Dust protected laser engraving device
Technical Field
The utility model relates to the technical field of laser cutting equipment, in particular to dustproof laser engraving equipment.
Background
Application No.: CN201820827980.6, publication No.: CN208262098U, a laser cutting machine with smoking dust collector, this utility model discloses a laser cutting machine with smoking dust collector, including laser cutting machine workstation, the top of laser cutting machine workstation is equipped with the suction hood, and the periphery of laser instrument is provided with the safety cover, links to each other with the smoking jar through the smoking pipe on the safety cover, still is equipped with the positioning mechanism who is convenient for the ash falling and conveniently advances line location to the work piece on the laser cutting machine workstation, and it has the dust absorption hole to open on the laser cutting machine workstation to be equipped with the drawer that is used for collecting the dust in the below in dust absorption hole. The utility model discloses a be provided with the safety cover on the laser instrument, play the effect that prevents the cutting smoke and dust outdiffusion to diffusing the dust in laser cutting machine workstation top region, through the suction pump effect down, the smoke and dust enters into the suction box from the suction hood, is provided with the dust absorption hole on the laser cutting machine workstation, plays and falls down the inside effect of drawer with the cutting smoke and dust, realizes the effective dust absorption to the laser cutting in-process, reduces the influence of smoke and dust to laser cutting machine.
The dust absorption is arranged above the workbench of the laser cutting machine to achieve the effect of preventing smoke dust from diffusing outwards, but the dust absorption efficiency of the dust absorption cover arranged at the top is low, and meanwhile, the smoke dust generated in the laser cutting process is upwards absorbed to easily influence the cutting tool bit of the laser engraving equipment, so that the dust-proof laser engraving equipment needs to be researched and developed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a dust-proof laser engraving device, which solves the technical problem that a dust hood arranged at the top absorbs dust to easily damage a laser cutting head.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a dust protected laser engraving apparatus comprising: the cutting and dust collecting device comprises a workbench, wherein a cutting support table is fixed on the workbench, a cavity is formed below the cutting support table, a hopper is fixed in the cavity, a dust collecting device is fixed at the bottom of the hopper and connected with a dust collecting box through an air duct, and the dust collecting device is connected with the dust collecting box through the air duct
And when the dust suction box is started, the smoke generated by the laser engraving equipment during working can be sucked from the lower part of the cutting support platform.
Preferably, the dust suction device includes: hold the pipe, hold pipe one end and fix the bottom of hourglass hopper, the other end that holds the pipe is fixed with the check valve, the check valve includes: the waste material slide valve comprises a valve body, two valve clacks and a valve rod, wherein the valve body is a hollow pipe body, two ends of the valve rod are fixed on the inner wall of the valve body, the two valve clacks are arranged on the same side of the valve rod in a mirror image mode and are rotatably connected with the valve rod, the two valve clacks are mutually supported through springs, and when the weight of waste materials accumulated on the valve clacks is larger than the elastic force of the springs, the valve clacks move downwards to enable the waste materials to slide off;
a dust suction hole communicated with a first air pipe is formed in the side wall, close to the leakage hopper, of the upper part of the accommodating pipe, and the first air pipe is communicated with the air duct; the waste material can fall into the containing pipe along the hopper, wherein
When the dust collection box works, negative pressure can be formed in the containing pipe.
Preferably, a dust cover is further fixed on the workbench, a semi-open structure is formed by the dust cover surrounding three edges of the cutting support table, a plurality of dust suction pipes are further arranged in the dust cover, each dust suction pipe is correspondingly fixed on one edge of the cutting support table, a plurality of dust suction ports are formed in each dust suction pipe, the openings of the dust suction ports face the cutting support table, each dust suction pipe is connected with the air duct through a second air pipe, and the second air pipe is fixed in the middle of the dust suction pipe and communicated with the dust suction pipe.
Preferably, the inner wall of the dust collection pipe is further provided with a first drainage plate, a second drainage plate and a spoiler, one end of the first drainage plate is obliquely fixed on the upper inner wall of the dust cover, one end of the second drainage plate is obliquely fixed on the lower inner wall of the dust cover, the other end of the first drainage plate and the other end of the second drainage plate are fixed with the second air pipe, the spoiler is fixed between the first drainage plate and the second drainage plate, the spoiler is trapezoidal, and the long trapezoidal edge faces towards the dust collection port.
Preferably, the dust box includes: box, elementary interception net, secondary filter screen and negative-pressure air fan, the box is the cuboid, the wind channel is fixed one side lower part of box, elementary interception net sets up be close to in the box one side in wind channel, the secondary filter screen is the active carbon filter screen, negative-pressure air fan sets up one side that is close to the air outlet in the box, the secondary filter screen sets up negative-pressure air fan with between the elementary interception net.
