CN116441759B - High heat dissipation laser cutting machine - Google Patents
High heat dissipation laser cutting machine Download PDFInfo
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- CN116441759B CN116441759B CN202310719686.9A CN202310719686A CN116441759B CN 116441759 B CN116441759 B CN 116441759B CN 202310719686 A CN202310719686 A CN 202310719686A CN 116441759 B CN116441759 B CN 116441759B
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 30
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 205
- 238000005520 cutting process Methods 0.000 claims abstract description 87
- 239000007921 spray Substances 0.000 claims abstract description 43
- 238000000605 extraction Methods 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 17
- 238000004062 sedimentation Methods 0.000 claims description 18
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052760 oxygen Inorganic materials 0.000 abstract description 10
- 239000001301 oxygen Substances 0.000 abstract description 10
- 238000002955 isolation Methods 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003020 moisturizing effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- -1 felt Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The application provides a high-heat-dissipation laser cutting machine, which belongs to the technical field of laser cutting equipment and comprises a cutting bed, a frame, a cutting head, a rotating frame, a driving assembly, a water spray pipe, a water supply assembly, a return air pipe and an air extraction assembly, wherein the frame is arranged on the cutting bed and is provided with a cutting head mounting frame; the cutting head is arranged on the cutting head mounting frame and driven by the frame to move; the rotating frame is rotationally connected with the cutting head mounting frame; the driving assembly is respectively connected with the cutting head mounting frame and the rotating frame so as to drive the rotating frame to rotate on the cutting head mounting frame; the water spraying pipe is connected with the rotating frame, and one end of the water spraying pipe is provided with a spray head; the water supply assembly is connected with the water spraying pipe through a pipeline; the return air pipe is connected with the rotating frame, and one end of the return air pipe is provided with a collecting cover which is positioned behind the laser beam emitted by the cutting head; the air extraction component is connected with the return air pipe. The application can greatly improve the oxygen isolation and heat dissipation of the workpiece, avoid burning or smoldering, and realize the cutting of the combustible workpiece.
Description
Technical Field
The application belongs to the technical field of laser cutting equipment, and particularly relates to a high-heat-dissipation laser cutting machine.
Background
The laser cutting machine focuses laser emitted from the laser into laser beams with high power density through an optical path system. The laser beam irradiates the surface of the workpiece to make the workpiece reach the melting point or boiling point, and high-pressure gas coaxial with the laser beam blows away the molten or gasified metal. Along with the movement of the relative positions of the laser beam and the workpiece, the workpiece finally forms a kerf, thereby achieving the aim of cutting. The laser cutting processing has the characteristics of high precision, rapid cutting, automatic typesetting, material saving, smooth cut, low processing cost and the like, and is not limited by cutting patterns.
However, the current laser cutting machine is generally used for cutting metal workpieces or inorganic nonmetallic workpieces, and can not cut combustible workpieces such as cloth, felt, plastics and the like due to the high heat property of the laser cutting machine, otherwise, the workpieces are easy to burn.
Disclosure of Invention
The application aims to provide a high-heat-dissipation laser cutting machine, which solves the technical problem that a laser cutting machine in the prior art cannot cut a flammable workpiece.
In order to achieve the above purpose, the application adopts the following technical scheme: the high-heat-dissipation laser cutting machine comprises a cutting bed, a frame, a cutting head, a rotating frame, a driving assembly, a water spray pipe, a water supply assembly, a return air pipe and an air extraction assembly, wherein the cutting bed is used for placing a workpiece to be cut; the machine frame is arranged on the cutting bed and is provided with a cutting head mounting frame; the cutting head is arranged on the cutting head mounting frame and driven by the frame to move; the rotating frame is rotationally connected with the cutting head mounting frame and driven by the frame to move, and the rotating shaft of the rotating frame is overlapped with the laser beam emitted by the cutting head; the driving assembly is respectively connected with the cutting head mounting frame and the rotating frame so as to drive the rotating frame to rotate on the cutting head mounting frame; the water spraying pipe is connected with the rotating frame, one end of the water spraying pipe is provided with a spray head, the position and the angle of the spray head are limited, so that water sprayed by the spray head is at least positioned in front of a laser beam emitted by the cutting head at the position where the water sprayed by the spray head contacts a workpiece to be cut; the water supply assembly is connected with the water spraying pipe through a pipeline; the return air pipe is connected with the rotating frame, and one end of the return air pipe is provided with a collecting cover which is positioned behind the laser beam emitted by the cutting head; the air extraction assembly is connected with the return air pipe so as to provide negative pressure suction force for the return air pipe.
