertically perforating; 411. auxiliary blanking supporting feet; 412. a fixed baffle; 42. the bracket drives the electric cylinder; 43. a blanking bracket; 430. a placement groove; 44. moving the baffle; 441. moving the clamping block; 45. and a limit bolt.

Detailed Description

The application is described in further detail below with reference to fig. 1-11.

The application discloses a laser blanking machine, referring to fig. 1, comprising a storage device 10, an auxiliary feeding device 20, a cutting blanking device 30 and an auxiliary blanking device 40; the storage device 10 is used for storing batches of hollow steel pipes 100 and supplementing the auxiliary feeding device 20 with the hollow steel pipes 100; the auxiliary feeding device 20 is used for continuously providing the hollow steel pipes 100 to the cutting and blanking device 30; the cutting and blanking device 30 is used for cutting the hollow steel pipe 100 fed by the auxiliary feeding device 20 into steel pipe sections; the auxiliary blanking device 40 is used for guiding the steel pipe section cut by the cutting and blanking equipment 30.

Referring to fig. 2 and 3, the storage apparatus 10 includes a discharge box 11 having a rectangular frame shape with an upper end opened, a raw material lifting device provided on the discharge box 11, an upper row lifting device provided on an upper end of the discharge box 11, and an inclined guide plate device.

Referring to fig. 2 and 3, the raw material lifting device includes a lifting support plate 15 vertically moving and disposed in the discharge bin 11 and a lifting driving mechanism for driving the lifting support plate 15 to lift; the lifting support plate 15 is horizontally arranged and is used for placing the hollow steel pipe 100; vertical guide grooves 110 are respectively formed on the side wall of the discharge box 11, which is close to the auxiliary feeding equipment 20, and the side wall of the discharge box, which is far away from the auxiliary feeding equipment 20; vertical driving blocks 151 matched with the vertical guide grooves 110 are respectively formed on a pair of end surfaces of the lifting support plate 15; the lift drive mechanism includes a pair of vertical drive threaded rods 14 and a pair of vertical drive motors 12; the vertical driving threaded rods 14 are in one-to-one correspondence with the vertical guide grooves 110 and are pivoted between the upper and lower sidewalls of the vertical guide grooves 110 on the respective sides; the end face of the discharging box body 11, which is close to the auxiliary feeding equipment 20, and the end face of the discharging box body, which is far away from the auxiliary feeding equipment 20, are respectively formed with a motor supporting plate 114; the vertical driving motor 12 is fixed on the upper end surface of the motor support plate 114 on the corresponding side; a driving gear 13 is fixed at the upper end of an output shaft of the vertical driving motor 12; a driven gear 141 is fixed at the lower end of the vertical driving threaded rod 14; the driving gear 13 is intermeshed with the driven gear 141 of the corresponding side; the vertical driving block 151 is screwed to the vertical driving threaded rod 14 of the corresponding side.

In operation, the pair of motor support plates 114 drive the pair of vertical driving threaded rods 14 to rotate through gear transmission, and the vertical driving threaded rods 14 drive the vertical driving blocks 151 to vertically lift along the vertical guide grooves 110, so that the lifting support plates 15 are driven to vertically lift, and the lifting support plates 15 lift together with the hollow steel pipes 100 placed thereon.

Referring to fig. 2 and 3, the upper row lifting means includes a pair of upper row lifting mechanisms distributed at both sides in the axial direction of the hollow steel pipe 100; the upper row lifting mechanism comprises an upper row lifting seat 17 arranged in a lifting manner and a lifting assembly used for driving the upper row lifting seat 17 to vertically lift; a pair of lifting moving grooves 112 which vertically slide on the upper row lifting seats 17 and horizontally penetrate through the upper side walls of the pair of side walls of the discharging box body 11 and are perpendicular to the auxiliary feeding equipment 20 are respectively formed; the discharge box body 11 is perpendicular to a pair of end surfaces of the auxiliary feeding equipment 20 and is provided with electric cylinder supporting plates 116; the lifting assembly includes a plurality of uniformly distributed lifting cylinders 171 fixed on the upper end surface of the cylinder support plate 116; the upper row of lifting seats 17 are fixed to the upper ends of the piston rods of the lifting cylinders 171 of the respective sides.

Referring to fig. 2 and 3, an end limit assembly is provided on the upper row of lifting seats 17; a plurality of cylindrical expansion grooves 170 which are horizontally and uniformly distributed are respectively formed on the end surfaces of the pair of upper lifting seats 17, which are close to each other; the end limiting assembly comprises a plurality of telescopic limiting posts 19 and a plurality of telescopic driving pieces, wherein the telescopic limiting posts 19 are arranged in the telescopic slots 170 in a telescopic manner; the telescopic driving piece is a telescopic electric cylinder 191; the telescopic electric cylinders 191 are in one-to-one correspondence with the telescopic limit posts 19; the telescopic electric cylinders 191 are fixed on the end surfaces of the pair of upper lifting seats 17 which are far away from each other; the telescopic limit column 19 is cylindrical; one end of the telescopic limit column 19 is fixedly connected with a piston rod of a telescopic electric cylinder 191 at the corresponding side, and the other end of the telescopic limit column is formed into a cone shape; the diameter of the telescopic limit column 19 is larger than the inner diameter of the hollow steel tube 100.

