Laser cutting machine

Abstract

The utility model relates to the technical field of laser equipment, in particular to a laser cutting machine which comprises a machine body, a cantilever assembly and a rotating assembly, and the machine body is provided with a movable laser head; the cantilever assembly is arranged on one side of the machine body, and the laser head can move to the cantilever assembly; the cantilever assembly is configured to limit a first shape workpiece; the cantilever assembly is arranged on one side of the machine body, and the laser head can move to the rotating assembly; the rotating assembly is configured to clamp a workpiece in a second shape. The utility model mainly aims to provide a laser cutting machine which can be used for machining workpieces in various shapes.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser equipment technical field, especially a kind of laser cutting machine. BACKGROUND

[0002] As a kind of high-precision processing equipment, laser cutting machine is widely used in automobile, aerospace, electronics, medical treatment and multiple fields.It utilizes high-power density laser beam to irradiate workpiece, so that material is rapidly melted, vaporized or burned, and at the same time, melt is blown away by coaxial high-speed airflow, thereby realizing the cutting of workpiece.This cutting method has the advantages of fast speed, narrow kerf, small heat-affected zone and good kerf edge quality, and can cut various materials, including carbon steel, stainless steel, alloy steel, wood, plastic, rubber, cloth, quartz, ceramic, glass and composite material.Laser cutting machine plays an important role in industrial production, not only improves production efficiency, but also guarantees processing quality, and is one of the indispensable key equipment in modern manufacturing industry.

[0003] Current laser cutting machine can only process single-shaped workpiece, and cannot perform punching and cutting processing on the same laser cutting machine for plate-shaped workpiece (such as stainless steel plate) and workpiece with curved surface (such as water tank funnel), so the function is relatively single, and the processing of multiple-shaped workpiece cannot be realized. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide a kind of laser cutting machine, to realize the workpiece of multiple shapes can be processed.

[0005] To solve the above problems, the laser cutting machine comprises:

[0006] Machine body, the machine body has movable laser head;

[0007] Cantilever assembly, the cantilever assembly is arranged on one side of the machine body, and the laser head can be moved to the cantilever assembly;The cantilever assembly is configured to limit the first shape workpiece;And

[0008] Rotary assembly, the cantilever assembly is arranged on one side of the machine body, and the laser head can be moved to the rotary assembly;The rotary assembly is configured to clamp the second shape workpiece.

[0009] In an embodiment of the utility model, the cantilever assembly and the rotary assembly are located on the same side of the machine body.

[0010] In an embodiment of the utility model, the machine body is provided with laser processing module, and the laser processing module comprises motion module and the laser head;The motion module is arranged on the machine body and avoids the cantilever assembly and the rotary assembly, and the laser head is arranged on the free end of the motion module.

[0011] In an embodiment of the utility model, the cantilever assembly is detachably connected with the fuselage; the cantilever assembly comprises oppositely arranged first clamping part and second clamping part, the first clamping part and the second clamping part all comprise fixedly arranged lower clamp and movably arranged upper clamp, the upper clamp and the lower clamp are jointly configured to limit the first shape workpiece.

[0012] In an embodiment of the utility model, the second clamping part is arranged on the side of the first clamping part away from the fuselage.

[0013] In an embodiment of the utility model, one of the first clamping part and the second clamping part can slide towards or away from the other.

[0014] In an embodiment of the utility model, the rotating assembly is detachably connected with the fuselage; the rotating assembly comprises first driving part and first clamping part, the first clamping part is connected with the rotating shaft of the first driving part and is located on the side of the first driving part facing the cantilever assembly; the first clamping part is configured to clamp and limit the second shape workpiece.

[0015] In an embodiment of the utility model, the laser cutting machine further comprises rotating auxiliary assembly, the rotating auxiliary assembly comprises bearing, second driving part and second clamping part, both ends of the bearing are connected with the first clamping part and the second clamping part respectively; the second clamping part is connected with the rotating shaft of the second driving part and is located on the side of the first clamping part facing the cantilever assembly.

[0016] In an embodiment of the utility model, the rotating assembly further comprises fixing part, the fixing part is detachably connected with the fuselage; the first driving part is arranged in the fixing part, and the first clamping part is rotatably connected with the fixing part.

[0017] In an embodiment of the utility model, the laser cutting machine further comprises roll processing assembly, the roll processing assembly comprises roll limiting part and two roll transmission rollers, the two roll transmission rollers are arranged along the up-down direction, the roll limiting part is arranged in position with the two roll transmission rollers, and the roll limiting part is located on the side of the roll transmission roller away from the cantilever assembly.

