CN217749844U

CN217749844U - Air draft dust removal device of laser cutting machine and laser cutting machine

Info

Publication number: CN217749844U
Application number: CN202220231770.7U
Authority: CN
Inventors: 李卫超; 郭方佳; 路世强
Original assignee: Jinan Bodor Laser Co Ltd
Current assignee: Jinan Bodor Laser Co Ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-11-08
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to a laser cutting machine convulsions dust collector and laser cutting machine belongs to laser cutting equipment field. The technical scheme is that the air draft dust removal device of the laser cutting machine comprises a certain number of flap valve assemblies and trigger pieces, wherein a flap is hinged at an air port of each flap valve assembly, an overturning driving assembly is arranged at one end of a hinge shaft of each flap valve assembly, each overturning driving assembly comprises a vertically arranged lifting rod, and the lower end of each lifting rod is connected with the hinge shaft; the trigger piece can move along the arrangement direction of the flap valve component and press the lifting rod downwards, so that the flap is overturned and lifted around the hinge shaft. The beneficial effects of the utility model are that, adopt mechanical type structure drive dust removal flap valve, compare in revolving cylinder or telescopic cylinder saved electric control system, reduced the fault rate, alleviateed in the later stage use troubleshooting, work such as maintenance of trouble, the ingenious manufacturing and use of being convenient for of structure simultaneously, no electric component has avoided system debugging, reduction equipment cost.

Description

Air draft dust removal device of laser cutting machine and laser cutting machine

Technical Field

The utility model relates to a laser cutting equipment field especially relates to a laser cutting machine convulsions dust collector to and a laser cutting machine.

Background

The laser cutting is to irradiate the metal plate with focused high-power-density laser beam to melt, gasify, ablate or reach the burning point of the metal plate, and blow off the molten material with the help of high-speed airflow coaxial with the laser beam, thereby realizing the cutting of the metal plate. Compared with the methods of plasma cutting, flame cutting, linear cutting and the like, the laser cutting has the advantages of small heat affected zone, high cutting speed, good cutting quality and the like, and is rapidly and widely applied to the cutting processing of metal plates.

Current laser cutting machine can produce a large amount of smoke and dust at the cutting in-process, for solving this problem, generally set up convulsions dust removal air flue on laser cutting machine, be provided with a plurality of flap valves on the air flue, through electrical control system, the flap valve at the corresponding processing position of control is convulsions to the position of current processing, inhales central processing in the air flue with the smoke and dust, owing to adopt electrical control system, needs accurate carrying out program control, various automatically controlled executive component lead to the system complexity to rise, troubleshooting and the maintenance work in the use of not being convenient for.

Disclosure of Invention

The utility model discloses the dust removal flap valve to present laser cutting machine adopts electrical control, and the problem that the system is complicated provides a laser cutting machine convulsions dust collector.

In order to solve the problems, the technical scheme adopted by the utility model is that the air draft dust removal device of the laser cutting machine comprises a flap valve component, a turnover driving component and a trigger component, wherein the flap valve component comprises an air pipe, one side of the air pipe is provided with an air port communicated with the inside of the air pipe, a turnover plate is hinged in the air port, and the turnover plate is fixedly connected with a hinged shaft of the turnover plate; the overturning driving component is arranged at one end of the hinge shaft, and the top end of the overturning driving component is higher than the bottom surface of the triggering component; the trigger piece can move along the length direction of the air pipe, and the trigger piece can press the turnover driving assembly to enable the turnover plate to be turned and lifted around the hinge shaft. This device is when using, the side of the workstation of flap valve subassembly setting at laser cutting machine, and will trigger the piece and install on laser head gantry beam, in the course of working, gantry beam drives and triggers a synchronous motion, trigger the piece and push down the upset drive assembly that corresponds the position, the drive flap valve is opened, can carry out convulsions dust removal to the position of laser head current processing promptly, this device adopts mechanical type structure drive dust removal flap valve, compare in revolving cylinder or telescopic cylinder and saved electrical control system, the fault rate has been reduced, the troubleshooting of trouble in the later stage use has been alleviateed, work such as maintenance, the ingenious manufacturing and use of being convenient for of structure simultaneously, no electric element, system debugging has been avoided, equipment cost is reduced.

