CN117773362B - Template laser cutting equipment and cutting method for high-speed railway bridge construction - Google Patents

Template laser cutting equipment and cutting method for high-speed railway bridge construction Download PDF

Info

Publication number
CN117773362B
CN117773362B CN202410076905.0A CN202410076905A CN117773362B CN 117773362 B CN117773362 B CN 117773362B CN 202410076905 A CN202410076905 A CN 202410076905A CN 117773362 B CN117773362 B CN 117773362B
Authority
CN
China
Prior art keywords
template
cut
positioning
fixed
laser cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202410076905.0A
Other languages
Chinese (zh)
Other versions
CN117773362A (en
Inventor
刘绪文
陈运波
刘银华
胡攀峰
蒋佳
田太平
程千里
石团伟
罗正洪
黄牡娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway No 5 Engineering Group Co Ltd
Second Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Original Assignee
China Railway No 5 Engineering Group Co Ltd
Second Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway No 5 Engineering Group Co Ltd, Second Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd filed Critical China Railway No 5 Engineering Group Co Ltd
Priority to CN202410076905.0A priority Critical patent/CN117773362B/en
Publication of CN117773362A publication Critical patent/CN117773362A/en
Application granted granted Critical
Publication of CN117773362B publication Critical patent/CN117773362B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Laser Beam Processing (AREA)

Abstract

The invention relates to the technical field of laser cutting equipment, in particular to template laser cutting equipment and a cutting method for construction of a high-speed railway bridge, which are convenient for a longitudinal positioning part to adjust the longitudinal position of a template to be cut by lifting the template to be cut through a lifting roller part, and ensure the position of the template to be cut placed each time to be consistent through the combined action of the longitudinal positioning part and the transverse positioning part so as to avoid larger notch errors caused by position deviation; after cutting work is finished, through the centering calibration piece in the vertical location portion reverse slip, carry the cooperation frame synchronous motion who carries the leftover bits, later through turning to the drive assembly and take the cooperation frame to rotate certain inclination, be convenient for pour the leftover bits into the waste material splendid attire spare, save the step that the workman clear up the mesa with unnecessary waste material, save time, improved machining efficiency.