[0018] In the technical scheme of the utility model, through setting up cantilever assembly and rotating assembly, cantilever assembly is used for spacing first workpiece (such as plate-shaped workpiece), rotating assembly is used for spacing second workpiece (such as workpiece with curved surface), so that laser cutting machine can carry out punching and cutting processing to workpiece of different shapes, laser head can be moved to cantilever assembly or rotating assembly, which means that on the same laser cutting machine, workpiece of different positions and different shapes can be processed by moving laser head, thereby avoiding the trouble of frequently replacing equipment or adjusting workpiece position, improve processing efficiency, since the processing capacity of workpiece of multiple shapes is realized on the same laser cutting machine, user does not need to purchase multiple laser cutting equipment for specific shape workpiece, thereby reducing equipment procurement cost and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in these drawings without creative labor.

[0020] Figure 1 It is the three-dimensional structure schematic view of an embodiment of the laser cutting machine provided by the utility model;

[0021] Figure 2 It is the structure schematic view of cantilever assembly and rotating assembly provided by the utility model;

[0022] Figure 3 It is the partial structure schematic view of motion module provided by the utility model;

[0023] Figure 4 It is the structure schematic view of rotating auxiliary assembly and rotating assembly provided by the utility model;

[0024] Figure 5 It is the structure schematic view of cantilever assembly and coiled material processing assembly provided by the utility model.

[0025] Explanation of the attached drawings:

[0026] 10, body;20, cantilever assembly;21, first clamping part;22, second clamping part;201, lower clamp;202, upper clamp;23, sliding block;30, rotating assembly;31, first driving part;32, first clamping part;33, fixed part;40, rotating auxiliary assembly;41, bearing part;42, second driving part;43, second clamping part;50, laser processing module;51, motion module;60, coiled material processing assembly;61, coiled material spacing part;62, coiled material transmission roller.

[0027] The implementation, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0030] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B simultaneously meet the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0031] Please refer to Figure 1 , the laser cutting machine comprises:

[0032] The machine body 10 has a movable laser head;

[0033] The cantilever assembly 20 is arranged on one side of the machine body 10, and the laser head can be moved to the cantilever assembly 20; the cantilever assembly 20 is configured to limit the first shape workpiece; and

[0034] The rotating assembly 30 is arranged on one side of the machine body 10, and the laser head can be moved to the rotating assembly 30; the rotating assembly 30 is configured to clamp the second shape workpiece.

[0035] In the technical scheme of the utility model, through setting the cantilever assembly 20 and the rotating assembly 30, the cantilever assembly 20 is used for limiting the first workpiece (such as a plate-shaped workpiece), and the rotating assembly 30 is used for limiting the second workpiece (such as a workpiece with a curved surface), so that the laser cutting machine can perform punching and cutting processing on workpieces with different shapes, and the laser head can be moved to the cantilever assembly 20 or the rotating assembly 30, which means that on the same laser cutting machine, workpieces with different positions and different shapes can be processed by moving the laser head, thereby avoiding the trouble of frequently replacing equipment or adjusting the position of the workpiece, improving the processing efficiency, and since the processing capacity for workpieces with multiple shapes is realized on the same laser cutting machine, the user does not need to purchase multiple laser cutting equipment for specific shape workpieces, thereby reducing the equipment procurement cost and maintenance cost.

[0036] It can be understood that the first shape workpiece represents a flat plate workpiece with a plane, for example, a stainless steel plate, and the second shape workpiece represents a tubular workpiece with a curved surface, for example, a sink funnel, and the first shape workpiece and the second shape workpiece include but are not limited to the above examples.

[0037] The fuselage 10 is provided with a circuit system, a control system, a control panel and the like, which is an integrated structure, and the circuit system is externally connected to a circuit to provide the required electric energy for the operation of the laser cutting machine, such as emitting a laser beam, moving the laser beam and the like, the control system is used to control the operation process of the laser cutting machine, such as the power of the laser beam, the moving distance of the laser beam and the like, and the control panel provides a corresponding operation basis for realizing man-machine interaction, and the control panel is set to the operation time length of the preset laser cutting machine and the like; it can be understood that the laser head can be moved by setting a mechanical arm or a three-axis moving linear rail (please refer to Figure 1 The first direction, the second direction and the third direction, and any two directions are perpendicular to each other.

