Cantilever type laser marking machine

Abstract

The utility model relates to a cantilever type laser marking machine, which relates to the technical field of laser marking machines, and comprises a laser device, a supporting upright post for supporting the laser device, a linear ground rail which is connected to the supporting upright post and is used for the laser device to transversely move, and a cantilever cross beam which is connected to the supporting upright post and is used for the laser device to longitudinally move. The laser marking machine has the effect of improving the machining range of the laser marking machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser marking machine technical field especially is related to a cantilever type laser marking machine. BACKGROUND

[0002] The laser marking machine is a kind of equipment using laser technology to mark, and is widely used in industry, commerce, pharmaceutical industry and other fields.

[0003] In prior art, laser marking machine is mostly vertical processing, laser marking machine includes laser, laser vibration mirror, workbench and control system, workbench is located below laser vibration mirror, current laser is generally placed on ground, control system can control workbench to move horizontally, vertically and up and down, laser vibration mirror is fixed on support column to focus and project the laser beam generated by laser on workbench.In the process of laser marking machine operation, the workpiece to be marked is placed on the workbench of vertical processing laser marking machine, the laser beam generated by laser is focused and projected on the surface of workpiece by laser vibration mirror, and the shape and position required to be marked are formed into motion trail by control system to control workbench to run, so as to form the required mark on the surface of workpiece.

[0004] For the related technology in the above, in the process of vertical processing laser marking machine operation, when the workpiece to be processed exceeds the movement range of the workbench of vertical processing laser marking machine, it is not easy to process the position required to be marked beyond the working range, thereby limiting the workpiece specification required to be marked. INVENTION CONTENTS

[0005] In order to improve the processing range of laser marking machine, the utility model provides a cantilever type laser marking machine.

[0006] The utility model provides a cantilever type laser marking machine, adopt following technical scheme:

[0007] A cantilever type laser marking machine, including laser device and the support column for supporting the laser device, still include the linear ground rail for the laser device transverse movement being connected to the support column and the cantilever crossbeam for the laser device longitudinal movement being connected to the support column.

[0008] Through the linear ground rail and cantilever crossbeam control laser device to slip, so as to be able to process different specifications of workpiece, and then improve the processing range of laser marking machine.

[0009] Optionally, the support column is provided with a sliding mechanism for connecting with the linear ground rail and supporting the support column and driving the support column to slide.

[0010] By adopting the technical scheme, the support column can be supported and slid by the sliding mechanism to realize lateral movement of the laser device.

[0011] Optionally, the sliding mechanism and the linear rail are provided with a dust cover for preventing dust from entering the sliding mechanism.

[0012] By adopting the technical scheme, the dust cover can reduce the dust and impurities generated on the upper side and side edge of the linear rail from entering the sliding mechanism to affect the sliding of the support column. In addition, there is a gap between the linear rail and the dust cover, thereby reducing the influence of the dust cover on the movement of the support column, and further ensuring the accuracy of the sliding of the support column.

[0013] Optionally, the sliding mechanism is provided with a horizontal slot for mounting the dust cover and a vertical slot communicated with the horizontal slot and used for limiting the dust cover.

[0014] By adopting the technical scheme, the horizontal slot and the vertical slot on the sliding mechanism can mount and limit the dust cover, so that the support column can slide with the dust cover mounted. In addition, the horizontal slot and the vertical slot can reduce the influence of the dust cover on the sliding mechanism.

[0015] Optionally, the linear rail is provided with a mounting slot between the sliding mechanisms, and the mounting slot is provided with a rail drag chain for electrifying the support column to drive the support column to slide.

[0016] By adopting the technical scheme, the slot for mounting the rail drag chain on the linear rail can reduce the volume of the linear rail and the space required for placing the linear rail in different positions while mounting the rail drag chain, thereby adapting to the installation of different production environments.

[0017] Optionally, the linear rail is provided with a plurality of support assemblies for supporting the linear rail.