In combination with the above technical solution, in one possible implementation manner, the nozzle is provided with two nozzles, and the positions of the water sprayed by the two nozzles, which are in contact with the workpiece to be cut, are respectively located before and after the laser beam emitted by the cutting head.
In combination with the above technical solution, in one possible implementation manner, the high heat dissipation laser cutting machine further includes a controller, and the controller is electrically connected with the driver, the cutting head, the driving assembly, the water supply assembly and the air extraction assembly of the frame.
In combination with the above technical scheme, in a possible implementation manner, the rotating frame comprises an annular fluted disc, a bearing assembly, a water spray pipe fixing piece and an air return pipe fixing piece, the annular fluted disc is sleeved on the cutting head and is rotationally connected with the cutting head mounting frame through the bearing assembly, teeth are arranged on the annular fluted disc, the driving assembly comprises a motor and a gear, the motor is arranged on the cutting head mounting frame, the gear is connected with the power output end of the motor and meshed with the teeth on the annular fluted disc so as to drive the annular fluted disc to rotate, the water spray pipe fixing piece is arranged on the annular fluted disc so as to fix the water spray pipe, and the air return pipe fixing piece is arranged on the annular fluted disc so as to fix the air return pipe.
In combination with the above technical solution, in one possible implementation manner, the water supply assembly includes a sedimentation tank, a water supply tank, a water supplementing pipe, a water pump, a water guide pipe and a filter, the air extraction assembly includes an air pump, an air guide pipe, a first air pipe and a second air guide pipe, an inlet of the air pump is connected with a return air pipe through the air guide pipe, an outlet of the air pump is connected with a lower part of the sedimentation tank through the first air pipe, an upper part of the sedimentation tank is connected with a lower part of the water supply tank through the second air guide pipe, an outlet of the water pump is connected with a water spraying pipe through the water guide pipe, an inlet of the water pump is connected with a lower part of the water supply tank through the filter, the water supplementing pipe is connected with the water supply tank to supplement water, and an air outlet is arranged at an upper part of the water supply tank; the lower part of the sedimentation water tank is provided with a drain valve.
In combination with the above technical solution, in one possible implementation manner, the air extraction assembly further includes a three-way valve and a flushing pipe, and the three-way valve is disposed on the air duct and connected with the flushing pipe.
In combination with the above technical solution, in one possible implementation manner, the water spraying pipe and the air return pipe are both of hard structures, and the water guide pipe and the air guide pipe are both elastic hoses.
In combination with the above technical scheme, in a possible implementation manner, the sedimentation water tank and the water supply tank are both internally provided with uniform distribution plates, and the uniform distribution plates are of plate-shaped structures which are horizontally arranged and provided with holes.
In combination with the above technical solution, in one possible implementation manner, a control valve is arranged on the water replenishing pipe, a water replenishing trigger mechanism is arranged on the water supply tank, the water replenishing trigger mechanism comprises a density bottle, a slide bar, a trigger bar and a trigger switch, the density bottle is arranged in the water supply tank and is connected with the lower end of the slide bar, the slide bar is arranged on the water supply tank in a sliding manner, the upper end of the slide bar is connected with the trigger bar, the trigger switch is connected with the control valve, and the trigger bar is used for triggering the trigger switch after the density bottle descends by a preset height so that the control valve is opened; wherein the density bottle floats on the water surface when no bubbles are contained in the water supply tank, and sinks into the water when the amount of bubbles contained in the water supply tank exceeds a preset value.
In combination with the above technical solution, in one possible implementation manner, the density bottle includes a bottle body and a bottle cap, the bottle body and the bottle cap are detachably connected, the bottle cap is connected with the slide bar, and the bottle body is used for containing and assembling the heavy object.