Description

Template laser cutting equipment and cutting method for high-speed railway bridge construction
Technical Field
The invention relates to the technical field of laser cutting equipment, in particular to template laser cutting equipment and a cutting method for construction of a high-speed railway bridge.
Background
The laser cutting is to irradiate the workpiece with a focused high-power-density laser beam to make the irradiated material melt, vaporize or reach the ignition point rapidly, and simultaneously blow out the molten material by means of a high-speed air flow coaxial with the beam, thereby realizing the cutting of the workpiece, and is one of the thermal cutting methods for cutting the workpiece.
Laser cutting has the following advantages: 1. the laser cutting can obtain better cutting quality due to small laser spot, high energy density and high cutting speed; 2. the cutting torch is not contacted with the workpiece during laser cutting, so that the abrasion of the tool is avoided; 3. parts with different shapes are processed, the cutter is not required to be replaced, and only the output parameters of the laser are required to be changed; 4. the laser cutting process has low noise, small vibration, no pollution and the like.
In the prior art, when a template for construction of a high-speed railway bridge is cut by laser, the following problems mainly exist: 1. because laser cutting is comparatively stable, when cutting the template, most be with the template direct placement on the workstation, later laser cutting machine is according to the position of walking of setting and is cut the template, but because the accuracy of the position of placing at every turn is difficult to guarantee when placing the template, can have relative cutting error, lead to the incision skew and the size of template different, influence follow-up cut template and carry out neat hem welding work.
2. After the cutting work is finished, the common laser cutting equipment needs workers to immediately clean the cut waste on the workbench, so that the manual cleaning efficiency is low, and the time of continuous cutting work is delayed.
Therefore, in order to solve the problems of cutting errors and lower efficiency of manually cleaning waste materials caused by inaccurate template placement positions, the invention provides template laser cutting equipment and a cutting method for high-speed railway bridge construction.
Disclosure of Invention
The invention provides template laser cutting equipment and a cutting method for high-speed railway bridge construction, which are used for solving the problems of lower efficiency of manually cleaning waste materials and cutting errors caused by inaccurate template placement positions in the related technology.
The invention provides template laser cutting equipment for construction of a high-speed railway bridge, which comprises the following components: the device comprises a mounting substrate, wherein a positioning unit and a cutting unit are fixedly arranged at the upper end of the mounting substrate, and the positioning unit is positioned between the cutting units.
The positioning unit comprises an upright bedplate, the upper end of a mounting substrate is symmetrically and fixedly arranged between the cutting units, the upright bedplate is fixedly provided with a fixed carrying plate, rectangular through holes are uniformly formed in the fixed carrying plate, the lower side of the fixed carrying plate is fixedly provided with a lifting roller part, the lifting roller part is provided with a longitudinal positioning part, the upright bedplate is symmetrically provided with a matched sliding chute, the longitudinal positioning part is connected with the matched sliding chute in a sliding fit manner, the upper end of the mounting substrate is fixedly provided with a waste containing piece in a front-back symmetry manner relative to the lifting roller part, and the upper end of the upright bedplate is commonly provided with a transverse positioning part.
In one embodiment, the lifting roller part comprises a mounting table, the upper end of a mounting substrate is fixedly arranged on the lower side of a fixed carrying plate, an electric telescopic part is uniformly and fixedly arranged on the mounting table, lifting support plates are fixedly arranged on the upper ends of telescopic rods of the electric telescopic part together, the lifting support plates are in sliding fit with the upright bedplate, cylindrical grooves are formed in the upper ends of the mounting table and correspond to the telescopic rods of the electric telescopic part one by one, a first spring sleeved on the telescopic rods of the electric telescopic part is fixedly connected with the bottom end of the cylindrical grooves, roller assemblies are uniformly arranged on the upper ends of the first spring and the lifting support plates, and rectangular through holes correspondingly formed in the upper sides of the roller assemblies can be penetrated through the roller assemblies.
In one embodiment, the longitudinal positioning portion comprises an L-shaped positioning piece, the L-shaped positioning piece is symmetrically and fixedly installed on the mounting table, a sliding driving piece is fixedly installed on the L-shaped positioning piece, a centering calibration piece is slidably arranged at the upper end of the sliding driving piece, a steering driving assembly is arranged on the centering calibration piece, a matching net frame is symmetrically and fixedly connected on the steering driving assembly, one end, far away from the centering calibration piece, of the matching net frame is fixedly connected with a connecting round rod, a matching sliding block is slidably arranged in the matching sliding groove, an installation connecting piece is fixedly installed at the upper end of the matching sliding block and is respectively in rotary connection with the corresponding connecting round rod, a torsion spring is sleeved on the connecting round rod, one end of the torsion spring is fixedly connected with the installation connecting piece, and the other end of the torsion spring is fixedly connected with the matching net frame.
In one embodiment, the horizontal positioning portion comprises a mounting side plate, the upper end of the upright platen is fixedly provided with the mounting side plate, the mounting side plate is uniformly and rotatably connected with a belt wheel barrel, the belt wheel barrel is uniformly and spirally connected with a threaded rod, one end of the threaded rod, which is close to the fixed carrying plate, is fixedly provided with a stabilizing component, the upper end of the upright platen is fixedly provided with a motor I, the rear side of the mounting side plate is fixedly provided with a positioning support, one side of the upper end of the upright platen, which is positioned on an output shaft of the motor, is fixedly provided with a driving belt wheel, the positioning support is rotatably connected with a driving belt wheel, and the output shaft of the motor I is fixedly connected with the driving belt wheel barrel through a transmission belt.
