Laser cutting equipment for precision equipment sheet metal machining

Abstract

Laser cutting equipment for precision equipment sheet metal machining relates to the field of sheet metal machining and comprises a laser cutting head, a cutting table mechanism, a gantry hoisting mechanism and a cutting cleaning mechanism, and the cutting cleaning mechanism and the laser cutting head are both arranged on the gantry hoisting mechanism. The gantry hoisting mechanism comprises a transverse guide rail and a vertical guide rail which are arranged on the cutting table mechanism, the cutting and cleaning mechanism comprises a flow guide cover and a turbofan assembly arranged on the inner side of the flow guide cover, and the turbofan assembly is used for cleaning the laser cutting part. The surface of the sheet metal part of the cutting part of the laser cutting head is cleaned, in the moving process of the laser cutting head, the turbofan assembly on the inner side of the flow guide cover rotates and grinds the surface of the sheet metal part, residual oil stains, dust particles and rust are reduced, residues on the surface of the sheet metal part are reduced, the turbofan assembly rotates to rub the surface of the sheet metal part, and the surface of the sheet metal part is protected. Dirt on the surface of the sheet metal part is cleaned in time, the cutting face is prevented from being rough, and the cutting precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sheet metal processing, and in particular to a laser cutting device for sheet metal processing of precision equipment. Background Art

[0002] Sheet metal laser cutting is an advanced metal processing technology that achieves high-precision cutting effects by focusing a high-energy laser beam on the surface of sheet metal to instantly melt or vaporize the metal. During operation, the path and parameters of the laser beam are precisely controlled by a computer numerical control system, and a variety of sheet metal materials such as carbon steel, stainless steel, and aluminum alloy can be cut. It is widely used in many fields such as machinery manufacturing, automobile industry, and kitchenware production.

[0003] In the process of sheet metal laser cutting, the cleanliness of the steel plate surface plays a key role in the cutting quality. In the actual production environment, various foreign objects are often attached to the surface of the steel plate, such as oil, dust particles, rust left over from the processing process, and impurities contaminated during transportation and storage. The presence of these foreign objects will seriously affect the effect of laser cutting. They may cause uneven absorption and scattering of laser energy, which in turn may cause problems such as rough cutting surface, slag, and reduced cutting accuracy. They may even damage the optical components of the laser cutting equipment, increase equipment maintenance costs and downtime, and reduce production efficiency. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] To achieve the above-mentioned purpose, the present invention proposes a laser cutting equipment for sheet metal processing of precision equipment, including a laser cutting head, including a cutting table mechanism, a gantry lifting mechanism and a cutting and cleaning mechanism, wherein the gantry lifting mechanism is arranged on the cutting table mechanism, and the cutting and cleaning mechanism and the laser cutting head are both arranged on the gantry lifting mechanism, and the gantry lifting mechanism includes a transverse guide rail and a vertical guide rail arranged on the cutting table mechanism, wherein the vertical guide rail and the transverse guide rail slide perpendicularly to each other, and the cutting and cleaning mechanism and the laser cutting head are both arranged on the vertical guide rail, and the cutting and cleaning mechanism includes a guide cover and a turbofan assembly arranged on the inner side of the guide cover, wherein the guide cover is arranged on the vertical guide rail, and the turbofan assembly is arranged on the inner side of the guide cover, and the turbofan assembly is used to clean the laser cut part.

[0006] Furthermore, the turbofan assembly includes a fan blade, a top plate and a cutting groove, wherein the fan blade is rotatably arranged on the inner side of the guide cover, the cutting groove is arranged through the middle position of the fan blade, the laser cutting head is located on the inner side of the cutting groove, and the top plate is arranged on the top of the fan blade.

[0007] Furthermore, a waste outlet is provided at the edge of the air guide cover, and a grinding sheet is provided at the bottom of the fan blade.