The high-heat-dissipation laser cutting machine provided by the application has the beneficial effects that: compared with the prior art, when the cutting machine is used, a workpiece to be cut is placed on a cutting bed, and then the cutting head and the rotating frame are driven by the machine frame to run according to a preset path, and the water supply assembly and the air extraction assembly are started at the same time; the cutting head and the collecting cover move synchronously along with the laser beam, so that the oxygen isolation and heat dissipation of the workpiece can be greatly improved, combustion or smoldering is avoided, and when the laser beam turns, the nozzle and the collecting cover are driven to rotate around the laser beam through the cooperation of the rotating frame and the driving assembly, so that the contact position of water sprayed by the nozzle and the workpiece to be cut is always positioned in front of the laser beam; when cutting, spraying water to the position in front of the laser beam through the spray head, so that after the laser beam moves to the water spraying position, the workpiece is wetted, when cutting, the high heat of the laser beam not only cuts the workpiece, but also instantly gasifies water on the workpiece, and the surrounding air is discharged, so that the contact between the cutting position of the workpiece and oxygen is reduced, combustion is avoided when cutting, and the residual water vapor after the laser beam passes continuously takes away the heat on the workpiece, so that the temperature on the workpiece is reduced below a burning point, and smoldering of the workpiece is avoided; meanwhile, when the laser beam runs, the collecting cover moves along with the laser beam, so that generated smoke and water vapor are absorbed away, the condition that the workpiece is excessively wet or accumulated smoke is avoided, the health of workers, the production environment and the product quality are influenced, and the collecting cover is located behind the laser beam, so that the smoke and the water vapor move backwards, the visibility of the laser beam can be guaranteed, the travelling condition of the laser beam is conveniently observed, the freshly cut part can be in an environment containing rich water vapor, the time that the freshly cut part contacts with oxygen is delayed, the oxygen isolation and the temperature reduction of the freshly cut part are facilitated, and the possibility of workpiece combustion or smoldering is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a high heat dissipation laser cutting machine according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a high heat dissipation laser cutting machine according to another embodiment of the present application;
FIG. 3 is an enlarged schematic view of FIG. 2A;
fig. 4 is a schematic diagram of a partial cross-sectional structure of a water supply assembly and an air extraction assembly of a high heat dissipation laser cutting machine according to another embodiment of the present application.
Wherein, each reference sign is as follows in the figure:
10. a cutting bed;
20. a frame; 21. a cutting head mounting rack;
30. a cutting head; 31. a laser beam;
40. a rotating frame; 41. an annular fluted disc; 42. a bearing assembly;
43. a spray pipe fixing member; 44. a return air pipe fixing piece;
50. a drive assembly;
60. a water spray pipe; 61. a spray head;
70. a water supply assembly; 71. a precipitation tank; 711. a drain valve;
72. a water supply tank; 721. a baffle; 73. a water supplementing pipe; 74. a water pump; 75. a water conduit;
76. a filter; 77. uniformly distributing plates; 78. a control valve;
791. a density bottle; 792. a slide bar; 793. a trigger lever; 794. triggering a switch;
80. an air return pipe; 81. a collection cover;
90. an air extraction assembly; 91. an air pump; 92. an air duct; 93. a first vent pipe;
94. a second vent pipe; 95. a three-way valve; 96. a flush tube.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the described embodiments are only some, but not all, embodiments of the present application, and that the specific embodiments described herein are intended to be illustrative of the present application and not limiting. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be further noted that the drawings and embodiments of the present application mainly describe the concept of the present application, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present application.
When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
The high heat dissipation laser cutting machine provided by the application will now be described.
As shown in fig. 1, a first embodiment of the present application provides a high heat dissipation laser cutting machine, which comprises a cutting bed 10, a frame 20, a cutting head 30, a rotating frame 40, a driving assembly 50, a water spray pipe 60, a water supply assembly 70, a return air pipe 80 and an air extraction assembly 90, wherein the cutting bed 10 is used for placing a workpiece to be cut; the frame 20 is arranged on the cutting bed 10 and is provided with a cutting head mounting frame 21; the cutting head 30 is arranged on the cutting head mounting frame 21 and moves under the drive of the frame 20; the rotating frame 40 is rotationally connected with the cutting head mounting frame 21 and driven by the frame 20 to move, and the rotating shaft of the rotating frame 40 is overlapped with the laser beam emitted by the cutting head 30; the driving assembly 50 is respectively connected with the cutting head mounting frame 21 and the rotating frame 40 to drive the rotating frame 40 to rotate on the cutting head mounting frame 21; the spray pipe 60 is connected with the rotating frame 40, and one end of the spray pipe is provided with a spray head 61, the spray pipe 60 is used for limiting the position and the angle of the spray head 61 so that the position where water sprayed by the spray head 61 contacts with a workpiece to be cut is at least positioned before a laser beam emitted by the cutting head 30; the water supply assembly 70 is connected with the water spraying pipe 60 through a pipeline; the return air pipe 80 is connected with the rotating frame 40, and one end of the return air pipe is provided with a collecting cover 81, and the collecting cover 81 is positioned behind the laser beam emitted by the cutting head 30; the air extraction assembly 90 is coupled to the return air duct 80 to provide negative pressure suction to the return air duct 80.