When the telescopic limiting column is in operation, the lifting electric cylinder 171 drives the upper row lifting seats 17 to descend, so that a pair of upper row lifting seats 17 are opposite to the hollow steel pipes 100 in the uppermost row, and then the telescopic electric cylinder 191 drives the telescopic limiting column 19 to extend, and the conical part of the telescopic limiting column 19 is inserted into the end part of the hollow steel pipes 100; thus, the hollow steel pipes 100 are restrained by the pair of telescopic restraining posts 19 and the hollow steel pipes 100 are horizontally centered, and then the lifting cylinder 171 drives the upper row lifting seat 17 to rise, thereby driving the hollow steel pipes 100 of the uppermost row to rise as a whole.

Referring to fig. 2 and 3, notches are formed at the upper ends of the side walls of the discharge box 11, which are close to the auxiliary feeding device 20, and the side walls, which are far away from the auxiliary feeding device 20, respectively, and inclined guide grooves 113 are formed on a pair of side walls of the notches, which are mutually perpendicular to the auxiliary feeding device 20, respectively; the inclined guide groove 113 is arranged at one end close to the auxiliary feeding device 20 lower than one end far away from the auxiliary feeding device 20 and is provided with openings at two ends; the inclined guide plate device comprises an inclined guide plate 18 which is arranged in an inclined way and an inclined driving mechanism for driving the inclined guide plate 18 to move; both ends of the inclined guide plate 18 are slidably disposed in a pair of inclined guide grooves 113, respectively; an inclined motor supporting seat 115 is formed on the end surface of the discharging box body 11 far away from the auxiliary feeding equipment 20; the tilt driving mechanism includes a tilt driving motor fixed to the tilt motor support 115; an output shaft of the tilting drive motor is fixed with a tilting drive gear 16; the lower end surface of the inclined guide plate 18 is formed with an inclined driving rack 181; the tilt drive rack 181 is meshed with the tilt drive gear 16.

When the device works, the inclined guide plate 18 is driven to move obliquely along the pair of inclined guide grooves 113 by the rotation of the gear and the rack of the inclined driving motor, when the inclined guide plate 18 is at the uppermost end, the lifting of the blocking lifting seat 17 can be avoided, and when the inclined guide plate 18 is at the lowermost end, the lower end of the inclined guide plate 18 is close to the auxiliary feeding equipment 20, so that the hollow steel pipes 100 lifted by the pair of upper lifting seats 17 can enter the auxiliary feeding equipment 20 along the inclined guide plate 18.

Referring to fig. 1, 2 and 4, the auxiliary feeding device 20 includes an auxiliary feeding bracket, a batch placement device, a feeding device and an axial feeding device; the batch placing device, the feeding device and the axial feeding device are arranged on the auxiliary feeding bracket; the batch placement device is positioned between the axial feeding device and the storage device 10; the batch placement device is used for storing a certain number of hollow steel pipes 100; the axial feeding device conveys the hollow steel pipe 100 along the axial direction of the hollow steel pipe 100 to the cutting and blanking device 30; the feeding device is used for feeding the hollow steel pipes 100 on the batch placement device to the axial feeding device one by one.

Referring to fig. 1, 2 and 4, the auxiliary feeding bracket includes an auxiliary feeding table 21; a plurality of auxiliary feeding supporting feet which are uniformly distributed are arranged on the bottom surface of the auxiliary feeding table 21; a pair of side blocking plates 24 distributed along the axial direction of the hollow steel pipe 100 are formed on the upper end surface of the auxiliary feeding table 21; the end surfaces of the pair of side blocking plates 24, which are close to each other, are respectively flush with the pair of inner side walls of the discharge box 11, which are vertical to the hollow steel pipe 100; a front baffle 22 is formed on the upper end surface of the auxiliary feeding table 21; the front baffle 22 is parallel to the hollow steel tube 100.

Referring to fig. 1, 2 and 4, the batch placement device includes a plurality of batch placement mechanisms 23 uniformly distributed along the axial direction of the hollow steel pipe 100; the batch placement mechanism 23 is located between the front baffle 22 and the storage device 10; the batch placement mechanism 23 comprises a first support seat 231, a second support seat 232 and a plurality of cylindrical placement rods 233; the first support seat 231 and the second support seat 232 are fixed on the upper end surface of the auxiliary loading table 21 and the second support seat 232 is located between the first support seat 231 and the storage device 10; the height of the first supporting seat 231 is lower than the height of the second supporting seat 232; one end of the placing rod 233 is fixed to the upper end of the first supporting seat 231, and the other end is fixed to the upper end of the second supporting seat 232; the inclined direction of the placement lever 233 is the same as the inclined direction of the inclined guide plate 18; the inclined tangential plane of the upper side of the placement bar 233 is coplanar with the upper surface of the inclined guide plate 18; a blocking plate 25 is fixed to an upper end surface of the first supporting seat 231.

