CN212043129U

CN212043129U - Dust collector and laser cutting machine

Info

Publication number: CN212043129U
Application number: CN202020619992.7U
Authority: CN
Inventors: 王建业
Original assignee: Guangdong Kudi Erji Laser Equipment Co ltd
Current assignee: Guangdong Kudi Erji Laser Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-01
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a dust removing device and a laser cutting machine, wherein the dust removing device comprises a fan; the first end of the ventilation pipeline is communicated with the fan; and the dust removal box is provided with a dust removal cavity, the second end of the ventilation pipeline is communicated with the dust removal cavity, the dust removal box is also provided with a material receiving end, the material receiving end is provided with a material receiving port, and the material receiving port is communicated with the dust removal cavity. The laser cutting machine comprises the dust removal device. The fan is started, negative pressure environment is formed in the dust removal cavity, and then the material receiving port of the material receiving end is formed with negative pressure air flow, so that chips and dust generated during cutting of the laser head are adsorbed through the negative pressure air flow, an open type dust removal box is compared, the material receiving port enables the air flow to be further gathered, stronger air flow adsorption force is formed, the technical effect of dust removal is improved, and the problems of slag return, slag gathering and the like caused by insufficient adsorption force are prevented.

Description

Dust collector and laser cutting machine

Technical Field

The utility model relates to a laser cutting technical field especially relates to a dust collector and laser cutting machine.

Background

Laser, english full name: light Amplification by modulated Emission of Radiation, meaning "expanded by Stimulated Emission of Light", laser is another major utility creation by humans in the twentieth century after nuclear power, computers and semiconductors, and is called "fastest knife", "most accurate ruler" and "brightest Light". Laser cutting is the use of focused high power density laser beam to irradiate the workpiece, so that the irradiated material is melted, vaporized, ablated or reaches the burning point rapidly, and at the same time, the high speed gas flow coaxial with the beam blows off the melted material, thereby realizing the function of cutting the workpiece.

The laser cutting machine is a cutting machine manufactured by utilizing a laser cutting principle, and can enable laser emitted by a laser to pass through an optical path system, further focus the laser into a laser beam with high power density, and cut and process a workpiece by utilizing the laser beam. When the laser cutting machine is used for cutting, residues, scraps and dust are inevitably generated, and if the residues, the scraps and the dust are not cleaned in time, on one hand, the residues and the dust are easily stained on a material and a conveying belt, and on the other hand, the normal operation of equipment is also easily influenced for a long time. The traditional dust removal device is usually an open type opening, so that the problems of slag return, slag aggregation and the like are easily caused, and the dust removal effect is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a dust removing device and a laser cutting machine; the dust removal device has good dust removal effect and is not easy to return slag; this laser cutting machine adopts aforementioned dust collector, possesses better dust removal function.

The technical scheme is as follows:

in one aspect, an embodiment provides a dust removal device, comprising a fan; the first end of the ventilation pipeline is communicated with the fan; and the dust removal box is provided with a dust removal cavity, the second end of the ventilation pipeline is communicated with the dust removal cavity, the dust removal box is also provided with a material receiving end, the material receiving end is provided with a material receiving port, and the material receiving port is communicated with the dust removal cavity.

Above-mentioned dust collector starts the fan, makes the dust removal intracavity form the negative pressure environment, and then makes the material mouth that connects of connecing the material end be formed with the negative pressure air current to piece and the dust that produce when adsorbing the laser head cutting through the negative pressure air current compare the dust removal case of open-type, connect the material mouth to make the air current further gather, form stronger air current adsorption affinity, promote dust removal technological effect, and prevent that the not enough slag and the slag gathering scheduling problem that cause of adsorption affinity from appearing.

The technical solution is further explained below:

in one embodiment, the dust removal box is provided with a contraction portion, and the contraction portion is gradually contracted in the direction towards the material receiving end.

In one embodiment, the material receiving end is arranged in a column shape, the dust removing device further comprises a support ring, the support ring is arranged on the material receiving end, and the material receiving end is located between the support ring and the dust removing box.