The water in the present application refers to a cooling liquid capable of evaporating and cooling and isolating air, which can be pure water or other fluids, and the specific type can be selected according to the type of the workpiece to be cut.
In the high heat dissipation laser cutting machine provided by the embodiment, when in use, a workpiece to be cut is placed on the cutting bed 10, and then the cutting head 30 and the rotating frame 40 are driven by the frame 20 to run according to a preset path, and meanwhile, the water supply assembly 70 and the air extraction assembly 90 are started; the cutting head 30 emits a laser beam to cut a workpiece to be cut, the spray head 61 and the collecting cover 81 move synchronously along with the laser beam, so that oxygen isolation and heat dissipation of the workpiece can be greatly improved, combustion or smoldering is avoided, and when the laser beam turns, the spray head 61 and the collecting cover 81 are driven to rotate around the laser beam through the cooperation of the rotating frame 40 and the driving assembly 50, so that the position where water sprayed by the spray head 61 contacts the workpiece to be cut is always in front of the laser beam; when cutting, water is sprayed to the position in front of the laser beam through the spray head 61, so that after the laser beam moves to the water spraying position, the workpiece is wetted, when cutting is carried out, the high heat of the laser beam not only cuts the workpiece, but also instantly gasifies water on the workpiece, surrounding air is discharged, contact between the cutting position of the workpiece and oxygen is reduced, combustion is avoided when cutting is carried out, and residual water vapor after the laser beam passes continuously takes away heat on the workpiece, so that the temperature on the workpiece is reduced below a burning point, and smoldering of the workpiece is avoided; meanwhile, when the laser beam runs, the collecting cover 81 runs along with the laser beam, so that generated smoke and water vapor are absorbed away, the condition that the work piece is excessively wet or accumulated smoke is avoided, the health of workers, the production environment and the product quality are influenced, and the collecting cover 81 is located behind the laser beam, so that the smoke and the water vapor move backwards, the visibility of the laser beam can be guaranteed, the running condition of the laser beam is conveniently observed, the freshly cut part can be in an environment containing rich water vapor, the time that the freshly cut part contacts with oxygen is delayed, the oxygen isolation and the temperature reduction of the freshly cut part are facilitated, and the possibility of burning or smoldering of the work piece is reduced.
As shown in fig. 2 to 4, another embodiment of the present application is as follows:
as shown in fig. 3, the nozzle 61 is provided with two nozzles, and the positions of the water sprayed from the two nozzles, which are in contact with the workpiece to be cut, are respectively located before and after the laser beam emitted from the cutting head 30. Therefore, by additionally arranging the nozzle, the workpiece to be cut can be sprayed with water after being cut by the laser beam, and possible ignition points such as sparks and the like in the workpiece are eliminated, so that the hidden danger of ignition is eliminated.
The high heat dissipation laser cutting machine further comprises a controller electrically connected with the driver of the frame 20, the cutting head 30, the driving assembly 50, the water supply assembly 70 and the air extraction assembly 90 to control the actions of the above assemblies according to a preset program, thereby automatically completing the cutting operation.
As shown in fig. 3, the rotating frame 40 includes an annular fluted disc 41, a bearing assembly 42, a spray pipe fixing member 43 and an air return pipe fixing member 44, the annular fluted disc 41 is sleeved on the cutting head 30 and is rotationally connected with the cutting head mounting frame 21 through the bearing assembly 42, teeth are arranged on the annular fluted disc 41, the driving assembly 50 includes a motor and a gear, the motor is arranged on the cutting head mounting frame 21, the gear is connected with a power output end of the motor and is meshed with the teeth on the annular fluted disc 41 to drive the annular fluted disc 41 to rotate, the spray pipe fixing member 43 is arranged on the annular fluted disc 41 to fix the spray pipe 60, and the air return pipe fixing member 44 is arranged on the annular fluted disc 41 to fix the air return pipe 80.