In operation, the hollow steel pipes 100 rolled down from the inclined guide plate 18 enter the placement bar 233 and are sequentially arranged, and the lowermost hollow steel pipe 100 is blocked by the plurality of blocking plates 25.

Referring to fig. 1, 2 and 4, the feeding device comprises a number of feeding mechanisms; the feeding mechanisms are in one-to-one correspondence with the first supporting seats 231; the feeding mechanism comprises a feeding lifting block 261 which is vertically lifted and a feeding lifting assembly which is used for driving the feeding lifting block 261 to vertically lift; the feeding lifting assembly comprises a feeding lifting electric cylinder 26 fixed on the upper end surface of the auxiliary feeding table 21; the feeding lifting block 261 is fixed at the upper end of a piston rod of the feeding lifting cylinder 26; the feed lifting block 261 is located directly below the hollow steel pipe 100 abutting against the blocking plate 25; the upper end face of the blocking plate 25 is obliquely arranged and the upper end face of the blocking plate 25 is parallel to the inclined guide plate 18; the upper end surface of the feed lifting block 261 is obliquely arranged and parallel to the upper end surface of the blocking plate 25; the end surface of the front baffle 22, which is close to the batch placement mechanism 23, is provided with an inclined support plate 222 which is arranged obliquely; the upper end surface of the inclined support plate 222 and the upper end surface of the blocking plate 25 are positioned on the same inclined surface; one end of the inclined support plate 222 away from the front baffle 22 is close to the blocking plate 25; an upper supporting frame 223 is formed at one end of the upper end surface of the front baffle 22, which is close to the cutting and blanking equipment 30; the upper support frame 223 is provided with a photoelectric sensor 29; the photoelectric sensor 29 is vertically opposite to the hollow steel pipe 100.

When the feeding lifting cylinder 26 works, all the feeding lifting blocks 261 are driven to synchronously lift, so that the hollow steel pipes 100 abutting against the blocking plates 25 are lifted by the feeding lifting blocks 261, when the feeding lifting blocks 261 are at the uppermost end, the upper end faces of the feeding lifting blocks 261, the blocking plates 25 and the upper end faces of the inclined supporting plates 222 are positioned on the same inclined plane, and thus the hollow steel pipes 100 roll onto the upper end faces of the inclined supporting plates 222 along the upper end faces of the feeding lifting blocks 261 and the upper end faces of the blocking plates 25 and are finally blocked by the front baffle plates 22; when the hollow steel pipe 100 is separated from the inclined support plate 222, the photoelectric sensor 29 emits an electric signal, and the electric signal is processed by the central controller to control the feeding lifting cylinder 26 to start, so that the next hollow steel pipe 100 is driven to enter the inclined support plate 222.

Referring to fig. 1, 2 and 4, the front baffle 22 is formed with a vertically penetrating horizontally disposed feed channel 220; the front baffle 22 is formed with a pair of feeding support plates 221 at the end surface far from the storage device 10; the axial feeding device comprises a feeding push plate 28 moving along the axial direction of the hollow steel pipe 100 and a feeding driving mechanism for driving the feeding push plate 28 to move; the feed driving mechanism includes a feed driving screw 271 pivoted between a pair of feed support plates 221 and a feed driving motor 27 fixed to one of the feed support plates 221; the feeding driving screw 271 is parallel to the hollow steel pipe 100; the feeding driving screw 271 is fixedly connected with an output shaft of the feeding driving motor 27; one end of the feeding push plate 28, which is close to the front baffle 22, is formed with a connecting plate 281 matched with the feeding guide groove 220; one end of the connecting plate 281, which is far away from the feeding push plate 28, is formed with a feeding driving plate 282; the feeding driving plate 282 is screw-coupled to the feeding driving screw 271.

In operation, the feeding driving motor 27 drives the feeding driving screw 271 to rotate, and the connecting plate 281 is slidably disposed in the feeding guide slot 220, so that the feeding push plate 28 can be driven to approach or separate from the cutting and blanking device 30 by the feeding driving plate 282 screwed with the feeding driving screw 271, and thus the feeding push plate 28 can drive the hollow steel pipe 100 blocked by the front baffle 22 to enter the cutting and blanking device 30 along the inclined supporting plate 222 and return after feeding is completed.

Referring to fig. 4 and 9, the cutting and blanking apparatus 30 includes a cutting table, a rotation driving device 32, a cutting device 33, and an end supporting device 34; the rotary drive 32 and the cutting device 33 and the end support 34 are arranged on the cutting table; the rotary drive device 32, the cutting device 33 and the end support device 34 are sequentially far away from the auxiliary feeding equipment 20; the rotation driving device 32 is used for driving the hollow steel pipe 100 to rotate; the cutting device 33 is used for cutting the hollow steel pipe 100; the end support 34 is used to support the end of the hollow steel tube 100 remote from the auxiliary feeding apparatus 20.

