CN218775909U - Laser cutting mechanism and cutting device - Google Patents

Abstract

The embodiment of the application discloses laser cutting mechanism and cutting device, laser cutting mechanism includes laser cutting subassembly and the inclination response piece that is used for sensing inclination, the inclination response piece is relative the fixed setting of cutting head of laser cutting subassembly, when the one end orientation of cutting head along first direction of laser cutting subassembly, the inclination response piece corresponds and returns to zero. The embodiment of the application is with the fixed setting of the cutting head of the relative laser cutting subassembly of inclination response piece, then regard the direction of zeroing as inclination response piece with the first direction, reference direction promptly, inclination response piece alright sense the relative first direction skew angle of cutting head each time, if the cutting head shows at the control end and has returned the first direction, but the skew actually appears, the skew angle of cutting head can be sensed to the inclination response piece so, of course can also adopt the warning setting, can indicate the cutting head to be in the skew state, then can follow the specific slope condition of inclination response piece understanding cutting head.

Description

Laser cutting mechanism and cutting device

Technical Field

The application relates to the technical field of laser cutting, in particular to a laser cutting mechanism and a cutting device.

Background

Along with the progressive laser cutting technology, in order to enable the laser cutting assembly to achieve cutting in more shapes more flexibly and rapidly, the arrangement that the laser cutting assembly can rotate relative to the driving workbench which bears the laser cutting assembly to operate appears on the market.

In actual laser cutting production process, be used for cutting sheet metal mostly, because the panel after the cutting is heated can be out of shape, perhaps cuts away the position of cutting away the waste material and can produce and stick up the limit, the cutting head bumps with the panel that warp just so appears easily, and the cutting head receives to hit and can make its position appear the deviation, and then leads to the work piece of follow-up cutting processing to be unqualified.

Therefore, how to reduce the number of disqualified workpieces processed by the method needs to be solved.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application is a laser cutting mechanism and cutting device, can sense whether the cutting head takes place the skew through the sensing setting in real time, avoid the cutting head to continue to produce under the skew condition to reduce the quantity of producing the defective products.

The embodiment of the application discloses laser cutting mechanism, laser cutting mechanism includes laser cutting subassembly and the inclination response piece that is used for sensing inclination, the inclination response piece is relative the fixed setting of cutting head of laser cutting subassembly, when the one end orientation of cutting head along first direction of laser cutting subassembly, the inclination response piece corresponds and returns to zero.

Optionally, when the cutting head of the laser cutting assembly faces downward in the vertical direction, the inclination angle sensing part correspondingly returns to zero.

Optionally, the tilt sensing member is a tilt sensor.

Optionally, the laser cutting mechanism further comprises a swing part and a driving assembly, the driving end of the driving assembly is connected with the swing part in a driving mode, and the laser cutting assembly and the inclination angle sensing part are respectively arranged on the swing part.

Optionally, the driving assembly includes a first driving member and a second driving member, and the swing member includes a first swing frame and a second swing frame; the driving end of the first driving piece is in driving connection with the first swing frame, and the first driving piece drives the first swing frame to rotate by taking a straight line along a second direction as a rotation center; the driving end of the second driving piece is in driving connection with the second swing frame, the first swing frame is in rotating connection with the second swing frame, the straight line direction of the rotating center of the rotating connection of the first swing frame and the second swing frame is the third direction, the second driving piece drives the second swing frame to rotate relative to the first swing frame, and the laser cutting assembly and the inclination angle sensing piece are arranged on the second swing frame respectively.

Optionally, the first swing frame is of a hollow structure, the second driving part is arranged in the first swing frame, and driving ends at two ends of the second driving part respectively penetrate through the first swing frame along a third direction and then are connected to the second swing frame in a driving manner.

Optionally, the laser cutting mechanism further comprises a frame and a sliding table, the sliding table is arranged on the frame in a sliding mode along a first direction, the first driving piece is arranged on the sliding table, and a driving end of the first driving piece penetrates through the sliding table and then is connected to the first swing frame in a driving mode.