When in use, the motor is connected with the controller, rotates under the control of the controller, and drives the water spraying pipe 60 and the air return pipe 80 fixed by the water spraying pipe fixing piece 43 and the air return pipe fixing piece 44 to rotate around the laser beam by a specific angle through the cooperation of the gear and the annular fluted disc 41.
As shown in fig. 2 and 4, the water supply assembly 70 includes a settling water tank 71, a water supply tank 72, a water supplementing pipe 73, a water pump 74, a water guiding pipe 75 and a filter 76, the air pumping assembly 90 includes an air pump 91, an air guiding pipe 92, a first air guiding pipe 93 and a second air guiding pipe 94, an inlet of the air pump 91 is connected with the air returning pipe 80 through the air guiding pipe 92, an outlet of the air pump 91 is connected with a lower portion of the settling water tank 71 through the first air guiding pipe 93, an upper portion of the settling water tank 71 is connected with a lower portion of the water supply tank 72 through the second air guiding pipe 94, an outlet of the water pump 74 is connected with a water spraying pipe 60 through the water guiding pipe 75, an inlet of the water pump 74 is connected with a lower portion of the water supply tank 72 through the filter 76, the water supplementing pipe 73 is connected with the water supplying tank 72 to supplement water, and an upper portion of the water supply tank 72 is provided with an air outlet; a drain valve 711 is provided at the lower portion of the settling tank 71.
When the device is used, the air pump 91 and the water pump 74 are started, so that the collecting cover 81 collects the smoke and the water vapor generated by cutting the laser beam and then leads the smoke and the water vapor into the sedimentation water tank 71 through the return air pipe 80, the air duct 92 and the first air duct 93, water or cleaning liquid capable of cleaning toxic and harmful substances in the smoke and the water vapor is contained in the sedimentation water tank 71, after the smoke and the water vapor are cleaned by the water in the sedimentation water tank 71, the residual gas enters the water supply tank 72 from the upper part of the sedimentation water tank 71 through the second air duct 94, after the water supply tank 72 is cleaned again, the residual gas is discharged to the outside through the air outlet of the water supply tank 72, and the water in the sedimentation water tank 71 is gradually increased due to the adsorption of the water and solid substances in the smoke and the water vapor, and finally the residual gas is discharged from the water discharge valve of the sedimentation water tank 71 at regular intervals, so that the discharged gas is safe and harmless; after the gas discharged from the sedimentation tank 71 is purged, the water in the water supply tank 72 is sprayed onto the work by the pump action of the water pump 74 via the filter 76, the water guide pipe 75, the water spray pipe 60, and the shower head 61, and the water drawn from the water supply tank 72 can be supplied through the water supply pipe 73.
The water supply tank 72 not only can be used as a buffer tank for water to ensure stable water supply to the spray head 61, but also can be used for secondary cleaning of smoke and water vapor, thereby improving environmental protection, and can absorb carbon dioxide and heat in the gas led out from the precipitation water tank 71 so as to be easier to gasify during laser cutting and provide better oxygen isolation effect.
Further, a baffle 721 is provided inside the junction of the water supply tank 72 and the filter 76 to reduce the possibility of bubbles entering the filter 76.
Further, the air extraction assembly 90 further includes a three-way valve 95 and a flush tube 96, the three-way valve 95 being disposed on the air duct 92 and connected to the flush tube 96.
The three-way valve 95 has three ports, and any two ports can be connected and the remaining ports can be closed by the valve body itself. When the air duct 92 is used for exhausting, the three-way valve 95 communicates the air duct 92 and seals the flushing pipe 96; during flushing, the flushing pipe 96 is sequentially connected with the air guide pipes 92 at two sides through the three-way valve 95 so as to flush the air passage where the return air pipe 80 and the collecting cover 81 are located forwards and flush the air passage formed by the air pump 91, the first air pipe 93 and the sedimentation water tank 71 backwards, so that the adhesive matters in the air passage are removed.
The water spray pipe 60 and the return air pipe 80 are hard structures, and the water guide pipe 75 and the air guide pipe 92 are elastic hoses so as to avoid rapid abrasion caused by movement. The frame is a door-shaped frame.
Further, as shown in fig. 4, the settling water tank 71 and the water supply tank 72 are provided with uniform distribution plates 77, which are horizontally arranged and have plate-shaped structures with holes, so that the gas at the lower part is dispersed into small bubbles, and the gas is fully contacted with water.