In one embodiment, the stabilizing component comprises an inverted L-shaped calibration plate, one end of a threaded rod, which is close to a fixed carrying plate, is fixedly provided with the inverted L-shaped calibration plate, one end of a vertical plate of the inverted L-shaped calibration plate, which is far away from the threaded rod, is slidably provided with a pressing plate, the upper end of the pressing plate is connected with a horizontal plate of the inverted L-shaped calibration plate through springs which are arranged, the middle part of the lower end of the vertical plate of the inverted L-shaped calibration plate is fixedly provided with a sliding lug, the lower end of the sliding lug is provided with balls in a rolling manner, the positions of the sliding lugs are provided with limiting sliding grooves in one-to-one correspondence, sliding fit is realized between the sliding lugs and the limiting sliding grooves, and the balls are in rolling connection with the inner bottom ends of the limiting grooves.
In one embodiment, the steering driving assembly comprises a transmission rod, the middle part of the centering calibration member is rotationally connected with the transmission rod, a transmission gear is fixedly installed in the middle part of the transmission rod, a matched net frame is fixedly connected on the transmission rod in a bilateral symmetry manner, a motor II is fixedly installed on one side, close to the fixed carrying plate, of the centering calibration member, an output shaft of the motor II is fixedly connected with a driving gear, the driving gear is rotationally connected with the centering calibration member, the driving gear and the transmission gear are in meshed transmission through a driven gear, and the driven gear is rotationally connected with the centering calibration member.
In one embodiment, the cutting unit comprises positioning slide rails, the left and right symmetrical fixing mounting of the upper end of the mounting substrate is provided with positioning slide rails, sliding bottom blocks are arranged on the positioning slide rails in a sliding mode, a single-door support is fixedly mounted at the upper ends of the sliding bottom blocks together, and a laser cutting portion is arranged on the single-door support.
In one embodiment, the roller assembly comprises a mounting support, the front and back of the upper end of the lifting support plate are uniformly and fixedly provided with bilateral symmetry mounting supports, a fixed round shaft rod is rotatably connected between the left and right opposite mounting supports, and the fixed round shaft rod is rotatably connected with a rotary roller.
The invention also provides a template laser cutting method for the construction of the high-speed railway bridge, which comprises the following steps:
s1, placing a template: the template to be cut is placed on the fixed carrying plate, and is lifted upwards by a certain distance through the lifting roller part, so that the template to be cut leaves the upper end face of the fixed carrying plate for a certain distance.
S2, longitudinal positioning: the template to be cut at the upper end of the lifting roller part is longitudinally centered and adjusted through the longitudinal positioning part, and then the template to be cut is stably placed at the upper end of the fixed carrying plate through descending of the lifting roller part, so that longitudinal positioning work is completed.
S3, transverse positioning: and (3) carrying out transverse centering adjustment on the template to be cut in the step (S2) through the transverse positioning part, and simultaneously pressing the template to be cut on the upper end of the fixed carrier plate through the transverse positioning part, so that the transverse positioning work of the template to be cut is finally completed.
S4, laser cutting: the template to be cut is cut through the cutting unit to remove four corners of the template, and the cut template can be subjected to subsequent flanging welding work.
S5, removing waste: the cut templates are lifted by the lifting roller parts to be conveniently moved out, and the corner scraps are poured into the scrap holding part by the rotation inclination angle of the longitudinal positioning part.
In summary, the present invention includes at least one of the following beneficial technical effects:
1. The invention provides template laser cutting equipment and a cutting method for high-speed railway bridge construction, which are characterized in that a template to be cut is lifted through a lifting roller part, a longitudinal positioning part can conveniently adjust the longitudinal position of the template to be cut, after longitudinal positioning, the template to be cut is transversely centered through a transverse positioning part, the upper ends of the left side and the right side of the template to be cut can be fixed and pressed to a certain extent while being centered, finally the template to be cut is tightly fixed at the upper end of a fixed carrying plate, and the position of the template to be cut placed each time is ensured to be consistent through the combined action of the longitudinal positioning part and the transverse positioning part, so that larger incision errors caused by position deviation are avoided; after cutting work is finished, through the centering calibration piece in the vertical location portion reverse slip, carry the cooperation frame synchronous motion who carries the leftover bits, later through turning to the drive assembly and take the cooperation frame to rotate certain inclination, be convenient for pour the leftover bits into the waste material splendid attire spare, save the step that the workman clear up the mesa with unnecessary waste material, save time, improved machining efficiency.
2. According to the lifting roller part, the template to be cut is lifted or put down by controlling the up-and-down displacement of the lifting supporting plate, the lifting supporting plate is lifted to enable the roller assembly to lift the template to be cut before the cutting work is started, the longitudinal positioning part is convenient for adjusting the front and back positions of the template to be cut, and the lifting supporting plate is lifted to lift the cut template after the cutting work is finished, so that the template to be cut is convenient to take out.
3. The stabilizing component provided by the invention is characterized in that along with the uniform-speed pushing of the inverted L-shaped calibration plate, the pressing plate can slide into the upper end of the template to be cut and is pressed on the upper end of the template under the action of the second spring; the rolling resistance of the set balls is small, the inverted L-shaped calibration plate can move transversely conveniently, and meanwhile, the linear limit can be carried out on the movement of the inverted L-shaped calibration plate through the cooperation of the limiting sliding chute and the sliding protrusion.
In addition to the technical problems, technical features constituting the technical solutions, and beneficial effects caused by the technical features of the technical solutions described above, other technical problems that can be solved based on the template laser cutting device and the cutting method for construction of a high-speed rail bridge provided by the embodiment of the present application, other technical features included in the technical solutions, and beneficial effects caused by the technical features will be further described in detail in the detailed description.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of an undeposited form according to the present invention.
Fig. 3 is a schematic view of the transverse vertical half-section structure of the present invention.