[0018] By adopting the technical scheme, the support assembly is mounted on the side of the linear rail close to the ground, thereby preventing the linear rail from directly contacting the ground to reduce the influence of the damp ground on the rail drag chain. In addition, the linear rail can be installed on uneven ground to reduce the occurrence of abnormal conditions such as tilting and deviation.

[0019] Optionally, the cantilever beam is provided with a guide mechanism for driving the laser device to move.

[0020] By adopting the above technical solution, by installing a guide mechanism on the cantilever beam and moving it longitudinally along the length direction of the cantilever beam, the processing range of the laser device is increased, thereby improving the processing range of the laser marking machine.

[0021] Optionally, a saddle fixing bracket is provided on the cantilever beam for fixing the guide mechanism during transportation.

[0022] By adopting the above technical solution, by installing a saddle fixing bracket on the cantilever beam, the guide mechanism can be transported simultaneously with the cantilever beam, thereby reducing the risk of damage to the guide mechanism due to bumps during transportation and the process of repeated installation and debugging of the guide mechanism.

[0023] Optionally, a limit block for limiting the travel of the guide mechanism is provided on the cantilever beam.

[0024] By adopting the above technical solution, by installing a limit block on the cantilever beam, the guide mechanism is limited and prevented from detaching from the cantilever beam or colliding with the supporting column, thereby reducing the impact damage to the guide mechanism caused by improper operator operation and software error response.

[0025] Optionally, support reinforcement ribs for enhancing the stability of the cantilever beam are provided between the support column and the cantilever beam.

[0026] By adopting the above technical solution, by installing support reinforcement ribs between the support column and the cantilever beam, the stability of the cantilever beam can be enhanced, and the phenomenon of fracture at the connection between the support column and the cantilever beam due to the cantilever beam being too long can be reduced.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. The laser device is controlled to slide by a linear ground rail and a cantilever beam, so that workpieces of different specifications can be processed, thereby increasing the processing range of the laser marking machine;

[0029] 2. The horizontal and vertical grooves on the sliding mechanism allow the dust cover to be installed and limited, so that the support column can slide with the dust cover installed. The horizontal and vertical grooves can also reduce the friction caused by the dust cover on the sliding mechanism.

[0030] 3. By installing a guide mechanism on the cantilever beam and moving it longitudinally along the length of the cantilever beam, the processing range of the laser device is increased, thereby improving the processing range of the laser marking machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is the overall structure schematic diagram of the cantilever type laser marking machine of the embodiment of the utility model;

[0032] Figure 2 is the explosion schematic diagram of the linear ground rail, ground rail tow chain, installation slot, isolation board, placement board, sliding plate, connecting piece, buffer block, dust cover and support column of the embodiment of the utility model;

[0033] Figure 3 is Figure 2 the local amplification schematic diagram of A part in the middle;

[0034] Figure 4 is Figure 2 the local amplification schematic diagram of B part in the middle.

[0035] The part names referred to by the numbers in the above drawings are as follows: 1, support stand; 2, laser galvanometer; 3, laser; 4, linear ground rail; 5, installation slot; 6, ground rail tow chain; 7, isolation board; 8, placement board; 9, sliding block; 10, dust cover; 11, support column; 12, buffer block; 13, sliding plate; 14, fixed reinforcing rib; 15, connecting piece; 16, horizontal connecting piece; 17, support component; 18, support assembly; 19, support pad; 20, adjusting pad; 21, cantilever beam; 22, main line rail mounting seat; 23, auxiliary line rail mounting seat; 24, rack mounting seat; 25, sliding saddle; 26, hand-operated digital display sliding table; 27, motor; 28, tow chain support; 29, guide tow chain; 30, limit block; 31, proximity switch; 32, sliding saddle fixed support; 33, triangular reinforcing rib; 34, linear guide rail; 35, laser device; 36, sliding mechanism; 37, guide mechanism; 38, vertical slot; 39, horizontal slot; 40, support reinforcing rib. DETAILED DESCRIPTION

[0036] The utility model will be further described in detail in combination with the drawings and embodiments. Figures 1 to 4 The utility model discloses a cantilever type laser marking machine.