Referring to fig. 4 and 9, the cutting table includes a cutting platen 31; four cutting support feet 311 distributed in rectangular array are arranged on the lower end surface of the cutting bedplate 31; the cutting platen 31 is provided with a rectangular hole-shaped blanking hole 310 which is opened up and down. When the cutting device 33 cuts the steel pipe section from the hollow steel pipe 100, the steel pipe section may fall from the blanking hole 310.

Referring to fig. 4 and 7, the cutting device 33 includes a gantry-shaped cutting support 331 fixed on an upper end surface of the cutting platen 31, a laser cutting head 335 vertically moving provided on the cutting support 331, and a cutting elevation mechanism for driving the laser cutting head 335 to vertically elevate; the cutting lifting mechanism comprises a cutting supporting seat and a cutting lifting assembly for driving the cutting supporting seat to vertically move; the cutting lifting assembly is a cutting lifting electric cylinder 334; the cutting lifting cylinder 334 is fixed on the upper end surface of the cutting support frame 331; the cutting support seat comprises a cutting connection plate 333 vertically moving in an opening of the cutting support frame 331 and a vertical connection plate 332 formed at one end of the cutting connection plate 333 far away from the auxiliary feeding device 20; the cutting connection plate 333 is fixed at the lower end of the piston rod of the cutting lifting cylinder 334; the laser cutting head 335 is fixed to the end face of the vertical connecting plate 332 remote from the cutting support 331.

In operation, when the hollow steel pipe 100 needs to move forward, the cutting lifting cylinder 334 drives the cutting support seat to lift; thus, accidental collision with the laser cutting head 335 during the movement of the hollow steel pipe 100 can be avoided; when the hollow steel pipe 100 needs to be cut, the cutting lifting cylinder 334 drives the cutting support base to descend, so that the laser cutting head 335 approaches the hollow steel pipe 100, which is beneficial to cutting.

Referring to fig. 7 and 10, a lower end of the cutting support 331 is provided with a horizontal driving assembly 35; the horizontal driving assembly 35 is used for driving the hollow steel pipe 100 to horizontally move; the horizontal driving assembly 35 includes a pair of horizontal driving parts; the horizontal driving parts are in one-to-one correspondence with the vertical parts of the cutting support frame 331; the horizontal driving part includes a horizontal support frame 351 horizontally moving the U-shape of which the opening is horizontally oriented on the vertical part of the cutting support frame 331, a horizontal driving member for driving the horizontal support frame 351 to horizontally move, a vertically arranged vertical roller 352 rotatably arranged between a pair of horizontal parts of the horizontal support frame 351, and a rotation driving member for driving the vertical roller 352 to rotate; the horizontal driving member is a horizontal driving cylinder 354 fixed on the end surfaces of a pair of vertical parts of the cutting support frame 331 which are far away from each other; the horizontal support frames 351 are fixed on the piston rods of the horizontal driving cylinders 354 at the corresponding sides; the rotary driving piece is a rotary driving motor 353 fixed on the upper end surface of the horizontal supporting frame 351; the upper end of the vertical roller 352 is fixedly connected with the output shaft of the rotary drive motor 353.

When cutting, the pair of horizontal support frames 351 are furthest apart, and the pair of vertical rollers 352 are separated from the hollow steel pipe 100, so that the rotation of the hollow steel pipe 100 is not affected; when it is required to drive the hollow steel pipe 100 to move horizontally, the pair of horizontal driving cylinders 354 drive the pair of horizontal supporting frames 351 to approach each other, so that the pair of vertical rollers 352 abut against the hollow steel pipe 100, and then the pair of vertical rollers 352 are driven by the rotary driving motor 353 to rotate, thereby driving the hollow steel pipe 100 to move horizontally.

Referring to fig. 4 to 6 and 10, a portal frame-shaped auxiliary supporting frame 312 is formed on the upper end surface of the cutting platen 31; the rotary driving device 32 is positioned between the auxiliary supporting frame 312 and the cutting supporting frame 331; the rotation driving device 32 includes a pair of rotation support risers 321 fixed to the upper end surface of the cutting deck 31, a circular-ring cylindrical rotation center ring 322 rotatably provided on the pair of rotation support risers 321, a steel pipe stopper mechanism, and a steel pipe driving mechanism for driving the rotation center ring 322 to rotate.

Referring to fig. 4 to 6 and 10, the rotation support riser 321 is perpendicular to the axial direction of the hollow steel pipe 100; the rotation support vertical plate 321 is formed with a rotation connection hole vertically penetrating therethrough; the rotating center ring 322 is connected in a pair of rotating connecting holes through a bearing; the outer diameter of the hollow steel pipe 100 is smaller than the inner diameter of the rotation center ring 322; the steel pipe driving mechanism comprises a steel pipe driving motor 324 fixed on a rotary supporting riser 321, a driving gear 325 fixed on an output shaft of the steel pipe driving motor 324 and a coaxially arranged driven gear ring 323 fixed on an outer cylindrical surface of a rotary center ring 322; the driving gear 325 and the driven ring gear 323 are engaged with each other.