Preferably, the bottom of the cavity body is further provided with a recycling basket, the recycling basket is arranged on the lower portion of the accommodating pipe, and waste materials can fall into the recycling basket after the valve clack slides.
Preferably, two movable sliding rails and movable sliding blocks matched with the movable sliding rails are further arranged on two sides of the cutting support platform, the two movable sliding blocks are connected through a support beam, and one movable sliding block can be moved to be capable of being linked with the other movable sliding block to move synchronously.
The utility model has the beneficial effects that: a dust protected laser engraving apparatus comprising: the laser engraving machine comprises a workbench, wherein a cutting support table is fixed on the workbench, a cavity is formed below the cutting support table, a hopper is fixed in the cavity, a dust suction device is fixed at the bottom of the hopper, the dust suction device is connected with a dust suction box through an air duct, and the dust suction box can be started and can be used for sucking smoke generated in the working process of the laser engraving equipment from the lower portion of the cutting support table.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a dust-proof laser engraving apparatus of the present invention;
FIG. 2 is a perspective view of the dust extraction of the present invention;
FIG. 3 is a longitudinal cross-sectional view of the check valve of the present invention in a first state;
FIG. 4 is a longitudinal cross-sectional view of the suction hose of the present invention;
FIG. 5 is a longitudinal cross-sectional cut-away view of the suction box of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;
fig. 7 is a longitudinal cross-sectional view of the check valve of the present invention in a second state.
In the figure:
the dust collection device comprises a workbench 1, a dust cover 10, a dust collection pipe 101, a dust collection port 1011, a first flow guide plate 1012, a second flow guide plate 1013, a spoiler 1014 and a recovery basket 11;
the cutting support platform 2, the movable slide rail 21, the movable slide block 22, the hopper 3, the dust suction device 4, the containing pipe 41, the one-way valve 42, the valve body 421, the valve clack 422, the valve rod 423 and the spring 424;
the air duct 5, the first air duct 51, the second air duct 52, the dust collection box 6, the box body 61, the primary interception net 62, the secondary filter screen 63, the negative pressure fan 64 and the air outlet 65.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, 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. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 7, the present invention provides a dust-proof laser engraving apparatus, comprising: the cutting device comprises a workbench 1, wherein a cutting support table 2 is fixed on the workbench, a plurality of gaps are formed in the cutting support table 2, and workpiece cutting waste can fall into a leakage hopper 3 through the gaps; a cavity body is arranged below the cutting support table 2 of the workbench 1, a leakage hopper 3 is fixed in the cavity body, a dust suction device 4 is fixed at the bottom of the leakage hopper 3, the dust suction device 4 is connected with a dust suction box 6 through an air duct 5, a negative pressure fan 64 is arranged in the dust suction box 6, the negative pressure fan 64 is started to form negative pressure in the dust suction device 4, and smoke dust generated when a laser engraving device cuts a workpiece can be sucked away by the negative pressure fan 64; wherein activation of said suction box 6 enables to extract from the lower part of said cutting support table 2 the fumes generated by the operation of the laser engraving device. The laser engraving machine is simple in structure, the hopper 3 is arranged below the cutting support table 2, the dust suction device 4 is arranged below the hopper 3 to suck away smoke dust generated during cutting of a workpiece, and compared with the case that the dust suction device 4 is arranged at the upper part, the dust suction device 4 arranged at the lower part is convenient for workpiece processing of a laser engraving device, and meanwhile, the dust is sucked away downwards and cannot corrode a cutting tool bit, so that the working efficiency is improved, and the service life of the cutting tool bit is also protected.
Optionally, the dust suction device 4 includes: a holding tube 41, wherein the holding tube 41 is a cylindrical hollow body, one end of the holding tube 41 is fixed at the bottom of the leakage hopper 3, and a one-way valve 42 is fixed at the other end of the holding tube 41, and the one-way valve 42 comprises: valve body 421, two valve clacks 422 and valve rod 423, valve body 421 is the cavity body, the internal diameter of valve body 421 is not less than hold the internal diameter of pipe 41, the both ends of valve rod 423 are fixed the inner wall of valve body 421, two valve clacks 422 mirror image sets up valve rod 423 homonymy, and with valve rod 423 rotates to be connected, valve clack 422 semicircular in shape just valve clack 422 circular arc section is equipped with the gasket, two valve clack 422 supports each other through spring 424, works as accumulational waste material weight is greater than on the valve clack 422 during spring 424 elasticity, valve clack 422 moves down and makes the waste material landing, is in this moment under spring 424's the spring action two valve clack 422 resets to the closed condition. A dust suction hole communicated with a first air pipe 51 is formed in the side wall, close to the leakage hopper 3, of the upper part of the accommodating pipe 41, and the first air pipe 51 is communicated with the air duct 5; when the valve flap 422 is in the closed state, negative pressure is formed in the accommodating tube 41 by activating the negative pressure blower 64. Waste material can fall down the hopper 3 into the containing tube 41, wherein when the dust suction box 6 is in operation, a negative pressure is formed in the containing tube 41.