[0008] Furthermore, a buffer block is provided on the top of the top plate, and the buffer block is made of silicone rubber.

[0009] Furthermore, an obstacle avoiding claw is provided at the bottom of the air deflector, and a ball is provided at the bottom of the obstacle avoiding claw.

[0010] Furthermore, a driving assembly for driving the turbofan assembly to rotate is provided on one side of the air deflector, and the driving assembly includes a driving cover and a driving motor, the driving cover is arranged on the air deflector, the driving motor is arranged on the driving cover, a driving pulley is arranged on the power shaft of the driving motor, a driven pulley is arranged on the top of the fan blade, and a belt is arranged between the driving pulley and the driven pulley.

[0011] Furthermore, the cutting table mechanism includes a cutting table and a supporting table top, wherein the supporting table top is arranged on the upper surface of the cutting table, the surface of the supporting table top is a hollow structure, a cavity is arranged below the supporting table top, and an exhaust pump is arranged at the air outlet end of the cavity.

[0012] Furthermore, a pull-out waste tray is provided below the support table.

[0013] Furthermore, a clamping mechanism is provided on the transverse guide rail, and the clamping mechanism includes an electric cylinder, a height adjustment seat and a clamp, wherein the clamp is provided on the output shaft of the electric cylinder, the height adjustment seat is provided on the transverse guide rail, and the top of the height adjustment seat is connected to the electric cylinder, and a clamp driving block is provided on the transverse guide rail, and the clamp driving block is connected to the height adjustment seat.

[0014] Furthermore, a sliding block is arranged on the vertical guide rail, the air deflector and the laser cutting head are arranged at the bottom of the sliding block, and a walking base is arranged on the transverse guide rail, and the walking base is connected to the end of the vertical guide rail.

[0015] Beneficial effect: The present invention cleans the surface of the sheet metal part cut by the laser cutting head. During the movement of the laser cutting head, the turbofan assembly on the inner side of the deflector rotates and grinds the surface of the sheet metal, thereby reducing residual oil, dust particles, and rust, and reducing the residue on the surface of the sheet metal part, making the absorption and scattering of laser energy more uniform, preventing problems such as rough cutting surface, slag, and reduced cutting accuracy, and improving production efficiency.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which: Figure 1 A schematic structural diagram of a laser cutting device for sheet metal processing of precision equipment according to an embodiment of the present invention; Figure 2 A top view of a laser cutting device for sheet metal processing of precision equipment according to an embodiment of the present invention; Figure 3 A schematic diagram of a partial structure of a laser cutting device for sheet metal processing of precision equipment according to an embodiment of the present invention; Figure 4 for Figure 3 A magnified view of middle; Figure 5 A bottom view of a turbofan assembly in a laser cutting device for sheet metal processing of precision equipment according to an embodiment of the present invention; Figure 6 It is a right side cross-sectional view of a turbofan assembly in a laser cutting device for sheet metal processing of precision equipment according to an embodiment of the present invention.

[0018] As shown in the figure: 1. Cutting table mechanism; 11. Cutting table; 12. Exhaust pump; 13. Support table; 14. Waste tray; 2. Gantry lifting mechanism; 21. Walking base; 22. Vertical guide rail; 23. Slider; 24. Horizontal guide rail; 3. Cutting and cleaning mechanism; 31. Cutting head base; 32. Support seat; 33. Guide cover; 331. Obstacle avoidance claw; 332. Ball; 34. Driving motor; 341. Active pulley; 342. Belt; 343. Driven pulley; 35. Drive cover; 36. Turbofan assembly; 361. Top plate; 362. Fan blade; 363. Cutting groove; 364. Grinding sheet; 365. Buffer block; 37. Waste outlet; 4. Clamping mechanism; 41. Electric cylinder; 42. Height adjustment seat; 43. Clamp; 44. Clamp drive block; 5. Laser cutting head. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0020] The laser cutting device for sheet metal processing of precision equipment according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0021] like Figure 1-Figure 3As shown, the laser cutting equipment for sheet metal processing of precision equipment provided by an embodiment of the present invention includes a laser cutting head 5, a cutting table mechanism 1, a gantry lifting mechanism 2 and a cutting and cleaning mechanism 3, wherein the gantry lifting mechanism 2 is arranged on the cutting table mechanism 1, and the cutting and cleaning mechanism 3 and the laser cutting head 5 are both arranged on the gantry lifting mechanism 2.

