CN111761214A

CN111761214A - Dust removal device for laser engraving machine

Info

Publication number: CN111761214A
Application number: CN202010721687.3A
Authority: CN
Inventors: 孙楠楠; 吴兴隆; 张铁石; 杨春
Original assignee: China Star Industrial Design Jiangsu Co ltd
Current assignee: China Star Industrial Design Jiangsu Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-10-13

Abstract

The invention discloses a dust removal device for a laser engraving machine, which is characterized by comprising a base, a lifting mechanism, a dust hood and a dust collection mechanism, wherein the lifting mechanism is arranged on the base; the dust hood is horizontally arranged above the base and is in transmission connection with a lifting mechanism arranged on the base, and an air outlet pipe is arranged at the upper end of the dust hood and is communicated with an ash inlet of the dust collection mechanism through a hose. The invention provides a dust removal device for a laser engraving machine, which can effectively avoid dust accumulation in a dust suction pipe by arranging a plurality of rotatable second dust suction pipes to absorb dust generated in the working process of the laser engraving machine.

Description

Dust removal device for laser engraving machine

Technical Field

The invention relates to the field of laser engraving machines. More particularly, the present invention relates to a dust removing device for a laser engraving machine.

Background

Laser engraving machine utilizes laser beam to organic glass, plastics, non-metallic material such as paper cuts or glyptic equipment, under control system's control, driving motor drives the laser engraving head and carves or cuts the article of treating processing on the objective table, laser engraving machine often can produce a large amount of dusts at sculpture in-process, the bottom at laser engraving is installed mostly to current laser engraving machine's dust extraction, for the downdraft dust absorption, power is little, still can cause a large amount of dusts and the working area of flue gas gathering at laser engraving machine, do not realize good dust removal effect.

Disclosure of Invention

The invention aims to provide a dust removal device for a laser engraving machine.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a dust removing device for a laser engraving machine, including a base, a lifting mechanism, a dust suction hood, and a dust suction mechanism; the dust hood is horizontally arranged above the base and is in transmission connection with a lifting mechanism arranged on the base, and an air outlet pipe is arranged at the upper end of the dust hood and is communicated with an ash inlet of the dust collection mechanism through a hose.

Preferably, in the dust removing device for the laser engraving machine, the dust hood comprises a hood body, a gas pipe, a driving mechanism and a plurality of first dust suction pipes, the hood body is hollow and has an opening at the lower end, the lower end of the hood body is horizontally arranged above the base and is in transmission connection with the lifting mechanism, the gas pipe is arranged on the top wall of the hood body along the length direction of the hood body, the lower end of the gas pipe extends downwards and is communicated with the gas pipe, the lower end of the gas pipe is provided with a plurality of air suction ports at intervals along the length direction, the first dust suction pipes are respectively arranged in the air suction ports, the first dust suction pipes are respectively and coaxially provided with a second dust suction pipe, the upper end of each second dust suction pipe extends into the corresponding lower end opening of the first dust suction pipe and is rotatably connected with the first dust suction pipe through a bearing arranged at the lower end of the first dust suction pipe, the bearing is sealed, the lower end of the second dust collection pipe inclines outwards, and the driving mechanism is arranged on the top wall of the cover body and is in transmission connection with the second dust collection pipes.

Preferably, a dust collector for laser engraving machine in, actuating mechanism include first motor, annular chain, driving gear and with second dust absorption pipe quantity equals and a plurality of driven gear of one-to-one, first motor sets up the lower extreme of gas-supply pipe, the vertical downward setting of its output shaft, the coaxial cover of driving gear is established on the output shaft of first motor, driven gear coaxial cover respectively is established and is corresponded on the second dust absorption pipe, the driving gear pass through annular chain with driven gear is transmission connection all.

Preferably, in the dust removing device for the laser engraving machine, the lifting mechanism comprises a driving unit, a top plate, a bottom plate and four ball screws, the top plate and the bottom plate are respectively horizontally arranged above and below the base and are connected with the base through connecting rods, the base is a square plate body, four right angles of the ball screw are respectively provided with a through hole, four ball screws respectively vertically penetrate through the four through holes, the upper end and the lower end of the dust hood are respectively and rotationally connected with the top plate and the bottom plate, four connecting blocks which are in one-to-one correspondence with the four sliding blocks of the ball screw are arranged on the dust hood, the ball screws vertically penetrate through the corresponding connecting blocks respectively, the connecting blocks are connected with the corresponding sliding blocks of the ball screws, the driving unit is arranged on the bottom plate, and the four ball screws are in transmission connection with the driving unit.

Preferably, the dust removing device for the laser engraving machine comprises a driving unit, a driving unit and a base, wherein the driving unit comprises a second motor, a rotating shaft, a first driving wheel, a second driving wheel, a third driving wheel, a first driven wheel, two second driven wheels and two third driven wheels, the rotating shaft is vertically arranged, the upper end and the lower end of the rotating shaft are respectively connected with the middle part of the lower end of the base and the upper end of the base plate in a rotating manner, the second motor is arranged on the base plate, the first driving wheel is coaxially sleeved on an output shaft of the second motor, the first driven wheel, the second driving wheel and the third driving wheel are sequentially coaxially sleeved on the rotating shaft from top to bottom, the two second driven wheels are respectively coaxially sleeved on two adjacent ball screws, the two third driven wheels are respectively coaxially sleeved on the other two ball screws, and the first driving wheel and the first driven wheel are connected through a conveyor belt in a transmission manner, the second driving wheel is in transmission connection with the two second driven wheels through a conveying belt, and the third driving wheel is in transmission connection with the two third driven wheels through the conveying belt.

The dust removal device has the beneficial effects that the dust removal device adsorbs dust generated in the working process of the laser engraving machine by arranging the plurality of rotatable second dust collection pipes, so that the dust can be effectively prevented from being accumulated in the dust collection pipes.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic structural diagram of a dust removing device according to the present invention;

FIG. 2 is a top view of a suction hood according to the present invention;

fig. 3 is a schematic view illustrating the connection of the first suction pipe and the second suction pipe according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides a dust removing apparatus for a laser engraving machine, which is characterized by comprising a base 1, a lifting mechanism, a dust hood, and a dust suction mechanism 5; the dust hood is horizontally arranged above the base 1 and is in transmission connection with a lifting mechanism arranged on the base 1, an air outlet pipe 2 is arranged at the upper end of the dust hood, the air outlet pipe 2 is communicated with an ash inlet of a dust absorption mechanism 5 through a hose, concretely, the dust hood comprises a hood body 3, an air pipe 4, a driving mechanism and a plurality of first dust absorption pipes 6, the hood body 3 is hollow and has an opening at the lower end, the air pipe 2 is horizontally arranged above the base 1 and is in transmission connection with the lifting mechanism, the air pipe 4 is arranged on the top wall of the hood body 3 along the length direction of the hood body 3, the lower end of the air outlet pipe 2 extends downwards and is communicated with the air pipe 4, a plurality of air suction ports are arranged at intervals along the length direction of the lower end of the air pipe 4, the first dust absorption pipes 6 are arranged in the air suction ports, and second dust absorption pipes 7 are coaxially arranged in the first dust absorption pipes 6, the upper end of the second dust absorption pipe 7 stretches into the corresponding lower end opening of the first dust absorption pipe 6, the bearing at the lower end of the first dust absorption pipe 6 is connected with the first dust absorption pipe 6 in a rotating mode through the setting, the bearing is sealed, the lower end of the second dust absorption pipe 7 inclines outwards, the driving mechanism is arranged on the top wall of the cover body 3 and connected with the second dust absorption pipe 7 in a transmission mode.

In this embodiment, the dust suction mechanism 5 adopts an existing dust suction device, which sucks air into the dust suction hood to generate negative pressure inside the dust suction hood, so as to suck away dust on the laser engraving machine arranged below the dust suction hood; specifically, this application soil dog sets up a plurality of first dust absorption pipes 6 to rotatable setting second dust absorption pipe 7 of the lower extreme of every first dust absorption pipe 6, the lower extreme of second dust absorption pipe 7 leans out, at 5 during operation of dust absorption mechanism like this, drive many second dust absorption pipes 7 synchronous rotations through actuating mechanism, the motion trail of the lower extreme of second dust absorption pipe 7 all is a circumference, just so can enlarge the dust absorption area of second dust absorption pipe 7, thereby more effectual absorption to the dust on the laser engraving machine.

Preferably, as another embodiment of the present invention, the driving mechanism includes a first motor, an annular chain 8, a driving gear 9 and a plurality of driven gears 10 which are equal in number to the second dust suction pipes 7 and are in one-to-one correspondence, the first motor is disposed at the lower end of the gas transmission pipe 4, an output shaft of the first motor is disposed vertically downward, the driving gear 9 is coaxially sleeved on the output shaft of the first motor, the driven gears 10 are respectively coaxially sleeved on the corresponding second dust suction pipes 7, and the driving gear 9 is in transmission connection with the driven gears 10 through the annular chain 8.

In this embodiment, first motor rotates through driving gear 9, and driving gear 9 and a plurality of driven gear 10 all mesh with annular chain 8, and when driving gear 9 rotated, driving gear 9 can drive annular chain 8 and rotate like this to drive a plurality of driven gear 10 synchronous rotation.

Preferably, as another embodiment of the present invention, the elevating mechanism includes a driving unit, a top plate 11, a bottom plate 12 and four ball screws 13, the top plate 11 and the bottom plate 12 are respectively horizontally arranged above and below the base 1 and are connected with the base 1 through connecting rods, the base 1 is a square plate body, four right angles of the ball screw are respectively provided with a through hole, four ball screws 13 respectively vertically penetrate through the four through holes, the upper end and the lower end of the dust hood are respectively connected with the top plate 11 and the bottom plate 12 in a rotating way, the dust hood is provided with four connecting blocks 14 which are in one-to-one correspondence with the sliding blocks of the four ball screws 13, the ball screws 13 vertically penetrate through the corresponding connecting blocks 14 respectively, the connecting blocks 14 are connected with the corresponding sliding blocks of the ball screws 13, the driving unit is arranged on the bottom plate 12, and the four ball screws 13 are in transmission connection with the driving unit.

In this embodiment, drive four ball 13 synchronous rotations through drive unit, realize the lift of dust excluding hood, because ball 13 rotates the in-process, its nut is linear motion to the lift of drive dust excluding hood that can be stable.

Preferably, as another embodiment of the present invention, the driving unit includes a second motor 15, a rotating shaft 16, a first driving wheel, a second driving wheel, a third driving wheel, a first driven wheel, two second driven wheels and two third driven wheels, the rotating shaft 16 is vertically disposed, upper and lower ends of the rotating shaft 16 are respectively rotatably connected to the middle of the lower end of the base 1 and the upper end of the bottom plate 12, the second motor 15 is disposed on the bottom plate 12, the first driving wheel is coaxially sleeved on an output shaft of the second motor 15, the first driven wheel, the second driving wheel and the third driving wheel are sequentially coaxially sleeved on the rotating shaft 16 from top to bottom, the two second driven wheels are respectively coaxially sleeved on two adjacent ball screws 13, the two third driven wheels are respectively coaxially sleeved on the other two ball screws 13, the first driving wheel and the first driven wheel are in transmission connection through a conveyor belt, the second driving wheel is in transmission connection with the two second driven wheels through a conveying belt, and the third driving wheel is in transmission connection with the two third driven wheels through the conveying belt.

In this embodiment, the first driving wheel, the second driving wheel, the third driving wheel, the first driven wheel, the second driven wheel and the third driven wheel are belt pulleys, the second motor 15 drives the first driven wheel to rotate through the first driving wheel, that is, the rotating shaft 16 is driven to rotate synchronously, the rotating shaft 16 drives the second driving wheel and the third driving wheel to rotate again, the second driving wheel and the third driving wheel respectively drive the two second driven wheels and the two third driven wheels to rotate, and therefore synchronous rotation of the four ball screws 13 is achieved.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the embodiments shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims

1. A dust removal device for a laser engraving machine is characterized by comprising a base (1), a lifting mechanism, a dust hood and a dust suction mechanism (5); the dust hood is horizontally arranged above the base (1) and is in transmission connection with a lifting mechanism arranged on the base (1), an air outlet pipe (2) is arranged at the upper end of the dust hood, and the air outlet pipe (2) is communicated with an ash inlet of the dust collection mechanism (5) through a hose.

2. The dust removing device for the laser engraving machine according to claim 1, wherein the dust hood comprises a hood body (3), an air pipe (4), a driving mechanism and a plurality of first dust suction pipes (6), the hood body (3) is hollow and has an opening at the lower end, the lower end of the hood body is horizontally arranged above the base (1) and is in transmission connection with the lifting mechanism, the air pipe (4) is arranged on the top wall of the hood body (3) along the length direction of the hood body (3), the lower end of the air outlet pipe (2) extends downwards and is communicated with the air pipe (4), the lower end of the air pipe (4) is provided with a plurality of air suction ports along the length direction at intervals, the first dust suction pipes (6) are arranged in the air suction ports, the first dust suction pipes (6) are coaxially provided with second dust suction pipes (7), the upper ends of the second dust suction pipes (7) extend into the corresponding openings at the lower ends of the first dust suction pipes (6), the bearing arranged at the lower end of the first dust suction pipe (6) is rotatably connected with the first dust suction pipe (6), the bearing is sealed, the lower end of the second dust suction pipe (7) inclines outwards, and the driving mechanism is arranged on the top wall of the cover body (3) and is in transmission connection with the second dust suction pipes (7).

3. The dust removing device for the laser engraving machine according to claim 2, wherein the driving mechanism comprises a first motor, an annular chain (8), a driving gear (9) and a plurality of driven gears (10) which are equal in number and in one-to-one correspondence with the second dust suction pipes (7), the first motor is arranged at the lower end of the gas conveying pipe (4), an output shaft of the first motor is arranged vertically downwards, the driving gear (9) is coaxially sleeved on the output shaft of the first motor, the driven gears (10) are respectively coaxially sleeved on the corresponding second dust suction pipes (7), and the driving gear (9) is in transmission connection with the driven gears (10) through the annular chain (8).

4. The dust removing device for the laser engraving machine according to any one of claims 1 to 3, wherein the lifting mechanism comprises a driving unit, a top plate (11), a bottom plate (12) and four ball screws (13), the top plate (11) and the bottom plate (12) are respectively horizontally arranged above and below the base (1) and are respectively connected with the base (1) through connecting rods, the base (1) is a square plate body, a through hole is respectively arranged at four right angles of the square plate body, the four ball screws (13) respectively vertically penetrate through the four through holes, the upper end and the lower end of each of the four ball screws (13) are respectively rotatably connected with the top plate (11) and the bottom plate (12), the dust hood is provided with four connecting blocks (14) corresponding to sliding blocks of the four ball screws (13) one by one, the ball screws (13) respectively vertically penetrate through the corresponding connecting blocks (14), the connecting blocks (14) are connected with corresponding sliding blocks of the ball screws (13), the driving unit is arranged on the bottom plate (12), and the four ball screws (13) are in transmission connection with the driving unit.

5. The dust removing device for the laser engraving machine according to claim 4, wherein the driving unit comprises a second motor (15), a rotating shaft (16), a first driving wheel, a second driving wheel, a third driving wheel, a first driven wheel, two second driven wheels and two third driven wheels, the rotating shaft (16) is vertically arranged, the upper end and the lower end of the rotating shaft are respectively and rotatably connected with the middle part of the lower end of the base (1) and the upper end of the bottom plate (12), the second motor (15) is arranged on the bottom plate (12), the first driving wheel is coaxially sleeved on the output shaft of the second motor (15), the first driven wheel, the second driving wheel and the third driving wheel are sequentially coaxially sleeved on the rotating shaft (16) from top to bottom, the two second driven wheels are respectively coaxially sleeved on two adjacent ball screws (13), two the third is followed the coaxial cover respectively and is established on two other ball (13), first action wheel with first follow is connected through the conveyer belt transmission between the driving wheel, the second action wheel and two the second is followed and is connected through the conveyer belt transmission between the driving wheel, the third action wheel and two the third is followed and is connected through the conveyer belt transmission between the driving wheel.