In one embodiment, one end of the support ring is provided with a connecting part, the connecting part is used for being fixed with the material receiving end, the other end of the support ring is provided with a supporting part, and the supporting part is used for supporting materials.

In one embodiment, the outer ring of the support ring is recessed towards the inner side to form an annular groove, and the diameter of the inner ring of the support ring is smaller than that of the inner ring of the material receiving end;

the supporting part is annularly arranged on the outer ring of the supporting ring, and the supporting part is arranged in a plate shape.

In one embodiment, the support ring is further provided with an anti-friction member, and the anti-friction member is arranged on the plate surface of the support part.

In one embodiment, the anti-friction member is a rubber sheet, and the rubber sheet is annularly arranged and fixed on the supporting portion.

In another aspect, an embodiment further provides a laser cutting machine, including a frame; a laser head movable on the frame in a first direction and a second direction; the first conveying module and the second conveying module are arranged at intervals to form a working space, and both the first conveying module and the second conveying module can move on the rack along the first direction so as to enable the working space to correspond to the laser heads; and according to any one of the above technical solutions, the dust removing device can move on the frame along the first direction and the second direction, so that the dust removing device corresponds to the laser head.

Above-mentioned laser cutting machine, the laser head can move in the two-dimensional plane of first direction and second direction, and the working space that forms between first transport module and the second transport module changes the position along with the removal of laser head, and in order to get rid of piece and dust that produce when the laser cutting, dust collector also can move in the two-dimensional plane of first direction and second direction along with the laser head to form follow-up formula dust collector, promote dust removal effect.

The technical solution is further explained below:

in one embodiment, the laser cutting machine further comprises a first movable frame slidably engaged with the machine frame, the first movable frame being movable in the first direction on the machine frame, and a second movable frame slidably engaged with the first movable frame, the second movable frame being movable in the second direction on the first movable frame;

the first conveying module and the second conveying module are arranged on the first movable frame, and the dust removal device is arranged on the second movable frame.

In one embodiment, the laser cutting machine further includes a first driver, the first driver is disposed on the frame, and the first driver is configured to drive the first movable frame to move along the first direction on the frame;

the laser cutting machine further comprises a second driver, the second driver is arranged on the first movable frame, and the second driver is used for driving the second movable frame to move on the first movable frame along the second direction;

the second driver comprises a lead screw, a guide rail and a driving motor, the lead screw is rotatably arranged on the first movable frame and is distributed along the second direction, the guide rail is fixed on the first movable frame and is distributed along the second direction, the driving motor is fixed on the first movable frame and is in transmission fit with the lead screw, the second movable frame is in threaded fit with the lead screw, the second movable frame is also in guide fit with the guide rail, and the driving motor can drive the lead screw to rotate so that the lead screw drives the second movable frame to move on the first movable frame along the second direction;

the first movable frame is further provided with a mounting seat, an accommodating groove along the second direction is formed in the mounting seat, and the accommodating groove is used for accommodating a ventilating duct of the dust removal device;

the distance between the material receiving end on the dust removing device and the laser head is 10-20 mm.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a view showing an internal structure of a laser cutting machine according to an embodiment;

FIG. 2 is an enlarged view of a portion of the dust removing device in the embodiment of FIG. 1;

FIG. 3 is a schematic structural view of a dust removing box in the embodiment of FIG. 1;

fig. 4 is a schematic view of the gas flow direction at the position of the receiving port in the embodiment of fig. 1.

Reference is made to the accompanying drawings in which:

100. a dust removal box; 110. a dust removal cavity; 120. a material receiving end; 121. a material receiving port; 130. a constriction; 200. a ventilation duct; 300. a support ring; 310. a connecting portion; 320. a support portion; 330. an annular groove; 340. an anti-friction member; 400. a frame; 500. a laser head; 610. a first conveying module; 620. a second transport module; 700. a lead screw; 800. a mounting seat; 810. accommodating grooves; 900. and (4) material preparation.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

in order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, an embodiment provides a dust removing device, including a fan; a ventilation duct 200, wherein a first end of the ventilation duct 200 is communicated with the fan; and dust removal case 100, dust removal case 100 is equipped with dust removal chamber 110, the second end of air pipe 200 with dust removal chamber 110 communicates with each other, dust removal case 100 still is equipped with and connects material end 120, it is equipped with and connects material mouth 121 to connect material end 120, connect material mouth 121 with dust removal chamber 110 communicates with each other.