Optionally, the laser cutting mechanism further comprises a first mounting pad and a second mounting pad, the first mounting pad and the second mounting pad are respectively disposed on the second swing frame, the tilt sensor is disposed on the first mounting pad, and the laser cutting assembly is disposed on the second mounting pad.

Optionally, the first mounting pad is rotatably disposed on the second swing frame with a straight line along the second direction as a rotation center, the tilt sensor is fixedly disposed on the first mounting pad, the second mounting pad is fixedly disposed on the second swing frame, the laser cutting assembly is fixedly disposed on the second mounting pad, and the first mounting pad and the second mounting pad are relatively fixedly disposed along the second direction.

Optionally, the first mounting pad and the second mounting pad are respectively and fixedly disposed on the second swing frame, the tilt sensing element is rotatably disposed on the first mounting pad by using a straight line along the second direction as a rotation center, the laser cutting assembly is fixedly disposed on the second mounting pad, and the tilt sensing element and the laser cutting assembly are relatively and fixedly disposed along the second direction.

Optionally, the first mounting pad is provided with a hollowed round hole and a hollowed arc-shaped hole taking a straight line in the second direction as a central axis, and screws are used for respectively penetrating through the round hole and the arc-shaped hole to connect and fix the first mounting pad and the second swing frame.

The embodiment of the application also discloses a laser cutting device, which comprises the laser cutting mechanism.

The embodiment of the application is with the fixed setting of the relative cutting head of laser cutting subassembly of inclination response piece, then regard as the direction of zeroing of inclination response piece with the first direction, the reference direction promptly, the inclination response piece alright sense the angle of cutting head relative first direction skew every time like this, if the cutting head shows at the control end and has regressed first direction, nevertheless the skew appears in reality, the skew angle of cutting head can be sensed to the inclination response piece so, of course can also adopt the warning setting, can indicate the cutting head to be in the skew state like this, then can follow the specific slope condition of inclination response piece understanding the cutting head, so that revise. And then overcome and can't be in time accurate to know whether there is the problem of skew in the cutting head. Timely correction is achieved, continuous production of the cutting head under the condition of deflection is avoided, and therefore the effect of reducing the number of unqualified products produced is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural diagram of a laser cutting mechanism disclosed in an embodiment of the present application;

FIG. 2 is a schematic view of a specific combination of a drive assembly and a swing member according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a laser cutting mechanism with a rack and a sliding table added on the basis of FIG. 1;

FIG. 4 is a schematic view of a tilt angle sensing member mounted on a first mounting pad rotatable relative to a second swing frame according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of a first swing frame driving a cutting head to deflect according to an embodiment of the present disclosure;

FIG. 6 is a schematic view of a second swing frame driving the cutting head to deflect according to an embodiment of the present disclosure;

fig. 7 is a block diagram of a laser cutting apparatus disclosed in an embodiment of the present application.

10, a laser cutting mechanism; 11. a laser cutting assembly; 12. an inclination angle sensing member; 13. a cutting head; 14. a decoration piece; 15. a drive assembly; 16. a first driving member; 17. a second driving member; 18. a first swing frame; 19. a second swing frame; 20. a frame; 21. a sliding table; 22. a first mounting pad; 23. a second mounting pad; 24. a circular hole; 25. an arc-shaped hole; 26. provided is a laser cutting device.

Detailed Description

It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless stated otherwise, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The terms "comprises" and any variations thereof, are intended to cover a non-exclusive inclusion, which may have the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or combinations thereof.

In addition, terms of orientation or positional relationship indicated by "vertical", "horizontal", and the like, are described based on the orientation or relative positional relationship shown in the drawings, and are only for convenience of simplifying the description of the present application, and do not indicate 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 application.

Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The present application is described in detail below with reference to the figures and alternative embodiments.