Preferably, a dust cover 10 is further fixed on the workbench 1, and the dust cover 10 is L-shaped "
One end of the dust cover 10 is vertically fixed on the workbench 1, and the other end of the dust cover 10 is parallel to the workbench 1; the dust cover 10 surrounds three edges of the cutting support table 2 to form a semi-open structure, a plurality of dust suction pipes 101 are further arranged in the dust cover 10, two ends of each dust suction pipe 101 are closed, and a plurality of dust suction ports 1011 are formed in one side wall of each dust suction pipe 101; each dust suction pipe 101 is correspondingly fixed on one edge of the cutting support table 2, a plurality of dust suction ports 1011 are formed in each dust suction pipe 101, the openings of the dust suction ports 1011 face the cutting support table 2, each dust suction pipe 101 is connected with the air duct 5 through a second air pipe 52, and the second air pipe 52 is fixed in the middle of the dust suction pipe 101 and is communicated with the dust suction pipe 101. When the dust collection box 6 is started, negative pressure can be formed in the dust collection pipe 101, and smoke generated by cutting a workpiece by the laser engraving machine can be sucked away along the dust collection port 1011. The inner wall of the dust suction pipe 101 is further provided with a first flow guide plate 1012, a second flow guide plate 1013 and a spoiler 1014, one end of the first flow guide plate 1012 is obliquely fixed on the upper inner wall of the dust cover 10, one end of the second flow guide plate 1013 is obliquely fixed on the lower inner wall of the dust cover 10, the other ends of the first flow guide plate 1012 and the second flow guide plate 1013 are fixed with the second air duct 52, and the first flow guide plate 1012 and the second flow guide plate 1013 increase the air inlet area of the second air duct 52; the spoiler 1014 is fixed between the first flow-guiding plate 1012 and the second flow-guiding plate 1013, and the spoiler 1014 is arranged between the first flow-guiding plate 1012 and the second flow-guiding plate 1013, on one hand, when smoke is sucked away from two sides by the second air duct 52 due to the blocking of the spoiler 1014, the flow rate is faster, and also because the dust-collecting tube 101 is long, the second air duct 52 is fixed in the middle of the dust-collecting tube 101, and the spoiler 1014 is blocked between the first flow-guiding plate 1012 and the second flow-guiding plate 1013, so that the suction force generated by the second air duct 52 has the suction force along the dust-collecting port 1011 formed at the two ends of the dust-collecting tube 101 by the spoiler 1014. The spoiler 1014 is trapezoidal, and the long side of the trapezoid faces the dust suction port 1011.
Optionally, the dust collection box 6 includes: the air duct structure comprises a box body 61, a primary interception net 62, a secondary filter screen 63 and a negative pressure fan 64, wherein the box body 61 is a cuboid, the air duct 5 is fixed at the lower part of one side of the box body 61, the primary interception net 62 is arranged at one side, close to the air duct 5, in the box body 61, the primary interception net 62 is replaceable, and when too much smoke dust filtered by the primary interception net 62 blocks meshes, the primary interception net 62 can be detached and cleaned and then used again; second grade filter screen 63 is the active carbon filter screen, some harmful substance in the second grade filter screen 63 can the adsorption filtration smoke and dust, negative-pressure air fan 64 sets up be close to the one side of air outlet 65 in the box 61, second grade filter screen 63 sets up negative-pressure air fan 64 with between the elementary interception net 62.
Preferably, cavity body bottom still is equipped with one and retrieves basket 11, it sets up to retrieve basket 11 hold 41 lower parts, the drawable setting of retrieving basket 11 is in the work platform lower extreme, the waste material certainly can fall into after valve clack 422 landing retrieve basket 11. Two movable slide rails 21 are further arranged on two sides of the cutting support table 2, the movable slide rails 21 are fixed on two sides of the cutting support table 2, and the movable slide blocks 22 matched with the movable slide rails 21 are connected with one another through a support beam, a cutting tool bit of the laser engraving equipment is fixed on the support beam, and one movable slide block 22 is moved to be capable of being linked with the other movable slide block 22 to move synchronously.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.