Dust collection device of laser cutting machine

Abstract

The utility model discloses a dust collection device of a laser cutting machine, which relates to the technical field of laser cutting machines and comprises a cutting table, a gantry moving frame and a laser cutting head, and a driving component used for driving the laser cutting head to move horizontally is mounted on the gantry moving frame. The laser cutting device is reasonable in structure, when the control motor is started, the laser cutting head is driven by the horizontal screw rod and the horizontal moving block to horizontally move, materials placed on the cutting table are movably cut, and in the process, the horizontal screw rod rotates to drive the driving rotating shaft to synchronously rotate through the transmission bevel gear; the driving rotating shaft rotates to drive two abutting moving plates to move back and forth through an eccentric cam and a reset spring, then a plurality of dust collection heads can be driven to move back and forth together through a hexagonal sliding rod, a communicating pipe and a connecting pipe, dust and chippings generated by cutting can be completely sucked into a dust collector to be treated in a centralized mode, the dust collection effect is improved, and practicability is good.

Description

TECHNICAL FIELD

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

[0002] Laser cutting machine is irradiated by high-power density laser beam to material to be cut, so that material is heated to vaporization temperature quickly, evaporates to form hole, with the movement of light beam to material, hole continuously forms narrow cutting seam, and cutting of material is completed;And in the laser cutting process, a large amount of smoke and dust and debris are often generated, these particulate matters are harmful to the health of operator, and also affect the service life and cutting performance of machine, so dust suction device is needed to suck these particulate matters.

[0003] The patent with publication number CN221454670U discloses a dust suction device of laser cutting machine in the prior art, which comprises a cutting table, and a moving mechanism is installed at one end of the top of the cutting table;Through the setting of the dust suction mechanism, when the dust suction pump is started to work, the dust generated in cutting will be sucked into the collecting box through the dust suction cover, the feeding branch pipe, the communication pipe, the feeding main pipe and the discharge pipe, and the dust generated in cutting is concentrated and treated, but in the use process, the dust suction cover is fixedly arranged, when the debris generated in cutting falls between the two dust suction covers, the debris cannot be sucked away due to insufficient suction force, and the dust suction effect is not ideal, which needs to be further improved, therefore, in order to solve the above problems, the utility model provides a dust suction device of laser cutting machine. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of dust suction device of laser cutting machine, to solve the problem that when the debris generated in cutting falls between the two dust suction covers in the above background technology, it is very easy to appear the condition that debris cannot be sucked away due to insufficient suction force.

[0005] In order to achieve the above object, the utility model provides following technical scheme: a dust collection device of laser cutting machine, including cutting table, portal moving frame and laser cutting head, the drive assembly for making the laser cutting head horizontal movement is installed on the portal moving frame, two mounting plates are fixedly installed on the both sides of the portal moving frame away from each other, the top of two mounting plates on the same side is fixedly installed with fixed plate, the top of two fixed plates is fixedly provided with dust collector, the dust collection port of two dust collectors is connected with the communicating pipe through the hose, the bottom of two communicating pipes is fixedly provided with a plurality of connecting pipes, the bottom end of a plurality of connecting pipes is fixedly provided with dust collection head, the both ends of two communicating pipes are fixedly installed with hexagonal slide bar, the side of four mounting plates is provided with hexagonal slide hole, four hexagonal slide bars are slidably installed in four hexagonal slide holes respectively, the drive assembly is connected with the reciprocating drive assembly for making two hexagonal slide bars move back and forth.

[0006] Preferably, the drive assembly includes a control motor fixedly provided on the side of the portal moving frame, a strip-shaped sliding groove is formed in the top of the portal moving frame, mounting rotating holes are formed in the inner walls of the two sides of the strip-shaped sliding groove away from each other, a horizontal screw rod is rotatably installed in the two mounting rotating holes, a horizontal moving block is threadedly connected to the horizontal screw rod, the laser cutting head is fixedly provided on the bottom of the horizontal moving block, the output end of the control motor is fixedly connected with one end of the horizontal screw rod, the other end of the horizontal screw rod is connected with the reciprocating drive assembly.