Fig. 4 is a cross-sectional view taken along A-A of fig. 3 in accordance with the present invention.
Fig. 5 is an enlarged view of the invention at M in fig. 4.
Fig. 6 is a schematic view of a longitudinal vertical half-section of the present invention.
Fig. 7 is an enlarged view of the invention at N in fig. 6.
Fig. 8 is a B-B cross-sectional view of fig. 6 in accordance with the present invention.
Fig. 9 is an enlarged view of the invention at center F of fig. 8.
Fig. 10 is a C-C cross-sectional view of fig. 6 in accordance with the present invention.
Fig. 11 is an enlarged view of the present invention at the middle L of fig. 10.
Fig. 12 is a D-D cross-sectional view of fig. 6 in accordance with the present invention.
Fig. 13 is an enlarged view of the invention at the center H of fig. 12.
Reference numerals:
1. A mounting substrate; 2. a positioning unit; 21. an upstanding platen; 22. fixing a carrying plate; 23. a lifting roller part; 231. a mounting table; 232. an electric telescopic member; 233. lifting the supporting plate; 234. a cylindrical groove; 235. a first spring; 236. a roller assembly; 2361. a mounting support; 2362. fixing a round shaft lever; 2363. rotating the roller; 24. a longitudinal positioning portion; 241. an L-shaped positioning piece; 242. a slip driving member; 243. centering the calibration member; 244. a steering drive assembly; 2441. a transmission rod; 2442. a transmission gear; 2443. a second motor; 2444. a drive gear; 2445. a driven gear; 245. matching with a net frame; 246. connecting round rods; 247. matching with a sliding block; 248. installing a connecting piece; 249. a torsion spring; 25. matching with the sliding groove; 26. a waste container; 27. a lateral positioning portion; 271. installing a side plate; 272. a pulley drum; 273. a threaded rod; 274. a stabilizing assembly; 2741. an inverted L-shaped calibration plate; 2742. pressing the plate; 2743. a second spring; 2744. a sliding bump; 2745. a ball; 2746. limiting sliding grooves; 275. a first motor; 276. positioning a support; 277. a driving pulley; 278. a transmission belt; 3. a cutting unit; 31. positioning a sliding rail; 32. a sliding bottom block; 33. a single door bracket; 34. a laser cutting section; I. and (5) cutting the template.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, a template laser cutting device for construction of a high-speed railway bridge includes: the device comprises a mounting substrate 1, a positioning unit 2 and a cutting unit 3, wherein the positioning unit 2 and the cutting unit 3 are fixedly arranged at the upper end of the mounting substrate 1, and the positioning unit 2 is positioned between the cutting units 3.
Referring to fig. 2 and 3, the positioning unit 2 includes an upright platen 21, a fixed carrier plate 22, a lifting roller portion 23, a longitudinal positioning portion 24, a matching chute 25, a waste container 26 and a transverse positioning portion 27, the upright platen 21 is symmetrically and fixedly mounted on the upper end of the mounting substrate 1 and between the cutting units 3, the fixed carrier plate 22 is fixedly mounted on the upright platen 21 together, rectangular through holes are uniformly formed on the fixed carrier plate 22, the lifting roller portion 23 is fixedly mounted on the lower side of the fixed carrier plate 22 and the upper end of the mounting substrate 1, the longitudinal positioning portion 24 is provided on the lifting roller portion 23, the matching chute 25 is symmetrically formed on the upright platen 21, the longitudinal positioning portion 24 is connected with the matching chute 25 in a sliding fit manner, the waste container 26 is fixedly mounted on the upper end of the mounting substrate 1 and in front-back symmetry about the lifting roller portion 23, and the transverse positioning portion 27 is commonly provided on the upper end of the upright platen 21.
Firstly, placing a template I to be cut with four corners on a fixed carrier plate 22, wherein the template I to be cut is not easy to adjust the longitudinal position under the condition that the template I to be cut is attached to the fixed carrier plate 22 and the longitudinal length is long because of a certain weight, therefore, the template I to be cut can be lifted up through a lifting roller part 23, after leaving the upper end face of the fixed carrier plate 22, the template I to be cut can be conveniently centered and adjusted by a longitudinal positioning part 24 on the lifting roller part 23, after being longitudinally positioned, the lifting roller part 23 descends to enable the template I to be cut to be placed on the upper end of the fixed carrier plate 22 again, then the template I to be cut is transversely centered and adjusted by a transverse positioning part 27, the upper ends of the left side and the right side of the template I to be cut can be fixedly pressed when being centered and positioned, and finally the template I to be tightly fixed on the upper end of the fixed carrier plate 22, and the longitudinal positioning part 24 and the transverse positioning part 27 are used together to ensure that the positions of the template I to be cut to be placed each time are consistent, and the notch errors caused by position deviation are avoided; after the template I to be cut is fixed, the four corners of the template I to be cut are linearly cut by moving the cutting unit 3 so as to cut the four corners; after the cutting is finished, the transverse positioning part 27 is separated from the template in advance, then the longitudinal positioning part 24 brings the cut scrap away from the cut template, and then the cut template is lifted up again through the lifting roller part 23 so as to be conveniently moved out of the positioning unit 2; finally, the leftover materials are poured into the waste material containing piece 26 through the longitudinal positioning part 24, so that the time for workers to pick up and clean the leftover materials is saved, and the next round of cutting work can be continuously performed.
Referring to fig. 3, 6 and 10, the lifting roller 23 includes a mounting table 231, an electric telescopic member 232, a lifting support plate 233, a cylindrical slot 234, a first spring 235 and a roller assembly 236, wherein the mounting table 231 is fixedly mounted at the upper end of the mounting substrate 1 and at the lower side of the fixed carrying plate 22, the electric telescopic member 232 is uniformly and fixedly mounted on the mounting table 231, the lifting support plate 233 is fixedly mounted at the upper ends of the telescopic rods of the electric telescopic member 232 together, the lifting support plate 233 is in sliding fit with the upright platen 21, the cylindrical slots 234 are formed at the upper ends of the mounting table 231 and at the telescopic rods of the electric telescopic member 232 in one-to-one correspondence, the first spring 235 is fixedly connected with the first spring 235 sleeved on the telescopic rod of the electric telescopic member 232, the upper ends of the first spring 235 are fixedly connected with the lifting support plate 233, the roller assembly 236 is uniformly mounted at the front and back of the upper end of the lifting support plate 233, and the roller assembly 236 can pass through rectangular through holes correspondingly arranged above the roller assembly 236.