In operation, the steel tube driving motor 324 rotates, the rotating center ring 322 is driven to rotate through gear transmission, the rotating center ring 322 and the hollow steel tube 100 are connected into a whole through the steel tube limiting mechanism, and thus the rotating center ring 322 drives the hollow steel tube 100 to rotate together.

Referring to fig. 4-6 and 10, the steel pipe spacing mechanism includes a pair of steel pipe spacing assemblies; the pair of steel pipe limiting assemblies are respectively positioned at two axial ends of the rotary center ring 322; the steel pipe limiting assembly comprises a clamping claw part and a clamping part; the jaw portion includes a plurality of radially sliding jaws 326; the end face of the claw 326 near the rotary center ring 322 is provided with a radial moving block 3261; the two ends of the rotary center ring 322 are respectively formed with a plurality of radial guide grooves 3220 which are uniformly distributed along the circumference and matched with the radial moving blocks 3261; radial guide rods 3221 which are arranged radially are formed between a pair of opposite side walls of the radial guide groove 3220; the radial moving block 3261 is radially sleeved on the radial guide rod 3221 at the corresponding side; the inner side end of the radial guide rod 3221 is sleeved with a pressure spring 328; the inner side end of the compression spring 328 abuts against the inner side wall of the radial guide groove 3220, and the outer side end abuts against the radial moving block 3261; the clamping part comprises an annular clamping ring 327 and a clamping piece for driving the clamping ring 327 to axially move; the outer end surface of the end of the claw 326 away from the rotating center ring 322 is shaped into a conical surface; the conical surfaces of all the jaws 326 are on the same conical surface and the diameter of the end of this conical surface remote from the rotating central ring 322 is smaller than the diameter of the end close to the rotating central ring 322; the clamping rings 327 are sleeved on one end of all the clamping claws 326 on the corresponding side, which is far away from the rotating center ring 322, and are abutted against the conical surface; the clamping piece comprises a pair of clamping electric cylinders 329; the clamping electric cylinder 329 is fixed on the auxiliary supporting frame 312 or the cutting supporting frame 331; a pair of outer connecting plates 3271 are fixed on the clamping ring 327; the outer connecting plate 3271 is fixedly connected with the piston rod of the clamping cylinder 329 on the corresponding side.

When the hollow steel pipe 100 needs to be clamped, the pair of clamping cylinders 329 drive the pair of clamping rings 327 to be close to each other, and all the clamping jaws 326 move radially inwards due to the guiding action of the conical surface so as to clamp the hollow steel pipe 100; when the hollow steel pipe 100 needs to be released, the pair of clamping cylinders 329 drive the pair of clamping rings 327 away from each other, and all the clamping jaws 326 move radially outwards due to the action of the pressure springs 328, so that the hollow steel pipe 100 is released.

Referring to fig. 4 and 8, the upper end surface of the cutting deck plate 31, which is remote from the auxiliary feeding apparatus 20, is formed with a pair of end vertical plates 314 parallel to the hollow steel pipe 100; the end supporting means 34 includes an end supporting seat 343 horizontally moving disposed between the pair of end vertical plates 314, an end supporting driving mechanism for driving the movement of the end supporting seat 343, and a horizontal telescopic structure disposed on the end supporting seat 343.

Referring to fig. 4 and 8, the end vertical plate 314 is formed with a horizontal guide groove 3140; the end support 343 includes a pair of end side plates 3431 parallel to the hollow steel pipe 100 and an end connection plate 3432 formed between one ends of the pair of end side plates 3431 remote from the auxiliary feeding apparatus 20; horizontal guide blocks which are matched with the horizontal guide grooves 3140 are respectively formed on the end surfaces of the pair of end side plates 3431 which are far away from each other; the end support driving mechanism comprises a pair of end support driving assemblies; the end support drive assemblies are in one-to-one correspondence with the end vertical plates 314; the end support driving assembly includes a horizontally disposed end support driving screw 342 pivoted between a pair of opposite side walls of the horizontal guide groove 3140 and an end support driving motor 341 fixed on the end vertical plate 314; one end of the end supporting driving screw 342 is fixedly connected with an output shaft of the end supporting driving motor 341; the horizontal guide shoes are threaded onto the respective side end support drive screws 342.

According to the length of the steel bar section, the pair of end supporting driving screws 342 are driven by the pair of end supporting driving motors to rotate, and the horizontal guide blocks horizontally slide in the horizontal guide grooves 3140, so that the end supporting driving screws 342 in the rotating state drive the horizontal guide blocks in threaded connection with the horizontal guide blocks to horizontally slide along the horizontal guide grooves 3140, and the end supporting seat 343 is driven to horizontally move, namely, the distance between the horizontal telescopic structure and the laser cutting point is controlled, and the distance is the length of the steel bar section.