[0038] The cantilever assembly 20 and the rotating assembly 30 are both arranged on the outer circumferential side of the fuselage 10, and it can be understood that according to the movement position limit of the laser head, the positions of the cantilever assembly 20 and the rotating assembly 30 on the circumferential side of the fuselage 10 can be adaptively set, for example, in the case that the laser cutting machine is in a normal non-working shutdown state, the cantilever assembly 20 can be arranged close to the laser head relative to the rotating assembly 30, or the rotating assembly 30 can be arranged close to the laser head relative to the cantilever assembly 20, which is not limited here.

[0039] The cantilever assembly 20 is used for limiting a flat plate workpiece with a plane, and the cantilever assembly 20 has two groups of clamp assemblies, each of which comprises an upper clamp 202 and a lower clamp 201, and each upper clamp 202 and each lower clamp 201 can be relatively moved by a driving device such as a motor or a pneumatic cylinder, so that the upper clamp 202 and the lower clamp 201 can form a clamping space for the flat plate workpiece to pass through, and the flat plate workpiece is fixed in the clamping space, and then the laser head can perform punching, cutting and other operations on the flat plate workpiece.

[0040] The cantilever assembly 20 is used for limiting a tubular workpiece with a curved surface, and the cantilever assembly 20 can be provided with a limiting disc, and a plurality of limiting buckles are arranged on the limiting disc, and the ends of the plurality of limiting buckles facing each other are connected to each other to form a circular surface (i.e., concentrically arranged), so that the tubular workpiece can be fixed by the plurality of limiting buckles on the limiting disc, and the limiting disc is rotated to perform punching, cutting and other operations on the tubular workpiece.

[0041] Preferably, referring to Figure 2 , the cantilever assembly 20 and the rotating assembly 30 are located on the same side of the machine body 10, and such a layout makes the overall structure of the laser cutting machine more compact, reduces the area occupied by the equipment in the workshop or working area, and at the same time, when the waste collecting trolley is used to collect the cut materials or the debris generated by punching, the moving distance of the waste collecting trolley can be reduced because the cantilever assembly 20 and the rotating assembly 30 are located on the same side of the machine body 10, and in addition, the maintenance personnel can check, debug or replace parts of the cantilever assembly 20 and the rotating assembly 30 on the same side of the machine body 10, without going back and forth around the machine body 10, thereby improving the maintenance efficiency.

[0042] In an embodiment of the utility model, referring to Figure 3 , the machine body 10 is provided with a laser processing module 50, and the laser processing module 50 comprises a motion module 51 and a laser head; the motion module 51 is arranged on the machine body 10 and avoids the cantilever assembly 20 and the rotating assembly 30, and the laser head is arranged on the free end of the motion module 51, wherein the motion module 51 comprises three linear modules connected in sequence and realizing three-axis motion, specifically, the motion module 51 comprises a Z-axis linear module (please refer to the third direction in Figure 1 ), a Y-axis linear module (please refer to the second direction in Figure 1 ) and an X-axis linear module (please refer to the first direction in Figure 1 ), the X-axis linear module is arranged on the machine body 10, the Y-axis linear module is arranged on the X-axis linear module, the Z-axis linear module is arranged on the Y-axis linear module, and the laser head is fixed on the Z-axis linear module, so that the movement of the laser head relative to the workpiece can be realized through the three-axis linear module.

[0043] In an embodiment, referring to Figure 2, the cantilever assembly 20 is detachably connected to the machine body 10; the cantilever assembly 20 includes oppositely arranged first and second clamping portions 21 and 22, each of which includes a fixedly arranged lower clamp 201 and a movably arranged upper clamp 202, and the upper and lower clamps 202 and 201 are collectively configured to limit the first-shaped workpiece. Specifically, the cantilever assembly 20 has two support arms for supporting the first and second clamping portions 21 and 22, and the two support arms are connected to the machine body 10 by bolts or other structures. At the same time, the first and second clamping portions 21 and 22 can also be connected to the two cantilevers by bolts or other structures. In this way, in the scenarios of transportation, part replacement, etc., the cantilever assembly 20 can be detached to provide operational convenience.

