CN118060747A - Protection device for sheet metal support of laser cutting machine - Google Patents
Protection device for sheet metal support of laser cutting machine Download PDFInfo
- Publication number
- CN118060747A CN118060747A CN202410468726.1A CN202410468726A CN118060747A CN 118060747 A CN118060747 A CN 118060747A CN 202410468726 A CN202410468726 A CN 202410468726A CN 118060747 A CN118060747 A CN 118060747A
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- Prior art keywords
- plate
- sand
- gravel layer
- cutting groove
- groove
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims description 34
- 238000005520 cutting process Methods 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000004576 sand Substances 0.000 claims description 92
- 238000001816 cooling Methods 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 10
- 239000000110 cooling liquid Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims 8
- 238000002844 melting Methods 0.000 abstract description 16
- 230000008018 melting Effects 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 95
- 239000010453 quartz Substances 0.000 description 19
- 230000002829 reductive effect Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to a protection device for supporting a plate of a laser cutting machine, which belongs to the technical field of laser cutting supports and comprises the following components: the cutting groove is internally provided with saw teeth in a lifting manner, the saw teeth are arranged at the top of the saw teeth, the saw teeth are filled in the cutting groove and wrapped by the saw teeth, when a plate material is conveyed into the cutting groove, the saw teeth extend out of the top surface of the saw teeth so as to enable the saw teeth to abut against the plate material to support the plate material, and when the laser cutting machine cuts the plate material, the saw teeth extend into the saw teeth, and the saw teeth extend into the saw teeth to abut against the plate material to support the plate material; the technical problem that the laser cutting support sawtooth plate is melted and/or the maintenance is complex due to the melting in the prior art can be solved.
Description
Technical Field
The invention belongs to the technical field of laser cutting supports, and particularly relates to a protection device for supporting a plate of a laser cutting machine.
Background
When the laser cutting is used for cutting metal plates in industrial production, because the metal plates are instantaneously gasified due to local high temperature and then are adhered to the sawtooth plates of the support plates of the laser cutting machine through scattering, metal gas far away can be adhered to the sawtooth plates in the form of metal particles after being rapidly cooled by air, and the metal gas near to the metal gas can be directly cooled to become molten metal and the sawtooth plates, so that the supporting parts of the sawtooth plates can be directly melted when serious.
The prior art publication number is CN 117697168A's patent discloses a thick plate laser cutting device, specifically includes the frame, be equipped with flip structure in the frame, be equipped with in the frame and strike off the structure, conveniently will support thick plate's subassembly upset after cutting one end time through flip structure, avoid the slag that produces to adhere to the horizontal precision that influences thick plate and place above, and then influence laser cutting's precision, can clear up the slag that supporting component adheres to through striking off the structure.
The prior art has the following problems:
when melting takes place for slag and serration, simple scraper blade can't effectually separate the slag, need use fusion welding to separate in the actual operation, and to the serration supporting part after melting, even if upset serration still need change the serration that melts, need shut down the operation, be inconvenient for maintenance.
Disclosure of Invention
The invention provides a protection device for supporting a plate of a laser cutting machine, which can solve the technical problem of complex maintenance caused by melting and/or melting of a sawtooth plate of a laser cutting support in the prior art.
In order to achieve the above purpose, the present invention is realized by the following technical scheme:
The application provides a protection device for supporting a plate of a laser cutting machine, which comprises a cutting groove and a gravel layer, wherein a serration plate is connected in the cutting groove in a lifting manner, the top of the serration plate is provided with saw teeth, the gravel layer is filled in the cutting groove and wraps the serration plate, when the plate is conveyed into the cutting groove, the serration plate stretches out of the top surface of the gravel layer to enable the saw teeth to abut against the plate to support the plate, and when the plate is cut by the laser cutting machine, the serration plate stretches into the gravel layer and abuts against the plate to support the plate.
Through the technical scheme, the gravel layer is used for supporting when the plate is cut by laser, so that the melting and/or melting of the sawtooth plate is avoided, the gravel layer is directly removed after melting or adhesion with liquid metal, and the maintenance difficulty is reduced.
In the invention, the protection device further comprises a lifting frame and a first hydraulic cylinder, wherein the lifting frame is positioned on two opposite sides in the cutting groove, the lifting frame is detachably connected to two sides of the sawtooth plate, the first hydraulic cylinder is provided with a telescopic end and a fixed end, the telescopic end is connected with the lifting frame, and the first hydraulic cylinder is used for controlling the lifting frame to move relative to the cutting groove.
Through above-mentioned technical scheme, adopt the hydraulic cylinder drive to provide bigger driving force for the lift of serration board, and the detachable of crane and serration board is connected, can be convenient for change after the serration board wearing and tearing, and it is more convenient to maintain.
In the present invention, the serration plate has an insertion portion, and the insertion portion is wedge-shaped and is disposed on a surface of the serration plate facing away from the serrations.
Through the technical scheme, the wedge-shaped insertion part is arranged below the sawtooth plate, so that the resistance of the sawtooth plate when the sawtooth plate descends is reduced, and the running smoothness of the sawtooth plate is improved.
In the invention, the protection device further comprises a cooling box, wherein the cooling box is communicated with the cutting groove, and the top surface of the cooling liquid in the cooling box is flush with the top surface of the gravel layer.
Through above-mentioned technical scheme, adopt the cooler bin to lead in between the gravel layer with the coolant liquid, after the gravel layer mixes the coolant liquid, the sheet metal that reduces laser melting that can be faster, the coolant liquid adsorbs the metal powder after the cooling simultaneously, has reduced the dust pollution of laser cutting in-process, has improved the environmental protection effect.
In the invention, the protection device further comprises a sand groove, the sand groove is connected with the cutting groove in a sliding manner, the sand groove slides along the length direction of the cutting groove, a sand outlet is formed in the bottom of the sand groove, and the sand outlet is abutted to the top surface of the gravel layer.
Through above-mentioned technical scheme, adopt the sand tank to supplement after the loss of the sudden strain of a muscle gravel layer in the cutting groove, the gravel layer keeps the same height when, reduces the altitude mixture control to laser convergence point, has improved laser cutting efficiency.
In the invention, the sand groove is provided with a first side surface and a second side surface which are opposite in the sliding direction, the first side surface is connected with a first sand shoveling plate, one end of the first sand shoveling plate, which is away from the sand groove, is abutted against the surface of the gravel layer, the second side surface is connected with a second sand shoveling plate, and one end of the second sand shoveling plate, which is away from the sand groove, is abutted against the surface of the gravel layer.
Through above-mentioned technical scheme, adopt to set up the shovel sand board in the sand tank both sides, with the gravel shovel of melting and/or molten state, avoid forming the gravel of big reunion and influence the location of placing of panel, improved the precision of the location of panel repeatedly placed.
In the invention, the protection device further comprises a plurality of limit posts which are respectively connected with the first side face and the second side face, one end, far away from the first side face, of each limit post connected with the first side face is abutted with the first sand shoveling plate, one end, far away from the second side face, of each limit post connected with the second side face is abutted with the second sand shoveling plate, and the first sand shoveling plate and the second sand shoveling plate are hinged with the sand groove.
Through above-mentioned technical scheme, adopt spacing post, limit post provides the support to the shovel sand board when shovel sand, adopts articulated connected mode, can turn over unnecessary gravel that shovel sand board was shoveled into the sand tank, makes the gravel can recycle, has reduced the use of consumptive material.
In the invention, the protection device further comprises a central positioning rod, the central positioning rod is connected in the cutting groove in a lifting manner and has a positioning state and a cleaning state, when the central positioning rod is in the positioning state, the top surface of the central positioning rod is flush with the top surface of the gravel layer and is abutted against the center of the bottom surface of the plate, and when the central positioning rod is in the cleaning state, the top surface of the central positioning rod is sunk into the gravel layer.
Through above-mentioned technical scheme, adopt center locating lever butt board material, when avoiding cutting complicated product profile, a large amount of gravel melts and arouses the product to take place to incline and slide, has improved laser cutting's precision.
In the invention, the protection device further comprises a plurality of edge positioning rods, the edge positioning rods are connected in the cutting groove in a lifting mode, and the top surfaces of the edge positioning rods are flush with the top surface of the gravel layer and are abutted against the bottom surface of the plate material when the edge positioning rods are lifted.
Through the technical scheme, the plurality of edge positioning rods are adopted to position at four corners of the plate, so that after the partial occurrence of gravel melting, the plate integrally slides, and the precision of laser cutting is further improved.
In the invention, the protection device further comprises a bottom groove, wherein the bottom groove is connected to the bottom surface of the cutting groove, and the bottom area of the bottom groove is larger than or equal to that of the cutting groove.
Through the technical scheme, the bottom groove is adopted to receive the leaked cooling liquid and/or gravel in the cutting groove, so that the pollution to the environment is avoided, and the environment protection performance of the device is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an isometric view of a protection device for supporting a sheet material of a laser cutting machine according to an embodiment of the present invention;
FIG. 2 is an exploded view of a laser cutter plate support guard apparatus according to an embodiment of the present invention with the gravel layer removed;
fig. 3 is a sectional view showing a cut state of a serration panel according to an embodiment of the present invention;
fig. 4 is a sectional view showing an input state of a serration plate according to an embodiment of the present invention;
Fig. 5 is a top view of a protection device for supporting a sheet material of a laser cutting machine according to an embodiment of the present invention;
fig. 6 is an assembly schematic diagram of a serration plate and a lifting frame according to an embodiment of the present invention;
FIG. 7 is a schematic view of a center positioning rod, an edge positioning rod and a lifting structure thereof according to an embodiment of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 1 at A;
FIG. 9 is an exploded view of a sand tank provided by an embodiment of the present invention;
FIG. 10 is an isometric view of a sand tank provided by an embodiment of the present invention;
FIG. 11 is an isometric view of a sand tank in a sand reclamation state provided by an embodiment of the present invention;
FIG. 12 is a cross-sectional view of a sand tank provided by an embodiment of the present invention;
FIG. 13 is a cross-sectional view of a sand tank according to an embodiment of the present invention in a gravel recovery state;
fig. 14 is another cross-sectional view showing a cut state of the serration panel according to the embodiment of the present invention;
Fig. 15 is another sectional view showing an input state of the serration plate according to the embodiment of the present invention;
FIG. 16 is an isometric view of a first hydraulic cylinder provided in an embodiment of the present invention;
FIG. 17 is a schematic diagram illustrating connection between a cutting tank and a cooling tank according to an embodiment of the present invention;
fig. 18 is a schematic view showing a partial structure of a serration plate according to an embodiment of the present invention.
Icon: 1-cutting grooves; 2-gravel layer; 3-serration plate; 31-an insertion portion; 32-connecting plates; 301-lifting frame; 3011-mounting slots; 3012-connecting posts; 302-a first hydraulic cylinder; 3021-a connecting ring; 4-sand tank; 41-a sand outlet; 401-a mobile rack; 4011-wheels; 402-a first sand shovel; 403-a second sand shovel; 404-limiting columns; 5-bottom groove; 6-a cooling box; 601-cooling liquid; 7-a centering rod; 701-edge positioning rod; 702-a second hydraulic cylinder; 703-third hydraulic cylinder.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the 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 application.
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, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, welded, bolted, or riveted; the connecting device can be fixedly connected, detachably connected or integrally 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 application will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1-18, fig. 1-18 illustrate an embodiment of the present application.
The embodiment provides a protection device for supporting a plate of a laser cutting machine, which comprises a cutting groove 1 and a gravel layer 2, wherein a serration plate 3 is connected in the cutting groove 1 in a lifting manner, the top of the serration plate 3 is provided with saw teeth, the gravel layer 2 is filled in the cutting groove 1 and wraps the serration plate 3, when the plate is in an input state, the serration plate 3 extends out of the top surface of the gravel layer 2, when the plate is in a cutting state, the saw teeth are used for supporting the plate to slide in, when the plate is in a cutting state, the serration plate 3 extends into the gravel layer 2, and when the gravel layer 2 is used for supporting the plate during laser cutting.
In use, the first hydraulic cylinder 302 is used for lifting the serration plate 3 to the state shown in fig. 4, then the serration plate 3 is slid into the metal plate from the side surface of the cutting groove 1, then the first hydraulic cylinder 302 is used for driving the serration plate 3 to descend to the state shown in fig. 3, the gravel layer 2 formed by stacking quartz gravel is used for supporting the metal plate, then the laser generator is used for focusing to cut the metal plate, gasified metal splashes onto the gravel layer 2, then the gasified metal is cooled and solidified to form agglomerations or fused quartz gravel, and a hardened quartz block is formed at the cutting position, and the serration plate 3 for reducing friction when the metal plate is fed is not affected obviously because the metal plate is sunk into the gravel layer 2.
After cutting, the cut parts and scraps are directly taken out, then the quartz blocks which are agglomerated or hardened are manually cleaned, and after the surface of the gravel layer 2 is flattened, the laser cutting operation is repeatedly performed.
It should be noted that, the quartz gravel adopted by the gravel layer 2 is the gravel with uneven size after the natural quartz stone is crushed, and a larger gap can be formed between the quartz gravel and the gravel, so that the gravel layer has better resistance effect on metal powder erosion and high-temperature deformation; meanwhile, the quartz gravel has certain transmissivity, effective light spots are difficult to form on the surface of the quartz gravel due to laser irradiation, the quartz gravel is further heated after laser cutting penetrates through a metal plate, and the irregular surface of the quartz gravel can also produce a refraction effect on laser, so that the laser is further attenuated.
Through the technical scheme, the gravel layer 2 is used for supporting when the plate is cut by laser, so that the melting and/or melting of the sawtooth plate 3 is avoided, the gravel layer 2 is directly removed after melting or being adhered with liquid metal, and the maintenance difficulty is reduced.
As a preferred embodiment, as shown in fig. 2, 6 and 16, the protection device further comprises a lifting frame 301 and a first hydraulic cylinder 302, wherein the lifting frame 301 is provided with a mounting groove 3011 and is detachably connected to the connecting plates 32 on two sides of the toothed plate 3 through screws, as shown in fig. 16, a movable part of the first hydraulic cylinder 302 is inserted into the bottom of the cutting groove 1 and then is connected with a connecting ring 3021 through threads, and the connecting ring 3021 is connected with a connecting column 3012 below the lifting frame 301 through bolts.
When in use, the eight first hydraulic cylinders 302 drive the two lifting frames 301 to lift at the same time, and drive the eleven mutually parallel toothed plates 3 connected in the middle to lift.
When the metal plate slides to cause abrasion of the serration panel 3, the connection plate 32 is separated from the installation groove 3011 by the removal screw, and the single-piece serration panel 3 is removed.
Through above-mentioned technical scheme, adopt the hydraulic cylinder drive to provide bigger driving force for the lift of serration plate 3, and the detachable connection of crane 301 and serration plate 3 can be convenient for change after serration plate 3 wearing and tearing, and it is more convenient to maintain.
As a preferred embodiment, as shown in fig. 6, the serration element 3 has an insertion part 31, and the insertion part 31 is wedge-shaped and provided on a surface of the serration element 3 facing away from the serration.
In use, the wedge-shaped insert 31 can press the underlying quartz gravel to both sides, facilitating the lowering of the serrated plate 3.
Through the technical scheme, the wedge-shaped insertion part 31 is arranged below the sawtooth plate 3, so that the resistance of the sawtooth plate 3 in descending is reduced, and the running smoothness of the sawtooth plate 3 is improved.
As a preferred embodiment, the guard also comprises a cooling box 6, as shown in fig. 17, the cooling box 6 being connected to the cutting tank 1 by a pipe, the top surface of the cooling liquid 601 in the cooling box 6 being flush with the top surface of the gravel layer 2.
During use, the external water supply pipe and the float valve are combined in an exemplary mode through the automatic fluid supplementing device, the liquid level in the cooling box 6 is kept to be flush with the top surface of the gravel layer 2, so that cooling fluid 601 is kept to permeate between the gravel layers 2, high-temperature metal liquid or gas can be quickly cooled through the cooling fluid 601 during laser cutting, and the cooling fluid 601 can also be used for placing metal powder to raise, so that metal mud is formed to be deposited between the gravel layers 2.
Through above-mentioned technical scheme, adopt cooling tank 6 to introduce cooling liquid 601 between the gravel layer 2, after mixing cooling liquid 601 in the gravel layer 2, the sheet metal of reduction laser melting that can be faster, the metal powder after the cooling liquid 601 absorption cooling simultaneously has reduced the dust pollution of laser cutting in-process, has improved the environmental protection effect.
As a preferred embodiment, as shown in fig. 1 and 8, the protection device further includes a sand tank 4, the sand tank 4 is slidably connected to the cutting tank 1 through a moving frame 401 as shown in fig. 8, the moving frame 401 is supported by a pair of grooved wheels 4011 and slides on the top of the side surface of the cutting tank 1, the moving frame 401 is welded to the side surface of the sand tank 4, the sand tank 4 slides along the length direction of the cutting tank 1, a sand outlet 41 is formed in the bottom of the sand tank 4, and the sand outlet 41 is abutted to the top surface of the gravel layer 2.
When the sand groove cutting device is used, after the agglomerate and the quartz block are cleaned, pits are formed on the surface of the sand groove 2, when the pit area influences the support of metal plates, the sand groove 4 is pushed to do one-time reciprocating motion on the cutting groove 1, quartz sand in the sand groove 4 leaks out through the sand outlet 41 to fill the pits, and the bottom surface of the sand groove 4 is leveled, so that the height of the upper surface of the sand groove 2 is maintained.
Through above-mentioned technical scheme, adopt sand tank 4 to supplement after cutting the loss of the sudden strain of a muscle gravel layer 2 in the groove 1, the gravel layer 2 keeps the same height when, reduces the altitude mixture control to laser convergence point, has improved laser cutting efficiency.
As a preferred embodiment, as shown in fig. 8 to 13, the sand tank 4 has a first side and a second side opposite to each other in the sliding direction, the first side is connected with a first sand shoveling plate 402, one end of the first sand shoveling plate 402 facing away from the sand tank 4 is abutted against the surface of the sand layer 2, the second side is connected with a second sand shoveling plate 403, and one end of the second sand shoveling plate 403 facing away from the sand tank 4 is abutted against the surface of the sand layer 2.
In use, as shown in fig. 12, the agglomerate and the quartz block are scooped up from the blade at the lower end of the sand-scooping plate, then piled up at the inclined surface of the sand-scooping plate, pushed to both ends of the cutting tank 1 while reciprocating, and then manually scooped up.
Through above-mentioned technical scheme, adopt to set up the shovel sand board in sand tank 4 both sides, shovel up caking and quartz block, avoid forming the gravel of big caking and influence the location of placing of panel, improved the precision of the location of panel repeatedly placed.
As a preferred embodiment, as shown in fig. 8 to 13, the protection device further includes a plurality of limiting columns 404, the limiting columns 404 are welded to the first side surface and the second side surface respectively, one end, away from the first side surface, of the limiting column 404 welded to the first side surface is abutted to the first sand shoveling plate 402, one end, away from the second side surface, of the limiting column 404 welded to the second side surface is abutted to the second sand shoveling plate 403, and both the first sand shoveling plate 402 and the second sand shoveling plate 403 are hinged to the sand groove 4.
When the sand shovel is used, not only the agglomeration and the quartz blocks can be piled up on the inclined plane of the sand shovel plate, but also the raised quartz gravel can be shoveled up, and at the moment, the sand shovel plate is rotated to pour the sand shovel plate into the sand groove 4, so that the small-particle quartz gravel can be recycled, and the massive agglomeration and the quartz blocks can be picked up.
Through above-mentioned technical scheme, adopt spacing post 404, limit post 404 provides the support to the shovel sand board when shovel sand, adopts articulated connected mode, can turn over unnecessary grit that shovel sand board was lifted into sand groove 4 in, makes the grit can recycle, has reduced the use of consumptive material.
As a preferred embodiment, as shown in fig. 5 and 7, the protection device further comprises a central positioning rod 7, wherein three central positioning rods 7 are connected in the cutting groove 1 in a lifting manner through a triangle and a second hydraulic cylinder 702 to form a positioning state and a cleaning state, when the central positioning rod 7 is in the positioning state, the top surface of the central positioning rod 7 is flush with the top surface of the gravel layer 2 and is abutted against the center of the bottom surface of the plate, and when the central positioning rod 7 is in the cleaning state, the top surface of the central positioning rod is immersed in the gravel layer 2.
Through above-mentioned technical scheme, adopt center locating lever 7 butt sheet material, when avoiding cutting complicated product profile, a large amount of gravel melts and causes the product to take place to incline and slide, has improved laser cutting's precision.
As a preferred embodiment, as shown in fig. 5 and 7, the protection device further comprises four edge positioning rods 701, wherein the edge positioning rods 701 are connected in the cutting groove 1 through a rectangular section bar frame and a third hydraulic cylinder 703 in a lifting manner, and when the edge positioning rods 701 are lifted, the top surfaces of the edge positioning rods are flush with the top surface of the gravel layer 2 and are abutted against the bottom surface of the plate.
It should be noted that, the end of the center positioning rod 7 and the end of the side positioning rod 701, which are abutted against the metal plate, may be a high temperature resistant and wear resistant metal cylindrical head connected by a screw, so as to enhance the wear resistance of the positioning rod, and the exemplary alloy material with the brand SKD-II is selected for manufacturing.
Through the technical scheme, the plurality of edge locating rods 701 are adopted to locate at four corners of the plate, so that after the partial occurrence of gravel melting, the plate integrally slides, and the precision of laser cutting is further improved.
As a preferred embodiment, as shown in fig. 1 to 4 and fig. 14 and 15, the protection device further includes a bottom groove 5, the bottom groove 5 is fastened to the bottom surface of the cutting groove 1, the bottom area of the bottom groove 5 is equal to the bottom area of the cutting groove 1, and the first hydraulic cylinder 302, the second hydraulic cylinder 702 and the third hydraulic cylinder 703 are all abutted in the bottom groove 5.
In use, the cooling liquid 601 oozing out from the movable end of the positioning rod and the first hydraulic cylinder 302 and the through hole formed in the bottom of the cutting groove 1 and the powder generated by abrasion of quartz gravel are finally collected by the bottom groove 5.
Through the above technical scheme, adopt the bottom tank 5 to accept the coolant liquid 601 and/or the gravel that spill in the cutting tank 1, avoided causing the pollution to the environment, improved the environmental protection that the device is suitable for.
The above description is merely an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present invention, and it is intended to cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A protective device for supporting a sheet material of a laser cutting machine, comprising:
the cutting groove (1) is internally connected with a sawtooth plate (3) in a lifting manner, and the top of the sawtooth plate (3) is provided with sawteeth;
a gravel layer (2) which fills the cutting groove (1) and wraps the serration plate (3);
when the plate material is conveyed into the cutting groove (1), the sawtooth plate (3) extends out of the top surface of the gravel layer (2) so that the sawtooth is abutted with the plate material to support the plate material;
When the laser cutting machine cuts the plate, the sawtooth plate (3) stretches into the gravel layer (2), and the gravel layer (2) is abutted with the plate so as to support the plate.
2. The protective device for sheet metal support of a laser cutting machine of claim 1, further comprising:
lifting frames (301) positioned on two opposite sides in the cutting groove (1), wherein the lifting frames (301) are detachably connected to two sides of the sawtooth plate (3);
The first hydraulic cylinder (302) is provided with a telescopic end and a fixed end, the telescopic end is connected with the lifting frame (301), and the first hydraulic cylinder (302) is used for controlling the lifting frame (301) to move relative to the cutting groove (1).
3. The protection device for the support of slabs of a laser cutting machine according to claim 2, wherein said serrated plate (3) has an insertion portion (31), said insertion portion (31) being wedge-shaped and being arranged on the side of said serrated plate (3) facing away from said serrations.
4. The protective apparatus for a laser cutter slab support of claim 3, further comprising:
and the cooling box (6) is communicated with the cutting groove (1), and the top surface of the cooling liquid (601) in the cooling box (6) is flush with the top surface of the gravel layer (2).
5. The protective device for sheet metal support of a laser cutter according to any one of claims 1 to 4, further comprising:
The sand tank (4), sliding connection in cutting groove (1), sand tank (4) are followed the length direction of cutting groove (1) is slided, play sand mouth (41) have been seted up to the bottom of sand tank (4), play sand mouth (41) butt in the top surface of gravel layer (2).
6. The protection device for supporting slabs of laser cutting machine according to claim 5, characterized in that said sand tank (4) has a first side and a second side opposite in sliding direction, said first side being connected with a first sand shoveling plate (402), one end of said first sand shoveling plate (402) facing away from said sand tank (4) being in abutment with the surface of said gravel layer (2), said second side being connected with a second sand shoveling plate (403), one end of said second sand shoveling plate (403) facing away from said sand tank (4) being in abutment with the surface of said gravel layer (2).
7. The protective device for sheet metal support of a laser cutter of claim 6, further comprising:
The sand shoveling device comprises a plurality of limiting columns (404), wherein the limiting columns (404) are respectively connected to the first side face and the second side face, the limiting columns (404) connected to the first side face are far away from one end of the first side face, the limiting columns (404) connected to the second side face are far away from one end of the second side face, the limiting columns (404) are far away from one end of the second side face, the second sand shoveling plates (403), and the first sand shoveling plates (402) and the second sand shoveling plates (403) are hinged to the sand groove (4).
8. The protective device for sheet metal support of a laser cutter of claim 7, further comprising:
The central locating rod (7) is connected in the cutting groove (1) in a lifting mode, the central locating rod (7) is in a locating state and a cleaning state, when the central locating rod (7) is in the locating state, the top surface of the central locating rod is flush with the top surface of the gravel layer (2) and is abutted to the center of the bottom surface of the plate, and when the central locating rod (7) is in the cleaning state, the top surface of the central locating rod extends into the gravel layer (2).
9. The protective device for sheet metal support of a laser cutter of claim 8, further comprising:
the side locating rods (701) are connected in the cutting groove (1) in a lifting mode, and the top surfaces of the side locating rods (701) are flush with the top surface of the gravel layer (2) when the side locating rods are lifted and abut against the bottom surface of the plate.
10. The protective device for sheet metal support of a laser cutter of claim 9, further comprising:
The bottom groove (5) is connected to the bottom surface of the cutting groove (1), and the bottom area of the bottom groove (5) is larger than or equal to the bottom area of the cutting groove (1).
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