Referring to fig. 4 and 8, the horizontal telescopic structure includes a horizontal telescopic cylinder 344 horizontally fixed on an end surface of the end connecting plate 3432 near the auxiliary feeding apparatus 20; a rotating base 345 is fixed on a piston rod of the horizontal telescopic electric cylinder 344; the end surface of the rotating base 345 close to the auxiliary feeding equipment 20 is rotatably connected with a rotating abutting block 346; the rotating abutment 346 faces the hollow steel pipe 100.

In operation, the rotary abutting block 346 abuts against the end of the hollow steel pipe 100, when the hollow steel pipe 100 rotates, the rotary abutting block 346 also rotates together, and after cutting is completed, the horizontal telescopic cylinder 344 drives the rotary base 345 to be far away from the hollow steel pipe 100, namely the rotary abutting block 346 is far away from the hollow steel pipe 100, so that the cut steel pipe section is beneficial to falling.

Referring to fig. 4, 9 and 11, the auxiliary discharging device 40 is provided at the lower side of the cutting platen 31 and directly below the discharging hole 310; the auxiliary blanking device 40 comprises an auxiliary blanking guide frame and an auxiliary blanking bracket mechanism; the auxiliary blanking guide frame comprises an auxiliary blanking guide plate 41 which is obliquely arranged; a plurality of auxiliary blanking supporting legs 411 which are uniformly distributed are fixed on the bottom surface of the auxiliary blanking guide plate 41; the auxiliary blanking guide plate 41 is parallel to the axial direction of the hollow steel pipe 100 and has an outward end lower than an inward side; the auxiliary blanking bracket mechanism comprises a plurality of auxiliary blanking bracket components which are distributed along the axial direction of the hollow steel pipe 100; the auxiliary blanking bracket assembly comprises a blanking bracket 43 and a bracket driving piece for driving the blanking bracket 43 to vertically lift; the bracket driving member is a bracket driving cylinder 42; the bracket driving cylinder 42 is fixed on the ground; the blanking bracket 43 is fixed at the upper end of a piston rod of the bracket driving cylinder 42; a U-shaped groove-shaped placement groove 430 matched with the hollow steel pipe 100 is formed on the upper end surface of the blanking bracket 43; the auxiliary blanking guide 41 is provided with a number of vertical perforations 410 through which the blanking brackets 43 pass vertically.

In operation, the bracket driving cylinder 42 to be started is selected according to the length of the steel pipe section, when the bracket driving cylinder 42 at the corresponding side drives the blanking bracket 43 on the bracket driving cylinder to vertically ascend, so that the steel pipe section is positioned in the placement groove 430 of the blanking bracket 43, when the steel pipe section is cut from the hollow steel pipe 100, the bracket driving cylinder 42 at the corresponding side drives the blanking bracket 43 on the bracket driving cylinder to vertically descend, so that the steel pipe section descends together, and during the descending process, the blanking bracket 43 passes through the vertical perforation 410, and the steel pipe section is detained on the auxiliary blanking guide plate 41 and finally rolls down along the obliquely arranged auxiliary blanking guide plate 41, thus facilitating the collection and arrangement of the subsequent steel pipe section.

Referring to fig. 9 and 11, a fixed baffle 412 is fixed on an upper end surface of the auxiliary blanking guide plate 41 and a moving baffle 44 is movably provided; the movable baffle 44 is positioned on the side of the fixed baffle 412 away from the auxiliary feeding device 20 and the moving direction is parallel to the axial direction of the hollow steel pipe 100; a pair of moving clamping blocks 441 are formed on the lower end surface of the moving baffle 44; a pair of movable clamping blocks 441 respectively clamped at the upper end and the lower end of the auxiliary blanking guide plate 41; the movable clamping block 441 is horizontally penetrated and connected with a limit bolt 45 in a threaded manner; the inner end of the limit bolt 45 abuts against the auxiliary blanking guide plate 41.

During operation, the distance between the movable baffle 44 and the fixed baffle 412 can be adjusted according to the length of the steel pipe section, and during adjustment, the movable baffle 44 can be adjusted by unscrewing a pair of limit bolts 45; the moving baffle 44 and the fixed baffle 412 function to block the unexpected rolling deflection of the steel pipe sections.

The working principle of the laser blanking machine provided by the application is as follows:

when the steel pipe discharging box is in operation, bundled hollow steel pipes 100 are placed into the discharging box body 11 through a travelling crane, and then bundling ropes are cut off, so that the hollow steel pipes 100 are dispersed in the discharging box body 11 in parallel; then the lifting support plate 15 is intermittently lifted to enable the hollow steel pipes 100 to intermittently lift in a row, then a pair of upper lifting seats 17 are lifted down, then two groups of telescopic limit posts 19 extend to enable conical parts of the telescopic limit posts to be inserted into two ends of the hollow steel pipes 100 in the uppermost row, then the pair of upper lifting seats 17 are lifted back, then the inclined guide plate 18 is obliquely moved down, then the pair of telescopic limit posts 19 are sequentially retracted, the hollow steel pipes 100 sequentially fall down to the inclined guide plate 18 and roll to the placing rod 233 along the upper end face of the inclined guide plate 18, then all feeding lifting blocks 261 drive the hollow steel pipes 100 at the bottommost to lift up, under the guiding action of the upper end face of the blocking plate 25, the feeding push plate 28 moves to the cutting and blanking equipment 30 to drive the hollow steel pipes 100 to pass through the rotary driving device 32 and the horizontal driving assembly 35 until the front ends abut against the rotary abutting blocks 346, and then the rotary driving device 32 drives the hollow steel pipes 100 to rotate, in the process, the cutting device 33 cuts the hollow steel pipes 100, and the cut sections enter into the subsequent collecting and blanking device 40 under the action of the auxiliary blanking device 40; after cutting a section of steel pipe, the horizontal driving assembly 35 drives the hollow steel pipe 100 to move until the front end again abuts against the rotary abutting block 346; laser cutting is performed again according to the principles described above.

The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. A laser blanking machine which is characterized in that: comprises a storage device (10), an auxiliary feeding device (20) and a cutting and blanking device (30); the storage device (10) is used for storing batches of hollow steel pipes (100) and supplementing the auxiliary feeding device (20) with the hollow steel pipes (100); the auxiliary feeding equipment (20) is used for continuously providing the hollow steel tube (100) for the cutting and blanking equipment (30); the cutting and blanking equipment (30) is used for cutting the hollow steel pipe (100) into steel pipe sections; the storage equipment (10) comprises a rectangular frame-shaped discharging box body (11) with an opening at the upper end, an upper row lifting device and an inclined guide plate device, wherein the upper row lifting device and the inclined guide plate device are arranged at the upper end of the discharging box body (11); the upper lifting device comprises a pair of upper lifting mechanisms which are distributed on two axial sides of the hollow steel pipe (100); the upper row lifting mechanism comprises an upper row lifting seat (17) which is arranged in a lifting manner and a lifting assembly which is used for driving the upper row lifting seat (17) to vertically lift; an end limiting assembly is arranged on the upper row of lifting seats (17); the pair of end limiting assemblies are matched with each other to grasp the hollow steel pipes (100) in the uppermost row; the inclined guide plate device comprises an inclined guide plate (18) which is obliquely arranged at the upper end of the discharging box body (11) and an inclined driving mechanism for driving the inclined guide plate (18) to move; the inclined guide plate (18) is obliquely arranged, and one end far away from the auxiliary feeding equipment (20) is higher than one end close to the auxiliary feeding equipment (20); the inclination direction of the inclined guide plate (18) is the same as the moving direction thereof.

2. A laser blanking machine according to claim 1, characterized in that: the end limiting assembly comprises a plurality of telescopic limiting columns (19) and a plurality of telescopic driving pieces, wherein the telescopic limiting columns are vertically arranged on the end face, close to the hollow steel pipe (100), of the upper row of lifting seats (17) in a telescopic mode; the telescopic driving pieces are in one-to-one correspondence with the telescopic limiting columns (19) and are used for driving the telescopic limiting columns (19) at the corresponding sides to stretch; the telescopic limit column (19) is cylindrical, and one end, close to the hollow steel tube (100), of the telescopic limit column is conical; the diameter of the telescopic limit column (19) is larger than the inner diameter of the hollow steel tube (100).

3. A laser blanking machine according to claim 1, characterized in that: the storage equipment (10) further comprises a raw material lifting device arranged on the discharge box body (11); the raw material lifting device comprises a lifting supporting plate (15) vertically arranged in the discharging box body (11) in a moving mode and a lifting driving mechanism for driving the lifting supporting plate (15) to lift; the lifting support plate (15) is horizontally arranged and is used for placing the hollow steel tube (100).

4. A laser blanking machine according to claim 1, characterized in that: the auxiliary feeding equipment (20) comprises an auxiliary feeding bracket, a batch placing device, a feeding device and an axial feeding device; the batch placement device, the feeding device and the axial feeding device are arranged on the auxiliary feeding bracket; the batch placement device is positioned between the axial feeding device and the storage equipment (10); the batch placement device is used for storing a certain number of hollow steel pipes (100); the axial feeding device is used for conveying the hollow steel pipe (100) to the cutting and blanking equipment (30) along the axial direction of the hollow steel pipe (100); the feeding device is used for feeding the hollow steel pipes (100) on the batch placement device to the axial feeding device one by one.