The up-and-down displacement of the lifting support plate 233 is realized by controlling the extension or retraction of the electric telescopic piece 232 and the telescopic rod thereof, and the arranged spring I235 can play roles of buffering, damping and stabilizing support; before the cutting work starts, the lifting support plate 233 is lifted to a certain height, so that the roller assembly 236 can extend out of the rectangular through hole for a certain distance to lift the template I to be cut, the longitudinal positioning part 24 is convenient for adjusting the front and back positions of the template I to be cut, and after the longitudinal centering positioning, the lifting support plate 233 moves downwards, so that the roller assembly 236 carries the template I to be cut to be placed at the upper end of the fixed carrier plate 22 again; after the cutting operation is finished, the lifting support plate 233 is lifted to a certain height, so that the roller assembly 236 can extend out of the rectangular through hole to be higher than the height of the template to be cut by the first lifting, and the cut template can be conveniently taken away.
Referring to fig. 3, 6 and 8, the roller assembly 236 includes a mounting support 2361, a fixed axle rod 2362 and a rotating roller 2363, the mounting support 2361 is uniformly and fixedly mounted on the upper end of the lifting support plate 233 in front and back, the fixed axle rod 2362 is rotatably connected between the mounting supports 2361 opposite to each other in the left and right direction, and the rotating roller 2363 is rotatably connected to the fixed axle rod 2362; because the rotating roller 2363 is rotatable on the fixed shaft 2362, when the die plate I to be cut is in contact with the rotating roller 2363 only, the friction between the die plate I to be cut and the rotating roller 2363 is small, and displacement adjustment can be facilitated under the pushing of the longitudinal positioning portion 24.
Referring to fig. 6, 8, 12 and 13, the longitudinal positioning portion 24 includes an L-shaped positioning member 241, a sliding driving member 242, a centering alignment member 243, a steering driving member 244, a mating frame 245, a connecting rod 246, a mating slider 247, a mounting connection member 248 and a torsion spring 249, the L-shaped positioning member 241 is symmetrically and fixedly mounted on the mounting table 231, the sliding driving member 242 is fixedly mounted on the L-shaped positioning member 241, the centering alignment member 243 is slidably disposed at the upper end of the sliding driving member 242, the steering driving member 244 is fixedly disposed on the centering alignment member 243, the mating frame 245 is fixedly connected with the connecting rod 246 at the end of the steering driving member 244 far from the centering alignment member 243, the mating slider 247 is slidably disposed in the mating chute 25, the mounting connection member 248 is fixedly mounted at the upper end of the mating slider 247, the mounting connection member 248 is rotatably connected with the corresponding connecting rod 246, the torsion spring 249 is sleeved on the connecting rod 246, one end of the torsion spring 249 is fixedly connected with the mounting connection member 248, and the other end is fixedly connected with the mating frame 245.
The centering calibration pieces 243 are driven by the sliding driving piece 242, so that the centering calibration pieces 243 on the front side and the rear side of the template I to be cut move in opposite directions, the template I to be cut is pushed, and finally the template I to be cut is positioned at the center in the longitudinal direction; after the cutting operation is finished, the centering calibration piece 243 slides reversely, the matching net frame 245 carrying the leftover bits moves synchronously, and then the steering driving component 244 rotates a certain inclination angle with the matching net frame 245, so that the leftover bits are conveniently poured into the waste containing piece 26, the step of cleaning the table top by redundant leftover bits is omitted, the time is saved, and the efficiency is improved; the torsion spring 249 has a certain torsion force, ensures that the matched net frame 245 is in a horizontal position in a state that the steering driving assembly 244 is not started, and only under the driving of the steering driving assembly 244, the matched net frame 245 synchronously rotates along with the steering driving assembly 244, and the corner scraps on the matched net frame 245 are dismounted when rotating at a certain inclination angle.
Referring to fig. 7 and 9, the steering driving assembly 244 includes a driving rod 2441, a driving gear 2442, a second motor 2443, a driving gear 2444 and a driven gear 2445, the driving rod 2441 is rotatably connected to the upper middle part of the centering calibration member 243, the driving gear 2442 is fixedly mounted in the upper middle part of the driving rod 2441, the second motor 2443 is fixedly mounted on one side of the centering calibration member 243, which is close to the fixed carrier plate 22, and the output shaft of the second motor 2443 is fixedly connected with the driving gear 2444, the driving gear 2444 is rotatably connected with the centering calibration member 243, the driving gear 2444 is meshed with the driving gear 2442 through the driven gear 2445, and the driven gear 2445 is rotatably connected with the centering calibration member 243; the first motor 275 drives the driving gear 2444 to rotate, the driving gear 2444 drives the driven gear 2445 to rotate, the driven gear 2445 drives the driving gear 2442 to rotate again, and finally the driving gear 2442 and the driving gear 2444 synchronously rotate in the same direction, so that the steering and rotation angle control of the driving rod 2441 is realized, the left matching screen frame 245 and the right matching screen frame 245 are driven by the driving rod 2441 to rotate in the same direction and at the same angle, and the corner scraps on the matching screen frame 245 are convenient to fall into the scraps containing piece 26.
Referring to fig. 4,5 and 11, the transverse positioning portion 27 includes a mounting side plate 271, a pulley barrel 272, a threaded rod 273, a fixing component 274, a first motor 275, a positioning support 276, a driving pulley 277 and a driving belt 278, wherein the mounting side plate 271 is fixedly mounted at the upper end of the upright platen 21, the pulley barrel 272 is uniformly and rotatably connected to the mounting side plate 271, the threaded rod 273 is fixedly mounted at one end of the threaded rod 273, which is close to the fixed carrier plate 22, the fixing component 274 is fixedly mounted at the upper end of the upright platen 21 and is positioned at the rear side of the mounting side plate 271, a first motor 275 is fixedly mounted at the upper end of the upright platen 21 and is positioned at one side of the output shaft of the first motor 275, a positioning support 276 is fixedly mounted at the upper end of the positioning support 276, the output shaft of the first motor 275 is fixedly connected to the driving pulley 277, and the driving pulley 277 is in driving connection with the same side of the driving pulley 278 through the driving belt 278; the driving pulley 277 is driven to rotate through the motor one 275, the rotating force of the driving pulley 277 is transmitted to the connected pulley barrel 272 through the transmission belt 278, the pulley barrel 272 synchronously rotates in the same direction to drive the threaded rods 273 on the same side to move in the same direction, the threaded rods 273 arranged on the left side and the right side can enable the corresponding fixing components 274 to synchronously move in opposite directions, and finally, the fixing components 274 on the two sides center the template I to be cut and realize stable positioning.