[0022] The gantry hoisting mechanism 2 includes a transverse guide rail 24 and a vertical guide rail 22 arranged on the cutting table mechanism 1, wherein the vertical guide rail 22 and the transverse guide rail 24 slide perpendicularly to each other, and the cutting and cleaning mechanism 3 and the laser cutting head 5 are both arranged on the vertical guide rail 22.

[0023] The cutting and cleaning mechanism 3 includes a guide cover 33 and a turbofan assembly 36 arranged on the inner side of the guide cover 33, wherein the guide cover 33 is arranged on the cutting head base 31 through the support seat 32, the cutting head base 31 is connected to the output shaft of the vertical guide rail 22, and the turbofan assembly 36 is arranged on the inner side of the guide cover 33, and the turbofan assembly 36 is used to clean the laser cut part.

[0024] Specifically, in the process of laser cutting of sheet metal, the sheet metal is first placed on the cutting table mechanism 1, and then the laser cutting head 5 is driven by the transverse guide rail 24 and the vertical guide rail 22 in the gantry lifting mechanism 2 to complete the specified cutting pattern. During the movement of the laser cutting head 5, the turbofan assembly 36 on the inner side of the deflector 33 contacts the surface of the sheet metal being cut, and the turbofan assembly 36 rotates and rubs against the surface of the sheet metal, so that the dirt on the surface of the sheet metal is cleaned in time to prevent the cutting surface from being rough and improve the cutting accuracy.

[0025] In one embodiment of the present invention, Figure 4-Figure 6 As shown, the turbofan assembly 36 includes a blade 362, a top plate 361 and a cutting groove 363, wherein the blade 362 is rotatably arranged inside the air deflector 33, the cutting groove 363 is arranged through the middle of the blade 362, the laser cutting head 5 is located inside the cutting groove 363, and the top plate 361 is arranged on the top of the blade 362. A waste outlet 37 is arranged at the edge of the air deflector 33, and a grinding sheet 364 is arranged at the bottom of the blade 362.

[0026] Specifically, during the rotating grinding process of the turbofan assembly 36, the blades 362 rotate to generate centrifugal force, and the grinding sheet 364 at the bottom of the blades 362 grinds the surface of the sheet metal part, and the grinding waste is thrown out to the waste outlet 37 and discharged by the centrifugal force of the blades 362. Since the laser cutting head 5 is located inside the cutting groove 363, and the cutting groove 363 is located in the middle of the blades 362, the laser cutting head 5 can grind the cutting part while moving, ensuring the flatness of the laser cutting part.

[0027] In addition, the centrifugal force of the fan blades 362 generates a negative pressure effect, and the heat inside the cutting groove 363 can be centrifugally transferred through the fan blades 362, and a part of the debris generated by laser cutting can also be centrifugally transferred.

[0028] In one embodiment of the present invention, Figure 6 As shown, a buffer block 365 is provided on the top of the top plate 361. The buffer block 365 is made of silicone rubber and can provide an elastic supporting force for the fan blade 362, so that the grinding sheet 364 at the bottom of the fan blade 362 can fully contact the uneven surface of the sheet metal and increase the grinding area.

[0029] In one embodiment of the present invention, Figure 4-Figure 6 As shown, an obstacle avoiding claw 331 is disposed at the bottom of the air deflector 33 , and a ball 332 is disposed at the bottom of the obstacle avoiding claw 331 .

[0030] Specifically, when the air duct 33 encounters a raised portion of a sheet metal part during its movement, the ball 332 at the bottom of the obstacle avoidance claw 331 can ensure that the air duct 33 passes through easily, thereby preventing the turbofan assembly 36 inside the air duct 33 from encountering resistance during its movement.

[0031] In one embodiment of the present invention, Figure 4-Figure 6 As shown, a driving assembly for driving the turbofan assembly 36 to rotate is provided on one side of the air deflector 33, and the driving assembly includes a driving cover 35 and a driving motor 34. The driving cover 35 is arranged on the air deflector 33, and the driving motor 34 is arranged on the driving cover 35. A driving pulley 341 is arranged on the power shaft of the driving motor 34, and a driven pulley 343 is arranged on the top of the fan blade 362, and a belt 342 is arranged between the driving pulley 341 and the driven pulley 343.

[0032] Specifically, during the rotation of the turbofan assembly 36, the driving motor 34 drives the active pulley 341 to rotate, the active pulley 341 drives the driven pulley 343 to rotate through the belt 342, the driven pulley 343 drives the fan blades 362 to rotate, and then drives the fan blades 362 to rotate at high speed.

[0033] In one embodiment of the present invention, Figure 1-Figure 3 As shown, the cutting table mechanism 1 includes a cutting table 11 and a support table 13, wherein the support table 13 is arranged on the upper surface of the cutting table 11, the surface of the support table 13 is a hollow structure, a cavity is arranged below the support table 13, and an exhaust pump 12 is arranged at the air outlet end of the cavity. A retractable waste tray 14 is arranged below the support table 13.

[0034] Specifically, during the cutting process of the sheet metal on the support table 13, the laser cutting head 5 penetrates the sheet metal from top to bottom for cutting, and most of the waste chips generated fall from the bottom of the sheet metal and are discharged into the cavity below the support table 13. The negative pressure of the exhaust pump 12 causes negative pressure suction to be generated on the surface of the support table 13, and the waste chips fall onto the waste tray 14 under the action of the negative pressure, and the air is discharged and transferred from the exhaust pump 12, thereby reducing the generation of excessive waste chips during the cutting process.

[0035] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, a clamping mechanism 4 is arranged on the transverse guide rail 24, and the clamping mechanism 4 includes an electric cylinder 41, a height adjustment seat 42 and a clamp 43, wherein the clamp 43 is arranged on the output shaft of the electric cylinder 41, the height adjustment seat 42 is arranged on the transverse guide rail 24, and the top of the height adjustment seat 42 is connected to the electric cylinder 41, and a clamp driving block 44 is arranged on the transverse guide rail 24, and the clamp driving block 44 is connected to the height adjustment seat 42.

[0036] Specifically, in order to firmly clamp both sides of the sheet metal and facilitate the feeding and unloading of the sheet metal, the edge of the sheet metal is clamped by the clamp 43, and the height adjustment seat 42 is used to adapt to the clamping of sheet metals of different thicknesses. After the clamp 43 is clamped, the clamp 43 and the sheet metal are pressed against each other by the electric cylinder 41. In addition, the clamp 43 can be moved left and right on the transverse guide rail 24 by the clamp driving block 44, so as to facilitate the feeding and unloading of the sheet metal.

[0037] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, a slider 23 is provided on the vertical guide rail 22 , a deflector 33 and a laser cutting head 5 are both provided at the bottom of the slider 23 , and a walking base 21 is provided on the transverse guide rail 24 , and the walking base 21 is connected to the end of the vertical guide rail 22 .

[0038] Specifically, after the vertical guide rail 22 is connected to the transverse guide rail 24 through the slider 23, the vertical guide rail 22 can move left and right along the transverse guide rail 24, and the laser cutting head 5 can move forward and backward on the vertical guide rail 22, so that the laser cutting head 5 can cut the sheet metal parts on the plane of the cutting table 11 at will.

[0039] In order to clearly explain the above embodiments, refer to Figure 1-Figure 6 The specific working principle of the laser cutting equipment for precision equipment sheet metal processing of the present invention is as follows: in the process of laser cutting of sheet metal parts, the sheet metal parts are first placed on the support table 13, and the edge part of the sheet metal parts is clamped by the clamp 43. After the clamp 43 is clamped, the clamp 43 and the sheet metal parts are pressed against each other by the electric cylinder 41, and then the position of the sheet metal parts is adjusted by moving left and right on the transverse guide rail 24 through the clamp driving block 44.

[0040] Then, the laser cutting head 5 is driven by the transverse guide rail 24 and the vertical guide rail 22 in the gantry hoisting mechanism 2 to complete the specified cutting pattern. During the movement of the laser cutting head 5, the turbofan assembly 36 on the inner side of the air deflector 33 contacts and grinds the surface of the cut sheet metal. During the rotation and grinding of the turbofan assembly 36, the driving motor 34 drives the driving pulley 341 to rotate, the driving pulley 341 drives the driven pulley 343 to rotate through the belt 342, and the driven pulley 343 drives the fan blades 362 to rotate, thereby driving the fan blades 362 to rotate at high speed.

[0041] The rotation of the blades 362 generates centrifugal force, and the grinding sheet 364 at the bottom of the blades 362 grinds the surface of the sheet metal part. The grinding waste is thrown out to the waste outlet 37 and discharged by the centrifugal force of the blades 362. Since the laser cutting head 5 is located inside the cutting groove 363, and the cutting groove 363 is located in the middle of the blades 362, the laser cutting head 5 can grind the cutting part while moving to ensure the flatness of the laser cutting part. In addition, the centrifugal force of the blades 362 generates a negative pressure effect, so that the heat inside the cutting groove 363 can be centrifugally transferred through the blades 362, and part of the debris generated by laser cutting can also be centrifugally transferred.

[0042] In addition, when the air deflector 33 encounters a raised portion of a sheet metal part during its movement, the ball 332 at the bottom of the obstacle avoidance claw 331 can ensure that the air deflector 33 passes through easily, thereby preventing the turbofan assembly 36 inside the air deflector 33 from encountering resistance during its movement.

[0043] During the cutting process of the sheet metal on the support table 13, the laser cutting head 5 penetrates the sheet metal from top to bottom for cutting, and most of the waste chips generated fall and are discharged from the bottom of the sheet metal. The negative pressure of the support table 13 causes negative pressure suction on its surface due to the negative pressure of the exhaust pump 12. The waste chips fall onto the waste tray 14 due to the negative pressure, and the air is discharged and transferred from the exhaust pump 12, thereby reducing the generation of excessive waste chips during the cutting process.

[0044] After cutting is completed, the position of the sheet metal is adjusted by moving the clamp driving block 44 to the right on the transverse guide rail 24 so that the sheet metal leaves the laser cutting head 5, and finally the clamp 43 and the electric cylinder 41 are opened to take out the cut sheet metal.

[0045] In summary, the laser cutting equipment for sheet metal processing of precision equipment in the embodiment of the present invention cleans the surface of the sheet metal part cut by the laser cutting head. During the movement of the laser cutting head, the turbofan assembly on the inner side of the air duct rotates and grinds the surface of the plate part, thereby reducing residual oil, dust particles, and rust, and reducing the residue on the surface of the sheet metal part, making the absorption and scattering of laser energy more uniform, preventing problems such as rough cutting surface, slag, and reduced cutting accuracy, and improving production efficiency.

[0046] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and deform the above embodiments within the scope of the present invention.

Claims

1. A laser cutting device for sheet metal processing of precision equipment, comprising a laser cutting head (5), characterized in that: It comprises a cutting table mechanism (1), a gantry hoisting mechanism (2) and a cutting and cleaning mechanism (3), wherein: The gantry hoisting mechanism (2) comprises a transverse guide rail (24) and a vertical guide rail (22) arranged on the cutting table mechanism (1), and the laser cutting head (5) is arranged on the vertical guide rail (22); The cutting and cleaning mechanism (3) comprises a shroud (33) and a turbofan assembly (36) arranged inside the shroud (33), wherein the shroud (33) is arranged on a vertical guide rail (22), the turbofan assembly (36) is arranged inside the shroud (33), and the turbofan assembly (36) is used to clean the laser-cut part.

2. The laser cutting equipment for precision equipment sheet metal processing according to claim 1, characterized in that: The turbofan assembly (36) comprises a fan blade (362), a top plate (361) and a cutting groove (363), wherein the fan blade (362) is rotatably arranged on the inner side of the guide cover (33), the cutting groove (363) is arranged through the middle position of the fan blade (362), the laser cutting head (5) is located on the inner side of the cutting groove (363), and the top plate (361) is arranged on the top of the fan blade (362).

3. The laser cutting equipment for precision equipment sheet metal processing according to claim 2, characterized in that: A waste material outlet (37) is provided at the edge of the air guide cover (33), and a grinding sheet (364) is provided at the bottom of the fan blade (362).

4. The laser cutting equipment for precision equipment sheet metal processing according to claim 2, characterized in that: A buffer block (365) is provided on the top of the top plate (361), and the buffer block (365) is made of silicone rubber.

5. The laser cutting equipment for precision equipment sheet metal processing according to claim 1, characterized in that: The bottom of the air deflector (33) is provided with an obstacle avoidance claw (331), and the bottom of the obstacle avoidance claw (331) is provided with a ball (332).

6. The laser cutting equipment for sheet metal processing of precision equipment according to claim 2, characterized in that: A drive assembly for driving the turbofan assembly (36) to rotate is arranged on one side of the air deflector (33), and the drive assembly comprises a drive cover (35) and a drive motor (34), wherein the drive cover (35) is arranged on the air deflector (33), and the drive motor (34) is arranged on the drive cover (35), a driving pulley (341) is arranged on the power shaft of the drive motor (34), a driven pulley (343) is arranged on the top of the fan blade (362), and a belt (342) is arranged between the driving pulley (341) and the driven pulley (343).

7. The laser cutting equipment for sheet metal processing of precision equipment according to claim 1, characterized in that: The cutting table mechanism (1) comprises a cutting table (11) and a supporting table top (13), wherein the supporting table top (13) is arranged on the upper surface of the cutting table (11), the surface of the supporting table top (13) is a hollow structure, a cavity is arranged below the supporting table top (13), and an exhaust pump (12) is arranged at the air outlet end of the cavity.

8. The laser cutting equipment for sheet metal processing of precision equipment according to claim 7, characterized in that: A pull-out waste tray (14) is provided below the support table (13).

9. The laser cutting equipment for precision equipment sheet metal processing according to claim 1, characterized in that: A clamping mechanism (4) is arranged on the transverse guide rail (24), and the clamping mechanism (4) comprises an electric cylinder (41), a height adjustment seat (42) and a clamp (43), wherein the clamp (43) is arranged on the output shaft of the electric cylinder (41), the height adjustment seat (42) is arranged on the transverse guide rail (24), and the top of the height adjustment seat (42) is connected to the electric cylinder (41), and a clamp driving block (44) is arranged on the transverse guide rail (24), and the clamp driving block (44) is connected to the height adjustment seat (42).

10. The laser cutting equipment for precision equipment sheet metal processing according to claim 1, characterized in that: A slider (23) is arranged on the vertical guide rail (22), the air deflector (33) and the laser cutting head (5) are arranged at the bottom of the slider (23), and a walking base (21) is arranged on the transverse guide rail (24), and the walking base (21) is connected to the end of the vertical guide rail (22).

Images