Further, as shown in fig. 4, a control valve 78 is provided on the water replenishing pipe 73, a water replenishing trigger mechanism is provided on the water supply tank 72, the water replenishing trigger mechanism comprises a density bottle 791, a slide bar 792, a trigger bar 793 and a trigger switch 794, the density bottle 791 is provided in the water supply tank 72 and is connected with the lower end of the slide bar 792, the slide bar 792 is slidingly provided on the water supply tank 72, the upper end of the slide bar 792 is connected with the trigger bar 793, the trigger switch 794 is connected with the control valve 78, and the trigger bar 793 is used for triggering the trigger switch 794 after the density bottle 791 descends by a preset height so as to enable the control valve 78 to be opened; wherein the density bottle 791 floats on the water surface when there is no bubble in the water supply tank 72, and sinks into the water when the amount of bubbles contained in the water supply tank 72 exceeds a preset value.
So that the density bottle 791 can only move up and down under the limit of the slide bar 792, not only can accurately measure the water level, but also can enable the water supplementing pipe 73 to automatically open water supplementing after the water level in the water supply tank 72 drops to a certain degree; and because the bubble in water can reduce the buoyancy of water, therefore can also contain the bubble too much in the water in the supply tank 72, through the subsidence of density bottle 791, control through controlling moisturizing pipe 73 to promote the water level, increase the lift distance of bubble, thereby extension gas and water's contact time promotes the cleaning performance to gas, afterwards after the water level in supply tank 72 risees to a certain extent, density bottle 791 and some slide bars 792 submergence in water, buoyancy promotes, make density bottle 791 come-up, thereby drive trigger lever 793 and trigger switch 794 separation, make control valve 78 close, moisturizing pipe 73 stops moisturizing.
Specifically, the density bottle 791 includes a body and a cap detachably connected to each other, the cap being connected to the slide bar 792, and a weight being placed in the body. The structure can be convenient for disassemble and take out the bottle body, the overall density of the density bottle 791 can be regulated by changing the types and the quantity of the weights in the bottle body, and the weights can be air, water, stones or metal blocks. The body may be of conical, cylindrical or fusiform configuration to avoid excessive adherence of bubbles, affecting sensitivity.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (6)
1. A high heat dissipation laser cutting machine, comprising:
a cutting bed (10) for placing a workpiece to be cut;
the frame (20) is arranged on the cutting bed (10) and is provided with a cutting head mounting frame (21);
the cutting head (30) is arranged on the cutting head mounting frame (21) and driven by the frame (20) to move;
the rotating frame (40) is rotationally connected with the cutting head mounting frame (21) and driven by the frame (20) to move, and the rotating shaft of the rotating frame (40) is overlapped with the laser beam emitted by the cutting head (30);
the driving assembly (50) is respectively connected with the cutting head mounting frame (21) and the rotating frame (40) to drive the rotating frame (40) to rotate on the cutting head mounting frame (21);
a spray pipe (60) connected with the rotating frame (40), and provided with a spray head (61) at one end, wherein the spray pipe (60) is used for limiting the position and the angle of the spray head (61) so that the position where water sprayed by the spray head (61) contacts with a workpiece to be cut is at least positioned in front of a laser beam emitted by the cutting head (30);
a water supply assembly (70) connected with the water spray pipe (60) through a pipeline;
the return air pipe (80) is connected with the rotating frame (40), one end of the return air pipe is provided with a collecting cover (81), and the collecting cover (81) is positioned behind the laser beam emitted by the cutting head (30);
the air extraction assembly (90) is connected with the air return pipe (80) to provide negative pressure suction for the air return pipe (80);
the water supply assembly (70) comprises a sedimentation water tank (71), a water supply tank (72), a water supplementing pipe (73), a water pump (74), a water guide pipe (75) and a filter (76), the air extraction assembly (90) comprises an air pump (91), an air guide pipe (92), a first ventilation pipe (93) and a second ventilation pipe (94), an inlet of the air pump (91) is connected with the air return pipe (80) through the air guide pipe (92), an outlet of the air pump (91) is connected with the lower part of the sedimentation water tank (71) through the first ventilation pipe (93), the upper part of the sedimentation water tank (71) is connected with the lower part of the water supply tank (72) through the second ventilation pipe (94), an outlet of the water pump (74) is connected with the water spraying pipe (60) through the water guide pipe (75), an inlet of the water pump (74) is connected with the lower part of the water supply tank (72) through the filter (76), the water supplementing pipe (73) is connected with the lower part of the water supply tank (72) so as to supplement water, and the upper part of the water supply tank (72) is provided with an exhaust port. A drain valve is arranged at the lower part of the sedimentation water tank (71);