Referring to fig. 5 and 11, the stabilizing assembly 274 includes an inverted L-shaped calibration plate 2741, a pressing plate 2742, a second spring 2743, a sliding bump 2744, a ball 2745 and a limiting chute 2746, wherein one end of the threaded rod 273, which is close to the fixed carrying plate 22, is fixedly provided with the inverted L-shaped calibration plate 2741, one end of the vertical plate of the inverted L-shaped calibration plate 2741, which is far away from the threaded rod 273, is slidably provided with the pressing plate 2742, the upper end of the pressing plate 2742 is connected with the horizontal plate of the inverted L-shaped calibration plate 2741 through the second spring 2743, which is arranged in each of the two ends, a sliding bump 2744 is fixedly arranged in the middle of the lower end of the vertical plate of the inverted L-shaped calibration plate 2741, the lower end of the sliding bump 2744 is provided with a ball 2745 in a rolling manner, the position of the fixed carrying plate 22, which corresponds to the sliding bump 2744 one by one, is provided with the limiting chute 2746, the sliding bump 2744 is slidably matched with the limiting chute 2746, and the ball 2745 is in rolling connection with the inner bottom end of the limiting chute 2746.
The threaded rod 273 moves to enable the inverted L-shaped calibration plate 2741 to approach the template I to be cut, the pressing plate 2742 firstly contacts the template I to be cut, the pressing plate 2742 finally slides into the upper end of the template along with uniform speed pushing of the inverted L-shaped calibration plate 2741 and is pressed on the upper end of the template under the action of the spring II 2743, and when the vertical plate of the inverted L-shaped calibration plate 2741 contacts the template I to be cut, the template I to be cut can be centered in the transverse direction; the two-way positioning and pressing of the template I to be cut can be realized through the stabilizing component 274, so that the template I to be cut is stabilized at the upper end of the fixed carrier plate 22; the rolling resistance of the set ball 2745 is small, the threaded rod 273 can push the inverted L-shaped calibration plate 2741 to move transversely conveniently, and meanwhile, the cooperation of the limiting chute 2746 and the sliding lug 2744 can limit the inverted L-shaped calibration plate 2741 stably and linearly.
Referring to fig. 2 and 3, the cutting unit 3 includes a positioning rail 31, a sliding bottom block 32, a single door bracket 33 and a laser cutting portion 34, the positioning rail 31 is symmetrically and fixedly mounted on the upper end of the mounting substrate 1, the sliding bottom blocks 32 are slidably disposed on the positioning rail 31, the single door bracket 33 is fixedly mounted on the upper ends of the sliding bottom blocks 32, and the laser cutting portion 34 is disposed on the single door bracket 33; after the template I to be cut is fixed by the positioning unit 2, the sliding bottom block 32 is controlled to move forwards and backwards to drive the single door bracket 33 to adjust the position in the longitudinal direction, and the laser cutting part 34 is controlled to adjust the transverse position on the single door bracket 33, so that the cutting work of the corners of the template I to be cut is finally completed.
In addition, the invention also provides a template laser cutting method for the construction of the high-speed railway bridge, which comprises the following steps:
S1, placing a template: the template I to be cut is placed on the fixed carrier plate 22, and is lifted upwards by a certain distance through the lifting roller part 23, so that the template I to be cut is separated from the upper end surface of the fixed carrier plate 22 by a certain distance.
S2, longitudinal positioning: the template I to be cut, which is positioned at the upper end of the lifting roller part 23, is centered in the longitudinal direction by the longitudinal positioning part 24, and then the template I to be cut is stably placed at the upper end of the fixed carrier plate 22 by the descending of the lifting roller part 23, so that the longitudinal positioning work is completed.
S3, transverse positioning: the template I to be cut in the S2 is transversely centered and adjusted through the transverse positioning part 27, meanwhile, the transverse positioning part 27 can compress the template I to be cut on the upper end of the fixed carrying plate 22, and finally the transverse positioning work of the template I to be cut is completed.
S4, laser cutting: the template I to be cut is cut by the cutting unit 3 to remove four corners of the template I, and the cut template can be subjected to subsequent flanging welding work.
S5, removing waste: the cut form is lifted by the lifting roller portion 23 for removal, and the scrap is poured into the scrap receptacle 26 by rotating the longitudinal positioning portion 24 at an inclination angle.
The working principle of the invention is as follows: firstly, placing a template I to be cut with four corners on a fixed carrier plate 22, lifting the template I to be cut through a lifting roller part 23, centering and adjusting the template I to be cut on a longitudinal positioning part 24 on the lifting roller part 23 after the template I to be cut leaves the upper end surface of the fixed carrier plate 22, and lowering the lifting roller part 23 after longitudinal positioning to enable the template I to be cut to be placed at the upper end of the fixed carrier plate 22 again, and then centering and adjusting the template I to be cut through a transverse positioning part 27, wherein the upper ends of the left and right sides of the template I to be cut can be fixed and pressed to a certain extent while centering and positioning, finally the template I to be cut is tightly fixed at the upper end of the fixed carrier plate 22, and the longitudinal positioning part 24 and the transverse positioning part 27 are used together to ensure that the positions of the template I to be cut placed each time are consistent, so that larger notch errors caused by position deviation are avoided; after the template I to be cut is fixed, the four corners of the template I to be cut are linearly cut by moving the cutting unit 3 so as to cut the four corners; after the cutting is finished, the transverse positioning part 27 is separated from the template in advance, then the longitudinal positioning part 24 brings the cut scrap away from the cut template, and then the cut template is lifted up again through the lifting roller part 23 so as to be conveniently moved out of the positioning unit 2; finally, the leftover materials are poured into the waste material containing piece 26 through the longitudinal positioning part 24, so that the time for workers to pick up and clean the leftover materials is saved, and the next round of cutting work can be continuously performed.
In the description of the present invention, it should be understood that the terms "middle," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," "axial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features which is indicated. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.