This dust collector starts the fan, makes the dust removal chamber 110 form the negative pressure environment, and then makes the material mouth 121 that connects of connecing material end 120 be formed with the negative pressure air current to piece and dust that produce when adsorbing the cutting of laser head 500 through the negative pressure air current, compare dust removal case 100 of open-type, connect material mouth 121 to make the air current further gather, form stronger air current adsorption affinity, promote dust removal technical effect, and prevent that the not enough slag return that causes of adsorption affinity and slag gathering scheduling problem from appearing.

The caliber of the material receiving port 121 on the material receiving end 120 is smaller than the internal size of the dust removing box 100, so that when a negative pressure environment is formed in the dust removing box 100, the material receiving port 121 equivalently plays a role in shrinking a space and equivalently gathers an adsorption acting force of air flow, thereby playing a role in enhancing a dust removing effect.

As shown in fig. 4, a strong airflow toward the inside of the dust removing box 100 is formed between the opening at the position of the material receiving opening 121 and the material 900 to be cut, and four arrow curves in fig. 4 represent the direction of the strong airflow toward the inside.

In one embodiment, as shown in fig. 3, the dust removing box 100 is provided with a contracting portion 130, and the contracting portion 130 is gradually contracted in a direction toward the receiving end 120.

In fig. 3, the upper portion of the dust removing box 100 is gradually contracted from bottom to top, which is equivalent to realizing the first collection of the air flow, the material receiving end 120 is arranged at the upper portion of the dust removing box 100, and the material receiving end 120 is equivalent to realizing the second collection of the air flow, so that the adsorption force of the air flow is gradually enhanced through two collections.

Further, the dust removing box 100 may be a rectangular box or a circular box. When the dust removing box 100 is a circular box body, the upper part of the dust removing box 100 is arranged in a circular truncated cone structure.

In one embodiment, referring to fig. 2 and fig. 3, the receiving end 120 is arranged in a column shape, the dust removing device further includes a support ring 300, the support ring 300 is arranged on the receiving end 120, and the receiving end 120 is located between the support ring 300 and the dust removing box 100.

When the laser head 500 cuts materials, since there is a working space between the first conveying module 610 and the second conveying module 620, and there is no structure for supporting the materials at the corresponding positions of the working space, the materials may collapse downward when being cut, and therefore, the support ring 300 is disposed above the material receiving end 120 on the dust removing box 100 to support the materials.

In one embodiment, referring to fig. 3, one end of the support ring 300 is provided with a connecting portion 310, the connecting portion 310 is used for being fixed with the receiving terminal 120, and the other end of the support ring 300 is provided with a supporting portion 320, and the supporting portion 320 is used for supporting a material.

The connecting portion 310 is used to fix the lower end of the support ring 300 and the upper end of the receiving end head 120 together, and since the position of the receiving end head 120 is a cavity structure, the annular structure of the support ring 300 should correspond to the cavity structure of the receiving port 121 of the receiving end head 120, and the connecting portion 310 can be arranged according to actual needs to achieve the technical effect of fixed connection.

In one embodiment, referring to fig. 3, the outer ring of the support ring 300 is recessed inward to form an annular groove 330, and the diameter of the inner ring of the support ring 300 is smaller than the diameter of the inner ring of the receiving terminal 120.

The annular groove 330 is equivalent to the neck part of the support ring 300, and the inner ring of the support ring 300 corresponding to the neck part contracts, so that the adsorbed airflow passing through the material receiving end 120 contracts and gathers again, thereby further enhancing the adsorption force.

In one embodiment, the supporting portion 320 is annularly disposed on the outer ring of the supporting ring 300, and the supporting portion 320 is disposed in a plate shape.