As shown in fig. 1, the embodiment of the present application discloses a laser cutting mechanism 10, the laser cutting mechanism 10 includes a laser cutting assembly 11 and an inclination angle sensing member 12 for sensing an inclination angle, the inclination angle sensing member 12 is fixedly disposed relative to a cutting head 13 of the laser cutting assembly 11, when one end of the cutting head 13 of the laser cutting assembly 11 faces in a first direction, the inclination angle sensing member 12 returns to zero correspondingly.

First direction in this application embodiment is marked as X, laser cutting mechanism 10 can adopt PLC control system control, and each item control parameter of laser cutting mechanism 10 can show in operation interface, and simultaneously, laser cutting subassembly 11 mainly includes laser instrument and the mirror system that shakes of being connected with the laser instrument, utensil laser instrument and mirror system that shakes can be fixed connection, cutting head 13 can be the laser ejection end of mirror system that shakes, also can set up in the laser ejection end of mirror system that shakes, all be conventional setting, can satisfy the implementation of this application embodiment, do not describe repeatedly.

In this embodiment, the inclination angle sensing component 12 is fixedly arranged relative to the cutting head 13 of the laser cutting assembly 11, and then the first direction is used as the zeroing direction, i.e. the reference direction, of the inclination angle sensing component 12, so that the inclination angle sensing component 12 can sense the inclination angle of the cutting head 13 relative to the first direction each time, if the cutting head 13 displays that the inclination angle returns to the first direction on the operation interface, but the inclination actually occurs, the inclination angle sensing component 12 can sense the inclination angle of the cutting head 13, and of course, the inclination angle sensing component 12 is connected with the control system of the laser cutting mechanism 10, so that an alarm setting can be adopted, and thus, the cutting head 13 can be prompted to be in an inclined state. And then, the specific inclination condition of the cutting head 13 measured by the inclination angle sensing part 12 can be known from the operation interface, so that the correction can be carried out in time, the continuous production of the cutting head 13 under the condition of inclination can be avoided, the quantity of unqualified products is reduced, the yield is improved, and the production cost is reduced.

Wherein, the inclination angle sensor 12 can be an inclination angle sensor, and when the cutting head 13 of the laser cutting assembly 11 faces downwards along the vertical direction, the inclination angle sensor is correspondingly set to zero as the initial setting. In actual production use, the initial state of the cutting head 13 is generally vertically downward, and therefore, the first direction of the embodiment of the present application is described as a vertical direction for implementation.

Further, as shown in fig. 1 and 2, the laser cutting mechanism 10 may further include a swing member 14 and a driving assembly 15, wherein a driving end of the driving assembly 15 is drivingly connected to the swing member 14, and the laser cutting assembly 11 and the tilt sensor 12 are respectively disposed on the swing member 14. The laser cutting assembly 11 and the tilt sensor 12 are respectively disposed on the swing portion 14, such that when the driving assembly 15 is controlled to drive the swing portion 14 to swing, the laser cutting assembly 11 and the tilt sensor 12 will synchronously shift in angle along with the swing portion 14, so that the tilt sensor 12 can clearly sense the deviation angle of the cutting head 13. Wherein the goods of furniture for display rather than for use 14 can be the fixed frame class of structure such as the sheet metal component that has the installation position, and drive assembly 15 can be composite drive, also can be single drive, satisfies and implements all can.

Specifically, as shown in fig. 2, 5 and 6, the driving assembly 15 includes a first driving member 16 and a second driving member 17, and the swing member 14 includes a first swing frame 18 and a second swing frame 19; the driving end of the first driving member 16 is in driving connection with the first swing frame 18, and the first driving member 16 drives the first swing frame 18 to rotate by taking a straight line along a second direction as a rotation center; the driving end of the second driving part 17 is in driving connection with the second swing frame 19, the first swing frame 18 is in rotating connection with the second swing frame 19, the linear direction of the rotating center of the rotating connection of the first swing frame 18 and the second swing frame 19 is a third direction, the second driving part 17 drives the second swing frame 19 to rotate relative to the first swing frame 18, and the laser cutting component 11 and the inclination angle sensing part 12 are respectively arranged on the second swing frame 19.