[0007] Preferably, the reciprocating drive assembly includes two connecting seats fixedly installed on the side of the portal moving frame, connecting rotating holes are formed in the sides of the two connecting seats, a drive rotating shaft is rotatably installed in the two connecting rotating holes, eccentric cams are fixedly installed at the two ends of the drive rotating shaft, end portions of the two hexagonal slide bars are fixedly installed with abutting moving plates, the sides of the two abutting moving plates are respectively attached to the circumferential sides of the two eccentric cams, elastic return elements are installed on the two abutting moving plates, and a synchronous transmission unit is connected to the horizontal screw rod for synchronous rotation of the drive rotating shaft.

[0008] Preferably, the elastic return element includes a return spring, and the two ends of the return spring are fixedly installed on the sides of the mounting plate and the abutting moving plate close to each other.

[0009] Preferably, the synchronous transmission unit includes two transmission bevel gears, one of the transmission bevel gears is fixedly installed on the end of the horizontal screw rod, the other transmission bevel gear is fixedly connected to the drive rotating shaft, and the two transmission bevel gears are meshingly arranged.

[0010] Preferably, the bottom of the fixing plate is uniformly and fixedly provided with a plurality of first electric push rods, and the output ends of the plurality of first electric push rods are fixedly connected with an L-shaped pressing plate.

[0011] Preferably, the bottom of the cutting table is uniformly and fixedly provided with a plurality of supporting legs, the bottom of each supporting leg is provided with a cavity, the inner wall of the top of each cavity is fixedly provided with a second electric push rod, and the output end of each second electric push rod is fixedly provided with a moving wheel.

[0012] In conclusion, the technical effects and advantages of the utility model are as follows:

[0013] 1. The utility model discloses a reasonable structure, when starting control motor, horizontal screw rod rotation will be driven, and horizontal screw rod rotation will be driven laser cutting head horizontal movement, and the material on the cutting table is moved and cut, in this process, horizontal screw rod rotation also drives driving shaft synchronous rotation through transmission bevel gear, and driving shaft rotation drives two eccentric cam circumferential rotation, at this moment, under the cooperation of reset spring, eccentric cam circumferential rotation drives two resistance shift plates to move back and forth, and then a plurality of dust collection heads can be moved back and forth through hexagonal slide rod, communication pipe, connecting pipe, so that the dust and debris generated in cutting can be all sucked into the dust collector for centralized treatment, improve the dust collection effect, and the practicability is good.

[0014] 2. When the second electric push rod is started, the moving wheel moves up and down, and when the moving wheel moves up to be received in the cavity, the equipment can be stably placed on the ground for use, and when the moving wheel moves down to separate the supporting leg from the ground, the equipment can be directly pushed to move and adjust the position, and the practicability is better. ACCURATE DRAWINGS

[0015] 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, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0016] Figure 1 It is a perspective structural schematic view of the dust collection device of the laser cutting machine.

[0017] Figure 2 It is a perspective structural schematic view of the dust collection device of the laser cutting machine.

[0018] Figure 3 It is a cooperation enlarged perspective structural schematic view of the portal moving frame, the horizontal screw rod and the driving shaft in the utility model.

[0019] Figure 4 It is the cooperation amplification stereoscopic structure schematic view of the mounting plate, dust collector and abutting moving plate in the utility model.

[0020] In the figure: 1, cutting table; 2, portal moving frame; 3, laser cutting head; 4, horizontal screw rod; 5, horizontal moving block; 6, control motor; 7, mounting plate; 8, fixed plate; 9, dust collector; 10, communication pipe; 11, dust head; 12, hexagonal slide rod; 13, abutting moving plate; 14, connecting seat; 15, driving shaft; 16, eccentric cam; 17, return spring; 18, transmission bevel gear; 19, first electric push rod; 20, L-shaped pressing plate; 21, supporting leg; 22, second electric push rod; 23, moving wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0022] Embodiment: refer to Figures 1-4 The dust collection device of the laser cutting machine shown in the figure comprises a cutting table 1, a portal moving frame 2 and a laser cutting head 3. The top of the portal moving frame 2 is provided with a strip-shaped sliding groove. The inner walls of the two sides of the strip-shaped sliding groove away from each other are both provided with mounting rotating holes. A horizontal screw rod 4 is rotatably installed in the two mounting rotating holes. A horizontal moving block 5 is threadedly connected to the horizontal screw rod 4. The horizontal moving block 5 is slidably installed in the strip-shaped sliding groove. The laser cutting head 3 is fixedly arranged on the bottom of the horizontal moving block 5. A control motor 6 is fixedly arranged on the side of the portal moving frame 2. The output end of the control motor 6 is fixedly connected with one end of the horizontal screw rod 4.

[0023] The two installation plates 7 on the same side are fixedly installed on the top of the two installation plates 7 on the same side. The top of the two fixed plates 8 is fixedly provided with a dust collector 9. The suction port of the two dust collectors 9 is connected with a communication pipe 10 through a hose. The bottom of the two communication pipes 10 is fixedly provided with a plurality of connecting pipes. The bottom end of the plurality of connecting pipes is fixedly provided with a suction head 11. The two ends of the two communication pipes 10 are fixedly installed with a hexagonal slide rod 12. The side of the four installation plates 7 is provided with a hexagonal slide hole. The four hexagonal slide rods 12 are respectively slidably installed in the four hexagonal slide holes. The side of the two connecting seats 14 is provided with a connecting rotating hole. The two connecting rotating holes are rotatably installed with a driving shaft 15. The two ends of the driving shaft 15 are fixedly installed with an eccentric cam 16. The end of the two hexagonal slide rods 12 is fixedly installed with a resisting shift plate 13. The side of the two resisting shift plates 13 is respectively matched with the circumferential side of the two eccentric cams 16. The two resisting shift plates 13 are respectively installed with an elastic reset element. The elastic reset element comprises a reset spring 17. The two ends of the reset spring 17 are respectively fixedly installed on the side of the installation plate 7 and the resisting shift plate 13. The horizontal screw rod 4 is connected with a synchronous transmission unit for synchronously rotating the driving shaft 15.

[0024] By the above structure, when the control motor 6 is started, the horizontal screw rod 4 is driven to rotate, the horizontal screw rod 4 is driven to rotate, the horizontal moving block 5 is driven to move horizontally, and the laser cutting head 3 is driven to move horizontally, the material placed on the cutting table 1 is moved and cut, in this process, the horizontal screw rod 4 is driven to rotate, the driving shaft 15 is driven to rotate through the synchronous transmission unit, the driving shaft 15 is driven to rotate, and the two eccentric cams 16 are driven to rotate circumferentially. At this time, under the cooperation of the reset spring 17, the eccentric cam 16 is driven to rotate circumferentially, the two resisting shift plates 13 are driven to move back and forth, and the plurality of suction heads 11 are driven to move back and forth through the hexagonal slide rod 12, the communication pipe 10 and the connecting pipe, so that the dust and debris generated during cutting can be sucked into the dust collector 9 for centralized treatment, the dust collection effect is improved, and the practicability is good.

[0025] As shown in Figure 3 The synchronous transmission unit comprises two transmission bevel gears 18. One of the two transmission bevel gears 18 is fixedly installed on the end of the horizontal screw rod 4, and the other transmission bevel gear 18 is fixedly sleeved on the driving shaft 15. The two transmission bevel gears 18 are meshed with each other. The advantage of this setting is that when the horizontal screw rod 4 rotates, one of the transmission bevel gears 18 rotates, the other transmission bevel gear 18 rotates, and the driving shaft 15 is driven to rotate synchronously, thereby achieving the function of synchronous transmission.

[0026] As shown in Figure 4As shown, the bottom of the fixed plate 8 is uniformly and fixedly provided with a plurality of first electric push rods 19, and the output ends of the plurality of first electric push rods 19 are commonly and fixedly provided with an L-shaped pressing plate 20. The advantage of such arrangement is that when the first electric push rod 19 is started, the L-shaped pressing plate 20 will move up and down, thereby tightly fixing the material to be cut on the cutting table 1, and the vertical edge of the L-shaped pressing plate 20 can also block the dust and debris generated by cutting, avoiding the dust and debris from splashing to a far place and being sucked away.