Preferably, the turnover driving component comprises a lifting rod and a transmission structure, and the lower end of the lifting rod is connected with the hinge shaft of the turnover plate through the transmission structure.

Preferably, the transmission structure comprises an eccentric connecting rod fixedly installed at one end of a hinge shaft, the eccentric connecting rod is connected with the lifting rod through an intermediate connecting rod, one end of the eccentric connecting rod is fixedly connected with the hinge shaft, the other end of the eccentric connecting rod is hinged with one end of the intermediate connecting rod, and the other end of the intermediate connecting rod is hinged with the lower end of the lifting rod. And a link mechanism is adopted, so that the manufacturing is convenient and the action is accurate.

Preferably, the wind gap protrusion is in the outer wall of tuber pipe, and the both ends of articulated shaft are articulated with the both sides wall in wind gap respectively, and upset drive assembly still includes guide rail and slider, and the guide rail is installed on the outer wall in tuber pipe or wind gap, and the slider is installed on the lifter, and guide rail and slider cooperation are connected. The slider track is arranged, the motion is stable and smooth in the lifting process, and the triggering resistance is small.

Preferably, the turnover driving assembly further comprises a reset spring, the reset spring is vertically arranged, one end of the reset spring is connected with the lifting rod, and the other end of the reset spring is connected with the outer wall of the air pipe or the air port. The trigger piece moves away the back in time and turns over board automatic re-setting, closes the wind gap beyond the processing position, ensures that convulsions position wind pressure is stable.

Preferably, the upper end of the turnover driving component is provided with a roller, and a rotating shaft of the roller is horizontally arranged and is vertical to the movement direction of the trigger piece; the trigger piece is in a strip plate shape, the length of the trigger piece is along the length direction of the air pipe, a beveled part is arranged at the end part of the trigger piece, and the horizontal position of the rotating shaft of the roller is lower than the bottom surface of the trigger piece. By adopting the trigger piece with a certain length, when the laser head moves in a certain area, the flap valve at the corresponding position can be kept opened, continuous air draft and dust removal in the machining process can be ensured, and the dust removal effect is improved; meanwhile, the lifting rod is in contact with the trigger piece through the roller, so that resistance is reduced in the moving process of the trigger piece, and the moving precision of the gantry beam is guaranteed.

Preferably, the transmission structure comprises a gear and a rack which are meshed with each other, the rack is arranged at the bottom of the lifting rod, the gear is fixedly arranged at the end part of the hinged shaft, and the lifting rod drives the turning plate to rotate along the hinged shaft through the gear and rack meshed structure in the lifting process.

On the other hand, the utility model provides a laser cutting machine, including table surface and longmen crossbeam, the longmen crossbeam is located table surface's top and can removes along table surface's length direction, still includes foretell laser cutting machine convulsions dust collector, and the flap valve subassembly is provided with the multiunit and sets gradually in table surface's one side or both sides, and the bottom surface at longmen crossbeam correspondence end is installed to the trigger, and the trigger can remove along with the longmen crossbeam to push down upset drive assembly in proper order along the direction of movement.

Preferably, the length of the trigger piece is not less than the distance between the lifting rods of two adjacent flap valve assemblies. Make the switching of adjacent flap valve subassembly link up more smoothly, keep having at least one wind gap and be in the open mode, guarantee dust removal effect.