The supporting portion 320 is disposed annularly, which means that the supporting portion 320 surrounds the periphery of the supporting ring 300, and the supporting portion 320 is disposed in a plate shape, and the plate shape is disposed horizontally, so as to horizontally support the material, such as the material belt, in the horizontal direction.

In one embodiment, referring to fig. 2 and 3, the support ring 300 is further provided with an anti-friction member 340, and the anti-friction member 340 is disposed on the plate surface of the support portion 320.

The material is still in a conveying state in the cutting process, and the material in conveying is easy to rub against the supporting part 320, so that the surface of the material is abraded, and the processing quality of a product is affected.

Therefore, the anti-friction member 340 is provided to reduce friction between the material and the supporting portion 320, thereby ensuring the processing quality of the product.

In one embodiment, referring to fig. 2 and 3, the anti-friction member 340 is a rubber sheet, and the rubber sheet is disposed in a ring shape and fixed on the supporting portion 320.

In one embodiment, the support ring 300 is made of copper material; the dust box 100 is made of steel.

Referring to fig. 1, an embodiment further provides a laser cutting machine, which includes a frame 400; a laser head 500, the laser head 500 being movable in a first direction and a second direction on the machine frame 400; a first conveying module 610 and a second conveying module 620, wherein the first conveying module 610 and the second conveying module 620 are arranged at intervals and form a working space, and both the first conveying module 610 and the second conveying module 620 can move on the rack 400 along the first direction, so that the working space corresponds to the laser head 500; and the dust removing device according to any of the above embodiments, which is movable in the first direction and the second direction on the frame 400 so that the dust removing device corresponds to the laser head 500.

According to the laser cutting machine, the laser head 500 can move in the two-dimensional plane of the first direction and the second direction, the working space formed between the first conveying module 610 and the second conveying module 620 changes positions along with the movement of the laser head 500, and in order to remove chips and dust generated during laser cutting, the dust removal device can also move in the two-dimensional plane of the first direction and the second direction along with the laser head 500, so that a follow-up dust removal device is formed, and the dust removal effect is improved.

As shown in fig. 1, the laser head 500 may be moved in a left-right direction (first direction), and the laser head 500 may also be moved in a front-back direction (second direction), that is, the laser head 500 may be moved two-dimensionally.

Accordingly, the first and

second transport modules

610 and 620 may move in the left and right directions to make the working space correspond to the position of the laser head 500, and since the working space between the first and

second transport modules

610 and 620 has a front and rear width corresponding to the front and rear movement amplitude of the laser head 500, the first and

second transport modules

610 and 620 do not need to move in the front and rear direction, and of course, the first and

second transport modules

610 and 620 may also move in the front and rear direction to move in synchronization with the laser head 500 as required.

The dust removing device may also be moved in the left-right and front-rear directions to correspond to the position of the laser head 500, that is, the dust removing device may also be moved two-dimensionally.

In one embodiment, the laser cutting machine further comprises a first movable frame slidably engaged with the machine frame 400, the first movable frame being movable in the first direction on the machine frame 400, and a second movable frame slidably engaged with the first movable frame, the second movable frame being movable in the second direction on the first movable frame; the first conveying module 610 and the second conveying module 620 are arranged on the first movable frame, and the dust removing device is arranged on the second movable frame.

In one embodiment, the laser cutting machine further includes a first driver disposed on the frame 400, and the first driver is configured to drive the first movable frame to move along the first direction on the frame 400. The first driver may be an electric push rod or a hydraulic push rod.

In one embodiment, the laser cutting machine further includes a second driver, the second driver is disposed on the first movable frame, and the second driver is configured to drive the second movable frame to move on the first movable frame along the second direction. The second driver may also be an electric push rod or a hydraulic push rod, and of course, the technical effect of outputting linear driving may also be realized by a lead screw 700 guide rail.