[0037] Referring to Figure 1 The utility model discloses a cantilever type laser marking machine, which comprises a laser device 35, a support stand 1 for supporting the laser device 35, a linear ground rail 4 for moving the support stand 1 and a cantilever beam 21 for moving the laser device 35.

[0038] Referring to Figure 2The linear rail 4 is provided with a mounting groove 5 at the center of the sliding mechanism 36 on the side close to the support column 1, the mounting groove 5 penetrates the linear rail 4 along the length direction of the linear rail 4, and the linear rail 4 is provided with a rail drag chain 6 for energizing the support column 1 to drive the support column 1 to slide on the linear rail 4, and the rail drag chain 6 is placed in the mounting groove 5, so that the volume of the linear rail 4 can be reduced and the space required for placing the linear rail 4 in different positions can be reduced when the rail drag chain 6 is mounted, thereby adapting to the installation of different production environments. In this embodiment, the linear rail 4 includes two side beams and a plurality of placement beams, the side beams are welded with a plurality of placement beams along the length direction, and the length of the side beam and the number of the placement beams can be increased according to the specifications of the workpiece to be processed, thereby improving the processing range. The side beam and the placement beam are formed into a hollow structure by butt welding a square steel pipe, thereby reducing the weight while ensuring the stability of the linear rail 4, thereby facilitating transportation and installation.

[0039] Referring to Figure 2 The rail drag chain 6 and the mounting groove 5 are provided with a separation plate 7 for separating the ground, and the separation plate 7 is provided with a placement plate 8 for guiding the placement of the rail drag chain 6, thereby limiting the rail drag chain 6 and reducing the influence of moisture on the cables in the rail drag chain 6.

[0040] Referring to Figure 2 The linear rail 4 is provided with a plurality of support assemblies 18 uniformly distributed along the length direction on the side close to the ground, the support assemblies 18 are used to strengthen the stability of the linear rail 4 installed on the ground and reduce the occurrence of abnormal conditions such as tilting or deviation of the linear rail 4 installed on the ground. The support assembly 18 includes a support pad 19 and an adjusting pad 20, the support pad 19 is welded on the side of the linear rail 4 close to the ground, the support pad 19 is perpendicular to the linear rail 4, the adjusting pad 20 is located below the support pad 19 and is bolted with the support pad 19, and the distance between the support pad 19 and the adjusting pad 20 is controlled by the bolt and the nut, thereby enabling installation on uneven ground to ensure the stability of the linear rail 4. A plurality of triangular reinforcing ribs 33 are arranged between the support pad 19 and the linear rail 4, thereby further improving the stability of the linear rail 4. In this embodiment, the support assembly 18 has six and is symmetrically arranged on the two sides away from the center of the linear rail 4.

[0041] Referring to Figure 2 And Figure 3The sliding mechanism 36 comprises the linear guide rail 34, the sliding block 9, the connecting piece 15 and the sliding plate 13. The linear guide rail 34 is arranged on the linear rail 4 close to one side of the support column 1 and is used for guiding and sliding the support column 1. A plurality of linear guide rails 34 are arranged on the linear guide rail 34 and are used for driving the support column 1 to slide and cooperate with the linear guide rail 34. The dustproof cover 10 is arranged on one side of the linear guide rail 34 close to the support column 1, so that the dust and impurities generated during machining can be prevented from entering the linear guide rail 34 to affect the sliding of the sliding block 9, thereby improving the accuracy of the laser marking machine. The dustproof cover 10 extends to the mounting groove 5 and does not abut against the placing beam, thereby further preventing dust and impurities generated during machining from entering.

[0042] With reference to Figure 2 The dustproof cover 10 is welded with a plurality of support columns 11 arranged along the length direction of the linear rail 4 and uniformly distributed on one side of the linear guide rail 34, so as to support the dustproof cover 10 and reduce stress concentration. The dustproof cover 10 is welded with a buffer block 12 for limiting the sliding block 9 on both ends close to one side of the linear guide rail 34. In this embodiment, the support column 11 is L-shaped, the L-shaped support column 11 is horizontally arranged on the linear rail 4 close to the linear rail 4, and the L-shaped support column 11 is welded with the dustproof cover 10 on one end perpendicular to the linear rail 4, so as to reduce the stress concentration of the dustproof cover 10, improve the stability of the dustproof cover 10, and further reduce the volume of the dustproof cover 10 to facilitate transportation and installation.

[0043] With reference to Figure 1 Or Figure 2 The sliding block 9 is provided with a sliding plate 13 for supporting the support column 1 on the side away from the linear guide rail 34, the area of the sliding plate 13 connected with the sliding block 9 is greater than the area of the support column 1 close to the sliding block 9, and the sliding plate 13 and the support column are welded with each other, so as to reduce the stress concentration of the support column 1. A plurality of fixed reinforcing ribs 14 are arranged between the periphery of the support column 1 and the sliding plate 13, thereby further strengthening the stability of the support column 1. The connecting piece 15 for driving the support column 1 to slide is arranged between the sliding block 9 and the sliding plate 13, and the connecting piece 15 can prevent the sliding plate 13 from contacting the dustproof cover 10, so that the sliding operation of the support column 1 can be continued under the condition that the dustproof cover 10 is installed. In this embodiment, the linear guide rail 34 is arranged on both side beams of the linear rail 4, and three sliding blocks 9 are arranged on one linear guide rail 34. The number of connecting pieces 15 corresponds to the number of sliding blocks 9.

[0044] With reference to Figure 4The connecting member 15 includes a horizontal connecting member 16 and a supporting member 17. The supporting member 17 is U-shaped. A horizontal groove 39 for placing the dust cover 10 is provided between the connecting member 15 and the slide 13. The supporting member 17 on the connecting member 15 is provided with a vertical groove 38 for limiting the dust cover 10. The vertical groove 38 is located inside the U-shape of the supporting member 17. The opening of the vertical groove 38 is connected to the horizontal groove 39, and the horizontal groove 39 and the vertical groove 38 do not abut the dust cover 10. The side edge of the dust cover 10 away from the installation groove 5 is located in the vertical groove 38 and does not abut the connecting member 15, so that the sliding mechanism 36 can slide when the dust cover 10 is installed, and the influence of the dust cover 10 on the friction of the sliding mechanism 36 is reduced.

[0045] Reference Figure 4 The side of the support component 17 that is closer to the horizontal connector 16 is connected to the horizontal connector 16, which is fixed to the top of the slider 9. The side of the support component 17 that is away from the horizontal connector 16 is welded to the slide 13. The length of the side of the support component 17 that is fixed to the top of the slider 9 is shorter than the length of the side of the support component 17 that is welded to the slide 13. The side of the dust cover 10 that is away from the mounting groove 5 is located within the U-shaped groove corresponding to the support component 17 and does not abut the connector 15. This reduces the friction caused by the connector 15 sliding on the dust cover 10, which may cause damage or reduce the accuracy of sliding.

[0046] Reference Figure 1 , a cantilever beam 21 is provided on the support column 1 for driving the laser device 35 to slide. The laser device 35 includes a laser 3 and a laser galvanometer 2. The laser 3 for outputting a laser beam is installed on the side of the support column 1 away from the cantilever beam 21. The linear ground rail 4 is used to make the support column 1 slide along the length direction of the linear ground rail 4. The support column 1 and the linear ground rail 4 are perpendicular to each other, and the cantilever beam 21 and the support column 1 are perpendicular to each other. In this embodiment, the support column 1 is formed by welding square steel tubes. The area of ​​the square steel tubes for welding is larger than the area of ​​the steel plates for welding, and the square steel tubes are hollow structures, thereby reducing the difficulty of welding for the operator, reducing welding costs, and reducing the weight of the support column 1.

[0047] Reference Figure 1The cantilever beam 21 is provided with a guide mechanism 37 for installing and driving the laser galvanometer 2 to slide. The guide mechanism 37 includes a saddle 25, a hand-cranked digital display slide 26, a main linear rail mounting seat 22, a secondary linear rail mounting seat 23, a motor 27 and a rack mounting seat 24. The cantilever beam 21 is provided with a saddle 25 for installing and driving the laser galvanometer 2 to slide. A hand-cranked digital display slide 26 for controlling the movement of the laser galvanometer 2 in a direction perpendicular to the ground is installed on the side of the saddle 25 away from the cantilever beam 21, so as to adjust the distance of the laser projected onto the workpiece. The saddle 25 is provided with a motor 27 for driving the saddle 25 to move on the main linear rail mounting seat 22 and the secondary linear rail mounting seat 23 of the cantilever beam 21, so that the laser marking machine can perform automated processing. In this embodiment, the cantilever beam 21 is formed by welding square steel tubes. The welding area of ​​the square steel tubes is larger than the welding area of ​​the steel plates and the square steel tubes are hollow structures, thereby reducing the difficulty of welding for the operator, reducing welding costs, and reducing the weight of the cantilever beam 21. The length of the cantilever beam 21 is adjusted according to the specifications of the workpiece to be processed, thereby increasing the processing range of the laser marking machine.

[0048] Reference Figure 1 The cantilever beam 21 is perpendicular to the support column 1 and the linear ground rail 4, respectively. Several supporting triangular ribs 40 are welded to the side between the cantilever beam 21 and the support column 1 near the linear ground rail 4. The cantilever beam 21 is welded with a main rail mounting seat 22, a secondary rail mounting seat 23, and a rack mounting seat 24 along its length for driving the laser galvanometer 2 to slide. The main rail mounting seat 22 is located on the side away from the ground, the secondary rail mounting seat 23 is located below the main rail mounting seat 22, and the rack mounting seat 24 is located between the main rail mounting seat 22 and the secondary rail mounting seat 23. In this embodiment, two supporting triangular ribs 40 are installed, and the number of supporting triangular ribs 40 increases with the width of the cantilever beam 21, and the size of the supporting triangular ribs 40 increases with the length of the cantilever beam 21, thereby further fixing the cantilever beam 21.

[0049] Reference Figure 1 A drag chain bracket 28 is welded on the cantilever beam 21, and the drag chain bracket 28 is located on the side of the cantilever beam 21 away from the ground. A guide drag chain 29 is installed on the drag chain bracket 28 for energizing the power supply machine 27 and guiding the saddle 25. The guide drag chain 29 is connected to the saddle 25, thereby improving the safety of the saddle 25 while energizing the motor 27.

[0050] Reference Figure 1The cantilever beam 21 is provided with a limiting block 30 for limiting the slide saddle 25 and preventing the slide saddle 25 from colliding on both sides of the slide saddle 25, and the limiting block 30 is located between the rack mounting seat 24 and the auxiliary rail mounting seat 23, thereby reducing the risk of the slide saddle 25 being damaged due to improper operation of the operator or software error response and the like.

[0051] With reference to Figure 1 The cantilever beam 21 is provided with a proximity switch 31 for zero reset operation below both sides of the slide saddle 25, thereby being capable of performing zero reset operation on the slide saddle 25, improving the accuracy of the laser marking machine, and further reducing the deviation or abnormality in actual processing due to power failure, shutdown and the like.

[0052] With reference to Figure 1 The cantilever beam 21 is provided with a slide saddle fixing support 32 for fixing and mounting the slide saddle 25, and the slide saddle fixing support 32 is located between the main rail mounting seat 22 and the rack mounting seat 24, thereby being capable of simultaneously transporting the slide saddle 25 with the cantilever beam 21, further reducing the risk of device damage due to collision during transportation and the process of repeatedly mounting and debugging the slide saddle 25.

[0053] The mounting process of the cantilever laser marking machine is as follows:

[0054] The support pad 19 in the support assembly 18 is welded below both sides of the linear rail 4, the adjusting pad 20 is placed below the support pad 19 and is bolted with the support pad 19, and the distance between the support pad 19 and the adjusting pad 20 is controlled by the bolt and the nut, thereby being capable of being installed on uneven ground to ensure the stability of the linear rail 4.

[0055] The running process of the cantilever laser marking machine is as follows:

[0056] The handle of the rotary hand-operated digital display sliding table 26 is rotated to control the laser galvanometer 2 to move up and down, thereby being capable of adjusting the distance of the laser beam generated by the laser 3 to project onto the workpiece, when the slide saddle fixing support 32 is disassembled, the cable in the rail drag chain 6 is connected to drive the support column 1 to slide on the linear guide rail 34 of the linear rail 4, and at the same time, the cable in the guide drag chain 29 is connected with the motor 27 on the slide saddle 25 to control the motor 27 to generate electricity to drive the gear to rotate, the gear cooperates with the rack mounting seat 24 to realize the movement of the slide saddle 25, at this time, the main rail mounting seat 22 and the auxiliary rail mounting seat 23 guide the sliding of the slide saddle 25, when the slide saddle 25 is controlled to slide to the proximity switch 31 and abuts against the proximity switch 31, the cable of the guide drag chain 29 controls the slide saddle 25 to slide to the opposite direction of the abutting proximity switch 31.

[0057] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A gantry laser marking machine comprising a laser device (35) and a support column (1) for supporting the laser device (35), characterized in that: The linear rail (4) is connected to the support column (1) and is used for transverse movement of the laser device (35), and the cantilever beam (21) is connected to the support column (1) and is used for longitudinal movement of the laser device (35); The support column (1) is provided with a sliding mechanism for connecting with the linear rail (4) and for supporting and driving the support column (1) to slide; The dustproof cover (10) is arranged between the sliding mechanism (36) and the linear rail (4) and is used for preventing dust from entering the sliding mechanism (36); The sliding mechanism (36) is provided with a horizontal groove (39) for mounting the dustproof cover (10) and a vertical groove (38) connected to the horizontal groove (39) and used for limiting the dustproof cover (10).

2. A gantry laser marking machine as claimed in claim 1, characterised in that: The linear rail (4) is provided with a mounting groove (5) between the sliding mechanisms (36), and the linear rail drag chain (6) is arranged in the mounting groove (5) and is used for energizing the support column (1) to drive the support column (1) to slide.

3. A gantry laser marking machine as claimed in claim 1, wherein: The linear rail (4) is provided with a plurality of support assemblies (18) for supporting the linear rail (4).

4. A gantry laser marking machine as claimed in claim 1, characterized in that: The cantilever beam (21) is provided with a guide mechanism (37) for driving the laser device (35) to move.

5. A gantry laser marking machine as claimed in claim 4, characterised in that: The cantilever beam (21) is provided with a slide saddle fixing support (32) for fixing the guide mechanism (37) during transportation.

6. A gantry laser marking machine as claimed in claim 4, characterised in that: The cantilever beam (21) is provided with a limiting block (30) for limiting the stroke of the guide mechanism (37).

7. A gantry laser marking machine as claimed in claim 1, wherein: The support column (1) and the cantilever beam (21) are provided with a support reinforcing rib (40) for strengthening the stability of the cantilever beam (21).

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