Can find out through above technical scheme, the utility model has the advantages of: the mechanical structure is adopted for triggering, and compared with a rotary cylinder or a telescopic cylinder, an electrical control system is omitted, the failure rate is reduced, and the work of troubleshooting, maintenance and the like in the later use process is reduced; the automatic reset mechanism is arranged, the turnover plate can be automatically closed after the trigger piece is moved away through the elastic force of the spring and the gravity of the balancing weight, and the air pressure of the current air draft position is ensured; the trigger piece is in a strip plate shape, when the laser head moves in a certain area, the flap valve at the corresponding position can be kept opened, continuous air draft and dust removal can be ensured in the machining process, the dust removal effect is improved, and the friction resistance between the trigger piece and the lifting rod is small; the air draft dust removal device is ingenious in structure, convenient to manufacture and use and free of electric elements, system debugging is avoided, and device cost is reduced; and simultaneously, the utility model provides a laser cutting machine adopts above-mentioned dust collector, the stable performance, and the fault rate is low, is convenient for investigate and maintain, and equipment cost is low.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a first schematic structural diagram of a flap valve assembly according to an embodiment of the present invention.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is an enlarged view of fig. 3 at C.

Fig. 6 is a schematic structural diagram of a flap valve assembly according to an embodiment of the present invention.

In the figure: 1. the device comprises a gantry beam, 2 parts of a trigger part, 2-1 parts of a beveling part, 3 parts of a working table top, 4 parts of a flap valve component, 5 parts of rollers, 6 parts of a lifting rod, 7 parts of a balancing weight, 8 parts of a flap, 9 parts of an air pipe, 10 parts of a sliding block, 11 parts of a guide rail, 12 parts of an eccentric connecting rod, 13 parts of an intermediate connecting rod, 14 parts of a bearing with a seat and 15 parts of a return spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is obvious that the embodiments described below are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

As shown in fig. 1-6, an air-draft dust removal device of a laser cutting machine comprises a flap valve assembly 4 and a trigger member 2, wherein the flap valve assembly 4 comprises an air pipe 9, the air pipe 9 can adopt a square air pipe, a round air pipe and other types of pipelines, the trigger member 2 can move along the length direction of the air pipe 9, one side of the air pipe 9 is provided with an air port communicated with the inside of the air pipe 9, the air port protrudes out of the outer wall of the air pipe 9, the air port and the air pipe 9 form a T-shaped pipeline structure, a flap 8 is hinged in the air port, the flap 8 is fixedly connected with a hinged shaft thereof, two ends of the hinged shaft are respectively installed on two side walls of the air port through a bearing with a seat 14, one end of the hinged shaft is provided with an overturning driving assembly, the overturning driving assembly comprises a vertically-arranged lifting rod 6 and a transmission structure, the transmission structure comprises an eccentric connecting rod 12 arranged at one end of the lifting rod 6, the eccentric connecting rod 12 is connected with the lifting rod 6 through an intermediate connecting rod 13, one end of the eccentric connecting rod 12 is fixedly connected with the hinged shaft, the top end of the lifting rod 6 is higher than the top end of the trigger member 2, a roller 5 arranged on the bottom surface of the hinged shaft, and the lifting rod 5 moves vertically; the trigger 2 is in a strip plate shape, the length of the trigger is arranged along the length direction of the air pipe, the end part of the trigger 2 is provided with a bevel part 2-1, the horizontal position of the rotating shaft of the roller 5 is lower than the plane of the trigger 2, when the trigger contacts the roller 5, the bevel part 2-1 contacts with the end face circle of the roller 5 in a tangent mode, along with the pushing of the trigger, the bevel edge at the front end of the bevel part 2-1 gradually presses down the roller 5 to enable the lifting rod 6 to descend, the hinged shaft is driven by the middle connecting rod 13 and the eccentric connecting rod 12 to drive the turnover plate to rotate and lift, the air port is opened, and meanwhile, as the trigger 2 has a certain length, when the trigger 2 moves in a certain travel range, the lifting rod 6 can be kept in a pressing-down state, namely air suction and dust removal can be continuously carried out;

except the link mechanism, the transmission structure of the turnover driving component can also adopt a gear and rack meshing structure, namely, a vertical rack is arranged at the lower end of the lifting rod 6, a gear is arranged at the end part of the hinged shaft, the gear and the rack are meshed to realize transmission, and then the turnover plate 8 is driven to open.