[0027] As shown in the drawings, Figure 1 The bottom of the cutting table 1 is uniformly and fixedly provided with a plurality of supporting legs 21, the bottom end of each supporting leg 21 is provided with a cavity, the top inner wall of each cavity is fixedly provided with a second electric push rod 22, and the output end of each second electric push rod 22 is fixedly provided with a moving wheel 23. The advantage of such arrangement is that when the second electric push rod 22 is started, the moving wheel 23 will move up and down, when the moving wheel 23 is moved upward into the cavity, the device can be stably placed on the ground for use, and when the moving wheel 23 is moved downward to separate the supporting leg 21 from the ground, the device can be directly pushed to adjust the position, which is more practical.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A dust extraction device for a laser cutting machine comprising a cutting table (1), a gantry (2) and a laser cutting head (3), characterised in that: The gantry (2) is provided with a driving assembly for moving the laser cutting head (3) horizontally, two mounting plates (7) are fixedly installed on the two sides of the gantry (2) away from each other, two fixing plates (8) are fixedly installed on the top of the two mounting plates (7) on the same side, a dust collector (9) is fixedly arranged on the top of the two fixing plates (8), a communication pipe (10) is connected to the dust suction port of the two dust collectors (9) through a hose, a plurality of connecting pipes are fixedly arranged on the bottom of the two communication pipes (10), a dust suction head (11) is fixedly arranged on the bottom end of the connecting pipes, a hexagonal slide rod (12) is fixedly installed on the two ends of the two communication pipes (10), a hexagonal slide hole is formed in the side of the four mounting plates (7), and the four hexagonal slide rods (12) are slidably installed in the four hexagonal slide holes.

2. A dust extraction arrangement for a laser cutting machine as claimed in claim 1, wherein: The driving assembly comprises a control motor (6) fixedly arranged on the side of the gantry (2), a strip-shaped sliding groove is formed in the top of the gantry (2), mounting rotating holes are formed in the inner walls of the two sides of the strip-shaped sliding groove away from each other, a horizontal screw rod (4) is rotatably installed in the two mounting rotating holes, a horizontal moving block (5) is threadedly connected to the horizontal screw rod (4), the laser cutting head (3) is fixedly arranged on the bottom of the horizontal moving block (5), the output end of the control motor (6) is fixedly connected with one end of the horizontal screw rod (4), and the other end of the horizontal screw rod (4) is connected with the reciprocating driving assembly.

3. A dust extraction arrangement for a laser cutting machine as claimed in claim 2, wherein: The reciprocating driving assembly comprises two connecting seats (14) fixedly installed on the side of the gantry (2), a connecting rotating hole is formed in the side of each connecting seat (14), a driving rotating shaft (15) is rotatably installed in the two connecting rotating holes, eccentric cams (16) are fixedly installed on the two ends of the driving rotating shaft (15), end portions of the two hexagonal slide rods (12) are fixedly installed with abutting displacement plates (13), the side of each abutting displacement plate (13) is in abutment with the circumferential side of the corresponding eccentric cam (16), and elastic return elements are installed on the two abutting displacement plates (13).

4. A dust extraction arrangement for a laser cutting machine as claimed in claim 3, wherein: The elastic return element comprises a return spring (17), and the two ends of the return spring (17) are fixedly installed on the sides of the mounting plate (7) and the abutting displacement plate (13) close to each other.

5. A dust extraction arrangement for a laser cutting machine as claimed in claim 3, wherein: The synchronous transmission unit comprises two transmission bevel gears (18), one of the transmission bevel gears (18) is fixedly installed on the end of the horizontal screw rod (4), the other transmission bevel gear (18) is fixedly sleeved on the driving rotating shaft (15), and the two transmission bevel gears (18) are in meshing arrangement.

6. A dust extraction arrangement for a laser cutting machine as claimed in claim 1, wherein: The bottom of the fixed plate (8) is uniformly provided with a plurality of first electric push rods (19), and the output ends of the plurality of first electric push rods (19) are fixedly provided with an L-shaped pressing plate (20).

7. The dust extraction device of a laser cutting machine according to claim 1, characterized in that: The bottom of the cutting table (1) is uniformly provided with a plurality of supporting legs (21), the bottom of each supporting leg (21) is provided with a cavity, the top inner wall of each cavity is fixedly provided with a second electric push rod (22), and the output end of each second electric push rod (22) is fixedly provided with a moving wheel (23).

Images