Claims (8)

1. Template laser cutting equipment for construction of high-speed railway bridge, characterized by, include: the device comprises a mounting substrate (1), a positioning unit (2) and a cutting unit (3), wherein the positioning unit (2) and the cutting unit (3) are fixedly arranged at the upper end of the mounting substrate (1), and the positioning unit (2) is positioned between the cutting units (3); wherein:
The positioning unit (2) comprises an upright bedplate (21), a fixed carrying plate (22), lifting roller parts (23), longitudinal positioning parts (24), matching sliding grooves (25), waste containing parts (26) and transverse positioning parts (27), wherein the upright bedplate (21) is symmetrically and fixedly arranged at the upper end of the mounting substrate (1) and between the cutting units (3), the fixed carrying plate (22) is fixedly arranged on the upright bedplate (21), rectangular through holes are uniformly formed in the fixed carrying plate (22), the lifting roller parts (23) are fixedly arranged at the upper end of the mounting substrate (1) and are positioned at the lower side of the fixed carrying plate (22), the longitudinal positioning parts (24) are arranged on the lifting roller parts (23), the matching sliding grooves (25) are symmetrically formed in the front and rear of the upright bedplate (21), the longitudinal positioning parts (24) are connected with the matching sliding grooves (25) in a sliding fit mode, the waste containing parts (26) are symmetrically and fixedly arranged at the front and rear of the upper end of the mounting substrate (1) and are provided with the transverse positioning parts (27) together;
The vertical positioning part (24) comprises an L-shaped positioning part (241), a sliding driving part (242), a centering calibration part (243), a steering driving assembly (244), a matched net frame (245), a connecting round rod (246), a matched sliding block (247), a mounting connection part (248) and a torsion spring (249), wherein the L-shaped positioning part (241) is fixedly arranged on the mounting table (231) in a front-back symmetrical mode, the sliding driving part (242) is fixedly arranged on the L-shaped positioning part (241), the centering calibration part (243) is fixedly arranged at the upper end of the sliding driving part (242), the steering driving assembly (244) is fixedly arranged on the centering calibration part (243), the matched net frame (245) is fixedly connected with the end, far away from the centering calibration part (243), of the matched net frame (245), the round rod (245) is fixedly connected with the connecting round rod (247), the matched sliding block (247) is arranged in the matched sliding groove (25), the mounting connection part (248) is fixedly arranged at the upper end of the matched sliding block (247), the mounting connection part (248) is fixedly connected with the corresponding round rod (246), the other end of the net frame (249) is fixedly connected with the torsion spring (249).
2. The template laser cutting device for construction of a high-speed railway bridge according to claim 1, wherein: lifting roller portion (23) are including mount pad (231), electric telescopic spare (232), lift backup pad (233), cylinder groove (234), first spring (235) and roller subassembly (236), mount pad (1) upper end and be located fixed year thing board (22) downside fixed mounting have mount pad (231), even fixed mounting has electric telescopic spare (232) on mount pad (231), lifting support board (233) are fixed mounting jointly to telescopic link upper end of electric telescopic spare (232), and sliding fit between lifting support board (233) and the upright platen (21), cylinder groove (234) have all been seted up in telescopic link department of mount pad (231) upper end and one-to-one electric telescopic spare (232), first spring (235) of cylinder groove (234) inner bottom fixedly connected with cover on the telescopic link of electric telescopic spare (232) are established, first spring (235) upper end all with lifting support board (233) fixed connection, lifting support board (233) upper end front and back evenly are provided with roller subassembly (236), rectangular through-hole that roller subassembly (236) all can pass its top correspondence and set up.
3. The template laser cutting device for construction of a high-speed railway bridge according to claim 1, wherein: the transverse positioning part (27) comprises a mounting side plate (271), a belt pulley barrel (272), a threaded rod (273), a stabilizing component (274), a motor I (275), a positioning support (276), a driving pulley (277) and a transmission belt (278), wherein the mounting side plate (271) is fixedly mounted at the upper end of the upright platen (21), the belt pulley barrel (272) is uniformly and rotatably connected to the mounting side plate (271), the threaded rod (273) is fixedly mounted at one end, close to a fixed carrying plate (22), of the threaded rod (273), the stabilizing component (274) is fixedly mounted at one end, close to the fixed carrying plate (22), of the threaded rod (273), the motor I (275) is fixedly mounted at the upper end of the upright platen (21) and is positioned at the rear side of the mounting side plate (271), the positioning support (276) is fixedly mounted at one side of the output shaft of the motor I (275), the driving pulley (277) is rotatably connected to the positioning support (276), and the output shaft of the motor I (275) is fixedly connected with the driving pulley (277), and the driving pulley (277) is in transmission connection with the belt (272) at the same side.
4. A template laser cutting device for construction of a high-speed railway bridge according to claim 3, wherein: the utility model provides a firm subassembly (274) is including falling L shape calibration board (2741), press board (2742), spring two (2743), slip lug (2744), ball (2745) and spacing spout (2746), threaded rod (273) are close to the equal fixed mounting of one end of fixed year thing board (22) and have falling L shape calibration board (2741), the one end that threaded rod (273) was kept away from to the vertical board of falling L shape calibration board (2741) is provided with pressing board (2742) in the slip, be connected through all with spring two (2743) that set up between pressing board (2742) upper end and the horizontal plate of falling L shape calibration board (2741), the lower extreme middle part fixed mounting of the vertical board of falling L shape calibration board (2741) has slip lug (2744), the lower extreme roll of slip lug (2744) is provided with ball (2745), be provided with spacing spout (2746) on fixed year thing board (22) in one-to-one correspondence slip lug (44) position, sliding fit between slip lug (2744) and spacing spout (2746), ball (2745) are connected with spacing interior bottom (2746).
5. The template laser cutting device for construction of a high-speed railway bridge according to claim 1, wherein: steering drive subassembly (244) include transfer line (2441), drive gear (2442), motor two (2443), driving gear (2444) and driven gear (2445), middle part rotation is connected with transfer line (2441) on centering calibration piece (243), middle part fixed mounting has drive gear (2442) on transfer line (2441), bilateral symmetry fixedly connected with cooperation frame (245) on transfer line (2441), one side fixed mounting that is close to fixed carrier plate (22) on centering calibration piece (243) has motor two (2443), motor two (2443) output shaft fixedly connected with driving gear (2444), rotate between driving gear (2444) and centering calibration piece (243) and be connected, through driven gear (2445) meshing transmission between driving gear (2444) and drive gear (2442), and rotate between driven gear (2445) and centering calibration piece (243).
6. The template laser cutting device for construction of a high-speed railway bridge according to claim 1, wherein: the cutting unit (3) comprises a positioning slide rail (31), a sliding bottom block (32), a single door bracket (33) and a laser cutting part (34), wherein the positioning slide rail (31) is fixedly installed at the upper end of the installation base (1) in a bilateral symmetry manner, the sliding bottom block (32) is slidably arranged on the positioning slide rail (31), the single door bracket (33) is fixedly installed at the upper end of the sliding bottom block (32), and the laser cutting part (34) is arranged on the single door bracket (33).
7. The template laser cutting device for construction of high-speed railway bridge according to claim 2, wherein: roller subassembly (236) are including installing support (2361), fixed round shaft pole (2362) and rotation roller (2363), and even fixed mounting has bilateral symmetry's installing support (2361) around lifting support board (233) upper end, rotates between the relative installing support (2361) of controlling and is connected with fixed round shaft pole (2362), all rotates on fixed round shaft pole (2362) and is connected with rotation roller (2363).
8. The template laser cutting device for construction of a high-speed railway bridge according to claim 1, wherein: the invention also provides a template laser cutting method for the construction of the high-speed railway bridge, which comprises the following steps:
S1, placing a template: placing the template (I) to be cut on a fixed carrying plate (22), and lifting the template by a certain distance upwards through a lifting roller part (23) so that the template (I) to be cut leaves the upper end surface of the fixed carrying plate (22) for a certain distance;
S2, longitudinal positioning: the template (I) to be cut at the upper end of the lifting roller part (23) is longitudinally centered and adjusted through the longitudinal positioning part (24), and then the template (I) to be cut is stably placed at the upper end of the fixed carrying plate (22) through the lowering of the lifting roller part (23), so that the longitudinal positioning work is completed;
S3, transverse positioning: the template (I) to be cut in the S2 is transversely centered and adjusted through the transverse positioning part (27), meanwhile, the template (I) to be cut can be pressed on the upper end of the fixed carrying plate (22) through the transverse positioning part (27), and finally the transverse positioning work of the template (I) to be cut is completed;
S4, laser cutting: cutting the template (I) to be cut through a cutting unit (3) to remove four corners of the template, wherein the cut template can be subjected to subsequent flanging welding work;
S5, removing waste: the cut templates are lifted by the lifting roller part (23) so as to be convenient to remove, and the leftover scraps are poured into the scrap containing part (26) by the rotation inclination angle of the longitudinal positioning part (24).
CN202410076905.0A 2024-01-18 2024-01-18 Template laser cutting equipment and cutting method for high-speed railway bridge construction Active CN117773362B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410076905.0A CN117773362B (en) 2024-01-18 2024-01-18 Template laser cutting equipment and cutting method for high-speed railway bridge construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410076905.0A CN117773362B (en) 2024-01-18 2024-01-18 Template laser cutting equipment and cutting method for high-speed railway bridge construction