The outer wall of the air port is provided with a guide rail 11, the guide rail 11 is arranged vertically, the lifting rod 6 is provided with a slide block 10, the guide rail 11 is connected with the slide block 10 in a matching manner, lifting guiding and supporting of the lifting rod 6 are realized, the turnover driving assembly further comprises a return spring 15, the return spring 15 is arranged vertically, a vertical plate is arranged above the side wall of the air port where the turnover driving assembly is arranged, the return spring 15 is a tension spring, the lower end of the return spring 15 is connected with the lifting rod 6, and the upper end of the return spring 15 is connected with the air pipe 9 or the outer wall of the air port; or, the reset spring is a pressure spring, the lower end of the pressure spring is connected with the outer wall of the air port, and the upper end of the pressure spring is connected with the lifting rod 6; the return spring 15 can drive the lifting rod 6 to ascend, so that the turnover plate 8 is restored to be in a vertical state; articulated shaft one end or both ends fixed mounting have balancing weight 7, and when turning over the board and being located the vertical plane, the barycenter of balancing weight 7 is located the articulated shaft under, and the balancing weight can cooperate reset spring 15, makes jointly to turn over board 8 and resets.

On the other hand, the utility model provides a laser cutting machine, including table surface 3 and longmen crossbeam 1, longmen crossbeam 1 is located table surface 3's top and can removes along table surface 3's length direction, still include foretell laser cutting machine convulsions dust collector, flap valve subassembly 4 sets gradually in table surface 3's one side or both sides, convulsions dust collector's wind gap is towards table surface, trigger 2 installs the bottom surface at the one end or both ends that longmen crossbeam 1 corresponds, the top of lifter 6 is located and triggers the height of 2 looks adaptations, trigger 2 can remove along longmen crossbeam 1, and push down lifter 6 in proper order along the direction of movement, the length of trigger 2 is not less than the distance between the lifter of two adjacent flap valve subassemblies, make the switching of adjacent flap valve subassembly link up more smoothly, constantly keep there being at least one wind gap in the state of opening, guarantee dust removal effect.

The utility model discloses an operating principle does, in the laser cutting process, gantry beam 1 needs the drive laser head to remove, gantry beam 1's position corresponds with the laser cutting position constantly promptly, gantry beam 1 moves along workstation length direction, drive simultaneously and trigger 2 and remove, remove in-process trigger 2 and trigger one or a pair of (being located two of the corresponding position in table surface both sides promptly) all the time and turn over the board valve subassembly, trigger 2 pushes down lifter 6 promptly and makes and turn over board 8 and turn over and open, the wind gap of current position is opened, through tuber pipe 9 convulsions, carry out convulsions to the current position and remove dust, along with gantry beam's removal, the wind gap in the moving direction is opened in proper order, constantly carry out convulsions dust removal to current processing position.

The above embodiment shows that the utility model has the advantages that the mechanical structure is adopted for triggering, and compared with a rotary cylinder or a telescopic cylinder, the electric control system is omitted, the failure rate is reduced, and the work of troubleshooting, maintenance and the like of the failure in the later use process is reduced; the automatic reset mechanism is arranged, the turnover plate can be automatically closed after the trigger piece is moved away through the elastic force of the spring and the gravity of the balancing weight, the wind pressure of the current air draft position is ensured, the trigger piece is in a strip shape, when the laser head moves in a certain area, the turnover plate valve at the corresponding position can be kept opened, the continuous air draft and dust removal in the machining process are ensured, the dust removal effect is improved, and the friction resistance between the trigger piece and the lifting rod is small; the utility model has the advantages of skillful structure, convenient manufacture and use, no electric element, no system debugging and low device cost; and simultaneously, the utility model provides a laser cutting machine adopts above-mentioned dust collector, the stable performance, and the fault rate is low, is convenient for the investigation maintenance, and equipment cost is low.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The air draft dust removal device of the laser cutting machine is characterized by comprising a flap valve assembly (4), a turnover driving assembly and a trigger piece (2), wherein the flap valve assembly (4) comprises an air pipe (9), one side of the air pipe (9) is provided with an air port communicated with the inside of the air pipe (9), a flap (8) is hinged in the air port, and the flap (8) is fixedly connected with a hinged shaft of the flap;