In one embodiment, the second driver is driven by way of a lead screw 700 guide, specifically:

the second driver comprises a screw 700, a guide rail and a driving motor, the screw 700 is rotatably arranged on the first movable frame and is arranged along the second direction, the guide rail is fixed on the first movable frame and is arranged along the second direction, the driving motor is fixed on the first movable frame and is in transmission fit with the screw 700, the second movable frame is in threaded fit with the screw 700, the second movable frame is also in guide fit with the guide rail, and the driving motor can drive the screw 700 to rotate so that the screw 700 drives the second movable frame to move on the first movable frame along the second direction.

Further, lead screw 700 is equipped with two and is that the rotation of controlling the interval is established on first adjustable shelf, and two lead screws 700 all cooperate with the spiro union of second adjustable shelf, certainly, because dust removal case 100 can be fixed on the second adjustable shelf, consequently, two lead screws 700 also can directly carry out the spiro union cooperation with the left and right sides of dust removal case 100 as shown in fig. 1 and fig. 3, of course, the guide rail is equipped with two to with the supporting setting of lead screw 700, technical personnel in the art can accomplish specific the arranging according to the design needs.

In one embodiment, the first movable frame is further provided with a mounting seat 800, a receiving groove 810 along the second direction is formed on the mounting seat 800, and the receiving groove 810 is used for receiving the ventilation duct 200 of the dust removing device.

The ventilation duct 200 is a hose, and in the process of moving the dust removing box 100, the ventilation duct 200 can move along with the movement, the mounting base 800 is fixed on the first movable frame, and the mounting base 800 is formed with an accommodating groove 810 arranged along the front-back direction (i.e. the second direction) to accommodate the ventilation duct 200, which is equivalent to making the ventilation duct 200 follow up in the accommodating groove 810.

In one embodiment, the distance between the material receiving end 120 on the dust removing device and the laser head 500 is 10mm-20 mm.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A dust removing device characterized by comprising:

a fan;

the first end of the ventilation pipeline is communicated with the fan; and

the dust removal case, the dust removal case is equipped with the dust removal chamber, air pipe's second end with the dust removal chamber communicates with each other, the dust removal case still is equipped with connects the material end, it is equipped with and connects the material mouth to connect the material end, connect the material mouth with the dust removal chamber communicates with each other.

2. A dust collector as claimed in claim 1, wherein the dust collecting box is provided with a contraction part which is gradually contracted in a direction towards the material receiving end.

3. The dust collector according to claim 2, wherein the receiving end is arranged in a column shape, the dust collector further comprises a support ring, the support ring is arranged on the receiving end, and the receiving end is located between the support ring and the dust removal box.

4. The dust collector as claimed in claim 3, wherein one end of the support ring is provided with a connecting part for fixing with the material receiving end, and the other end of the support ring is provided with a supporting part for supporting the material.

5. The dust removing device of claim 4, wherein the outer ring of the support ring is recessed inwards to form an annular groove, and the diameter of the inner ring of the support ring is smaller than that of the inner ring of the material receiving end;

6. The dust removing device of claim 5, wherein the support ring is further provided with an anti-friction member, and the anti-friction member is provided on the plate surface of the support portion.

7. The dust removing device according to claim 6, wherein the anti-friction member is a rubber sheet, and the rubber sheet is annularly disposed and fixed on the supporting portion.

8. A laser cutting machine, characterized by comprising:

a frame;

a laser head movable on the frame in a first direction and a second direction;

the first conveying module and the second conveying module are arranged at intervals to form a working space, and both the first conveying module and the second conveying module can move on the rack along the first direction so as to enable the working space to correspond to the laser heads; and

the dust extraction device of any one of claims 1 to 7, which is movable in the first and second directions on the frame to correspond the dust extraction device to the laser heads.

9. The laser cutter of claim 8, further comprising a first movable carriage slidably engaged with the frame, the first movable carriage being movable in the first direction on the frame, and a second movable carriage slidably engaged with the first movable carriage, the second movable carriage being movable in the second direction on the first movable carriage;

10. The laser cutting machine according to claim 9, further comprising a first driver provided on the frame, the first driver being configured to drive the first movable frame to move in the first direction on the frame;