[0044] Further, referring to Figure 2 , the second clamping portion 22 is arranged on the side of the first clamping portion 21 away from the machine body 10, and both are arranged at the same height relative to the horizontal plane (or the ground). In actual use, the user can put the first workpiece into the limiting space formed by the second clamping portion 22 and then push the first workpiece towards the first clamping portion 21, without the need to lift or lower the workpiece, thereby reducing the difficulty and labor intensity of the operation. The arrangement at the same height makes the workpiece more stable during pushing, avoiding the workpiece from tilting or being stuck due to the height difference, and improving the clamping efficiency and safety. At the same time, since the first and second clamping portions 21 and 22 are arranged at the same height relative to the horizontal plane, the workpiece can be fixed on a stable plane during clamping, which helps to improve the precision during machining, because the flatness and stability of the workpiece directly affect the quality of laser cutting. During machining, the workpiece will not displace or vibrate due to the height difference of the clamping portions, thereby ensuring the accuracy of the laser beam action point, making the cutting edge smoother and the size more accurate.

[0045] In order to be able to process more first workpieces of different sizes, one of the first and second clamping portions 21 and 22 can slide towards or away from the other. In an embodiment, the two support arms of the cantilever assembly 20 are provided with linear modules extending in the second direction, each linear module is provided with two slidable slides, and the two ends (in the third direction) of the first and second clamping portions 21 and 22 are fixedly connected to one slide, so as to realize the sliding of one of the first and second clamping portions 21 and 22 towards or away from the other under the drive of the motor. In another embodiment, the two support arms are each provided with a guide rail and a sliding block 23, and the two ends (in the third direction) of the first and second clamping portions 21 and 22 are fixedly connected to one slide, so that the user can manually push the first and / or second clamping portions 21 and 22 to realize the sliding of one of the first and second clamping portions 21 and 22 towards or away from the other.

[0046] In an embodiment, referring to Figure 4 , the rotating assembly 30 is detachably connected to the machine body 10; the rotating assembly 30 comprises a first driving member 31 and a first clamping member 32, the first clamping member 32 is connected to the rotating shaft of the first driving member 31 and is located on the side of the first driving member 31 facing the cantilever assembly 20; the first clamping member 32 is configured to clamp the second-shaped workpiece, specifically, the first driving member 31 is fixed on the machine body 10, the output shaft of the first driving member 31 faces the direction of the laser head, the first clamping member 32 is fixed on the output shaft, when the first driving member 31 is in the working state, the first clamping member 32 rotates with the output shaft, when the second workpiece is fixed on the first clamping member 32, the machining of the second workpiece on the R-axis can be realized; the cross section of the first clamping member 32 is circular as a whole, the side of the first clamping member 32 facing the laser head has four constraint members which can approach or move away from each other, the four constraint members are arranged in a circle along the center of the first clamping member 32, in this way, the first clamping member 32 can fix more second workpieces with different radii.

[0047] Further, referring to Figure 4 , the laser cutting machine further comprises a rotating auxiliary assembly 40, the rotating auxiliary assembly 40 comprises a bearing member 41, a second driving member 42 and a second clamping member 43, the two ends of the bearing member 41 are connected to the first clamping member 32 and the second clamping member 43 respectively; the second clamping member 43 is connected to the rotating shaft of the second driving member 42 and is located on the side of the first clamping member 32 facing the cantilever assembly 20, specifically, the bearing member 41 is arranged in the third direction, one end of the bearing member 41 is connected to the first clamping member 32 through bolts or screws (according to the required connecting force between the bearing member 41 and the first clamping member 32 and the second clamping member 43), the other end of the bearing member 41 is connected to the second clamping member 43 through bolts or screws, in this way, the first clamping member 32, the bearing member 41 and the second clamping member 43 form a space for the second workpiece to rotate, when the weight of the second workpiece is large, the first driving member 31 and the second driving member 42 can be operated at the same time, thereby realizing the rotating auxiliary function.

[0048] In an embodiment of the utility model, referring to Figure 4 , the rotating assembly 30 further comprises a fixing member 33, the fixing member 33 is detachably connected to the machine body 10; the first driving member 31 is arranged in the fixing member 33, the first clamping member 32 is rotatably connected to the fixing member 33, the fixing member 33 and the machine body 10 are both provided with a plurality of reserved screw holes, the reserved screw holes of the two are arranged one by one in correspondence, at the same time, the machine body 10 is further provided with a positioning pin, the fixing member 33 is provided with a positioning hole, in this way, the installation and dismounting of the fixing member 33 are facilitated; the fixing member 33 and the first clamping member 32 can be connected through flanges and bearings and the like, thereby realizing the rotation of the first clamping member 32 relative to the fixing member 33 and realizing the R-axis machining.