The second direction in this application embodiment is marked as Y, and the third direction is marked as Z, and first direction, second direction and third direction have the contained angle each other, and this application embodiment explains with first direction and second direction mutually perpendicular, second direction and third direction mutually perpendicular to each other to and first direction, second direction and third direction mutually perpendicular when cutting head 13 is vertical downwards and inclination sensing piece 12 returns zero.

The driving assembly 15 mainly includes a first driving member 16 and a second driving member 17, the first driving member 16 and the second driving member 17 can be servo motors or other precision drives, the first driving member 16 is controlled to drive the first swing frame 18 to rotate, the first swing frame 18 can drive the second swing frame 19 to synchronously rotate, and the second driving member 17 is controlled to drive the second swing frame 19 to rotate, namely, the swing part 14 is equivalent to the operation of the two-axis driving cutting head 13. Wherein the centre of rotation of the synchronized rotation of the first and second carriages 18, 19 may be collinear with the central axis of the drive end of the first drive member 16, and the centre of rotation of the second carriage 19 under separate drive of the second drive member 17 may be collinear with the central axis of the drive end of the second drive member 17.

Further, the first swing frame 18 is a hollow structure, the second driving element 17 is disposed in the first swing frame 18, and driving ends at two ends of the second driving element 17 penetrate through the first swing frame 18 along a third direction respectively and then are connected to the second swing frame 19 in a driving manner. The structure can be optimized by arranging the second driving part 17 in the hollow first swing frame 18, so that the first driving part 16 can drive the first swing frame 18, the second driving part 17 and the second swing frame 19 to synchronously rotate, and the use is more flexible and convenient.

It can be understood that, as shown in fig. 3, the laser cutting mechanism 10 may further include a frame 20 and a sliding table 21, the sliding table 21 is slidably disposed on the frame 20 along a first direction, the first driving element 16 is disposed on the sliding table 21, and a driving end of the first driving element 16 is disposed through the sliding table 21 and then is drivingly connected to the first swing frame 18.

In actual cutting process, frame 20 and slip table 21 mainly are the removal carrier as laser cutting subassembly 11, and slip table 21 is used for driving laser cutting subassembly 11, inclination sensing element 12, goods of furniture for display rather than for use 14 and drive assembly 15 synchronous lift, and frame 20 can drive laser cutting subassembly 11, inclination sensing element 12, goods of furniture for display rather than for use 14, drive assembly 15 and slip table 21 synchronous movement to finally realize the position control to cutting head 13. The main body of the first driving element 16 is arranged in the sliding table 21, and the driving end of the first driving element 16 extends out of the sliding table 21 to be in driving connection with the first swing frame 18, so that the first driving element 16 and the second driving element 17 in the embodiment of the application are hidden and arranged, and external interference can be avoided.

As shown in fig. 1, the laser cutting mechanism 10 may further include a first mounting pad 22 and a second mounting pad 23, the first mounting pad 22 and the second mounting pad 23 are respectively disposed on the second swing frame 19, the tilt sensor 12 is disposed on the first mounting pad 22, and the laser cutting assembly 11 is disposed on the second mounting pad 23. The first mounting pad 22 and the second mounting pad 23 may be respectively of a plate structure, and are used as intermediate connecting members, so that the mounting difficulty can be effectively reduced, and the mounting fault tolerance rate can be improved by low-cost arrangement.

As shown in fig. 1 and 4, the first mounting pad 22 is rotatably disposed on the second swing frame 19 with a straight line along the second direction as a rotation center, the tilt sensor 12 is fixedly disposed on the first mounting pad 22, the second mounting pad 23 is fixedly disposed on the second swing frame 19, the laser cutting assembly 11 is fixedly disposed on the second mounting pad 23, and the first mounting pad 22 and the second mounting pad 23 are relatively fixedly disposed along the second direction.