the sedimentation water tank (71) and the water supply tank (72) are internally provided with uniform distribution plates (77), and the uniform distribution plates are of plate-shaped structures which are horizontally arranged and provided with holes;
the water supplementing pipe (73) is provided with a control valve (78), the water supplying box (72) is provided with a water supplementing trigger mechanism, the water supplementing trigger mechanism comprises a density bottle (791), a sliding rod (792), a trigger rod (793) and a trigger switch (794), the density bottle (791) is arranged in the water supplying box (72) and is connected with the lower end of the sliding rod (792), the sliding rod (792) is arranged on the water supplying box (72) in a sliding manner, the upper end of the sliding rod is connected with the trigger rod (793), the trigger switch (794) is connected with the control valve (78), and the trigger rod (793) is used for triggering the trigger switch (794) after the density bottle (791) descends by a preset height, so that the control valve (78) is opened; wherein the density bottle (791) floats on the water surface when no bubbles exist in the water supply tank (72), and sinks into the water when the amount of the bubbles contained in the water supply tank (72) exceeds a preset value;
the density bottle (791) comprises a bottle body and a bottle cap, the bottle body and the bottle cap are detachably connected, the bottle cap is connected with a sliding rod (792), and the bottle body is internally used for accommodating and assembling weights.
2. The high heat dissipation laser cutting machine as defined in claim 1, wherein: the spray head (61) is provided with two spray nozzles, and the positions of water sprayed by the two spray nozzles, which are contacted with a workpiece to be cut, are respectively positioned before and after the laser beam emitted by the cutting head (30).
3. The high heat dissipation laser cutting machine as defined in claim 1, wherein: the high heat dissipation laser cutting machine further comprises a controller, wherein the controller is electrically connected with a driver of the frame (20), the cutting head (30), the driving assembly (50), the water supply assembly (70) and the air extraction assembly (90).
4. The high heat dissipation laser cutting machine as defined in claim 1, wherein: rotating turret (40) are including annular fluted disc (41), bearing assembly (42), spray pipe mounting (43) and return air pipe mounting (44), annular fluted disc (41) cover is established on cutting head (30), and through bearing assembly (42) with cutting head mounting bracket (21) form and rotate to be connected, be equipped with the tooth on annular fluted disc (41), drive assembly (50) include motor and gear, the motor is established on cutting head mounting bracket (21), the gear with the power take off end of motor is connected, and with tooth meshing on annular fluted disc (41) is in order to drive annular fluted disc (41) rotate, spray pipe mounting (43) are established on annular fluted disc (41) are used for fixed spray pipe (60), return air pipe mounting (44) are established on annular fluted disc (41) are used for fixed return air pipe (80).
5. The high heat dissipation laser cutting machine as defined in claim 1, wherein: the air extraction assembly (90) further comprises a three-way valve (95) and a flushing pipe (96), and the three-way valve (95) is arranged on the air guide pipe (92) and is connected with the flushing pipe (96).
6. The high heat dissipation laser cutting machine as defined in claim 1, wherein: the water spraying pipe (60) and the return air pipe (80) are of hard structures, and the water guide pipe (75) and the air guide pipe (92) are elastic hoses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310719686.9A CN116441759B (en) | 2023-06-17 | 2023-06-17 | High heat dissipation laser cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310719686.9A CN116441759B (en) | 2023-06-17 | 2023-06-17 | High heat dissipation laser cutting machine |
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| CN116441759A CN116441759A (en) | 2023-07-18 |
| CN116441759B true CN116441759B (en) | 2023-09-01 |
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| EP4035822A1 (en) * | 2021-01-29 | 2022-08-03 | Bystronic Laser AG | Laser cutting machine |
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| CN108975614A (en) * | 2016-06-06 | 2018-12-11 | 王佳莺 | The operational method of biogas slurry Ecological Disposal cultivating system |
| CN107018961A (en) * | 2017-04-14 | 2017-08-08 | 中国科学院海洋研究所 | A kind of wheel animalcule automation high density culture system and method |
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