5. The laser blanking machine of claim 4, wherein: the batch placement device comprises a plurality of batch placement mechanisms (23) which are uniformly distributed along the axial direction of the hollow steel pipe (100); the batch placement mechanism (23) comprises a first support seat (231), a second support seat (232) and a plurality of cylindrical placement rods (233) which are arranged between the first support seat (231) and the upper end of the second support seat (232) and uniformly distributed along the axial direction of the hollow steel tube (100); the first supporting seat (231) and the second supporting seat (232) are arranged on the auxiliary feeding bracket; the first supporting seat (231) is positioned between the axial feeding device and the second supporting seat (232), and the height of the first supporting seat (231) is smaller than that of the second supporting seat (232); the inclination direction of the placement rod (233) is the same as the inclination direction of the inclined guide plate (18); the inclined tangential plane of the upper side of the placement rod (233) is coplanar with the upper surface of the inclined guide plate (18); a blocking plate (25) is arranged on the upper end surface of the first supporting seat (231); the upper end surface of the blocking plate (25) is obliquely arranged and is parallel to the oblique guide plate (18); a front baffle (22) is arranged on the auxiliary feeding bracket; the front baffle plate (22) is positioned on one side of the first supporting seat (231) far away from the second supporting seat (232), and an inclined supporting plate (222) which is obliquely arranged is arranged on the end surface of the front baffle plate (22) close to the first supporting seat (231); one end of the inclined support plate (222) away from the front baffle plate (22) is close to the blocking plate (25); the upper end surface of the blocking plate (25) and the upper surface of the inclined supporting plate (222) are positioned on the same inclined plane; the feeding device is used for transferring the hollow steel pipe (100) abutted against the blocking plate (25) to the upper end face of the blocking plate (25); the axial feeding device is used for driving the hollow steel tube (100) on the inclined supporting plate (222) to axially enter the cutting and blanking equipment (30).

6. The laser blanking machine of claim 5, wherein: the feeding device comprises a plurality of feeding mechanisms; the feeding mechanisms are in one-to-one correspondence with the first supporting seats (231); the feeding mechanism comprises a feeding lifting block (261) which is vertically lifted and a feeding lifting assembly which is used for driving the feeding lifting block (261) to vertically lift; the feeding lifting block (261) is positioned right below the hollow steel pipe (100) abutted against the blocking plate (25); the upper end face of the feeding lifting block (261) is obliquely arranged and parallel to the upper end face of the blocking plate (25).

7. The laser blanking machine of claim 5, wherein: the axial feeding device comprises a feeding push plate (28) which moves along the axial direction of the hollow steel pipe (100) and a feeding driving mechanism for driving the feeding push plate (28) to move; the feeding push plate (28) is used for abutting against one end, far away from the cutting and blanking equipment (30), of the hollow steel pipe (100).

8. A laser blanking machine according to claim 1, characterized in that: the cutting and blanking equipment (30) comprises a cutting table, a rotary driving device (32) and a cutting device (33); the rotary drive (32) and the cutting device (33) are arranged on the cutting table; the rotary driving device (32) is positioned between the auxiliary feeding equipment (20) and the cutting device (33); the cutting device (33) comprises a portal frame-shaped cutting support frame (331), a laser cutting head (335) vertically arranged on the cutting support frame (331) in a moving mode, and a cutting lifting mechanism for driving the laser cutting head (335) to vertically lift; the cutting support frame (331) is also provided with a horizontal driving component (35); the horizontal driving assembly (35) is used for driving the hollow steel pipe (100) to horizontally move.

9. The laser blanking machine of claim 8, wherein: the cutting table comprises a cutting platen (31); four cutting supporting feet (311) distributed in rectangular arrays are arranged on the lower end surface of the cutting bedplate (31); a rectangular hole-shaped blanking hole (310) with an upper opening and a lower opening is formed in the cutting platen (31); the cutting device (33) is positioned above the blanking hole (310); an auxiliary blanking device (40) is arranged on the lower side of the cutting bedplate (31); the auxiliary blanking device (40) comprises an auxiliary blanking guide frame and an auxiliary blanking bracket mechanism; the auxiliary blanking guide frame comprises an auxiliary blanking guide plate (41) which is obliquely arranged; the auxiliary blanking guide plate (41) is parallel to the axial direction of the hollow steel pipe (100) and one outward end is lower than one inward side; the auxiliary blanking bracket mechanism comprises a plurality of auxiliary blanking bracket components which are distributed along the axial direction of the hollow steel pipe (100); the auxiliary blanking bracket assembly comprises a blanking bracket (43) and a bracket driving piece for driving the blanking bracket (43) to vertically lift; a U-shaped groove-shaped placement groove (430) matched with the hollow steel pipe (100) is formed on the upper end surface of the blanking bracket (43); the auxiliary blanking guide plate (41) is provided with a plurality of vertical perforations (410) for vertically penetrating the blanking brackets (43).

10. A laser blanking machine according to claim 9, wherein: the horizontal driving assembly (35) comprises a pair of horizontal driving parts; the horizontal driving parts are in one-to-one correspondence with the vertical parts of the cutting support frames (331); the horizontal driving part comprises a horizontal supporting frame (351) horizontally moving on the vertical part of the cutting supporting frame (331), a horizontal driving piece for driving the horizontal supporting frame (351) to horizontally move, a vertical roller (352) vertically arranged on the horizontal supporting frame (351) in a rotating mode and a rotary driving piece for driving the vertical roller (352) to rotate.