Publications (2)

Publication Number Publication Date
CN117773362A CN117773362A (en) 2024-03-29
CN117773362B true CN117773362B (en) 2024-06-18

Family

ID=90390942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410076905.0A Active CN117773362B (en) 2024-01-18 2024-01-18 Template laser cutting equipment and cutting method for high-speed railway bridge construction

Country Status (1)

Country Link
CN (1) CN117773362B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214934679U (en) * 2021-06-29 2021-11-30 山东华上印刷科技有限公司 Paperboard cutting residual waste paper packaging device with automatic weighing function
CN217072933U (en) * 2022-02-24 2022-07-29 中山市贯艺石材有限公司 Bridge type stone cutting machine for artificial stone table board
CN219520862U (en) * 2023-04-03 2023-08-15 安徽易桦机电设备有限公司 Automatic metal sheet laser cutting machine of location pan feeding
CN220127720U (en) * 2023-06-29 2023-12-05 济南浩达铝业有限公司 Aluminum plate's slitting cutting device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120032072A (en) * 2010-09-28 2012-04-05 정천섭 The laser cutting machine for cutting to mineral including to gemstone
JP5620890B2 (en) * 2011-08-15 2014-11-05 小池酸素工業株式会社 Cutting method and cutting apparatus
CN103394916B (en) * 2013-08-07 2016-03-02 吴振泉 Adopt uncoiling blanking production equipment and the processing method of laser cutting technique
CN212191739U (en) * 2020-04-10 2020-12-22 沧州硕晨伟业电气设备有限公司 Laser cutting machine is used in processing of case unit cabinet
CN111673515A (en) * 2020-05-28 2020-09-18 株洲天一自动焊接装备有限公司 Stainless steel core plate cutting method and positioning tool used for same
TR202011526A2 (en) * 2020-07-20 2020-09-21 Dener Makina Sanayi Ve Ticaret Ltd Sirketi
CN216882337U (en) * 2022-03-01 2022-07-05 泉州市智善通风工程有限公司 Laser flat cutting machine workbench
CN116038161A (en) * 2023-02-16 2023-05-02 深圳浩大数控设备有限公司 CNC numerical control high-precision cutting equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN214934679U (en) * 2021-06-29 2021-11-30 山东华上印刷科技有限公司 Paperboard cutting residual waste paper packaging device with automatic weighing function
CN217072933U (en) * 2022-02-24 2022-07-29 中山市贯艺石材有限公司 Bridge type stone cutting machine for artificial stone table board
CN219520862U (en) * 2023-04-03 2023-08-15 安徽易桦机电设备有限公司 Automatic metal sheet laser cutting machine of location pan feeding
CN220127720U (en) * 2023-06-29 2023-12-05 济南浩达铝业有限公司 Aluminum plate's slitting cutting device

Also Published As

Publication number Publication date
CN117773362A (en) 2024-03-29

Similar Documents

Publication Publication Date Title
CN111702395B (en) Welding machine and welding process suitable for channel steel
CN117773362B (en) Template laser cutting equipment and cutting method for high-speed railway bridge construction
CN213135676U (en) Welding tool table applied to automatic welding system
CN209557494U (en) A kind of auxiliary powder device of the copper sheathing of self-lubricating bearing
CN218745548U (en) Steel member laser spot welding equipment
CN209969871U (en) Numerical control laser cutting machine
CN216227584U (en) Laser flat-bottom opening flattening machine
CN215787073U (en) High-speed cutting device for amorphous strip
CN212666204U (en) Cutting machine adjusting device
CN213764465U (en) Welding pressure and displacement control mechanism that sinks
CN210523862U (en) Perforating device of bassinet automobile body
CN219986558U (en) Laser cutting processing table
CN221247295U (en) Integrated device for spot welding positioning, moving and welding of filter element framework
CN216177556U (en) Device for adjusting height of galvanometer
CN214446848U (en) Mining belt cutting device
CN117415664B (en) Automatic workpiece conveying device for cutter production
CN218592090U (en) Laser cutting fixed station
CN215966321U (en) Variable feeding device of double-end numerical control lathe
CN217618297U (en) Annular beveling machine
CN218253774U (en) Knurling and worm fastening machine
CN217702339U (en) Perforating device for sheet metal working
CN215098782U (en) Packaging machine tool with adjustable height
CN217096233U (en) Workbench for laser cutting machine
CN219403576U (en) Numerical control vertical shaft round table surface grinding machine
CN220445553U (en) Automatic welding jig

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant