CN114289898A - Laser cutting device capable of efficiently cleaning dust - Google Patents

Abstract

The invention discloses a laser cutting device capable of efficiently clearing dust, which comprises a laser cutting machine body, wherein a bottom groove is formed in the inner side of the bottom of the laser cutting machine body, a horizontal rod is fixedly installed at the bottom of the side wall of the bottom groove, an adjusting threaded rod is installed on the side wall of the bottom groove above the horizontal rod in a penetrating mode through a bearing seat, dust suppression mechanisms are arranged at the tops of a first guide plate and a second guide plate respectively, the dust suppression mechanisms penetrate through side movable windows, the side movable windows are arranged on the side wall of the bottom of the laser cutting machine body, and the dust suppression mechanisms are connected with a water supply pipe. This but laser cutting device of high-efficient dust cleaning adopts neotype structural design, can not only carry out effective absorption and discharge to metal particles and powder that move to laser beam cutting position below, can change alone the sawtooth structure that supports the work piece moreover, has not only reduced the cost of whole change bearing structure, has guaranteed the stability of work piece in the course of working moreover.

Description

Laser cutting device capable of efficiently cleaning dust

Technical Field

The invention belongs to the technical field of laser cutting, and particularly relates to a laser cutting device capable of efficiently cleaning dust.

Background

The laser cutting machine is an automatic cutting device, the laser cutting machine focuses the laser emitted from the laser into a laser beam with high power density through an optical path system, the laser beam irradiates the surface of a workpiece to enable the workpiece to reach a melting point or a boiling point, and finally a cutting seam is formed on a material along with the movement of the relative position of the beam and the workpiece, so that the purpose of cutting is achieved, and when the laser beam irradiates the surface of the workpiece, high-pressure gas coaxial with the beam blows away molten or gasified metal to reduce scraps remained on the workpiece.

After the molten or gasified metal is blown away by the high-pressure gas coaxial with the laser beam of the existing laser cutting machine, the metal particles and powder which are cooled and changed into solid state again remain in the laser cutting machine and cannot be discharged, the laser cutting machine needs to be periodically disassembled, and the remained metal particles and powder are cleaned, so that the operation is troublesome, moreover, the laser cutting machine adopts a steel sheet with a sawtooth structure arranged at the top to support the workpiece, the contact area with the workpiece is reduced while the supporting effect is ensured, the traditional flat plate type supporting structure is prevented from being cut by the laser beam, but after the laser cutting machine works for a period of time, the contact position of the top end of the sawtooth structure and the workpiece can be still melted, in order to control the cost, the steel sheet is generally replaced integrally after more top ends of the sawtooth structure are melted, and after the top ends of a plurality of the sawtooth structures are melted, the steel sheet cannot provide stable support for the workpiece, the workpiece is liable to shake during machining, and it should be noted that the above description belongs to the technical recognition category of the inventors, and does not necessarily constitute the prior art.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a laser cutting device capable of efficiently removing dust.

In order to achieve the purpose, the invention provides a laser cutting device capable of efficiently cleaning dust, which comprises a laser cutting machine body, wherein a bottom groove is formed in the inner side of the bottom of the laser cutting machine body, a discharge pipe is arranged in the center of the bottom surface of the bottom groove and penetrates through the bottom of the laser cutting machine body, a base plate is fixedly arranged at the top of the inner wall of the bottom groove, a clamping groove is formed in the top surface of the base plate, a side limiting groove is formed in the top of the side wall of the clamping groove, the inner wall of the clamping groove is attached to the bottom of a supporting iron plate, a horizontal bolt is arranged in a hole in the bottom of the supporting iron plate in a penetrating mode, two ends of the horizontal bolt are attached to the inner wall of the side limiting groove, a positioning nut is arranged at the tail end of the horizontal bolt, a horizontal rod is fixedly arranged at the bottom of the side wall of the bottom groove, an adjusting threaded rod is arranged on the side wall of the bottom groove above the horizontal rod in a penetrating mode through a bearing seat, and the horizontal rod and the adjusting threaded rod penetrate through the bottoms of a first guide plate and a second guide plate, the top of first guide board and second guide board all is provided with presses down dirt mechanism, and presses down dirt mechanism and run through the side activity window to the side activity window is seted up on laser cutting machine body bottom lateral wall, presses down dirt mechanism and delivery pipe interconnect simultaneously.

In one example: the base plate is densely arranged on the inner wall of the bottom groove at equal intervals, the supporting iron plates are arranged in the clamping grooves formed in the top of the base plate at equal intervals, the supporting iron plates are right-angled triangles in front view, and the supporting iron plates can be stably and vertically placed to support workpieces due to the structural design.

In one example: the hole that horizontal bolt and support iron plate bottom were seted up is sliding connection, and horizontal bolt and side spacing groove be sliding connection to the side spacing groove symmetry is seted up in the draw-in groove both sides, and foretell structural design makes horizontal bolt can with support convenient separation and the structure of iron plate, and the side spacing groove can restrict the position of supporting iron plate through horizontal bolt, is convenient for to the dismantlement and the fixed of supporting iron plate.

In one example: the horizontal rod and the adjusting threaded rod are distributed in parallel, smooth holes formed in the bottoms of the horizontal rod and the first guide plate and the second guide plate are in sliding connection, the adjusting threaded rod is in threaded connection with threaded holes formed in the bottoms of the first guide plate and the second guide plate, the first guide plate and the second guide plate are in right trapezoid shape in front view, inclined planes of the first guide plate and the second guide plate are arranged oppositely, the adjusting threaded rod can drive the first guide plate and the second guide plate to move in the same direction and synchronously horizontally by utilizing the threaded connection relation when rotating due to the structural design, the horizontal rod can limit the first guide plate and the second guide plate to be incapable of rotating, water drops condensed by water mist can be guided by the shapes of the first guide plate and the second guide plate, and the waste water containing metal particles and powder is discharged conveniently.

In one example: press down dirt mechanism and include interior water pipe and atomizer, and the inboard fixed mounting of interior water pipe has atomizer to interior water pipe fixed mounting is at first guide board and second guide board top, and interior water pipe end runs through the side activity window, and interior water pipe is terminal fixed with water piping connection simultaneously, and foretell structural design can produce intensive water smoke in the below of laser beam cutting work piece, carries out effective absorption to the metal particle and the powder that are blown downwards with the coaxial high-pressure gas of light beam.

In one example: the atomizer at first guide board and second guide board top sets up for relative, and the atomizer sets up for the slope is downwards, and foretell structural design makes water smoke can fully contact with the air current that contains metal granule and powder, guarantees the adsorption effect of water smoke to metal granule and powder in the air current.

The laser cutting device capable of efficiently cleaning dust provided by the invention can bring the following beneficial effects: by adopting a novel structural design, not only can metal particles and powder moving to the position below the cutting position of the laser beam be effectively adsorbed and discharged, but also the sawtooth structure for supporting the workpiece can be independently replaced, so that the cost for integrally replacing the supporting structure is reduced, and the stability of the workpiece in the processing process is ensured;

1. through the mutual cooperation of the bottom groove, the discharge pipe, the horizontal rod, the adjusting threaded rod, the first guide plate, the second guide plate, the dust suppression mechanism, the side movable window and the water supply pipe, not only can metal particles and powder generated by laser cutting be effectively adsorbed by water mist, but also the horizontal position of the water mist generation structure can be conveniently adjusted, is conveniently aligned with the cutting position, and can efficiently carry out dust removal operation;

2. through base plate, draw-in groove, side spacing groove, horizontal bolt and set nut work of mutually supporting, iron plate is supported in dismantlement and installation that can be convenient, and the support iron plate of change top damage can be pertinence demolishd, has not only avoided the material of whole change extravagant, guarantees moreover that the work piece is in stable state all the time in the course of working.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic front sectional view of the base plate, the first guide plate and the second guide plate according to the present invention;

FIG. 4 is a schematic view of a cross-sectional side view of the side limiting groove of the present invention;

fig. 5 is a schematic side sectional view of the base plate and the supporting iron plate according to the present invention.

In the figure: 1. a laser cutting machine body; 2. a bottom groove; 3. a discharge pipe; 4. a substrate; 5. a card slot; 6. a side limiting groove; 7. supporting the iron plate; 8. a horizontal bolt; 9. positioning a nut; 10. a horizontal bar; 11. adjusting the threaded rod; 12. a first guide plate; 13. a second guide plate; 14. a dust suppression mechanism; 1401. an inner water pipe; 1402. an atomizing spray head; 15. a side movable window; 16. a water supply pipe.

Detailed Description

In order to more clearly explain the overall concept of the invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for ease of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description of the present specification, reference to the description of the terms "one aspect," "some aspects," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 5, an embodiment of the present invention provides a laser cutting device capable of efficiently cleaning dust, including a laser cutting machine body 1, a bottom groove 2, a discharge pipe 3, a base plate 4, a clamping groove 5, a side limiting groove 6, a supporting iron plate 7, a horizontal bolt 8, a positioning nut 9, a horizontal rod 10, an adjusting threaded rod 11, a first guide plate 12, a second guide plate 13, a dust suppression mechanism 14, an internal water pipe 1401, an atomizing nozzle 1402, a side movable window 15 and a water supply pipe 16, wherein the bottom groove 2 is formed on the inner side of the bottom of the laser cutting machine body 1, the discharge pipe 3 is installed at the center of the bottom surface of the bottom groove 2, the discharge pipe 3 is installed at the bottom of the laser cutting machine body 1 in a penetrating manner, the base plate 4 is fixedly installed at the top of the inner wall of the bottom groove 2, the clamping groove 5 is formed on the top surface of the base plate 4, the side limiting groove 6 is formed at the top of the side wall of the clamping groove 5, the inner wall of the clamping groove 5 is attached to the bottom of the supporting iron plate 7, and support and run through in 7 bottom holes in iron plate and install horizontal bolt 8, and the laminating of horizontal bolt 8 both ends and 6 inner walls of side spacing groove, set nut 9 is installed to horizontal bolt 8 end simultaneously, 2 lateral wall bottoms fixed mounting in kerve have horizon bar 10, and run through the bearing frame on the 2 lateral walls in kerve above horizon bar 10 and install adjustment threaded rod 11, and horizon bar 10 and adjustment threaded rod 11 all run through the bottom of first guide board 12 and second guide board 13, the top of first guide board 12 and second guide board 13 all is provided with presses down dirt mechanism 14, and presses down dirt mechanism 14 and runs through side movable window 15, and side movable window 15 is seted up on 1 bottom lateral wall of laser cutting machine body, press down dirt mechanism 14 and delivery pipe 16 interconnect simultaneously.

Specifically, base plate 4 is equidistant intensive setting on kerve 2 inner wall, and equidistant being provided with support iron plate 7 in the draw-in groove 5 that the base plate 4 top was seted up to support iron plate 7's front view shape is right triangle, and foretell structural design makes support iron plate 7 can stabilize vertical the placing, supports the work piece.

Specifically, the hole that horizontal bolt 8 and support iron plate 7 bottom were seted up is sliding connection, and horizontal bolt 8 and side spacing groove 6 are sliding connection to side spacing groove 6 symmetry is seted up in draw-in groove 5 both sides, and foretell structural design makes horizontal bolt 8 can with support convenient separation and the structure of iron plate 7, and side spacing groove 6 can restrict the position of supporting iron plate 7 through horizontal bolt 8, is convenient for to support iron plate 7's dismantlement and fixed.

Specifically, the horizontal bar 10 and the adjusting threaded bar 11 are distributed in parallel, the horizontal bar 10 is slidably connected with the smooth holes formed at the bottoms of the first guide plate 12 and the second guide plate 13, the adjusting threaded bar 11 is in threaded connection with the threaded holes formed at the bottoms of the first guide plate 12 and the second guide plate 13, the first guide plate 12 and the second guide plate 13 are both in right trapezoid shape in front view, and the inclined surfaces of the first guide plate 12 and the second guide plate 13 are oppositely arranged, the above structural design enables the adjusting threaded bar 11 to drive the first guide plate 12 and the second guide plate 13 to synchronously and horizontally move in the same direction by utilizing the threaded connection relationship when rotating, the horizontal bar 10 can limit the first guide plate 12 and the second guide plate 13 from rotating, and the shape of the first guide plate 12 and the second guide plate 13 can guide the water drops condensed by water mist, facilitating the discharge of waste water containing metal particles and powder.

Specifically, the dust suppression mechanism 14 comprises an inner water pipe 1401 and an atomizing nozzle 1402, the atomizing nozzle 1402 is fixedly installed on the inner side of the inner water pipe 1401, the inner water pipe 1401 is fixedly installed on the tops of the first guide plate 12 and the second guide plate 13, the tail end of the inner water pipe 1401 penetrates through the side movable window 15, and meanwhile the tail end of the inner water pipe 1401 is fixedly connected with the water supply pipe 16.

Specifically, the atomizing nozzles 1402 on the tops of the first guide plate 12 and the second guide plate 13 are arranged oppositely, and the atomizing nozzles 1402 are arranged obliquely downwards, so that the water mist can be fully contacted with the airflow containing the metal particles and the powder through the structural design, and the adsorption effect of the water mist on the metal particles and the powder in the airflow is ensured.

The working principle is as follows: when the device is used, a workpiece to be cut is firstly placed on the top of a supporting iron plate 7 arranged on a base plate 4 in figure 2, the supporting iron plate 7 which is densely distributed stably supports the workpiece, then a laser cutting machine body 1 is started to cut the workpiece by laser, meanwhile, an adjusting threaded rod 11 is rotated by a handle at the tail end of the adjusting threaded rod 11, the adjusting threaded rod 11 drives a first guide plate 12 and a second guide plate 13 to synchronously and horizontally move to the position right below a cutting position along a horizontal rod 10 by utilizing a threaded connection relation, when the first guide plate 12 and the second guide plate 13 are displaced, an inner water pipe 1401 which is arranged at the top end slides along a side movable window 15 stably and horizontally, water is supplied to the inner water pipe 1401 by a water supply pipe 16 in figure 1, an atomizing spray nozzle 1402 which is oppositely arranged in figure 3 sprays water mist to the lower part of the center, and dense water mist is formed in the area between the first guide plate 12 and the second guide plate 13, when the laser beam of the laser cutting machine body 1 irradiates the surface of a workpiece placed at the top of the support iron plate 7, the molten or gasified metal is blown away downwards by high-pressure gas coaxial with the laser beam, the gas flow drives the molten or gasified metal to move downwards and rapidly cool the molten or gasified metal into metal particles and powder, and the metal particles and powder are adsorbed by dense water mist and condensed along with the water mist when reaching the position between the first guide plate 12 and the second guide plate 13 which are right below along the gas flow, flow down along the inclined inner side surfaces of the first guide plate 12 and the second guide plate 13, fall to the bottom of the bottom tank 2, are concentrated along the inclined bottom surface of the bottom tank 2, and are finally discharged from the discharge pipe 3, so that the effect of efficiently cleaning dust is achieved;

when the laser cutting machine body 1 works for a period of time, the top end of a supporting iron plate 7 arranged in a clamping groove 5 formed on the top surface of a base plate 4 is damaged by laser cutting, the positioning nuts 9 at the two ends of the horizontal bolt 8 in the figure 5 can be directly screwed off, the supporting iron plate 7 with the damaged top end is vertically taken up and separated from the clamping groove 5, the horizontal bolt 8 is drawn out from the hole formed at the bottom of the supporting iron plate 7 with the damaged top end, the new supporting iron plate 7 is taken out, the horizontal bolt 8 is inserted into the hole formed at the bottom of the new supporting iron plate 7, the horizontal bolt 8 is aligned with the side limiting groove 6 and vertically put down and clamped into the clamping groove 5, positioning nuts 9 are arranged at two ends of the horizontal bolt 8, the positioning nuts 9 extrude the base plate 4 to clamp and fix the supporting iron plate 7, the supporting iron plate 7 can stably support a workpiece, and the laser cutting machine body 1 can continue to perform laser cutting work.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. A laser cutting device capable of efficiently cleaning dust is characterized by comprising a laser cutting machine body, wherein a bottom groove is formed in the inner side of the bottom of the laser cutting machine body, a discharge pipe is arranged in the center of the bottom surface of the bottom groove, the discharge pipe is installed at the bottom of the laser cutting machine body in a penetrating manner, a base plate is fixedly installed at the top of the inner wall of the bottom groove, a clamping groove is formed in the top surface of the base plate, a side limiting groove is formed in the top of the side wall of the clamping groove, the inner wall of the clamping groove is attached to the bottom of a supporting iron plate, a horizontal bolt is installed in a hole in the bottom of the supporting iron plate in a penetrating manner, two ends of the horizontal bolt are attached to the inner wall of the side limiting groove, a positioning nut is installed at the tail end of the horizontal bolt, a horizontal rod is fixedly installed at the bottom of the side wall of the bottom groove above the horizontal rod, an adjusting threaded rod is installed on the side wall of the bottom groove above the horizontal rod in a penetrating manner through a bearing seat, and the horizontal rod and the adjusting threaded rod penetrate through the bottoms of a first guide plate and a second guide plate, the top of first guide board and second guide board all is provided with presses down dirt mechanism, and presses down dirt mechanism and run through the side activity window to the side activity window is seted up on laser cutting machine body bottom lateral wall, presses down dirt mechanism and delivery pipe interconnect simultaneously.

2. The laser cutting device capable of efficiently cleaning dust according to claim 1, wherein: the base plates are arranged on the inner wall of the bottom groove at equal intervals in a dense mode, supporting iron plates are arranged in clamping grooves formed in the top of the base plates at equal intervals, and the supporting iron plates are right-angled triangles in front view.

3. The laser cutting device capable of efficiently cleaning dust according to claim 1, wherein: the horizontal bolt is in sliding connection with a hole formed in the bottom of the supporting iron plate, the horizontal bolt is in sliding connection with the side limiting grooves, and the side limiting grooves are symmetrically formed in two sides of the clamping groove.

4. The laser cutting device capable of efficiently cleaning dust according to claim 1, wherein: the utility model discloses a guide plate, including the horizontal pole, first guide board and second guide board, the horizontal pole is parallel distribution with the adjustment threaded rod, and the horizontal pole is sliding connection with the smooth hole that first guide board and second guide board bottom were seted up to the adjustment threaded rod is threaded connection with the tapped hole that first guide board and second guide board bottom were seted up, the orthophoria shape of first guide board and second guide board is right trapezoid, and the inclined plane of first guide board and second guide board sets up for relative.

5. The laser cutting device capable of efficiently cleaning dust according to claim 1, wherein: press down dirt mechanism and include interior water pipe and atomizer, and the inboard fixed mounting of interior water pipe has atomizer to interior water pipe fixed mounting is at first guide board and second guide board top, and interior water pipe end runs through the side activity window, and interior water pipe end is connected fixedly with the delivery pipe simultaneously.

6. The laser cutting device capable of efficiently cleaning dust according to claim 5, wherein: the atomizer at first guide board and second guide board top sets up for relative, and the atomizer sets up for slope is downwards.

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