In the embodiment, the first mounting pad 22 can be rotatably adjusted only by taking a straight line along the second direction as a rotation center, that is, an included angle between the tilt angle sensing part 12 and the cutting head 13 in a plane formed by the first direction and the third direction can be adjusted, and an included angle between the tilt angle sensing part 12 and the cutting head 13 in a plane formed by the first direction and the second direction is fixed, so that the tilt angle sensing part 12 can be adjusted to a reference position.

Alternatively, the first mounting pad 22 and the second mounting pad 23 are respectively fixedly disposed on the second swing frame 19, the tilt sensor 12 is rotatably disposed on the first mounting pad 22 with a straight line along the second direction as a rotation center, the laser cutting assembly 11 is fixedly disposed on the second mounting pad 23, and the tilt sensor 12 and the laser cutting assembly 11 are relatively fixedly disposed along the second direction.

Compared with the previous embodiment, the first mounting pad 22 is adjustable instead of the tilt sensor 12, that is, the first mounting pad 22 is fixedly disposed on the second swing frame 19, and the tilt sensor 12 is adjustable relative to the first mounting pad 22, which has the same effect.

Specifically, as shown in fig. 4, a hollow circular hole 24 and a hollow arc-shaped hole 25 with a straight line along the second direction as a central axis are provided on the first mounting pad 22, and screws are used to respectively pass through the circular hole 24 and the arc-shaped hole 25 to connect and fix the first mounting pad 22 and the second swing frame 19. Wherein the round hole 24 can set up one, and arc hole 25 can set up a plurality ofly, and the centre of a circle of this round hole 24 can regard as the centre of a circle of a plurality of arc holes 25, like this when needs adjust first mounting pad 22 and drive inclination sensing part 12 and rotate, only need to unscrew each screw, then can rotate and adjust first mounting pad 22, after corresponding messenger's inclination sensing part 12 regulation targets in place, again with each screw tighten can, easy operation is convenient, the screw after screwing up makes first mounting pad 22 fixed more firmly with second swing frame 19.

It should be noted that the tilt angles of the first swing frame 18 driven by the first driving element 16 and the second swing frame 19 driven by the second driving element 17 in the embodiment of the present application can also be measured by the control system, and the measuring means can be obtained by using a sensor or calculating the driving rotation angles of the first driving element 16 and the second driving element 17, which is a conventional arrangement, the tilt angle sensed by the tilt angle sensing element 12 can be compared with the tilt angle measured by the control system, and when the two tilt angle data are different, an alarm signal can be given, so as to stop the machine to avoid cutting and scrapping the workpiece. In addition, the angle measured by the inclination angle sensing part 12 can be used as a standard for correcting and resetting, and when the cutting head 13/the first swing frame 18/the second swing frame 19 collide in the cutting process and finally the cutting head 13 generates an angle deviation relative to the first direction, the angle can be adjusted according to the deflection angle measured by the inclination angle sensing part 12, so that the correction function is realized. For those skilled in the art to which the present application pertains, several simple deductions or substitutions can be made without departing from the concept of the present application, which should be considered as belonging to the protection scope of the present application.

As shown in fig. 7, the embodiment of the present application further discloses a laser cutting device 26, where the laser cutting device 26 includes the laser cutting mechanism 10 as described above. The laser cutting device 26 may further include a control system (not shown), a machine tool (not shown), an operation table (not shown), and the like, wherein the control system (not shown) is connected to the laser cutting mechanism 10, the operation table (not shown) and the machine tool (not shown), the laser cutting mechanism 10 is disposed on the machine tool (not shown), and the operation table (not shown) may be provided with an operation interface (not shown) for an operator to control the laser cutting mechanism 10 and observe the operation parameters of the laser cutting mechanism 10 according to the operation interface (not shown).

The foregoing is a more detailed description of the present application in connection with specific alternative embodiments, and the specific implementations of the present application are not to be considered limited to these descriptions. For those skilled in the art to which the present application pertains, several simple deductions or substitutions can be made without departing from the concept of the present application, which should be considered as belonging to the protection scope of the present application.

Claims (12)

1. A laser cutting mechanism, comprising:

a laser cutting assembly; and

the inclination angle sensing part is used for sensing an inclination angle, the inclination angle sensing part is opposite to the cutting head of the laser cutting assembly, and when one end of the cutting head of the laser cutting assembly faces in the first direction, the inclination angle sensing part correspondingly returns to zero.

2. The laser cutting mechanism of claim 1, wherein the tilt sensor is correspondingly zeroed when the cutting head of the laser cutting assembly is oriented vertically downward.

3. The laser cutting mechanism of claim 1, wherein the tilt sensing member is a tilt sensor.

4. The laser cutting mechanism of claim 1, further comprising a swing member and a driving member, wherein the driving member is drivingly connected to the swing member, and the laser cutting member and the tilt sensor are disposed on the swing member, respectively.

5. The laser cutting mechanism of claim 4, wherein the drive assembly includes a first drive member and a second drive member, and the swing member includes a first swing frame and a second swing frame;

the driving end of the first driving piece is in driving connection with the first swing frame, and the first driving piece drives the first swing frame to rotate by taking a straight line along a second direction as a rotation center;

the driving end of the second driving piece is in driving connection with the second swing frame, the first swing frame is in rotating connection with the second swing frame, the straight line direction of the rotating center of the rotating connection of the first swing frame and the second swing frame is the third direction, the second driving piece drives the second swing frame to rotate relative to the first swing frame, and the laser cutting assembly and the inclination angle sensing piece are respectively arranged on the second swing frame.

6. The laser cutting mechanism according to claim 5, wherein the first swing frame is a hollow structure, the second driving member is disposed in the first swing frame, and driving ends at two ends of the second driving member respectively penetrate through the first swing frame along a third direction and then are connected to the second swing frame in a driving manner.

7. The laser cutting mechanism according to claim 5, wherein the laser cutting mechanism further comprises a frame and a sliding table, the sliding table is slidably disposed on the frame along a first direction, the first driving member is disposed on the sliding table, and a driving end of the first driving member is disposed through the sliding table and then is drivingly connected to the first swing frame.

8. The laser cutting mechanism of claim 5, further comprising first and second mounting pads disposed on the second swing frame, respectively, the tilt sensor being disposed on the first mounting pad, and the laser cutting assembly being disposed on the second mounting pad.

9. The laser cutting mechanism of claim 8, wherein the first mounting pad is rotatably mounted to the second swing frame about a line extending in a second direction, the tilt sensor is fixedly mounted to the first mounting pad, the second mounting pad is fixedly mounted to the second swing frame, the laser cutting assembly is fixedly mounted to the second mounting pad, and the first mounting pad and the second mounting pad are relatively fixedly mounted in the second direction.

10. The laser cutting mechanism of claim 8, wherein the first mounting pad and the second mounting pad are respectively fixedly disposed on the second swing frame, the tilt sensor is rotatably disposed on the first mounting pad with a straight line along a second direction as a rotation center, the laser cutting assembly is fixedly disposed on the second mounting pad, and the tilt sensor and the laser cutting assembly are relatively fixedly disposed along the second direction.

11. The laser cutting mechanism of claim 9, wherein the first mounting pad is provided with a hollowed circular hole and a hollowed arc-shaped hole having a straight line along the second direction as a central axis, and the first mounting pad and the second swing frame are connected and fixed by screws respectively penetrating through the circular hole and the arc-shaped hole.

12. A laser cutting device, characterized in that the laser cutting device comprises a laser cutting mechanism according to any one of claims 1-11.

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