the overturning driving component is arranged at one end of the hinged shaft, and the top end of the overturning driving component is higher than the bottom surface of the trigger component (2);

the trigger piece (2) can move along the length direction of the air pipe (9), and the trigger piece (2) can press the turnover driving component to enable the turnover plate (8) to turn and lift around a hinged shaft.

2. The air draft dust removal device of the laser cutting machine according to claim 1, wherein the overturning driving assembly comprises a lifting rod (6) and a transmission structure, and the lower end of the lifting rod (6) is connected with the hinge shaft of the turning plate through the transmission structure.

3. The air draft dust removing device of the laser cutting machine according to claim 2, wherein the transmission structure comprises an eccentric connecting rod (12) fixedly installed at one end of a hinge shaft, the eccentric connecting rod (12) is connected with the lifting rod (6) through an intermediate connecting rod (13), one end of the eccentric connecting rod (12) is fixedly connected with the hinge shaft, the other end of the eccentric connecting rod (12) is hinged with one end of the intermediate connecting rod (13), and the other end of the intermediate connecting rod (13) is hinged with the lower end of the lifting rod (6).

4. The air draft dust removal device of the laser cutting machine according to claim 2, wherein the air port protrudes out of the outer wall of the air pipe (9), two ends of the hinge shaft are hinged to two side walls of the air port respectively, the overturning driving assembly further comprises a guide rail (11) and a sliding block (10), the guide rail (11) is installed on the air pipe (9) or the outer wall of the air port, the sliding block (10) is installed on the lifting rod (6), and the guide rail (11) and the sliding block (10) are connected in a matched mode.

5. The air draft dust removal device of the laser cutting machine according to claim 4, wherein the overturning driving assembly further comprises a return spring (15), the return spring (15) is vertically arranged, one end of the return spring (15) is connected with the lifting rod (6), and the other end of the return spring (15) is connected with the air pipe (9) or the outer wall of the air port.

6. The air draft dust removal device of the laser cutting machine according to any one of claims 1 to 4, wherein a roller (5) is arranged at the upper end of the overturning driving assembly, and a rotating shaft of the roller (5) is horizontally arranged and is vertical to the movement direction of the trigger piece; trigger piece (2) are the slat form, the length of trigger piece (2) is followed the length direction of tuber pipe (9), the tip of trigger piece (2) is equipped with bevel (2-1), the horizontal position of the axis of rotation of gyro wheel (5) is less than the bottom surface of trigger piece (2).

7. The air draft dust removal device of the laser cutting machine as claimed in claim 2, wherein the transmission structure comprises a gear and a rack which are meshed with each other, the rack is arranged at the bottom of the lifting rod (6), the gear is fixedly mounted at the end of the hinged shaft, and the lifting rod drives the turning plate (8) to rotate along the hinged shaft through the gear and rack meshing structure in the lifting process.

8. A laser cutting machine comprises a working table top (3) and a gantry beam (1), wherein the gantry beam (1) is located above the working table top (3) and can move along the length direction of the working table top (3), the laser cutting machine air draft dust removal device is characterized by further comprising a laser cutting machine air draft dust removal device according to any one of claims 1 to 7, multiple groups of the flap valve assemblies (4) are arranged and are sequentially arranged on one side or two sides of the working table top (3), the trigger piece (2) is installed on the bottom face of the corresponding end of the gantry beam (1), and the trigger piece can move along with the gantry beam (1) and sequentially press down the turnover driving assemblies along the moving direction.

9. Laser cutting machine according to claim 8, characterized in that the length of the trigger (2) is not less than the distance between the lifting rods (6) of two adjacent flap valve assemblies.