[0049] Further, referring to Figure 5The laser cutting machine further comprises a coil processing assembly 60, the coil processing assembly 60 comprises a coil limiting piece 61 and two coil transmission rollers 62, the two coil transmission rollers 62 are arranged in the up-down direction, the coil limiting piece 61 is arranged in position with the two coil transmission rollers 62, the coil limiting piece 61 is located on the side, away from the cantilever assembly 20, of the two coil transmission rollers 62, specifically, the coil limiting piece 61 is arranged at the end of the machine body 10, away from the cantilever assembly 20, a side of the coil limiting piece 61, facing away from the machine body 10, is provided with a cylindrical structure, so that the coil can be fixed by passing through the cylindrical structure, the two coil transmission rollers 62 arranged in the up-down direction (the first direction) are arranged at the machine body 10 close to the cantilever assembly 20, the two coil transmission rollers 62 have a material passing space therebetween, the coil can be fixed on the cantilever assembly 20 by passing through the material passing space, so that the processing of the third workpiece is realized. The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, directly / indirectly applied in other related technical fields, made by using the utility model specification and the attached drawings, under the inventive concept of the utility model, is included in the patent protection range of the utility model.

Claims

1. A laser cutting machine, characterized in that, The laser cutting machine includes: The body (10) has a movable laser head; A cantilever assembly (20) is disposed on one side of the machine body (10), and the laser head is movable to the cantilever assembly (20); the cantilever assembly (20) is configured to limit a workpiece of a first shape; and Rotating assembly (30), the cantilever assembly (20) is located on one side of the machine body (10), the laser head is movable to the rotating assembly (30); the rotating assembly (30) is configured to clamp a workpiece of a second shape.

2. The laser cutting machine of claim 1, wherein, The cantilever assembly (20) and the rotating assembly (30) are located on the same side of the fuselage (10).

3. The laser cutting machine of claim 2, wherein, The body (10) is provided with a laser processing module (50), which includes a motion module (51) and a laser head. The motion module (51) is located on the body (10) and is positioned away from the cantilever assembly (20) and the rotating assembly (30). The laser head is located at the free end of the motion module (51).

4. The laser cutting machine of any one of claims 1 to 3, wherein, The cantilever assembly (20) is detachably connected to the machine body (10); the cantilever assembly (20) includes a first clamping part (21) and a second clamping part (22) arranged opposite to each other. The first clamping part (21) and the second clamping part (22) each include a fixed lower clamp (201) and a movable upper clamp (202). The upper clamp (202) and the lower clamp (201) are configured together to limit the first shaped workpiece.

5. The laser cutting machine of claim 4, wherein, The second clamping part (22) is located on the side of the first clamping part (21) away from the body (10).

6. The laser cutting machine of claim 5, wherein, One of the first clamping part (21) and the second clamping part (22) can slide closer to or further away from the other.

7. The laser cutting machine of any one of claims 1 to 3, wherein, The rotating assembly (30) is detachably connected to the body (10); the rotating assembly (30) includes a first drive member (31) and a first clamping member (32), the first clamping member (32) is connected to the rotation axis of the first drive member (31) and is located on the side of the first drive member (31) facing the cantilever assembly (20); the first clamping member (32) is configured to clamp and limit the second-shaped workpiece.

8. The laser cutting machine of claim 7, wherein, The laser cutting machine is also provided with a rotation auxiliary component (40), which includes a support member (41), a second drive member (42), and a second clamping member (43). The two ends of the support member (41) are respectively connected to the first clamping member (32) and the second clamping member (43). The second clamping member (43) is connected to the rotation shaft of the second drive member (42) and is located on the side of the first clamping member (32) facing the cantilever assembly (20).

9. The laser cutting machine as described in claim 7, characterized in that, The rotating assembly (30) further includes a fixing member (33), which is detachably connected to the body (10); the first driving member (31) is disposed in the fixing member (33), and the first clamping member (32) is rotatably connected to the fixing member (33).

10. The laser cutting machine as described in claim 1, characterized in that, The laser cutting machine also includes a roll processing assembly (60), which includes a roll limiting member (61) and two roll drive rollers (62). The two roll drive rollers (62) are arranged in the vertical direction. The roll limiting member (61) is aligned with the two roll drive rollers (62). The roll limiting member (61) is located on the side of the roll drive rollers (62) away from the cantilever assembly (20). The roll processing assembly (60) is configured to limit the third-shaped workpiece.

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